652 lines
25 KiB
Python
652 lines
25 KiB
Python
# Copyright 2017 Red Hat, Inc.
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# All Rights Reserved.
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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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import json
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import logging
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import multiprocessing
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import os
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import shutil
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import six
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from six.moves import configparser
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from six.moves import cStringIO as StringIO
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import subprocess
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import tempfile
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import time
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import yaml
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from mistral_lib import actions
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from oslo_concurrency import processutils
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from tripleo_common.actions import base
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from tripleo_common.inventory import TripleoInventory
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LOG = logging.getLogger(__name__)
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def write_default_ansible_cfg(work_dir,
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remote_user,
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ssh_private_key=None,
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transport=None,
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base_ansible_cfg='/etc/ansible/ansible.cfg',
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override_ansible_cfg=None):
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ansible_config_path = os.path.join(work_dir, 'ansible.cfg')
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shutil.copy(base_ansible_cfg, ansible_config_path)
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callbacks_whitelist = ','.join(['profile_tasks'])
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config = configparser.ConfigParser()
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config.read(ansible_config_path)
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config.set('defaults', 'retry_files_enabled', 'False')
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config.set('defaults', 'log_path',
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os.path.join(work_dir, 'ansible.log'))
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# suppress tasks if all hosts skip, was previously full_skip callback
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config.set('defaults', 'display_skipped_hosts', 'no')
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config.set('defaults', 'callback_whitelist', callbacks_whitelist)
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config.set('defaults', 'forks', str(multiprocessing.cpu_count() * 10))
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config.set('defaults', 'timeout', '30')
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config.set('defaults', 'gather_timeout', '30')
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# Setup fact cache to improve playbook execution speed
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config.set('defaults', 'gathering', 'smart')
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config.set('defaults', 'fact_caching', 'jsonfile')
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config.set('defaults', 'fact_caching_connection',
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'/var/lib/mistral/ansible_fact_cache')
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# Expire facts in the fact cache after 7200s (2h)
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config.set('defaults', 'fact_caching_timeout', '7200')
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# mistral user has no home dir set, so no place to save a known hosts file
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config.set('ssh_connection', 'ssh_args',
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'-o UserKnownHostsFile=/dev/null '
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'-o StrictHostKeyChecking=no '
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'-o ControlMaster=auto '
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'-o ControlPersist=30m '
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'-o ServerAliveInterval=5 '
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'-o ServerAliveCountMax=5')
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config.set('ssh_connection', 'control_path_dir',
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os.path.join(work_dir, 'ansible-ssh'))
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config.set('ssh_connection', 'retries', '8')
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config.set('ssh_connection', 'pipelining', 'True')
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# Set connection info in config file so that subsequent/nested ansible
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# calls can re-use it
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if remote_user:
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config.set('defaults', 'remote_user', remote_user)
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if ssh_private_key:
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config.set('defaults', 'private_key_file', ssh_private_key)
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if transport:
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config.set('defaults', 'transport', transport)
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if override_ansible_cfg:
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sio_cfg = StringIO()
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sio_cfg.write(override_ansible_cfg)
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sio_cfg.seek(0)
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config.readfp(sio_cfg)
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sio_cfg.close()
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with open(ansible_config_path, 'w') as configfile:
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config.write(configfile)
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return ansible_config_path
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class AnsibleAction(actions.Action):
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"""Executes ansible module"""
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def __init__(self, **kwargs):
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self._kwargs_for_run = kwargs
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self.hosts = self._kwargs_for_run.pop('hosts', None)
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self.module = self._kwargs_for_run.pop('module', None)
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self.module_args = self._kwargs_for_run.pop('module_args', None)
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if self.module_args and isinstance(self.module_args, dict):
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self.module_args = json.dumps(self.module_args)
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self.limit_hosts = self._kwargs_for_run.pop('limit_hosts', None)
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self.remote_user = self._kwargs_for_run.pop('remote_user', None)
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self.become = self._kwargs_for_run.pop('become', None)
