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libcloud_deprecated_objectexercizer.py
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libcloud_deprecated_objectexercizer.py
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# Copyright 2018 BigBitBus Inc.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from libcloud.storage.types import Provider, ContainerDoesNotExistError
from libcloud.storage.providers import get_driver
import os
from os.path import join, getsize
import time
from traceback import format_exc
def makeRandomBinFiles (outdir='/tmp/smalldir',
numFiles=10,
minSizekb=1,
maxSizekb = 1000001):
ctr = 1
while ctr <= numFiles:
try:
fileSize = max( 1, ctr * (maxSizekb - minSizekb)/numFiles)
with open(join(outdir,'file_'+ str(fileSize)), 'wb') as fout:
fout.write(os.urandom(fileSize))
ctr = ctr + 1
except:
print "Error creating random files"
print(format_exc())
def get_container(driver, container_name='somecontainer'):
containers = driver.list_containers()
for aContainer in containers:
if aContainer.name == container_name:
return aContainer
return None
def objUploader (credentials = {'uid': 'access_key', 'secret': 'secret_key'},
provider = Provider.S3,
container_name = 'blobtestcontainer',
rootDir='/tmp/smalldir/uploads'):
cls = get_driver(provider)
driver = cls(credentials['uid'], credentials['secret'])
container = get_container(driver, container_name)
if container == None:
print "Creating container {}".format(container_name)
container = driver.create_container(container_name=container_name)
dic_uploadData = {}
for root, dirs, files in os.walk(rootDir):
for name in files:
filePath = join(root,name)
startTime = time.time()
try:
with open(filePath, 'rb') as iterator:
obj = driver.upload_object_via_stream(iterator=iterator,
container=container,
object_name=filePath)
dic_uploadData[filePath] = (time.time() - startTime, getsize(filePath))
except:
print ('Failure uploading {}'.format(filePath))
print (format_exc())
dic_uploadData[filePath] = -1
return dic_uploadData
def objDownloader(driver, container, obj, destDir):
objDl = driver.get_object(container_name=container.name,
object_name=obj.name)
fileName = os.path.basename(objDl.name)
path = os.path.join(join(destDir, fileName))
objDl.download(destination_path=path, overwrite_existing=True)
return (path, getsize(path))
def containerDownloader (credentials = {'uid': 'access_key', 'secret': 'secret_key'},
provider = Provider.S3,
container_name = 'blobtestcontainer',
destDir='/tmp/smalldir/downloads'):
"""
Download all objects from the container into the destDir.
Keyword Arguments:
credentials {dict} -- [secret key and access key] (default: {{'uid': 'access_key', 'secret': 'secret_key'}})
provider {[type]} -- [Cloud provider] (default: {Provider.S3})
container_name {str} -- [Name of the container] (default: {'blobtestcontainer'})
destDir {str} -- [Download destination directory] (default: {'/tmp/smalldir/downloads'})
Returns:
[type] -- [description]
"""
dic_downloadData = {}
cls = get_driver(provider)
driver = cls(credentials['uid'], credentials['secret'])
container = get_container(driver, container_name)
objects = container.list_objects()
for obj in objects:
startTime = time.time()
path, size = objDownloader(driver, container, obj, destDir)
dic_downloadData[path] = (time.time() - startTime, size)
return dic_downloadData
def containerRemover(credentials = {'uid': 'access_key', 'secret': 'secret_key'},
provider = Provider.S3,
container_name = 'blobtestcontainer' ):
"""
Remove all objects from the container.
Keyword Arguments:
container_name {str} -- [Name of the container] (default: {'blobtestcontainer'})
"""
dic_deleteData = {}
cls = get_driver(provider)
driver = cls(credentials['uid'], credentials['secret'], project='salttest-197409')
try:
container = get_container(driver, container_name)
objects = container.list_objects()
for obj in objects:
startTime = time.time()
driver.delete_object(obj)
dic_deleteData[obj.name] = (time.time() - startTime)
driver.delete_container(container)
except:
print "Container does not exist; or error in containerRemover"
print format_exc()
return dic_deleteData
if __name__=="__main__":
#GCE
#credentials = {'uid': os.environ['GCP_ACCESS_KEY'], 'secret': os.environ['GCP_SECRET_KEY'] }
#AZURE
credentials = {'uid': os.environ['AZBLOBACCOUNT'], 'secret': os.environ['AZBLOBKEY'] }
# dic_deleteData = containerRemover(credentials, Provider.GOOGLE_STORAGE)
#makeRandomBinFiles()
dic_upData = objUploader(credentials, Provider.AZURE_BLOBS)
# dic_dlData = containerDownloader(credentials, Provider.GOOGLE_STORAGE)
# print dic_deleteData
# print dic_upData
# print dic_dlData