ansible/bin/ansible

218 lines
7.8 KiB
Python
Executable file

#!/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/>.
########################################################
__requires__ = ['ansible']
try:
import pkg_resources
except Exception:
# Use pkg_resources to find the correct versions of libraries and set
# sys.path appropriately when there are multiversion installs. But we
# have code that better expresses the errors in the places where the code
# is actually used (the deps are optional for many code paths) so we don't
# want to fail here.
pass
import os
import sys
from ansible.runner import Runner
import ansible.constants as C
from ansible import utils
from ansible import errors
from ansible import callbacks
from ansible import inventory
########################################################
class Cli(object):
''' code behind bin/ansible '''
# ----------------------------------------------
def __init__(self):
self.stats = callbacks.AggregateStats()
self.callbacks = callbacks.CliRunnerCallbacks()
if C.DEFAULT_LOAD_CALLBACK_PLUGINS:
callbacks.load_callback_plugins()
# ----------------------------------------------
def parse(self):
''' create an options parser for bin/ansible '''
parser = utils.base_parser(
constants=C,
runas_opts=True,
subset_opts=True,
async_opts=True,
output_opts=True,
connect_opts=True,
check_opts=True,
diff_opts=False,
usage='%prog <host-pattern> [options]'
)
parser.add_option('-a', '--args', dest='module_args',
help="module arguments", default=C.DEFAULT_MODULE_ARGS)
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)
options, args = parser.parse_args()
self.callbacks.options = options
if len(args) == 0 or len(args) > 1:
parser.print_help()
sys.exit(1)
# su and sudo command line arguments need to be mutually exclusive
if (options.su or options.su_user or options.ask_su_pass) and \
(options.sudo or options.sudo_user or options.ask_sudo_pass):
parser.error("Sudo arguments ('--sudo', '--sudo-user', and '--ask-sudo-pass') "
"and su arguments ('-su', '--su-user', and '--ask-su-pass') are "
"mutually exclusive")
if (options.ask_vault_pass and options.vault_password_file):
parser.error("--ask-vault-pass and --vault-password-file are mutually exclusive")
return (options, args)
# ----------------------------------------------
def run(self, options, args):
''' use Runner lib to do SSH things '''
pattern = args[0]
sshpass = None
sudopass = None
su_pass = None
vault_pass = None
options.ask_pass = options.ask_pass or C.DEFAULT_ASK_PASS
# Never ask for an SSH password when we run with local connection
if options.connection == "local":
options.ask_pass = False
options.ask_sudo_pass = options.ask_sudo_pass or C.DEFAULT_ASK_SUDO_PASS
options.ask_su_pass = options.ask_su_pass or C.DEFAULT_ASK_SU_PASS
options.ask_vault_pass = options.ask_vault_pass or C.DEFAULT_ASK_VAULT_PASS
(sshpass, sudopass, su_pass, vault_pass) = utils.ask_passwords(ask_pass=options.ask_pass, ask_sudo_pass=options.ask_sudo_pass, ask_su_pass=options.ask_su_pass, ask_vault_pass=options.ask_vault_pass)
# read vault_pass from a file
if not options.ask_vault_pass and options.vault_password_file:
vault_pass = utils.read_vault_file(options.vault_password_file)
extra_vars = utils.parse_extra_vars(options.extra_vars, vault_pass)
inventory_manager = inventory.Inventory(options.inventory, vault_password=vault_pass)
if options.subset:
inventory_manager.subset(options.subset)
hosts = inventory_manager.list_hosts(pattern)
if len(hosts) == 0:
callbacks.display("No hosts matched", stderr=True)
sys.exit(0)
if options.listhosts:
for host in hosts:
callbacks.display(' %s' % host)
sys.exit(0)
if ((options.module_name == 'command' or options.module_name == 'shell')
and not options.module_args):
callbacks.display("No argument passed to %s module" % options.module_name, color='red', stderr=True)
sys.exit(1)
if options.su_user or options.ask_su_pass:
options.su = True
options.sudo_user = options.sudo_user or C.DEFAULT_SUDO_USER
options.su_user = options.su_user or C.DEFAULT_SU_USER
if options.tree:
utils.prepare_writeable_dir(options.tree)
runner = Runner(
module_name=options.module_name,
module_path=options.module_path,
module_args=options.module_args,
remote_user=options.remote_user,
remote_pass=sshpass,
inventory=inventory_manager,
timeout=options.timeout,
private_key_file=options.private_key_file,
forks=options.forks,
pattern=pattern,
callbacks=self.callbacks,
sudo=options.sudo,
sudo_pass=sudopass,
sudo_user=options.sudo_user,
transport=options.connection,
subset=options.subset,
check=options.check,
diff=options.check,
su=options.su,
su_pass=su_pass,
su_user=options.su_user,
vault_pass=vault_pass,
extra_vars=extra_vars,
)
if options.seconds:
callbacks.display("background launch...\n\n", color='cyan')
results, poller = runner.run_async(options.seconds)
results = self.poll_while_needed(poller, options)
else:
results = runner.run()
return (runner, results)
# ----------------------------------------------
def poll_while_needed(self, poller, options):
''' summarize results from Runner '''
# BACKGROUND POLL LOGIC when -B and -P are specified
if options.seconds and options.poll_interval > 0:
poller.wait(options.seconds, options.poll_interval)
return poller.results
########################################################
if __name__ == '__main__':
callbacks.display("", log_only=True)
callbacks.display(" ".join(sys.argv), log_only=True)
callbacks.display("", log_only=True)
cli = Cli()
(options, args) = cli.parse()
try:
(runner, results) = cli.run(options, args)
for result in results['contacted'].values():
if 'failed' in result or result.get('rc', 0) != 0:
sys.exit(2)
if results['dark']:
sys.exit(3)
except errors.AnsibleError, e:
# Generic handler for ansible specific errors
callbacks.display("ERROR: %s" % str(e), stderr=True, color='red')
sys.exit(1)