def resizeimageandputinazure (strkey, url):
maxwidthandheight = 150
resize = False
bytes = urllib2.urlopen(url).read()
img = Image.open( io.BytesIO (bytes))
newwidth = img.width
newheight = img.height
if (newheight > newwidth and newheight > maxwidthandheight):
heightpercent = maxwidthandheight/float(newheight)
newheight = maxwidthandheight
newwidth = int((float(img.width)*float(heightpercent)))
resize = True
elif (newwidth > newheight and newwidth > maxwidthandheight):
widthpercent = maxwidthandheight/float(newwidth)
newwidth = maxwidthandheight
newheight = int((float(img.height)*float(widthpercent)))
resize = True
if resize:
newimg = img.resize((newwidth, newheight), Image.ANTIALIAS)
newimg.format = img.format
newio = io.BytesIO()
newimg.save (newio, 'JPEG')
bytes = newio.getvalue()
blob_service = BlobService(account_name='wanderight', account_key='gdmZeJOCx3HYlFPZZukUhHAfeGAu4cfHWGQZc3+HIpkBHjlznUDjhXMl5HWh5MgbjpJF09ZxRaET1JVF9S2MWQ==')
blob_service.put_block_blob_from_bytes(config['container'], 'images/' + strkey, bytes,
x_ms_blob_content_type='image/jpg', x_ms_meta_name_values={'url':url})
def download_azure_blob(account_name, account_key, file_uri, download_dir):
(blob_name, container_name) = parse_blob_uri(file_uri)
host_base = get_host_base_from_uri(file_uri)
download_path = os.path.join(download_dir, blob_name)
blob_service = BlobService(account_name, account_key, host_base=host_base)
max_retry = 3
for retry in range(1, max_retry + 1):
try:
blob_service.get_blob_to_path(container_name, blob_name, download_path)
except Exception:
hutil.error('Failed to download Azure blob, retry = ' + str(retry) + ', max_retry = ' + str(max_retry))
if retry != max_retry:
hutil.log('Sleep 10 seconds')
time.sleep(10)
else:
waagent.AddExtensionEvent(name=ExtensionShortName,
op=Operation.Download,
isSuccess=False,
message="(03303)Failed to download file from Azure Storage")
raise Exception('Failed to download azure blob: ' + blob_name)
waagent.AddExtensionEvent(name=ExtensionShortName,
op=Operation.Download,
isSuccess=True,
message="(03301)Succeeded to download file from Azure Storage")
return download_path
def store(image, entity, entity_id):
blob_service = BlobService(account_name='shnergledata',
account_key=os.environ['BLOB_KEY'])
myblob = image.read()
name = '/' + entity + '/' + entity_id
blob_service.put_blob('images', name, myblob, x_ms_blob_type='BlockBlob')
return True
def make_blob_sas_url(account_name,
account_key,
container_name,
blob_name,
permission='w',
duration=16):
"""
Generate a Blob SAS URL to allow a client to upload a file.
account_name: Storage account name.
account_key: Storage account key.
container_name: Storage container.
blob_name: Blob name.
duration: A timedelta representing duration until SAS expiration.
SAS start date will be utcnow() minus one minute. Expiry date
is start date plus duration.
Returns the SAS URL.
"""
sas = SharedAccessSignature(account_name, account_key)
resource_path = '%s/%s' % (container_name, blob_name)
date_format = "%Y-%m-%dT%H:%M:%SZ"
start = datetime.datetime.utcnow() - datetime.timedelta(minutes=5)
expiry = start + datetime.timedelta(minutes=duration)
sap = SharedAccessPolicy(AccessPolicy(
start.strftime(date_format),
expiry.strftime(date_format),
permission))
sas_token = sas.generate_signed_query_string(resource_path, 'b', sap)
blob_url = BlobService(account_name, account_key)
url = blob_url.make_blob_url(container_name=container_name, blob_name=blob_name, sas_token=sas_token)
return url
def download_azure_blob(account_name, account_key, file_uri, download_dir):
waagent.AddExtensionEvent(name=ExtensionShortName, op="EnableInProgress", isSuccess=True, message="Downloading from azure blob")
try:
(blob_name, container_name) = parse_blob_uri(file_uri)
host_base = get_host_base_from_uri(file_uri)
download_path = os.path.join(download_dir, blob_name)
blob_service = BlobService(account_name, account_key, host_base=host_base)
except Exception as e:
waagent.AddExtensionEvent(name=ExtensionShortName, op='DownloadInProgress', isSuccess=True, message='Enable failed with the azure storage error : {0}, stack trace: {1}'.format(str(e), traceback.format_exc()))
hutil.error('Failed to enable the extension with error: %s, stack trace: %s' %(str(e), traceback.format_exc()))
hutil.do_exit(1, 'Enable', 'error', '1', 'Enable failed: {0}'.format(e))
max_retry = 3
for retry in range(1, max_retry + 1):
try:
blob_service.get_blob_to_path(container_name, blob_name, download_path)
except Exception:
hutil.error('Failed to download Azure blob, retry = ' + str(retry) + ', max_retry = ' + str(max_retry))
if retry != max_retry:
hutil.log('Sleep 10 seconds')
time.sleep(10)
else:
waagent.AddExtensionEvent(name=ExtensionShortName,
op=Operation.Download,
isSuccess=False,
message="(03303)Failed to download file from Azure Storage")
raise Exception('Failed to download azure blob: ' + blob_name)
waagent.AddExtensionEvent(name=ExtensionShortName,
op=Operation.Download,
isSuccess=True,
message="(03301)Succeeded to download file from Azure Storage")
return download_path
def delete(self):
properties = self.__SMS.get_deployment_by_name(self.name, self.name)
media_link = properties.role_list.roles[0].os_virtual_hard_disk.media_link
storage_name = media_link[media_link.find("//") + 2:media_link.find(".blob")]
from Azure.AzureVolumes.AzureVolumes import AzureVolumescls
volume_service = AzureVolumescls(credentials=self._credentials)
volumes = volume_service.list_volumes()
volume_to_be_deleted = None
for volume in volumes:
if volume.instance_id == self.name:
volume_to_be_deleted = volume
break
self.__SMS.delete_deployment(self.name, self.name)
self.__SMS.delete_hosted_service(self.name)
volume_to_be_deleted.delete()
# delete image from storge
from azure.storage import BlobService
keys = self.__SMS.get_storage_account_keys(storage_name)
blob_service = BlobService(account_name=storage_name, account_key=keys.storage_service_keys.primary)
blob_service.delete_container(self.name, fail_not_exist=True)
def deprovision(instance_id):
"""
Deprovision an existing instance of this service
DELETE /v2/service_instances/<instance_id>:
<instance_id> is the Cloud Controller provided
value used to provision the instance
return:
As of API 2.3, an empty JSON document
is expected
"""
global subscription_id
global cert
global account_name
global account_key
if account_name and account_key:
blob_service = BlobService(account_name, account_key)
container_name = '{0}-{1}'.format(CONTAINER_NAME_PREFIX, instance_id)
blob_service.delete_container(container_name)
if account_name.startswith(STORAGE_ACCOUNT_NAME_PREFIX):
sms = ServiceManagementService(subscription_id, cert_file)
sms.delete_storage_account(account_name)
return jsonify({})
def get_image(album_name, image_name, username):
gallery_db = connect_to_db()
albums = gallery_db.albums
requested_album = albums.find_one({"name": album_name})
if not requested_album:
return redirect(url_for('static', filename='image_not_found.gif'))
if not (username in requested_album["write"] or username in requested_album["read"]):
return redirect(url_for('static', filename='image_not_found.gif'))
if image_name not in requested_album["images"]:
return redirect(url_for('static', filename='image_not_found.gif'))
try:
stats_download_timer = stats_client.timer("download timer")
# start to time the download
stats_download_timer.start()
blob_service = BlobService(account_name=ACCOUNT_NAME, account_key=ACCOUNT_KEY)
data = blob_service.get_blob_to_bytes(CONTAINER_NAME, image_name)
response = make_response(data)
response.headers["Content-Disposition"] = "filename=%s.jpg" % image_name
response.headers['Content-type'] = 'image/jpeg'
stats_download_timer.stop()
stats_client.incr("images downloaded", 1)
return response
except Exception as ex:
