671 lines
24 KiB
Python
671 lines
24 KiB
Python
# (C) 2012-2013, Michael DeHaan, <michael.dehaan@gmail.com>
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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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import utils
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import sys
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import getpass
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import os
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import subprocess
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import random
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import fnmatch
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import tempfile
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import fcntl
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import constants
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from ansible.color import stringc
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import logging
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if constants.DEFAULT_LOG_PATH != '':
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path = constants.DEFAULT_LOG_PATH
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if (os.path.exists(path) and not os.access(path, os.W_OK)) or not os.access(os.path.dirname(path), os.W_OK):
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sys.stderr.write("log file at %s is not writeable, aborting\n" % path)
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sys.exit(1)
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logging.basicConfig(filename=path, level=logging.DEBUG, format='%(asctime)s %(name)s %(message)s')
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mypid = str(os.getpid())
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user = getpass.getuser()
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logger = logging.getLogger("p=%s u=%s | " % (mypid, user))
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callback_plugins = []
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def load_callback_plugins():
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global callback_plugins
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callback_plugins = [x for x in utils.plugins.callback_loader.all()]
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def get_cowsay_info():
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if constants.ANSIBLE_NOCOWS:
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return (None, None)
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cowsay = None
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if os.path.exists("/usr/bin/cowsay"):
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cowsay = "/usr/bin/cowsay"
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elif os.path.exists("/usr/games/cowsay"):
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cowsay = "/usr/games/cowsay"
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elif os.path.exists("/usr/local/bin/cowsay"):
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# BSD path for cowsay
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cowsay = "/usr/local/bin/cowsay"
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elif os.path.exists("/opt/local/bin/cowsay"):
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# MacPorts path for cowsay
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cowsay = "/opt/local/bin/cowsay"
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noncow = os.getenv("ANSIBLE_COW_SELECTION",None)
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if cowsay and noncow == 'random':
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cmd = subprocess.Popen([cowsay, "-l"], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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(out, err) = cmd.communicate()
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cows = out.split()
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cows.append(False)
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noncow = random.choice(cows)
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return (cowsay, noncow)
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cowsay, noncow = get_cowsay_info()
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def log_lockfile():
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tempdir = tempfile.gettempdir()
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uid = os.getuid()
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path = os.path.join(tempdir, ".ansible-lock.%s" % uid)
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return path
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LOG_LOCK = open(log_lockfile(), 'w')
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def log_flock(runner):
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if runner is not None:
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try:
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fcntl.lockf(runner.output_lockfile, fcntl.LOCK_EX)
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except OSError:
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# already got closed?
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pass
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else:
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try:
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fcntl.lockf(LOG_LOCK, fcntl.LOCK_EX)
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except OSError:
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pass
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def log_unflock(runner):
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if runner is not None:
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try:
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fcntl.lockf(runner.output_lockfile, fcntl.LOCK_UN)
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except OSError:
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# already got closed?
