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# All Rights Reserved.
#
# 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 __future__ import print_function
import sys
import time
from cinderclient import exceptions
from cinderclient import utils
_quota_resources = ['volumes', 'snapshots', 'gigabytes',
'backups', 'backup_gigabytes',
'per_volume_gigabytes', 'groups', ]
_quota_infos = ['Type', 'In_use', 'Reserved', 'Limit', 'Allocated']
def print_volume_image(image):
if 'volume_type' in image[1]['os-volume_upload_image']:
volume_type_name = (
image[1]['os-volume_upload_image']['volume_type']['name'])
image[1]['os-volume_upload_image']['volume_type'] = volume_type_name
utils.print_dict(image[1]['os-volume_upload_image'])
def poll_for_status(poll_fn, obj_id, action, final_ok_states,
poll_period=5, show_progress=True):
"""Blocks while an action occurs. Periodically shows progress."""
def print_progress(progress):
if show_progress:
msg = ('\rInstance %(action)s... %(progress)s%% complete'
% dict(action=action, progress=progress))
else:
msg = '\rInstance %(action)s...' % dict(action=action)
sys.stdout.write(msg)
sys.stdout.flush()
print()
while True:
obj = poll_fn(obj_id)
status = obj.status.lower()
progress = getattr(obj, 'progress', None) or 0
if status in final_ok_states:
print_progress(100)
print("\nFinished")
break
elif status == "error":
print("\nError %(action)s instance" % {'action': action})
break
else:
print_progress(progress)
time.sleep(poll_period)
def find_volume_snapshot(cs, snapshot):
"""Gets a volume snapshot by name or ID."""
return utils.find_resource(cs.volume_snapshots, snapshot)
def find_vtype(cs, vtype):
"""Gets a volume type by name or ID."""
return utils.find_resource(cs.volume_types, vtype)
def find_gtype(cs, gtype):
"""Gets a group type by name or ID."""
return utils.find_resource(cs.group_types, gtype)
def find_backup(cs, backup):
"""Gets a backup by name or ID."""
return utils.find_resource(cs.backups, backup)
def find_consistencygroup(cs, consistencygroup):
"""Gets a consistency group by name or ID."""
return utils.find_resource(cs.consistencygroups, consistencygroup)
def find_group(cs, group, **kwargs):
"""Gets a group by name or ID."""
kwargs['is_group'] = True
return utils.find_resource(cs.groups, group, **kwargs)
def find_cgsnapshot(cs, cgsnapshot):
"""Gets a cgsnapshot by name or ID."""
return utils.find_resource(cs.cgsnapshots, cgsnapshot)
def find_group_snapshot(cs, group_snapshot):
"""Gets a group_snapshot by name or ID."""
return utils.find_resource(cs.group_snapshots, group_snapshot)
def find_transfer(cs, transfer):
"""Gets a transfer by name or ID."""
return utils.find_resource(cs.transfers, transfer)
def find_qos_specs(cs, qos_specs):
"""Gets a qos specs by ID."""
return utils.find_resource(cs.qos_specs, qos_specs)
def find_message(cs, message):
"""Gets a message by ID."""
