def _createExternalStore(): from toil.jobStores.azureJobStore import _fetchAzureAccountKey blobService = BlobService(account_key=_fetchAzureAccountKey(AzureJobStoreTest.accountName), account_name=AzureJobStoreTest.accountName) containerName = 'import-export-test-%s' % uuid.uuid4() blobService.create_container(containerName) return containerName
def __create_blob_container(self, storage_acc_name): sms = self.__get_service_mgmt_object() # Retrieve the primary key of your storage account # Maybe the secondary key works too? storage_acc_key = None acounts = sms.list_storage_accounts() for account in acounts: if account.service_name == storage_acc_name: storageServiceObj = sms.get_storage_account_keys(account.service_name) storage_acc_key = storageServiceObj.storage_service_keys.primary # Create a container blob_service = BlobService(account_name=storage_acc_name, account_key=storage_acc_key) container_name = namesgenerator.get_random_name() container_name += "container" blob_service.create_container(container_name) # This is the url to the container we just created container_url_template = "http://{}.blob.core.windows.net/{}" container_url = container_url_template.format(storage_acc_name, container_name) #print "Created blob container with URL ",container_url return container_url
def StateThread(): global initializeNow global isPrimary while 1: try: currentHost = socket.gethostname() blob_service = BlobService(account_name=azureStorageAccountName, account_key=azureStorageAccountKey) if (initializeNow == True): initializeNow = False print("Initializing '" + currentHost + "' as primary.") newContents = currentHost blob_service.create_container(container) blob_service.put_block_blob_from_text(container, blob, newContents) while 1: print("Downloading current state.") currentContents = blob_service.get_blob_to_text(container, blob) if (currentContents==currentHost): isPrimary = True print("isPrimary = True") # we have now received status, if second thread NOT running, start if (t2.isAlive() == False): t2.start() elif (currentContents!=currentHost and currentContents.count>0): isPrimary = False print("isPrimary = False") # we have now received status, if second thread NOT running, start if (t2.isAlive() == False): t2.start() sleep(.1) except Exception as e: print ("Error in MainStateThread: " + e)
def __get_available_storage_account_and_container(self, hackathon_id): """ Get available storage account and container :param hackathon_id: the id of hackathon :type hackathon_id: integer :return: if there is available storage account and container, then return (True, storage account name, container name). Otherwise, return (False, None, None) :rtype: 3-element tuple: (bool, str|unicode, str|unicode) """ container_name = self.util.safe_get_config( 'dockerhostserver.azure.container', 'dockerhostprivatecontainer') sms = self.__get_sms_object(hackathon_id) if sms is None: self.log.error( 'Something wrong with Azure account of Hackathon:%d' % hackathon_id) return False, None, None storage_accounts = sms.list_storage_accounts() # check storage account one by one, return True once find a qualified one for storage in storage_accounts.storage_services: try: storage_response = sms.get_storage_account_keys( storage.service_name) except Exception as e: self.log.error( 'Encounter an error when checking storage_account:%s ' % storage.service_name) self.log.error(e) continue blob_service = BlobService( account_name=storage.service_name, account_key=storage_response.storage_service_keys.primary, host_base=self.util.safe_get_config( 'dockerhostserver.storage.host_base', '.blob.core.chinacloudapi.cn')) try: blob_service.get_container_metadata(container_name) return True, storage.service_name, container_name except Exception as e: if e.message != AzureApiExceptionMessage.CONTAINER_NOT_FOUND: self.log.error( 'Encounter an error when checking container:%s ' % container_name) self.log.error(e) continue try: blob_service.create_container( container_name=container_name, x_ms_blob_public_access='container') return True, storage.service_name, container_name except Exception as e: self.log.error( 'Encounter an error when creating container:%s ' % container_name) self.log.error(e) return False, None, None
def _createExternalStore(self): from toil.jobStores.azureJobStore import _fetchAzureAccountKey from azure.storage.blob import BlobService blobService = BlobService(account_key=_fetchAzureAccountKey(self.accountName), account_name=self.accountName) containerName = 'import-export-test-%s' % uuid.uuid4() blobService.create_container(containerName) return containerName
class AzureStorage(Storage): account_name = settings.AZURE_ACCOUNT_NAME account_key = settings.AZURE_ACCOUNT_KEY azure_container = settings.AZURE_CONTAINER def __init__(self, *args, **kwargs): super(AzureStorage, self).__init__(*args, **kwargs) self._connection = None @property def connection(self): if self._connection is None: # Create connection self._connection = BlobService(self.account_name, self.account_key) # Create container if needed containers = [c for c in self._connection.list_containers(prefix=self.azure_container) if c.name == self.azure_container ] if len(containers) == 0: self._connection.create_container(self.azure_container, {'origin': 'created by Django web app'}, fail_on_exist=True) return self._connection def _open(self, name, mode="rb"): stream = SimpleUploadedFile(name, None) self.connection.get_blob_to_file(self.azure_container, name, stream) stream.seek(0) return stream def exists(self, name): try: self.connection.get_blob_properties(self.azure_container, name) except AzureMissingResourceHttpError: return False else: return True def delete(self, name): self.connection.delete_blob(self.azure_container, name) def size(self, name): properties = self.connection.get_blob_properties(self.azure_container, name) return properties["content-length"] def _save(self, name, content): self.connection.put_block_blob_from_file(self.azure_container, name, content) return name def url(self, name): ap = AccessPolicy(expiry=(timezone.datetime.utcnow() + timezone.timedelta(seconds=600)).strftime('%Y-%m-%dT%H:%M:%SZ'), \ start=(timezone.datetime.utcnow() + timezone.timedelta(seconds=-600)).strftime('%Y-%m-%dT%H:%M:%SZ'), \ permission='r') sap = SharedAccessPolicy(ap) sas = SharedAccessSignature(self.account_name, self.account_key) url = sas.generate_signed_query_string(path=self.azure_container + '/' + name, resource_type='b', shared_access_policy=sap) return self.connection.make_blob_url(self.azure_container, name) + "?" + url
class _BlobStorageFileHandler(object): def __init__(self, account_name=None, account_key=None, protocol='https', container='logs', zip_compression=False, max_connections=1, max_retries=5, retry_wait=1.0): self.service = BlobService(account_name, account_key, protocol) self.container_created = False hostname = gethostname() self.meta = { 'hostname': hostname.replace('_', '-'), 'process': os.getpid() } self.container = (container % self.meta).lower() self.meta['hostname'] = hostname self.zip_compression = zip_compression self.max_connections = max_connections self.max_retries = max_retries self.retry_wait = retry_wait def put_file_into_storage(self, dirName, fileName): """ Ship the outdated log file to the specified blob container. """ if not self.container_created: self.service.create_container(self.container) self.container_created = True fd, tmpfile_path = None, '' try: file_path = os.path.join(dirName, fileName) if self.zip_compression: suffix, content_type = '.zip', 'application/zip' fd, tmpfile_path = mkstemp(suffix=suffix) with os.fdopen(fd, 'wb') as f: with ZipFile(f, 'w', ZIP_DEFLATED) as z: z.write(file_path, arcname=fileName) file_path = tmpfile_path else: suffix, content_type = '', 'text/plain' self.service.put_block_blob_from_path( self.container, fileName + suffix, file_path, x_ms_blob_content_type=content_type, max_connections=self.max_connections, max_retries=self.max_retries, retry_wait=self.retry_wait) finally: if self.zip_compression and fd: os.remove(tmpfile_path)
class azure_storage_writer (object): """storage operation wrapper, desiged for writing logs to storage""" def __init__(self, account_name, account_key, container, prefix): self._blob = BlobService(account_name=account_name, account_key=account_key) self._cur_path = None self._buf = io.StringIO() self._prefix = prefix self._container = container self._blob.create_container(container) self._logger = create_timed_rotating_log() def write_log(self, entity): path = self._get_path(entity[0]) if (self._cur_path == None): self._cur_path = path elif(self._cur_path != path): self._dump_buf_to_storage() self._buf.close() self._buf = io.StringIO() self._cur_path = path self._buf.write(entity[1]) self._buf.write("\n") def close(self): if (self._cur_path != None): self._dump_buf_to_storage() self._buf.close() def _dump_buf_to_storage(self): self._logger.info("Begin dump to azure blob") loop = 0; while True: try: self._blob.put_block_blob_from_text(self._container,self._cur_path, self._buf.getvalue()) break except AzureHttpError as e: self._logger.warn("Hit an AzureHttpError " + str(e)) self._logger.warn("Retry times: {0}".format(loop)) loop = loop + 1 if loop >= 3: raise e except Exception as e: self._logger.warn("Hit an Exception " + str(e)) raise e self._logger.info("Dump to azure blob succeeded.") def _get_path(self, timestamp): #timestamp = int(timestamp) d = datetime.fromtimestamp(int(timestamp)) part = str.format("logs-part-{}.txt", d.minute // 5) path_str = d.strftime('%Y-%m-%d/%H') return str.format("{}/{}/{}", self._prefix, path_str, part)
class _BlobStorageFileHandler(object): def __init__(self, account_name=None, account_key=None, protocol='https', container='logs', zip_compression=False, max_connections=1, max_retries=5, retry_wait=1.0): self.service = BlobService(account_name, account_key, protocol) self.container_created = False hostname = gethostname() self.meta = {'hostname': hostname.replace('_', '-'), 'process': os.getpid()} self.container = (container % self.meta).lower() self.meta['hostname'] = hostname self.zip_compression = zip_compression self.max_connections = max_connections self.max_retries = max_retries self.retry_wait = retry_wait def put_file_into_storage(self, dirName, fileName): """ Ship the outdated log file to the specified blob container. """ if not self.container_created: self.service.create_container(self.container) self.container_created = True fd, tmpfile_path = None, '' try: file_path = os.path.join(dirName, fileName) if self.zip_compression: suffix, content_type = '.zip', 'application/zip' fd, tmpfile_path = mkstemp(suffix=suffix) with os.fdopen(fd, 'wb') as f: with ZipFile(f, 'w', ZIP_DEFLATED) as z: z.write(file_path, arcname=fileName) file_path = tmpfile_path else: suffix, content_type = '', 'text/plain' self.service.put_block_blob_from_path(self.container, fileName + suffix, file_path, x_ms_blob_content_type=content_type, max_connections=self.max_connections, max_retries=self.max_retries, retry_wait=self.retry_wait) finally: if self.zip_compression and fd: os.remove(tmpfile_path)
def main(): service = BlobService(settings.STORAGE_ACCOUNT_NAME, settings.STORAGE_ACCOUNT_KEY) service.create_container(CONTAINER_NAME) process(service, LOCAL_BLOCK_BLOB_FILES, CONNECTION_COUNTS, is_page_blob=False) process(service, LOCAL_PAGE_BLOB_FILES, CONNECTION_COUNTS, is_page_blob=True)
def prepare_storage(settings): default_storage_account_name = settings["DEFAULT_STORAGE_ACCOUNT_NAME"] storage_access_key = settings["STORAGE_ACCESS_KEY"] blob_service = BlobService(default_storage_account_name, storage_access_key) blob_service.create_container('bosh') blob_service.create_container(container_name='stemcell', x_ms_blob_public_access='blob') # Prepare the table for storing meta datas of storage account and stemcells table_service = TableService(default_storage_account_name, storage_access_key) table_service.create_table('stemcells')
def prepare_storage(settings): default_storage_account_name = settings["DEFAULT_STORAGE_ACCOUNT_NAME"] storage_access_key = settings["STORAGE_ACCESS_KEY"] blob_service = BlobService(default_storage_account_name, storage_access_key) blob_service.create_container('bosh') blob_service.create_container( container_name='stemcell', x_ms_blob_public_access='blob' ) # Prepare the table for storing meta datas of storage account and stemcells table_service = TableService(default_storage_account_name, storage_access_key) table_service.create_table('stemcells')
def main(account_name, account_key): sc = SparkContext() sqlContext = SQLContext(sc) patient_records_container = 'patientrecords' glucose_levels_container = 'glucoselevelsaggs' preds_container = 'predictions' blob_service = BlobService(account_name=account_name, account_key=account_key) blob_service.create_container(preds_container) day_to_predict = get_most_recent_date(blob_service, glucose_levels_container) df = get_df_from_blob(blob_service, glucose_levels_container, patient_records_container, day_to_predict) project_path = 'wasb://model@{}.blob.core.windows.net/{}' si_pipe_model = PipelineModel.read().load(path=project_path.format(account_name, 'si_pipe_model')) oh_pipe_model = PipelineModel.read().load(path=project_path.format(account_name, 'oh_pipe_model')) model = RandomForestClassificationModel.read().load(path=project_path.format(account_name, 'model')) df_spark = sqlContext.createDataFrame(df) df_preds = si_pipe_model.transform(df_spark) df_preds = oh_pipe_model.transform(df_preds) num_var_names = ['time_in_hospital', 'num_lab_procedures', 'num_procedures', 'num_medications', 'number_outpatient', 'number_emergency', 'number_inpatient', 'diag_1', 'diag_2', 'diag_3', 'number_diagnoses', 'glucose_min', 'glucose_max', 'glucose_mean', 'glucose_var'] cat_var_names = ['race', 'gender', 'age', 'weight', 'admission_type_id', 'discharge_disposition_id', 'admission_source_id', 'payer_code', 'medical_specialty', 'max_glu_serum', 'A1Cresult', 'metformin', 'repaglinide', 'nateglinide', 'chlorpropamide', 'glimepiride', 'acetohexamide', 'glipizide', 'glyburide', 'tolbutamide', 'pioglitazone', 'rosiglitazone', 'acarbose', 'miglitol', 'troglitazone', 'tolazamide', 'insulin', 'glyburide-metformin', 'glipizide-metformin', 'glimepiride-pioglitazone', 'metformin-rosiglitazone', 'metformin-pioglitazone', 'change', 'diabetesMed', 'diag_1_missing', 'diag_2_missing', 'diag_3_missing', 'race_missing', 'weight_missing', 'payer_code_missing', 'medical_specialty_missing'] va = VectorAssembler(inputCols=(num_var_names + [c + "__encoded__" for c in cat_var_names]), outputCol='features') df_preds = va.transform(df_preds).select('features') df_preds = model.transform(df_preds) df_preds_pandas = df_preds.toPandas() df_preds_pandas = pd.concat([df[['patient_nbr', 'discharge_date']], df_preds_pandas['probability'].map(lambda x: x[1])], axis=1) # Save the predictions blob_service.put_block_blob_from_text(blob_name='-'.join(str(day_to_predict).split('/')) + '.csv', container_name=preds_container, text=df_preds_pandas.to_csv(index=False)) return
def connect(config=False): import lib.misc as misc from azure.storage.blob import BlobService global blob_service, container # Connect to the cloud service. if not config: config = misc.config['_private'] container = 'streams' if not 'azure' in config: return None, None if not blob_service: blob_service = BlobService(config['azure']['storage_account_name'], config['azure']['primary_access_key']) blob_service.create_container(container, x_ms_blob_public_access='container') return blob_service, container
def __get_available_storage_account_and_container(self, hackathon_id): """ Get available storage account and container :param hackathon_id: the id of hackathon :type hackathon_id: integer :return: if there is available storage account and container, then return (True, storage account name, container name). Otherwise, return (False, None, None) :rtype: 3-element tuple: (bool, str|unicode, str|unicode) """ container_name = self.util.safe_get_config('dockerhostserver.azure.container', 'dockerhostprivatecontainer') sms = self.__get_sms_object(hackathon_id) if sms is None: self.log.error('Something wrong with Azure account of Hackathon:%d' % hackathon_id) return False, None, None storage_accounts = sms.list_storage_accounts() # check storage account one by one, return True once find a qualified one for storage in storage_accounts.storage_services: try: storage_response = sms.get_storage_account_keys(storage.service_name) except Exception as e: self.log.error('Encounter an error when checking storage_account:%s ' % storage.service_name) self.log.error(e) continue blob_service = BlobService(account_name=storage.service_name, account_key=storage_response.storage_service_keys.primary, host_base=self.util.safe_get_config('dockerhostserver.storage.host_base', '.blob.core.chinacloudapi.cn')) try: blob_service.get_container_metadata(container_name) return True, storage.service_name, container_name except Exception as e: if e.message != AzureApiExceptionMessage.CONTAINER_NOT_FOUND: self.log.error('Encounter an error when checking container:%s ' % container_name) self.log.error(e) continue try: blob_service.create_container(container_name=container_name, x_ms_blob_public_access='container') return True, storage.service_name, container_name except Exception as e: self.log.error('Encounter an error when creating container:%s ' % container_name) self.log.error(e) return False, None, None
class BlobSaver(Saver): def __init__(self, account, key, container, prefix): self.block_blob_service = BlobService(account_name=account, account_key=key) self.container = container self.prefix = prefix self.block_blob_service.create_container(self.container) def send_data(self, name, data): counter = BLOB_RETRIES while counter: try: self.block_blob_service.put_block_blob_from_bytes( self.container, os.path.join(self.prefix, name), data) except AzureException as azure_exc: counter -= 1 else: return raise RuntimeError("Couldn't send to blob." % (azure_exc.args[0]))