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self.become_user = self._kwargs_for_run.pop('become_user', None)
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self.extra_vars = self._kwargs_for_run.pop('extra_vars', None)
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if self.extra_vars:
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self.extra_vars = json.dumps(self.extra_vars)
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self._inventory = self._kwargs_for_run.pop('inventory', None)
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self.verbosity = self._kwargs_for_run.pop('verbosity', 5)
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self._ssh_private_key = self._kwargs_for_run.pop(
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'ssh_private_key', None)
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self.forks = self._kwargs_for_run.pop('forks', None)
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self.timeout = self._kwargs_for_run.pop('timeout', None)
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self.ssh_extra_args = self._kwargs_for_run.pop('ssh_extra_args', None)
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if self.ssh_extra_args:
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self.ssh_extra_args = json.dumps(self.ssh_extra_args)
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self.ssh_common_args = self._kwargs_for_run.pop(
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'ssh_common_args', None)
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if self.ssh_common_args:
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self.ssh_common_args = json.dumps(self.ssh_common_args)
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self.use_openstack_credentials = self._kwargs_for_run.pop(
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'use_openstack_credentials', False)
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self.extra_env_variables = self._kwargs_for_run.pop(
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'extra_env_variables', None)
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self.gather_facts = self._kwargs_for_run.pop('gather_facts', False)
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self._work_dir = None
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@property
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def work_dir(self):
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if self._work_dir:
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return self._work_dir
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self._work_dir = tempfile.mkdtemp(prefix='ansible-mistral-action')
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return self._work_dir
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@property
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def inventory(self):
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if not self._inventory:
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return None
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# NOTE(flaper87): if it's a path, use it
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if (isinstance(self._inventory, six.string_types) and
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os.path.exists(self._inventory)):
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return self._inventory
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elif not isinstance(self._inventory, six.string_types):
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self._inventory = yaml.safe_dump(self._inventory)
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path = os.path.join(self.work_dir, 'inventory.yaml')
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# NOTE(flaper87):
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# We could probably catch parse errors here
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# but if we do, they won't be propagated and
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# we should not move forward with the action
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# if the inventory generation failed
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with open(path, 'w') as inventory:
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inventory.write(self._inventory)
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self._inventory = path
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return path
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@property
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def ssh_private_key(self):
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if not self._ssh_private_key:
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return None
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# NOTE(flaper87): if it's a path, use it
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if (isinstance(self._ssh_private_key, six.string_types) and
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os.path.exists(self._ssh_private_key)):
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return self._ssh_private_key
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path = os.path.join(self.work_dir, 'ssh_private_key')
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# NOTE(flaper87):
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# We could probably catch parse errors here
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# but if we do, they won't be propagated and
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# we should not move forward with the action
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# if the inventory generation failed
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with open(path, 'w') as ssh_key:
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ssh_key.write(self._ssh_private_key)
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os.chmod(path, 0o600)
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self._ssh_private_key = path
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return path
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def run(self, context):
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if 0 < self.verbosity < 6:
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verbosity_option = '-' + ('v' * self.verbosity)
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command = ['ansible', self.hosts, verbosity_option, ]
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else:
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command = ['ansible', self.hosts, ]
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if self.module:
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command.extend(['--module-name', self.module])
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if self.module_args:
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command.extend(['--args', self.module_args])
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if self.limit_hosts:
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command.extend(['--limit', self.limit_hosts])
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if self.become:
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command.extend(['--become'])
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if self.become_user:
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command.extend(['--become-user', self.become_user])
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if self.extra_vars:
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command.extend(['--extra-vars', self.extra_vars])
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if self.forks:
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command.extend(['--forks', self.forks])
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if self.ssh_common_args:
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command.extend(['--ssh-common-args', self.ssh_common_args])
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if self.ssh_extra_args:
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command.extend(['--ssh-extra-args', self.ssh_extra_args])
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if self.timeout:
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command.extend(['--timeout', self.timeout])
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if self.inventory:
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command.extend(['--inventory-file', self.inventory])
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if self.extra_env_variables:
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if not isinstance(self.extra_env_variables, dict):
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msg = "extra_env_variables must be a dict"
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return actions.Result(error=msg)
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if self.gather_facts:
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command.extend(['--gather-facts', self.gather_facts])
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try:
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ansible_config_path = write_default_ansible_cfg(
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self.work_dir,
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self.remote_user,
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ssh_private_key=self.ssh_private_key)
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env_variables = {
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'HOME': self.work_dir,
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'ANSIBLE_LOCAL_TEMP': self.work_dir,
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'ANSIBLE_CONFIG': ansible_config_path
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}
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if self.extra_env_variables:
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env_variables.update(self.extra_env_variables)
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if self.use_openstack_credentials:
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env_variables.update({
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'OS_AUTH_URL': context.security.auth_uri,
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'OS_USERNAME': context.security.user_name,
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'OS_AUTH_TOKEN': context.security.auth_token,
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'OS_PROJECT_NAME': context.security.project_name})
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LOG.info('Running ansible command: %s', command)
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stderr, stdout = processutils.execute(
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*command, cwd=self.work_dir,
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env_variables=env_variables,
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log_errors=processutils.LogErrors.ALL)
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return {"stderr": stderr, "stdout": stdout,
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"log_path": os.path.join(self.work_dir, 'ansible.log')}
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finally:
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# NOTE(flaper87): clean the mess if debug is disabled.
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if not self.verbosity:
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shutil.rmtree(self.work_dir)
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class AnsiblePlaybookAction(base.TripleOAction):
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"""Executes ansible playbook"""
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def __init__(self, **kwargs):
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self._kwargs_for_run = kwargs
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self._playbook = self._kwargs_for_run.pop('playbook', None)
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self.playbook_name = self._kwargs_for_run.pop('playbook_name',
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'playbook.yaml')
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self.plan_name = self._kwargs_for_run.pop('plan_name', None)
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self.limit_hosts = self._kwargs_for_run.pop('limit_hosts', None)
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self.module_path = self._kwargs_for_run.pop('module_path', None)
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self.remote_user = self._kwargs_for_run.pop('remote_user', None)
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self.become = self._kwargs_for_run.pop('become', None)
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self.become_user = self._kwargs_for_run.pop('become_user', None)
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self.extra_vars = self._kwargs_for_run.pop('extra_vars', None)
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if self.extra_vars:
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self.extra_vars = json.dumps(self.extra_vars)
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self._inventory = self._kwargs_for_run.pop('inventory', None)
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self.verbosity = self._kwargs_for_run.pop('verbosity', 5)
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self._ssh_private_key = self._kwargs_for_run.pop(
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'ssh_private_key', None)
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self.flush_cache = self._kwargs_for_run.pop('flush_cache', None)
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self.forks = self._kwargs_for_run.pop('forks', None)
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self.timeout = self._kwargs_for_run.pop('timeout', None)
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self.ssh_extra_args = self._kwargs_for_run.pop('ssh_extra_args', None)
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if self.ssh_extra_args:
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self.ssh_extra_args = json.dumps(self.ssh_extra_args)
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self.ssh_common_args = self._kwargs_for_run.pop(
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'ssh_common_args', None)
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if self.ssh_common_args:
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self.ssh_common_args = json.dumps(self.ssh_common_args)
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self.use_openstack_credentials = self._kwargs_for_run.pop(
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'use_openstack_credentials', False)
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self.tags = self._kwargs_for_run.pop('tags', None)
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self.skip_tags = self._kwargs_for_run.pop('skip_tags', None)
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self.extra_env_variables = self._kwargs_for_run.pop(
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'extra_env_variables', None)
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self.queue_name = self._kwargs_for_run.pop('queue_name', None)
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self.reproduce_command = self._kwargs_for_run.pop(
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'reproduce_command', True)
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self.execution_id = self._kwargs_for_run.pop('execution_id', None)
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self._work_dir = self._kwargs_for_run.pop(
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'work_dir', None)
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self.max_message_size = self._kwargs_for_run.pop(
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'max_message_size', 1048576)
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self.gather_facts = self._kwargs_for_run.pop('gather_facts', False)