return utils.find_resource(cs.messages, message)
def print_volume_snapshot(snapshot):
utils.print_dict(snapshot._info)
def translate_keys(collection, convert):
for item in collection:
keys = item.__dict__
for from_key, to_key in convert:
if from_key in keys and to_key not in keys:
setattr(item, to_key, item._info[from_key])
def translate_volume_keys(collection):
convert = [('volumeType', 'volume_type'),
('os-vol-tenant-attr:tenant_id', 'tenant_id')]
translate_keys(collection, convert)
def translate_volume_snapshot_keys(collection):
convert = [('volumeId', 'volume_id')]
translate_keys(collection, convert)
def translate_availability_zone_keys(collection):
convert = [('zoneName', 'name'), ('zoneState', 'status')]
translate_keys(collection, convert)
def extract_filters(args):
filters = {}
for f in args:
if '=' in f:
(key, value) = f.split('=', 1)
if value.startswith('{') and value.endswith('}'):
value = _build_internal_dict(value[1:-1])
filters[key] = value
else:
print("WARNING: Ignoring the filter %s while showing result." % f)
return filters
def _build_internal_dict(content):
result = {}
for pair in content.split(','):
k, v = pair.split(':', 1)
result.update({k.strip(): v.strip()})
return result
def extract_metadata(args, type='user_metadata'):
metadata = {}
if type == 'image_metadata':
args_metadata = args.image_metadata
else:
args_metadata = args.metadata
for metadatum in args_metadata:
# unset doesn't require a val, so we have the if/else
if '=' in metadatum:
(key, value) = metadatum.split('=', 1)
else:
key = metadatum
value = None
metadata[key] = value
return metadata
def print_volume_type_list(vtypes):
utils.print_list(vtypes, ['ID', 'Name', 'Description', 'Is_Public'])
def print_group_type_list(gtypes):
utils.print_list(gtypes, ['ID', 'Name', 'Description'])
def print_resource_filter_list(filters):
formatter = {'Filters': lambda resource: ', '.join(resource.filters)}
utils.print_list(filters, ['Resource', 'Filters'], formatters=formatter)
def quota_show(quotas):
quotas_info_dict = utils.unicode_key_value_to_string(quotas._info)
quota_dict = {}
for resource in quotas_info_dict.keys():
good_name = False
for name in _quota_resources:
if resource.startswith(name):
good_name = True
if not good_name:
continue
quota_dict[resource] = getattr(quotas, resource, None)
utils.print_dict(quota_dict)
def quota_usage_show(quotas):
quota_list = []
quotas_info_dict = utils.unicode_key_value_to_string(quotas._info)
for resource in quotas_info_dict.keys():
good_name = False
for name in _quota_resources:
if resource.startswith(name):
good_name = True
if not good_name:
continue
quota_info = getattr(quotas, resource, None)
quota_info['Type'] = resource
quota_info = dict((k.capitalize(), v) for k, v in quota_info.items())
quota_list.append(quota_info)
utils.print_list(quota_list, _quota_infos)
def quota_update(manager, identifier, args):
updates = {}
for resource in _quota_resources:
val = getattr(args, resource, None)
if val is not None:
if args.volume_type:
resource = resource + '_%s' % args.volume_type
updates[resource] = val
if updates:
skip_validation = getattr(args, 'skip_validation', True)
if not skip_validation:
updates['skip_validation'] = skip_validation
quota_show(manager.update(identifier, **updates))
def find_volume_type(cs, vtype):
"""Gets a volume type by name or ID."""
return utils.find_resource(cs.volume_types, vtype)
def find_group_type(cs, gtype):
"""Gets a group type by name or ID."""
return utils.find_resource(cs.group_types, gtype)
def print_volume_encryption_type_list(encryption_types):
"""
Lists volume encryption types.
:param encryption_types: a list of :class: VolumeEncryptionType instances
"""
utils.print_list(encryption_types, ['Volume Type ID', 'Provider',
'Cipher', 'Key Size',
'Control Location'])
def print_qos_specs(qos_specs):
# formatters defines field to be converted from unicode to string
utils.print_dict(qos_specs._info, formatters=['specs'])
def print_qos_specs_list(q_specs):
utils.print_list(q_specs, ['ID', 'Name', 'Consumer', 'specs'])
def print_qos_specs_and_associations_list(q_specs):
utils.print_list(q_specs, ['ID', 'Name', 'Consumer', 'specs'])
def print_associations_list(associations):
utils.print_list(associations, ['Association_Type', 'Name', 'ID'])
def _poll_for_status(poll_fn, obj_id, info, action, final_ok_states,
timeout_period, global_request_id=None, messages=None,
poll_period=2, status_field="status"):
"""Block while an action is being performed."""
time_elapsed = 0
while True:
time.sleep(poll_period)
time_elapsed += poll_period
obj = poll_fn(obj_id)
status = getattr(obj, status_field)
info[status_field] = status
if status:
status = status.lower()
if status in final_ok_states:
break
elif status == "error":
utils.print_dict(info)
if global_request_id:
search_opts = {
'request_id': global_request_id
}
message_list = messages.list(search_opts=search_opts)
try:
fault_msg = message_list[0].user_message
except IndexError:
fault_msg = "Unknown error. Operation failed."
raise exceptions.ResourceInErrorState(obj, fault_msg)
elif time_elapsed == timeout_period:
utils.print_dict(info)
raise exceptions.TimeoutException(obj, action)
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