class AzureJobStore(AbstractJobStore): """ A job store that uses Azure's blob store for file storage and Table Service to store job info with strong consistency. """ # Dots in container names should be avoided because container names are used in HTTPS bucket # URLs where the may interfere with the certificate common name. We use a double underscore # as a separator instead. # containerNameRe = re.compile(r'^[a-z0-9](-?[a-z0-9]+)+[a-z0-9]$') # See https://msdn.microsoft.com/en-us/library/azure/dd135715.aspx # minContainerNameLen = 3 maxContainerNameLen = 63 maxNameLen = 10 nameSeparator = 'xx' # Table names must be alphanumeric # Length of a jobID - used to test if a stats file has been read already or not jobIDLength = len(str(uuid.uuid4())) def __init__(self, locator, jobChunkSize=maxAzureTablePropertySize): super(AzureJobStore, self).__init__() accountName, namePrefix = locator.split(':', 1) if '--' in namePrefix: raise ValueError("Invalid name prefix '%s'. Name prefixes may not contain %s." % (namePrefix, self.nameSeparator)) if not self.containerNameRe.match(namePrefix): raise ValueError("Invalid name prefix '%s'. Name prefixes must contain only digits, " "hyphens or lower-case letters and must not start or end in a " "hyphen." % namePrefix) # Reserve 13 for separator and suffix if len(namePrefix) > self.maxContainerNameLen - self.maxNameLen - len(self.nameSeparator): raise ValueError(("Invalid name prefix '%s'. Name prefixes may not be longer than 50 " "characters." % namePrefix)) if '--' in namePrefix: raise ValueError("Invalid name prefix '%s'. Name prefixes may not contain " "%s." % (namePrefix, self.nameSeparator)) self.locator = locator self.jobChunkSize = jobChunkSize self.accountKey = _fetchAzureAccountKey(accountName) self.accountName = accountName # Table names have strict requirements in Azure self.namePrefix = self._sanitizeTableName(namePrefix) # These are the main API entry points. self.tableService = TableService(account_key=self.accountKey, account_name=accountName) self.blobService = BlobService(account_key=self.accountKey, account_name=accountName) # Serialized jobs table self.jobItems = None # Job<->file mapping table self.jobFileIDs = None # Container for all shared and unshared files self.files = None # Stats and logging strings self.statsFiles = None # File IDs that contain stats and logging strings self.statsFileIDs = None @property def keyPath(self): return self.config.cseKey def initialize(self, config): if self._jobStoreExists(): raise JobStoreExistsException(self.locator) logger.debug("Creating job store at '%s'" % self.locator) self._bind(create=True) super(AzureJobStore, self).initialize(config) def resume(self): if not self._jobStoreExists(): raise NoSuchJobStoreException(self.locator) logger.debug("Using existing job store at '%s'" % self.locator) self._bind(create=False) super(AzureJobStore, self).resume() def destroy(self): self._bind() for name in 'jobItems', 'jobFileIDs', 'files', 'statsFiles', 'statsFileIDs': resource = getattr(self, name) if resource is not None: if isinstance(resource, AzureTable): resource.delete_table() elif isinstance(resource, AzureBlobContainer): resource.delete_container() else: assert False setattr(self, name, None) def _jobStoreExists(self): """ Checks if job store exists by querying the existence of the statsFileIDs table. Note that this is the last component that is deleted in :meth:`.destroy`. """ for attempt in retry_azure(): with attempt: try: table = self.tableService.query_tables(table_name=self._qualify('statsFileIDs')) except AzureMissingResourceHttpError as e: if e.status_code == 404: return False else: raise else: return table is not None def _bind(self, create=False): table = self._bindTable container = self._bindContainer for name, binder in (('jobItems', table), ('jobFileIDs', table), ('files', container), ('statsFiles', container), ('statsFileIDs', table)): if getattr(self, name) is None: setattr(self, name, binder(self._qualify(name), create=create)) def _qualify(self, name): return self.namePrefix + self.nameSeparator + name.lower() def jobs(self): # How many jobs have we done? total_processed = 0 for jobEntity in self.jobItems.query_entities_auto(): # Process the items in the page yield AzureJob.fromEntity(jobEntity) total_processed += 1 if total_processed % 1000 == 0: # Produce some feedback for the user, because this can take # a long time on, for example, Azure logger.debug("Processed %d total jobs" % total_processed) logger.debug("Processed %d total jobs" % total_processed) def create(self, jobNode): jobStoreID = self._newJobID() job = AzureJob.fromJobNode(jobNode, jobStoreID, self._defaultTryCount()) entity = job.toItem(chunkSize=self.jobChunkSize) entity['RowKey'] = EntityProperty('Edm.String', jobStoreID) self.jobItems.insert_entity(entity=entity) return job def exists(self, jobStoreID): if self.jobItems.get_entity(row_key=bytes(jobStoreID)) is None: return False return True def load(self, jobStoreID): jobEntity = self.jobItems.get_entity(row_key=bytes(jobStoreID)) if jobEntity is None: raise NoSuchJobException(jobStoreID) return AzureJob.fromEntity(jobEntity) def update(self, job): self.jobItems.update_entity(row_key=bytes(job.jobStoreID), entity=job.toItem(chunkSize=self.jobChunkSize)) def delete(self, jobStoreID): try: self.jobItems.delete_entity(row_key=bytes(jobStoreID)) except AzureMissingResourceHttpError: # Job deletion is idempotent, and this job has been deleted already return filterString = "PartitionKey eq '%s'" % jobStoreID for fileEntity in self.jobFileIDs.query_entities(filter=filterString): jobStoreFileID = fileEntity.RowKey self.deleteFile(jobStoreFileID) def getEnv(self): return dict(AZURE_ACCOUNT_KEY=self.accountKey) class BlobInfo(namedtuple('BlobInfo', ('account', 'container', 'name'))): @property @memoize def service(self): return BlobService(account_name=self.account, account_key=_fetchAzureAccountKey(self.account)) @classmethod def getSize(cls, url): blob = cls._parseWasbUrl(url) blobProps = blob.service.get_blob_properties(blob.container, blob.name) return int(blobProps['content-length']) @classmethod def _readFromUrl(cls, url, writable): blob = cls._parseWasbUrl(url) for attempt in retry_azure(): with attempt: blob.service.get_blob_to_file(container_name=blob.container, blob_name=blob.name, stream=writable) @classmethod def _writeToUrl(cls, readable, url): blob = cls._parseWasbUrl(url) blob.service.put_block_blob_from_file(container_name=blob.container, blob_name=blob.name, stream=readable) @classmethod def _parseWasbUrl(cls, url): """ :param urlparse.ParseResult url: x :rtype: AzureJobStore.BlobInfo """ assert url.scheme in ('wasb', 'wasbs') try: container, account = url.netloc.split('@') except ValueError: raise InvalidImportExportUrlException(url) suffix = '.blob.core.windows.net' if account.endswith(suffix): account = account[:-len(suffix)] else: raise InvalidImportExportUrlException(url) assert url.path[0] == '/' return cls.BlobInfo(account=account, container=container, name=url.path[1:]) @classmethod def _supportsUrl(cls, url, export=False): return url.scheme.lower() in ('wasb', 'wasbs') def writeFile(self, localFilePath, jobStoreID=None): jobStoreFileID = self._newFileID() self.updateFile(jobStoreFileID, localFilePath) self._associateFileWithJob(jobStoreFileID, jobStoreID) return jobStoreFileID def updateFile(self, jobStoreFileID, localFilePath): with open(localFilePath) as read_fd: with self._uploadStream(jobStoreFileID, self.files) as write_fd: while True: buf = read_fd.read(self._maxAzureBlockBytes) write_fd.write(buf) if len(buf) == 0: break def readFile(self, jobStoreFileID, localFilePath): try: with self._downloadStream(jobStoreFileID, self.files) as read_fd: with open(localFilePath, 'w') as write_fd: while True: buf = read_fd.read(self._maxAzureBlockBytes) write_fd.write(buf) if not buf: break except AzureMissingResourceHttpError: raise NoSuchFileException(jobStoreFileID) def deleteFile(self, jobStoreFileID): try: self.files.delete_blob(blob_name=bytes(jobStoreFileID)) self._dissociateFileFromJob(jobStoreFileID) except AzureMissingResourceHttpError: pass def fileExists(self, jobStoreFileID): # As Azure doesn't have a blob_exists method (at least in the # python API) we just try to download the metadata, and hope # the metadata is small so the call will be fast. try: self.files.get_blob_metadata(blob_name=bytes(jobStoreFileID)) return True except AzureMissingResourceHttpError: return False @contextmanager def writeFileStream(self, jobStoreID=None): # TODO: this (and all stream methods) should probably use the # Append Blob type, but that is not currently supported by the # Azure Python API. jobStoreFileID = self._newFileID() with self._uploadStream(jobStoreFileID, self.files) as fd: yield fd, jobStoreFileID self._associateFileWithJob(jobStoreFileID, jobStoreID) @contextmanager def updateFileStream(self, jobStoreFileID): with self._uploadStream(jobStoreFileID, self.files, checkForModification=True) as fd: yield fd def getEmptyFileStoreID(self, jobStoreID=None): jobStoreFileID = self._newFileID() with self._uploadStream(jobStoreFileID, self.files) as _: pass self._associateFileWithJob(jobStoreFileID, jobStoreID) return jobStoreFileID @contextmanager def readFileStream(self, jobStoreFileID): if not self.fileExists(jobStoreFileID): raise NoSuchFileException(jobStoreFileID) with self._downloadStream(jobStoreFileID, self.files) as fd: yield fd @contextmanager def writeSharedFileStream(self, sharedFileName, isProtected=None): assert self._validateSharedFileName(sharedFileName) sharedFileID = self._newFileID(sharedFileName) with self._uploadStream(sharedFileID, self.files, encrypted=isProtected) as fd: yield fd @contextmanager def readSharedFileStream(self, sharedFileName): assert self._validateSharedFileName(sharedFileName) sharedFileID = self._newFileID(sharedFileName) if not self.fileExists(sharedFileID): raise NoSuchFileException(sharedFileID) with self._downloadStream(sharedFileID, self.files) as fd: yield fd def writeStatsAndLogging(self, statsAndLoggingString): # TODO: would be a great use case for the append blobs, once implemented in the Azure SDK jobStoreFileID = self._newFileID() encrypted = self.keyPath is not None if encrypted: statsAndLoggingString = encryption.encrypt(statsAndLoggingString, self.keyPath) self.statsFiles.put_block_blob_from_text(blob_name=bytes(jobStoreFileID), text=statsAndLoggingString, x_ms_meta_name_values=dict( encrypted=str(encrypted))) self.statsFileIDs.insert_entity(entity={'RowKey': jobStoreFileID}) def readStatsAndLogging(self, callback, readAll=False): suffix = '_old' numStatsFiles = 0 for attempt in retry_azure(): with attempt: for entity in self.statsFileIDs.query_entities(): jobStoreFileID = entity.RowKey hasBeenRead = len(jobStoreFileID) > self.jobIDLength if not hasBeenRead: with self._downloadStream(jobStoreFileID, self.statsFiles) as fd: callback(fd) # Mark this entity as read by appending the suffix self.statsFileIDs.insert_entity(entity={'RowKey': jobStoreFileID + suffix}) self.statsFileIDs.delete_entity(row_key=bytes(jobStoreFileID)) numStatsFiles += 1 elif readAll: # Strip the suffix to get the original ID jobStoreFileID = jobStoreFileID[:-len(suffix)] with self._downloadStream(jobStoreFileID, self.statsFiles) as fd: callback(fd) numStatsFiles += 1 return numStatsFiles _azureTimeFormat = "%Y-%m-%dT%H:%M:%SZ" def getPublicUrl(self, jobStoreFileID): try: self.files.get_blob_properties(blob_name=bytes(jobStoreFileID)) except AzureMissingResourceHttpError: raise NoSuchFileException(jobStoreFileID) # Compensate of a little bit of clock skew startTimeStr = (datetime.utcnow() - timedelta(minutes=5)).strftime(self._azureTimeFormat) endTime = datetime.utcnow() + self.publicUrlExpiration endTimeStr = endTime.strftime(self._azureTimeFormat) sap = SharedAccessPolicy(AccessPolicy(startTimeStr, endTimeStr, BlobSharedAccessPermissions.READ)) sas_token = self.files.generate_shared_access_signature(blob_name=bytes(jobStoreFileID), shared_access_policy=sap) return self.files.make_blob_url(blob_name=bytes(jobStoreFileID)) + '?' + sas_token def getSharedPublicUrl(self, sharedFileName): jobStoreFileID = self._newFileID(sharedFileName) return self.getPublicUrl(jobStoreFileID) def _newJobID(self): # raw UUIDs don't work for Azure property names because the '-' character is disallowed. return str(uuid.uuid4()).replace('-', '_') # A dummy job ID under which all shared files are stored. sharedFileJobID = uuid.UUID('891f7db6-e4d9-4221-a58e-ab6cc4395f94') def _newFileID(self, sharedFileName=None): if sharedFileName is None: ret = bytes(uuid.uuid4()) else: ret = bytes(uuid.uuid5(self.sharedFileJobID, bytes(sharedFileName))) return ret.replace('-', '_') def _associateFileWithJob(self, jobStoreFileID, jobStoreID=None): if jobStoreID is not None: self.jobFileIDs.insert_entity(entity={'PartitionKey': EntityProperty('Edm.String', jobStoreID), 'RowKey': EntityProperty('Edm.String', jobStoreFileID)}) def _dissociateFileFromJob(self, jobStoreFileID): entities = self.jobFileIDs.query_entities(filter="RowKey eq '%s'" % jobStoreFileID) if entities: assert len(entities) == 1 jobStoreID = entities[0].PartitionKey self.jobFileIDs.delete_entity(partition_key=bytes(jobStoreID), row_key=bytes(jobStoreFileID)) def _bindTable(self, tableName, create=False): for attempt in retry_azure(): with attempt: try: tables = self.tableService.query_tables(table_name=tableName) except AzureMissingResourceHttpError as e: if e.status_code != 404: raise else: if tables: assert tables[0].name == tableName return AzureTable(self.tableService, tableName) if create: self.tableService.create_table(tableName) return AzureTable(self.tableService, tableName) else: return None def _bindContainer(self, containerName, create=False): for attempt in retry_azure(): with attempt: try: self.blobService.get_container_properties(containerName) except AzureMissingResourceHttpError as e: if e.status_code == 404: if create: self.blobService.create_container(containerName) else: return None else: raise return AzureBlobContainer(self.blobService, containerName) def _sanitizeTableName(self, tableName): """ Azure table names must start with a letter and be alphanumeric. This will never cause a collision if uuids are used, but otherwise may not be safe. """ return 'a' + ''.join([x for x in tableName if x.isalnum()]) # Maximum bytes that can be in any block of an Azure block blob # https://github.com/Azure/azure-storage-python/blob/4c7666e05a9556c10154508335738ee44d7cb104/azure/storage/blob/blobservice.py#L106 _maxAzureBlockBytes = 4 * 1024 * 1024 @contextmanager def _uploadStream(self, jobStoreFileID, container, checkForModification=False, encrypted=None): """ :param encrypted: True to enforce encryption (will raise exception unless key is set), False to prevent encryption or None to encrypt if key is set. """ if checkForModification: try: expectedVersion = container.get_blob_properties(blob_name=bytes(jobStoreFileID))['etag'] except AzureMissingResourceHttpError: expectedVersion = None if encrypted is None: encrypted = self.keyPath is not None elif encrypted: if self.keyPath is None: raise RuntimeError('Encryption requested but no key was provided') maxBlockSize = self._maxAzureBlockBytes if encrypted: # There is a small overhead for encrypted data. maxBlockSize -= encryption.overhead store = self class UploadPipe(WritablePipe): def readFrom(self, readable): blockIDs = [] try: while True: buf = readable.read(maxBlockSize) if len(buf) == 0: # We're safe to break here even if we never read anything, since # putting an empty block list creates an empty blob. break if encrypted: buf = encryption.encrypt(buf, store.keyPath) blockID = store._newFileID() container.put_block(blob_name=bytes(jobStoreFileID), block=buf, blockid=blockID) blockIDs.append(blockID) except: with panic(log=logger): # This is guaranteed to delete any uncommitted blocks. container.delete_blob(blob_name=bytes(jobStoreFileID)) if checkForModification and expectedVersion is not None: # Acquire a (60-second) write lock, leaseID = container.lease_blob(blob_name=bytes(jobStoreFileID), x_ms_lease_action='acquire')['x-ms-lease-id'] # check for modification, blobProperties = container.get_blob_properties(blob_name=bytes(jobStoreFileID)) if blobProperties['etag'] != expectedVersion: container.lease_blob(blob_name=bytes(jobStoreFileID), x_ms_lease_action='release', x_ms_lease_id=leaseID) raise ConcurrentFileModificationException(jobStoreFileID) # commit the file, container.put_block_list(blob_name=bytes(jobStoreFileID), block_list=blockIDs, x_ms_lease_id=leaseID, x_ms_meta_name_values=dict( encrypted=str(encrypted))) # then release the lock. container.lease_blob(blob_name=bytes(jobStoreFileID), x_ms_lease_action='release', x_ms_lease_id=leaseID) else: # No need to check for modification, just blindly write over whatever # was there. container.put_block_list(blob_name=bytes(jobStoreFileID), block_list=blockIDs, x_ms_meta_name_values=dict(encrypted=str(encrypted))) with UploadPipe() as writable: yield writable @contextmanager def _downloadStream(self, jobStoreFileID, container): # The reason this is not in the writer is so we catch non-existant blobs early blobProps = container.get_blob_properties(blob_name=bytes(jobStoreFileID)) encrypted = strict_bool(blobProps['x-ms-meta-encrypted']) if encrypted and self.keyPath is None: raise AssertionError('Content is encrypted but no key was provided.') outer_self = self class DownloadPipe(ReadablePipe): def writeTo(self, writable): chunkStart = 0 fileSize = int(blobProps['Content-Length']) while chunkStart < fileSize: chunkEnd = chunkStart + outer_self._maxAzureBlockBytes - 1 buf = container.get_blob(blob_name=bytes(jobStoreFileID), x_ms_range="bytes=%d-%d" % (chunkStart, chunkEnd)) if encrypted: buf = encryption.decrypt(buf, outer_self.keyPath) writable.write(buf) chunkStart = chunkEnd + 1 with DownloadPipe() as readable: yield readable
filename="/tmp/telegram.log", format='%(asctime)s - %(name)s - %(levelname)s - %(message)s', level=logging.INFO) logger = logging.getLogger(__name__) ACCOUNT = 'msgtest' CONTAINER = 'telegram' blob_service = BlobService( account_name='msgtest', account_key= 'sJQjZXgR/IUH4o4/CmbXue3DGxRgwkzy0SILxJMSgmd26lFCXUdqrtwwjmEPU9CrcIvoJG3yv6L0R55o9BqnXw==' ) blob_service.create_container(CONTAINER, x_ms_blob_public_access='container') def uploadblob(fileidshort, mediaurl): global ACCOUNT fileid = fileidshort + basename(mediaurl) tmppath = '/tmp/' + fileid urlretrieve(mediaurl, tmppath) blob_service.put_block_blob_from_path( CONTAINER, fileid, tmppath, x_ms_blob_content_type=guess_type(tmppath)) return 'https://%s.blob.core.windows.net/%s/%s' % (ACCOUNT, CONTAINER, fileid) def downloadblob(fileid, filename): blob_service.get_blob_to_path(CONTAINER, fileid, filename)
