def wait_for_blob_copy_operation(blob_name, target_container_name, target_storage_account_name,
azure_pool_frequency, location):
progress_controller = APPLICATION.get_progress_controller()
copy_status = "pending"
prev_progress = -1
while copy_status == "pending":
cmd = prepare_cli_command(['storage', 'blob', 'show',
'--name', blob_name,
'--container-name', target_container_name,
'--account-name', target_storage_account_name])
json_output = run_cli_command(cmd, return_as_json=True)
copy_status = json_output["properties"]["copy"]["status"]
copy_progress_1, copy_progress_2 = json_output["properties"]["copy"]["progress"].split("/")
current_progress = round(int(copy_progress_1) / int(copy_progress_2), 1)
if current_progress != prev_progress:
msg = "{0} - copy progress: {1}%"\
.format(location, str(current_progress))\
.ljust(PROGRESS_LINE_LENGTH) # need to justify since messages overide each other
progress_controller.add(message=msg)
prev_progress = current_progress
try:
time.sleep(azure_pool_frequency)
except KeyboardInterrupt:
progress_controller.stop()
return
if copy_status == 'success':
progress_controller.stop()
else:
logger.error("The copy operation didn't succeed. Last status: %s", copy_status)
raise CLIError('Blob copy failed')
def create_resource_group(resource_group_name, location):
# check if target resource group exists
cli_cmd = prepare_cli_command(['group', 'exists',
'--name', resource_group_name], output_as_json=False)
cmd_output = run_cli_command(cli_cmd)
if 'true' in cmd_output:
return
# create the target resource group
logger.warn("Creating resource group: %s", resource_group_name)
cli_cmd = prepare_cli_command(['group', 'create',
'--name', resource_group_name,
'--location', location])
run_cli_command(cli_cmd)
def create_snapshot_from_vhd(location, target_blob_path, target_snapshot_name,
transient_resource_group_name):
cli_cmd = prepare_cli_command([
'snapshot', 'create', '--resource-group',
transient_resource_group_name, '--name', target_snapshot_name,
'--location', location, '--source', target_blob_path
])
json_output = run_cli_command(cli_cmd, return_as_json=True)
return json_output
def create_resource_group(resource_group_name, location, subscription=None):
# check if target resource group exists
cli_cmd = prepare_cli_command(['group', 'exists',
'--name', resource_group_name],
output_as_json=False,
subscription=subscription)
cmd_output = run_cli_command(cli_cmd)
if 'true' in cmd_output:
return
# create the target resource group
logger.warn("Creating resource group: %s", resource_group_name)
cli_cmd = prepare_cli_command(['group', 'create',
'--name', resource_group_name,
'--location', location],
subscription=subscription)
run_cli_command(cli_cmd)
def wait_for_blob_copy_operation(blob_name, target_container_name,
target_storage_account_name,
azure_pool_frequency, location, subscription):
copy_status = "pending"
prev_progress = -1
retries = 0
while copy_status == "pending":
try:
cli_cmd = prepare_cli_command([
'storage', 'blob', 'show', '--name', blob_name,
'--container-name', target_container_name, '--account-name',
target_storage_account_name
],
subscription=subscription)
json_output = run_cli_command(cli_cmd, return_as_json=True)
copy_status = json_output["properties"]["copy"]["status"]
copy_progress_1, copy_progress_2 = json_output["properties"][
"copy"]["progress"].split("/")
current_progress = int(
int(copy_progress_1) / int(copy_progress_2) * 100)
except Exception as ex:
logger.warn(
"Got exception when trying to get blob: %s state, \n ex %s",
blob_name, str(ex))
if retries < 10:
time.sleep(20)
retries += 1
else:
raise ex
if current_progress != prev_progress:
msg = "{0} - Copy progress: {1}%"\
.format(location, str(current_progress))
logger.warn(msg)
prev_progress = current_progress
try:
time.sleep(azure_pool_frequency)
except KeyboardInterrupt:
return
if copy_status != 'success':
logger.error("The copy operation didn't succeed. Last status: %s",
copy_status)
logger.error("Command run: %s", cli_cmd)
logger.error("Command output: %s", json_output)
raise CLIError('Blob copy failed')
def wait_for_blob_copy_operation(blob_name, target_container_name,
target_storage_account_name,
azure_pool_frequency, location):
copy_status = "pending"
prev_progress = -1
while copy_status == "pending":
cli_cmd = prepare_cli_command([
'storage', 'blob', 'show', '--name', blob_name, '--container-name',
target_container_name, '--account-name',
target_storage_account_name
])
json_output = run_cli_command(cli_cmd, return_as_json=True)
copy_status = json_output["properties"]["copy"]["status"]
copy_progress_1, copy_progress_2 = json_output["properties"]["copy"][
"progress"].split("/")
current_progress = int(
int(copy_progress_1) / int(copy_progress_2) * 100)
if current_progress != prev_progress:
msg = "{0} - Copy progress: {1}%"\
.format(location, str(current_progress))
logger.warn(msg)
prev_progress = current_progress
try:
time.sleep(azure_pool_frequency)
except KeyboardInterrupt:
return
if copy_status == 'success':
return
else:
logger.error("The copy operation didn't succeed. Last status: %s",
copy_status)
raise CLIError('Blob copy failed')
def create_target_image(cmd, location, transient_resource_group_name,
source_type, source_object_name,
source_os_disk_snapshot_name,
source_os_disk_snapshot_url, source_os_type,
target_resource_group_name, azure_pool_frequency, tags,
target_name, target_subscription, export_as_snapshot,
timeout):
random_string = get_random_string(STORAGE_ACCOUNT_NAME_LENGTH -
len(location))
