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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.
from cinderclient import api_versions
from osc_lib.command import command
from osc_lib import exceptions
from osc_lib import utils
from openstackclient.i18n import _
def _format_cluster(cluster, detailed=False):
columns = (
'name',
'binary',
'state',
'status',
)
column_headers = (
'Name',
'Binary',
'State',
'Status',
)
if detailed:
columns += (
'disabled_reason',
'num_hosts',
'num_down_hosts',
'last_heartbeat',
'created_at',
'updated_at',
# optional columns, depending on whether replication is enabled
'replication_status',
'frozen',
'active_backend_id',
)
column_headers += (
'Disabled Reason',
'Hosts',
'Down Hosts',
'Last Heartbeat',
'Created At',
'Updated At',
# optional columns, depending on whether replication is enabled
'Replication Status',
'Frozen',
'Active Backend ID',
)
return (
column_headers,
utils.get_item_properties(
cluster,
columns,
),
)
class ListBlockStorageCluster(command.Lister):
"""List block storage clusters.
This command requires ``--os-volume-api-version`` 3.7 or greater.
"""
def get_parser(self, prog_name):
parser = super().get_parser(prog_name)
parser.add_argument(
'--cluster',
metavar='<name>',
default=None,
help=_(
'Filter by cluster name, without backend will list '
'all clustered services from the same cluster.'
),
)
parser.add_argument(
'--binary',
metavar='<binary>',
help=_('Cluster binary.'),
)
parser.add_argument(
'--up',
action='store_true',
dest='is_up',
default=None,
help=_('Filter by up status.'),
)
parser.add_argument(
'--down',
action='store_false',
dest='is_up',
help=_('Filter by down status.'),
)
parser.add_argument(
'--disabled',
action='store_true',
dest='is_disabled',
default=None,
help=_('Filter by disabled status.'),
)
parser.add_argument(
'--enabled',
action='store_false',
dest='is_disabled',
help=_('Filter by enabled status.'),
)
parser.add_argument(
'--num-hosts',
metavar='<hosts>',
type=int,
default=None,
help=_('Filter by number of hosts in the cluster.'),
)
parser.add_argument(
'--num-down-hosts',
metavar='<hosts>',
type=int,
default=None,
help=_('Filter by number of hosts that are down.'),
)
parser.add_argument(
'--long',
action='store_true',
default=False,
help=_("List additional fields in output"),
)
return parser
def take_action(self, parsed_args):
volume_client = self.app.client_manager.volume
if volume_client.api_version < api_versions.APIVersion('3.7'):
msg = _(
"--os-volume-api-version 3.7 or greater is required to "
"support the 'block storage cluster list' command"
)
raise exceptions.CommandError(msg)
columns = ('Name', 'Binary', 'State', 'Status')
if parsed_args.long:
columns += (
'Num Hosts',
'Num Down Hosts',
'Last Heartbeat',
'Disabled Reason',
'Created At',
'Updated At',
)
data = volume_client.clusters.list(
name=parsed_args.cluster,
binary=parsed_args.binary,
is_up=parsed_args.is_up,
disabled=parsed_args.is_disabled,
num_hosts=parsed_args.num_hosts,
num_down_hosts=parsed_args.num_down_hosts,
detailed=parsed_args.long,
)
return (
columns,
(utils.get_item_properties(s, columns) for s in data),
)
class SetBlockStorageCluster(command.Command):
"""Set block storage cluster properties.
This command requires ``--os-volume-api-version`` 3.7 or greater.
"""
def get_parser(self, prog_name):
parser = super().get_parser(prog_name)
parser.add_argument(
'cluster',
metavar='<cluster>',
help=_('Name of block storage cluster to update (name only)'),
)
parser.add_argument(
'--binary',
metavar='<binary>',
default='cinder-volume',
help=_(
"Name of binary to filter by; defaults to 'cinder-volume' "
"(optional)"
),
)
enabled_group = parser.add_mutually_exclusive_group()
enabled_group.add_argument(
'--enable',
action='store_false',
dest='disabled',
default=None,
help=_('Enable cluster'),
)
enabled_group.add_argument(
'--disable',
action='store_true',
dest='disabled',
help=_('Disable cluster'),
)
parser.add_argument(
'--disable-reason',
metavar='<reason>',
dest='disabled_reason',
help=_(
'Reason for disabling the cluster '
'(should be used with --disable option)'
),
)
return parser
def take_action(self, parsed_args):
volume_client = self.app.client_manager.volume
if volume_client.api_version < api_versions.APIVersion('3.7'):
msg = _(
"--os-volume-api-version 3.7 or greater is required to "
"support the 'block storage cluster set' command"
)
raise exceptions.CommandError(msg)
if parsed_args.disabled_reason and not parsed_args.disabled:
msg = _("Cannot specify --disable-reason without --disable")
raise exceptions.CommandError(msg)
cluster = volume_client.clusters.update(
parsed_args.cluster,
parsed_args.binary,
disabled=parsed_args.disabled,
disabled_reason=parsed_args.disabled_reason,
)
return _format_cluster(cluster, detailed=True)
class ShowBlockStorageCluster(command.ShowOne):
"""Show detailed information for a block storage cluster.
This command requires ``--os-volume-api-version`` 3.7 or greater.
"""
def get_parser(self, prog_name):
parser = super().get_parser(prog_name)
parser.add_argument(
'cluster',
metavar='<cluster>',
help=_('Name of block storage cluster.'),
)
parser.add_argument(
'--binary',
metavar='<binary>',
help=_('Service binary.'),
)
return parser
def take_action(self, parsed_args):
volume_client = self.app.client_manager.volume
if volume_client.api_version < api_versions.APIVersion('3.7'):
msg = _(
"--os-volume-api-version 3.7 or greater is required to "
"support the 'block storage cluster show' command"
)
raise exceptions.CommandError(msg)
cluster = volume_client.clusters.show(
parsed_args.cluster,
binary=parsed_args.binary,
)
return _format_cluster(cluster, detailed=True)
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