class AzureIOStore(IOStore): """ A class that lets you get input from and send output to Azure Storage. """ def __init__(self, account_name, container_name, name_prefix=""): """ Make a new AzureIOStore that reads from and writes to the given container in the given account, adding the given prefix to keys. All paths will be interpreted as keys or key prefixes. If the name prefix does not end with a trailing slash, and is not empty, one will be added automatically. Account keys are retrieved from the AZURE_ACCOUNT_KEY environment variable or from the ~/.toilAzureCredentials file, as in Toil itself. """ # Make sure azure libraries actually loaded assert (have_azure) self.account_name = account_name self.container_name = container_name self.name_prefix = name_prefix if self.name_prefix != "" and not self.name_prefix.endswith("/"): # Make sure it has the trailing slash required. self.name_prefix += "/" # Sneak into Toil and use the same keys it uses self.account_key = toil.jobStores.azureJobStore._fetchAzureAccountKey( self.account_name) # This will hold out Azure blob store connection self.connection = None def __getstate__(self): """ Return the state to use for pickling. We don't want to try and pickle an open Azure connection. """ return (self.account_name, self.account_key, self.container_name, self.name_prefix) def __setstate__(self, state): """ Set up after unpickling. """ self.account_name = state[0] self.account_key = state[1] self.container_name = state[2] self.name_prefix = state[3] self.connection = None def __connect(self): """ Make sure we have an Azure connection, and set one up if we don't. """ if self.connection is None: RealtimeLogger.debug("Connecting to account {}, using " "container {} and prefix {}".format( self.account_name, self.container_name, self.name_prefix)) # Connect to the blob service where we keep everything self.connection = BlobService(account_name=self.account_name, account_key=self.account_key) @backoff def read_input_file(self, input_path, local_path): """ Get input from Azure. """ self.__connect() RealtimeLogger.debug("Loading {} from AzureIOStore".format(input_path)) # Download the blob. This is known to be synchronous, although it can # call a callback during the process. self.connection.get_blob_to_path(self.container_name, self.name_prefix + input_path, local_path) def list_input_directory(self, input_path, recursive=False, with_times=False): """ Loop over fake /-delimited directories on Azure. The prefix may or may not not have a trailing slash; if not, one will be added automatically. Returns the names of files and fake directories in the given input fake directory, non-recursively. If with_times is specified, will yield (name, time) pairs including modification times as datetime objects. Times on directories are None. """ self.__connect() RealtimeLogger.info( "Enumerating {} from AzureIOStore".format(input_path)) # Work out what the directory name to list is fake_directory = self.name_prefix + input_path if fake_directory != "" and not fake_directory.endswith("/"): # We have a nonempty prefix, and we need to end it with a slash fake_directory += "/" # This will hold the marker that we need to send back to get the next # page, if there is one. See <http://stackoverflow.com/a/24303682> marker = None # This holds the subdirectories we found; we yield each exactly once if # we aren't recursing. subdirectories = set() while True: # Get the results from Azure. We don't use delimiter since Azure # doesn't seem to provide the placeholder entries it's supposed to. result = self.connection.list_blobs(self.container_name, prefix=fake_directory, marker=marker) RealtimeLogger.info("Found {} files".format(len(result))) for blob in result: # Yield each result's blob name, but directory names only once # Drop the common prefix relative_path = blob.name[len(fake_directory):] if (not recursive) and "/" in relative_path: # We found a file in a subdirectory, and we aren't supposed # to be recursing. subdirectory, _ = relative_path.split("/", 1) if subdirectory not in subdirectories: # It's a new subdirectory. Yield and remember it subdirectories.add(subdirectory) if with_times: yield subdirectory, None else: yield subdirectory else: # We found an actual file if with_times: mtime = blob.properties.last_modified if isinstance(mtime, datetime.datetime): # Make sure we're getting proper localized datetimes # from the new Azure Storage API. assert (mtime.tzinfo is not None and mtime.tzinfo.utcoffset(mtime) is not None) else: # Convert mtime from a string as in the old API. mtime = dateutil.parser.parse(mtime).replace( tzinfo=dateutil.tz.tzutc()) yield relative_path, mtime else: yield relative_path # Save the marker marker = result.next_marker if not marker: break @backoff def write_output_file(self, local_path, output_path): """ Write output to Azure. Will create the container if necessary. """ self.__connect() RealtimeLogger.debug("Saving {} to AzureIOStore".format(output_path)) try: # Make the container self.connection.create_container(self.container_name) except azure.WindowsAzureConflictError: # The container probably already exists pass # Upload the blob (synchronously) # TODO: catch no container error here, make the container, and retry self.connection.put_block_blob_from_path( self.container_name, self.name_prefix + output_path, local_path) @backoff def exists(self, path): """ Returns true if the given input or output file exists in Azure already. """ self.__connect() marker = None while True: try: # Make the container self.connection.create_container(self.container_name) except azure.WindowsAzureConflictError: # The container probably already exists pass # Get the results from Azure. result = self.connection.list_blobs(self.container_name, prefix=self.name_prefix + path, marker=marker) for blob in result: # Look at each blob if blob.name == self.name_prefix + path: # Found it return True # Save the marker marker = result.next_marker if not marker: break return False @backoff def get_mtime(self, path): """ Returns the modification time of the given blob if it exists, or None otherwise. """ self.__connect() marker = None while True: # Get the results from Azure. result = self.connection.list_blobs(self.container_name, prefix=self.name_prefix + path, marker=marker) for blob in result: # Look at each blob if blob.name == self.name_prefix + path: # Found it mtime = blob.properties.last_modified if isinstance(mtime, datetime.datetime): # Make sure we're getting proper localized datetimes # from the new Azure Storage API. assert (mtime.tzinfo is not None and mtime.tzinfo.utcoffset(mtime) is not None) else: # Convert mtime from a string as in the old API. mtime = dateutil.parser.parse(mtime).replace( tzinfo=dateutil.tz.tzutc()) return mtime # Save the marker marker = result.next_marker if not marker: break return None @backoff def get_size(self, path): """ Returns the size in bytes of the given blob if it exists, or None otherwise. """ self.__connect() marker = None while True: # Get the results from Azure. result = self.connection.list_blobs(self.container_name, prefix=self.name_prefix + path, marker=marker) for blob in result: # Look at each blob if blob.name == self.name_prefix + path: # Found it size = blob.properties.content_length return size # Save the marker marker = result.next_marker if not marker: break return None
class AzureStorage(Storage): account_name = settings.AZURE_ACCOUNT_NAME account_key = settings.AZURE_ACCOUNT_KEY azure_container = settings.AZURE_CONTAINER def __init__(self, *args, **kwargs): super(AzureStorage, self).__init__(*args, **kwargs) self._connection = None @property def connection(self): if self._connection is None: # Create connection self._connection = BlobService(self.account_name, self.account_key) # Create container if needed containers = [ c for c in self._connection.list_containers( prefix=self.azure_container) if c.name == self.azure_container ] if len(containers) == 0: self._connection.create_container( self.azure_container, {'origin': 'created by Django web app'}, fail_on_exist=True) return self._connection def _open(self, name, mode="rb"): stream = SimpleUploadedFile(name, None) self.connection.get_blob_to_file(self.azure_container, name, stream) stream.seek(0) return stream def exists(self, name): try: self.connection.get_blob_properties(self.azure_container, name) except AzureMissingResourceHttpError: return False else: return True def delete(self, name): self.connection.delete_blob(self.azure_container, name) def size(self, name): properties = self.connection.get_blob_properties( self.azure_container, name) return properties["content-length"] def _save(self, name, content): self.connection.put_block_blob_from_file(self.azure_container, name, content) return name def url(self, name): ap = AccessPolicy(expiry=(timezone.datetime.utcnow() + timezone.timedelta(seconds=600)).strftime('%Y-%m-%dT%H:%M:%SZ'), \ start=(timezone.datetime.utcnow() + timezone.timedelta(seconds=-600)).strftime('%Y-%m-%dT%H:%M:%SZ'), \ permission='r') sap = SharedAccessPolicy(ap) sas = SharedAccessSignature(self.account_name, self.account_key) url = sas.generate_signed_query_string(path=self.azure_container + '/' + name, resource_type='b', shared_access_policy=sap) return self.connection.make_blob_url(self.azure_container, name) + "?" + url
from azure.storage import AccessPolicy, SharedAccessPolicy, SignedIdentifier, SignedIdentifiers from azure.storage.blob import BlobService, ContainerSharedAccessPermissions # The name of the new Shared Access policy policy_name = 'readandlistonly' # The Storage Account Name storage_account_name = 'larryfrstore' storage_account_key = 'Vm7YUAvuKQFjNSv2xY3ckgxwLUMkECUHNFF09lipZY2QxNgTFDHbA7o4U6joHXg+/Wd23sHkukjZUp41siTtwQ==' storage_container_name = 'mycontainer' example_file_path = '..\\sampledata\\sample.log' # Create the blob service, using the name and key for your Azure Storage account blob_service = BlobService(storage_account_name, storage_account_key) # Create the container, if it does not already exist blob_service.create_container(storage_container_name) # Upload an example file to the container blob_service.put_block_blob_from_path( storage_container_name, 'sample.log', example_file_path, ) # Create a new signed identifier (policy) si = SignedIdentifier() # Set the name si.id = policy_name # Set the expiration date si.access_policy.expiry = '2016-01-01' # Set the permissions. Read and List in this example
from azure.storage.blob import BlobService from mimetypes import guess_type ACCOUNT = 'msgtest' CONTAINER = 'telegram' blob_service = BlobService(account_name=ACCOUNT, account_key='sJQjZXgR/IUH4o4/CmbXue3DGxRgwkzy0SILxJMSgmd26lFCXUdqrtwwjmEPU9CrcIvoJG3yv6L0R55o9BqnXw==') blob_service.create_container(CONTAINER, x_ms_blob_public_access='container') def putblob(fileid, filename): global ACCOUNT blob_service.put_block_blob_from_path( CONTAINER, fileid, filename, x_ms_blob_content_type=guess_type(filename) ) return 'https://%s.blob.core.windows.net/%s/%s' %(ACCOUNT, CONTAINER, fileid) putblob('quotes.pkl', 'quotes.pkl') blobs = [] marker = None while True: batch = blob_service.list_blobs(CONTAINER, marker=marker) blobs.extend(batch) if not batch.next_marker:
class Azure(object): ''' A class used to connect to the Azure storage and upload/download files using blob storage ''' def __init__(self, params={}): ''' Constructor for the Azure object ''' if "user" in params: self.user = params["user"] else: self.user = None if "key" in params: self.key = params["key"] else: self.key = None def connect(self, host, port, user, password, secure): ''' Connect to the Azure service with given user and key @param user - username to use to connect to @param key - key to use to connect ''' kwargs = {} err = None if not host is None: kwargs["host_base"] = "." + host if not user is None: kwargs["account_name"] = user elif not self.user is None: kwargs["account_name"] = self.user if not password is None: kwargs["account_key"] = password elif not self.key is None: kwargs["account_key"] = self.key kwargs["protocol"] = "https" if secure else "http" try: self.service = BlobService(**kwargs) except Exception as e: err = e.message self.service = None if self.service is None: raise OsakaException("Failed to connect to Azure:" + ("" if err is None else err)) @classmethod def getSchemes(clazz): ''' Returns a list of schemes this handler handles Note: handling the scheme of another handler produces unknown results @returns list of handled schemes ''' return ["azure", "azures"] def close(self): ''' Close this service ''' pass def put(self, path, url): ''' Put a file up to the cloud @param path - path to upload @param url - path in cloud to upload too ''' if os.path.isdir(path): return walk(self.put, path, url) cont, blob = get_container_and_path(urlparse.urlparse(url).path) self.service.create_container(cont) self.service.put_block_blob_from_path(cont, blob, path) return True def get(self, url, dest): ''' Get file(s) from the cloud @param url - url on cloud to pull down (on cloud) @param dest - dest to download too ''' cont, blob = get_container_and_path(urlparse.urlparse(url).path) for b in self.service.list_blobs(cont, prefix=blob): destination = os.path.join(dest, os.path.relpath( b.name, blob)) if blob != b.name else dest if not os.path.exists(os.path.dirname(destination)): os.mkdir(os.path.dirname(destination)) self.service.get_blob_to_path(cont, b.name, destination) return True def rm(self, url): ''' Remove this url and all children urls @param url - url to remove ''' cont, blob = get_container_and_path(urlparse.urlparse(url).path) for b in self.service.list_blobs(cont, prefix=blob): self.service.delete_blob(cont, b.name) return True
cert_format = 'pfx' cert_password = '' cert_res = sms.add_service_certificate(service_name=hosted_service_name, data=cert_data, certificate_format=cert_format, password=cert_password) operation_result = sms.get_operation_status(cert_res.request_id) # Create a container blob_service = BlobService(account_name=storage_acc_name, account_key=storage_acc_key) container_name = "vm-container" result = blob_service.create_container(container_name) container_url_template = "http://{}.blob.core.windows.net/{}" container_url = container_url_template.format(storage_acc_name, container_name) image_name = "b39f27a8b8c64d52b05eac6a62ebad85__Ubuntu-14_04-LTS-amd64-server-20140414-en-us-30GB" blob_url = container_url + "/ubuntu.vhd" os_hd = OSVirtualHardDisk(image_name, blob_url) vm_name = name_generator() linux_config = LinuxConfigurationSet(vm_name, 'rohan', 'qwerty12#', True)
file.seek(0) path = save_file(file, filename_md5) photo = Photo(creator_id = user.id, path = path) db.session.add(photo) db.session.commit() return "{0}".format(photo.id) @app.route("/api/<session_key>/photo/<int:photo_id>", methods = ['GET']) def photo_get(session_key, photo_id): session = Session.query.filter_by(session_key = session_key).first() if session is not None: user = User.query.filter_by(id = session.user_id).first() else: return "Error: Not Logged In." photo = Photo.query.filter_by(id = photo_id).first() if photo is not None: return get_file(photo.path) else: return "Error: Photo not found." if __name__ == "__main__": if len(sys.argv) > 1 and sys.argv[1] == 'create_db': db.create_all() elif len(sys.argv) > 1 and sys.argv[1] == 'create_storage': blob_service.create_container('photos') else: app.run(host = '0.0.0.0', port=5000, debug = True)
PASSWORD = '******' DB_DRIVER = 'SQL Server Native Client 11.0' # Specify the Azure Storage Account name where you will have a private blob to copy in the CSV file STORAGEACCOUNTNAME = "ENTER AZURE STORAGE ACCOUNT NAME" # Sepcify the storage account key. # You can retrieve it "Primary Access Key" found on Azure portal Storage account blade by clicking on the "Key" icon. # More info: https://azure.microsoft.com/en-us/documentation/articles/storage-create-storage-account/#manage-your-storage-access-keys STORAGEKEY = "ENTER STORAGE ACCOUNT KEY " #Read dataset #Dataset is read from a public blob and copied to a private blob to locad it into SQL DW via Polybase f = urllib2.urlopen('https://cahandson.blob.core.windows.net/nyctaxi/nyctaxipoint1pct.csv') taxisample = f.read() blob_service = BlobService(account_name=STORAGEACCOUNTNAME, account_key=STORAGEKEY) blob_service.create_container('nyctaxinb') blob_service.put_block_blob_from_bytes( 'nyctaxinb', 'nyctaxipoint1pct.csv', taxisample ) # Construct the SQL DW Connection string driver = 'DRIVER={' + DB_DRIVER + '}' server = 'SERVER=' + SERVER_NAME database = 'DATABASE=' + DATABASE_NAME uid = 'UID=' + USERID pwd = 'PWD=' + PASSWORD CONNECTION_STRING = ';'.join([driver,server,database,uid,pwd, 'Encrypt=yes;TrustServerCertificate=no']) print CONNECTION_STRING
def setup_blob_service(): blobService = BlobService(account_name=os.environ["STORAGE_ACCOUNT"], account_key=os.environ["STORAGE_KEY"]) blobService.create_container(TIMESERIES_CONTAINER) blobService.set_container_acl(TIMESERIES_CONTAINER, x_ms_blob_public_access='container') return blobService