# TODO: different image in this case?
stats_download_timer.stop()
return redirect(url_for('static', filename='image_not_found.gif'))
def submit():
blob_service = BlobService(account_name=ACCOUNT_NAME, account_key=ACCOUNT_KEY)
# Get a SAS signature (read for 24 hours) for the input container save to a string
inputsig = sasUrl(account=ACCOUNT_NAME, key=ACCOUNT_KEY, container=INPUT_CONTAINER, permission='r')
# Get a SAS signature (write for 24 hours) for the output container save to a string
outputsig = sasUrl(account = ACCOUNT_NAME, key = ACCOUNT_KEY, container = OUTPUT_CONTAINER, permission = 'rwl')
# List all the blobs and dump the content to a string
blobs = blob_service.list_blobs(INPUT_CONTAINER)
bloblist = []
for blob in blobs:
bloblist.append(blob.name)
os.environ[SLURMDEMO_INPUTSIG] = inputsig
os.environ[SLURMDEMO_OUTPUTSIG] = outputsig
os.environ[SLURMDEMO_BLOBLIST] = json.dumps(bloblist)
os.environ[SLURMDEMO_INPUTCONTAINER] = INPUT_CONTAINER
os.environ[SLURMDEMO_OUTPUTCONTAINER] = OUTPUT_CONTAINER
os.environ[SLURMDEMO_INPUTACCOUNT] = ACCOUNT_NAME
os.environ[SLURMDEMO_OUTPUTACCOUNT] = ACCOUNT_NAME
# Call sbatch
cli = "sbatch --array=0-{nb} slurmdemo.sh".format(nb=len(bloblist))
run(cli, showoutput=True)
def handle_noargs(self, **options):
try:
blob_service = BlobService(AZURE_ACCOUNT_NAME, AZURE_ACCOUNT_KEY)
mixes = Mix.objects.filter(archive_updated=False)
c = len(mixes)
i = 1
for mix in mixes:
try:
blob_name = "%s.%s" % (mix.uid, mix.filetype)
blob = blob_service.get_blob(AZURE_CONTAINER, blob_name)
if blob:
download_name = smart_str('Deep South Sounds - %s.%s' %
(mix.title, mix.filetype))
blob_service.set_blob_properties(
AZURE_CONTAINER,
blob_name,
x_ms_blob_content_type='application/octet-stream',
x_ms_blob_content_disposition='attachment;filename="%s"' % (download_name)
)
print "Processed: %s (%d of %d)" % (mix.uid, i, c)
i = i + 1
mix.archive_updated = True
mix.save()
else:
print "No blob found for: %s" % mix.uid
except WindowsAzureMissingResourceError:
print "No blob found for: %s" % mix.uid
except Exception, ex:
print "Error processing blob %s: %s" % (mix.uid, ex.message)
except Exception, ex:
print "Fatal error, bailing. %s" % (ex.message)
def remove_image(album_name, username):
gallery_db = connect_to_db()
albums = gallery_db.albums
requested_album = albums.find_one({"name": album_name})
if not requested_album:
return redirect(url_for('albums', album =album_name, message="album not found"))
if not username in requested_album["write"]:
return redirect(url_for('albums', album = album_name, message="permission denied"))
image = request.form.get('image', '')
if not image:
return redirect(url_for('albums', album=album_name, message="no image was chosen for removal"))
blob_service = BlobService(account_name=ACCOUNT_NAME, account_key=ACCOUNT_KEY)
try:
blob_service.delete_blob(CONTAINER_NAME, image)
except WindowsAzureMissingResourceError:
# Even if the file is not in the blob storage, we want to remove it from the album
pass
gallery_db.albums.update({'name': album_name}, {'$pull': {'images': image}})
# increment the counter of the removed images
stats_client.incr("images removed", 1)
return redirect(url_for('albums', album=album_name))
def add_image(album_name, username):
gallery_db = connect_to_db()
albums = gallery_db.albums
requested_album = albums.find_one({"name": album_name})
if not requested_album:
return redirect(url_for('albums', album =album_name, message="album not found"))
if not username in requested_album["write"]:
return redirect(url_for('albums', album = album_name, message="permission denied"))
if 'image[]' not in request.files:
return redirect(url_for('albums', album = album_name, message="no file uploaded"))
for req_file in request.files.getlist('image[]'):
file_name = uuid.uuid4().hex
stats_upload_timer = stats_client.timer("upload timer")
stats_upload_timer.start()
blob_service = BlobService(account_name=ACCOUNT_NAME, account_key=ACCOUNT_KEY)
blob_service.put_block_blob_from_file(CONTAINER_NAME, file_name, req_file.stream)
gallery_db.albums.update({'name': album_name}, {'$push': {'images': file_name}})
stats_upload_timer.stop()
# increment the counter of the uploaded images
stats_client.incr("images uploaded", len(request.files.getlist('image[]')))
return redirect(url_for('albums', album = album_name))
def upload_documents():
data = request.json.get('data', None)
if not data:
return jsonify(status=400, message='No file content passed')
data = data.decode("base64")
upload_handler = get_upload_handler()
# force is a flag that signals to upload the current file even if it was uploaded before
force = request.json.get('force', None)
if force is None or force.lower() != "true":
if upload_handler.is_file_already_uploaded(data, current_user.get_id()):
return jsonify(status=400, message='File content was already uploaded. Force upload by adding the force boolean')
blob_service = BlobService(account_name=BLOB_ACCOUNT_NAME, account_key=BLOB_ACCOUNT_KEY)
filename = uuid.uuid4().hex
# put the data in the container using a random filename
blob_service.put_block_blob_from_bytes(BLOB_CONTAINER_NAME, filename, data)
task_collection = get_db().task_collection
# update the task db with the new task (which is parsing the new data file)
task_id = upload_handler.update_uploaded_file(filename, data, current_user.get_id())
return jsonify(status=200, message='Task created successfully', task_id=task_id)
def test_azure_call(request):
import os
try:
from azure.storage import BlobService
bs = BlobService(os.environ["AZURE_STORAGE_ACCOUNT"], os.environ["AZURE_STORAGE_ACCESS_KEY"])
import random
container_name = hex(int(random.random() * 1000000000))
bs.create_container(container_name)
bs.put_blob(container_name, 'testblob', 'hello world\n', 'BlockBlob')
blob = bs.get_blob(container_name, 'testblob')
if blob != 'hello world\n':
return HttpResponse("Failed!", status = '404')
bs.delete_blob(container_name, 'testblob')
bs.delete_container(container_name)
return HttpResponse("Succeeded!")