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pass
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else:
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try:
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fcntl.lockf(LOG_LOCK, fcntl.LOCK_UN)
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except OSError:
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pass
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def set_play(callback, play):
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''' used to notify callback plugins of context '''
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callback.play = play
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for callback_plugin in callback_plugins:
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callback_plugin.play = play
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def set_task(callback, task):
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''' used to notify callback plugins of context '''
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callback.task = task
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for callback_plugin in callback_plugins:
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callback_plugin.task = task
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def display(msg, color=None, stderr=False, screen_only=False, log_only=False, runner=None):
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# prevent a very rare case of interlaced multiprocess I/O
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log_flock(runner)
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msg2 = msg
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if color:
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msg2 = stringc(msg, color)
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if not log_only:
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if not stderr:
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print msg2
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else:
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print >>sys.stderr, msg2
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if constants.DEFAULT_LOG_PATH != '':
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while msg.startswith("\n"):
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msg = msg.replace("\n","")
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if not screen_only:
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if color == 'red':
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logger.error(msg)
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else:
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logger.info(msg)
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log_unflock(runner)
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def call_callback_module(method_name, *args, **kwargs):
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for callback_plugin in callback_plugins:
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methods = [
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getattr(callback_plugin, method_name, None),
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getattr(callback_plugin, 'on_any', None)
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]
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for method in methods:
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if method is not None:
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method(*args, **kwargs)
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def vv(msg, host=None):
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return verbose(msg, host=host, caplevel=1)
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def vvv(msg, host=None):
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return verbose(msg, host=host, caplevel=2)
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def vvvv(msg, host=None):
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return verbose(msg, host=host, caplevel=3)
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def verbose(msg, host=None, caplevel=2):
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if utils.VERBOSITY > caplevel:
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if host is None:
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display(msg, color='blue')
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else:
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display("<%s> %s" % (host, msg), color='blue')
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class AggregateStats(object):
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''' holds stats about per-host activity during playbook runs '''
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def __init__(self):
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self.processed = {}
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self.failures = {}
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self.ok = {}
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self.dark = {}
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self.changed = {}
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self.skipped = {}
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def _increment(self, what, host):
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''' helper function to bump a statistic '''
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self.processed[host] = 1
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prev = (getattr(self, what)).get(host, 0)
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getattr(self, what)[host] = prev+1
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def compute(self, runner_results, setup=False, poll=False, ignore_errors=False):
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''' walk through all results and increment stats '''
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for (host, value) in runner_results.get('contacted', {}).iteritems():
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if not ignore_errors and (('failed' in value and bool(value['failed'])) or
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('failed_when_result' in value and [value['failed_when_result']] or ['rc' in value and value['rc'] != 0])[0]):
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self._increment('failures', host)
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elif 'skipped' in value and bool(value['skipped']):
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self._increment('skipped', host)
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elif 'changed' in value and bool(value['changed']):
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if not setup and not poll:
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self._increment('changed', host)
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self._increment('ok', host)
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else:
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if not poll or ('finished' in value and bool(value['finished'])):
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self._increment('ok', host)
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for (host, value) in runner_results.get('dark', {}).iteritems():
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self._increment('dark', host)
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def summarize(self, host):
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''' return information about a particular host '''
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return dict(
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ok = self.ok.get(host, 0),
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failures = self.failures.get(host, 0),
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unreachable = self.dark.get(host,0),
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changed = self.changed.get(host, 0),
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skipped = self.skipped.get(host, 0)
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)
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########################################################################
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def regular_generic_msg(hostname, result, oneline, caption):
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''' output on the result of a module run that is not command '''
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if not oneline:
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return "%s | %s >> %s\n" % (hostname, caption, utils.jsonify(result,format=True))
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else:
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return "%s | %s >> %s\n" % (hostname, caption, utils.jsonify(result))
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def banner_cowsay(msg):
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if msg.find(": [") != -1:
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msg = msg.replace("[","")
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if msg.endswith("]"):
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msg = msg[:-1]
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runcmd = [cowsay,"-W", "60"]
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if noncow:
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runcmd.append('-f')
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runcmd.append(noncow)
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runcmd.append(msg)
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cmd = subprocess.Popen(runcmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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(out, err) = cmd.communicate()
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return "%s\n" % out
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def banner_normal(msg):
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width = 78 - len(msg)
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if width < 3:
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width = 3
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filler = "*" * width
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return "\n%s %s " % (msg, filler)
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def banner(msg):
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if cowsay:
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try:
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return banner_cowsay(msg)
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except OSError:
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# somebody cleverly deleted cowsay or something during the PB run. heh.
