def post(self, request, provider_uuid, identity_uuid):
"""
Updates DB values for volume
"""
user = request.user
data = request.data
missing_keys = valid_snapshot_post_data(data)
if missing_keys:
return keys_not_found(missing_keys)
# Required
size = data.get('size')
volume_id = data.get('volume_id')
display_name = data.get('display_name')
# Optional
description = data.get('description')
metadata = data.get('metadata')
snapshot_id = data.get('snapshot_id')
# STEP 0 - Existence tests
try:
esh_driver = prepare_driver(request, provider_uuid, identity_uuid)
except ProviderNotActive as pna:
return inactive_provider(pna)
except Exception as e:
return failure_response(
status.HTTP_409_CONFLICT,
e.message)
if not esh_driver:
return invalid_creds(provider_uuid, identity_uuid)
try:
esh_volume = esh_driver.get_volume(volume_id)
except (socket_error, ConnectionFailure):
return connection_failure(provider_uuid, identity_uuid)
except LibcloudInvalidCredsError:
return invalid_creds(provider_uuid, identity_uuid)
except Exception as exc:
logger.exception("Encountered a generic exception. "
"Returning 409-CONFLICT")
return failure_response(status.HTTP_409_CONFLICT,
str(exc.message))
# TODO: Put quota tests at the TOP so we dont over-create resources!
# STEP 1 - Reuse/Create snapshot
if snapshot_id:
snapshot = esh_driver._connection.get_snapshot(snapshot_id)
if not snapshot:
return failure_response(
status.HTTP_400_BAD_REQUEST,
"Snapshot %s not found. Process aborted."
% snapshot_id)
else:
# Normal flow, create a snapshot from the volume
if not esh_volume:
return volume_not_found(volume_id)
if esh_volume.extra['status'].lower() != 'available':
return failure_response(
status.HTTP_400_BAD_REQUEST,
"Volume status must be 'available'. "
"Did you detach the volume?")
snapshot = esh_driver._connection.ex_create_snapshot(
esh_volume, display_name, description)
if not snapshot:
return failure_response(
status.HTTP_400_BAD_REQUEST,
"Snapshot not created. Process aborted.")
# STEP 2 - Create volume from snapshot
try:
success, esh_volume = create_esh_volume(esh_driver, identity_uuid,
display_name, size,
description, metadata,
snapshot=snapshot)
if not success:
return failure_response(
status.HTTP_500_INTERNAL_SERVER_ERROR,
'Volume creation failed. Contact support')
# Volume creation succeeded
core_volume = convert_esh_volume(esh_volume, provider_uuid,
identity_uuid, user)
serialized_data = VolumeSerializer(
core_volume,
context={'request': request}).data
return Response(serialized_data, status=status.HTTP_201_CREATED)
except OverQuotaError as oqe:
return over_quota(oqe)
except ConnectionFailure:
return connection_failure(provider_uuid, identity_uuid)
except LibcloudInvalidCredsError:
return invalid_creds(provider_uuid, identity_uuid)
def post(self, request, provider_uuid, identity_uuid):
"""
Updates DB values for volume
"""
user = request.user
data = request.data
missing_keys = valid_snapshot_post_data(data)
if missing_keys:
return keys_not_found(missing_keys)
# Required
size = data.get('size')
volume_id = data.get('volume_id')
display_name = data.get('display_name')
# Optional
description = data.get('description')
metadata = data.get('metadata')
snapshot_id = data.get('snapshot_id')
# STEP 0 - Existence tests
try:
esh_driver = prepare_driver(request, provider_uuid, identity_uuid)
except ProviderNotActive as pna:
return inactive_provider(pna)
except Exception as e:
return failure_response(
status.HTTP_409_CONFLICT,
e.message)
if not esh_driver:
return invalid_creds(provider_uuid, identity_uuid)
try:
esh_volume = esh_driver.get_volume(volume_id)
except (socket_error, ConnectionFailure):
return connection_failure(provider_uuid, identity_uuid)
except LibcloudInvalidCredsError:
return invalid_creds(provider_uuid, identity_uuid)
except Exception as exc:
logger.exception("Encountered a generic exception. "
"Returning 409-CONFLICT")
return failure_response(status.HTTP_409_CONFLICT,
str(exc.message))
# TODO: Put quota tests at the TOP so we dont over-create resources!
# STEP 1 - Reuse/Create snapshot
if snapshot_id:
snapshot = esh_driver._connection.get_snapshot(snapshot_id)
if not snapshot:
return failure_response(
status.HTTP_400_BAD_REQUEST,
"Snapshot %s not found. Process aborted."
% snapshot_id)
else:
# Normal flow, create a snapshot from the volume
if not esh_volume:
return volume_not_found(volume_id)
if esh_volume.extra['status'].lower() != 'available':
return failure_response(
status.HTTP_400_BAD_REQUEST,
"Volume status must be 'available'. "
"Did you detach the volume?")
snapshot = esh_driver._connection.ex_create_snapshot(
esh_volume, display_name, description)
if not snapshot:
return failure_response(
status.HTTP_400_BAD_REQUEST,
"Snapshot not created. Process aborted.")