except:
try:
import traceback
return HttpResponse(traceback.format_exc() + str(os.environ.keys()))
except:
import traceback
return HttpResponse(traceback.format_exc())
class AzureTransfer(BaseTransfer):
def __init__(self, account_name, account_key, container_name):
BaseTransfer.__init__(self)
self.account_name = account_name
self.account_key = account_key
self.container_name = container_name
self.conn = BlobService(account_name=self.account_name, account_key=self.account_key)
self.container = self.get_or_create_container(self.container_name)
self.log.debug("AzureTransfer initialized")
def get_metadata_for_key(self, key):
key = fix_path(key)
return self.list_path(key)[0]['metadata']
def list_path(self, path):
return_list = []
path = fix_path(path)
self.log.info("Asking for listing of: %r", path)
for r in self.conn.list_blobs(self.container_name, prefix=path, delimiter="/",
include="metadata"):
entry = {"name": r.name, "size": r.properties.content_length,
"last_modified": dateutil.parser.parse(r.properties.last_modified),
"metadata": r.metadata}
return_list.append(entry)
return return_list
def delete_key(self, key_name):
key_name = fix_path(key_name)
self.log.debug("Deleting key: %r", key_name)
return self.conn.delete_blob(self.container_name, key_name)
def get_contents_to_file(self, obj_key, filepath_to_store_to):
obj_key = fix_path(obj_key)
self.log.debug("Starting to fetch the contents of: %r to: %r", obj_key, filepath_to_store_to)
return self.conn.get_blob_to_path(self.container_name, obj_key, filepath_to_store_to)
def get_contents_to_string(self, obj_key):
obj_key = fix_path(obj_key)
self.log.debug("Starting to fetch the contents of: %r", obj_key)
return self.conn.get_blob_to_bytes(self.container_name, obj_key), self.get_metadata_for_key(obj_key)
def store_file_from_memory(self, key, memstring, metadata=None):
# For whatever reason Azure requires all values to be strings at the point of sending
metadata_to_send = dict((str(k), str(v)) for k, v in metadata.items())
self.conn.put_block_blob_from_bytes(self.container_name, key, memstring,
x_ms_meta_name_values=metadata_to_send)
def store_file_from_disk(self, key, filepath, metadata=None):
# For whatever reason Azure requires all values to be strings at the point of sending
metadata_to_send = dict((str(k), str(v)) for k, v in metadata.items())
self.conn.put_block_blob_from_path(self.container_name, key, filepath,
x_ms_meta_name_values=metadata_to_send)
def get_or_create_container(self, container_name):
start_time = time.time()
self.conn.create_container(container_name)
self.log.debug("Got/Created container: %r successfully, took: %.3fs", container_name, time.time() - start_time)
return container_name
def main():
service = BlobService(
credentials.getStorageServicesName(),
credentials.getStorageServicesKey(),
)
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 download_file(container, path, dest):
blob_service = BlobService(account_name=storage_name, account_key=storage_key)
loop = 0
while True:
try:
blob_service.get_blob_to_path(container, path, dest)
break
except azure.http.HTTPError as e:
loop = loop + 1
if loop >= 3:
return
def upload_chunck(buf, path, storagename, container, key):
blob_service = BlobService(account_name=storagename, account_key=key)
loop = 0;
while True:
try:
blob_service.put_block_blob_from_bytes(container,path,buf)
break
except (azure.http.HTTPError, TimeoutError) as e:
loop = loop + 1
if loop >= 3:
raise e
def download_chunck(path, storagename, container, key):
blob_service = BlobService(account_name=storagename, account_key=key)
loop = 0
while True:
try:
return blob_service.get_blob_to_bytes(container, path)
except (azure.http.HTTPError, TimeoutError) as e:
loop = loop + 1
if loop >= 3:
raise e
def upload_log():
blob_service = BlobService(account_name=os.getenv('ACC_NAME'), account_key=os.getenv('ACCESS_KEY'))
fpath = os.path.join(os.getenv('LOGS_DIR'),"log.log")
blob_service.put_block_blob_from_path(
'log',
"log.log",
fpath,
x_ms_blob_content_type="text/plain"
)
def download_blob(storage_account_name, storage_account_key, blob_uri, seqNo, command):
container_name = get_container_name_from_uri(blob_uri)
blob_name = get_blob_name_from_uri(blob_uri)
download_dir = get_download_directory(seqNo)
download_path = os.path.join(download_dir, blob_name)
# Guest agent already ensure the plugin is enabled one after another. The blob download will not conflict.
blob_service = BlobService(storage_account_name, storage_account_key)
try:
blob_service.get_blob_to_path(container_name, blob_name, download_path)
except Exception, e:
hutil.error("Failed to download blob with uri:" + blob_uri + "with error:" + str(e))
raise
def create_blob(blob, txt):
uri = blob.uri
host_base = cs.get_host_base_from_uri(uri)
service = BlobService(blob.name,
blob.key,
host_base=host_base)
container_name = cs.get_container_name_from_uri(uri)
blob_name = cs.get_blob_name_from_uri(uri)
service.put_block_blob_from_text(container_name,
blob_name,
txt)
def list_files_from_path(container, path):
blob_service = BlobService(account_name=storage_name, account_key=storage_key)
next_marker = None
results = []
while True:
blobs = blob_service.list_blobs(container, prefix=path, maxresults=2000, marker=next_marker)
for blob in blobs:
results.append(blob.name)
next_marker = blobs.next_marker
if not next_marker:
break
return results
def main(argv):
options = _parse_options(argv)
blob_service = BlobService(options[_opt_azure_acc_name], options[_opt_azure_acc_key])
_print_container_names(blob_service)
blob_service.create_container(options[_opt_azure_container_name])
_print_blobs(blob_service, options[_opt_azure_container_name])
export_dir = _export_repo(options)
export_zip = _zip_export(export_dir)
_upload_zip(blob_service, options[_opt_azure_container_name], export_zip)
def delete_video(id):
vs_operator = videostoreoperator.VideoStoreOperator()
video_detils = vs_operator.get(id)
vs_operator.delete(id)
count = len(video_detils.chuncks)
for i in range(count):
chk = video_detils.chuncks[i]
blob_service = BlobService(account_name=chk.storagename, account_key=chk.key)
try:
blob_service.delete_blob(chk.container, chk.path)
except azure.WindowsAzureMissingResourceError:
pass
def connect(config=False):
# Connect to the cloud service.
if not config: config = misc.config['_private']
from azure.storage import BlobService
container = 'streams'
if not 'azure' in config:
return None, None
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 _deleteBlob(self, storageAccount, mediaLink):
primary = self._getStorageAccountKey(storageAccount)
# BlobServiceオブジェクトを作成
blobService = BlobService(storageAccount, primary)
(container, blob) = self._getBlobFromMediaLink(blobService, mediaLink)
rs = blobService.delete_blob(container_name=container.name, blob_name=blob.name)
try:
updatedBlob = blobService.get_blob_properties(container_name=container.name, blob_name=blob.name)
except WindowsAzureMissingResourceError as e:
return True
return False
def create_container(storage_account_name, container_name, storage_keys):
"""
Creates a file share in the specified Microsoft Azure Storage account.
A container is like a folder within a storage account
:param storage_account_name:
:param container_name:
:param storage_keys:
:return:
"""
logging.info('Creating Container \'{0}\' in Storage account {1}'.format(container_name, storage_account_name))
blob_svc = BlobService(account_name=storage_account_name, account_key=storage_keys.storage_service_keys.primary)
blob_svc.create_container(container_name)
logging.info('Creating Container \'{0}\' in Storage account {1} complete'.format(container_name, storage_account_name))
def run(itk_source_dir, externaldata_object_store, account_name, account_key):
blob_service = BlobService(account_name=account_name,
account_key=account_key)
blobs = blob_service.list_blobs('md5')
current_blobs = [blob.name for blob in blobs]
md5files = []
for root, dirnames, filenames in os.walk(itk_source_dir):
for filename in fnmatch.filter(filenames, '*.md5'):
md5files.append(os.path.join(root, filename))
for content_link in md5files:
upload_to_azure(content_link, externaldata_object_store,
blob_service, current_blobs)
def _ensureStorageContainersExist(self):
"""
Creates Blob storage containers required by the service.