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return banner_normal(msg)
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return banner_normal(msg)
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def command_generic_msg(hostname, result, oneline, caption):
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''' output the result of a command run '''
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rc = result.get('rc', '0')
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stdout = result.get('stdout','')
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stderr = result.get('stderr', '')
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msg = result.get('msg', '')
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hostname = hostname.encode('utf-8')
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caption = caption.encode('utf-8')
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if not oneline:
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buf = "%s | %s | rc=%s >>\n" % (hostname, caption, result.get('rc',0))
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if stdout:
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buf += stdout
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if stderr:
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buf += stderr
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if msg:
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buf += msg
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return buf + "\n"
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else:
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if stderr:
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return "%s | %s | rc=%s | (stdout) %s (stderr) %s" % (hostname, caption, rc, stdout, stderr)
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else:
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return "%s | %s | rc=%s | (stdout) %s" % (hostname, caption, rc, stdout)
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def host_report_msg(hostname, module_name, result, oneline):
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''' summarize the JSON results for a particular host '''
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failed = utils.is_failed(result)
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msg = ('', None)
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if module_name in [ 'command', 'shell', 'raw' ] and 'ansible_job_id' not in result and result.get('parsed',True) != False:
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if not failed:
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msg = (command_generic_msg(hostname, result, oneline, 'success'), 'green')
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else:
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msg = (command_generic_msg(hostname, result, oneline, 'FAILED'), 'red')
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else:
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if not failed:
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msg = (regular_generic_msg(hostname, result, oneline, 'success'), 'green')
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else:
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msg = (regular_generic_msg(hostname, result, oneline, 'FAILED'), 'red')
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return msg
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###############################################
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class DefaultRunnerCallbacks(object):
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''' no-op callbacks for API usage of Runner() if no callbacks are specified '''
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def __init__(self):
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pass
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def on_failed(self, host, res, ignore_errors=False):
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call_callback_module('runner_on_failed', host, res, ignore_errors=ignore_errors)
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def on_ok(self, host, res):
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call_callback_module('runner_on_ok', host, res)
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def on_error(self, host, msg):
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call_callback_module('runner_on_error', host, msg)
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def on_skipped(self, host, item=None):
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call_callback_module('runner_on_skipped', host, item=item)
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def on_unreachable(self, host, res):
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call_callback_module('runner_on_unreachable', host, res)
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def on_no_hosts(self):
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call_callback_module('runner_on_no_hosts')
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def on_async_poll(self, host, res, jid, clock):
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call_callback_module('runner_on_async_poll', host, res, jid, clock)
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def on_async_ok(self, host, res, jid):
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call_callback_module('runner_on_async_ok', host, res, jid)
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def on_async_failed(self, host, res, jid):
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call_callback_module('runner_on_async_failed', host, res, jid)
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def on_file_diff(self, host, diff):
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call_callback_module('runner_on_file_diff', diff)
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########################################################################
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class CliRunnerCallbacks(DefaultRunnerCallbacks):
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''' callbacks for use by /usr/bin/ansible '''
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def __init__(self):
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# set by /usr/bin/ansible later
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self.options = None
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self._async_notified = {}
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def on_failed(self, host, res, ignore_errors=False):
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self._on_any(host,res)
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super(CliRunnerCallbacks, self).on_failed(host, res, ignore_errors=ignore_errors)
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def on_ok(self, host, res):
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# hide magic variables used for ansible-playbook
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res.pop('verbose_override', None)
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res.pop('verbose_always', None)
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self._on_any(host,res)
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super(CliRunnerCallbacks, self).on_ok(host, res)
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def on_unreachable(self, host, res):
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if type(res) == dict:
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res = res.get('msg','')
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display("%s | FAILED => %s" % (host, res), stderr=True, color='red', runner=self.runner)
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if self.options.tree:
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utils.write_tree_file(
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self.options.tree, host,
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utils.jsonify(dict(failed=True, msg=res),format=True)
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)
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super(CliRunnerCallbacks, self).on_unreachable(host, res)
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def on_skipped(self, host, item=None):
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display("%s | skipped" % (host), runner=self.runner)
