ansible/lib/ansible/cli/adhoc.py

195 lines
6.9 KiB
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
from ansible import constants as C
from ansible.cli import CLI
from ansible.errors import AnsibleError, AnsibleOptionsError
from ansible.executor.task_queue_manager import TaskQueueManager
from ansible.inventory import Inventory
from ansible.parsing.dataloader import DataLoader
from ansible.parsing.splitter import parse_kv
from ansible.playbook.play import Play
from ansible.plugins import get_all_plugin_loaders
from ansible.utils.vars import load_extra_vars
from ansible.utils.unicode import to_unicode
from ansible.vars import VariableManager
try:
from __main__ import display
except ImportError:
from ansible.utils.display import Display
display = Display()
########################################################
class AdHocCLI(CLI):
''' code behind ansible ad-hoc cli'''
def parse(self):
''' create an options parser for bin/ansible '''
self.parser = CLI.base_parser(
usage='%prog <host-pattern> [options]',
runas_opts=True,
inventory_opts=True,
async_opts=True,
output_opts=True,
connect_opts=True,
check_opts=True,
runtask_opts=True,
vault_opts=True,
fork_opts=True,
module_opts=True,
)
# options unique to ansible ad-hoc
self.parser.add_option('-a', '--args', dest='module_args',
help="module arguments", default=C.DEFAULT_MODULE_ARGS)
self.parser.add_option('-m', '--module-name', dest='module_name',
help="module name to execute (default=%s)" % C.DEFAULT_MODULE_NAME,
default=C.DEFAULT_MODULE_NAME)
self.options, self.args = self.parser.parse_args(self.args[1:])
if len(self.args) != 1:
raise AnsibleOptionsError("Missing target hosts")
display.verbosity = self.options.verbosity
self.validate_conflicts(runas_opts=True, vault_opts=True, fork_opts=True)
return True
def _play_ds(self, pattern, async, poll):
check_raw = self.options.module_name in ('command', 'shell', 'script', 'raw')
return dict(
name = "Ansible Ad-Hoc",
hosts = pattern,
gather_facts = 'no',
tasks = [ dict(action=dict(module=self.options.module_name, args=parse_kv(self.options.module_args, check_raw=check_raw)), async=async, poll=poll) ]
)
def run(self):
''' use Runner lib to do SSH things '''
super(AdHocCLI, self).run()
# only thing left should be host pattern
pattern = to_unicode(self.args[0], errors='strict')
# ignore connection password cause we are local
if self.options.connection == "local":
self.options.ask_pass = False
sshpass = None
becomepass = None
vault_pass = None
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)
variable_manager = VariableManager()
variable_manager.extra_vars = load_extra_vars(loader=loader, options=self.options)
inventory = Inventory(loader=loader, variable_manager=variable_manager, host_list=self.options.inventory)
variable_manager.set_inventory(inventory)
no_hosts = False
if len(inventory.list_hosts(pattern)) == 0:
# Empty inventory
display.warning("provided hosts list is empty, only localhost is available")
no_hosts = True
inventory.subset(self.options.subset)
hosts = inventory.list_hosts(pattern)
if len(hosts) == 0 and no_hosts is False:
# Invalid limit
raise AnsibleError("Specified --limit does not match any hosts")
if self.options.listhosts:
display.display(' hosts (%d):' % len(hosts))
for host in hosts:
display.display(' %s' % host)
return 0
if self.options.module_name in C.MODULE_REQUIRE_ARGS and not self.options.module_args:
err = "No argument passed to %s module" % self.options.module_name
if pattern.endswith(".yml"):
err = err + ' (did you mean to run ansible-playbook?)'
raise AnsibleOptionsError(err)
# dynamically load any plugins from the playbook directory
for name, obj in get_all_plugin_loaders():
if obj.subdir:
plugin_path = os.path.join('.', obj.subdir)
if os.path.isdir(plugin_path):
obj.add_directory(plugin_path)
play_ds = self._play_ds(pattern, self.options.seconds, self.options.poll_interval)
play = Play().load(play_ds, variable_manager=variable_manager, loader=loader)
if self.callback:
cb = self.callback
elif self.options.one_line:
cb = 'oneline'
else:
cb = 'minimal'
run_tree=False
if self.options.tree:
C.DEFAULT_CALLBACK_WHITELIST.append('tree')
C.TREE_DIR = self.options.tree
run_tree=True
# now create a task queue manager to execute the play
self._tqm = None
try:
self._tqm = TaskQueueManager(
inventory=inventory,
variable_manager=variable_manager,
loader=loader,
options=self.options,
passwords=passwords,
stdout_callback=cb,
run_additional_callbacks=C.DEFAULT_LOAD_CALLBACK_PLUGINS,
run_tree=run_tree,
)
result = self._tqm.run(play)
finally:
if self._tqm:
self._tqm.cleanup()
return result