"""
logger.info("Checking for existence of Blob containers.")
account_name = self.config.getServiceStorageAccountName()
account_key = self._getStorageAccountKey(account_name)
blob_service = BlobService(account_name, account_key)
name_and_access_list = [(self.config.getServicePublicStorageContainer(), 'blob'),
(self.config.getServiceBundleStorageContainer(), None)]
for name, access in name_and_access_list:
logger.info("Checking for existence of Blob container %s.", name)
blob_service.create_container(name, x_ms_blob_public_access=access, fail_on_exist=False)
access_info = 'private' if access is None else 'public {0}'.format(access)
logger.info("Blob container %s is ready (access: %s).", name, access_info)
blob_analysis = 'analysis'
imagesQueue = 'imagesqueue'
tableName = 'photos'
tablePartitionKey = 'allphotos'
# Get queue credentials
# accountName = environ["AZURE_STORAGE_ACCOUNT"]
with open("ASA.key", "r") as myfile:
accountName = myfile.read().replace('\n', '')
# accountKey = environ["AZURE_STORAGE_ACCESS_KEY"]
with open("ASK.key", "r") as myfile:
accountKey = myfile.read().replace('\n', '')
# Create blob service
blob_service = BlobService(account_name=accountName, account_key=accountKey)
blob_service.create_container(blob_container)
blob_service.create_container(blob_analysis)
# Open queue with given credentials
queue_service = QueueService(account_name=accountName, account_key=accountKey)
# Open table service
table_service = TableService(account_name=accountName, account_key=accountKey)
# Analysis results
results = None
# Regions for analysis
region = 4
# Repeat
f = 'C:/Users/' + comp_user + '/Simulations/AzureUsers.pickle'
if os.path.exists(f):
users = AzureUserPool.AzureUserPool()
users.user_list = pickle.load(file(f))
else:
users = AzureUserPool.AzureUserPool()
# Create service management object
subscription_id = 'a9401417-cb08-4e67-bc2a-613f49b46f8a'
certificate_path = 'CURRENT_USER\\my\\AzureCertificate'
sms = ServiceManagementService(subscription_id, certificate_path)
# Create blob service object
blob_service = BlobService(
account_name='portalvhdsd3d1018q65tg3',
account_key=
'cAT5jbypcHrN7sbW/CHgGFDGSvOpyhw6VE/yHubS799egkHfvPeeXuK7uzc6H2C8ZU1ALiyOFEZkjzWuSyfc+A=='
)
# Test the service management object
try:
sms.get_subscription()
except:
stderr.write(
"An error occurred while connecting to Azure Service Management. Please, check your service "
"management certificate.")
exit(1)
# Check for command line arguments
UI = True
class AzureStorageBlockDeviceAPI(object):
"""
An ``IBlockDeviceAsyncAPI`` which uses Azure Storage Backed Block Devices
Current Support: Azure SMS API
"""
def __init__(self, **azure_config):
"""
:param ServiceManagement azure_client: an instance of the azure
serivce managment api client.
:param String service_name: The name of the cloud service
:param
names of Azure volumes to identify cluster
:returns: A ``BlockDeviceVolume``.
"""
self._instance_id = self.compute_instance_id()
self._azure_service_client = ServiceManagementService(
azure_config['subscription_id'],
azure_config['management_certificate_path'])
self._service_name = azure_config['service_name']
self._azure_storage_client = BlobService(
azure_config['storage_account_name'],
azure_config['storage_account_key'])
self._storage_account_name = azure_config['storage_account_name']
self._disk_container_name = azure_config['disk_container_name']
if azure_config['debug']:
to_file(sys.stdout)
def allocation_unit(self):
"""
1GiB is the minimum allocation unit for azure disks
return int: 1 GiB
"""
return int(GiB(1).to_Byte().value)
def compute_instance_id(self):
"""
Azure Stored a UUID in the SDC kernel module.
"""
# Node host names should be unique within a vnet
return unicode(socket.gethostname())
def create_volume(self, dataset_id, size):
"""
Create a new volume.
:param UUID dataset_id: The Flocker dataset ID of the dataset on this
volume.
:param int size: The size of the new volume in bytes.
:returns: A ``Deferred`` that fires with a ``BlockDeviceVolume`` when
the volume has been created.
"""
size_in_gb = Byte(size).to_GiB().value
if size_in_gb % 1 != 0:
raise UnsupportedVolumeSize(dataset_id)
self._create_volume_blob(size, dataset_id)
label = self._disk_label_for_dataset_id(str(dataset_id))
return BlockDeviceVolume(
blockdevice_id=unicode(label),
size=size,
attached_to=None,
dataset_id=self._dataset_id_for_disk_label(label))
def destroy_volume(self, blockdevice_id):
"""
Destroy an existing volume.
:param unicode blockdevice_id: The unique identifier for the volume to
destroy.
:raises UnknownVolume: If the supplied ``blockdevice_id`` does not
exist.
:return: ``None``
"""
log_info('Destorying block device: ' + str(blockdevice_id))
(target_disk, role_name, lun) = \
self._get_disk_vmname_lun(blockdevice_id)
if target_disk is None:
raise UnknownVolume(blockdevice_id)
request = None
if lun is not None:
request = \
self._azure_service_client.delete_data_disk(
service_name=self._service_name,
deployment_name=self._service_name,
role_name=target_disk.attached_to.role_name,
lun=lun,
delete_vhd=True)
else:
if target_disk.__class__.__name__ == 'Blob':
# unregistered disk
self._azure_storage_client.delete_blob(
self._disk_container_name, target_disk.name)
else:
request = self._azure_service_client.delete_disk(
target_disk.name, True)
if request is not None:
self._wait_for_async(request.request_id, 5000)
self._wait_for_detach(blockdevice_id)
def attach_volume(self, blockdevice_id, attach_to):
"""
Attach ``blockdevice_id`` to ``host``.
:param unicode blockdevice_id: The unique identifier for the block
device being attached.
:param unicode attach_to: An identifier like the one returned by the
``compute_instance_id`` method indicating the node to which to
attach the volume.
:raises UnknownVolume: If the supplied ``blockdevice_id`` does not
exist.
:raises AlreadyAttachedVolume: If the supplied ``blockdevice_id`` is
already attached.
:returns: A ``BlockDeviceVolume`` with a ``host`` attribute set to
``host``.
"""
(target_disk, role_name, lun) = \
self._get_disk_vmname_lun(blockdevice_id)
if target_disk is None:
raise UnknownVolume(blockdevice_id)
if lun is not None:
raise AlreadyAttachedVolume(blockdevice_id)
log_info('Attempting to attach ' + str(blockdevice_id) + ' to ' +
str(attach_to))
disk_size = self._attach_disk(blockdevice_id, target_disk, attach_to)
self._wait_for_attach(blockdevice_id)
log_info('disk attached')
return self._blockdevicevolume_from_azure_volume(
blockdevice_id, disk_size, attach_to)
def detach_volume(self, blockdevice_id):
"""
Detach ``blockdevice_id`` from whatever host it is attached to.
:param unicode blockdevice_id: The unique identifier for the block
device being detached.
:raises UnknownVolume: If the supplied ``blockdevice_id`` does not
exist.
:raises UnattachedVolume: If the supplied ``blockdevice_id`` is
not attached to anything.