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self.trash_output = self._kwargs_for_run.pop('trash_output', False)
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self.profile_tasks = self._kwargs_for_run.pop('profile_tasks', True)
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self.profile_tasks_limit = self._kwargs_for_run.pop(
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'profile_tasks_limit', 0)
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self.blacklisted_hostnames = self._kwargs_for_run.pop(
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'blacklisted_hostnames', [])
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self.override_ansible_cfg = self._kwargs_for_run.pop(
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'override_ansible_cfg', None)
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self.command_timeout = self._kwargs_for_run.pop(
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'command_timeout', None)
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@property
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def work_dir(self):
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if self._work_dir:
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return self._work_dir
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self._work_dir = tempfile.mkdtemp(prefix='ansible-mistral-action')
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return self._work_dir
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@property
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def inventory(self):
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if not self._inventory:
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return None
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# NOTE(flaper87): if it's a path, use it
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if (isinstance(self._inventory, six.string_types) and
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os.path.exists(self._inventory)):
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return self._inventory
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elif not isinstance(self._inventory, six.string_types):
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self._inventory = yaml.safe_dump(self._inventory)
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path = os.path.join(self.work_dir, 'inventory.yaml')
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# NOTE(flaper87):
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# We could probably catch parse errors here
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# but if we do, they won't be propagated and
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# we should not move forward with the action
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# if the inventory generation failed
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with open(path, 'w') as inventory:
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inventory.write(self._inventory)
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self._inventory = path
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return path
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@property
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def playbook(self):
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if not self._playbook:
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return None
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# NOTE(flaper87): if it's a path, use it
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if (isinstance(self._playbook, six.string_types) and
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os.path.exists(self._playbook)):
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return self._playbook
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elif not isinstance(self._playbook, six.string_types):
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self._playbook = yaml.safe_dump(self._playbook)
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path = os.path.join(self.work_dir, self.playbook_name)
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# NOTE(flaper87):
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# We could probably catch parse errors here
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# but if we do, they won't be propagated and
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# we should not move forward with the action
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# if the inventory generation failed
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with open(path, 'w') as playbook:
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playbook.write(self._playbook)
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self._playbook = path
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return path
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@property
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def ssh_private_key(self):
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if not self._ssh_private_key:
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return None
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# NOTE(flaper87): if it's a path, use it
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if (isinstance(self._ssh_private_key, six.string_types) and
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os.path.exists(self._ssh_private_key)):
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return self._ssh_private_key
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path = os.path.join(self.work_dir, 'ssh_private_key')
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# NOTE(flaper87):
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# We could probably catch parse errors here
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# but if we do, they won't be propagated and
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# we should not move forward with the action
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# if the inventory generation failed
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with open(path, 'w') as ssh_key:
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ssh_key.write(self._ssh_private_key)
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os.chmod(path, 0o600)
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self._ssh_private_key = path
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return path
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def format_message(self, message):
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type_ = 'tripleo.ansible-playbook.{}'.format(self.playbook_name)
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return {
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'body': {
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'type': type_,
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'payload': {
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'message': message,
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'plan_name': self.plan_name,
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'status': 'RUNNING',
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'execution': {'id': self.execution_id}}}}
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def post_message(self, queue, message):
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"""Posts message to queue
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Breaks the message up by maximum message size if needed.
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"""
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start = 0
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# We use 50% of the max message size to account for any overhead
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# due to JSON encoding plus the wrapped dict structure from
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# format_message.