class AzureFS(LoggingMixIn, Operations): """Azure Blob Storage filesystem""" blobs = None containers = dict() # <cname, dict(stat:dict, #files:None|dict<fname, stat>) fds = dict() # <fd, (path, bytes, dirty)> fd = 0 def __init__(self, account, key): self.blobs = BlobService(account, key) self.rebuild_container_list() def convert_to_epoch(self, date): """Converts Tue, 31 Jul 2012 07:17:34 GMT format to epoch""" return int(time.mktime(time.strptime(date, TIME_FORMAT))) def rebuild_container_list(self): cmap = dict() cnames = set() for c in self.blobs.list_containers(): date = c.properties.last_modified cstat = dict(st_mode=(S_IFDIR | 0755), st_uid=getuid(), st_size=0, st_mtime=self.convert_to_epoch(date)) cname = c.name cmap['/' + cname] = dict(stat=cstat, files=None) cnames.add(cname) cmap['/'] = dict(files={}, stat=dict(st_mode=(S_IFDIR | 0755), st_uid=getuid(), st_size=0, st_mtime=int(time.time()))) self.containers = cmap # destroys fs tree cache resistant to misses def _parse_path(self, path): # returns </dir, file(=None)> if path.count('/') > 1: # file return str(path[:path.rfind('/')]), str(path[path.rfind('/') + 1:]) else: # dir pos = path.rfind('/', 1) if pos == -1: return path, None else: return str(path[:pos]), None def parse_container(self, path): base_container = path[1:] # /abc/def/g --> abc if base_container.find('/') > -1: base_container = base_container[:base_container.find('/')] return str(base_container) def _get_dir(self, path, contents_required=False): if not self.containers: self.rebuild_container_list() if path in self.containers and not (contents_required and \ self.containers[path]['files'] is None): return self.containers[path] cname = self.parse_container(path) if '/' + cname not in self.containers: raise FuseOSError(ENOENT) else: if self.containers['/' + cname]['files'] is None: # fetch contents of container log.info("------> CONTENTS NOT FOUND: %s" % cname) blobs = self.blobs.list_blobs(cname) dirstat = dict(st_mode=(S_IFDIR | 0755), st_size=0, st_uid=getuid(), st_mtime=time.time()) if self.containers['/' + cname]['files'] is None: self.containers['/' + cname]['files'] = dict() for f in blobs: blob_name = f.name blob_date = f.properties.last_modified blob_size = long(f.properties.content_length) node = dict(st_mode=(S_IFREG | 0644), st_size=blob_size, st_mtime=self.convert_to_epoch(blob_date), st_uid=getuid()) if blob_name.find('/') == -1: # file just under container self.containers['/' + cname]['files'][blob_name] = node return self.containers['/' + cname] return None def _get_file(self, path): d, f = self._parse_path(path) dir = self._get_dir(d, True) if dir is not None and f in dir['files']: return dir['files'][f] def getattr(self, path, fh=None): d, f = self._parse_path(path) if f is None: dir = self._get_dir(d) return dir['stat'] else: file = self._get_file(path) if file: return file raise FuseOSError(ENOENT) # FUSE def mkdir(self, path, mode): if path.count('/') <= 1: # create on root name = path[1:] if not 3 <= len(name) <= 63: log.error("Container names can be 3 through 63 chars long.") raise FuseOSError(ENAMETOOLONG) if name is not name.lower(): log.error("Container names cannot contain uppercase \ characters.") raise FuseOSError(EACCES) if name.count('--') > 0: log.error('Container names cannot contain consecutive \ dashes (-).') raise FuseOSError(EAGAIN) #TODO handle all "-"s must be preceded by letter or numbers #TODO starts with only letter or number, can contain letter, nr,'-' resp = self.blobs.create_container(name) if resp: self.rebuild_container_list() log.info("CONTAINER %s CREATED" % name) else: raise FuseOSError(EACCES) log.error("Invalid container name or container already \ exists.") else: raise FuseOSError(ENOSYS) # TODO support 2nd+ level mkdirs def rmdir(self, path): if path.count('/') == 1: c_name = path[1:] resp = self.blobs.delete_container(c_name) if resp: if path in self.containers: del self.containers[path] else: raise FuseOSError(EACCES) else: raise FuseOSError(ENOSYS) # TODO support 2nd+ level mkdirs def create(self, path, mode): node = dict(st_mode=(S_IFREG | mode), st_size=0, st_nlink=1, st_uid=getuid(), st_mtime=time.time()) d, f = self._parse_path(path) if not f: log.error("Cannot create files on root level: /") raise FuseOSError(ENOSYS) dir = self._get_dir(d, True) if not dir: raise FuseOSError(EIO) dir['files'][f] = node return self.open(path, data='') # reusing handler provider def open(self, path, flags=0, data=None): if data == None: # download contents c_name = self.parse_container(path) f_name = path[path.find('/', 1) + 1:] try: data = self.blobs.get_blob(c_name, f_name) except AzureMissingResourceHttpError: dir = self._get_dir('/' + c_name, True) if f_name in dir['files']: del dir['files'][f_name] raise FuseOSError(ENOENT) except AzureException as e: log.error("Read blob failed HTTP %d" % e.code) raise FuseOSError(EAGAIN) self.fd += 1 self.fds[self.fd] = (path, data, False) return self.fd def flush(self, path, fh=None): if not fh: raise FuseOSError(EIO) else: if fh not in self.fds: raise FuseOSError(EIO) path = self.fds[fh][0] data = self.fds[fh][1] dirty = self.fds[fh][2] if not dirty: return 0 # avoid redundant write d, f = self._parse_path(path) c_name = self.parse_container(path) if data is None: data = '' try: if len(data) < 64 * 1024 * 1024: # 64 mb self.blobs.put_blob(c_name, f, data, 'BlockBlob') else: # divide file by blocks and upload block_size = 8 * 1024 * 1024 num_blocks = int(math.ceil(len(data) * 1.0 / block_size)) rd = str(random.randint(1, 1e8)) block_ids = list() for i in range(num_blocks): part = data[i * block_size:min((i + 1) * block_size, len(data))] block_id = base64.encodestring( '%s_%s' % (rd, (8 - len(str(i))) * '0' + str(i))) self.blobs.put_block(c_name, f, part, block_id) block_ids.append(block_id) self.blobs.put_block_list(c_name, f, block_ids) except AzureException: raise FuseOSError(EAGAIN) dir = self._get_dir(d, True) if not dir or f not in dir['files']: raise FuseOSError(EIO) # update local data dir['files'][f]['st_size'] = len(data) dir['files'][f]['st_mtime'] = time.time() self.fds[fh] = (path, data, False) # mark as not dirty return 0 def release(self, path, fh=None): if fh is not None and fh in self.fds: del self.fds[fh] def truncate(self, path, length, fh=None): return 0 # assume done, no need def write(self, path, data, offset, fh=None): if not fh or fh not in self.fds: raise FuseOSError(ENOENT) else: d = self.fds[fh][1] if d is None: d = "" self.fds[fh] = (self.fds[fh][0], d[:offset] + data, True) return len(data) def unlink(self, path): c_name = self.parse_container(path) d, f = self._parse_path(path) try: self.blobs.delete_blob(c_name, f) _dir = self._get_dir(path, True) if _dir and f in _dir['files']: del _dir['files'][f] return 0 except AzureMissingResourceHttpError: raise FuseOSError(ENOENT) except Exception as e: raise FuseOSError(EAGAIN) def readdir(self, path, fh): if path == '/': return ['.', '..'] + [x[1:] for x in self.containers.keys() \ if x is not '/'] dir = self._get_dir(path, True) if not dir: raise FuseOSError(ENOENT) return ['.', '..'] + dir['files'].keys() def read(self, path, size, offset, fh): if not fh or fh not in self.fds: raise FuseOSError(ENOENT) f_name = path[path.find('/', 1) + 1:] c_name = path[1:path.find('/', 1)] try: data = self.blobs.get_blob(c_name, f_name) self.fds[fh] = (self.fds[fh][0], data, False) return data[offset:offset + size] except URLError, e: if e.code == 404: raise FuseOSError(ENOENT) elif e.code == 403: raise FUSEOSError(EPERM) else: log.error("Read blob failed HTTP %d" % e.code) raise FuseOSError(EAGAIN) data = self.fds[fh][1] if data is None: data = "" return data[offset:offset + size]
class AzureConnector(): def __init__(self, config): tree = ET.parse('SharedConfig.xml') self.myMachineName = tree.find('.//Instance').get("id") self.sms = ServiceManagementService( subscription_id=config.get("azure", "subscription_id"), cert_file=config.get("azure", "cert_file") ); self.bus_service = ServiceBusService( service_namespace=config.get("azure", "bus_namespace"), shared_access_key_name=config.get("azure", "bus_shared_access_key_name"), shared_access_key_value=config.get("azure", "bus_shared_access_key_value")) self.command_queue = config.get("azure", "commandQueuePath") for tries in range(1,10): try: self.bus_service.create_queue(self.command_queue) break except: print "Esperando" self.status_topic = config.get("azure", "statusTopicPath") self.bus_service.create_queue(self.status_topic) self.storage = BlobService(account_name=config.get("azure", "account_name"), account_key=config.get("azure", "account_key")) self.algo_storage_name = config.get("azure", "algorithm_storage_name") self.storage.create_container(self.algo_storage_name, fail_on_exist=False) self.proj_storage_name = config.get("azure", "project_storage_name") self.storage.create_container(self.proj_storage_name, fail_on_exist=False) def check_new_tasks(self): for tries in range(1,2): try: message = self.bus_service.receive_queue_message(self.command_queue, peek_lock=False, timeout=60) break except: message = None if message is None or message.body is None: return None job_description = json.loads(message.body.replace('/AzureBlobStorage/', '')) command = CommandMetadata( command_id = job_description["command_id"], algorithm_directory = job_description["algorithm_prfx"], project_prfx = job_description["project_prfx"], project_input_files = job_description["project_input_files"], algorithm_executable_name = job_description["algorithm_executable_name"], algorithm_parameters = job_description["algorithm_parameters"], sent_timestamp = datetime.datetime.strptime(job_description["sent_timestamp"], "%d/%m/%Y %H:%M:%S"), machine_size=job_description["machine_size"]) # Retornar dados sobre o comando consumido da fila return command # Não há nada na fila return None def list_algo_files(self, prfx): list = self.storage.list_blobs(container_name=self.algo_storage_name, prefix=prfx) result = [] for blob in list: result.append(blob.name) return result def download_algo_zip(self, algorithm_bin_file, tmp_file): print "download_algo_zip(algorithm_bin_file="+algorithm_bin_file+", tmp_file="+tmp_file+")" for tries in range(1,5): try: self.storage.get_blob_to_path(self.algo_storage_name, algorithm_bin_file, tmp_file, open_mode='wb', snapshot=None, x_ms_lease_id=None, progress_callback=None) break except Exception as e: if tries == 5: print("Muitos erros de conexão. Operação abortada.") else: print("Erro de conexão com serviço. Retentando..." + e.__str__()) def download_file_to_project(self, project_name, blob_name, dir): print "download_file_to_project(project_name="+project_name+", blob_name="+blob_name+", dir="+dir+")" for tries in range(1,5): try: self.storage.get_blob_to_path(self.proj_storage_name, os.path.join(project_name,blob_name), os.path.join(dir,os.path.join(project_name,blob_name)), open_mode='wb', snapshot=None, x_ms_lease_id=None, progress_callback=None) break except Exception as e: if tries == 5: print("Muitos erros de conexão. Operação abortada.") else: print("Erro de conexão com serviço. Retentando..." + e.__str__()) def download_file_to_project(self, project_name, blob_name, dir): print "download_file_to_project(project_name="+project_name+", blob_name="+blob_name+", dir="+dir+")" for tries in range(1,5): try: self.storage.get_blob_to_path(self.proj_storage_name, os.path.join(project_name,blob_name), os.path.join(dir,os.path.join(project_name,blob_name)), open_mode='wb', snapshot=None, x_ms_lease_id=None, progress_callback=None) break except Exception as e: if tries == 5: print("Muitos erros de conexão. Operação abortada.") else: print("Erro de conexão com serviço. Retentando..." + e.__str__()) def upload_proj_file(self, project_name, blob_name, dir): print "upload_proj_file(project_name="+project_name+", blob_name="+blob_name+", dir="+dir+")" if blob_name[0] == '/': blob_name = blob_name[1:] for tries in range(1,5): try: self.storage.put_block_blob_from_path(self.proj_storage_name, os.path.join(project_name,blob_name), os.path.join(dir,os.path.join(project_name,blob_name))) break except Exception as e: if tries == 5: print("Muitos erros de conexão. Operação abortada.") else: print("Erro de conexão com serviço. Retentando..." + e.__str__()) def download_file_to_algo(self, blob_name, dir): print "download_file_to_algo(blob_name="+blob_name+", dir="+dir+")" for tries in range(1,5): try: self.storage.get_blob_to_path(container_name=self.algo_storage_name, blob_name=os.path.join(blob_name), file_path=os.path.join(dir,blob_name), open_mode='wb', snapshot=None, x_ms_lease_id=None, progress_callback=None) break except Exception as e: if tries == 5: print("Muitos erros de conexão. Operação abortada.") else: print("Erro de conexão com serviço. Retentando..." + e.__str__()) def send_status(self, main_status): for tries in range(1,5): try: self.bus_service.send_topic_message(topic_name=self.status_topic, message=Message(main_status.encode('utf-8'))) break except Exception as e: if tries == 5: print("Muitos erros de conexão. Operação abortada.") else: print("Erro de conexão com serviço. Retentando..." + e.__str__()) def shutdown_myself(self): # A máquina virtual irá cometer suicídio. print("Removendo máquina virtual da nuvem...") for tries in range(1,5): try: self.sms.delete_deployment( service_name=self.myMachineName, deployment_name=self.myMachineName, delete_vhd=True) exit(0) break except Exception as e: if tries == 5: print("Muitos erros de conexão. Operação abortada.") else: print("Erro de conexão com serviço. Retentando..." + e.__str__())
row[KEY_FIELD], json.dumps(tileTimePeriodResultSet), "BlockBlob", x_ms_blob_cache_control="max-age=3600", x_ms_blob_content_type="application/json") successful = True except: print "error putting heatmap: ", sys.exc_info()[0] continue yield None blobService = BlobService(account_name=os.environ["LOCATION_STORAGE_ACCOUNT"], account_key=os.environ["LOCATION_STORAGE_KEY"]) blobService.create_container(HEATMAP_CONTAINER) blobService.set_container_acl(HEATMAP_CONTAINER, x_ms_blob_public_access='container') def check_config(): if not "LOCATION_STORAGE_ACCOUNT" in os.environ: print "Required environment variable LOCATION_STORAGE_ACCOUNT missing." if not "LOCATION_STORAGE_KEY" in os.environ: print "Required environment variable LOCATION_STORAGE_KEY missing." if not "LOCATIONS_ROOT" in os.environ: print "Required environment variable LOCATIONS_ROOT missing."
class Command(BaseCommand): help = "Synchronizes static media to cloud files." option_list = BaseCommand.option_list + ( optparse.make_option('-w', '--wipe', action='store_true', dest='wipe', default=False, help="Wipes out entire contents of container first."), optparse.make_option('-t', '--test-run', action='store_true', dest='test_run', default=False, help="Performs a test run of the sync."), optparse.make_option('-c', '--container', dest='container', help="Override STATIC_CONTAINER."), ) # settings from azurite.settings ACCOUNT_NAME = AZURITE['ACCOUNT_NAME'] ACCOUNT_KEY = AZURITE['ACCOUNT_KEY'] STATIC_CONTAINER = AZURITE['STATIC_CONTAINER'] # paths DIRECTORY = os.path.abspath(settings.STATIC_ROOT) STATIC_URL = settings.STATIC_URL if not DIRECTORY.endswith('/'): DIRECTORY = DIRECTORY + '/' if STATIC_URL.startswith('/'): STATIC_URL = STATIC_URL[1:] local_object_names = [] create_count = 0 upload_count = 0 update_count = 0 skip_count = 0 delete_count = 0 service = None def handle(self, *args, **options): self.wipe = options.get('wipe') self.test_run = options.get('test_run') self.verbosity = int(options.get('verbosity')) if hasattr(options, 'container'): self.STATIC_CONTAINER = options.get('container') self.sync_files() def sync_files(self): self.service = BlobService(account_name=self.ACCOUNT_NAME, account_key=self.ACCOUNT_KEY) try: self.service.get_container_properties(self.STATIC_CONTAINER) except AzureMissingResourceHttpError: self.service.create_container(self.STATIC_CONTAINER, x_ms_blob_public_access='blob') self.service.set_container_acl(self.STATIC_CONTAINER, x_ms_blob_public_access='blob') # if -w option is provided, wipe out the contents of the container if self.wipe: blob_count = len(self.service.list_blobs(self.STATIC_CONTAINER)) if self.test_run: print "Wipe would delete %d objects." % blob_count else: print "Deleting %d objects..." % blob_count for blob in self.service.list_blobs(self.STATIC_CONTAINER): self.service.delete_blob(self.STATIC_CONTAINER, blob.name) # walk through the directory, creating or updating files on the cloud os.path.walk(self.DIRECTORY, self.upload_files, "foo") # remove any files on remote that don't exist locally self.delete_files() # print out the final tally to the cmd line self.update_count = self.upload_count - self.create_count print if self.test_run: print "Test run complete with the following results:" print "Skipped %d. Created %d. Updated %d. Deleted %d." % ( self.skip_count, self.create_count, self.update_count, self.delete_count) def upload_files(self, arg, dirname, names): # upload or skip items for item in names: file_path = os.path.join(dirname, item) if os.path.isdir(file_path): continue # Don't try to upload directories object_name = self.STATIC_URL + file_path.split(self.DIRECTORY)[1] self.local_object_names.append(object_name) try: properties = self.service.get_blob_properties(self.STATIC_CONTAINER, object_name) except AzureMissingResourceHttpError: properties = {} self.create_count += 1 cloud_datetime = None if 'last-modified' in properties: cloud_datetime = (properties['last-modified'] and datetime.datetime.strptime( properties['last-modified'], "%a, %d %b %Y %H:%M:%S %Z" ) or None) local_datetime = datetime.datetime.utcfromtimestamp( os.stat(file_path).st_mtime) if cloud_datetime and local_datetime < cloud_datetime: self.skip_count += 1 if self.verbosity > 1: print "Skipped %s: not modified." % object_name continue if not self.test_run: file_contents = open(file_path, 'r').read() content_type, encoding = mimetypes.guess_type(file_path) self.service.put_blob(self.STATIC_CONTAINER, object_name, file_contents, x_ms_blob_type='BlockBlob', x_ms_blob_content_type=content_type, content_encoding=encoding) # sync_headers(cloud_obj) self.upload_count += 1 if self.verbosity > 1: print "Uploaded", object_name def delete_files(self): # remove any objects in the container that don't exist locally for blob in self.service.list_blobs(self.STATIC_CONTAINER): if blob.name not in self.local_object_names: self.delete_count += 1 if self.verbosity > 1: print "Deleted %s" % blob.name if not self.test_run: self.service.delete_blob(self.STATIC_CONTAINER, blob.name)
import os from flask import Flask, request, redirect, url_for from werkzeug import secure_filename from azure.storage.blob import BlobService import string import random blob_service = BlobService(account_name='manthan', account_key='q6+oDMKpKUyYe4aWuICSYL+APQZlTvJzgChEq8py72F2aek6SV3wKAL7445Tw9t0FLdHF0LUXn/ja17w7kwCgQ==') blob_service.create_container('reports', x_ms_blob_public_access='container') UPLOAD_FOLDER = '/path/to/the/uploads' ALLOWED_EXTENSIONS = set(['jpeg','png']) app = Flask(__name__) app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER def allowed_file(filename): return '.' in filename and \ filename.rsplit('.', 1)[1] in ALLOWED_EXTENSIONS @app.route('/', methods=['GET', 'POST']) def upload_file(): if request.method == 'POST': file = request.files['file'] if file and allowed_file(file.filename): filename = secure_filename(file.filename) fileextension = filename.rsplit('.',1)[1]
cert_data = base64.b64encode(bfile.read()).decode() cert_format = 'pfx' cert_password = '' cert_res = sms.add_service_certificate(service_name=hosted_service_name, data=cert_data, certificate_format=cert_format, password=cert_password) operation_result = sms.get_operation_status(cert_res.request_id) # Create a container blob_service = BlobService(account_name=storage_acc_name, account_key=storage_acc_key) container_name = "vm-container" result = blob_service.create_container(container_name) container_url_template = "http://{}.blob.core.windows.net/{}" container_url = container_url_template.format(storage_acc_name, container_name) image_name = "b39f27a8b8c64d52b05eac6a62ebad85__Ubuntu-14_04-LTS-amd64-server-20140414-en-us-30GB" blob_url = container_url + "/ubuntu.vhd" os_hd = OSVirtualHardDisk(image_name, blob_url) vm_name = name_generator() linux_config = LinuxConfigurationSet(vm_name, 'rohan', 'qwerty12#', True)