:returns: ``None``
"""
(target_disk, role_name, lun) = \
self._get_disk_vmname_lun(blockdevice_id)
if target_disk is None:
raise UnknownVolume(blockdevice_id)
if lun is None:
raise UnattachedVolume(blockdevice_id)
# contrary to function name it doesn't delete by default, just detachs
request = \
self._azure_service_client.delete_data_disk(
service_name=self._service_name,
deployment_name=self._service_name,
role_name=role_name, lun=lun)
self._wait_for_async(request.request_id, 5000)
self._wait_for_detach(blockdevice_id)
def get_device_path(self, blockdevice_id):
"""
Return the device path that has been allocated to the block device on
the host to which it is currently attached.
:param unicode blockdevice_id: The unique identifier for the block
device.
:raises UnknownVolume: If the supplied ``blockdevice_id`` does not
exist.
:raises UnattachedVolume: If the supplied ``blockdevice_id`` is
not attached to a host.
:returns: A ``FilePath`` for the device.
"""
(target_disk_or_blob, role_name, lun) = \
self._get_disk_vmname_lun(blockdevice_id)
if target_disk_or_blob is None:
raise UnknownVolume(blockdevice_id)
if lun is None:
raise UnattachedVolume(blockdevice_id)
return Lun.get_device_path_for_lun(lun)
def list_volumes(self):
"""
List all the block devices available via the back end API.
:returns: A ``list`` of ``BlockDeviceVolume``s.
"""
media_url_prefix = 'https://' + self._storage_account_name \
+ '.blob.core.windows.net/' + self._disk_container_name
disks = self._azure_service_client.list_disks()
disk_list = []
all_blobs = self._get_flocker_blobs()
for d in disks:
if media_url_prefix not in d.media_link or \
'flocker-' not in d.label:
continue
role_name = None
if d.attached_to is not None \
and d.attached_to.role_name is not None:
role_name = d.attached_to.role_name
disk_list.append(
self._blockdevicevolume_from_azure_volume(
d.label, self._gibytes_to_bytes(d.logical_disk_size_in_gb),
role_name))
if d.label in all_blobs:
del all_blobs[d.label]
for key in all_blobs:
# include unregistered 'disk' blobs
disk_list.append(
self._blockdevicevolume_from_azure_volume(
all_blobs[key].name,
all_blobs[key].properties.content_length, None))
return disk_list
def _attach_disk(self, blockdevice_id, target_disk, attach_to):
"""
Attaches disk to specified VM
:param string blockdevice_id: The identifier of the disk
:param DataVirtualHardDisk/Blob target_disk: The Blob
or Disk to be attached
:returns int: The size of the attached disk
"""
lun = Lun.compute_next_lun(self._azure_service_client,
self._service_name, str(attach_to))
common_params = {
'service_name': self._service_name,
'deployment_name': self._service_name,
'role_name': attach_to,
'lun': lun
}
disk_size = None
if target_disk.__class__.__name__ == 'Blob':
# exclude 512 byte footer
disk_size = target_disk.properties.content_length
common_params['source_media_link'] = \
'https://' + self._storage_account_name \
+ '.blob.core.windows.net/' + self._disk_container_name \
+ '/' + blockdevice_id
common_params['disk_label'] = blockdevice_id
else:
disk_size = self._gibytes_to_bytes(
target_disk.logical_disk_size_in_gb)
common_params['disk_name'] = target_disk.name
request = self._azure_service_client.add_data_disk(**common_params)
self._wait_for_async(request.request_id, 5000)
return disk_size
def _create_volume_blob(self, size, dataset_id):
# Create a new page blob as a blank disk
self._azure_storage_client.put_blob(
container_name=self._disk_container_name,
blob_name=self._disk_label_for_dataset_id(dataset_id),
blob=None,
x_ms_blob_type='PageBlob',
x_ms_blob_content_type='application/octet-stream',
x_ms_blob_content_length=size)
# for disk to be a valid vhd it requires a vhd footer
# on the last 512 bytes
vhd_footer = Vhd.generate_vhd_footer(size)
self._azure_storage_client.put_page(
container_name=self._disk_container_name,
blob_name=self._disk_label_for_dataset_id(dataset_id),
page=vhd_footer,
x_ms_page_write='update',
x_ms_range='bytes=' + str((size - 512)) + '-' + str(size - 1))
def _disk_label_for_dataset_id(self, dataset_id):
"""
Returns a disk label for a given Dataset ID
:param unicode dataset_id: The identifier of the dataset
:returns string: A string representing the disk label
"""
label = 'flocker-' + str(dataset_id)
return label
def _dataset_id_for_disk_label(self, disk_label):
"""
Returns a UUID representing the Dataset ID for the given disk
label
:param string disk_label: The disk label
:returns UUID: The UUID of the dataset
"""
return UUID(disk_label.replace('flocker-', ''))
def _get_disk_vmname_lun(self, blockdevice_id):
target_disk = None
target_lun = None
role_name = None
disk_list = self._azure_service_client.list_disks()
for d in disk_list:
if 'flocker-' not in d.label:
continue
if d.label == str(blockdevice_id):
target_disk = d
break
if target_disk is None:
# check for unregisterd disk
blobs = self._get_flocker_blobs()
blob = None
if str(blockdevice_id) in blobs:
blob = blobs[str(blockdevice_id)]
return blob, None, None
vm_info = None
if hasattr(target_disk.attached_to, 'role_name'):
vm_info = self._azure_service_client.get_role(
self._service_name, self._service_name,
target_disk.attached_to.role_name)
for d in vm_info.data_virtual_hard_disks:
if d.disk_name == target_disk.name:
target_lun = d.lun
break
role_name = target_disk.attached_to.role_name
return (target_disk, role_name, target_lun)
def _get_flocker_blobs(self):
all_blobs = {}
blobs = self._azure_storage_client.list_blobs(
self._disk_container_name, prefix='flocker-')
for b in blobs:
# todo - this could be big!
all_blobs[b.name] = b
return all_blobs
def _wait_for_detach(self, blockdevice_id):
role_name = ''
lun = -1
timeout_count = 0
log_info('waiting for azure to ' + 'report disk as detached...')
while role_name is not None or lun is not None:
(target_disk, role_name, lun) = \
self._get_disk_vmname_lun(blockdevice_id)
time.sleep(1)
timeout_count += 1
if timeout_count > 5000:
raise AsynchronousTimeout()
log_info('Disk Detached')
def _wait_for_attach(self, blockdevice_id):
timeout_count = 0
lun = None
log_info('waiting for azure to report disk as attached...')
while lun is None:
(target_disk, role_name, lun) = \
self._get_disk_vmname_lun(blockdevice_id)
time.sleep(.001)
timeout_count += 1
if timeout_count > 5000:
raise AsynchronousTimeout()
def _wait_for_async(self, request_id, timeout):
count = 0
result = self._azure_service_client.get_operation_status(request_id)
while result.status == 'InProgress':
count = count + 1
if count > timeout:
log_error('Timed out waiting for async operation to complete.')
raise AsynchronousTimeout()
time.sleep(.001)
log_info('.')
result = self._azure_service_client.get_operation_status(
request_id)
if result.error:
log_error(result.error.code)
log_error(str(result.error.message))
log_error(result.status + ' in ' + str(count * 5) + 's')
def _gibytes_to_bytes(self, size):
return int(GiB(size).to_Byte().value)
def _blockdevicevolume_from_azure_volume(self, label, size,
attached_to_name):
# azure will report the disk size excluding the 512 byte footer
# however flocker expects the exact value it requested for disk size
# so offset the reported size to flocker by 512 bytes
return BlockDeviceVolume(
blockdevice_id=unicode(label),
size=int(size),
attached_to=attached_to_name,
dataset_id=self._dataset_id_for_disk_label(
label)) # disk labels are formatted as flocker-<data_set_id>
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 WindowsAzureMissingResourceError:
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 WindowsAzureMissingResourceError:
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)
class AzureBackend(duplicity.backend.Backend):
"""
Backend for Azure Blob Storage Service
"""
def __init__(self, parsed_url):
duplicity.backend.Backend.__init__(self, parsed_url)
# Import Microsoft Azure Storage SDK for Python library.
try:
import azure
import azure.storage
if hasattr(azure.storage, 'BlobService'):
# v0.11.1 and below
from azure.storage import BlobService
self.AzureMissingResourceError = azure.WindowsAzureMissingResourceError
self.AzureConflictError = azure.WindowsAzureConflictError
else:
# v1.0.0 and above
import azure.storage.blob
if hasattr(azure.storage.blob, 'BlobService'):
from azure.storage.blob import BlobService
else:
from azure.storage.blob.blockblobservice import BlockBlobService as BlobService
self.AzureMissingResourceError = azure.common.AzureMissingResourceHttpError
self.AzureConflictError = azure.common.AzureConflictHttpError
except ImportError as e:
raise BackendException("""\
Azure backend requires Microsoft Azure Storage SDK for Python (https://pypi.python.org/pypi/azure-storage/).