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message_size = int(self.max_message_size * 0.5)
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while True:
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end = start + message_size
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message_part = message[start:end]
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start = end
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if not message_part:
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return
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queue.post(self.format_message(message_part))
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def run(self, context):
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if 0 < self.verbosity < 6:
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verbosity_option = '-' + ('v' * self.verbosity)
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command = ['ansible-playbook', verbosity_option,
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self.playbook]
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else:
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command = ['ansible-playbook', self.playbook]
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if self.limit_hosts:
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command.extend(['--limit', self.limit_hosts])
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if self.module_path:
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command.extend(['--module-path', self.module_path])
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if self.become:
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command.extend(['--become'])
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if self.become_user:
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command.extend(['--become-user', self.become_user])
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if self.extra_vars:
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command.extend(['--extra-vars', self.extra_vars])
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if self.flush_cache:
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command.extend(['--flush-cache'])
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if self.forks:
|
|
command.extend(['--forks', self.forks])
|
|
|
|
if self.ssh_common_args:
|
|
command.extend(['--ssh-common-args', self.ssh_common_args])
|
|
|
|
if self.ssh_extra_args:
|
|
command.extend(['--ssh-extra-args', self.ssh_extra_args])
|
|
|
|
if self.timeout:
|
|
command.extend(['--timeout', self.timeout])
|
|
|
|
if self.inventory:
|
|
command.extend(['--inventory-file', self.inventory])
|
|
|
|
if self.blacklisted_hostnames:
|
|
host_pattern = ':'.join(
|
|
['!%s' % h for h in self.blacklisted_hostnames])
|
|
command.extend(['--limit', host_pattern])
|
|
|
|
if self.tags:
|
|
command.extend(['--tags', self.tags])
|
|
|
|
if self.skip_tags:
|
|
command.extend(['--skip-tags', self.skip_tags])
|
|
|
|
if self.extra_env_variables:
|
|
if not isinstance(self.extra_env_variables, dict):
|
|
msg = "extra_env_variables must be a dict"
|
|
return actions.Result(error=msg)
|
|
else:
|
|
for key, value in self.extra_env_variables.items():
|
|
self.extra_env_variables[key] = six.text_type(value)
|
|
|
|
if self.gather_facts:
|
|
command.extend(['--gather-facts', self.gather_facts])
|
|
|
|
try:
|
|
ansible_config_path = write_default_ansible_cfg(
|
|
self.work_dir,
|
|
self.remote_user,
|
|
ssh_private_key=self.ssh_private_key,
|
|
override_ansible_cfg=self.override_ansible_cfg)
|
|
env_variables = {
|
|
'HOME': self.work_dir,
|
|
'ANSIBLE_LOCAL_TEMP': self.work_dir,
|
|
'ANSIBLE_CONFIG': ansible_config_path,
|
|
}
|
|
|
|
if self.profile_tasks:
|
|
env_variables.update({
|
|
# the whitelist could be collected from multiple
|
|
# arguments if we find a use case for it
|
|
'ANSIBLE_CALLBACK_WHITELIST': 'profile_tasks',
|
|
'PROFILE_TASKS_TASK_OUTPUT_LIMIT':
|
|
six.text_type(self.profile_tasks_limit),
|
|
})
|
|
|
|
if self.extra_env_variables:
|
|
env_variables.update(self.extra_env_variables)
|
|
|
|
if self.use_openstack_credentials:
|
|
security_ctx = context.security
|
|
env_variables.update({
|
|
'OS_AUTH_URL': security_ctx.auth_uri,
|
|
'OS_USERNAME': security_ctx.user_name,
|
|
'OS_AUTH_TOKEN': security_ctx.auth_token,
|
|
'OS_PROJECT_NAME': security_ctx.project_name})
|
|
|
|
if self.command_timeout:
|
|
command = ['timeout', self.command_timeout] + command
|
|
|
|
command = [str(c) for c in command]
|
|
|
|
if self.reproduce_command:
|
|
command_path = os.path.join(self.work_dir,
|
|
"ansible-playbook-command.sh")
|
|
with open(command_path, 'w') as f:
|
|
f.write('#!/bin/bash\n')
|
|
f.write('\n')
|
|
for var in env_variables:
|
|
f.write('%s="%s"\n' % (var, env_variables[var]))
|
|
f.write('\n')
|
|
f.write(' '.join(command))
|
|
f.write(' "$@"')
|
|
f.write('\n')
|
|
|
|
os.chmod(command_path, 0o750)
|
|
|
|
if self.queue_name:
|
|
zaqar = self.get_messaging_client(context)
|
|
queue = zaqar.queue(self.queue_name)