def initilizeAzure(): blob_service = BlobService(account_name='manthan', account_key='q6+oDMKpKUyYe4aWuICSYL+APQZlTvJzgChEq8py72F2aek6SV3wKAL7445Tw9t0FLdHF0LUXn/ja17w7kwCgQ==') print "blob init" blob_service.create_container('reports', x_ms_blob_public_access='container') print "blob did" return blob_service
class AzureFS(LoggingMixIn, Operations): """ Azure Blob Storage filesystem """ blobs = None containers = dict() # {cname: {stat:dict, files:None|{fname: stat}} fd = 0 def __init__(self, account, key): self.blobs = BlobService(account, key) self._rebuild_container_list() def _rebuild_container_list(self): cmap = dict() cnames = set() for c in self.blobs.list_containers(): cstat = make_stat(stat.S_IFDIR | 0755, c.properties) cname = c.name cmap['/' + cname] = dict(stat=cstat, files=None) cnames.add(cname) cmap['/'] = dict(files={}, stat=make_stat(stat.S_IFDIR | 0755)) self.containers = cmap # destroys fs tree cache resistant to misses @staticmethod def _parse_path(path): # returns </dir, file(=None)> if path.count('/') > 1: # file return str(path[:path.rfind('/')]), str(path[path.rfind('/') + 1:]) else: # dir pos = path.rfind('/', 1) if pos == -1: return path, None else: return str(path[:pos]), None @staticmethod def _parse_container(path): base_container = path[1:] # /abc/def/g --> abc if base_container.find('/') > -1: base_container = base_container[:base_container.find('/')] return str(base_container) def _get_dir(self, path, contents_required=False, force=False): log.debug("get_dir: contents_required=%s, force=%s," " has_container=%s, path=%s", "t" if contents_required else "f", "t" if force else "f", "t" if path in self.containers else "f", path) cname = self._parse_container(path) if 'process' in self.containers['/' + cname] and \ self.containers['/' + cname]['process'] is not None: p = self.containers['/' + cname]['process'] if not p.is_alive(): p.join() self.containers['/' + cname]['process'] = None if not self.containers: log.info("get_dir: rebuilding container list") self._rebuild_container_list() if path in self.containers: container = self.containers[path] if not contents_required: return container if not force and container['files'] is not None: return container if '/' + cname not in self.containers: log.info("get_dir: no such container: /%s", cname) raise FuseOSError(errno.ENOENT) else: container = self.containers['/' + cname] try: log.info(">>>> %s - %s ", cname, container['process']) except KeyError: log.info(">>>> no process: %s " % cname) if container['files'] is None or force is True: # fetch contents of container log.info("Contents not found in the cache index: %s", cname) process = container.get('process', None) if process is not None and process.is_alive(): # We do nothing. Some thread is still working, # getting list of blobs from the container. log.info("Fetching blob list for '%s' is already" " handled by %s", cname, process) else: # No thread running for this container, launch a new one m = Manager() files = m.dict() process = Process(target=get_files_from_blob_service, args=(self.blobs, cname, files), name="list-blobs/%s" % cname) process.daemon = True process.start() container['process'] = process log.info("Started blob list retrieval for '%s': %s", cname, process) container['files'] = files return container def _get_file(self, path): d, f = self._parse_path(path) log.debug("get_file: requested path=%s (d=%s, f=%s)", path, d, f) directory = self._get_dir(d, True) files = None if directory is not None: files = directory['files'] if f in files: return files[f] if not hasattr(self, "_get_file_noent"): self._get_file_noent = {} last_check = self._get_file_noent.get(path, 0) if time.time() - last_check <= 30: # Negative TTL is 30 seconds (hardcoded for now) log.info("get_file: cache says to reply negative for %s", path) return None # Check if file now exists and our caches are just stale. try: c = self._parse_container(d) p = path[path.find('/', 1) + 1:] props = self.blobs.get_blob_properties(c, p) log.info("get_file: found locally unknown remote file %s: %s", path, repr(props)) node = make_stat(stat.S_IFREG | 0644, props) if node['st_size'] > 0: log.info("get_file: properties for %s: %s", path, repr(node)) # Remember this, so we won't have to re-query it. files[f] = node if path in self._get_file_noent: del self._get_file_noent[path] return node else: # TODO: FIXME: HACK: We currently ignore empty files. # Sometimes the file is not yet here and is still uploading. # Such files have "content-length: 0". Ignore those for now. log.warning("get_file: the file %s is not yet here (size=%s)", path, node['st_size']) self._get_file_noent[path] = time.time() return None except AzureMissingResourceHttpError: log.info("get_file: remote confirms non-existence of %s", path) self._get_file_noent[path] = time.time() return None except AzureException as e: log.error("get_file: exception while querying remote for %s: %s", path, repr(e)) self._get_file_noent[path] = time.time() return None def getattr(self, path, fh=None): log.debug("getattr: path=%s", path) d, f = self._parse_path(path) if f is None: return self._get_dir(d)['stat'] else: file_obj = self._get_file(path) if file_obj: return file_obj log.warning("getattr: no such file: %s", path) raise FuseOSError(errno.ENOENT) def mkdir(self, path, mode): if path.count('/') <= 1: # create on root name = path[1:] if not 3 <= len(name) <= 63: log.error("Container names can be 3 through 63 chars long") raise FuseOSError(errno.ENAMETOOLONG) if not re.match(RE_CONTAINER_NAME, name): log.error("Invalid container name: '%s'", name) raise FuseOSError(errno.EACCES) resp = self.blobs.create_container(name) if resp: self._rebuild_container_list() log.info("CONTAINER %s CREATED", name) else: log.error("Invalid container name or container already exists") raise FuseOSError(errno.EACCES) else: # TODO: Support 2nd+ level directory creation raise FuseOSError(errno.ENOSYS) def rmdir(self, path): if path.count('/') == 1: c_name = path[1:] resp = self.blobs.delete_container(c_name) if resp: if path in self.containers: del self.containers[path] else: raise FuseOSError(errno.EACCES) else: # TODO: Support 2nd+ level directories raise FuseOSError(errno.ENOSYS) def create(self, path, mode, fi=None): node = make_stat(stat.S_IFREG | mode) d, f = self._parse_path(path) if not f: log.error("Cannot create files on root level: /") raise FuseOSError(errno.ENOSYS) if f == ".__refresh_cache__": log.info("Refresh cache forced (%s)" % f) self._get_dir(path, True, True) return self.open(path, data='') directory = self._get_dir(d, True) if not directory: raise FuseOSError(errno.EIO) directory['files'][f] = node return self.open(path, data='') # reusing handler provider def open(self, path, flags=0, data=None): log.info("open: path=%s; flags=%s", path, flags) if data is None: # Download contents c_name = self._parse_container(path) f_name = path[path.find('/', 1) + 1:] try: self.blobs.get_blob_metadata(c_name, f_name) except AzureMissingResourceHttpError: directory = self._get_dir('/' + c_name, True) if f_name in directory['files']: del directory['files'][f_name] log.info("open: remote says there is no such file: c=%s f=%s", c_name, f_name) raise FuseOSError(errno.ENOENT) except AzureHttpError as e: log.error("Read blob failed with HTTP %d", e.status_code) raise FuseOSError(errno.EAGAIN) except AzureException as e: log.exception("Read blob failed with exception: %s", repr(e)) raise FuseOSError(errno.EAGAIN) self.fd += 1 return self.fd def truncate(self, path, length, fh=None): return 0 # assume done, no need def write(self, path, data, offset, fh=None): # TODO: Re-implement writing raise FuseOSError(errno.EPERM) def unlink(self, path): c_name = self._parse_container(path) d, f = self._parse_path(path) try: self.blobs.delete_blob(c_name, f) _dir = self._get_dir(path, True) if _dir and f in _dir['files']: del _dir['files'][f] return 0 except AzureMissingResourceHttpError: raise FuseOSError(errno.ENOENT) except: raise FuseOSError(errno.EAGAIN) def readdir(self, path, fh): if path == '/': return ['.', '..'] + [x[1:] for x in self.containers.keys() if x != '/'] directory = self._get_dir(path, True) if not directory: log.info("readdir: no such file: %s", path) raise FuseOSError(errno.ENOENT) return ['.', '..'] + directory['files'].keys() def read(self, path, size, offset, fh): f_name = path[path.find('/', 1) + 1:] c_name = path[1:path.find('/', 1)] try: byte_range = "bytes=%s-%s" % (offset, offset + size - 1) log.debug("read range: %s", byte_range) data = self.blobs.get_blob(c_name, f_name, snapshot=None, x_ms_range=byte_range) return data except AzureHttpError as e: if e.status_code == 404: raise FuseOSError(errno.ENOENT) elif e.status_code == 403: raise FuseOSError(errno.EPERM) else: log.error("Read blob failed with HTTP %d", e.status_code) raise FuseOSError(errno.EAGAIN) def statfs(self, path): return dict(f_bsize=4096, f_blocks=1, f_bavail=sys.maxint) def rename(self, old, new): # TODO: Implement renaming raise FuseOSError(errno.ENOSYS) def symlink(self, target, source): raise FuseOSError(errno.ENOSYS) def getxattr(self, path, name, position=0): return '' def chmod(self, path, mode): pass def chown(self, path, uid, gid): pass
class AzureIOStore(IOStore): """ A class that lets you get input from and send output to Azure Storage. """ def __init__(self, account_name, container_name, name_prefix=""): """ Make a new AzureIOStore that reads from and writes to the given container in the given account, adding the given prefix to keys. All paths will be interpreted as keys or key prefixes. If the name prefix does not end with a trailing slash, and is not empty, one will be added automatically. Account keys are retrieved from the AZURE_ACCOUNT_KEY environment variable or from the ~/.toilAzureCredentials file, as in Toil itself. """ # Make sure azure libraries actually loaded assert(have_azure) self.account_name = account_name self.container_name = container_name self.name_prefix = name_prefix if self.name_prefix != "" and not self.name_prefix.endswith("/"): # Make sure it has the trailing slash required. self.name_prefix += "/" # Sneak into Toil and use the same keys it uses self.account_key = toil.jobStores.azureJobStore._fetchAzureAccountKey( self.account_name) # This will hold out Azure blob store connection self.connection = None def __getstate__(self): """ Return the state to use for pickling. We don't want to try and pickle an open Azure connection. """ return (self.account_name, self.account_key, self.container_name, self.name_prefix) def __setstate__(self, state): """ Set up after unpickling. """ self.account_name = state[0] self.account_key = state[1] self.container_name = state[2] self.name_prefix = state[3] self.connection = None def __connect(self): """ Make sure we have an Azure connection, and set one up if we don't. """ if self.connection is None: RealTimeLogger.get().debug("Connecting to account {}, using " "container {} and prefix {}".format(self.account_name, self.container_name, self.name_prefix)) # Connect to the blob service where we keep everything self.connection = BlobService( account_name=self.account_name, account_key=self.account_key) @backoff def read_input_file(self, input_path, local_path): """ Get input from Azure. """ self.__connect() RealTimeLogger.get().debug("Loading {} from AzureIOStore".format( input_path)) # Download the blob. This is known to be synchronous, although it can # call a callback during the process. self.connection.get_blob_to_path(self.container_name, self.name_prefix + input_path, local_path) def list_input_directory(self, input_path, recursive=False, with_times=False): """ Loop over fake /-delimited directories on Azure. The prefix may or may not not have a trailing slash; if not, one will be added automatically. Returns the names of files and fake directories in the given input fake directory, non-recursively. If with_times is specified, will yield (name, time) pairs including modification times as datetime objects. Times on directories are None. """ self.__connect() RealTimeLogger.get().info("Enumerating {} from AzureIOStore".format( input_path)) # Work out what the directory name to list is fake_directory = self.name_prefix + input_path if fake_directory != "" and not fake_directory.endswith("/"): # We have a nonempty prefix, and we need to end it with a slash fake_directory += "/" # This will hold the marker that we need to send back to get the next # page, if there is one. See <http://stackoverflow.com/a/24303682> marker = None # This holds the subdirectories we found; we yield each exactly once if # we aren't recursing. subdirectories = set() while True: # Get the results from Azure. We don't use delimiter since Azure # doesn't seem to provide the placeholder entries it's supposed to. result = self.connection.list_blobs(self.container_name, marker=marker) RealTimeLogger.get().info("Found {} files".format(len(result))) for blob in result: # Yield each result's blob name, but directory names only once # Drop the common prefix relative_path = blob.name if (not recursive) and "/" in relative_path: # We found a file in a subdirectory, and we aren't supposed # to be recursing. subdirectory, _ = relative_path.split("/", 1) if subdirectory not in subdirectories: # It's a new subdirectory. Yield and remember it subdirectories.add(subdirectory) if with_times: yield subdirectory, None else: yield subdirectory else: # We found an actual file if with_times: mtime = dateutil.parser.parse( blob.properties.last_modified).replace( tzinfo=dateutil.tz.tzutc()) yield relative_path, mtime else: yield relative_path # Save the marker marker = result.next_marker if not marker: break @backoff def write_output_file(self, local_path, output_path): """ Write output to Azure. Will create the container if necessary. """ self.__connect() RealTimeLogger.get().debug("Saving {} to AzureIOStore".format( output_path)) try: # Make the container self.connection.create_container(self.container_name) except azure.WindowsAzureConflictError: # The container probably already exists pass # Upload the blob (synchronously) # TODO: catch no container error here, make the container, and retry self.connection.put_block_blob_from_path(self.container_name, self.name_prefix + output_path, local_path) @backoff def exists(self, path): """ Returns true if the given input or output file exists in Azure already. """ self.__connect() marker = None while True: try: # Make the container self.connection.create_container(self.container_name) except azure.WindowsAzureConflictError: # The container probably already exists pass # Get the results from Azure. result = self.connection.list_blobs(self.container_name, prefix=self.name_prefix + path, marker=marker) for blob in result: # Look at each blob if blob.name == self.name_prefix + path: # Found it return True # Save the marker marker = result.next_marker if not marker: break return False @backoff def get_mtime(self, path): """ Returns the modification time of the given blob if it exists, or None otherwise. """ self.__connect() marker = None while True: # Get the results from Azure. result = self.connection.list_blobs(self.container_name, prefix=self.name_prefix + path, marker=marker) for blob in result: # Look at each blob if blob.name == self.name_prefix + path: # Found it return dateutil.parser.parse( blob.properties.last_modified).replace( tzinfo=dateutil.tz.tzutc()) # Save the marker marker = result.next_marker if not marker: break return None
from azure.storage.blob import BlobService import socket import sys azureStorageAccountName = "removed" azureStorageAccountKey = "removed" container = "ilbcp1" blob = "currentprimary.dat" retryCount = 0 while 1: # keep main thread running try: print ("Started.") currentHost = socket.gethostname() print ("Setting as primary...") blob_service = BlobService(account_name=azureStorageAccountName, account_key=azureStorageAccountKey) newContents = currentHost blob_service.create_container(container) blob_service.put_block_blob_from_text(container, blob, newContents) print ("Done.") sys.exit() except Exception as e: print("Exception!") # e ? retryCount = retryCount + 1 if retryCount>5: print ("Permanently failed.") sys.exit()
from azure.storage.blob import BlobService blob_service = BlobService(account_name="<account_name>", account_key="<account_key>") blob_service.create_container("datacontainer") blob_service.create_container("datacontainer", x_ms_blob_public_access="container") blob_service.set_container_acl("datacontainer", x_ms_blob_public_access="container") blob_service.put_block_blob_from_path( "datacontainer", "datablob", "StorageClientPy.py", x_ms_blob_content_type="text/x-script.phyton" ) blobs = [] marker = None while True: batch = blob_service.list_blobs("datacontainer", marker=marker) blobs.extend(batch) if not batch.next_marker: break marker = batch.next_marker for blob in blobs: print(blob.name) blob_service.get_blob_to_path("datacontainer", "datablob", "out-StorageClientPy.py")
while True: try: f = open('/sys/bus/w1/devices/28-031561b266ff/w1_slave', 'r') #open file and store to 'f' #converts file into a list list1 = list(f) list2 = list(list1[1]) #creates a list of numbers and adds decimal to the right place temperature = list2[29:] del temperature[len(temperature)-1] temperature.insert(len(temperature)-3,'.') #converts list back to a string tempAsFloat = "".join(temperature) print tempAsFloat #prints temperature #required functions for sending temperature to azure cloud. account_name='blobs name', account_key='blobs key' blob_service = BlobService(account_name='*', account_key='*') #creates a container 'temperature' blob_service.create_container('temperature') #changes container permissions blob_service.set_container_acl('temperature', x_ms_blob_public_access='container') #'containers name', 'name of file sent/created to blob', 'name of variable or file path to file', 'BlockBlob' blob_service.put_blob('temperature', 'temperature', tempAsFloat, 'BlockBlob') time.sleep(10) #loops every 10 seconds to update temperature data in azure except: pass f.close() #closes the opened temperature file