Exception: %s""" % str(e))
# TODO: validate container name
self.container = parsed_url.path.lstrip('/')
if 'AZURE_ACCOUNT_NAME' not in os.environ:
raise BackendException(
'AZURE_ACCOUNT_NAME environment variable not set.')
if 'AZURE_ACCOUNT_KEY' in os.environ:
if 'AZURE_ENDPOINT_SUFFIX' in os.environ:
self.blob_service = BlobService(
account_name=os.environ['AZURE_ACCOUNT_NAME'],
account_key=os.environ['AZURE_ACCOUNT_KEY'],
endpoint_suffix=os.environ['AZURE_ENDPOINT_SUFFIX'])
else:
self.blob_service = BlobService(
account_name=os.environ['AZURE_ACCOUNT_NAME'],
account_key=os.environ['AZURE_ACCOUNT_KEY'])
self._create_container()
elif 'AZURE_SHARED_ACCESS_SIGNATURE' in os.environ:
if 'AZURE_ENDPOINT_SUFFIX' in os.environ:
self.blob_service = BlobService(
account_name=os.environ['AZURE_ACCOUNT_NAME'],
sas_token=os.environ['AZURE_SHARED_ACCESS_SIGNATURE'],
endpoint_suffix=os.environ['AZURE_ENDPOINT_SUFFIX'])
else:
self.blob_service = BlobService(
account_name=os.environ['AZURE_ACCOUNT_NAME'],
sas_token=os.environ['AZURE_SHARED_ACCESS_SIGNATURE'])
else:
raise BackendException(
'Neither AZURE_ACCOUNT_KEY nor AZURE_SHARED_ACCESS_SIGNATURE environment variable not set.'
)
if globals.azure_max_single_put_size:
# check if we use azure-storage>=0.30.0
try:
_ = self.blob_service.MAX_SINGLE_PUT_SIZE
self.blob_service.MAX_SINGLE_PUT_SIZE = globals.azure_max_single_put_size
# fallback for azure-storage<0.30.0
except AttributeError:
self.blob_service._BLOB_MAX_DATA_SIZE = globals.azure_max_single_put_size
if globals.azure_max_block_size:
# check if we use azure-storage>=0.30.0
try:
_ = self.blob_service.MAX_BLOCK_SIZE
self.blob_service.MAX_BLOCK_SIZE = globals.azure_max_block_size
# fallback for azure-storage<0.30.0
except AttributeError:
self.blob_service._BLOB_MAX_CHUNK_DATA_SIZE = globals.azure_max_block_size
def _create_container(self):
try:
self.blob_service.create_container(self.container,
fail_on_exist=True)
except self.AzureConflictError:
# Indicates that the resource could not be created because it already exists.
pass
except Exception as e:
log.FatalError(
"Could not create Azure container: %s" %
unicode(e.message).split('\n', 1)[0],
log.ErrorCode.connection_failed)
def _put(self, source_path, remote_filename):
kwargs = {}
if globals.azure_max_connections:
kwargs['max_connections'] = globals.azure_max_connections
# https://azure.microsoft.com/en-us/documentation/articles/storage-python-how-to-use-blob-storage/#upload-a-blob-into-a-container
try:
self.blob_service.create_blob_from_path(self.container,
remote_filename,
source_path.name, **kwargs)
except AttributeError: # Old versions use a different method name
self.blob_service.put_block_blob_from_path(self.container,
remote_filename,
source_path.name,
**kwargs)
def _get(self, remote_filename, local_path):
# https://azure.microsoft.com/en-us/documentation/articles/storage-python-how-to-use-blob-storage/#download-blobs
self.blob_service.get_blob_to_path(self.container, remote_filename,
local_path.name)
def _list(self):
# https://azure.microsoft.com/en-us/documentation/articles/storage-python-how-to-use-blob-storage/#list-the-blobs-in-a-container
blobs = []
marker = None
while True:
batch = self.blob_service.list_blobs(self.container, marker=marker)
blobs.extend(batch)
if not batch.next_marker:
break
marker = batch.next_marker
return [blob.name for blob in blobs]
def _delete(self, filename):
# http://azure.microsoft.com/en-us/documentation/articles/storage-python-how-to-use-blob-storage/#delete-blobs
self.blob_service.delete_blob(self.container, filename)
def _query(self, filename):
prop = self.blob_service.get_blob_properties(self.container, filename)
try:
info = {'size': int(prop.properties.content_length)}
except AttributeError:
# old versions directly returned the properties
info = {'size': int(prop['content-length'])}
return info
def _error_code(self, operation, e):
if isinstance(e, self.AzureMissingResourceError):
return log.ErrorCode.backend_not_found
from azure.storage import BlobService
from util import echo
try:
import simplejson as json
except:
import json
from dateutil import datestampToEpoch, datestampToDatestring, datestringToEpoch, datestringToDatestamp
myaccount="karmadigstorage"
mykey="TJbdTjRymbBHXLsDtF/Nx3+6WXWN0uwh3RG/8GPJQRQyqg+rkOzioczm5czPtr+auGFhNeBx8GTAfuCufRyw8A=="
mycontainer='arch'
mycontainer='istr-memex-small-ads'
mycontainer='memex-small'
bs = BlobService(account_name=myaccount, account_key=mykey)
def publishAzureBlob(tbl='backpage_incoming',
source="backpage",
limit=2,
user='******',
password='******',
# host='karma-dig-db.cloudapp.net',
dbhost='karma-dig-db.cloudapp.net',
database='memex_small',
maxAttempts = 3):
cnx = mysql.connector.connect(user=user,
password=password,
host=dbhost,
database=database)
cursor = cnx.cursor()
def __init__(self, parsed_url):
duplicity.backend.Backend.__init__(self, parsed_url)
# Import Microsoft Azure Storage SDK for Python library.
try:
import azure
import azure.storage
if hasattr(azure.storage, 'BlobService'):
# v0.11.1 and below
from azure.storage import BlobService
self.AzureMissingResourceError = azure.WindowsAzureMissingResourceError
self.AzureConflictError = azure.WindowsAzureConflictError
else:
# v1.0.0 and above
import azure.storage.blob
if hasattr(azure.storage.blob, 'BlobService'):
from azure.storage.blob import BlobService
else:
from azure.storage.blob.blockblobservice import BlockBlobService as BlobService
self.AzureMissingResourceError = azure.common.AzureMissingResourceHttpError
self.AzureConflictError = azure.common.AzureConflictHttpError
except ImportError as e:
raise BackendException("""\
Azure backend requires Microsoft Azure Storage SDK for Python (https://pypi.python.org/pypi/azure-storage/).
