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//usr/lib/python2.6/site-packages/ansible/cli/playbook.py
# (c) 2012, Michael DeHaan <michael.dehaan@gmail.com> # # This file is part of Ansible # # Ansible is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # Ansible is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with Ansible. If not, see <http://www.gnu.org/licenses/>. ######################################################## from __future__ import (absolute_import, division, print_function) __metaclass__ = type import os import stat from ansible.cli import CLI from ansible.errors import AnsibleError, AnsibleOptionsError from ansible.executor.playbook_executor import PlaybookExecutor from ansible.playbook.block import Block from ansible.playbook.play_context import PlayContext try: from __main__ import display except ImportError: from ansible.utils.display import Display display = Display() class PlaybookCLI(CLI): ''' the tool to run *Ansible playbooks*, which are a configuration and multinode deployment system. See the project home page (https://docs.ansible.com) for more information. ''' def parse(self): # create parser for CLI options parser = CLI.base_parser( usage="%prog [options] playbook.yml [playbook2 ...]", connect_opts=True, meta_opts=True, runas_opts=True, subset_opts=True, check_opts=True, inventory_opts=True, runtask_opts=True, vault_opts=True, fork_opts=True, module_opts=True, desc="Runs Ansible playbooks, executing the defined tasks on the targeted hosts.", ) # ansible playbook specific opts parser.add_option('--list-tasks', dest='listtasks', action='store_true', help="list all tasks that would be executed") parser.add_option('--list-tags', dest='listtags', action='store_true', help="list all available tags") parser.add_option('--step', dest='step', action='store_true', help="one-step-at-a-time: confirm each task before running") parser.add_option('--start-at-task', dest='start_at_task', help="start the playbook at the task matching this name") self.parser = parser super(PlaybookCLI, self).parse() if len(self.args) == 0: raise AnsibleOptionsError("You must specify a playbook file to run") display.verbosity = self.options.verbosity self.validate_conflicts(runas_opts=True, vault_opts=True, fork_opts=True) def run(self): super(PlaybookCLI, self).run() # Note: slightly wrong, this is written so that implicit localhost # Manage passwords sshpass = None becomepass = None passwords = {} # initial error check, to make sure all specified playbooks are accessible # before we start running anything through the playbook executor for playbook in self.args: if not os.path.exists(playbook): raise AnsibleError("the playbook: %s could not be found" % playbook) if not (os.path.isfile(playbook) or stat.S_ISFIFO(os.stat(playbook).st_mode)): raise AnsibleError("the playbook: %s does not appear to be a file" % playbook) # don't deal with privilege escalation or passwords when we don't need to if not self.options.listhosts and not self.options.listtasks and not self.options.listtags and not self.options.syntax: self.normalize_become_options() (sshpass, becomepass) = self.ask_passwords() passwords = {'conn_pass': sshpass, 'become_pass': becomepass} loader, inventory, variable_manager = self._play_prereqs(self.options) # (which is not returned in list_hosts()) is taken into account for # warning if inventory is empty. But it can't be taken into account for # checking if limit doesn't match any hosts. Instead we don't worry about # limit if only implicit localhost was in inventory to start with. # # Fix this when we rewrite inventory by making localhost a real host (and thus show up in list_hosts()) hosts = CLI.get_host_list(inventory, self.options.subset) # flush fact cache if requested if self.options.flush_cache: self._flush_cache(inventory, variable_manager) # create the playbook executor, which manages running the plays via a task queue manager pbex = PlaybookExecutor(playbooks=self.args, inventory=inventory, variable_manager=variable_manager, loader=loader, options=self.options, passwords=passwords) results = pbex.run() if isinstance(results, list): for p in results: display.display('\nplaybook: %s' % p['playbook']) for idx, play in enumerate(p['plays']): if play._included_path is not None: loader.set_basedir(play._included_path) else: pb_dir = os.path.realpath(os.path.dirname(p['playbook'])) loader.set_basedir(pb_dir) msg = "\n play #%d (%s): %s" % (idx + 1, ','.join(play.hosts), play.name) mytags = set(play.tags) msg += '\tTAGS: [%s]' % (','.join(mytags)) if self.options.listhosts: playhosts = set(inventory.get_hosts(play.hosts)) msg += "\n pattern: %s\n hosts (%d):" % (play.hosts, len(playhosts)) for host in playhosts: msg += "\n %s" % host display.display(msg) all_tags = set() if self.options.listtags or self.options.listtasks: taskmsg = '' if self.options.listtasks: taskmsg = ' tasks:\n' def _process_block(b): taskmsg = '' for task in b.block: if isinstance(task, Block): taskmsg += _process_block(task) else: if task.action == 'meta': continue all_tags.update(task.tags) if self.options.listtasks: cur_tags = list(mytags.union(set(task.tags))) cur_tags.sort() if task.name: taskmsg += " %s" % task.get_name() else: taskmsg += " %s" % task.action taskmsg += "\tTAGS: [%s]\n" % ', '.join(cur_tags) return taskmsg all_vars = variable_manager.get_vars(play=play) play_context = PlayContext(play=play, options=self.options) for block in play.compile(): block = block.filter_tagged_tasks(play_context, all_vars) if not block.has_tasks(): continue taskmsg += _process_block(block) if self.options.listtags: cur_tags = list(mytags.union(all_tags)) cur_tags.sort() taskmsg += " TASK TAGS: [%s]\n" % ', '.join(cur_tags) display.display(taskmsg) return 0 else: return results def _flush_cache(self, inventory, variable_manager): for host in inventory.list_hosts(): hostname = host.get_name() variable_manager.clear_facts(hostname)