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super(CliRunnerCallbacks, self).on_skipped(host, item)
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def on_error(self, host, err):
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display("err: [%s] => %s\n" % (host, err), stderr=True, runner=self.runner)
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super(CliRunnerCallbacks, self).on_error(host, err)
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def on_no_hosts(self):
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display("no hosts matched\n", stderr=True, runner=self.runner)
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super(CliRunnerCallbacks, self).on_no_hosts()
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def on_async_poll(self, host, res, jid, clock):
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if jid not in self._async_notified:
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self._async_notified[jid] = clock + 1
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if self._async_notified[jid] > clock:
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self._async_notified[jid] = clock
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display("<job %s> polling, %ss remaining" % (jid, clock), runner=self.runner)
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super(CliRunnerCallbacks, self).on_async_poll(host, res, jid, clock)
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def on_async_ok(self, host, res, jid):
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display("<job %s> finished on %s => %s"%(jid, host, utils.jsonify(res,format=True)), runner=self.runner)
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super(CliRunnerCallbacks, self).on_async_ok(host, res, jid)
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def on_async_failed(self, host, res, jid):
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display("<job %s> FAILED on %s => %s"%(jid, host, utils.jsonify(res,format=True)), color='red', stderr=True, runner=self.runner)
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super(CliRunnerCallbacks, self).on_async_failed(host,res,jid)
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def _on_any(self, host, result):
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result2 = result.copy()
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result2.pop('invocation', None)
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(msg, color) = host_report_msg(host, self.options.module_name, result2, self.options.one_line)
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display(msg, color=color, runner=self.runner)
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if self.options.tree:
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utils.write_tree_file(self.options.tree, host, utils.jsonify(result2,format=True))
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def on_file_diff(self, host, diff):
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display(utils.get_diff(diff), runner=self.runner)
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super(CliRunnerCallbacks, self).on_file_diff(host, diff)
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########################################################################
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class PlaybookRunnerCallbacks(DefaultRunnerCallbacks):
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''' callbacks used for Runner() from /usr/bin/ansible-playbook '''
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def __init__(self, stats, verbose=utils.VERBOSITY):
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self.verbose = verbose
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self.stats = stats
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self._async_notified = {}
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def on_unreachable(self, host, results):
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item = None
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if type(results) == dict:
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item = results.get('item', None)
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if item:
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msg = "fatal: [%s] => (item=%s) => %s" % (host, item, results)
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else:
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msg = "fatal: [%s] => %s" % (host, results)
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display(msg, color='red', runner=self.runner)
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super(PlaybookRunnerCallbacks, self).on_unreachable(host, results)
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def on_failed(self, host, results, ignore_errors=False):
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results2 = results.copy()
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results2.pop('invocation', None)
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item = results2.get('item', None)
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parsed = results2.get('parsed', True)
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module_msg = ''
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if not parsed:
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module_msg = results2.pop('msg', None)
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stderr = results2.pop('stderr', None)
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stdout = results2.pop('stdout', None)
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returned_msg = results2.pop('msg', None)
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if item:
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msg = "failed: [%s] => (item=%s) => %s" % (host, item, utils.jsonify(results2))
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else:
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msg = "failed: [%s] => %s" % (host, utils.jsonify(results2))
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display(msg, color='red', runner=self.runner)
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if stderr:
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display("stderr: %s" % stderr, color='red', runner=self.runner)
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if stdout:
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display("stdout: %s" % stdout, color='red', runner=self.runner)
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if returned_msg:
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display("msg: %s" % returned_msg, color='red', runner=self.runner)
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if not parsed and module_msg:
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display("invalid output was: %s" % module_msg, color='red', runner=self.runner)
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if ignore_errors:
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display("...ignoring", color='cyan', runner=self.runner)
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super(PlaybookRunnerCallbacks, self).on_failed(host, results, ignore_errors=ignore_errors)
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def on_ok(self, host, host_result):
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item = host_result.get('item', None)
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host_result2 = host_result.copy()
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host_result2.pop('invocation', None)
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verbose_always = host_result2.pop('verbose_always', None)
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changed = host_result.get('changed', False)
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ok_or_changed = 'ok'
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if changed:
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ok_or_changed = 'changed'
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# show verbose output for non-setup module results if --verbose is used
|
|
msg = ''
|
|
if (not self.verbose or host_result2.get("verbose_override",None) is not
|
|
None) and verbose_always is None:
|
|
if item:
|
|
msg = "%s: [%s] => (item=%s)" % (ok_or_changed, host, item)
|
|
else:
|
|
if 'ansible_job_id' not in host_result or 'finished' in host_result:
|
|
msg = "%s: [%s]" % (ok_or_changed, host)
|
|
else:
|
|
# verbose ...
|
|
if item:
|
|
msg = "%s: [%s] => (item=%s) => %s" % (ok_or_changed, host, item, utils.jsonify(host_result2))
|
|
else:
|
|
if 'ansible_job_id' not in host_result or 'finished' in host_result2:
|
|
msg = "%s: [%s] => %s" % (ok_or_changed, host, utils.jsonify(host_result2))
|
|
|
|
if msg != '':
|
|
if not changed:
|
|
display(msg, color='green', runner=self.runner)
|
|
else:
|
|
display(msg, color='yellow', runner=self.runner)
|
|
super(PlaybookRunnerCallbacks, self).on_ok(host, host_result)
|
|
|
|
def on_error(self, host, err):
|
|
|
|
item = err.get('item', None)
|
|
msg = ''
|
|
if item:
|
|
msg = "err: [%s] => (item=%s) => %s" % (host, item, err)
|
|
else:
|
|
msg = "err: [%s] => %s" % (host, err)
|
|
|
|
display(msg, color='red', stderr=True, runner=self.runner)
|
|
super(PlaybookRunnerCallbacks, self).on_error(host, err)
|
|
|
|
def on_skipped(self, host, item=None):
|
|
if constants.DISPLAY_SKIPPED_HOSTS:
|
|
msg = ''
|
|
if item:
|
|
msg = "skipping: [%s] => (item=%s)" % (host, item)
|
|
else:
|
|
msg = "skipping: [%s]" % host
|
|
display(msg, color='cyan', runner=self.runner)
|
|
super(PlaybookRunnerCallbacks, self).on_skipped(host, item)
|
|
|
|
def on_no_hosts(self):
|
|
display("FATAL: no hosts matched or all hosts have already failed -- aborting\n", color='red', runner=self.runner)
|
|
super(PlaybookRunnerCallbacks, self).on_no_hosts()
|
|
|
|
def on_async_poll(self, host, res, jid, clock):
|
|
if jid not in self._async_notified:
|
|
self._async_notified[jid] = clock + 1
|
|
if self._async_notified[jid] > clock:
|
|
self._async_notified[jid] = clock
|
|
msg = "<job %s> polling, %ss remaining"%(jid, clock)
|
|
display(msg, color='cyan', runner=self.runner)
|
|
super(PlaybookRunnerCallbacks, self).on_async_poll(host,res,jid,clock)
|
|
|
|
def on_async_ok(self, host, res, jid):
|
|
msg = "<job %s> finished on %s"%(jid, host)
|
|
display(msg, color='cyan', runner=self.runner)
|
|
super(PlaybookRunnerCallbacks, self).on_async_ok(host, res, jid)
|
|
|
|
def on_async_failed(self, host, res, jid):
|
|
msg = "<job %s> FAILED on %s" % (jid, host)
|
|
display(msg, color='red', stderr=True, runner=self.runner)
|
|
super(PlaybookRunnerCallbacks, self).on_async_failed(host,res,jid)
|
|
|
|
def on_file_diff(self, host, diff):
|
|
display(utils.get_diff(diff), runner=self.runner)
|
|
super(PlaybookRunnerCallbacks, self).on_file_diff(host, diff)
|
|
|
|
########################################################################
|
|
|
|
class PlaybookCallbacks(object):
|
|
''' playbook.py callbacks used by /usr/bin/ansible-playbook '''
|
|
|
|
def __init__(self, verbose=False):
|
|
|
|
self.verbose = verbose
|
|
|
|
def on_start(self):
|
|
call_callback_module('playbook_on_start')
|
|
|
|
def on_notify(self, host, handler):
|
|
call_callback_module('playbook_on_notify', host, handler)
|
|
|
|
def on_no_hosts_matched(self):
|
|
display("skipping: no hosts matched", color='cyan')
|
|
call_callback_module('playbook_on_no_hosts_matched')
|
|
|
|
