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
def process(self):
account_name = self.parameters.azure_account_name
account_key = self.parameters.azure_account_key
blob_service = BlobService(account_name, account_key, protocol="https")
proxy_setting = self.parameters.https_proxy or ""
date_setting = self.parameters.date or ""
date = None
if date_setting:
if date_setting != "yesterday":
date = datetime.datetime.strptime(date_setting, "%Y-%m-%d").date() # for debbuging (probably)
elif date_setting == "yesterday":
date = datetime.date.today() - datetime.timedelta(days=1) # for normal usage
proxy_url = "https://" + proxy_setting if proxy_setting.find("https://") == -1 else proxy_setting
proxy_options = urlparse(proxy_url)
if date:
self.logger.info("Fetching for date: %s (%s)" % (date, date_setting))
else:
self.logger.info("No 'date' was specified, fetching ALL")
if proxy_options.hostname:
self.logger.info("Using https proxy(host=%s, port=%s)" % (proxy_options.hostname, proxy_options.port))
blob_service.set_proxy(host=proxy_options.hostname, port=proxy_options.port)
else:
if proxy_setting:
self.logger.info("Using NO proxy, couldn't use 'https_proxy' it was: %s" % proxy_setting)
else:
self.logger.info("Using NO proxy, 'https_proxy' was empty")
for container in blob_service.list_containers():
container_name = container.name
if container_name == "heartbeat":
continue
if date and (not container_name == "processed-" + str(date)):
self.logger.info("IGNORING container '%s' didn't match date selection" % container_name)
continue
for blob in blob_service.list_blobs(container_name):
self.logger.info("Fetching blob %s in container %s" % (container_name, blob.name))
data = blob_service.get_blob(container_name, blob.name)
cs = StringIO.StringIO(data)
report = gzip.GzipFile(fileobj=cs).read()
self.send_message(report)
def download():
blob_service = BlobService(account_name='squadshots', account_key='UgxaWKAKv2ZvhHrPt0IHi4EQedPpZw35r+RXkAYB2eICPrG3TjSwk2G8gUzG/PNDDTV+4CVCYWCvZSiad5xMQQ==')
try:
blob_service.get_blob_to_path('album','image','static/output.png')
except Exception as e:
print e
blobs = blob_service.list_blobs('album',None,None,None,'metadata',None)
for blob in blobs:
if blob.metadata != None:
for key in blob.metadata:
if (blob.metadata)[key] == session['username']:
blob_service.get_blob_to_path('album',blob.name,'static/output.png')
for i in blob_service.list_containers():
print "This container is " + i.name
return render_template('album.html',filename="static/output.png")
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]
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)
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
osHardDiskName = sys.argv[6]
#--------------
# Azureサービスオブジェクトを作成
sms = ServiceManagementService(subscription, certPath)
blobService = BlobService(storageAccount, accessKey)
#--------------
# コンテナとBlobオブジェクトを取得
# mediaLinkからBlobオブジェクトを得る
logger.debug("deleteOSandDataDisk.py: Container and Blob object get mediaLink...(%s)" % mediaLink)
# # 消すべきBlobの存在チェック
# # コンテナ一覧を取得
containerList = blobService.list_containers()
targetBlob = None
for container in containerList:
# # コンテナに含まれるBlob一覧を取得
blobList = blobService.list_blobs(container.name)
for blob in blobList:
# # URIから、先頭のhttp*://を取り除いた文字列を比較
blobname = blob.url.split('://')[1]
if blobname == mediaLink.split('://')[1]:
logger.debug('deleteOSandDataDisk.py: find target blobname: ' + blobname)
targetBlob = blob
targetContainer = container
# # 見つからなければエラー終了
if (targetBlob is None):
else:
sys.stderr.write("Azure account name is missing")
sys.exit(1)
if options.account_key:
account_key=options.account_key
else:
sys.stderr.write("Azure key is missing")
sys.exit(1)
if header and not options.output_format:
print '\t'.join(str(h) for h in headers)
blob_service = BlobService(account_name, account_key)
for container in blob_service.list_containers():
c = container.name
if c == "heartbeat": continue
if options.date and not ( c == "processed-"+options.date ): continue
if debug: sys.stderr.write("Processing container: "+str(c)+"\n")
for b in blob_service.list_blobs(c):
if debug: sys.stderr.write("Processing blob: "+str(b.name)+"\n")
data = blob_service.get_blob(c, b.name)
cs = StringIO.StringIO(data)
gzipstream = gzip.GzipFile(fileobj=cs)
if output_format == "txt":
print gzipstream.read()
elif output_format == "json":
d = {}
i = 0
ds = gzipstream.read()
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 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
blobs.
blob_service: Nombre del servicio de gestion de blobs @class BlobService
"""
for i in blob_service.list_containers().containers:
print("Nombre del contenedor: {}".format(i.name))
print("Url del contenedor: {}".format(i.url))
print("##############################")
for j in blob_service.list_blobs(i.name).blobs:
print("\tNombre del Blob: {}".format(j.name))
print("\tUrl del Blob: {}".format(j.url))
print("\t------------------------------")
blob_service = BlobService(credentials.account_name, credentials.account_key)
getContainersWithBlobs(blob_service)
f_blob = open('Ejercicio10.txt', "w")
for i in blob_service.list_containers().containers:
f_blob.write("Nombre del contenedor: {}".format(i.name))
f_blob.write("Url del contenedor: {}".format(i.url))
f_blob.write("##############################")
for j in blob_service.list_blobs(i.name).blobs:
f_blob.write("\tNombre del Blob: {}".format(j.name))
f_blob.write("\tUrl del Blob: {}".format(j.url))
f_blob.write("\t------------------------------")
f_blob.close()
blob_service.put_blob('code', 'f_blob.txt', f_blob, 'BlockBlob')