# create the target storage account. storage account name must be lowercase.
logger.warning(
"%s - Creating target storage account (can be slow sometimes)",
location)
target_storage_account_name = location.lower() + random_string
cli_cmd = prepare_cli_command([
'storage', 'account', 'create', '--name', target_storage_account_name,
'--resource-group', transient_resource_group_name, '--location',
location, '--sku', 'Standard_LRS'
],
subscription=target_subscription)
json_output = run_cli_command(cli_cmd, return_as_json=True)
target_blob_endpoint = json_output['primaryEndpoints']['blob']
# Setup the target storage account
cli_cmd = prepare_cli_command([
'storage', 'account', 'keys', 'list', '--account-name',
target_storage_account_name, '--resource-group',
transient_resource_group_name
],
subscription=target_subscription)
json_output = run_cli_command(cli_cmd, return_as_json=True)
target_storage_account_key = json_output[0]['value']
logger.debug("storage account key: %s", target_storage_account_key)
expiry_format = "%Y-%m-%dT%H:%MZ"
expiry = datetime.datetime.utcnow() + datetime.timedelta(seconds=timeout)
logger.debug("create target storage sas using timeout seconds: %d",
timeout)
cli_cmd = prepare_cli_command([
'storage', 'account', 'generate-sas', '--account-name',
target_storage_account_name, '--account-key',
target_storage_account_key, '--expiry',
expiry.strftime(expiry_format), '--permissions', 'aclrpuw',
'--resource-types', 'sco', '--services', 'b', '--https-only'
],
output_as_json=False,
subscription=target_subscription)
sas_token = run_cli_command(cli_cmd)
sas_token = sas_token.rstrip("\n\r") # STRANGE
logger.debug("sas token: %s", sas_token)
# create a container in the target blob storage account
logger.warning("%s - Creating container in the target storage account",
location)
target_container_name = 'snapshots'
cli_cmd = prepare_cli_command([
'storage', 'container', 'create', '--name', target_container_name,
'--account-name', target_storage_account_name
],
subscription=target_subscription)
run_cli_command(cli_cmd)
# Copy the snapshot to the target region using the SAS URL
blob_name = source_os_disk_snapshot_name + '.vhd'
logger.warning("%s - Copying blob to target storage account", location)
cli_cmd = prepare_cli_command([
'storage', 'blob', 'copy', 'start', '--source-uri',
source_os_disk_snapshot_url, '--destination-blob', blob_name,
'--destination-container', target_container_name, '--account-name',
target_storage_account_name, '--sas-token', sas_token
],
subscription=target_subscription)
run_cli_command(cli_cmd)
# Wait for the copy to complete
start_datetime = datetime.datetime.now()
wait_for_blob_copy_operation(blob_name, target_container_name,
target_storage_account_name,
azure_pool_frequency, location,
target_subscription)
msg = "{0} - Copy time: {1}".format(
location,
datetime.datetime.now() - start_datetime)
logger.warning(msg)
# Create the snapshot in the target region from the copied blob
logger.warning(
"%s - Creating snapshot in target region from the copied blob",
location)
target_blob_path = target_blob_endpoint + \
target_container_name + '/' + blob_name
target_snapshot_name = source_os_disk_snapshot_name + '-' + location
if export_as_snapshot:
snapshot_resource_group_name = target_resource_group_name
else:
snapshot_resource_group_name = transient_resource_group_name
source_storage_account_id = get_storage_account_id_from_blob_path(
cmd, target_blob_path, transient_resource_group_name,
target_subscription)
cli_cmd = prepare_cli_command([
'snapshot', 'create', '--resource-group', snapshot_resource_group_name,
'--name', target_snapshot_name, '--location', location, '--source',
target_blob_path, '--source-storage-account-id',
source_storage_account_id
],
subscription=target_subscription)
json_output = run_cli_command(cli_cmd, return_as_json=True)
target_snapshot_id = json_output['id']
# Optionally create the final image
if export_as_snapshot:
logger.warning("%s - Skipping image creation", location)
else:
logger.warning("%s - Creating final image", location)
if target_name is None:
target_image_name = source_object_name
if source_type != 'image':
target_image_name += '-image'
target_image_name += '-' + location
else:
target_image_name = target_name
cli_cmd = prepare_cli_command([
'image', 'create', '--resource-group', target_resource_group_name,
'--name', target_image_name, '--location', location, '--os-type',
source_os_type, '--source', target_snapshot_id
],
tags=tags,
subscription=target_subscription)
run_cli_command(cli_cmd)
def imagecopy(source_resource_group_name,
source_object_name,
target_location,
target_resource_group_name,
source_type='image',
cleanup='false',
parallel_degree=-1,
tags=None,
target_name=None):
# get the os disk id from source vm/image
logger.warn("Getting os disk id of the source vm/image")
cli_cmd = prepare_cli_command([
source_type, 'show', '--name', source_object_name, '--resource-group',
source_resource_group_name
])
json_cmd_output = run_cli_command(cli_cmd, return_as_json=True)
if json_cmd_output['storageProfile']['dataDisks']:
logger.warn(
"Data disks in the source detected, but are ignored by this extension!"
