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 FileService(Component):
def __init__(self):
self.blob_service = None
def generate_blob_service(self):
if self.blob_service is None:
# if storage info doesn't exist in config.py upload file function stop working
self.blob_service = BlobService(account_name=self.util.get_config("storage.azure.account_name"),
account_key=self.util.get_config("storage.azure.account_key"),
host_base=self.util.get_config("storage.azure.blob_service_host_base"))
def create_container_in_storage(self, container_name, access):
"""
create a container if doesn't exist
:param container_name:
:param access:
:return:
"""
self.generate_blob_service()
try:
names = map(lambda x: x.name, self.blob_service.list_containers())
if container_name not in names:
self.blob_service.create_container(container_name, x_ms_blob_public_access=access)
else:
self.log.debug("container already exsit in storage")
return True
except Exception as e:
self.log.error(e)
return False
def upload_file_to_azure(self, stream, container_name, blob_name):
try:
if self.create_container_in_storage(container_name, 'container'):
self.blob_service.put_block_blob_from_file(container_name, blob_name, stream)
return self.blob_service.make_blob_url(container_name, blob_name)
else:
return None
except Exception as e:
self.log.error(e)
return None
def upload_file_to_azure_from_path(self, path, container_name, blob_name):
try:
if self.create_container_in_storage(container_name, 'container'):
self.blob_service.put_block_blob_from_path(container_name, blob_name, path)
return self.blob_service.make_blob_url(container_name, blob_name)
else:
return None
except Exception as e:
self.log.error(e)
return None
def delete_file_from_azure(self, container_name, blob_name):
try:
if self.create_container_in_storage(container_name, 'container'):
self.blob_service.delete_blob(container_name, blob_name)
except Exception as e:
self.log.error(e)
return None
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 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 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 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 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 _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)
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)
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 do_step(context):
settings = context.meta['settings']
# Prepare the containers
storage_account_name = settings["STORAGE-ACCOUNT-NAME"]
storage_access_key = settings["STORAGE-ACCESS-KEY"]
blob_service = BlobService(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(storage_account_name, storage_access_key)
table_service.create_table('stemcells')
context.meta['settings'] = settings
return context
def do_step(context):
settings = context.meta['settings']
# Prepare the containers
storage_account_name = settings["STORAGE-ACCOUNT-NAME"]
storage_access_key = settings["STORAGE-ACCESS-KEY"]
blob_service = BlobService(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(storage_account_name, storage_access_key)
table_service.create_table('stemcells')
context.meta['settings'] = settings
return context
class AzureBlobStorage(StorageBase):
def __init__(self, account_name, account_key, container_name):
self.__container_name = container_name
self.__blob_service = BlobService(account_name=account_name,
account_key=account_key)
self.__blob_service.create_container(container_name)
def get(self, key, default=None):
logger.info('get: key = %s' % key)
return pickle.loads(self.__blob_service
.get_blob_to_text(self.__container_name, key))
def set(self, key, value):
logger.info('get: key = %s, value = %s' % (key, value))
self.__blob_service.put_block_blob_from_text(self.__container_name,
key, pickle.dumps(value))
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))
class BlobCache:
'''
Simplistic cache toolkit targetting an Azure Blob Service.
name: the name of a storage account.
key: the access key for the storage account.
container: the name of the container to use.
'''
def __init__(self, name, key, container):
self.container = container
self.blobstore = BlobService(name, key)
self.blobstore.create_container(self.container)
def getresponse(self, cachekey):
'''
Get a value from the cache.
cachekey: The key.
Kilroy notes that this throws an exception rather than returning a
value on failure.
'''
return self.blobstore.get_blob_to_text(self.container,
str2blobname(cachekey))
def putresponse(self, cachekey, value):
'''
Put a value in the cache with the given key.
cachekey: The key.
value: The value to associate with the key.
'''
return self.blobstore.put_block_blob_from_text(self.container,
str2blobname(cachekey),
value)
def invalidate(self, cachekey):
'''
Invalidate a value in the cache. Immediate. Permanent.
cachekey: The key.
'''
self.blobstore.delete_blob(self.container, str2blobname(cachekey))
class BlobCache:
'''
Simplistic cache toolkit targetting an Azure Blob Service.
name: the name of a storage account.
key: the access key for the storage account.
container: the name of the container to use.
'''
def __init__(self, name, key, container):
self.container = container
self.blobstore = BlobService(name, key)
self.blobstore.create_container(self.container)
def getresponse(self, cachekey):
'''
Get a value from the cache.
cachekey: The key.
Kilroy notes that this throws an exception rather than returning a
value on failure.
'''
return self.blobstore.get_blob_to_text(self.container,str2blobname(cachekey))
def putresponse(self, cachekey, value):
'''
Put a value in the cache with the given key.
cachekey: The key.
value: The value to associate with the key.
'''
return self.blobstore.put_block_blob_from_text(self.container, str2blobname(cachekey), value)
def invalidate(self, cachekey):
'''
Invalidate a value in the cache. Immediate. Permanent.
cachekey: The key.
'''
self.blobstore.delete_blob(self.container, str2blobname(cachekey))
class AzureBackend(BakthatBackend):
"""Backend to handle Azure upload/download."""
def __init__(self, conf={}, profile="default"):
BakthatBackend.__init__(self, conf, profile)
self.blob_service = BlobService(self.conf["account_name"], self.conf["account_key"])
try:
self.containe_properties = self.blob_service.get_container_properties(self.conf["azure_container"])
except WindowsAzureError, e:
if type(e)==WindowsAzureMissingResourceError:
self.containe_properties =self.blob_service.create_container(self.conf["azure_container"])
else:
raise e
self.container = self.conf["azure_container"]
self.container_key = "azure_container"
class AzureTransfer(BaseTransfer):
def __init__(self, account_name, account_key, container_name, prefix=None):
# NOTE: Azure wants all paths to start with a slash
prefix = "/{}".format(prefix.lstrip("/") if prefix else "")
super().__init__(prefix=prefix)
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")
# XXX: AzureTransfer isn't actively tested and hasn't its error handling is probably lacking
self.log.warning("AzureTransfer is experimental and has not been thoroughly tested")
def get_metadata_for_key(self, key):
key = self.format_key_for_backend(key)
return self._list_blobs(key)[0]["metadata"]
def _metadata_for_key(self, key):
return self._list_blobs(key)[0]["metadata"]
def list_path(self, key):
path = self.format_key_for_backend(key, trailing_slash=True)
return self._list_blobs(path)
def _list_blobs(self, path):
self.log.debug("Listing path %r", path)
items = self.conn.list_blobs(self.container_name, prefix=path, delimiter="/", include="metadata")
result = []
for item in items:
result.append({
"last_modified": dateutil.parser.parse(item.properties.last_modified),
"metadata": item.metadata,
"name": self.format_key_from_backend(item.name),
"size": item.properties.content_length,
})
return result
def delete_key(self, key):
key = self.format_key_for_backend(key)
self.log.debug("Deleting key: %r", key)
return self.conn.delete_blob(self.container_name, key)
def get_contents_to_file(self, key, filepath_to_store_to):
key = self.format_key_for_backend(key)
self.log.debug("Starting to fetch the contents of: %r to: %r", key, filepath_to_store_to)
return self.conn.get_blob_to_path(self.container_name, key, filepath_to_store_to)
def get_contents_to_fileobj(self, key, fileobj_to_store_to):
key = self.format_key_for_backend(key)
self.log.debug("Starting to fetch the contents of: %r", key)
return self.conn.get_blob_to_file(self.container_name, key, fileobj_to_store_to)
def get_contents_to_string(self, key):
key = self.format_key_for_backend(key)
self.log.debug("Starting to fetch the contents of: %r", key)
return self.conn.get_blob_to_bytes(self.container_name, key), self._metadata_for_key(key)
def store_file_from_memory(self, key, memstring, metadata=None):
key = self.format_key_for_backend(key)
# Azure requires all metadata keys and values to be strings
metadata_to_send = {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, multipart=None):
key = self.format_key_for_backend(key)
# Azure requires all metadata keys and values to be strings
metadata_to_send = {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
class Storage(driver.Base):
supports_bytes_range = True
def __init__(self, path=None, config=None):
self._config = config
self._container = self._config.azure_storage_container
protocol = 'https' if self._config.azure_use_https else 'http'
acct_name = self._config.azure_storage_account_name
acct_key = self._config.azure_storage_account_key
self._blob = BlobService(account_name=acct_name,
account_key=acct_key,
protocol=protocol)
self._init_container()
logger.debug("Initialized azureblob storage driver")
def _init_container(self):
'''Initializes image container on Azure blob storage if the container
does not exist.
