ansible/bin/ansible
Michael DeHaan a9162a86f2 Very basic --diff option for showing what happens when templates change.
Probably output is not useful if not used with --limit

Works well with --check mode
2013-02-07 22:52:25 -05:00

167 lines
5.6 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/>.
########################################################
import sys
import getpass
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()
# ----------------------------------------------
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)
parser.add_option('--list-hosts', dest='listhosts', action='store_true',
help="dump out a list of hosts matching input pattern, does not execute any modules!")
options, args = parser.parse_args()
self.callbacks.options = options
if len(args) == 0 or len(args) > 1:
parser.print_help()
sys.exit(1)
return (options, args)
# ----------------------------------------------
def run(self, options, args):
''' use Runner lib to do SSH things '''
pattern = args[0]
inventory_manager = inventory.Inventory(options.inventory)
if options.subset:
inventory_manager.subset(options.subset)
hosts = inventory_manager.list_hosts(pattern)
if len(hosts) == 0:
print >>sys.stderr, "No hosts matched"
sys.exit(1)
if options.listhosts:
for host in hosts:
print ' %s' % host
sys.exit(0)
if options.module_name == 'command' and not options.module_args:
print >>sys.stderr, "No argument passed to command module"
sys.exit(1)
sshpass = None
sudopass = None
options.ask_pass = options.ask_pass or C.DEFAULT_ASK_PASS
if options.ask_pass:
sshpass = getpass.getpass(prompt="SSH password: ")
options.ask_sudo_pass= options.ask_sudo_pass or C.DEFAULT_ASK_SUDO_PASS
if options.ask_sudo_pass:
sudopass = getpass.getpass(prompt="sudo password: ")
options.sudo = True
if options.sudo_user:
options.sudo = True
options.sudo_user = options.sudo_user or C.DEFAULT_SUDO_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
)
if options.seconds:
print "background launch...\n\n"
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__':
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(2)
except errors.AnsibleError, e:
# Generic handler for ansible specific errors
print "ERROR: %s" % str(e)
sys.exit(1)