class AzureJobStore(AbstractJobStore): """ A job store that uses Azure's blob store for file storage and Table Service to store job info with strong consistency. """ # Dots in container names should be avoided because container names are used in HTTPS bucket # URLs where the may interfere with the certificate common name. We use a double underscore # as a separator instead. # containerNameRe = re.compile(r'^[a-z0-9](-?[a-z0-9]+)+[a-z0-9]$') # See https://msdn.microsoft.com/en-us/library/azure/dd135715.aspx # minContainerNameLen = 3 maxContainerNameLen = 63 maxNameLen = 10 nameSeparator = 'xx' # Table names must be alphanumeric # Length of a jobID - used to test if a stats file has been read already or not jobIDLength = len(str(uuid.uuid4())) def __init__(self, locator, jobChunkSize=maxAzureTablePropertySize): super(AzureJobStore, self).__init__() accountName, namePrefix = locator.split(':', 1) if '--' in namePrefix: raise ValueError( "Invalid name prefix '%s'. Name prefixes may not contain %s." % (namePrefix, self.nameSeparator)) if not self.containerNameRe.match(namePrefix): raise ValueError( "Invalid name prefix '%s'. Name prefixes must contain only digits, " "hyphens or lower-case letters and must not start or end in a " "hyphen." % namePrefix) # Reserve 13 for separator and suffix if len(namePrefix) > self.maxContainerNameLen - self.maxNameLen - len( self.nameSeparator): raise ValueError(( "Invalid name prefix '%s'. Name prefixes may not be longer than 50 " "characters." % namePrefix)) if '--' in namePrefix: raise ValueError( "Invalid name prefix '%s'. Name prefixes may not contain " "%s." % (namePrefix, self.nameSeparator)) self.locator = locator self.jobChunkSize = jobChunkSize self.accountKey = _fetchAzureAccountKey(accountName) self.accountName = accountName # Table names have strict requirements in Azure self.namePrefix = self._sanitizeTableName(namePrefix) # These are the main API entry points. self.tableService = TableService(account_key=self.accountKey, account_name=accountName) self.blobService = BlobService(account_key=self.accountKey, account_name=accountName) # Serialized jobs table self.jobItems = None # Job<->file mapping table self.jobFileIDs = None # Container for all shared and unshared files self.files = None # Stats and logging strings self.statsFiles = None # File IDs that contain stats and logging strings self.statsFileIDs = None @property def keyPath(self): return self.config.cseKey def initialize(self, config): if self._jobStoreExists(): raise JobStoreExistsException(self.locator) logger.debug("Creating job store at '%s'" % self.locator) self._bind(create=True) super(AzureJobStore, self).initialize(config) def resume(self): if not self._jobStoreExists(): raise NoSuchJobStoreException(self.locator) logger.debug("Using existing job store at '%s'" % self.locator) self._bind(create=False) super(AzureJobStore, self).resume() def destroy(self): for name in 'jobItems', 'jobFileIDs', 'files', 'statsFiles', 'statsFileIDs': resource = getattr(self, name) if resource is not None: if isinstance(resource, AzureTable): resource.delete_table() elif isinstance(resource, AzureBlobContainer): resource.delete_container() else: assert False setattr(self, name, None) def _jobStoreExists(self): """ Checks if job store exists by querying the existence of the statsFileIDs table. Note that this is the last component that is deleted in :meth:`.destroy`. """ for attempt in retry_azure(): with attempt: try: table = self.tableService.query_tables( table_name=self._qualify('statsFileIDs')) except AzureMissingResourceHttpError as e: if e.status_code == 404: return False else: raise else: return table is not None def _bind(self, create=False): table = self._bindTable container = self._bindContainer for name, binder in (('jobItems', table), ('jobFileIDs', table), ('files', container), ('statsFiles', container), ('statsFileIDs', table)): if getattr(self, name) is None: setattr(self, name, binder(self._qualify(name), create=create)) def _qualify(self, name): return self.namePrefix + self.nameSeparator + name.lower() def jobs(self): # How many jobs have we done? total_processed = 0 for jobEntity in self.jobItems.query_entities_auto(): # Process the items in the page yield AzureJob.fromEntity(jobEntity) total_processed += 1 if total_processed % 1000 == 0: # Produce some feedback for the user, because this can take # a long time on, for example, Azure logger.info("Processed %d total jobs" % total_processed) logger.info("Processed %d total jobs" % total_processed) def create(self, command, memory, cores, disk, preemptable, predecessorNumber=0): jobStoreID = self._newJobID() job = AzureJob(jobStoreID=jobStoreID, command=command, memory=memory, cores=cores, disk=disk, preemptable=preemptable, remainingRetryCount=self._defaultTryCount(), logJobStoreFileID=None, predecessorNumber=predecessorNumber) entity = job.toItem(chunkSize=self.jobChunkSize) entity['RowKey'] = jobStoreID self.jobItems.insert_entity(entity=entity) return job def exists(self, jobStoreID): if self.jobItems.get_entity(row_key=jobStoreID) is None: return False return True def load(self, jobStoreID): jobEntity = self.jobItems.get_entity(row_key=jobStoreID) if jobEntity is None: raise NoSuchJobException(jobStoreID) return AzureJob.fromEntity(jobEntity) def update(self, job): self.jobItems.update_entity( row_key=job.jobStoreID, entity=job.toItem(chunkSize=self.jobChunkSize)) def delete(self, jobStoreID): try: self.jobItems.delete_entity(row_key=jobStoreID) except AzureMissingResourceHttpError: # Job deletion is idempotent, and this job has been deleted already return filterString = "PartitionKey eq '%s'" % jobStoreID for fileEntity in self.jobFileIDs.query_entities(filter=filterString): jobStoreFileID = fileEntity.RowKey self.deleteFile(jobStoreFileID) def getEnv(self): return dict(AZURE_ACCOUNT_KEY=self.accountKey) class BlobInfo(namedtuple('BlobInfo', ('account', 'container', 'name'))): @property @memoize def service(self): return BlobService(account_name=self.account, account_key=_fetchAzureAccountKey(self.account)) @classmethod def _readFromUrl(cls, url, writable): blob = cls._parseWasbUrl(url) blob.service.get_blob_to_file(container_name=blob.container, blob_name=blob.name, stream=writable) @classmethod def _writeToUrl(cls, readable, url): blob = cls._parseWasbUrl(url) blob.service.put_block_blob_from_file(container_name=blob.container, blob_name=blob.name, stream=readable) @classmethod def _parseWasbUrl(cls, url): """ :param urlparse.ParseResult url: x :rtype: AzureJobStore.BlobInfo """ assert url.scheme in ('wasb', 'wasbs') try: container, account = url.netloc.split('@') except ValueError: raise InvalidImportExportUrlException(url) suffix = '.blob.core.windows.net' if account.endswith(suffix): account = account[:-len(suffix)] else: raise InvalidImportExportUrlException(url) assert url.path[0] == '/' return cls.BlobInfo(account=account, container=container, name=url.path[1:]) @classmethod def _supportsUrl(cls, url, export=False): return url.scheme.lower() in ('wasb', 'wasbs') def writeFile(self, localFilePath, jobStoreID=None): jobStoreFileID = self._newFileID() self.updateFile(jobStoreFileID, localFilePath) self._associateFileWithJob(jobStoreFileID, jobStoreID) return jobStoreFileID def updateFile(self, jobStoreFileID, localFilePath): with open(localFilePath) as read_fd: with self._uploadStream(jobStoreFileID, self.files) as write_fd: while True: buf = read_fd.read(self._maxAzureBlockBytes) write_fd.write(buf) if len(buf) == 0: break def readFile(self, jobStoreFileID, localFilePath): try: with self._downloadStream(jobStoreFileID, self.files) as read_fd: with open(localFilePath, 'w') as write_fd: while True: buf = read_fd.read(self._maxAzureBlockBytes) write_fd.write(buf) if not buf: break except AzureMissingResourceHttpError: raise NoSuchFileException(jobStoreFileID) def deleteFile(self, jobStoreFileID): try: self.files.delete_blob(blob_name=jobStoreFileID) self._dissociateFileFromJob(jobStoreFileID) except AzureMissingResourceHttpError: pass def fileExists(self, jobStoreFileID): # As Azure doesn't have a blob_exists method (at least in the # python API) we just try to download the metadata, and hope # the metadata is small so the call will be fast. try: self.files.get_blob_metadata(blob_name=jobStoreFileID) return True except AzureMissingResourceHttpError: return False @contextmanager def writeFileStream(self, jobStoreID=None): # TODO: this (and all stream methods) should probably use the # Append Blob type, but that is not currently supported by the # Azure Python API. jobStoreFileID = self._newFileID() with self._uploadStream(jobStoreFileID, self.files) as fd: yield fd, jobStoreFileID self._associateFileWithJob(jobStoreFileID, jobStoreID) @contextmanager def updateFileStream(self, jobStoreFileID): with self._uploadStream(jobStoreFileID, self.files, checkForModification=True) as fd: yield fd def getEmptyFileStoreID(self, jobStoreID=None): jobStoreFileID = self._newFileID() self.files.put_blob(blob_name=jobStoreFileID, blob='', x_ms_blob_type='BlockBlob') self._associateFileWithJob(jobStoreFileID, jobStoreID) return jobStoreFileID @contextmanager def readFileStream(self, jobStoreFileID): if not self.fileExists(jobStoreFileID): raise NoSuchFileException(jobStoreFileID) with self._downloadStream(jobStoreFileID, self.files) as fd: yield fd @contextmanager def writeSharedFileStream(self, sharedFileName, isProtected=None): assert self._validateSharedFileName(sharedFileName) sharedFileID = self._newFileID(sharedFileName) with self._uploadStream(sharedFileID, self.files, encrypted=isProtected) as fd: yield fd @contextmanager def readSharedFileStream(self, sharedFileName): assert self._validateSharedFileName(sharedFileName) sharedFileID = self._newFileID(sharedFileName) if not self.fileExists(sharedFileID): raise NoSuchFileException(sharedFileID) with self._downloadStream(sharedFileID, self.files) as fd: yield fd def writeStatsAndLogging(self, statsAndLoggingString): # TODO: would be a great use case for the append blobs, once implemented in the Azure SDK jobStoreFileID = self._newFileID() encrypted = self.keyPath is not None if encrypted: statsAndLoggingString = encryption.encrypt(statsAndLoggingString, self.keyPath) self.statsFiles.put_block_blob_from_text( blob_name=jobStoreFileID, text=statsAndLoggingString, x_ms_meta_name_values=dict(encrypted=str(encrypted))) self.statsFileIDs.insert_entity(entity={'RowKey': jobStoreFileID}) def readStatsAndLogging(self, callback, readAll=False): suffix = '_old' numStatsFiles = 0 for entity in self.statsFileIDs.query_entities(): jobStoreFileID = entity.RowKey hasBeenRead = len(jobStoreFileID) > self.jobIDLength if not hasBeenRead: with self._downloadStream(jobStoreFileID, self.statsFiles) as fd: callback(fd) # Mark this entity as read by appending the suffix self.statsFileIDs.insert_entity( entity={'RowKey': jobStoreFileID + suffix}) self.statsFileIDs.delete_entity(row_key=jobStoreFileID) numStatsFiles += 1 elif readAll: # Strip the suffix to get the original ID jobStoreFileID = jobStoreFileID[:-len(suffix)] with self._downloadStream(jobStoreFileID, self.statsFiles) as fd: callback(fd) numStatsFiles += 1 return numStatsFiles _azureTimeFormat = "%Y-%m-%dT%H:%M:%SZ" def getPublicUrl(self, jobStoreFileID): try: self.files.get_blob_properties(blob_name=jobStoreFileID) except AzureMissingResourceHttpError: raise NoSuchFileException(jobStoreFileID) # Compensate of a little bit of clock skew startTimeStr = (datetime.utcnow() - timedelta(minutes=5)).strftime( self._azureTimeFormat) endTime = datetime.utcnow() + self.publicUrlExpiration endTimeStr = endTime.strftime(self._azureTimeFormat) sap = SharedAccessPolicy( AccessPolicy(startTimeStr, endTimeStr, BlobSharedAccessPermissions.READ)) sas_token = self.files.generate_shared_access_signature( blob_name=jobStoreFileID, shared_access_policy=sap) return self.files.make_blob_url( blob_name=jobStoreFileID) + '?' + sas_token def getSharedPublicUrl(self, sharedFileName): jobStoreFileID = self._newFileID(sharedFileName) return self.getPublicUrl(jobStoreFileID) def _newJobID(self): # raw UUIDs don't work for Azure property names because the '-' character is disallowed. return str(uuid.uuid4()).replace('-', '_') # A dummy job ID under which all shared files are stored. sharedFileJobID = uuid.UUID('891f7db6-e4d9-4221-a58e-ab6cc4395f94') def _newFileID(self, sharedFileName=None): if sharedFileName is None: ret = str(uuid.uuid4()) else: ret = str(uuid.uuid5(self.sharedFileJobID, str(sharedFileName))) return ret.replace('-', '_') def _associateFileWithJob(self, jobStoreFileID, jobStoreID=None): if jobStoreID is not None: self.jobFileIDs.insert_entity(entity={ 'PartitionKey': jobStoreID, 'RowKey': jobStoreFileID }) def _dissociateFileFromJob(self, jobStoreFileID): entities = self.jobFileIDs.query_entities(filter="RowKey eq '%s'" % jobStoreFileID) if entities: assert len(entities) == 1 jobStoreID = entities[0].PartitionKey self.jobFileIDs.delete_entity(partition_key=jobStoreID, row_key=jobStoreFileID) def _bindTable(self, tableName, create=False): for attempt in retry_azure(): with attempt: try: tables = self.tableService.query_tables( table_name=tableName) except AzureMissingResourceHttpError as e: if e.status_code != 404: raise else: if tables: assert tables[0].name == tableName return AzureTable(self.tableService, tableName) if create: self.tableService.create_table(tableName) return AzureTable(self.tableService, tableName) else: return None def _bindContainer(self, containerName, create=False): for attempt in retry_azure(): with attempt: try: self.blobService.get_container_properties(containerName) except AzureMissingResourceHttpError as e: if e.status_code == 404: if create: self.blobService.create_container(containerName) else: return None else: raise return AzureBlobContainer(self.blobService, containerName) def _sanitizeTableName(self, tableName): """ Azure table names must start with a letter and be alphanumeric. This will never cause a collision if uuids are used, but otherwise may not be safe. """ return 'a' + filter(lambda x: x.isalnum(), tableName) # Maximum bytes that can be in any block of an Azure block blob # https://github.com/Azure/azure-storage-python/blob/4c7666e05a9556c10154508335738ee44d7cb104/azure/storage/blob/blobservice.py#L106 _maxAzureBlockBytes = 4 * 1024 * 1024 @contextmanager def _uploadStream(self, jobStoreFileID, container, checkForModification=False, encrypted=None): """ :param encrypted: True to enforce encryption (will raise exception unless key is set), False to prevent encryption or None to encrypt if key is set. """ if checkForModification: try: expectedVersion = container.get_blob_properties( blob_name=jobStoreFileID)['etag'] except AzureMissingResourceHttpError: expectedVersion = None if encrypted is None: encrypted = self.keyPath is not None elif encrypted: if self.keyPath is None: raise RuntimeError( 'Encryption requested but no key was provided') maxBlockSize = self._maxAzureBlockBytes if encrypted: # There is a small overhead for encrypted data. maxBlockSize -= encryption.overhead store = self class UploadPipe(WritablePipe): def readFrom(self, readable): blockIDs = [] try: while True: buf = readable.read(maxBlockSize) if len(buf) == 0: # We're safe to break here even if we never read anything, since # putting an empty block list creates an empty blob. break if encrypted: buf = encryption.encrypt(buf, store.keyPath) blockID = store._newFileID() container.put_block(blob_name=jobStoreFileID, block=buf, blockid=blockID) blockIDs.append(blockID) except: with panic(log=logger): # This is guaranteed to delete any uncommitted blocks. container.delete_blob(blob_name=jobStoreFileID) if checkForModification and expectedVersion is not None: # Acquire a (60-second) write lock, leaseID = container.lease_blob( blob_name=jobStoreFileID, x_ms_lease_action='acquire')['x-ms-lease-id'] # check for modification, blobProperties = container.get_blob_properties( blob_name=jobStoreFileID) if blobProperties['etag'] != expectedVersion: container.lease_blob(blob_name=jobStoreFileID, x_ms_lease_action='release', x_ms_lease_id=leaseID) raise ConcurrentFileModificationException( jobStoreFileID) # commit the file, container.put_block_list( blob_name=jobStoreFileID, block_list=blockIDs, x_ms_lease_id=leaseID, x_ms_meta_name_values=dict(encrypted=str(encrypted))) # then release the lock. container.lease_blob(blob_name=jobStoreFileID, x_ms_lease_action='release', x_ms_lease_id=leaseID) else: # No need to check for modification, just blindly write over whatever # was there. container.put_block_list( blob_name=jobStoreFileID, block_list=blockIDs, x_ms_meta_name_values=dict(encrypted=str(encrypted))) with UploadPipe() as writable: yield writable @contextmanager def _downloadStream(self, jobStoreFileID, container): # The reason this is not in the writer is so we catch non-existant blobs early blobProps = container.get_blob_properties(blob_name=jobStoreFileID) encrypted = strict_bool(blobProps['x-ms-meta-encrypted']) if encrypted and self.keyPath is None: raise AssertionError( 'Content is encrypted but no key was provided.') outer_self = self class DownloadPipe(ReadablePipe): def writeTo(self, writable): chunkStart = 0 fileSize = int(blobProps['Content-Length']) while chunkStart < fileSize: chunkEnd = chunkStart + outer_self._maxAzureBlockBytes - 1 buf = container.get_blob(blob_name=jobStoreFileID, x_ms_range="bytes=%d-%d" % (chunkStart, chunkEnd)) if encrypted: buf = encryption.decrypt(buf, outer_self.keyPath) writable.write(buf) chunkStart = chunkEnd + 1 with DownloadPipe() as readable: yield readable