'''
created = self._blob.create_container(self._container,
x_ms_blob_public_access='blob',
fail_on_exist=False)
if created:
logger.info('Created blob container for image registry.')
else:
logger.debug('Registry container already exists.')
return created
@lru.get
def get_content(self, path):
try:
return self._blob.get_blob(self._container, path)
except azure.WindowsAzureMissingResourceError:
raise exceptions.FileNotFoundError('%s is not there' % path)
@lru.set
def put_content(self, path, content):
self._blob.put_blob(self._container, path, content, 'BlockBlob')
return path
def stream_read(self, path, bytes_range=None):
try:
f = io.BytesIO()
self._blob.get_blob_to_file(self._container, path, f)
if bytes_range:
f.seek(bytes_range[0])
total_size = bytes_range[1] - bytes_range[0] + 1
else:
f.seek(0)
while True:
buf = None
if bytes_range:
# Bytes Range is enabled
buf_size = self.buffer_size
if nb_bytes + buf_size > total_size:
# We make sure we don't read out of the range
buf_size = total_size - nb_bytes
if buf_size > 0:
buf = f.read(buf_size)
nb_bytes += len(buf)
else:
# We're at the end of the range
buf = ''
else:
buf = f.read(self.buffer_size)
if not buf:
break
yield buf
except IOError:
raise exceptions.FileNotFoundError('%s is not there' % path)
def stream_write(self, path, fp):
self._blob.put_block_blob_from_file(self._container, path, fp)
def list_directory(self, path=None):
if not path.endswith('/'):
path += '/' # path=a would list a/b.txt as well as 'abc.txt'
blobs = list(self._blob.list_blobs(self._container, path))
if not blobs:
raise exceptions.FileNotFoundError('%s is not there' % path)
return [b.name for b in blobs]
def exists(self, path):
try:
self._blob.get_blob_properties(self._container, path)
return True
except azure.WindowsAzureMissingResourceError:
return False
@lru.remove
def remove(self, path):
is_blob = self.exists(path)
if is_blob:
self._blob.delete_blob(self._container, path)
return
exists = False
blobs = list(self._blob.list_blobs(self._container, path))
if not blobs:
raise exceptions.FileNotFoundError('%s is not there' % path)
for b in blobs:
self._blob.delete_blob(self._container, b.name)
def get_size(self, path):
try:
properties = self._blob.get_blob_properties(self._container, path)
return int(properties['content-length']) # auto-converted to long
except azure.WindowsAzureMissingResourceError:
raise exceptions.FileNotFoundError('%s is not there' % path)
class BlobServiceAdapter(Component):
"""The :class:`BlobServiceAdapter` class is a thin wrapper over azure.storage.BlobService.
All the attributes of the wrapper stream are proxied by the adapter so
it's possible to do ``adapter.create_container()`` instead of the long form
``adapter.blob_service.adapter()``.
"""
def __init__(self):
self.blob_service = BlobService(account_name=self.util.get_config("storage.azure.account_name"),
account_key=self.util.get_config("storage.azure.account_key"),
host_base=self.util.get_config("storage.azure.blob_service_host_base"))
def __getattr__(self, name):
return getattr(self.blob_service, name)
def create_container_in_storage(self, container_name, access="container"):
"""create a container if doesn't exist
:type container_name: str|unicode
:param container_name: Name of container to create.
:type access: str|unicode
:param access: Optional. Possible values include: container, blob
:return:
"""
try:
names = [x.name for x in self.blob_service.list_containers()]
if container_name not in names:
return self.blob_service.create_container(container_name, x_ms_blob_public_access=access)
else:
self.log.debug("container already exists in storage")
return True
except Exception as e:
self.log.error(e)
return False
def upload_file_to_azure(self, container_name, blob_name, stream):
"""
Creates a new block blob from a file/stream, or updates the content of
an existing block blob, with automatic chunking and progress
notifications.
:type container_name: str|unicode
:param container_name: Name of existing container.
:type blob_name: str | unicode
:param blob_name: Name of blob to create or update.
:type stream: file
:param stream: Opened file/stream to upload as the blob content.
"""
try:
if self.create_container_in_storage(container_name, 'container'):
self.blob_service.put_block_blob_from_file(container_name, blob_name, stream)
return self.blob_service.make_blob_url(container_name, blob_name)
else:
return None
except Exception as e:
self.log.error(e)
return None
def upload_file_to_azure_from_bytes(self, container_name, blob_name, blob):
"""
Creates a new block blob from an array of bytes, or updates the content
of an existing block blob, with automatic chunking and progress
notifications.
:type container_name: str|unicode
:param container_name: Name of existing container.
:type blob_name: str|unicode
:param blob_name: Name of blob to create or update.
:type blob: bytes
:param blob: Content of blob as an array of bytes.
"""
try:
if self.create_container_in_storage(container_name, 'container'):
self.blob_service.put_block_blob_from_bytes(container_name, blob_name, blob)
return self.blob_service.make_blob_url(container_name, blob_name)
else:
return None
except Exception as e:
self.log.error(e)
return None
def upload_file_to_azure_from_text(self, container_name, blob_name, text):
"""
Creates a new block blob from str/unicode, or updates the content of an
existing block blob, with automatic chunking and progress notifications.
:type container_name: str|unicode
:param container_name: Name of existing container.
:type blob_name: str|unicode
:param blob_name: Name of blob to create or update.
:type text: str|unicode
:param text: Text to upload to the blob.
"""
try:
if self.create_container_in_storage(container_name, 'container'):
self.blob_service.put_block_blob_from_text(container_name, blob_name, text)
return self.blob_service.make_blob_url(container_name, blob_name)
else:
return None
except Exception as e:
self.log.error(e)
return None
def upload_file_to_azure_from_path(self, container_name, blob_name, path):
"""
Creates a new page blob from a file path, or updates the content of an
existing page blob, with automatic chunking and progress notifications.
:type container_name: str|unicode
:param container_name: Name of existing container.
:type blob_name: str|unicode
:param blob_name: Name of blob to create or update.
:type path: str|unicode
:param path: Path of the file to upload as the blob content.