# STEP 2 - Create volume from snapshot
try:
success, esh_volume = create_esh_volume(esh_driver, identity_uuid,
display_name, size,
description, metadata,
snapshot=snapshot)
if not success:
return failure_response(
status.HTTP_500_INTERNAL_SERVER_ERROR,
'Volume creation failed. Contact support')
# Volume creation succeeded
core_volume = convert_esh_volume(esh_volume, provider_uuid,
identity_uuid, user)
serialized_data = VolumeSerializer(
core_volume,
context={'request': request}).data
return Response(serialized_data, status=status.HTTP_201_CREATED)
except OverQuotaError as oqe:
return over_quota(oqe)
except ConnectionFailure:
return connection_failure(provider_uuid, identity_uuid)
except LibcloudInvalidCredsError:
return invalid_creds(provider_uuid, identity_uuid)
def post(self, request, provider_uuid, identity_uuid):
"""
Creates a new volume and adds it to the DB
"""
user = request.user
try:
membership = IdentityMembership.objects.get(
identity__uuid=identity_uuid,
member__name=user.username)
except:
return failure_response(
status.HTTP_409_CONFLICT,
"Identity %s is invalid -OR- User %s does not have the appropriate IdentityMembership." % (identity_uuid, user))
try:
driver = prepare_driver(request, provider_uuid, identity_uuid)
except ProviderNotActive as pna:
return inactive_provider(pna)
except Exception as e:
return failure_response(
status.HTTP_409_CONFLICT,
e.message)
if not driver:
return invalid_creds(provider_uuid, identity_uuid)
data = request.data
missing_keys = valid_volume_post_data(data)
if missing_keys:
return keys_not_found(missing_keys)
# Pass arguments
name = data.get('name')
size = data.get('size')
# Optional fields
description = data.get('description')
image_id = data.get('image')
if image_id:
image = driver.get_machine(image_id)
image_size = image._connection.get_size(image._image)
if int(size) > image_size + 4:
return failure_response(
status.HTTP_400_BAD_REQUEST,
"Volumes created from images cannot exceed "
"more than 4GB greater than the size of "
"the image: %s GB" % image_size)
else:
image = None
snapshot_id = data.get('snapshot')
if snapshot_id:
snapshot = driver._connection.ex_get_snapshot(image_id)
else:
snapshot = None
try:
success, esh_volume = create_esh_volume(driver, user.username, identity_uuid,
name, size, description,
snapshot=snapshot, image=image)
except BaseHTTPError as http_error:
if 'Requested volume or snapshot exceed' in http_error.message:
return over_quota(http_error)
return failure_response(status.HTTP_400_BAD_REQUEST, http_error.message)
except OverQuotaError as oqe:
return over_quota(oqe)
except ConnectionFailure:
return connection_failure(provider_uuid, identity_uuid)
except LibcloudBadResponseError:
return malformed_response(provider_uuid, identity_uuid)
except LibcloudInvalidCredsError:
return invalid_creds(provider_uuid, identity_uuid)
if not success:
return failure_response(
status.HTTP_500_INTERNAL_SERVER_ERROR,
'Volume creation failed. Contact support')
# Volume creation succeeded
core_volume = convert_esh_volume(esh_volume, provider_uuid,
identity_uuid, user)
serialized_data = VolumeSerializer(core_volume,
context={'request': request}).data
return Response(serialized_data, status=status.HTTP_201_CREATED)
def post(self, request, provider_uuid, identity_uuid):
"""
Creates a new volume and adds it to the DB
"""
user = request.user
try:
membership = IdentityMembership.objects.get(
identity__uuid=identity_uuid,
member__memberships__user=user)
except:
return failure_response(
status.HTTP_409_CONFLICT,
"Identity %s is invalid -OR- User %s does not have the appropriate IdentityMembership." % (identity_uuid, user))
try:
driver = prepare_driver(request, provider_uuid, identity_uuid)
except ProviderNotActive as pna:
return inactive_provider(pna)
except Exception as e:
return failure_response(
status.HTTP_409_CONFLICT,
e.message)
if not driver:
return invalid_creds(provider_uuid, identity_uuid)
data = request.data
missing_keys = valid_volume_post_data(data)
if missing_keys:
return keys_not_found(missing_keys)
# Pass arguments
name = data.get('name')
size = data.get('size')
# Optional fields
description = data.get('description')
image_id = data.get('image')
if image_id:
image = driver.get_machine(image_id)
image_size = image._connection.get_size(image._image)
if int(size) > image_size + 4:
return failure_response(
status.HTTP_400_BAD_REQUEST,
"Volumes created from images cannot exceed "
"more than 4GB greater than the size of "
"the image: %s GB" % image_size)
else:
image = None
snapshot_id = data.get('snapshot')
if snapshot_id:
snapshot = driver._connection.ex_get_snapshot(image_id)
else:
snapshot = None
try:
success, esh_volume = create_esh_volume(driver, user.username, identity_uuid,
name, size, description,
snapshot=snapshot, image=image)
except BaseHTTPError as http_error:
if 'Requested volume or snapshot exceed' in http_error.message:
return over_quota(http_error)
return failure_response(status.HTTP_400_BAD_REQUEST, http_error.message)
except OverQuotaError as oqe:
return over_quota(oqe)
except ConnectionFailure:
return connection_failure(provider_uuid, identity_uuid)
except LibcloudBadResponseError:
return malformed_response(provider_uuid, identity_uuid)
except LibcloudInvalidCredsError:
return invalid_creds(provider_uuid, identity_uuid)
if not success:
return failure_response(
status.HTTP_500_INTERNAL_SERVER_ERROR,
'Volume creation failed. Contact support')
# Volume creation succeeded
core_volume = convert_esh_volume(esh_volume, provider_uuid,
identity_uuid, user)
serialized_data = VolumeSerializer(core_volume,
context={'request': request}).data
return Response(serialized_data, status=status.HTTP_201_CREATED)
