python utility to manage a tripleo based cloud
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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 datetime import datetime
import logging
import os.path
import yaml
from osc_lib.i18n import _
from osc_lib import utils
from tripleoclient import command
from tripleoclient import export
class ExportOvercloudCeph(command.Command):
"""Export Ceph information used as import of another stack
Export Ceph information from one or more stacks to be used
as input of another stack. Creates a valid YAML file with
the CephExternalMultiConfig parameter populated.
"""
log = logging.getLogger(__name__ + ".ExportOvercloudCeph")
now = datetime.now().strftime('%Y%m%d%H%M%S')
def get_parser(self, prog_name):
parser = super(ExportOvercloudCeph, self).get_parser(prog_name)
parser.add_argument('--stack',
dest='stack',
metavar='<stack>',
help=_('Name of the overcloud stack(s) '
'to export Ceph information from. '
'If a comma delimited list of stacks is '
'passed, Ceph information for all stacks '
'will be exported into a single file. '
'(default=Env: OVERCLOUD_STACK_NAME) '),
default=utils.env('OVERCLOUD_STACK_NAME',
default='overcloud'))
parser.add_argument('--cephx-key-client-name', '-k',
dest='cephx',
metavar='<cephx>',
help=_('Name of the cephx client key to export. '
'(default=openstack)'),
default='openstack')
parser.add_argument('--output-file', '-o', metavar='<output file>',
help=_('Name of the output file for the Ceph '
'data export. Defaults to '
'"ceph-export-<STACK>.yaml" if one '
'stack is provided. Defaults to '
'"ceph-export-<N>-stacks.yaml" '
'if N stacks are provided.'))
parser.add_argument('--force-overwrite', '-f', action='store_true',
default=False,
help=_('Overwrite output file if it exists.'))
parser.add_argument('--config-download-dir',
action='store',
help=_('Directory to search for config-download '
'export data. Defaults to $HOME/'
'overcloud-deploy/<stack>/config-download'))
return parser
def take_action(self, parsed_args):
self.log.debug("take_action(%s)" % parsed_args)
stacks = parsed_args.stack.split(',')
stack_count = len(stacks)
if stack_count == 1:
name = parsed_args.stack
else:
name = str(stack_count) + '-stacks'
output_file = parsed_args.output_file or \
'ceph-export-%s.yaml' % name
self.log.info('Running at %s with parameters %s',
self.now,
parsed_args)
if os.path.exists(output_file) and not parsed_args.force_overwrite:
raise Exception(
"File '%s' already exists, not exporting." % output_file)
# extract ceph data for each stack into the cephs list
cephs = []
for stack in stacks:
if not parsed_args.config_download_dir:
config_download_dir = os.path.join(os.environ.get('HOME'),
"overcloud-deploy",
stack,
'config-download')
else:
config_download_dir = parsed_args.config_download_dir
self.log.info('Exporting Ceph data from stack %s at %s',
stack, self.now)
cephs.append(export.export_ceph(stack,
parsed_args.cephx,
config_download_dir))
data = {}
data['parameter_defaults'] = {}
data['parameter_defaults']['CephExternalMultiConfig'] = cephs
# write the exported data
with open(output_file, 'w') as f:
yaml.safe_dump(data, f, default_flow_style=False)
print("Ceph information from %s stack(s) exported to %s." %
(len(cephs), output_file))