# if there is no video key return if len(sys.argv) <= 2: exit() print "=== Uploading to Azure ===" video_key = sys.argv[2] # walk all files in dir and push to bucket key = raw_input("Please enter azure vidoepath blob storage key: ") blob_service = BlobService(account_name='videopathmobilefiles', account_key=key) basepath = os.path.dirname(os.path.abspath(__file__)) + "/" + output_folder container_name = video_key.lower() blob_service.create_container(container_name, x_ms_blob_public_access='container') # collect files for uploading filepaths = [] for path, subdirs, files in os.walk(basepath): for name in files: # don't upload hidden files if name[0] == ".": continue pathname = os.path.join(path, name) filepaths.append(pathname) # uploading thread def upload_files(filepaths): while len(filepaths):
def module_impl(rm, log, params, check_mode=False): if not HAS_AZURE: raise Exception("The Azure python sdk is not installed (try 'pip install azure')") if not HAS_REQUESTS: raise Exception("The requests python module is not installed (try 'pip install requests')") resource_group = params.get('resource_group') account_name = params.get('account_name') container_name = params.get('container_name') mode = params.get('mode') x_ms_meta_name_values = params.get('x_ms_meta_name_values') x_ms_blob_public_access = params.get('x_ms_blob_public_access') x_ms_blob_cache_control = params.get('x_ms_blob_cache_control') x_ms_blob_content_encoding = params.get('x_ms_blob_content_encoding') x_ms_blob_content_language = params.get('x_ms_blob_content_language') x_ms_blob_content_type = params.get('x_ms_blob_content_type') prefix = params.get('prefix') marker = params.get('marker') max_results = params.get('max_results') blob_name = params.get('blob_name') file_path = params.get('file_path') overwrite = params.get('overwrite') permissions = params.get('permissions') hours = params.get('hours') days = params.get('days') access_token = params.get('access_token') results = dict(changed=False) storage_client = rm.storage_client if not resource_group: raise Exception("Parameter error: resource_group cannot be None.") if not account_name: raise Exception("Parameter error: account_name cannot be None.") if not container_name: raise Exception("Parameter error: container_name cannot be None.") if not NAME_PATTERN.match(container_name): raise Exception("Parameter error: container_name must consist of lowercase letters, numbers and hyphens. It must begin with " + "a letter or number. It may not contain two consecutive hyphens.") # add file path validation results['account_name'] = account_name results['resource_group'] = resource_group results['container_name'] = container_name # put (upload), get (download), geturl (return download url (Ansible 1.3+), getstr (download object as string (1.3+)), list (list keys (2.0+)), create (bucket), delete (bucket), and delobj (delete object) try: log('Getting keys') keys = {} response = storage_client.storage_accounts.list_keys(resource_group, account_name) keys[KeyName.key1] = response.storage_account_keys.key1 keys[KeyName.key2] = response.storage_account_keys.key2 except AzureHttpError as e: log('Error getting keys for account %s' % account_name) raise Exception(str(e.message)) try: log('Create blob service') bs = BlobService(account_name, keys[KeyName.key1]) except Exception as e: log('Error creating blob service.') raise Exception(str(e.args[0])) if mode == 'create': container = get_container_facts(bs, container_name) if container is not None: # container exists results['container'] = container results['msg'] = "Container already exists." return results # create the container if not check_mode: log('Create container %s' % container_name) bs.create_container(container_name, x_ms_meta_name_values, x_ms_blob_public_access) results['container'] = get_container_facts(bs, container_name) results['msg'] = "Container created successfully." results['changed'] = True return results if mode == 'update': container = get_container_facts(bs, container_name) if container is None: # container does not exist if not check_mode: log('Create container %s' % container_name) bs.create_container(container_name, x_ms_meta_name_values, x_ms_blob_public_access) results['changed'] = True results['msg'] = 'Container created successfully.' return results # update existing container results['msg'] = "Container not changed." if x_ms_meta_name_values: if not check_mode: log('Update x_ms_meta_name_values for container %s' % container_name) bs.set_container_metadata(container_name, x_ms_meta_name_values) results['changed'] = True results['msg'] = 'Container meta data updated successfully.' if x_ms_blob_public_access: access = x_ms_blob_public_access if x_ms_blob_public_access == 'private': access = None if not check_mode: log('Set access to %s for container %s' % (access, container_name)) bs.set_container_acl(container_name=container_name, x_ms_blob_public_access=access) results['changed'] = True results['msg'] = 'Container ACL updated successfully.' if permissions: if hours == 0 and days == 0: raise Exception("Parameter error: expecting hours > 0 or days > 0") id = "%s-%s" % (container_name, permissions) si = get_identifier(id, hours, days, permissions) identifiers = SignedIdentifiers() identifiers.signed_identifiers.append(si) if not check_mode: log('Set permissions to %s for container %s' % (permissions, container_name)) bs.set_container_acl(container_name=container_name,signed_identifiers=identifiers) results['changed'] = True results['msg'] = 'Container ACL updated successfully.' results['container'] = get_container_facts(bs, container_name) return results if mode == 'delete': container = get_container_facts(bs, container_name) if container is None: results['msg'] = "Container %s could not be found." % container_name return results if not check_mode: log('Deleting container %s' % container_name) bs.delete_container(container_name) results['changed'] = True results['msg'] = 'Container deleted successfully.' return results if mode == 'delete_blob': if blob_name is None: raise Exception("Parameter error: blob_name cannot be None.") container = container_check(bs, container_name) blob = get_blob_facts(bs, container_name, blob_name) if not blob: results['msg'] = 'Blob %s could not be found in container %s.' % (blob_name, container_name) return results if not check_mode: log('Deleteing %s from container %s.' % (blob_name, container_name)) bs.delete_blob(container_name, blob_name) results['changed'] = True results['msg'] = 'Blob successfully deleted.' return results if mode == 'put': if not blob_name: raise Exception("Parameter error: blob_name cannot be None.") if not file_path : raise Exception("Parameter error: file_path cannot be None.") if not path_check(file_path): raise Exception("File %s does not exist." % file_path) container = get_container_facts(bs, container_name) blob = None if container is not None: blob = get_blob_facts(bs, container_name, blob_name) if container is not None and blob is not None: # both container and blob already exist md5_remote = blob['content-md5'] md5_local = get_md5(file_path) results['container'] = container results['blob'] = blob if md5_local == md5_remote: sum_matches = True results['msg'] = 'File checksums match. File not uploaded.' if overwrite == 'always': if not check_mode: log('Uploading %s to container %s.' % (file_path, container_name)) put_block_blob( bs, container_name, blob_name, file_path, x_ms_meta_name_values, x_ms_blob_cache_control, x_ms_blob_content_encoding, x_ms_blob_content_language, x_ms_blob_content_type ) results['blob'] = get_blob_facts(bs, container_name, blob_name) results['changed'] = True results['msg'] = 'File successfully uploaded.' else: sum_matches = False if overwrite in ('always', 'different'): if not check_mode: log('Uploading %s to container %s.' % (file_path, container_name)) put_block_blob( bs, container_name, blob_name, file_path, x_ms_meta_name_values, x_ms_blob_cache_control, x_ms_blob_content_encoding, x_ms_blob_content_language, x_ms_blob_content_type ) results['blob'] = get_blob_facts(bs, container_name, blob_name) results['changed'] = True results['msg'] = 'File successfully uploaded.' else: results['msg'] = "WARNING: Checksums do not match. Use overwrite parameter to force upload." return results if container is None: # container does not exist. create container and upload. if not check_mode: log('Creating container %s.' % container_name) bs.create_container(container_name, x_ms_meta_name_values, x_ms_blob_public_access) log('Uploading %s to container %s.' % (file_path, container_name)) put_block_blob( bs, container_name, blob_name, file_path, x_ms_meta_name_values, x_ms_blob_cache_control, x_ms_blob_content_encoding, x_ms_blob_content_language, x_ms_blob_content_type ) results['conainer'] = get_container_facts(bs, container_name) results['blob'] = get_blob_facts(bs, container_name, blob_name) results['changed'] = True results['msg'] = 'Successfully created container and uploaded file.' return results if container is not None: # container exists. just upload. if not check_mode: log('Uploading %s to container %s.' % (file_path, container_name)) put_block_blob( bs, container_name, blob_name, file_path, x_ms_meta_name_values, x_ms_blob_cache_control, x_ms_blob_content_encoding, x_ms_blob_content_language, x_ms_blob_content_type ) results['blob'] = get_blob_facts(bs, container_name, blob_name) results['changed'] = True results['msg'] = 'Successfully updloaded file.' return results if mode == 'list': container = container_check(bs, container_name) response = bs.list_blobs( container_name, prefix, marker, max_results ) results['blobs'] = [] for blob in response.blobs: b = dict( name = blob.name, snapshot = blob.snapshot, last_modified = blob.properties.last_modified, content_length = blob.properties.content_length, blob_type = blob.properties.blob_type, ) results['blobs'].append(b) return results if mode == 'get': if file_path is None: raise Exception("Parameter error: file_path cannot be None.") container = container_check(bs, container_name) blob = blob_check(bs, container_name, blob_name) path_exists = path_check(file_path) if not path_exists or overwrite == 'always': if not check_mode: bs.get_blob_to_path(container_name, blob_name, file_path) results['changed'] = True results['msg'] = "Blob %s successfully downloaded to %s." % (blob_name, file_path) return results if path_exists: md5_remote = blob['content-md5'] md5_local = get_md5(file_path) if md5_local == md5_remote: sum_matches = True if overwrite == 'always': if not check_mode: bs.get_blob_to_path(container_name, blob_name, file_path) results['changed'] = True results['msg'] = "Blob %s successfully downloaded to %s." % (blob_name, file_path) else: results['msg'] = "Local and remote object are identical, ignoring. Use overwrite parameter to force." else: sum_matches = False if overwrite in ('always', 'different'): if not check_mode: bs.get_blob_to_path(container_name, blob_name, file_path) results['changed'] = True results['msg'] = "Blob %s successfully downloaded to %s." % (blob_name, file_path) else: results['msg'] ="WARNING: Checksums do not match. Use overwrite parameter to force download." if sum_matches is True and overwrite == 'never': results['msg'] = "Local and remote object are identical, ignoring. Use overwrite parameter to force." return results if mode == 'get_url': if not blob_name: raise Exception("Parameter error: blob_name cannot be None.") container = container_check(bs, container_name) blob = blob_check(bs, container_name, blob_name) url = bs.make_blob_url( container_name=container_name, blob_name=blob_name, sas_token=access_token) results['url'] = url results['msg'] = "Url: %s" % url return results if mode == 'get_token': if hours == 0 and days == 0: raise Exception("Parameter error: expecting hours > 0 or days > 0") container = container_check(bs, container_name) blob = blob_check(bs, container_name, blob_name) results['blob_name'] = blob_name sap = get_shared_access_policy(permissions, hours=hours, days=days) token = bs.generate_shared_access_signature(container_name, blob_name, sap) results['access_token'] = token return results
class AzureJobStore(AbstractJobStore): """ A job store that uses Azure's blob store for file storage and Table Service to store job info with strong consistency.""" @classmethod def loadOrCreateJobStore(cls, jobStoreString, config=None, **kwargs): account, namePrefix = jobStoreString.split(':', 1) if '--' in namePrefix: raise ValueError("Invalid name prefix '%s'. Name prefixes may not contain " "%s." % (namePrefix, cls.nameSeparator)) if not cls.containerNameRe.match(namePrefix): raise ValueError("Invalid name prefix '%s'. Name prefixes must contain only digits, " "hyphens or lower-case letters and must not start or end in a " "hyphen." % namePrefix) # Reserve 13 for separator and suffix if len(namePrefix) > cls.maxContainerNameLen - cls.maxNameLen - len(cls.nameSeparator): raise ValueError(("Invalid name prefix '%s'. Name prefixes may not be longer than 50 " "characters." % namePrefix)) if '--' in namePrefix: raise ValueError("Invalid name prefix '%s'. Name prefixes may not contain " "%s." % (namePrefix, cls.nameSeparator)) return cls(account, namePrefix, config=config, **kwargs) # Dots in container names should be avoided because container names are used in HTTPS bucket # URLs where the may interfere with the certificate common name. We use a double # underscore as a separator instead. # containerNameRe = re.compile(r'^[a-z0-9](-?[a-z0-9]+)+[a-z0-9]$') # See https://msdn.microsoft.com/en-us/library/azure/dd135715.aspx # minContainerNameLen = 3 maxContainerNameLen = 63 maxNameLen = 10 nameSeparator = 'xx' # Table names must be alphanumeric # Do not invoke the constructor, use the factory method above. def __init__(self, accountName, namePrefix, config=None, jobChunkSize=maxAzureTablePropertySize): self.jobChunkSize = jobChunkSize self.keyPath = None self.account_key = _fetchAzureAccountKey(accountName) self.accountName = accountName # Table names have strict requirements in Azure self.namePrefix = self._sanitizeTableName(namePrefix) logger.debug("Creating job store with name prefix '%s'" % self.namePrefix) # These are the main API entrypoints. self.tableService = TableService(account_key=self.account_key, account_name=accountName) self.blobService = BlobService(account_key=self.account_key, account_name=accountName) # Register our job-store in the global table for this storage account self.registryTable = self._getOrCreateTable('toilRegistry') exists = self.registryTable.get_entity(row_key=self.namePrefix) self._checkJobStoreCreation(config is not None, exists, accountName + ":" + self.namePrefix) self.registryTable.insert_or_replace_entity(row_key=self.namePrefix, entity={'exists': True}) # Serialized jobs table self.jobItems = self._getOrCreateTable(self.qualify('jobs')) # Job<->file mapping table self.jobFileIDs = self._getOrCreateTable(self.qualify('jobFileIDs')) # Container for all shared and unshared files self.files = self._getOrCreateBlobContainer(self.qualify('files')) # Stats and logging strings self.statsFiles = self._getOrCreateBlobContainer(self.qualify('statsfiles')) # File IDs that contain stats and logging strings self.statsFileIDs = self._getOrCreateTable(self.qualify('statsFileIDs')) super(AzureJobStore, self).__init__(config=config) if self.config.cseKey is not None: self.keyPath = self.config.cseKey # Length of a jobID - used to test if a stats file has been read already or not jobIDLength = len(str(uuid.uuid4())) def qualify(self, name): return self.namePrefix + self.nameSeparator + name def jobs(self): # How many jobs have we done? total_processed = 0 for jobEntity in self.jobItems.query_entities_auto(): # Process the items in the page yield AzureJob.fromEntity(jobEntity) total_processed += 1 if total_processed % 1000 == 0: # Produce some feedback for the user, because this can take # a long time on, for example, Azure logger.info("Processed %d total jobs" % total_processed) logger.info("Processed %d total jobs" % total_processed) def create(self, command, memory, cores, disk, preemptable, predecessorNumber=0): jobStoreID = self._newJobID() job = AzureJob(jobStoreID=jobStoreID, command=command, memory=memory, cores=cores, disk=disk, preemptable=preemptable, remainingRetryCount=self._defaultTryCount(), logJobStoreFileID=None, predecessorNumber=predecessorNumber) entity = job.toItem(chunkSize=self.jobChunkSize) entity['RowKey'] = jobStoreID self.jobItems.insert_entity(entity=entity) return job def exists(self, jobStoreID): if self.jobItems.get_entity(row_key=jobStoreID) is None: return False return True def load(self, jobStoreID): jobEntity = self.jobItems.get_entity(row_key=jobStoreID) if jobEntity is None: raise NoSuchJobException(jobStoreID) return AzureJob.fromEntity(jobEntity) def update(self, job): self.jobItems.update_entity(row_key=job.jobStoreID, entity=job.toItem(chunkSize=self.jobChunkSize)) def delete(self, jobStoreID): try: self.jobItems.delete_entity(row_key=jobStoreID) except AzureMissingResourceHttpError: # Job deletion is idempotent, and this job has been deleted already return filterString = "PartitionKey eq '%s'" % jobStoreID for fileEntity in self.jobFileIDs.query_entities(filter=filterString): jobStoreFileID = fileEntity.RowKey self.deleteFile(jobStoreFileID) def deleteJobStore(self): self.registryTable.delete_entity(row_key=self.namePrefix) self.jobItems.delete_table() self.jobFileIDs.delete_table() self.files.delete_container() self.statsFiles.delete_container() self.statsFileIDs.delete_table() def getEnv(self): return dict(AZURE_ACCOUNT_KEY=self.account_key) @classmethod def _readFromUrl(cls, url, writable): blobService, containerName, blobName = cls._extractBlobInfoFromUrl(url) blobService.get_blob_to_file(containerName, blobName, writable) @classmethod def _writeToUrl(cls, readable, url): blobService, containerName, blobName = cls._extractBlobInfoFromUrl(url) blobService.put_block_blob_from_file(containerName, blobName, readable) blobService.get_blob(containerName, blobName) @staticmethod def _extractBlobInfoFromUrl(url): """ :return: (blobService, containerName, blobName) """ def invalidUrl(): raise RuntimeError("The URL '%s' is invalid" % url.geturl()) netloc = url.netloc.split('@') if len(netloc) != 2: invalidUrl() accountEnd = netloc[1].find('.blob.core.windows.net') if accountEnd == -1: invalidUrl() containerName, accountName = netloc[0], netloc[1][0:accountEnd] blobName = url.path[1:] # urlparse always includes a leading '/' blobService = BlobService(account_key=_fetchAzureAccountKey(accountName), account_name=accountName) return blobService, containerName, blobName @classmethod def _supportsUrl(cls, url, export=False): return url.scheme.lower() == 'wasb' or url.scheme.lower() == 'wasbs' def writeFile(self, localFilePath, jobStoreID=None): jobStoreFileID = self._newFileID() self.updateFile(jobStoreFileID, localFilePath) self._associateFileWithJob(jobStoreFileID, jobStoreID) return jobStoreFileID def updateFile(self, jobStoreFileID, localFilePath): with open(localFilePath) as read_fd: with self._uploadStream(jobStoreFileID, self.files) as write_fd: while True: buf = read_fd.read(self._maxAzureBlockBytes) write_fd.write(buf) if len(buf) == 0: break def readFile(self, jobStoreFileID, localFilePath): try: with self._downloadStream(jobStoreFileID, self.files) as read_fd: with open(localFilePath, 'w') as write_fd: while True: buf = read_fd.read(self._maxAzureBlockBytes) write_fd.write(buf) if not buf: break except AzureMissingResourceHttpError: raise NoSuchFileException(jobStoreFileID) def