)
source_os_disk_id = None
source_os_disk_type = None
try:
source_os_disk_id = json_cmd_output['storageProfile']['osDisk'][
'managedDisk']['id']
if source_os_disk_id is None:
raise TypeError
source_os_disk_type = "DISK"
logger.debug("found %s: %s", source_os_disk_type, source_os_disk_id)
except TypeError:
try:
source_os_disk_id = json_cmd_output['storageProfile']['osDisk'][
'blobUri']
if source_os_disk_id is None:
raise TypeError
source_os_disk_type = "BLOB"
logger.debug("found %s: %s", source_os_disk_type,
source_os_disk_id)
except TypeError:
try: # images created by e.g. image-copy extension
source_os_disk_id = json_cmd_output['storageProfile'][
'osDisk']['snapshot']['id']
if source_os_disk_id is None:
raise TypeError
source_os_disk_type = "SNAPSHOT"
logger.debug("found %s: %s", source_os_disk_type,
source_os_disk_id)
except TypeError:
pass
if source_os_disk_type is None or source_os_disk_id is None:
logger.error(
'Unable to locate a supported os disk type in the provided source object'
)
raise CLIError('Invalid OS Disk Source Type')
source_os_type = json_cmd_output['storageProfile']['osDisk']['osType']
logger.debug(
"source_os_disk_type: %s. source_os_disk_id: %s. source_os_type: %s",
source_os_disk_type, source_os_disk_id, source_os_type)
# create source snapshots
# TODO: skip creating another snapshot when the source is a snapshot
logger.warn("Creating source snapshot")
source_os_disk_snapshot_name = source_object_name + '_os_disk_snapshot'
cli_cmd = prepare_cli_command([
'snapshot', 'create', '--name', source_os_disk_snapshot_name,
'--resource-group', source_resource_group_name, '--source',
source_os_disk_id
])
run_cli_command(cli_cmd)
# Get SAS URL for the snapshotName
logger.warn("Getting sas url for the source snapshot")
cli_cmd = prepare_cli_command([
'snapshot', 'grant-access', '--name', source_os_disk_snapshot_name,
'--resource-group', source_resource_group_name,
'--duration-in-seconds', '3600'
])
json_output = run_cli_command(cli_cmd, return_as_json=True)
source_os_disk_snapshot_url = json_output['accessSas']
logger.debug("source os disk snapshot url: %s",
source_os_disk_snapshot_url)
# Start processing in the target locations
transient_resource_group_name = 'image-copy-rg'
# pick the first location for the temp group
transient_resource_group_location = target_location[0].strip()
create_resource_group(transient_resource_group_name,
transient_resource_group_location)
target_locations_count = len(target_location)
logger.warn("Target location count: %s", target_locations_count)
create_resource_group(target_resource_group_name,
target_location[0].strip())
if parallel_degree == -1:
pool = Pool(target_locations_count)
else:
pool = Pool(min(parallel_degree, target_locations_count))
# try to get a handle on arm's 409s
azure_pool_frequency = 5
if target_locations_count >= 5:
azure_pool_frequency = 15
elif target_locations_count >= 3:
azure_pool_frequency = 10
tasks = []
for location in target_location:
location = location.strip()
tasks.append((location, transient_resource_group_name, source_type,
source_object_name, source_os_disk_snapshot_name,
source_os_disk_snapshot_url, source_os_type,
target_resource_group_name, azure_pool_frequency, tags,
target_name))
logger.warn("Starting async process for all locations")
for task in tasks:
pool.apply_async(create_target_image, task)
try:
pool.close()
pool.join()
except KeyboardInterrupt:
logger.warn('User cancelled the operation')
if cleanup:
logger.warn(
'To cleanup temporary resources look for ones tagged with "image-copy-extension". \n'
'You can use the following command: az resource list --tag created_by=image-copy-extension'
)
pool.terminate()
return
# Cleanup
if cleanup:
logger.warn('Deleting transient resources')
# Delete resource group
cli_cmd = prepare_cli_command([
'group', 'delete', '--no-wait', '--yes', '--name',
transient_resource_group_name
])
run_cli_command(cli_cmd)
# Revoke sas for source snapshot
cli_cmd = prepare_cli_command([
'snapshot', 'revoke-access', '--name',
source_os_disk_snapshot_name, '--resource-group',
source_resource_group_name
])
run_cli_command(cli_cmd)
# Delete source snapshot
# TODO: skip this if source is snapshot and not creating a new one
cli_cmd = prepare_cli_command([
'snapshot', 'delete', '--name', source_os_disk_snapshot_name,
'--resource-group', source_resource_group_name
])
run_cli_command(cli_cmd)
def get_subscription_id():
cli_cmd = prepare_cli_command(['account', 'show'])
json_output = run_cli_command(cli_cmd, return_as_json=True)
subscription_id = json_output['id']
return subscription_id
def imagecopy(source_resource_group_name, source_object_name, target_location,