Exception: %s""" % str(e))
# TODO: validate container name
self.container = parsed_url.path.lstrip('/')
if 'AZURE_ACCOUNT_NAME' not in os.environ:
raise BackendException(
'AZURE_ACCOUNT_NAME environment variable not set.')
if 'AZURE_ACCOUNT_KEY' in os.environ:
if 'AZURE_ENDPOINT_SUFFIX' in os.environ:
self.blob_service = BlobService(
account_name=os.environ['AZURE_ACCOUNT_NAME'],
account_key=os.environ['AZURE_ACCOUNT_KEY'],
endpoint_suffix=os.environ['AZURE_ENDPOINT_SUFFIX'])
else:
self.blob_service = BlobService(
account_name=os.environ['AZURE_ACCOUNT_NAME'],
account_key=os.environ['AZURE_ACCOUNT_KEY'])
self._create_container()
elif 'AZURE_SHARED_ACCESS_SIGNATURE' in os.environ:
if 'AZURE_ENDPOINT_SUFFIX' in os.environ:
self.blob_service = BlobService(
account_name=os.environ['AZURE_ACCOUNT_NAME'],
sas_token=os.environ['AZURE_SHARED_ACCESS_SIGNATURE'],
endpoint_suffix=os.environ['AZURE_ENDPOINT_SUFFIX'])
else:
self.blob_service = BlobService(
account_name=os.environ['AZURE_ACCOUNT_NAME'],
sas_token=os.environ['AZURE_SHARED_ACCESS_SIGNATURE'])
else:
raise BackendException(
'Neither AZURE_ACCOUNT_KEY nor AZURE_SHARED_ACCESS_SIGNATURE environment variable not set.'
)
if globals.azure_max_single_put_size:
# check if we use azure-storage>=0.30.0
try:
_ = self.blob_service.MAX_SINGLE_PUT_SIZE
self.blob_service.MAX_SINGLE_PUT_SIZE = globals.azure_max_single_put_size
# fallback for azure-storage<0.30.0
except AttributeError:
self.blob_service._BLOB_MAX_DATA_SIZE = globals.azure_max_single_put_size
if globals.azure_max_block_size:
# check if we use azure-storage>=0.30.0
try:
_ = self.blob_service.MAX_BLOCK_SIZE
self.blob_service.MAX_BLOCK_SIZE = globals.azure_max_block_size
# fallback for azure-storage<0.30.0
except AttributeError:
self.blob_service._BLOB_MAX_CHUNK_DATA_SIZE = globals.azure_max_block_size
from azure.storage import BlobService
from azure import WindowsAzureError
import os
import sys
#
# sys.argv[1]: inventory.csv
#
if len(sys.argv) > 1:
inventory_name = sys.argv[1]
AZURE_STORAGE_CONNECTION_STRING = os.environ['AZURE_STORAGE_CONNECTION_STRING']
blob_service = BlobService(connection_string=AZURE_STORAGE_CONNECTION_STRING)
with open(inventory_name) as f:
for line in f:
com = line.strip().split(',')
name = com[0]
if name == "#FILENAME":
continue
size = com[1]
#print "com:"
#print com
#print "res:"
#print res
#print "size:"
#print size
#print name
#/200605/20060529/KGRK/NWS_NEXRAD_NXL2LG_KGRK_20060529000000_20060529075959.tar
def uri_put_file(creds, uri, fp, content_encoding=None):
assert fp.tell() == 0
assert uri.startswith('wabs://')
def log_upload_failures_on_error(exc_tup, exc_processor_cxt):
def standard_detail_message(prefix=''):
return (prefix + ' There have been {n} attempts to upload '
'file {url} so far.'.format(n=exc_processor_cxt, url=uri))
typ, value, tb = exc_tup
del exc_tup
# Screen for certain kinds of known-errors to retry from
if issubclass(typ, socket.error):
socketmsg = value[1] if isinstance(value, tuple) else value
logger.info(
msg='Retrying upload because of a socket error',
detail=standard_detail_message(
"The socket error's message is '{0}'.".format(socketmsg)))
else:
# For all otherwise untreated exceptions, report them as a
# warning and retry anyway -- all exceptions that can be
# justified should be treated and have error messages
# listed.
logger.warning(
msg='retrying file upload from unexpected exception',
detail=standard_detail_message(
'The exception type is {etype} and its value is '
'{evalue} and its traceback is {etraceback}'.format(
etype=typ,
evalue=value,
etraceback=''.join(traceback.format_tb(tb)))))
# Help Python GC by resolving possible cycles
del tb
# Because we're uploading in chunks, catch rate limiting and
# connection errors which occur for each individual chunk instead of
# failing the whole file and restarting.
@retry(retry_with_count(log_upload_failures_on_error))
def upload_chunk(chunk, block_id):
check_sum = base64.encodestring(md5(chunk).digest()).strip('\n')
conn.put_block(url_tup.netloc,
url_tup.path,
chunk,
block_id,
content_md5=check_sum)
url_tup = urlparse(uri)
kwargs = dict(x_ms_blob_type='BlockBlob')
if content_encoding is not None:
kwargs['x_ms_blob_content_encoding'] = content_encoding
conn = BlobService(creds.account_name, creds.account_key, protocol='https')
conn.put_blob(url_tup.netloc, url_tup.path, '', **kwargs)
# WABS requires large files to be uploaded in 4MB chunks
block_ids = []
length, index = 0, 0
pool_size = os.getenv('WABS_UPLOAD_POOL_SIZE', 5)
p = gevent.pool.Pool(size=pool_size)
while True:
data = fp.read(WABS_CHUNK_SIZE)
if data:
length += len(data)
block_id = base64.b64encode(str(index))
p.wait_available()
p.spawn(upload_chunk, data, block_id)
block_ids.append(block_id)
index += 1
else:
p.join()
break
conn.put_block_list(url_tup.netloc, url_tup.path, block_ids)
# To maintain consistency with the S3 version of this function we must
# return an object with a certain set of attributes. Currently, that set
# of attributes consists of only 'size'
return _Key(size=len(data))
def do_lzop_get(creds, url, path, decrypt):
"""
Get and decompress a S3 URL
This streams the content directly to lzop; the compressed version
is never stored on disk.
"""
assert url.endswith('.lzo'), 'Expect an lzop-compressed file'
assert url.startswith('wabs://')
conn = BlobService(creds.account_name, creds.account_key, protocol='https')
def log_wal_fetch_failures_on_error(exc_tup, exc_processor_cxt):
def standard_detail_message(prefix=''):
return (prefix + ' There have been {n} attempts to fetch wal '
'file {url} so far.'.format(n=exc_processor_cxt, url=url))
typ, value, tb = exc_tup
del exc_tup
# Screen for certain kinds of known-errors to retry from
if issubclass(typ, socket.error):
socketmsg = value[1] if isinstance(value, tuple) else value
logger.info(
msg='Retrying fetch because of a socket error',
detail=standard_detail_message(
"The socket error's message is '{0}'.".format(socketmsg)))
else:
# For all otherwise untreated exceptions, report them as a
# warning and retry anyway -- all exceptions that can be
# justified should be treated and have error messages
# listed.
logger.warning(
msg='retrying WAL file fetch from unexpected exception',
detail=standard_detail_message(
'The exception type is {etype} and its value is '
'{evalue} and its traceback is {etraceback}'.format(
etype=typ,
evalue=value,
etraceback=''.join(traceback.format_tb(tb)))))
# Help Python GC by resolving possible cycles
del tb
@retry(retry_with_count(log_wal_fetch_failures_on_error))
def download():
with open(path, 'wb') as decomp_out:
pipeline = get_download_pipeline(PIPE, decomp_out, decrypt)
g = gevent.spawn(write_and_return_error, url, conn, pipeline.stdin)
try:
# Raise any exceptions from _write_and_close
g.get()
except WindowsAzureMissingResourceError:
# Short circuit any re-try attempts under certain race
# conditions.
logger.warn(
msg=('could no longer locate object while performing '
'wal restore'),
detail=('The URI at {url} no longer exists.'.format(
url=url)),
hint=('This can be normal when Postgres is trying to '
'detect what timelines are available during '
'restoration.'))
