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community.general/bin/ansible

207 lines
7.6 KiB
Python
Executable file

#!/usr/bin/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/>.
########################################################
try:
import json
except ImportError:
import simplejson as json
from optparse import OptionParser
import sys
import os
import getpass
import shlex
import time
from optparse import OptionParser
import ansible.runner
import ansible.playbook
import ansible.constants as C
from ansible.utils import *
from ansible.errors import *
########################################################
class Cli(object):
''' code behind bin/ansible '''
# ----------------------------------------------
def __init__(self):
pass
# ----------------------------------------------
def parse(self):
''' create an options parser for bin/ansible '''
parser = OptionParser(usage = 'ansible <host-pattern> [options]')
parser.add_option("-a", "--args", dest="module_args",
help="module arguments", default=C.DEFAULT_MODULE_ARGS)
parser.add_option("-B", "--background", dest="seconds", type='int', default=0,
help="run asynchronously, failing after X seconds")
parser.add_option('-f','--forks', dest='forks', default=C.DEFAULT_FORKS, type='int',
help='number of parallel processes to use')
parser.add_option("-i", "--inventory-file", dest="inventory",
help="inventory host file", default=C.DEFAULT_HOST_LIST)
parser.add_option("-k", "--ask-pass", default=False, action="store_true",
help="ask for SSH password")
parser.add_option("-M", "--module-path", dest="module_path",
help="path to module library", default=C.DEFAULT_MODULE_PATH)
parser.add_option("-m", "--module-name", dest="module_name",
help="module name to execute", default=C.DEFAULT_MODULE_NAME)
parser.add_option('-o', '--one-line', dest='one_line', action='store_true',
help="condense output")
parser.add_option('-P', '--poll', default=C.DEFAULT_POLL_INTERVAL, type='int',
dest='poll_interval', help="set the poll interval if using -B")
parser.add_option('-t', '--tree', dest='tree', default=None,
help="log output to this directory")
parser.add_option('-T', '--timeout', default=C.DEFAULT_TIMEOUT, type='int',
dest='timeout', help="set the SSH timeout in seconds")
parser.add_option('-u', '--user', default=C.DEFAULT_REMOTE_USER,
dest='remote_user', help='connect as this user')
options, args = parser.parse_args()
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]
sshpass = None
if options.ask_pass:
sshpass = getpass.getpass(prompt="SSH password: ")
runner = ansible.runner.Runner(
module_name=options.module_name,
module_path=options.module_path,
module_args=shlex.split(options.module_args),
remote_user=options.remote_user,
remote_pass=sshpass,
host_list=options.inventory,
timeout=options.timeout,
forks=options.forks,
background=options.seconds,
pattern=pattern,
verbose=True,
)
return (runner, runner.run())
# ----------------------------------------------
def get_polling_runner(self, old_runner, hosts, jid):
return ansible.runner.Runner(
module_name='async_status',
module_path=old_runner.module_path,
module_args=[ "jid=%s" % jid ],
remote_user=old_runner.remote_user,
remote_pass=old_runner.remote_pass,
host_list=hosts,
timeout=old_runner.timeout,
forks=old_runner.forks,
pattern='*',
verbose=True,
)
# ----------------------------------------------
def hosts_to_poll(self, results):
hosts = []
for (host, res) in results['contacted'].iteritems():
if res.get('started',False):
hosts.append(host)
return hosts
# ----------------------------------------------
def output(self, runner, results, options, args):
''' summarize results from Runner '''
if results is None:
exit("No hosts matched")
if options.tree:
prepare_writeable_dir(options.tree)
# BACKGROUND POLL LOGIC when -B and -P are specified
# FIXME: refactor
if options.seconds and options.poll_interval > 0:
poll_hosts = results['contacted'].keys()
if len(poll_hosts) == 0:
exit("no jobs were launched successfully")
ahost = poll_hosts[0]
jid = results['contacted'][ahost].get('ansible_job_id', None)
if jid is None:
exit("unexpected error: unable to determine jid")
clock = options.seconds
while (clock >= 0):
polling_runner = self.get_polling_runner(runner, poll_hosts, jid)
poll_results = polling_runner.run()
if poll_results is None:
break
for (host, host_result) in poll_results['contacted'].iteritems():
# override last result with current status result for report
results['contacted'][host] = host_result
print async_poll_status(jid, host, clock, host_result)
clock = clock - options.poll_interval
time.sleep(options.poll_interval)
poll_hosts = self.hosts_to_poll(poll_results)
for (host, host_result) in results['contacted'].iteritems():
if 'started' in host_result:
results['contacted'][host] = { 'failed' : 1, 'rc' : None, 'msg' : 'timed out' }
buf = ''
for hostname in contacted_hosts(results):
msg = host_report_msg(
hostname,
options.module_name,
contacted_host_result(results, hostname),
options.one_line
)
if options.tree:
write_tree_file(options.tree, hostname, bigjson(contacted_host_result(results, hostname)))
buf += msg
if has_dark_hosts(results):
buf += dark_hosts_msg(results)
print buf
########################################################
if __name__ == '__main__':
cli = Cli()
(options, args) = cli.parse()
try:
(runner, results) = cli.run(options, args)
except AnsibleError as e:
# Generic handler for ansible specific errors
print "ERROR: %s" % str(e)
sys.exit(1)
except Exception as e2:
print e2.__class__
else:
cli.output(runner, results, options, args)