def on_no_hosts_remaining(self):
|
|
display("\nFATAL: all hosts have already failed -- aborting", color='red')
|
|
call_callback_module('playbook_on_no_hosts_remaining')
|
|
|
|
def on_task_start(self, name, is_conditional):
|
|
msg = "TASK: [%s]" % name
|
|
if is_conditional:
|
|
msg = "NOTIFIED: [%s]" % name
|
|
|
|
if hasattr(self, 'start_at'):
|
|
if name == self.start_at or fnmatch.fnmatch(name, self.start_at):
|
|
# we found out match, we can get rid of this now
|
|
del self.start_at
|
|
|
|
if hasattr(self, 'start_at'): # we still have start_at so skip the task
|
|
self.skip_task = True
|
|
elif hasattr(self, 'step') and self.step:
|
|
msg = ('Perform task: %s (y/n/c): ' % name).encode(sys.stdout.encoding)
|
|
resp = raw_input(msg)
|
|
if resp.lower() in ['y','yes']:
|
|
self.skip_task = False
|
|
display(banner(msg))
|
|
elif resp.lower() in ['c', 'continue']:
|
|
self.skip_task = False
|
|
self.step = False
|
|
display(banner(msg))
|
|
else:
|
|
self.skip_task = True
|
|
else:
|
|
self.skip_task = False
|
|
display(banner(msg))
|
|
|
|
call_callback_module('playbook_on_task_start', name, is_conditional)
|
|
|
|
def on_vars_prompt(self, varname, private=True, prompt=None, encrypt=None, confirm=False, salt_size=None, salt=None, default=None):
|
|
|
|
if prompt and default:
|
|
msg = "%s [%s]: " % (prompt, default)
|
|
elif prompt:
|
|
msg = "%s: " % prompt
|
|
else:
|
|
msg = 'input for %s: ' % varname
|
|
|
|
def prompt(prompt, private):
|
|
if private:
|
|
return getpass.getpass(prompt)
|
|
return raw_input(prompt)
|
|
|
|
|
|
if confirm:
|
|
while True:
|
|
result = prompt(msg, private)
|
|
second = prompt("confirm " + msg, private)
|
|
if result == second:
|
|
break
|
|
display("***** VALUES ENTERED DO NOT MATCH ****")
|
|
else:
|
|
result = prompt(msg, private)
|
|
|
|
# if result is false and default is not None
|
|
if not result and default:
|
|
result = default
|
|
|
|
|
|
if encrypt:
|
|
result = utils.do_encrypt(result,encrypt,salt_size,salt)
|
|
|
|
call_callback_module( 'playbook_on_vars_prompt', varname, private=private, prompt=prompt,
|
|
encrypt=encrypt, confirm=confirm, salt_size=salt_size, salt=None, default=default
|
|
)
|
|
|
|
return result
|
|
|
|
def on_setup(self):
|
|
display(banner("GATHERING FACTS"))
|
|
call_callback_module('playbook_on_setup')
|
|
|
|
def on_import_for_host(self, host, imported_file):
|
|
msg = "%s: importing %s" % (host, imported_file)
|
|
display(msg, color='cyan')
|
|
call_callback_module('playbook_on_import_for_host', host, imported_file)
|
|
|
|
def on_not_import_for_host(self, host, missing_file):
|
|
msg = "%s: not importing file: %s" % (host, missing_file)
|
|
display(msg, color='cyan')
|
|
call_callback_module('playbook_on_not_import_for_host', host, missing_file)
|
|
|
|
def on_play_start(self, pattern):
|
|
display(banner("PLAY [%s]" % pattern))
|
|
call_callback_module('playbook_on_play_start', pattern)
|
|
|
|
def on_stats(self, stats):
|
|
call_callback_module('playbook_on_stats', stats)
|
|
|
|
|