return False
pipeline.finish()
logger.info(
msg='completed download and decompression',
detail='Downloaded and decompressed "{url}" to "{path}"'.
format(url=url, path=path))
return True
return download()
def __init__(self, name, key, container):
self.container = container
self.blobstore = BlobService(name, key)
self.blobstore.create_container(self.container)
def generate_and_upload(gauge_factory, config, logger):
start = datetime.datetime.now()
twitter_followers = gauge_factory('twitter.followers')
twitter_tweets = gauge_factory('twitter.tweets')
fb_friends = gauge_factory('facebook.friends')
foursq_checkins = gauge_factory('foursquare.checkins')
klout_score = gauge_factory('klout.score')
runkeeper_activities = gauge_factory('runkeeper.activities')
runkeeper_calories = gauge_factory('runkeeper.calories_burned')
runkeeper_weight = gauge_factory('runkeeper.weight')
tmp102_celsius = gauge_factory('tmp102.te mperature', gauge_type='hourly')
lastfm_listened = gauge_factory('lastfm.listened')
jawbone_sleeps = gauge_factory('jawbone.sleeps')
jawbone_steps = gauge_factory('jawbone.steps')
jawbone_caffeine = gauge_factory('jawbone.caffeine')
data = {}
data_sources = [
# (output key, gauge, days back, aggregator, postprocessors)
('twitter.followers', twitter_followers, 30, None,
[zero_fill_daily, interpolators.linear]),
('twitter.tweets', twitter_tweets, 20, None, [zero_fill_daily]),
('facebook.friends', fb_friends, 180, monthly_max, None),
('foursquare.checkins', foursq_checkins, 14, None, [zero_fill_daily]),
('lastfm.listened', lastfm_listened, 14, None, [zero_fill_daily]),
('klout.score', klout_score, 30, weekly_max, [zero_fill_weekly,
interpolators.linear]),
('runkeeper.calories', runkeeper_calories, 60, weekly_sum,
[zero_fill_weekly]),
('runkeeper.activities', runkeeper_activities, 60,weekly_sum,
[zero_fill_weekly]),
('runkeeper.weight', runkeeper_weight, 180,weekly_min,
[zero_fill_weekly, interpolators.linear]),
('sleeps', jawbone_sleeps, 14, None, [zero_fill_daily,
interpolators.linear]),
('steps', jawbone_steps, 14, None, [zero_fill_daily,
interpolators.linear]),
('caffeine', jawbone_caffeine, 30, None, [zero_fill_daily]),
('tmp102.temperature', tmp102_celsius, 2.5, None, None)
]
for ds in data_sources:
data[ds[0]] = ds[1].aggregate(today_utc() - timedelta(days=ds[2]),
aggregator=ds[3],
post_processors=ds[4])
report = {
'generated': str(now_utc()),
'data': data,
'took': (datetime.datetime.now() - start).seconds
}
report_json = json.dumps(report, indent=4, default=json_date_serializer)
report_content = '{0}({1})'.format(JSONP_CALLBACK_NAME, report_json)
blob_service = BlobService(config['azure.account'], config['azure.key'])
blob_service.create_container(config['azure.blob.container'])
blob_service.set_container_acl(config['azure.blob.container'],
x_ms_blob_public_access='container')
blob_service.put_blob(config['azure.blob.container'],
config['azure.blob.name'], report_content, 'BlockBlob')
took = (datetime.datetime.now() - start).seconds
logger.info('Report generated and uploaded. Took {0} s.'.format(took))
class RoundTripTests(unittest.TestCase):
def setUp(self):
self.workspace = Workspace(
settings.workspace.id,
settings.workspace.token,
settings.workspace.endpoint
)
self.blob = BlobService(
settings.storage.account_name,
settings.storage.account_key
)
def _write_blob_contents(self, filename, data):
if settings.diagnostics.write_blob_contents:
with open('original-blob-' + filename, 'wb') as data_file:
data_file.write(data)
def _write_serialized_frame(self, filename, data):
if settings.diagnostics.write_serialized_frame:
with open('serialized-frame-' + filename, 'wb') as data_file:
data_file.write(data)
def test_download_blob_then_upload_as_dataframe_then_read_dataset(self):
def datatypeid_from_header_and_format(header, format):
if format == 'csv':
if header == 'wh':
return DataTypeIds.GenericCSV
else:
return DataTypeIds.GenericCSVNoHeader
elif format == 'tsv':
if header == 'wh':
return DataTypeIds.GenericTSV
else:
return DataTypeIds.GenericTSVNoHeader
elif format == 'txt':
return DataTypeIds.PlainText
else:
self.assertTrue(False, 'Unexpected format')
def split_blob_name(blob_name):
# blob naming convention:
# name_<header>.<format>
# <header>: WH: with header
# NH: no header
# <format>: CSV: comma separated
# TSV: tab separated
# TXT: newline separated
name, format = blob_name.lower().split('.')
if format != 'txt':
name, header = name.split('_')
else:
header = 'nh'
return name, format, header
for blob_name in settings.storage.blobs:
print(blob_name)
name, format, header = split_blob_name(blob_name)
# Read the data from blob storage
original_data = self.blob.get_blob_to_bytes(settings.storage.container, blob_name)
self._write_blob_contents(blob_name, original_data)
# Parse the data to a dataframe using Pandas
original_dataframe = pd.read_csv(
BytesIO(original_data),
header=0 if header == 'wh' else None,
sep=',' if format == 'csv' else '\t' if format == 'tsv' else '\n',
encoding='utf-8-sig'
)
# Upload the dataframe as a new dataset
dataset_name = 'unittest' + name + id_generator()
description = 'safe to be deleted - ' + dataset_name
data_type_id = datatypeid_from_header_and_format(header, format)
self.workspace.datasets.add_from_dataframe(
original_dataframe,
data_type_id,
dataset_name,
description,
)
# Get the new dataset
dataset = self.workspace.datasets[dataset_name]
self.assertIsNotNone(dataset)
# Read the dataset as a dataframe
result_data = dataset.read_as_binary()
self._write_serialized_frame(blob_name, result_data)
result_dataframe = dataset.to_dataframe()
# Verify that the dataframes are equal
assert_frame_equal(original_dataframe, result_dataframe)
def test_azureml_example_datasets(self):
max_size = 10 * 1024 * 1024
skip = [
'Restaurant feature data',
'IMDB Movie Titles',
'Book Reviews from Amazon',
]
for dataset in self.workspace.example_datasets:
if not hasattr(dataset, 'to_dataframe'):
print('skipped (unsupported format): {0}'.format(dataset.name))
continue
if dataset.size > max_size:
print('skipped (max size): {0}'.format(dataset.name))
continue
if dataset.name in skip:
print('skipped: {0}'.format(dataset.name))
continue
print('downloading: ' + dataset.name)
frame = dataset.to_dataframe()
print('uploading: ' + dataset.name)
dataset_name = 'unittest' + dataset.name + id_generator()
description = 'safe to be deleted - ' + dataset_name
self.workspace.datasets.add_from_dataframe(frame, dataset.data_type_id, dataset_name, description)