target_resource_group_name, source_type='image', cleanup='false', parallel_degree=-1):
# get the os disk id from source vm/image
logger.warn("Getting os disk id of the source vm/image")
cli_cmd = prepare_cli_command([source_type, 'show',
'--name', source_object_name,
'--resource-group', source_resource_group_name])
json_cmd_output = run_cli_command(cli_cmd, return_as_json=True)
source_os_disk_id = json_cmd_output['storageProfile']['osDisk']['managedDisk']['id']
source_os_type = json_cmd_output['storageProfile']['osDisk']['osType']
logger.debug("source_os_disk_id: %s. source_os_type: %s",
source_os_disk_id, source_os_type)
# create source snapshots
logger.warn("Creating source snapshot")
source_os_disk_snapshot_name = source_object_name + '_os_disk_snapshot'
cli_cmd = prepare_cli_command(['snapshot', 'create',
'--name', source_os_disk_snapshot_name,
'--resource-group', source_resource_group_name,
'--source', source_os_disk_id])
run_cli_command(cli_cmd)
# Get SAS URL for the snapshotName
logger.warn("Getting sas url for the source snapshot")
cli_cmd = prepare_cli_command(['snapshot', 'grant-access',
'--name', source_os_disk_snapshot_name,
'--resource-group', source_resource_group_name,
'--duration-in-seconds', '3600'])
json_output = run_cli_command(cli_cmd, return_as_json=True)
source_os_disk_snapshot_url = json_output['accessSas']
logger.debug("source os disk snapshot url: %s",
source_os_disk_snapshot_url)
# Start processing in the target locations
transient_resource_group_name = 'image-copy-rg'
create_resource_group(transient_resource_group_name, 'eastus')
target_locations_count = len(target_location)
logger.warn("Target location count: %s", target_locations_count)
create_resource_group(target_resource_group_name,
target_location[0].strip())
if parallel_degree == -1:
pool = Pool(target_locations_count)
else:
pool = Pool(min(parallel_degree, target_locations_count))
# try to get a handle on arm's 409s
azure_pool_frequency = 5
if target_locations_count >= 5:
azure_pool_frequency = 15
elif target_locations_count >= 3:
azure_pool_frequency = 10
tasks = []
for location in target_location:
location = location.strip()
tasks.append((location, transient_resource_group_name, source_type,
source_object_name, source_os_disk_snapshot_name, source_os_disk_snapshot_url,
source_os_type, target_resource_group_name, azure_pool_frequency))
logger.warn("Starting async process for all locations")
for task in tasks:
pool.apply_async(create_target_image, task)
try:
pool.close()
pool.join()
except KeyboardInterrupt:
logger.warn('User cancelled the operation')
if cleanup:
logger.warn('To cleanup temporary resources look for ones tagged with "image-copy-extension". \n'
'You can use the following command: az resource list --tag created_by=image-copy-extension')
pool.terminate()
return
# Cleanup
if cleanup:
logger.warn('Deleting transient resources')
# Delete resource group
cli_cmd = prepare_cli_command(['group', 'delete', '--no-wait', '--yes',
'--name', transient_resource_group_name])
run_cli_command(cli_cmd)
# Revoke sas for source snapshot
cli_cmd = prepare_cli_command(['snapshot', 'revoke-access',
'--name', source_os_disk_snapshot_name,
'--resource-group', source_resource_group_name])
run_cli_command(cli_cmd)
# Delete source snapshot
cli_cmd = prepare_cli_command(['snapshot', 'delete',
'--name', source_os_disk_snapshot_name,
'--resource-group', source_resource_group_name])
run_cli_command(cli_cmd)
def imagecopy(cmd,
source_resource_group_name,
source_object_name,
target_location,
target_resource_group_name,
temporary_resource_group_name='image-copy-rg',
source_type='image',
cleanup=False,
parallel_degree=-1,
tags=None,
target_name=None,
target_subscription=None,
export_as_snapshot='false',
timeout=3600):
if cleanup:
# If --cleanup is set, forbid using an existing temporary resource group name.
# It is dangerous to clean up an existing resource group.
cli_cmd = prepare_cli_command(
['group', 'exists', '-n', temporary_resource_group_name],
output_as_json=False)
cmd_output = run_cli_command(cli_cmd)
if 'true' in cmd_output:
raise CLIError(
'Don\'t specify an existing resource group in --temporary-resource-group-name '
'when --cleanup is set')
# get the os disk id from source vm/image
logger.warning("Getting OS disk ID of the source VM/image")
cli_cmd = prepare_cli_command([
source_type, 'show', '--name', source_object_name, '--resource-group',
source_resource_group_name
])
json_cmd_output = run_cli_command(cli_cmd, return_as_json=True)
if json_cmd_output['storageProfile']['dataDisks']:
logger.warning(
"Data disks in the source detected, but are ignored by this extension!"