deleteFile(self, jobStoreFileID): try: self.files.delete_blob(blob_name=jobStoreFileID) self._dissociateFileFromJob(jobStoreFileID) except AzureMissingResourceHttpError: pass def fileExists(self, jobStoreFileID): # As Azure doesn't have a blob_exists method (at least in the # python API) we just try to download the metadata, and hope # the metadata is small so the call will be fast. try: self.files.get_blob_metadata(blob_name=jobStoreFileID) return True except AzureMissingResourceHttpError: return False @contextmanager def writeFileStream(self, jobStoreID=None): # TODO: this (and all stream methods) should probably use the # Append Blob type, but that is not currently supported by the # Azure Python API. jobStoreFileID = self._newFileID() with self._uploadStream(jobStoreFileID, self.files) as fd: yield fd, jobStoreFileID self._associateFileWithJob(jobStoreFileID, jobStoreID) @contextmanager def updateFileStream(self, jobStoreFileID): with self._uploadStream(jobStoreFileID, self.files, checkForModification=True) as fd: yield fd def getEmptyFileStoreID(self, jobStoreID=None): jobStoreFileID = self._newFileID() self.files.put_blob(blob_name=jobStoreFileID, blob='', x_ms_blob_type='BlockBlob') self._associateFileWithJob(jobStoreFileID, jobStoreID) return jobStoreFileID @contextmanager def readFileStream(self, jobStoreFileID): if not self.fileExists(jobStoreFileID): raise NoSuchFileException(jobStoreFileID) with self._downloadStream(jobStoreFileID, self.files) as fd: yield fd @contextmanager def writeSharedFileStream(self, sharedFileName, isProtected=None): assert self._validateSharedFileName(sharedFileName) sharedFileID = self._newFileID(sharedFileName) with self._uploadStream(sharedFileID, self.files, encrypted=isProtected) as fd: yield fd @contextmanager def readSharedFileStream(self, sharedFileName): assert self._validateSharedFileName(sharedFileName) sharedFileID = self._newFileID(sharedFileName) if not self.fileExists(sharedFileID): raise NoSuchFileException(sharedFileID) with self._downloadStream(sharedFileID, self.files) as fd: yield fd def writeStatsAndLogging(self, statsAndLoggingString): # TODO: would be a great use case for the append blobs, once implemented in the Azure SDK jobStoreFileID = self._newFileID() encrypted = self.keyPath is not None if encrypted: statsAndLoggingString = encryption.encrypt(statsAndLoggingString, self.keyPath) self.statsFiles.put_block_blob_from_text(blob_name=jobStoreFileID, text=statsAndLoggingString, x_ms_meta_name_values=dict( encrypted=str(encrypted))) self.statsFileIDs.insert_entity(entity={'RowKey': jobStoreFileID}) def readStatsAndLogging(self, callback, readAll=False): suffix = '_old' numStatsFiles = 0 for entity in self.statsFileIDs.query_entities(): jobStoreFileID = entity.RowKey hasBeenRead = len(jobStoreFileID) > self.jobIDLength if not hasBeenRead: with self._downloadStream(jobStoreFileID, self.statsFiles) as fd: callback(fd) # Mark this entity as read by appending the suffix self.statsFileIDs.insert_entity(entity={'RowKey': jobStoreFileID + suffix}) self.statsFileIDs.delete_entity(row_key=jobStoreFileID) numStatsFiles += 1 elif readAll: # Strip the suffix to get the original ID jobStoreFileID = jobStoreFileID[:-len(suffix)] with self._downloadStream(jobStoreFileID, self.statsFiles) as fd: callback(fd) numStatsFiles += 1 return numStatsFiles _azureTimeFormat = "%Y-%m-%dT%H:%M:%SZ" def getPublicUrl(self, jobStoreFileID): try: self.files.get_blob_properties(blob_name=jobStoreFileID) except AzureMissingResourceHttpError: raise NoSuchFileException(jobStoreFileID) # Compensate of a little bit of clock skew startTimeStr = (datetime.utcnow() - timedelta(minutes=5)).strftime(self._azureTimeFormat) endTime = datetime.utcnow() + self.publicUrlExpiration endTimeStr = endTime.strftime(self._azureTimeFormat) sap = SharedAccessPolicy(AccessPolicy(startTimeStr, endTimeStr, BlobSharedAccessPermissions.READ)) sas_token = self.files.generate_shared_access_signature(blob_name=jobStoreFileID, shared_access_policy=sap) return self.files.make_blob_url(blob_name=jobStoreFileID) + '?' + sas_token def getSharedPublicUrl(self, sharedFileName): jobStoreFileID = self._newFileID(sharedFileName) return self.getPublicUrl(jobStoreFileID) def _newJobID(self): # raw UUIDs don't work for Azure property names because the '-' character is disallowed. return str(uuid.uuid4()).replace('-', '_') # A dummy job ID under which all shared files are stored. sharedFileJobID = uuid.UUID('891f7db6-e4d9-4221-a58e-ab6cc4395f94') def _newFileID(self, sharedFileName=None): if sharedFileName is None: ret = str(uuid.uuid4()) else: ret = str(uuid.uuid5(self.sharedFileJobID, str(sharedFileName))) return ret.replace('-', '_') def _associateFileWithJob(self, jobStoreFileID, jobStoreID=None): if jobStoreID is not None: self.jobFileIDs.insert_entity(entity={'PartitionKey': jobStoreID, 'RowKey': jobStoreFileID}) def _dissociateFileFromJob(self, jobStoreFileID): entities = self.jobFileIDs.query_entities(filter="RowKey eq '%s'" % jobStoreFileID) if entities: assert len(entities) == 1 jobStoreID = entities[0].PartitionKey self.jobFileIDs.delete_entity(partition_key=jobStoreID, row_key=jobStoreFileID) def _getOrCreateTable(self, tableName): # This will not fail if the table already exists. for attempt in retry_azure(): with attempt: self.tableService.create_table(tableName) return AzureTable(self.tableService, tableName) def _getOrCreateBlobContainer(self, containerName): for attempt in retry_azure(): with attempt: self.blobService.create_container(containerName) return AzureBlobContainer(self.blobService, containerName) def _sanitizeTableName(self, tableName): """ Azure table names must start with a letter and be alphanumeric. This will never cause a collision if uuids are used, but otherwise may not be safe. """ return 'a' + filter(lambda x: x.isalnum(), tableName) # Maximum bytes that can be in any block of an Azure block blob # https://github.com/Azure/azure-storage-python/blob/4c7666e05a9556c10154508335738ee44d7cb104/azure/storage/blob/blobservice.py#L106 _maxAzureBlockBytes = 4 * 1024 * 1024 @contextmanager def _uploadStream(self, jobStoreFileID, container, checkForModification=False, encrypted=None): """ :param encrypted: True to enforce encryption (will raise exception unless key is set), False to prevent encryption or None to encrypt if key is set. """ if checkForModification: try: expectedVersion = container.get_blob_properties(blob_name=jobStoreFileID)['etag'] except AzureMissingResourceHttpError: expectedVersion = None if encrypted is None: encrypted = self.keyPath is not None elif encrypted: if self.keyPath is None: raise RuntimeError('Encryption requested but no key was provided') maxBlockSize = self._maxAzureBlockBytes if encrypted: # There is a small overhead for encrypted data. maxBlockSize -= encryption.overhead readable_fh, writable_fh = os.pipe() with os.fdopen(readable_fh, 'r') as readable: with os.fdopen(writable_fh, 'w') as writable: def reader(): blockIDs = [] try: while True: buf = readable.read(maxBlockSize) if len(buf) == 0: # We're safe to break here even if we never read anything, since # putting an empty block list creates an empty blob. break if encrypted: buf = encryption.encrypt(buf, self.keyPath) blockID = self._newFileID() container.put_block(blob_name=jobStoreFileID, block=buf, blockid=blockID) blockIDs.append(blockID) except: # This is guaranteed to delete any uncommitted # blocks. container.delete_blob(blob_name=jobStoreFileID) raise if checkForModification and expectedVersion is not None: # Acquire a (60-second) write lock, leaseID = container.lease_blob(blob_name=jobStoreFileID, x_ms_lease_action='acquire')['x-ms-lease-id'] # check for modification, blobProperties = container.get_blob_properties(blob_name=jobStoreFileID) if blobProperties['etag'] != expectedVersion: container.lease_blob(blob_name=jobStoreFileID, x_ms_lease_action='release', x_ms_lease_id=leaseID) raise ConcurrentFileModificationException(jobStoreFileID) # commit the file, container.put_block_list(blob_name=jobStoreFileID, block_list=blockIDs, x_ms_lease_id=leaseID, x_ms_meta_name_values=dict( encrypted=str(encrypted))) # then release the lock. container.lease_blob(blob_name=jobStoreFileID, x_ms_lease_action='release', x_ms_lease_id=leaseID) else: # No need to check for modification, just blindly write over whatever # was there. container.put_block_list(blob_name=jobStoreFileID, block_list=blockIDs, x_ms_meta_name_values=dict( encrypted=str(encrypted))) thread = ExceptionalThread(target=reader) thread.start() yield writable # The writable is now closed. This will send EOF to the readable and cause that # thread to finish. thread.join() @contextmanager def _downloadStream(self, jobStoreFileID, container): # The reason this is not in the writer is so we catch non-existant blobs early blobProps = container.get_blob_properties(blob_name=jobStoreFileID) encrypted = strict_bool(blobProps['x-ms-meta-encrypted']) if encrypted and self.keyPath is None: raise AssertionError('Content is encrypted but no key was provided.') readable_fh, writable_fh = os.pipe() with os.fdopen(readable_fh, 'r') as readable: with os.fdopen(writable_fh, 'w') as writable: def writer(): try: chunkStartPos = 0 fileSize = int(blobProps['Content-Length']) while chunkStartPos < fileSize: chunkEndPos = chunkStartPos + self._maxAzureBlockBytes - 1 buf = container.get_blob(blob_name=jobStoreFileID, x_ms_range="bytes=%d-%d" % (chunkStartPos, chunkEndPos)) if encrypted: buf = encryption.decrypt(buf, self.keyPath) writable.write(buf) chunkStartPos = chunkEndPos + 1 finally: # Ensure readers aren't left blocking if this thread crashes. # This close() will send EOF to the reading end and ultimately cause the # yield to return. It also makes the implict .close() done by the enclosing # "with" context redundant but that should be ok since .close() on file # objects are idempotent. writable.close() thread = ExceptionalThread(target=writer) thread.start() yield readable thread.join()
class AzureFS(LoggingMixIn, Operations): """Azure Blob Storage filesystem""" blobs = None containers = dict() # <cname, dict(stat:dict, #files:None|dict<fname, stat>) fds = dict() # <fd, (path, bytes, dirty)> fd = 0 def __init__(self, account, key): self.blobs = BlobService(account, key) self.rebuild_container_list() def convert_to_epoch(self, date): """Converts Tue, 31 Jul 2012 07:17:34 GMT format to epoch""" return int(time.mktime(time.strptime(date, TIME_FORMAT))) def rebuild_container_list(self): cmap = dict() cnames = set() for c in self.blobs.list_containers(): date = c.properties.last_modified cstat = dict(st_mode=(S_IFDIR | 0755), st_uid=getuid(), st_size=0, st_mtime=self.convert_to_epoch(date)) cname = c.name cmap['/' + cname] = dict(stat=cstat, files=None) cnames.add(cname) cmap['/'] = dict(files={}, stat=dict(st_mode=(S_IFDIR | 0755), st_uid=getuid(), st_size=0, st_mtime=int(time.time()))) self.containers = cmap # destroys fs tree cache resistant to misses def _parse_path(self, path): # returns </dir, file(=None)> if path.count('/') > 1: # file return str(path[:path.rfind('/')]), str(path[path.rfind('/') + 1:]) else: # dir pos = path.rfind('/', 1) if pos == -1: return path, None else: return str(path[:pos]), None def parse_container(self, path): base_container = path[1:] # /abc/def/g --> abc if base_container.find('/') > -1: base_container = base_container[:base_container.find('/')] return str(base_container) def _get_dir(self, path, contents_required=False): if not self.containers: self.rebuild_container_list() if path in self.containers and not (contents_required and \ self.containers[path]['files'] is None): return self.containers[path] cname = self.parse_container(path) if '/' + cname not in self.containers: raise FuseOSError(ENOENT) else: if self.containers['/' + cname]['files'] is None: # fetch contents of container log.info("------> CONTENTS NOT FOUND: %s" % cname) blobs = self.blobs.list_blobs(cname) dirstat = dict(st_mode=(S_IFDIR | 0755), st_size=0, st_uid=getuid(), st_mtime=time.time()) if self.containers['/' + cname]['files'] is None: self.containers['/' + cname]['files'] = dict() for f in blobs: blob_name = f.name blob_date = f.properties.last_modified blob_size = long(f.properties.content_length) node = dict(st_mode=(S_IFREG | 0644), st_size=blob_size, st_mtime=self.convert_to_epoch(blob_date), st_uid=getuid()) if blob_name.find('/') == -1: # file just under container self.containers['/' + cname]['files'][blob_name] = node return self.containers['/' + cname] return None def _get_file(self, path): d, f = self._parse_path(path) dir = self._get_dir(d, True) if dir is not None and f in dir['files']: return dir['files'][f] def getattr(self, path, fh=None): d, f = self._parse_path(path) if f is None: dir = self._get_dir(d) return dir['stat'] else: file = self._get_file(path) if file: return file raise FuseOSError(ENOENT) # FUSE def mkdir(self, path, mode): if path.count('/') <= 1: # create on root name = path[1:] if not 3 <= len(name) <= 63: log.error("Container names can be 3 through 63 chars long.") raise FuseOSError(ENAMETOOLONG) if name is not name.lower(): log.error("Container names cannot contain uppercase \ characters.") raise FuseOSError(EACCES) if name.count('--') > 0: log.error('Container names cannot contain consecutive \ dashes (-).') raise FuseOSError(EAGAIN) #TODO handle all "-"s must be preceded by letter or numbers #TODO starts with only letter or number, can contain letter, nr,'-' resp = self.blobs.create_container(name) if resp: self.rebuild_container_list() log.info("CONTAINER %s CREATED" % name) else: raise FuseOSError(EACCES) log.error("Invalid container name or container already \ exists.") else: raise FuseOSError(ENOSYS) # TODO support 2nd+ level mkdirs def rmdir(self, path): if path.count('/') == 1: c_name = path[1:] resp = self.blobs.delete_container(c_name) if resp: if path in self.containers: del self.containers[path] else: raise FuseOSError(EACCES) else: raise FuseOSError(ENOSYS) # TODO support 2nd+ level mkdirs def create(self, path, mode): node = dict(st_mode=(S_IFREG | mode), st_size=0, st_nlink=1, st_uid=getuid(), st_mtime=time.time()) d, f = self._parse_path(path) if not f: log.error("Cannot create files on root level: /") raise FuseOSError(ENOSYS) dir = self._get_dir(d, True) if not dir: raise FuseOSError(EIO) dir['files'][f] = node return self.open(path, data='') # reusing handler provider def open(self, path, flags=0, data=None): if data == None: # download contents c_name = self.parse_container(path) f_name = path[path.find('/', 1) + 1:] try: data = self.blobs.get_blob(c_name, f_name) except AzureMissingResourceHttpError: dir = self._get_dir('/' + c_name, True) if f_name in dir['files']: del dir['files'][f_name] raise FuseOSError(ENOENT) except AzureException as e: log.error("Read blob failed HTTP %d" % e.code) raise FuseOSError(EAGAIN) self.fd += 1 self.fds[self.fd] = (path, data, False) return self.fd def flush(self, path, fh=None): if not fh: raise FuseOSError(EIO) else: if fh not in self.fds: raise FuseOSError(EIO) path = self.fds[fh][0] data = self.fds[fh][1] dirty = self.fds[fh][2] if not dirty: return 0 # avoid redundant write d, f = self._parse_path(path) c_name = self.parse_container(path) if data is None: data = '' try: if len(data) < 64 * 1024 * 1024: # 64 mb self.blobs.put_blob(c_name, f, data, 'BlockBlob') else: # divide file by blocks and upload block_size = 8 * 1024 * 1024 num_blocks = int(math.ceil(len(data) * 1.0 / block_size)) rd = str(random.randint(1, 1e8)) block_ids = list() for i in range(num_blocks): part = data[i * block_size:min((i + 1) * block_size, len(data))] block_id = base64.encodestring('%s_%s' % (rd, (8 - len(str(i))) * '0' + str(i))) self.blobs.put_block(c_name, f, part, block_id) block_ids.append(block_id) self.blobs.put_block_list(c_name, f, block_ids) except AzureException: raise FuseOSError(EAGAIN) dir = self._get_dir(d, True) if not dir or f not in dir['files']: raise FuseOSError(EIO) # update local data dir['files'][f]['st_size'] = len(data) dir['files'][f]['st_mtime'] = time.time() self.fds[fh] = (path, data, False) # mark as not dirty return 0 def release(self, path, fh=None): if fh is not None and fh in self.fds: del self.fds[fh] def truncate(self, path, length, fh=None): return 0 # assume done, no need def write(self, path, data, offset, fh=None): if not fh or fh not in self.fds: raise FuseOSError(ENOENT) else: d = self.fds[fh][1] if d is None: d = "" self.fds[fh] = (self.fds[fh][0], d[:offset] + data, True) return len(data) def unlink(self, path): c_name = self.parse_container(path) d, f = self._parse_path(path) try: self.blobs.delete_blob(c_name, f) _dir = self._get_dir(path, True) if _dir and f in _dir['files']: del _dir['files'][f] return 0 except AzureMissingResourceHttpError: raise FuseOSError(ENOENT) except Exception as e: raise FuseOSError(EAGAIN) def readdir(self, path, fh): if path == '/': return ['.', '..'] + [x[1:] for x in self.containers.keys() \ if x is not '/'] dir = self._get_dir(path, True) if not dir: raise FuseOSError(ENOENT) return ['.', '..'] + dir['files'].keys() def read(self, path, size, offset, fh): if not fh or fh not in self.fds: raise FuseOSError(ENOENT) f_name = path[path.find('/', 1) + 1:] c_name = path[1:path.find('/', 1)] try: data = self.blobs.get_blob(c_name, f_name) self.fds[fh] = (self.fds[fh][0], data, False) return data[offset:offset + size] except URLError, e: if e.code == 404: raise FuseOSError(ENOENT) elif e.code == 403: raise FUSEOSError(EPERM) else: log.error("Read blob failed HTTP %d" % e.code) raise FuseOSError(EAGAIN) data = self.fds[fh][1] if data is None: data = "" return data[offset:offset + size]
'redis_server': os.environ['REDIS_SERVER'], 'instr_key': os.environ['INSTR_KEY'] } stor_acc_name = service_keys['stor_acc_name'] stor_acc_key = service_keys['stor_acc_key'] redis_pass = service_keys['redis_pass'] redis_server = service_keys['redis_server'] instr_key = service_keys['instr_key'] # storage account_name = stor_acc_name account_key = stor_acc_key blob_service = BlobService(account_name, account_key) blob_service.create_container('images') queue_service = QueueService(account_name, account_key) queue_service.create_queue('taskqueue') table_service = TableService(account_name, account_key) table_service.create_table('tasktable') r = redis.StrictRedis(host=redis_server, port=6380, db=0, password=redis_pass, ssl=True) tc = TelemetryClient(instr_key) @app.route('/') @app.route('/home') def form(): return render_template('form_submit.html')