|
|
# TODO(d0ugal): We don't have the log errors functionality
|
|
# that processutils has, do we need to replicate that somehow?
|
|
process = subprocess.Popen(command, stdout=subprocess.PIPE,
|
|
stderr=subprocess.STDOUT,
|
|
shell=False, bufsize=1,
|
|
cwd=self.work_dir,
|
|
env=env_variables)
|
|
start = time.time()
|
|
stdout = []
|
|
lines = []
|
|
for line in iter(process.stdout.readline, b''):
|
|
lines.append(line)
|
|
if not self.trash_output:
|
|
stdout.append(line)
|
|
if time.time() - start > 30:
|
|
self.post_message(queue, ''.join(lines))
|
|
lines = []
|
|
start = time.time()
|
|
self.post_message(queue, ''.join(lines))
|
|
process.stdout.close()
|
|
returncode = process.wait()
|
|
# TODO(d0ugal): This bit isn't ideal - as we redirect stderr to
|
|
# stdout we don't know the difference. To keep the return dict
|
|
# similar there is an empty stderr. We can use the return code
|
|
# to determine if there was an error.
|
|
return {"stdout": "".join(stdout), "returncode": returncode,
|
|
"stderr": ""}
|
|
|
|
LOG.info('Running ansible-playbook command: %s', command)
|
|
|
|
stderr, stdout = processutils.execute(
|
|
*command, cwd=self.work_dir,
|
|
env_variables=env_variables,
|
|
log_errors=processutils.LogErrors.ALL)
|
|
if self.trash_output:
|
|
stdout = ""
|
|
stderr = ""
|
|
return {"stderr": stderr, "stdout": stdout,
|
|
"log_path": os.path.join(self.work_dir, 'ansible.log')}
|
|
finally:
|
|
# NOTE(flaper87): clean the mess if debug is disabled.
|
|
if not self.verbosity:
|
|
shutil.rmtree(self.work_dir)
|
|
|
|
|
|
class AnsibleGenerateInventoryAction(base.TripleOAction):
|
|
"""Executes tripleo-ansible-inventory to generate an inventory"""
|
|
|
|
def __init__(self, **kwargs):
|
|
self._kwargs_for_run = kwargs
|
|
self.ansible_ssh_user = self._kwargs_for_run.pop(
|
|
'ansible_ssh_user', 'tripleo-admin')
|
|
self._work_dir = self._kwargs_for_run.pop(
|
|
'work_dir', None)
|
|
self.plan_name = self._kwargs_for_run.pop(
|
|
'plan_name', 'overcloud')
|
|
self.ssh_network = self._kwargs_for_run.pop(
|
|
'ssh_network', 'ctlplane')
|
|
|
|
@property
|
|
def work_dir(self):
|
|
if self._work_dir:
|
|
return self._work_dir
|
|
self._work_dir = tempfile.mkdtemp(prefix='ansible-mistral-action')
|
|
return self._work_dir
|
|
|
|
def run(self, context):
|
|
|
|
inventory_path = os.path.join(
|
|
self.work_dir, 'tripleo-ansible-inventory.yaml')
|
|
|
|
inventory = TripleoInventory(
|
|
session=self.get_session(context, 'heat'),
|
|
hclient=self.get_orchestration_client(context),
|
|
auth_url=context.security.auth_uri,
|
|
cacert=context.security.auth_cacert,
|
|
project_name=context.security.project_name,
|
|
username=context.security.user_name,
|
|
ansible_ssh_user=self.ansible_ssh_user,
|
|
plan_name=self.plan_name,
|
|
host_network=self.ssh_network)
|
|
|
|
inventory.write_static_inventory(inventory_path)
|
|
return inventory_path
|