)
source_os_disk_id = None
source_os_disk_type = None
try:
source_os_disk_id = json_cmd_output['storageProfile']['osDisk'][
'managedDisk']['id']
if source_os_disk_id is None:
raise TypeError
source_os_disk_type = "DISK"
logger.debug("found %s: %s", source_os_disk_type, source_os_disk_id)
except TypeError:
try:
source_os_disk_id = json_cmd_output['storageProfile']['osDisk'][
'blobUri']
if source_os_disk_id is None:
raise TypeError
source_os_disk_type = "BLOB"
logger.debug("found %s: %s", source_os_disk_type,
source_os_disk_id)
except TypeError:
try: # images created by e.g. image-copy extension
source_os_disk_id = json_cmd_output['storageProfile'][
'osDisk']['snapshot']['id']
if source_os_disk_id is None:
raise TypeError
source_os_disk_type = "SNAPSHOT"
logger.debug("found %s: %s", source_os_disk_type,
source_os_disk_id)
except TypeError:
pass
if source_os_disk_type is None or source_os_disk_id is None:
logger.error(
'Unable to locate a supported OS disk type in the provided source object'
)
raise CLIError('Invalid OS Disk Source Type')
source_os_type = json_cmd_output['storageProfile']['osDisk']['osType']
logger.debug(
"source_os_disk_type: %s. source_os_disk_id: %s. source_os_type: %s",
source_os_disk_type, source_os_disk_id, source_os_type)
# create source snapshots
# TODO: skip creating another snapshot when the source is a snapshot
logger.warning("Creating source snapshot")
source_os_disk_snapshot_name = source_object_name + '_os_disk_snapshot'
if source_os_disk_type == "BLOB":
source_storage_account_id = get_storage_account_id_from_blob_path(
cmd, source_os_disk_id, source_resource_group_name)
cli_cmd = prepare_cli_command([
'snapshot', 'create', '--name', source_os_disk_snapshot_name,
'--resource-group', source_resource_group_name, '--source',
source_os_disk_id, '--source-storage-account-id',
source_storage_account_id
])
else:
cli_cmd = prepare_cli_command([
'snapshot', 'create', '--name', source_os_disk_snapshot_name,
'--resource-group', source_resource_group_name, '--source',
source_os_disk_id
])
run_cli_command(cli_cmd)
# Get SAS URL for the snapshotName
logger.warning(
"Getting sas url for the source snapshot with timeout: %d seconds",
timeout)
if timeout < 3600:
logger.error("Timeout should be greater than 3600 seconds")
raise CLIError('Invalid Timeout')
cli_cmd = prepare_cli_command([
'snapshot', 'grant-access', '--name', source_os_disk_snapshot_name,
'--resource-group', source_resource_group_name,
'--duration-in-seconds',
str(timeout)
])
json_output = run_cli_command(cli_cmd, return_as_json=True)
source_os_disk_snapshot_url = json_output['accessSas']
logger.debug("source os disk snapshot url: %s",
source_os_disk_snapshot_url)
# Start processing in the target locations
transient_resource_group_name = temporary_resource_group_name
# pick the first location for the temp group
transient_resource_group_location = target_location[0].strip()
create_resource_group(transient_resource_group_name,
transient_resource_group_location,
target_subscription)
target_locations_count = len(target_location)
logger.warning("Target location count: %s", target_locations_count)
create_resource_group(target_resource_group_name,
target_location[0].strip(), target_subscription)
try:
# try to get a handle on arm's 409s
azure_pool_frequency = 5
if target_locations_count >= 5:
azure_pool_frequency = 15
elif target_locations_count >= 3:
azure_pool_frequency = 10
if (target_locations_count == 1) or (parallel_degree == 1):
# Going to copy to targets one-by-one
logger.debug("Starting sync process for all locations")
for location in target_location:
location = location.strip()
create_target_image(
cmd, location, transient_resource_group_name, source_type,
source_object_name, source_os_disk_snapshot_name,
source_os_disk_snapshot_url, source_os_type,
target_resource_group_name, azure_pool_frequency, tags,
target_name, target_subscription, export_as_snapshot,
timeout)
else:
if parallel_degree == -1:
pool = Pool(target_locations_count)
else:
pool = Pool(min(parallel_degree, target_locations_count))
tasks = []
for location in target_location:
location = location.strip()
tasks.append(
(location, transient_resource_group_name, source_type,
source_object_name, source_os_disk_snapshot_name,
source_os_disk_snapshot_url, source_os_type,
target_resource_group_name, azure_pool_frequency, tags,
target_name, target_subscription, export_as_snapshot,
timeout))
logger.warning("Starting async process for all locations")
for task in tasks:
pool.apply_async(create_target_image, task)
pool.close()
pool.join()
except KeyboardInterrupt:
logger.warning('User cancelled the operation')
if cleanup:
logger.warning(
'To cleanup temporary resources look for ones tagged with "image-copy-extension". \n'
'You can use the following command: az resource list --tag created_by=image-copy-extension'
)
pool.terminate()
return
# Cleanup
if cleanup:
logger.warning('Deleting transient resources')
# Delete resource group
cli_cmd = prepare_cli_command([
'group', 'delete', '--no-wait', '--yes', '--name',
transient_resource_group_name
],
subscription=target_subscription)
run_cli_command(cli_cmd)
# Revoke sas for source snapshot
cli_cmd = prepare_cli_command([
'snapshot', 'revoke-access', '--name',
source_os_disk_snapshot_name, '--resource-group',
source_resource_group_name
])
run_cli_command(cli_cmd)
# Delete source snapshot
# TODO: skip this if source is snapshot and not creating a new one
cli_cmd = prepare_cli_command([
'snapshot', 'delete', '--name', source_os_disk_snapshot_name,
'--resource-group', source_resource_group_name
])
run_cli_command(cli_cmd)
def imagecopy(source_resource_group_name, source_object_name, target_location,
target_resource_group_name, temporary_resource_group_name, source_type='image',
cleanup='false', parallel_degree=-1, tags=None, target_name=None,
target_subscription=None, timeout=3600, verify=False, manifest_file=None):
# get the os disk id from source vm/image
logger.warn("Getting os disk id of the source vm/image")
cli_cmd = prepare_cli_command([source_type, 'show',
'--name', source_object_name,
'--resource-group', source_resource_group_name])
json_cmd_output = run_cli_command(cli_cmd, return_as_json=True)
if json_cmd_output['storageProfile']['dataDisks']:
logger.warn(
"Data disks in the source detected, but are ignored by this extension!")