"""
try:
if self.create_container_in_storage(container_name, 'container'):
self.blob_service.put_block_blob_from_path(container_name, blob_name, path)
return self.blob_service.make_blob_url(container_name, blob_name)
else:
return None
except Exception as e:
self.log.error(e)
return None
def delete_file_from_azure(self, container_name, blob_name):
try:
if self.create_container_in_storage(container_name, 'container'):
self.blob_service.delete_blob(container_name, blob_name)
except Exception as e:
self.log.error(e)
return None
def upload():
file = request.files['fileInput']
print "File is" + file.filename
if file:
data = file.read()
blob_service = BlobService(account_name='squadshots', account_key='UgxaWKAKv2ZvhHrPt0IHi4EQedPpZw35r+RXkAYB2eICPrG3TjSwk2G8gUzG/PNDDTV+4CVCYWCvZSiad5xMQQ==')
blob_service.create_container('album')
blob_service.put_block_blob_from_bytes(
'album',
file.filename + "_blob",
data,
x_ms_blob_content_type='image/png'
)
if 'username' in session:
un = session['username']
else:
print "not in session"
blob_service.set_blob_metadata(container_name="album",
blob_name=file.filename + "_blob",
x_ms_meta_name_values={'metaun': un})
blob_service.get_blob_to_path('album',file.filename + "_blob",'static/output.png')
f = open('input_person.png','w+')
f.write(data)
f.close()
[X,y] = read_images(OUTPUT_DIRECTORY, (256,256))
# Convert labels to 32bit integers. This is a workaround for 64bit machines,
y = np.asarray(y, dtype=np.int32)
# Create the Eigenfaces model.
model = cv2.createEigenFaceRecognizer()
# Learn the model. Remember our function returns Python lists,
# so we use np.asarray to turn them into NumPy lists to make
# the OpenCV wrapper happy:
model.train(np.asarray(X), np.asarray(y))
# Save the model for later use
model.save("eigenModel.xml")
# Create an Eign Face recogniser
t = float(100000)
model = cv2.createEigenFaceRecognizer(threshold=t)
# Load the model
model.load("eigenModel.xml")
# Read the image we're looking for
try:
sampleImage = cv2.imread('static/output.png', cv2.IMREAD_GRAYSCALE)
if sampleImage != None:
sampleImage = cv2.resize(sampleImage, (256,256))
else:
print "sample image is null"
except IOError:
print "IO error"
# Look through the model and find the face it matches
[p_label, p_confidence] = model.predict(sampleImage)
# Print the confidence levels
print "Predicted label = %d (confidence=%.2f)" % (p_label, p_confidence)
# If the model found something, print the file path
if (p_label > -1):
count = 0
for dirname, dirnames, filenames in os.walk(OUTPUT_DIRECTORY):
for subdirname in dirnames:
subject_path = os.path.join(dirname, subdirname)
if (count == p_label):
for filename in os.listdir(subject_path):
print "subject path = " + subject_path
count = count+1
return "uploaded"
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 WindowsAzureMissingResourceError:
dir = self._get_dir('/' + c_name, True)
if f_name in dir['files']:
del dir['files'][f_name]
raise FuseOSError(ENOENT)
except WindowsAzureError 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 WindowsAzureError:
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 WindowsAzureMissingResourceError:
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]
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
while (True):
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
while(True):
timeStamp = datetime.today().strftime("%Y-%m-%dT%H%M%SZ")
pathToZip = ''
sevenZip = ''
fileName = 'Backup_'+timeStamp+'.7z'
activeContainer = ''
if platform.system() == 'Windows' :
pathToZip = 'C:\\SQLBackups\\' + fileName
sevenZip = 'C:\\SQLBackups\\7Zip\\7za.exe'
activeContainer = regVPS
else:
# sudo apt-get install p7zip-full
pathToZip = '/var/tmp/'+fileName
sevenZip = '7z'
activeContainer = DOVPS
#Create archive.7z containing Backups Directory with max compression
zipArgs = "a "+ pathToZip +" Backups -mx9"
subprocess.call(sevenZip + " " + zipArgs)
blob_service = BlobService('storageAccountName', 'storageKey')
blob_service.create_container(regVPS)
blob_service.create_container(DOVPS)
blob_service.put_block_blob_from_path(activeContainer, fileName, pathToZip)
os.remove(fileName)
class FileService(Component):
def __init__(self):
self.blob_service = None
def generate_blob_service(self):
if self.blob_service is None:
# if storage info doesn't exist in config.py upload file function stop working
self.blob_service = BlobService(
account_name=self.util.get_config(
"storage.azure.account_name"),
account_key=self.util.get_config("storage.azure.account_key"),
host_base=self.util.get_config(
"storage.azure.blob_service_host_base"))
def create_container_in_storage(self, container_name, access):
"""
create a container if doesn't exist
:param container_name:
:param access:
:return:
"""
self.generate_blob_service()
try:
names = map(lambda x: x.name, self.blob_service.list_containers())
if container_name not in names:
self.blob_service.create_container(
container_name, x_ms_blob_public_access=access)
else:
self.log.debug("container already exsit in storage")
return True
except Exception as e:
self.log.error(e)
return False
def upload_file_to_azure(self, stream, container_name, blob_name):
try:
if self.create_container_in_storage(container_name, 'container'):
self.blob_service.put_block_blob_from_file(
container_name, blob_name, stream)
return self.blob_service.make_blob_url(container_name,
blob_name)
else:
return None
except Exception as e:
self.log.error(e)
return None
def upload_file_to_azure_from_path(self, path, container_name, blob_name):
try:
if self.create_container_in_storage(container_name, 'container'):
self.blob_service.put_block_blob_from_path(
container_name, blob_name, path)
return self.blob_service.make_blob_url(container_name,
blob_name)
else:
return None
except Exception as e:
self.log.error(e)
return None
def delete_file_from_azure(self, container_name, blob_name):
try:
if self.create_container_in_storage(container_name, 'container'):
self.blob_service.delete_blob(container_name, blob_name)
except Exception as e:
self.log.error(e)
return None
# Get settings from CustomScriptForLinux extension configurations
waagent.LoggerInit('/var/log/waagent.log', '/dev/stdout')
hutil = Util.HandlerUtility(waagent.Log, waagent.Error, "bosh-deploy-script")
hutil.do_parse_context("enable")
settings = hutil.get_public_settings()
with open(os.path.join('bosh', 'settings'), "w") as tmpfile:
tmpfile.write(json.dumps(settings, indent=4, sort_keys=True))
username = settings["username"]
home_dir = os.path.join("/home", username)
install_log = os.path.join(home_dir, "install.log")
# Prepare the containers
storage_account_name = settings["STORAGE-ACCOUNT-NAME"]
storage_access_key = settings["STORAGE-ACCESS-KEY"]
blob_service = BlobService(storage_account_name, storage_access_key)
blob_service.create_container('bosh')
blob_service.create_container('stemcell')
# Generate the private key and certificate
call("sh create_cert.sh", shell=True)
call("cp bosh.key ./bosh/bosh", shell=True)
with open('bosh_cert.pem', 'r') as tmpfile:
ssh_cert = tmpfile.read()
indentation = " " * 8
ssh_cert = ("\n" + indentation).join([line for line in ssh_cert.split('\n')])
# Render the yml template for bosh-init
bosh_template = 'bosh.yml'
if os.path.exists(bosh_template):
with open(bosh_template, 'r') as tmpfile:
contents = tmpfile.read()
def do_step(context):
settings = context.meta['settings']
index_file = context.meta['index-file']
pivnetAPIToken = settings["pivnet-api-token"]
f = open("manifests/{0}".format(index_file))
manifests = yaml.safe_load(f)
f.close()
eula_urls = [
"https://network.pivotal.io/api/v2/products/{0}/releases/{1}/eula_acceptance"
.format(m['release-name'], m['release-number'])
for m in manifests['manifests']
]
release_urls = [
"https://network.pivotal.io/api/v2/products/{0}/releases/{1}/product_files/{2}/download"
.format(m['release-name'], m['release-number'], m['file-number'])
for m in manifests['manifests']
]
stemcell_urls = [m['stemcell'] for m in manifests['manifests']]
# accept eula for each product
for url in eula_urls:
print url
if not "concourse" in url:
res = authorizedPost(url, pivnetAPIToken)
code = res.getcode()
# releases
is_release_file = re.compile("^releases\/.+")
if not os.path.exists("/tmp/releases"):
os.makedirs("/tmp/releases")
client = bosh_client.BoshClient("https://10.0.0.4:25555", "admin", "admin")
storage_account_name = settings["STORAGE-ACCOUNT-NAME"]
storage_access_key = settings["STORAGE-ACCESS-KEY"]
blob_service = BlobService(storage_account_name, storage_access_key)
blob_service.create_container(container_name='tempreleases',
x_ms_blob_public_access='container')
print "Processing releases."
