184 lines
7.0 KiB
Python
184 lines
7.0 KiB
Python
# Copyright 2016 Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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import logging
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import os
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import pwd
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import shutil
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import sys
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import tempfile
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from osc_lib import exceptions as oscexc
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from osc_lib.i18n import _
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from osc_lib import utils as osc_utils
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from tripleoclient import command
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from tripleoclient import constants
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from tripleoclient import exceptions
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from tripleoclient import utils
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from tripleoclient.workflows import plan_management
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from tripleoclient.workflows import stack_management
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# For ansible.cfg generation
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from tripleo_common.actions import ansible
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class DeleteOvercloud(command.Command):
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"""Delete overcloud stack and plan"""
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log = logging.getLogger(__name__ + ".DeleteOvercloud")
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def get_parser(self, prog_name):
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parser = super(DeleteOvercloud, self).get_parser(prog_name)
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parser.add_argument('stack', nargs='?',
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help=_('Name or ID of heat stack to delete'
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'(default=Env: OVERCLOUD_STACK_NAME)'),
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default=osc_utils.env('OVERCLOUD_STACK_NAME'))
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parser.add_argument('-y', '--yes',
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help=_('Skip yes/no prompt (assume yes).'),
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default=False,
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action="store_true")
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parser.add_argument('-s', '--skip-ipa-cleanup',
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help=_('Skip removing overcloud hosts, services, '
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'and DNS records from FreeIPA. This is '
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'particularly relevant for deployments '
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'using certificates from FreeIPA for TLS. '
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'By default, overcloud hosts, services, '
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'and DNS records will be removed from '
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'FreeIPA before deleting the overcloud. '
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'Using this option might require you to '
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'manually cleanup FreeIPA later.'),
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default=False,
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action="store_true")
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return parser
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def _validate_args(self, parsed_args):
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if parsed_args.stack in (None, ''):
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raise oscexc.CommandError(
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"You must specify a stack name")
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def _plan_undeploy(self, clients, stack_name):
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orchestration_client = clients.orchestration
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print("Undeploying stack {s}...".format(s=stack_name))
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stack = utils.get_stack(orchestration_client, stack_name)
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if stack is None:
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self.log.warning("No stack found ('{s}'), skipping delete".
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format(s=stack_name))
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else:
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try:
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stack_management.plan_undeploy(
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clients,
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plan=stack.stack_name
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)
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except Exception as e:
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raise oscexc.CommandError(
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"Error occurred during stack delete {}".
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format(e))
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def _plan_delete(self, clients, stack_name):
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print("Deleting plan {s}...".format(s=stack_name))
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try:
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plan_management.delete_deployment_plan(
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clients,
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container=stack_name)
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except Exception as err:
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raise oscexc.CommandError(
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"Error occurred while deleting plan {}".format(err))
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def _cleanup_ipa(self, stack_name):
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python_interpreter = \
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"/usr/bin/python{}".format(sys.version_info[0])
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playbook = '/usr/share/ansible/tripleo-playbooks/cli-cleanup-ipa.yml'
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ipa_config = '/etc/ipa/default.conf'
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if not os.path.exists(ipa_config):
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self.log.debug(
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"{} doesn't exist on system. "
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"Ignoring IPA cleanup.".format(playbook)
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)
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return
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if not os.path.exists(playbook):
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self.log.debug(
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"{} doesn't exist on system. "
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"Ignoring IPA cleanup.".format(playbook)
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)
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return
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try:
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static_inventory = utils.get_tripleo_ansible_inventory(
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stack=stack_name,
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return_inventory_file_path=True)
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except exceptions.InvalidConfiguration:
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self.log.warning(
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"Unable to generate the necessary ansible inventory required "
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"to cleanup IPA. Ignoring IPA cleanup. Please cleanup IPA "
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"resources for {} stack manually.".format(stack_name)
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)
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return
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# We don't technically need remote_user to generate an ansible.cfg for
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# stack. The write_default_ansible_cfg() method treats this as an
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# optional parameter even though the method signature requires it.
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remote_user = None
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tmp_tripleoclient_dir = tempfile.mkdtemp(prefix='tripleoclient-')
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self.log.debug(
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"Creating temporary directory for "
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"ansible config in {}".format(tmp_tripleoclient_dir)
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)
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ansible_config = ansible.write_default_ansible_cfg(
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tmp_tripleoclient_dir, remote_user)
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try:
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utils.run_ansible_playbook(
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self.log,
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constants.ANSIBLE_TRIPLEO_PLAYBOOKS,
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playbook,
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static_inventory,
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log_path_dir=pwd.getpwuid(os.getuid()).pw_dir,
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ansible_config=ansible_config,
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python_interpreter=python_interpreter
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)
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finally:
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self.log.debug("Removing static tripleo ansible inventory file")
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utils.cleanup_tripleo_ansible_inventory_file(static_inventory)
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self.log.debug(
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"Removing temporary ansible configuration directory"
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)
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shutil.rmtree(tmp_tripleoclient_dir)
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def take_action(self, parsed_args):
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self.log.debug("take_action({args})".format(args=parsed_args))
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self._validate_args(parsed_args)
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if not parsed_args.yes:
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confirm = utils.prompt_user_for_confirmation(
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message=_("Are you sure you want to delete this overcloud "
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"[y/N]? "),
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logger=self.log)
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if not confirm:
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raise oscexc.CommandError("Action not confirmed, exiting.")
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clients = self.app.client_manager
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if not parsed_args.skip_ipa_cleanup:
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self._cleanup_ipa(parsed_args.stack)
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self._plan_undeploy(clients, parsed_args.stack)
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self._plan_delete(clients, parsed_args.stack)
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print("Success.")
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