209 lines
8.7 KiB
Python
Executable file
209 lines
8.7 KiB
Python
Executable file
#!/usr/bin/env python
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# (c) 2012, Michael DeHaan <michael.dehaan@gmail.com>
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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########################################################
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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__requires__ = ['ansible']
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try:
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import pkg_resources
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except Exception:
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# Use pkg_resources to find the correct versions of libraries and set
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# sys.path appropriately when there are multiversion installs. But we
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# have code that better expresses the errors in the places where the code
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# is actually used (the deps are optional for many code paths) so we don't
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# want to fail here.
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pass
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import os
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import stat
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import sys
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from ansible import constants as C
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from ansible.errors import AnsibleError
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from ansible.executor.playbook_executor import PlaybookExecutor
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from ansible.inventory import Inventory
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from ansible.parsing import DataLoader
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from ansible.parsing.splitter import parse_kv
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from ansible.playbook import Playbook
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from ansible.playbook.task import Task
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from ansible.utils.cli import CLI
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from ansible.utils.display import Display
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from ansible.utils.unicode import to_unicode
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from ansible.utils.vars import combine_vars
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from ansible.utils.vault import read_vault_file
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from ansible.vars import VariableManager
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#---------------------------------------------------------------------------------------------------
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class PlaybookCLI(CLI):
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''' code behind ansible playbook cli'''
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def parse(self):
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# create parser for CLI options
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parser = CLI.base_parser(
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usage = "%prog playbook.yml",
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connect_opts=True,
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meta_opts=True,
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runas_opts=True,
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subset_opts=True,
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check_opts=True,
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diff_opts=True,
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)
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# ansible playbook specific opts
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parser.add_option('--list-tasks', dest='listtasks', action='store_true',
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help="list all tasks that would be executed")
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parser.add_option('--step', dest='step', action='store_true',
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help="one-step-at-a-time: confirm each task before running")
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parser.add_option('--start-at-task', dest='start_at',
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help="start the playbook at the task matching this name")
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parser.add_option('--list-tags', dest='listtags', action='store_true',
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help="list all available tags")
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self.options, self.args = parser.parse_args()
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if len(self.args) == 0:
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parser.print_help(file=sys.stderr)
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raise AnsibleError("You must specify a playbook file to run")
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self.parser = parser
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self.display.verbosity = self.options.verbosity
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self.validate_conflicts()
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def run(self):
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# Note: slightly wrong, this is written so that implicit localhost
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# Manage passwords
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sshpass = None
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becomepass = None
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vault_pass = None
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passwords = {}
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# don't deal with privilege escalation or passwords when we don't need to
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if not self.options.listhosts and not self.options.listtasks and not self.options.listtags:
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self.normalize_become_options()
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(sshpass, becomepass) = self.ask_passwords()
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passwords = { 'conn_pass': sshpass, 'become_pass': becomepass }
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if self.options.vault_password_file:
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# read vault_pass from a file
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vault_pass = read_vault_file(self.options.vault_password_file)
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elif self.options.ask_vault_pass:
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vault_pass = self.ask_vault_passwords(ask_vault_pass=True, ask_new_vault_pass=False, confirm_new=False)[0]
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loader = DataLoader(vault_password=vault_pass)
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extra_vars = {}
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for extra_vars_opt in self.options.extra_vars:
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extra_vars_opt = to_unicode(extra_vars_opt, errors='strict')
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if extra_vars_opt.startswith(u"@"):
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# Argument is a YAML file (JSON is a subset of YAML)
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data = loader.load_from_file(extra_vars_opt[1:])
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elif extra_vars_opt and extra_vars_opt[0] in u'[{':
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# Arguments as YAML
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data = loader.load(extra_vars_opt)
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else:
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# Arguments as Key-value
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data = parse_kv(extra_vars_opt)
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extra_vars = combine_vars(extra_vars, data)
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# FIXME: this should be moved inside the playbook executor code
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only_tags = self.options.tags.split(",")
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skip_tags = self.options.skip_tags
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if self.options.skip_tags is not None:
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skip_tags = self.ptions.skip_tags.split(",")
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# initial error check, to make sure all specified playbooks are accessible
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# before we start running anything through the playbook executor
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for playbook in self.args:
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if not os.path.exists(playbook):
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raise AnsibleError("the playbook: %s could not be found" % playbook)
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if not (os.path.isfile(playbook) or stat.S_ISFIFO(os.stat(playbook).st_mode)):
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raise AnsibleError("the playbook: %s does not appear to be a file" % playbook)
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# create the variable manager, which will be shared throughout
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# the code, ensuring a consistent view of global variables
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variable_manager = VariableManager()
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variable_manager.set_extra_vars(extra_vars)
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# create the inventory, and filter it based on the subset specified (if any)
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inventory = Inventory(loader=loader, variable_manager=variable_manager, host_list=self.options.inventory)
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variable_manager.set_inventory(inventory)
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# (which is not returned in list_hosts()) is taken into account for
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# warning if inventory is empty. But it can't be taken into account for
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# checking if limit doesn't match any hosts. Instead we don't worry about
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# limit if only implicit localhost was in inventory to start with.
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#
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# Fix this when we rewrite inventory by making localhost a real host (and thus show up in list_hosts())
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no_hosts = False
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if len(inventory.list_hosts()) == 0:
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# Empty inventory
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self.display.warning("provided hosts list is empty, only localhost is available")
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no_hosts = True
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inventory.subset(self.options.subset)
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if len(inventory.list_hosts()) == 0 and no_hosts is False:
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# Invalid limit
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raise AnsibleError("Specified --limit does not match any hosts")
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# create the playbook executor, which manages running the plays via a task queue manager
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pbex = PlaybookExecutor(playbooks=self.args, inventory=inventory, variable_manager=variable_manager, loader=loader, display=self.display, options=self.options, passwords=passwords)
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results = pbex.run()
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if isinstance(results, list):
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for p in results:
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self.display.display('\nplaybook: %s\n' % p['playbook'])
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for play in p['plays']:
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if self.options.listhosts:
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self.display.display("\n %s (%s): host count=%d" % (play['name'], play['pattern'], len(play['hosts'])))
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for host in play['hosts']:
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self.display.display(" %s" % host)
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if self.options.listtasks: #TODO: do we want to display block info?
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self.display.display("\n %s" % (play['name']))
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for task in play['tasks']:
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self.display.display(" %s" % task)
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if self.options.listtags: #TODO: fix once we figure out block handling above
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self.display.display("\n %s: tags count=%d" % (play['name'], len(play['tags'])))
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for tag in play['tags']:
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self.display.display(" %s" % tag)
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return 0
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else:
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return results
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########################################################
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if __name__ == "__main__":
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display = Display()
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try:
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cli = PlaybookCLI(sys.argv, display=display)
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cli.parse()
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sys.exit(cli.run())
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except AnsibleError as e:
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display.display(str(e), stderr=True, color='red')
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sys.exit(1)
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except KeyboardInterrupt:
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display.error("interrupted")
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sys.exit(1)
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