for url in release_urls:
print "Downloading {0}.".format(url)
if "concourse" in url:
release_url = "https://s3-us-west-2.amazonaws.com/bosh-azure-releases/concourse.zip"
res = urllib2.urlopen(release_url)
else:
res = authorizedPost(url, pivnetAPIToken)
code = res.getcode()
length = int(res.headers["Content-Length"])
# content-length
if code is 200:
total = 0
pcent = 0.0
CHUNK = 16 * 1024
with tempfile.TemporaryFile() as temp:
while True:
chunk = res.read(CHUNK)
total += CHUNK
pcent = (float(total) / float(length)) * 100
sys.stdout.write("Download progress: %.2f%% (%.2fM)\r" %
(pcent, total / 1000000.0))
sys.stdout.flush()
if not chunk:
break
temp.write(chunk)
print "Download complete."
z = zipfile.ZipFile(temp)
for name in z.namelist():
# is this a release?
if is_release_file.match(name):
release_filename = "/tmp/{0}".format(name)
print "Unpacking {0}.".format(name)
z.extract(name, "/tmp")
print "Uploading {0} to Azure blob store".format(name)
blob_service.put_block_blob_from_path(
'tempreleases',
name,
"/tmp/{0}".format(name),
x_ms_blob_content_type='application/x-compressed')
os.unlink(release_filename)
blob_url = "http://{0}.blob.core.windows.net/{1}/{2}".format(
storage_account_name, 'tempreleases', name)
print "Uploading release {0} to BOSH director.".format(
name)
task_id = client.upload_release(blob_url)
client.wait_for_task(task_id)
z.close()
temp.close()
blob_service.delete_container("tempreleases")
# stemcells
print "Processing stemcells."
for url in stemcell_urls:
print "Processing stemcell {0}".format(url)
task_id = client.upload_stemcell(url)
client.wait_for_task(task_id)
return context
class AzureTransfer(BaseTransfer):
def __init__(self, account_name, account_key, container_name, prefix=None):
# NOTE: Azure wants all paths to start with a slash
prefix = "/{}".format(prefix.lstrip("/") if prefix else "")
super().__init__(prefix=prefix)
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")
# XXX: AzureTransfer isn't actively tested and hasn't its error handling is probably lacking
self.log.warning(
"AzureTransfer is experimental and has not been thoroughly tested")
def get_metadata_for_key(self, key):
key = self.format_key_for_backend(key)
return self._list_blobs(key)[0]["metadata"]
def _metadata_for_key(self, key):
return self._list_blobs(key)[0]["metadata"]
def list_path(self, key):
path = self.format_key_for_backend(key, trailing_slash=True)
return self._list_blobs(path)
def _list_blobs(self, path):
self.log.debug("Listing path %r", path)
items = self.conn.list_blobs(self.container_name,
prefix=path,
delimiter="/",
include="metadata")
result = []
for item in items:
result.append({
"last_modified":
dateutil.parser.parse(item.properties.last_modified),
"metadata":
item.metadata,
"name":
self.format_key_from_backend(item.name),
"size":
item.properties.content_length,
})
return result
def delete_key(self, key):
key = self.format_key_for_backend(key)
self.log.debug("Deleting key: %r", key)
return self.conn.delete_blob(self.container_name, key)
def get_contents_to_file(self, key, filepath_to_store_to):
key = self.format_key_for_backend(key)
self.log.debug("Starting to fetch the contents of: %r to: %r", key,
filepath_to_store_to)
return self.conn.get_blob_to_path(self.container_name, key,
filepath_to_store_to)
def get_contents_to_fileobj(self, key, fileobj_to_store_to):
key = self.format_key_for_backend(key)
self.log.debug("Starting to fetch the contents of: %r", key)
return self.conn.get_blob_to_file(self.container_name, key,
fileobj_to_store_to)
def get_contents_to_string(self, key):
key = self.format_key_for_backend(key)
self.log.debug("Starting to fetch the contents of: %r", key)
return self.conn.get_blob_to_bytes(self.container_name,
key), self._metadata_for_key(key)
def store_file_from_memory(self, key, memstring, metadata=None):
key = self.format_key_for_backend(key)
# Azure requires all metadata keys and values to be strings
metadata_to_send = {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,
multipart=None):
key = self.format_key_for_backend(key)
# Azure requires all metadata keys and values to be strings
metadata_to_send = {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 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.temperature', gauge_type='hourly')
lastfm_listened = gauge_factory('lastfm.listened')
jawbone_sleeps = gauge_factory('jawbone.sleeps')
jawbone_heartrate = gauge_factory('jawbone.resting_heartrate')
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]),
('heartrate', jawbone_heartrate, 21, 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))
from azure import WindowsAzureMissingResourceError
import glob
import os
import engaged.data.azure_connect as AC
ACCOUNT_NAME = 'sounds'
ACCOUNT_KEY = AC.getAccountKey() # primary access key
HOST_BASE = '.blob.core.windows.net'
blob_service = BlobService(account_name=ACCOUNT_NAME,
account_key=ACCOUNT_KEY,
host_base=HOST_BASE)
CONTAINER = 'bat-detective' # or whatever else you like
created = blob_service.create_container(CONTAINER, x_ms_blob_public_access='container')
print "Created" if created else "Not created (probably already existing)"
audio_dir = '../../data/wav/'
SOUND_FILES = glob.glob(audio_dir + '*.wav')
for f in SOUND_FILES:
print "uploading", os.path.basename(f)
blob_service.put_block_blob_from_path(
CONTAINER, # container
os.path.basename(f), # blob
f, # path
x_ms_blob_content_type='audio/wav'
)
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
imagesQueue = 'mosaicqueue'
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_small)
blob_service.create_container(blob_big)
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)
# Repeat
while (True):
# get images form *imagesQueue* - it is invoked by CRON
messages = queue_service.get_messages(imagesQueue)
if len(messages) == 0:
# Get settings from CustomScriptForLinux extension configurations
waagent.LoggerInit('/var/log/waagent.log', '/dev/stdout')
hutil = Util.HandlerUtility(waagent.Log, waagent.Error, "bosh-deploy-script")
hutil.do_parse_context("enable")
settings = hutil.get_public_settings()
with open (os.path.join('bosh','settings'), "w") as tmpfile:
tmpfile.write(json.dumps(settings, indent=4, sort_keys=True))
username = settings["username"]
home_dir = os.path.join("/home", username)
install_log = os.path.join(home_dir, "install.log")
# Prepare the containers
storage_account_name = settings["STORAGE-ACCOUNT-NAME"]
storage_access_key = settings["STORAGE-ACCESS-KEY"]
blob_service = BlobService(storage_account_name, storage_access_key)