source_os_disk_id = None
source_os_disk_type = None
try:
source_os_disk_id = json_cmd_output['storageProfile']['osDisk']['managedDisk']['id']
if source_os_disk_id is None:
raise TypeError
source_os_disk_type = "DISK"
logger.debug("found %s: %s", source_os_disk_type, source_os_disk_id)
except TypeError:
try:
source_os_disk_id = json_cmd_output['storageProfile']['osDisk']['blobUri']
if source_os_disk_id is None:
raise TypeError
source_os_disk_type = "BLOB"
logger.debug("found %s: %s", source_os_disk_type, source_os_disk_id)
except TypeError:
try: # images created by e.g. image-copy extension
source_os_disk_id = json_cmd_output['storageProfile']['osDisk']['snapshot']['id']
if source_os_disk_id is None:
raise TypeError
source_os_disk_type = "SNAPSHOT"
logger.debug("found %s: %s", source_os_disk_type, source_os_disk_id)
except TypeError:
pass
if source_os_disk_type is None or source_os_disk_id is None:
logger.error(
'Unable to locate a supported os disk type in the provided source object')
raise CLIError('Invalid OS Disk Source Type')
source_os_type = json_cmd_output['storageProfile']['osDisk']['osType']
logger.debug("source_os_disk_type: %s. source_os_disk_id: %s. source_os_type: %s",
source_os_disk_type, source_os_disk_id, source_os_type)
# create source snapshots
# TODO: skip creating another snapshot when the source is a snapshot
logger.warn("Creating source snapshot")
source_os_disk_snapshot_name = source_object_name + '_os_disk_snapshot'
cli_cmd = prepare_cli_command(['snapshot', 'create',
'--name', source_os_disk_snapshot_name,
'--resource-group', source_resource_group_name,
'--source', source_os_disk_id])
run_cli_command(cli_cmd)
# Get SAS URL for the snapshotName
logger.warn("Getting sas url for the source snapshot with timeout seconds: %d", timeout)
if timeout < 3600:
logger.warn("Timeout should be greater than 3600")
raise CLIError('Inavlid Timeout')
cli_cmd = prepare_cli_command(['snapshot', 'grant-access',
'--name', source_os_disk_snapshot_name,
'--resource-group', source_resource_group_name,
'--duration-in-seconds', str(timeout)])
json_output = run_cli_command(cli_cmd, return_as_json=True)
source_os_disk_snapshot_url = json_output['accessSas']
logger.debug("source os disk snapshot url: %s",
source_os_disk_snapshot_url)
# Start processing in the target locations
transient_resource_group_name = temporary_resource_group_name
logger.info("temp resource group name is %s", transient_resource_group_name)
# pick the first location for the temp group
transient_resource_group_location = target_location[0].strip()
create_resource_group(transient_resource_group_name,
transient_resource_group_location,
target_subscription)
target_locations_count = len(target_location)
logger.warn("Target location count: %s", target_locations_count)
create_resource_group(target_resource_group_name,
target_location[0].strip(),
target_subscription)
try:
# try to get a handle on arm's 409s
azure_pool_frequency = 5
if target_locations_count >= 5:
azure_pool_frequency = 15
elif target_locations_count >= 3:
azure_pool_frequency = 10
pool = init_process_pool(parallel_degree, target_locations_count)
tasks = []
m = Manager()
manifest = m.dict()
for location in target_location:
logger.warn("Creating task for location: %s", location)
location = location.strip()
tasks.append((location, transient_resource_group_name, source_type,
source_object_name, source_os_disk_snapshot_name, source_os_disk_snapshot_url,
source_os_type, target_resource_group_name, azure_pool_frequency,
tags, target_name, target_subscription, timeout, manifest))
logger.warn("Starting async process of %d tasks for all locations", len(tasks))
for task in tasks:
pool.apply_async(create_target_image, task)
pool.close()
pool.join()
except KeyboardInterrupt:
logger.warn('User cancelled the operation')
if cleanup:
logger.warn('To cleanup temporary resources look for ones tagged with "image-copy-extension". \n'
'You can use the following command: az resource list --tag created_by=image-copy-extension')
pool.terminate()
return
# Cleanup
if cleanup:
logger.warn('Deleting transient resources')
# Delete resource group
cli_cmd = prepare_cli_command(['group', 'delete', '--no-wait', '--yes',
'--name', transient_resource_group_name],
subscription=target_subscription)
run_cli_command(cli_cmd)
# Revoke sas for source snapshot
cli_cmd = prepare_cli_command(['snapshot', 'revoke-access',
'--name', source_os_disk_snapshot_name,
'--resource-group', source_resource_group_name])
run_cli_command(cli_cmd)
# Delete source snapshot
# TODO: skip this if source is snapshot and not creating a new one
cli_cmd = prepare_cli_command(['snapshot', 'delete',
'--name', source_os_disk_snapshot_name,
'--resource-group', source_resource_group_name])
run_cli_command(cli_cmd)
if manifest_file is not None:
dict_manifest = dict(manifest)
logger.warn("Writing manifest %s to %s", pprint.pformat(dict_manifest), manifest_file)
with open(manifest_file, "w+") as f:
