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#!/usr/bin/env python
# (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.inventory import Inventory
from ansible.parsing.dataloader import DataLoader
from ansible.utils.vars import load_extra_vars
from ansible.vars import VariableManager
#---------------------------------------------------------------------------------------------------
class PlaybookCLI(CLI):
''' code behind ansible playbook cli'''
def parse(self):
# create parser for CLI options
parser = CLI.base_parser(
usage = "%prog playbook.yml",
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,
)
# 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.options, self.args = parser.parse_args()
self.parser = parser
if len(self.args) == 0:
raise AnsibleOptionsError("You must specify a playbook file to run")
self.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
vault_pass = None
passwords = {}
# 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 = DataLoader()
if self.options.vault_password_file:
# read vault_pass from a file
vault_pass = CLI.read_vault_password_file(self.options.vault_password_file, loader=loader)
loader.set_vault_password(vault_pass)
elif self.options.ask_vault_pass:
vault_pass = self.ask_vault_passwords()[0]
loader.set_vault_password(vault_pass)
# 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)
# create the variable manager, which will be shared throughout
# the code, ensuring a consistent view of global variables
variable_manager = VariableManager()
variable_manager.extra_vars = load_extra_vars(loader=loader, options=self.options)
# create the inventory, and filter it based on the subset specified (if any)
inventory = Inventory(loader=loader, variable_manager=variable_manager, host_list=self.options.inventory)
variable_manager.set_inventory(inventory)
# (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())
no_hosts = False
if len(inventory.list_hosts()) == 0:
# Empty inventory
self.display.warning("provided hosts list is empty, only localhost is available")
no_hosts = True
inventory.subset(self.options.subset)
if len(inventory.list_hosts()) == 0 and no_hosts is False:
# Invalid limit
raise AnsibleError("Specified --limit does not match any hosts")
# 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, display=self.display, options=self.options, passwords=passwords)
results = pbex.run()
if isinstance(results, list):
for p in results:
self.display.display('\nplaybook: %s' % p['playbook'])
i = 1
for play in p['plays']:
if play.name:
playname = play.name
else:
playname = '#' + str(i)
msg = "\n PLAY: %s" % (playname)
mytags = set()
if self.options.listtags and play.tags:
mytags = mytags.union(set(play.tags))
msg += ' TAGS: [%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
self.display.display(msg)
if self.options.listtags or self.options.listtasks:
taskmsg = ' tasks:'
for block in play.compile():
if not block.has_tasks():
continue
j = 1
for task in block.block:
taskmsg += "\n %s" % task
if self.options.listtags and task.tags:
taskmsg += " TAGS: [%s]" % ','.join(mytags.union(set(task.tags)))
j = j + 1
self.display.display(taskmsg)
i = i + 1
return 0
else:
return results
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