blob_service.create_container('bosh')
blob_service.create_container('stemcell')
# Generate the private key and certificate
call("sh create_cert.sh", shell=True)
call("cp bosh.key ./bosh/bosh", shell=True)
with open ('bosh_cert.pem', 'r') as tmpfile:
ssh_cert = tmpfile.read()
indentation = " " * 8
ssh_cert=("\n"+indentation).join([line for line in ssh_cert.split('\n')])
# Render the yml template for bosh-init
bosh_template = 'bosh.yml'
if os.path.exists(bosh_template):
with open (bosh_template, 'r') as tmpfile:
contents = tmpfile.read()
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))
import glob
import os
import time
logtime = time.strftime("%Y%m%d-%H%M%S")
logmessage = "uploadmp3.py started"
command = "sed -i '1s/^/" + logtime + " " + logmessage + "\\n/' /home/pi/selcuk/log.txt"
os.system(command)
from azure.storage import BlobService
blob_service = BlobService(account_name='account_name', account_key='account_key')
blob_service.create_container('record')
blob_service.create_container('record', x_ms_blob_public_access='container')
blob_service.set_container_acl('record', x_ms_blob_public_access='container')
directory = "/home/pi/selcuk/mp3"
os.chdir(directory)
for file in glob.glob("*.mp3"):
full_path = directory + "/" + file
blob_service.put_block_blob_from_path(
'record',
file,
full_path,
x_ms_blob_content_type='audio/mpeg3'
)
delete_command = "rm " + file
os.system(delete_command)
logtime = time.strftime("%Y%m%d-%H%M%S")
logmessage = file + " uploaded to cloud and deleted from device"
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
from azure.storage.blob import 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))
if 'AZURE_ACCOUNT_NAME' not in os.environ:
raise BackendException('AZURE_ACCOUNT_NAME environment variable not set.')
if 'AZURE_ACCOUNT_KEY' not in os.environ:
raise BackendException('AZURE_ACCOUNT_KEY environment variable not set.')
self.blob_service = BlobService(account_name=os.environ['AZURE_ACCOUNT_NAME'],
account_key=os.environ['AZURE_ACCOUNT_KEY'])
# TODO: validate container name
self.container = parsed_url.path.lstrip('/')
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):
# https://azure.microsoft.com/en-us/documentation/articles/storage-python-how-to-use-blob-storage/#upload-a-blob-into-a-container
self.blob_service.put_block_blob_from_path(self.container, remote_filename, source_path.name)
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)
return {'size': int(prop['content-length'])}
def _error_code(self, operation, e):
if isinstance(e, self.AzureMissingResourceError):
return log.ErrorCode.backend_not_found
from azure.storage import BlobService
import sys
key = raw_input("Please enter azure vidoepath blob storage key: ")
blob_service = BlobService(account_name='videopathmobilefiles',
account_key=key)
source = sys.argv[1]
target = sys.argv[2]
print source + " -> " + target
blob_service.create_container(target, x_ms_blob_public_access='container')
# blob_service.copy_blob('test2', 'copiedkey', '/videopathmobilefiles/test/key')
blobs = blob_service.list_blobs(source)
for b in blobs:
name = b.name
source_path = '/videopathmobilefiles/' + source + '/' + name
blob_service.copy_blob(target, name, source_path)
print name
class AzureBlobStorage(Storage):
def __init__(self, account='nyxstorage', container='pxo'):
self.base_storage_uri = 'http://%s.blob.core.windows.net/%s/' % (
account, container)
self.blob_service = BlobService(
account, get_env_variable('AZURE_BLOB_STORAGE_KEY'))
self.container = container
def _open(self, name, mode='rb'):
data = self.blob_service.get_blob(self.container, name)
return ContentFile(data)
def _save(self, name, content):
_file = content.read()
file_name = content.name[-35:]
self.blob_service.put_blob(
self.container, file_name, _file, x_ms_blob_type='BlockBlob')
return self.base_storage_uri + file_name
def create_container(self, container_name):
result = self.blob_service.create_container(
container_name, x_ms_blob_public_access='container')
return result
def delete(self, name):
self.blob_service.delete_blob(self.container, name)
def exists(self, name):
try:
self.blob_service.get_blob_properties(self.container, name)
except:
return False
else:
return True
def get_available_name(self, name):
return name
def get_blobs(self):
blobs = self.blob_service.list_blobs(self.container)
return blobs
def get_valid_name(self, name):
return name
def modified_time(self, name):
metadata = self.blob_service.get_blob_metadata(self.container, name)
modified_time = float(metadata.get('x-ms-meta-modified_time'))
return datetime.fromtimestamp(modified_time)
def set_public_container(self, container_name):
result = self.blob_service.set_container_acl(
container_name, x_ms_blob_public_access='container')
return result
def size(self, name):
properties = self.blob_service.get_blob_properties(
self.container, name)
return properties.get('content-length')
def url(self, name):
blob = self.blob_service.list_blobs(self.container, prefix=name)
return blob.blobs[0].url
try:
blob_service.put_block_blob_from_path(
container_name,
key,
source,
x_ms_blob_content_type=content_type,
x_ms_blob_cache_control='public, max-age=600')
break
except:
print "retrying..."
time.sleep(1)
# walk all files in dir and push to bucket
codepath = os.path.dirname(os.path.abspath(__file__)) + "/upload/" + videoname
container_name = videoname.lower()
blob_service.create_container(container_name,
x_ms_blob_public_access='container')
for path, subdirs, files in os.walk(codepath):
for name in files:
# don't upload hidden files
if name[0] == ".":
continue
pathname = os.path.join(path, name)
keyname = pathname.replace(codepath, "")[1:]
upload_file(pathname, container_name, name)
class BlobServiceAdapter(Component):
"""The :class:`BlobServiceAdapter` class is a thin wrapper over azure.storage.BlobService.
All the attributes of the wrapper stream are proxied by the adapter so
it's possible to do ``adapter.create_container()`` instead of the long form
``adapter.blob_service.adapter()``.
"""
def __init__(self):
self.blob_service = BlobService(
account_name=self.util.get_config("storage.azure.account_name"),
account_key=self.util.get_config("storage.azure.account_key"),
host_base=self.util.get_config("storage.azure.blob_service_host_base"),
)
def __getattr__(self, name):
return getattr(self.blob_service, name)
def create_container_in_storage(self, container_name, access="container"):
"""create a container if doesn't exist
:type container_name: str|unicode
:param container_name: Name of container to create.
