python utility to manage a tripleo based cloud
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python-tripleoclient/tripleoclient/v2/overcloud_delete.py

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# Copyright 2016 Red Hat, Inc.
#
# 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.
#
import logging
import os
import yaml
from osc_lib import exceptions as oscexc
from osc_lib.i18n import _
from osc_lib import utils as osc_utils
from tripleoclient import command
from tripleoclient import constants
from tripleoclient import utils
class DeleteOvercloud(command.Command):
"""Delete overcloud stack and plan"""
log = logging.getLogger(__name__ + ".DeleteOvercloud")
def get_parser(self, prog_name):
parser = super(DeleteOvercloud, self).get_parser(prog_name)
parser.add_argument('stack', nargs='?',
help=_('Name or ID of heat stack to delete'
'(default=Env: OVERCLOUD_STACK_NAME)'),
default=osc_utils.env('OVERCLOUD_STACK_NAME'))
parser.add_argument('-y', '--yes',
help=_('Skip yes/no prompt (assume yes).'),
default=False,
action="store_true")
parser.add_argument('-s', '--skip-ipa-cleanup',
help=_('Skip removing overcloud hosts, services, '
'and DNS records from FreeIPA. This is '
'particularly relevant for deployments '
'using certificates from FreeIPA for TLS. '
'By default, overcloud hosts, services, '
'and DNS records will be removed from '
'FreeIPA before deleting the overcloud. '
'Using this option might require you to '
'manually cleanup FreeIPA later.'),
default=False,
action="store_true")
parser.add_argument('-b', '--baremetal-deployment',
metavar='<baremetal_deployment.yaml>',
help=_('Configuration file describing the '
'baremetal deployment'))
parser.add_argument('--networks-file',
metavar='<network_data.yaml>',
help=_('Configuration file describing the '
'network deployment to enable '
'unprovisioning of networks.'))
parser.add_argument('--network-ports',
help=_('Enable unprovisioning of network ports'),
default=False,
action="store_true")
parser.add_argument(
'--heat-type',
action='store',
default='pod',
choices=['installed', 'pod', 'container', 'native'],
help=_('The type of Heat process that was used to execute'
'the deployment.\n'
'pod (Default): Use an ephemeral Heat pod.\n'
'installed: Use the system installed Heat.\n'
'container: Use an ephemeral Heat container.\n'
'native: Use an ephemeral Heat process.')
)
return parser
def _validate_args(self, parsed_args):
if parsed_args.stack in (None, ''):
raise oscexc.CommandError("You must specify a stack name")
if parsed_args.networks_file:
networks_file_path = os.path.abspath(parsed_args.networks_file)
if not os.path.exists(networks_file_path):
raise oscexc.CommandError(
"Network configuration file does not exist:"
" {args}".format(args=parsed_args.networks_file))
def take_action(self, parsed_args):
self.log.debug("take_action({args})".format(args=parsed_args))
self._validate_args(parsed_args)
if not parsed_args.yes:
confirm = utils.prompt_user_for_confirmation(
message=_("Are you sure you want to delete this overcloud "
"[y/N]? "),
logger=self.log)
if not confirm:
raise oscexc.CommandError("Action not confirmed, exiting.")
if parsed_args.skip_ipa_cleanup:
playbooks = ["cli-overcloud-delete.yaml"]
else:
# Order is important, let's make sure we cleanup FreeIPA before we
# start removing infrastructure.
playbooks = ["cli-cleanup-ipa.yml", "cli-overcloud-delete.yaml"]
heat_stack_delete = parsed_args.heat_type in ["installed", "native"]
with utils.TempDirs() as tmp:
utils.run_ansible_playbook(
playbooks,
constants.ANSIBLE_INVENTORY.format(parsed_args.stack),
workdir=tmp,
playbook_dir=constants.ANSIBLE_TRIPLEO_PLAYBOOKS,
verbosity=utils.playbook_verbosity(self=self),
extra_vars={
"stack_name": parsed_args.stack,
"heat_stack_delete": heat_stack_delete
}
)
if parsed_args.baremetal_deployment:
with open(parsed_args.baremetal_deployment, 'r') as fp:
roles = yaml.safe_load(fp)
with utils.TempDirs() as tmp:
utils.run_ansible_playbook(
playbook='cli-overcloud-node-unprovision.yaml',
workdir=tmp,
inventory='localhost,',
playbook_dir=constants.ANSIBLE_TRIPLEO_PLAYBOOKS,
verbosity=utils.playbook_verbosity(self=self),
extra_vars={
"stack_name": parsed_args.stack,
"baremetal_deployment": roles,
"all": True,
"prompt": False,
"manage_network_ports": parsed_args.network_ports,
}
)
if parsed_args.networks_file:
networks_file_path = os.path.abspath(parsed_args.networks_file)
with utils.TempDirs() as tmp:
utils.run_ansible_playbook(
playbook='cli-overcloud-network-unprovision.yaml',
inventory='localhost,',
workdir=tmp,
playbook_dir=constants.ANSIBLE_TRIPLEO_PLAYBOOKS,
verbosity=utils.playbook_verbosity(self=self),
extra_vars={
"network_data_path": networks_file_path
}
)
print("Success.")