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# 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.
#
"""Orchestration v1 Stack Snapshot implementations."""
import logging
import sys
from osc_lib.command import command
from osc_lib import exceptions as exc
from osc_lib.i18n import _
from osc_lib import utils
from heatclient.common import format_utils
from heatclient import exc as heat_exc
class ListSnapshot(command.Lister):
"""List stack snapshots."""
log = logging.getLogger(__name__ + ".ListSnapshot")
def get_parser(self, prog_name):
parser = super(ListSnapshot, self).get_parser(prog_name)
parser.add_argument(
'stack',
metavar='<stack>',
help=_('Name or ID of stack containing the snapshots')
)
return parser
def take_action(self, parsed_args):
self.log.debug('take_action(%s)', parsed_args)
heat_client = self.app.client_manager.orchestration
return self._list_snapshot(heat_client, parsed_args)
def _list_snapshot(self, heat_client, parsed_args):
fields = {'stack_id': parsed_args.stack}
try:
snapshots = heat_client.stacks.snapshot_list(**fields)
except heat_exc.HTTPNotFound:
raise exc.CommandError(_('Stack not found: %s') %
parsed_args.stack)
columns = ['id', 'name', 'status', 'status_reason', 'creation_time']
return (
columns,
(utils.get_dict_properties(s, columns)
for s in snapshots['snapshots'])
)
class ShowSnapshot(format_utils.YamlFormat):
"""Show stack snapshot."""
log = logging.getLogger(__name__ + ".ShowSnapshot")
def get_parser(self, prog_name):
parser = super(ShowSnapshot, self).get_parser(prog_name)
parser.add_argument(
'stack',
metavar='<stack>',
help=_('Name or ID of stack containing the snapshot')
)
parser.add_argument(
'snapshot',
metavar='<snapshot>',
help=_('ID of the snapshot to show')
)
return parser
def take_action(self, parsed_args):
self.log.debug('take_action(%s)', parsed_args)
heat_client = self.app.client_manager.orchestration
return self._show_snapshot(heat_client, parsed_args.stack,
parsed_args.snapshot)
def _show_snapshot(self, heat_client, stack_id, snapshot_id):
try:
data = heat_client.stacks.snapshot_show(stack_id, snapshot_id)
except heat_exc.HTTPNotFound:
raise exc.CommandError(_('Snapshot ID <%(snapshot_id)s> not found '
'for stack <%(stack_id)s>')
% {'snapshot_id': snapshot_id,
'stack_id': stack_id})
rows = list(data.values())
columns = list(data.keys())
return columns, rows
class RestoreSnapshot(command.Command):
"""Restore stack snapshot"""
log = logging.getLogger(__name__ + ".RestoreSnapshot")
def get_parser(self, prog_name):
parser = super(RestoreSnapshot, self).get_parser(prog_name)
parser.add_argument(
'stack',
metavar='<stack>',
help=_('Name or ID of stack containing the snapshot')
)
parser.add_argument(
'snapshot',
metavar='<snapshot>',
help=_('ID of the snapshot to restore')
)
return parser
def take_action(self, parsed_args):
self.log.debug('take_action(%s)', parsed_args)
heat_client = self.app.client_manager.orchestration
return self._restore_snapshot(heat_client, parsed_args)
def _restore_snapshot(self, heat_client, parsed_args):
fields = {'stack_id': parsed_args.stack,
'snapshot_id': parsed_args.snapshot}
try:
heat_client.stacks.restore(**fields)
except heat_exc.HTTPNotFound:
raise exc.CommandError(_('Stack %(stack)s or '
'snapshot %(snapshot)s not found.') %
{'stack': parsed_args.stack,
'snapshot': parsed_args.snapshot})
class CreateSnapshot(command.ShowOne):
"""Create stack snapshot."""
log = logging.getLogger(__name__ + ".CreateSnapshot")
def get_parser(self, prog_name):
parser = super(CreateSnapshot, self).get_parser(prog_name)
parser.add_argument(
'stack',
metavar='<stack>',
help=_('Name or ID of stack')
)
parser.add_argument(
'--name',
metavar='<name>',
help=_('Name of snapshot')
)
return parser
def take_action(self, parsed_args):
self.log.debug('take_action(%s)', parsed_args)
heat_client = self.app.client_manager.orchestration
try:
data = heat_client.stacks.snapshot(parsed_args.stack,
parsed_args.name)
except heat_exc.HTTPNotFound:
raise exc.CommandError(_('Stack not found: %s')
% parsed_args.stack)
columns = [
'ID',
'name',
'status',
'status_reason',
'data',
'creation_time'
]
return (columns, utils.get_dict_properties(data, columns))
class DeleteSnapshot(command.Command):
"""Delete stack snapshot."""
log = logging.getLogger(__name__ + ".DeleteSnapshot")
def get_parser(self, prog_name):
parser = super(DeleteSnapshot, self).get_parser(prog_name)
parser.add_argument(
'stack',
metavar='<stack>',
help=_('Name or ID of stack')
)
parser.add_argument(
'snapshot',
metavar='<snapshot>',
help=_('ID of stack snapshot')
)
parser.add_argument(
'-y', '--yes',
action='store_true',
help=_('Skip yes/no prompt (assume yes)')
)
return parser
def take_action(self, parsed_args):
self.log.debug('take_action(%s)', parsed_args)
heat_client = self.app.client_manager.orchestration
msg = ('User did not confirm snapshot delete '
'%sso taking no action.')
try:
if not parsed_args.yes and sys.stdin.isatty():
sys.stdout.write(
_('Are you sure you want to delete the snapshot of this '
'stack [Y/N]?'))
prompt_response = sys.stdin.readline().lower()
if not prompt_response.startswith('y'):
self.log.info(msg, '')
return
except KeyboardInterrupt: # ctrl-c
self.log.info(msg, '(ctrl-c) ')
return
except EOFError: # ctrl-d
self.log.info(msg, '(ctrl-d) ')
return
try:
heat_client.stacks.snapshot_delete(parsed_args.stack,
parsed_args.snapshot)
except heat_exc.HTTPNotFound:
raise exc.CommandError(_('Snapshot ID <%(snapshot_id)s> not found '
'for stack <%(stack_id)s>')
% {'snapshot_id': parsed_args.snapshot,
'stack_id': parsed_args.stack})
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