:type access: str|unicode
:param access: Optional. Possible values include: container, blob
:return:
"""
try:
names = [x.name for x in self.blob_service.list_containers()]
if container_name not in names:
return self.blob_service.create_container(container_name, x_ms_blob_public_access=access)
else:
self.log.debug("container already exists in storage")
return True
except Exception as e:
self.log.error(e)
return False
def upload_file_to_azure(self, container_name, blob_name, stream):
"""
Creates a new block blob from a file/stream, or updates the content of
an existing block blob, with automatic chunking and progress
notifications.
:type container_name: str|unicode
:param container_name: Name of existing container.
:type blob_name: str | unicode
:param blob_name: Name of blob to create or update.
:type stream: file
:param stream: Opened file/stream to upload as the blob content.
"""
try:
if self.create_container_in_storage(container_name, "container"):
self.blob_service.put_block_blob_from_file(container_name, blob_name, stream)
return self.blob_service.make_blob_url(container_name, blob_name)
else:
return None
except Exception as e:
self.log.error(e)
return None
def upload_file_to_azure_from_bytes(self, container_name, blob_name, blob):
"""
Creates a new block blob from an array of bytes, or updates the content
of an existing block blob, with automatic chunking and progress
notifications.
:type container_name: str|unicode
:param container_name: Name of existing container.
:type blob_name: str|unicode
:param blob_name: Name of blob to create or update.
:type blob: bytes
:param blob: Content of blob as an array of bytes.
"""
try:
if self.create_container_in_storage(container_name, "container"):
self.blob_service.put_block_blob_from_bytes(container_name, blob_name, blob)
return self.blob_service.make_blob_url(container_name, blob_name)
else:
return None
except Exception as e:
self.log.error(e)
return None
def upload_file_to_azure_from_text(self, container_name, blob_name, text):
"""
Creates a new block blob from str/unicode, or updates the content of an
existing block blob, with automatic chunking and progress notifications.
:type container_name: str|unicode
:param container_name: Name of existing container.
:type blob_name: str|unicode
:param blob_name: Name of blob to create or update.
:type text: str|unicode
:param text: Text to upload to the blob.
"""
try:
if self.create_container_in_storage(container_name, "container"):
self.blob_service.put_block_blob_from_text(container_name, blob_name, text)
return self.blob_service.make_blob_url(container_name, blob_name)
else:
return None
except Exception as e:
self.log.error(e)
return None
def upload_file_to_azure_from_path(self, container_name, blob_name, path):
"""
Creates a new page blob from a file path, or updates the content of an
existing page blob, with automatic chunking and progress notifications.
:type container_name: str|unicode
:param container_name: Name of existing container.
:type blob_name: str|unicode
:param blob_name: Name of blob to create or update.
:type path: str|unicode
:param path: Path of the file to upload as the blob content.
"""
try:
if self.create_container_in_storage(container_name, "container"):
self.blob_service.put_block_blob_from_path(container_name, blob_name, path)
return self.blob_service.make_blob_url(container_name, blob_name)
else:
return None
except Exception as e:
self.log.error(e)
return None
def delete_file_from_azure(self, container_name, blob_name):
try:
if self.create_container_in_storage(container_name, "container"):
self.blob_service.delete_blob(container_name, blob_name)
except Exception as e:
self.log.error(e)
return None
from azure.storage import BlobService
from azure import WindowsAzureError, WindowsAzureMissingResourceError
import logging
from logging.handlers import RotatingFileHandler
app = Flask(__name__)
service_name = 'azure-storage'
vcap_services = json.loads(os.environ['VCAP_SERVICES'])
account_name = vcap_services[service_name][0]['credentials']['storage_account_name']
account_key = vcap_services[service_name][0]['credentials']['primary_access_key']
blob_service = BlobService(account_name, account_key)
container_name = '{0}{1}'.format('cloud-foundry-', str(uuid.uuid4()).replace('-', ''))
blob_service.create_container(container_name)
@app.route('/')
def index():
blobs = blob_service.list_blobs(container_name)
return render_template("index.html", filenames=[blob.name for blob in blobs])
@app.route('/upload', methods= ['POST'])
def upload():
file = request.files['file']
if not file or not file.filename:
msg = 'The file to upload is invalid'
blobs = blob_service.list_blobs(container_name)
return render_template("index.html", msg=msg, filenames=[blob.name for blob in blobs])
try:
app.logger.info('uploading file {0}'.format(file.filename))
def upload_to_blob(filename):
#uploads to azure blob storage
blob_service = BlobService(account_name=storage_account_name, account_key=storage_account_key)
blob_service.create_container('pubsubcat-pics')
blob_service.put_block_blob_from_path("pubsubcat-pics", hostname + "/" + filename, 'temp/' + filename)
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."""
def __init__(self, accountName, namePrefix, config=None, jobChunkSize=maxAzureTablePropertySize):
self.jobChunkSize = jobChunkSize
self.keyPath = None
self.account_key = _fetchAzureAccountKey(accountName)
# Table names have strict requirements in Azure
self.namePrefix = self._sanitizeTableName(namePrefix)
log.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
# Table names must be alphanumeric
nameSeparator = 'xx'
# 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):
for jobEntity in self.jobItems.query_entities():
yield AzureJob.fromEntity(jobEntity)
def create(self, command, memory, cores, disk,
predecessorNumber=0):
jobStoreID = self._newJobID()
job = AzureJob(jobStoreID=jobStoreID,
command=command, memory=memory, cores=cores, disk=disk,
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 WindowsAzureMissingResourceError:
# 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)
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 WindowsAzureMissingResourceError:
raise NoSuchFileException(jobStoreFileID)
def deleteFile(self, jobStoreFileID):
try:
self.files.delete_blob(blob_name=jobStoreFileID)
self._dissociateFileFromJob(jobStoreFileID)
except WindowsAzureMissingResourceError:
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 WindowsAzureMissingResourceError:
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):
sharedFileID = self._newFileID(sharedFileName)
with self._uploadStream(sharedFileID, self.files, encrypted=isProtected) as fd:
yield fd
@contextmanager
def readSharedFileStream(self, 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 WindowsAzureMissingResourceError:
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_on_error():
with attempt:
self.tableService.create_table(tableName)
return AzureTable(self.tableService, tableName)
def _getOrCreateBlobContainer(self, containerName):
for attempt in retry_on_error():
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 WindowsAzureMissingResourceError:
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 SAzure(SyncStorage):
def __init__(self):
super().__init__()
self.msg_key_na = _('Key not available')
try:
import alxlib.key
key = alxlib.key.Key()
if os.path.isfile(key.get_path()):
sys.path.insert(0, key.get_dir())
import alxkey
self.key = alxkey.alxkey_azure
"""self.blob = BlobService(account_name=self.key['AZURE_STORAGE_ACCOUNT_NAME'],
account_key=self.key['AZURE_ACCESS_KEY'])"""
else:
# raise (self.msg_key_na)
self.key = None
except:
pass
# raise (self.msg_key_na)
def connect(self):
try:
self.blob = BlobService(account_name=self.key['AZURE_STORAGE_ACCOUNT_NAME'],
account_key=self.key['AZURE_ACCESS_KEY'])
return self.blob.list_containers(maxresults=1)
except:
return None
def connect_blob(self, az_account_name=None, az_account_key=None):
try:
if az_account_name != None:
self.key['AZURE_STORAGE_ACCOUNT_NAME'] = az_account_name
self.key['AZURE_ACCESS_KEY'] = az_account_key
return self.connect()
except:
return None
def path_clean(self, path: str):
try:
i = path.index("//") + 2
self.container = path[0:i]
if path[len(path) - 1] != "/":
path += "/"
return path[i:]
except:
print(_("Bad Path"))
exit(1)
def spath(self, container, root, b):
spath = SyncPath()
spath.BasePath = container
if b.name[len(b.name)-1]=="/":
spath.IsDir= True
else:
spath.IsFile= True
spath.AbsPath = b.name
if len(root)>0:
spath.SPath = b.name[len(root) - 1:]
else:
spath.SPath=b.name
spath.Size = b.properties.content_length
import alxlib.time_help
spath.ModifiedTS = alxlib.time_help.to_timestamp(b.properties.last_modified)
spath.MD5 = b.properties.content_md5
spath.sys="azure"
return spath
def path_split(self, path: str):
try:
list = path.split("/")
container = list[0]
uri = ""
if len(list) > 1:
uri = "/".join(map(str, list[1:]))
return container, uri
except:
print(_("Bad path"))
exit(1)
def path_list_blobs(self, container, uri):
try:
if len(uri)>0:
blobs = self.blob.list_blobs(container, prefix=uri)
else:
blobs = self.blob.list_blobs(container)
"""for blob in blobs:
print(blob.properties.__dict__)
print(blob.name)
print(blob.url)"""
return blobs
except Exception as e:
print(_("Bad connection"))
logging.warning("container {0}, path {1}".format(container, uri))
exit(1)
def path_list(self, path):
try:
logging.debug("path_list {0}".format(path))
container, uri = self.path_split(path)
logging.debug("Container: {0}, Uri: {1}".format(container, uri))
self.connect()
self.blob.create_container(container)
blobs = self.path_list_blobs(container, uri)
d = {}
for b in blobs:
spath = self.spath(container, uri, b)
# print(b.__dict__)
#print(str(b.properties.last_modified.__dict__))
#print(str(spath.ModifiedTS))
d[spath.SPath] = spath
# print(d)
return d
except Exception as e:
print(e)
def remove(self, src: SyncPath):
try:
logging.debug("Removing {0}".format(src.AbsPath))
self.connect()
self.blob.create_container(src.BasePath)
self.blob.delete_blob(src.BasePath, src.AbsPath)
except:
pass
def copy_local2azure(self, src, base_dir):
try:
container, uri = self.path_split(base_dir)
if len(src.SPath)>0 and src.SPath[0]=="/":
path= uri+ src.SPath[1:]
else:
path= uri+src.SPath
logging.debug("copy_local2azure Spath {0}. path:{1}".format(src.SPath, path))
self.connect()
if not src.IsDir:
self.blob.put_block_blob_from_path (container, path, src.AbsPath)
else:
self.blob.put_block_blob_from_text(container, path+"/", "")
except Exception as e:
print("Error Copying")
print(e)
def copy_azure2local(self, src, base_dir):
try:
if len(src.SPath)>0 and (src.SPath[0] == "/" or src.SPath[0] == "\\") :
path = src.SPath[1:]
else:
path = src.SPath
path= os.path.normpath(os.path.join(base_dir, path))
logging.debug("copy_azure2local basedir:{0} Spath {1}, path {2}, abs: {3}".format( base_dir, src.SPath, path, src.AbsPath))
if not os.path.isdir(path):
os.makedirs(os.path.dirname(path), exist_ok=True)
#print( os.path.dirname(path)+"***************")
if not (len(src.AbsPath)>0 and src.AbsPath[len(src.AbsPath)-1]=="/"):
self.blob.get_blob_to_path(src.BasePath, src.AbsPath, path)
"""container, uri = self.path_split(base_dir)
if len(src.SPath)>0 and src.SPath[0]=="/":
path= uri+ src.SPath[1:]
else:
path= uri+src.SPath
self.connect()
if not src.IsDir:
self.blob.get_blob_to_path(src.BasePath, path, src.AbsPath)
else:
self.blob.put_block_blob_from_text(container, path, "")"""
except Exception as e:
print("Error copying")
print(e)
def do_step(context):
settings = context.meta['settings']
index_file = context.meta['index-file']
pivnetAPIToken = settings["pivnet-api-token"]
f = open("manifests/{0}".format(index_file))
manifests = yaml.safe_load(f)
f.close()
eula_urls = [
"https://network.pivotal.io/api/v2/products/{0}/releases/{1}/eula_acceptance".format(
m['release-name'],
m['release-number']) for m in manifests['manifests']]
release_urls = [
"https://network.pivotal.io/api/v2/products/{0}/releases/{1}/product_files/{2}/download".format(
m['release-name'],
m['release-number'],
m['file-number']) for m in manifests['manifests']]
stemcell_urls = [m['stemcell'] for m in manifests['manifests']]
# accept eula for each product
for url in eula_urls:
print url
if not "concourse" in url:
res = authorizedPost(url, pivnetAPIToken)
code = res.getcode()
# releases
is_release_file = re.compile("^releases\/.+")
if not os.path.exists("/tmp/releases"):
os.makedirs("/tmp/releases")
client = bosh_client.BoshClient("https://10.0.0.4:25555", "admin", "admin")
storage_account_name = settings["STORAGE-ACCOUNT-NAME"]
storage_access_key = settings["STORAGE-ACCESS-KEY"]
blob_service = BlobService(storage_account_name, storage_access_key)
blob_service.create_container(
container_name='tempreleases',
x_ms_blob_public_access='container')
print "Processing releases."
for url in release_urls:
print "Downloading {0}.".format(url)
if "concourse" in url:
release_url = "https://s3-us-west-2.amazonaws.com/bosh-azure-releases/concourse.zip"
res = urllib2.urlopen(release_url)
else:
res = authorizedPost(url, pivnetAPIToken)
code = res.getcode()
length = int(res.headers["Content-Length"])
# content-length
if code is 200:
total = 0
pcent = 0.0
CHUNK = 16 * 1024
with tempfile.TemporaryFile() as temp:
while True:
chunk = res.read(CHUNK)
total += CHUNK
pcent = (float(total) / float(length)) * 100
sys.stdout.write(
"Download progress: %.2f%% (%.2fM)\r" %
(pcent, total / 1000000.0))
sys.stdout.flush()
if not chunk:
break
temp.write(chunk)
print "Download complete."
z = zipfile.ZipFile(temp)
for name in z.namelist():
# is this a release?
if is_release_file.match(name):
release_filename = "/tmp/{0}".format(name)
print "Unpacking {0}.".format(name)
z.extract(name, "/tmp")
print "Uploading {0} to Azure blob store".format(name)
blob_service.put_block_blob_from_path(
'tempreleases',
name,
"/tmp/{0}".format(name),
x_ms_blob_content_type='application/x-compressed'
)
os.unlink(release_filename)
blob_url = "http://{0}.blob.core.windows.net/{1}/{2}".format(
storage_account_name, 'tempreleases', name)
print "Uploading release {0} to BOSH director.".format(name)
task_id = client.upload_release(blob_url)
client.wait_for_task(task_id)
z.close()
temp.close()
blob_service.delete_container("tempreleases")
# stemcells
print "Processing stemcells."