f.write(json.dumps(dict_manifest))
#Verify
if verify:
logger.warn("verifying images created on all regions")
dict_manifest = dict(manifest)
for location in target_location:
location = location.strip()
if location not in manifest:
logger.error("location: %s not found in manifest", location)
logger.error("verification failed try to delete all images")
delete_all_created_images(dict_manifest, parallel_degree, target_locations_count, target_resource_group_name)
exit(1)
def imagecopy(source_resource_group_name, source_object_name, target_location,
target_resource_group_name, temporary_resource_group_name='image-copy-rg',
source_type='image', cleanup='false', parallel_degree=-1, tags=None, target_name=None,
target_subscription=None, export_as_snapshot='false', timeout=3600):
# get the os disk id from source vm/image
logger.warn("Getting os disk id of the source vm/image")
cli_cmd = prepare_cli_command([source_type, 'show',
'--name', source_object_name,
'--resource-group', source_resource_group_name])
json_cmd_output = run_cli_command(cli_cmd, return_as_json=True)
if json_cmd_output['storageProfile']['dataDisks']:
logger.warn(
"Data disks in the source detected, but are ignored by this extension!")
source_os_disk_id = None
source_os_disk_type = None
try:
source_os_disk_id = json_cmd_output['storageProfile']['osDisk']['managedDisk']['id']
if source_os_disk_id is None:
raise TypeError
source_os_disk_type = "DISK"
logger.debug("found %s: %s", source_os_disk_type, source_os_disk_id)
except TypeError:
try:
source_os_disk_id = json_cmd_output['storageProfile']['osDisk']['blobUri']
if source_os_disk_id is None:
raise TypeError
source_os_disk_type = "BLOB"
logger.debug("found %s: %s", source_os_disk_type,
source_os_disk_id)
except TypeError:
try: # images created by e.g. image-copy extension
source_os_disk_id = json_cmd_output['storageProfile']['osDisk']['snapshot']['id']
if source_os_disk_id is None:
raise TypeError
source_os_disk_type = "SNAPSHOT"
logger.debug("found %s: %s", source_os_disk_type,
source_os_disk_id)
except TypeError:
pass
if source_os_disk_type is None or source_os_disk_id is None:
logger.error(
'Unable to locate a supported os disk type in the provided source object')
raise CLIError('Invalid OS Disk Source Type')
source_os_type = json_cmd_output['storageProfile']['osDisk']['osType']
logger.debug("source_os_disk_type: %s. source_os_disk_id: %s. source_os_type: %s",
source_os_disk_type, source_os_disk_id, source_os_type)
# create source snapshots
# TODO: skip creating another snapshot when the source is a snapshot
logger.warn("Creating source snapshot")
source_os_disk_snapshot_name = source_object_name + '_os_disk_snapshot'
cli_cmd = prepare_cli_command(['snapshot', 'create',
'--name', source_os_disk_snapshot_name,
'--resource-group', source_resource_group_name,
'--source', source_os_disk_id])
run_cli_command(cli_cmd)
# Get SAS URL for the snapshotName
logger.warn(
"Getting sas url for the source snapshot with timeout: %d seconds", timeout)
if timeout < 3600:
logger.error("Timeout should be greater than 3600 seconds")
raise CLIError('Invalid Timeout')
cli_cmd = prepare_cli_command(['snapshot', 'grant-access',
'--name', source_os_disk_snapshot_name,
'--resource-group', source_resource_group_name,
'--duration-in-seconds', str(timeout)])
json_output = run_cli_command(cli_cmd, return_as_json=True)
source_os_disk_snapshot_url = json_output['accessSas']
logger.debug("source os disk snapshot url: %s",
source_os_disk_snapshot_url)
# Start processing in the target locations
transient_resource_group_name = temporary_resource_group_name
# pick the first location for the temp group
transient_resource_group_location = target_location[0].strip()
create_resource_group(transient_resource_group_name,
transient_resource_group_location,
target_subscription)
target_locations_count = len(target_location)
logger.warn("Target location count: %s", target_locations_count)
create_resource_group(target_resource_group_name,
target_location[0].strip(),
target_subscription)
try:
# try to get a handle on arm's 409s
azure_pool_frequency = 5
if target_locations_count >= 5:
azure_pool_frequency = 15
elif target_locations_count >= 3:
azure_pool_frequency = 10
if parallel_degree == -1:
pool = Pool(target_locations_count)
else:
pool = Pool(min(parallel_degree, target_locations_count))
tasks = []
for location in target_location:
location = location.strip()
tasks.append((location, transient_resource_group_name, source_type,
source_object_name, source_os_disk_snapshot_name, source_os_disk_snapshot_url,
source_os_type, target_resource_group_name, azure_pool_frequency,
tags, target_name, target_subscription, export_as_snapshot, timeout))
logger.warn("Starting async process for all locations")
for task in tasks:
pool.apply_async(create_target_image, task)
pool.close()
pool.join()
except KeyboardInterrupt:
logger.warn('User cancelled the operation')
if cleanup:
logger.warn('To cleanup temporary resources look for ones tagged with "image-copy-extension". \n'
'You can use the following command: az resource list --tag created_by=image-copy-extension')
pool.terminate()
return
# Cleanup
if cleanup:
logger.warn('Deleting transient resources')
# Delete resource group
cli_cmd = prepare_cli_command(['group', 'delete', '--no-wait', '--yes',
'--name', transient_resource_group_name],
subscription=target_subscription)
run_cli_command(cli_cmd)
# Revoke sas for source snapshot
cli_cmd = prepare_cli_command(['snapshot', 'revoke-access',
'--name', source_os_disk_snapshot_name,
'--resource-group', source_resource_group_name])
run_cli_command(cli_cmd)
# Delete source snapshot
# TODO: skip this if source is snapshot and not creating a new one
cli_cmd = prepare_cli_command(['snapshot', 'delete',
'--name', source_os_disk_snapshot_name,
'--resource-group', source_resource_group_name])
run_cli_command(cli_cmd)
def create_target_image(location, transient_resource_group_name, source_type, source_object_name,
source_os_disk_snapshot_name, source_os_disk_snapshot_url, source_os_type,
target_resource_group_name, azure_pool_frequency):
subscription_id = get_subscription_id()
subscription_hash = hashlib.sha1(subscription_id.encode("UTF-8")).hexdigest()
unique_subscription_string = subscription_hash[:7]
# create the target storage account
logger.warn("{0} - Creating target storage account (can be slow sometimes)".format(location))
target_storage_account_name = location + unique_subscription_string
cmd = prepare_cli_command(['storage', 'account', 'create',
'--name', target_storage_account_name,
'--resource-group', transient_resource_group_name,
'--location', location,
'--sku', 'Standard_LRS'])
json_output = run_cli_command(cmd, return_as_json=True)
target_blob_endpoint = json_output['primaryEndpoints']['blob']
# Setup the target storage account
cmd = prepare_cli_command(['storage', 'account', 'keys', 'list',
'--account-name', target_storage_account_name,
'--resource-group', transient_resource_group_name])
json_output = run_cli_command(cmd, return_as_json=True)
target_storage_account_key = json_output[0]['value']
logger.debug(target_storage_account_key)
expiry_format = "%Y-%m-%dT%H:%MZ"
expiry = datetime.datetime.utcnow() + datetime.timedelta(hours=1)
cmd = prepare_cli_command(['storage', 'account', 'generate-sas',
'--account-name', target_storage_account_name,
'--account-key', target_storage_account_key,
'--expiry', expiry.strftime(expiry_format),
'--permissions', 'aclrpuw', '--resource-types',
'sco', '--services', 'b', '--https-only'],
output_as_json=False)
sas_token = run_cli_command(cmd)
sas_token = sas_token.rstrip("\n\r") # STRANGE
logger.debug("sas token: " + sas_token)
# create a container in the target blob storage account
logger.warn("{0} - Creating container in the target storage account".format(location))
target_container_name = 'snapshots'
cmd = prepare_cli_command(['storage', 'container', 'create',
'--name', target_container_name,
'--account-name', target_storage_account_name])
run_cli_command(cmd)
# Copy the snapshot to the target region using the SAS URL
blob_name = source_os_disk_snapshot_name + '.vhd'
logger.warn("{0} - Copying blob to target storage account".format(location))
cmd = prepare_cli_command(['storage', 'blob', 'copy', 'start',
'--source-uri', source_os_disk_snapshot_url,
'--destination-blob', blob_name,
'--destination-container', target_container_name,
'--account-name', target_storage_account_name,
'--sas-token', sas_token])
run_cli_command(cmd)
# Wait for the copy to complete
start_datetime = datetime.datetime.now()
wait_for_blob_copy_operation(blob_name, target_container_name,
target_storage_account_name, azure_pool_frequency, location)
msg = "{0} - Copy time: {1}".format(location, datetime.datetime.now() - start_datetime).ljust(PROGRESS_LINE_LENGTH)
logger.warn(msg)
# Create the snapshot in the target region from the copied blob
logger.warn("{0} - Creating snapshot in target region from the copied blob".format(location))
target_blob_path = target_blob_endpoint + target_container_name + '/' + blob_name
target_snapshot_name = source_os_disk_snapshot_name + '-' + location
cmd = prepare_cli_command(['snapshot', 'create',
'--resource-group', transient_resource_group_name,
'--name', target_snapshot_name,
'--location', location,
'--source', target_blob_path])
json_output = run_cli_command(cmd, return_as_json=True)
target_snapshot_id = json_output['id']
# Create the final image
logger.warn("{0} - Creating final image".format(location))
target_image_name = source_object_name
if source_type != 'image':
target_image_name += '-image'
target_image_name += '-' + location
cmd = prepare_cli_command(['image', 'create',
'--resource-group', target_resource_group_name,
'--name', target_image_name,
'--location', location,
'--source', target_blob_path,
'--os-type', source_os_type,
'--source', target_snapshot_id])
run_cli_command(cmd)