for url in stemcell_urls:
print "Processing stemcell {0}".format(url)
task_id = client.upload_stemcell(url)
client.wait_for_task(task_id)
return context
import logging
from logging.handlers import RotatingFileHandler
app = Flask(__name__)
service_name = 'azure-storage'
vcap_services = json.loads(os.environ['VCAP_SERVICES'])
account_name = vcap_services[service_name][0]['credentials'][
'storage_account_name']
account_key = vcap_services[service_name][0]['credentials'][
'primary_access_key']
blob_service = BlobService(account_name, account_key)
container_name = '{0}{1}'.format('cloud-foundry-',
str(uuid.uuid4()).replace('-', ''))
blob_service.create_container(container_name)
@app.route('/')
def index():
blobs = blob_service.list_blobs(container_name)
return render_template("index.html",
filenames=[blob.name for blob in blobs])
@app.route('/upload', methods=['POST'])
def upload():
file = request.files['file']
if not file or not file.filename:
msg = 'The file to upload is invalid'
blobs = blob_service.list_blobs(container_name)
# Get settings from CustomScriptForLinux extension configurations
waagent.LoggerInit('/var/log/waagent.log', '/dev/stdout')
hutil = Util.HandlerUtility(waagent.Log, waagent.Error, "bosh-deploy-script")
hutil.do_parse_context("enable")
settings = hutil.get_public_settings()
with open(os.path.join('bosh', 'settings'), "w") as tmpfile:
tmpfile.write(json.dumps(settings, indent=4, sort_keys=True))
username = settings["username"]
home_dir = os.path.join("/home", username)
install_log = os.path.join(home_dir, "install.log")
# Prepare the containers
storage_account_name = settings["STORAGE-ACCOUNT-NAME"]
storage_access_key = settings["STORAGE-ACCESS-KEY"]
blob_service = BlobService(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(storage_account_name, storage_access_key)
table_service.create_table('stemcells')
# Generate the private key and certificate
call("sh create_cert.sh", shell=True)
call("cp bosh.key ./bosh/bosh", shell=True)
with open('bosh_cert.pem', 'r') as tmpfile:
ssh_cert = tmpfile.read()
ssh_cert = "|\n" + ssh_cert
ssh_cert = "\n ".join([line for line in ssh_cert.split('\n')])
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."""
def __init__(self,
accountName,
namePrefix,
config=None,
jobChunkSize=maxAzureTablePropertySize):
self.jobChunkSize = jobChunkSize
self.keyPath = None
self.account_key = _fetchAzureAccountKey(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
# Table names must be alphanumeric
nameSeparator = 'xx'
# 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, predecessorNumber=0):
jobStoreID = self._newJobID()
job = AzureJob(jobStoreID=jobStoreID,
command=command,
memory=memory,
cores=cores,
disk=disk,
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 WindowsAzureMissingResourceError:
# 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)
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 WindowsAzureMissingResourceError:
raise NoSuchFileException(jobStoreFileID)
def deleteFile(self, jobStoreFileID):
try:
self.files.delete_blob(blob_name=jobStoreFileID)
self._dissociateFileFromJob(jobStoreFileID)
except WindowsAzureMissingResourceError:
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 WindowsAzureMissingResourceError:
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):
sharedFileID = self._newFileID(sharedFileName)
with self._uploadStream(sharedFileID,
self.files,
encrypted=isProtected) as fd:
yield fd
@contextmanager
def readSharedFileStream(self, 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 WindowsAzureMissingResourceError:
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_on_error():
with attempt:
self.tableService.create_table(tableName)
return AzureTable(self.tableService, tableName)
def _getOrCreateBlobContainer(self, containerName):
for attempt in retry_on_error():
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 WindowsAzureMissingResourceError:
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()
# Get settings from CustomScriptForLinux extension configurations
waagent.LoggerInit('/var/log/waagent.log', '/dev/stdout')
hutil = Util.HandlerUtility(waagent.Log, waagent.Error, "bosh-deploy-script")
hutil.do_parse_context("enable")
settings = hutil.get_public_settings()
with open (os.path.join('bosh','settings'), "w") as tmpfile:
tmpfile.write(json.dumps(settings, indent=4, sort_keys=True))
username = settings["username"]
home_dir = os.path.join("/home", username)
install_log = os.path.join(home_dir, "install.log")
# Prepare the containers
storage_account_name = settings["STORAGE-ACCOUNT-NAME"]
storage_access_key = settings["STORAGE-ACCESS-KEY"]
blob_service = BlobService(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(storage_account_name, storage_access_key)
table_service.create_table('stemcells')
# Generate the private key and certificate
call("sh create_cert.sh", shell=True)
call("cp bosh.key ./bosh/bosh", shell=True)
with open ('bosh_cert.pem', 'r') as tmpfile:
ssh_cert = tmpfile.read()
ssh_cert = "|\n" + ssh_cert
ssh_cert="\n ".join([line for line in ssh_cert.split('\n')])
class AzureBackend(duplicity.backend.Backend):
u"""
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, u'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, u'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(u"""\
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(u'/')
if u'AZURE_ACCOUNT_NAME' not in os.environ:
raise BackendException(u'AZURE_ACCOUNT_NAME environment variable not set.')
if u'AZURE_ACCOUNT_KEY' in os.environ:
if u'AZURE_ENDPOINT_SUFFIX' in os.environ:
self.blob_service = BlobService(account_name=os.environ[u'AZURE_ACCOUNT_NAME'],
account_key=os.environ[u'AZURE_ACCOUNT_KEY'],
endpoint_suffix=os.environ[u'AZURE_ENDPOINT_SUFFIX'])
else:
self.blob_service = BlobService(account_name=os.environ[u'AZURE_ACCOUNT_NAME'],
account_key=os.environ[u'AZURE_ACCOUNT_KEY'])
self._create_container()
elif u'AZURE_SHARED_ACCESS_SIGNATURE' in os.environ:
if u'AZURE_ENDPOINT_SUFFIX' in os.environ:
self.blob_service = BlobService(account_name=os.environ[u'AZURE_ACCOUNT_NAME'],
sas_token=os.environ[u'AZURE_SHARED_ACCESS_SIGNATURE'],
endpoint_suffix=os.environ[u'AZURE_ENDPOINT_SUFFIX'])
else:
self.blob_service = BlobService(account_name=os.environ[u'AZURE_ACCOUNT_NAME'],
sas_token=os.environ[u'AZURE_SHARED_ACCESS_SIGNATURE'])
else:
raise BackendException(
u'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(u"Could not create Azure container: %s"
% str(e.message).split(u'\n', 1)[0],
log.ErrorCode.connection_failed)
def _put(self, source_path, remote_filename):
remote_filename = fsdecode(remote_filename)
kwargs = {}
if globals.azure_max_connections:
kwargs[u'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)
self._set_tier(remote_filename)
def _set_tier(self, remote_filename):
if globals.azure_blob_tier is not None:
try:
self.blob_service.set_standard_blob_tier(self.container, remote_filename, globals.azure_blob_tier)
except AttributeError: # might not be available in old API
pass
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, fsdecode(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, fsdecode(filename))
def _query(self, filename):
prop = self.blob_service.get_blob_properties(self.container, fsdecode(filename))
try:
info = {u'size': int(prop.properties.content_length)}
except AttributeError:
# old versions directly returned the properties
info = {u'size': int(prop[u'content-length'])}
return info
def _error_code(self, operation, e):
if isinstance(e, self.AzureMissingResourceError):
return log.ErrorCode.backend_not_found
