494 lines
18 KiB
Python
494 lines
18 KiB
Python
# (C) 2012, 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 os.path
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from ansible.color import stringc
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import ansible.constants as C
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dirname = os.path.dirname(__file__)
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callbacks = utils.import_plugins(os.path.join(dirname, 'callback_plugins'))
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callbacks = [ c.CallbackModule() for c in callbacks.values() ]
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def load_more_callbacks(dirname):
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callbacks.extend([c.CallbackModule() for c in utils.import_plugins(dirname).values()])
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for i in C.DEFAULT_CALLBACK_PLUGIN_PATH.split(os.pathsep):
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load_more_callbacks(i)
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cowsay = None
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if os.getenv("ANSIBLE_NOCOWS") is not None:
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cowsay = None
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elif 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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def call_callback_module(method_name, *args, **kwargs):
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for callback_plugin in callbacks:
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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 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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print stringc(msg, 'blue')
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else:
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print stringc("<%s> %s" % (host, msg), '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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('rc' in value and value['rc'] != 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(msg):
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if cowsay != None:
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cmd = subprocess.Popen([cowsay, "-W", "60", msg],
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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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else:
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return "\n%s ********************* " % 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\n" % (hostname, caption, rc, stdout, stderr)
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else:
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return "%s | %s | rc=%s | (stdout) %s\n" % (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 = ''
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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')
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else:
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msg = command_generic_msg(hostname, result, oneline, 'FAILED')
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else:
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if not failed:
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msg = regular_generic_msg(hostname, result, oneline, 'success')
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else:
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msg = regular_generic_msg(hostname, result, oneline, 'FAILED')
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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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########################################################################
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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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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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print "%s | FAILED => %s" % (host, res)
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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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print "%s | skipped" % (host)
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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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print >>sys.stderr, "err: [%s] => %s\n" % (host, err)
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super(CliRunnerCallbacks, self).on_error(host, err)
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def on_no_hosts(self):
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print >>sys.stderr, "no hosts matched\n"
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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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print "<job %s> polling, %ss remaining"%(jid, clock)
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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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print "<job %s> finished on %s => %s"%(jid, host, utils.jsonify(res,format=True))
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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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print "<job %s> FAILED on %s => %s"%(jid, host, utils.jsonify(res,format=True))
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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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print host_report_msg(host, self.options.module_name, result2, self.options.one_line)
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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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########################################################################
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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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print stringc(msg, 'red')
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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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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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print stringc(msg, 'red')
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if stderr:
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print stringc("stderr: %s" % stderr, 'red')
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if stdout:
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print stringc("stdout: %s" % stdout, 'red')
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if not parsed and module_msg:
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print stringc("invalid output was: %s" % module_msg, 'red')
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if ignore_errors:
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print stringc("...ignoring", 'cyan')
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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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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
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msg = ''
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if not self.verbose or host_result2.get("verbose_override",None) is not None:
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if item:
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msg = "%s: [%s] => (item=%s)" % (ok_or_changed, host, item)
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else:
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if 'ansible_job_id' not in host_result or 'finished' in host_result:
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msg = "%s: [%s]" % (ok_or_changed, host)
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else:
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# verbose ...
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if item:
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msg = "%s: [%s] => (item=%s) => %s" % (ok_or_changed, host, item, utils.jsonify(host_result2))
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else:
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if 'ansible_job_id' not in host_result or 'finished' in host_result2:
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msg = "%s: [%s] => %s" % (ok_or_changed, host, utils.jsonify(host_result2))
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if msg != '':
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if not changed:
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print stringc(msg, 'green')
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else:
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print stringc(msg, 'yellow')
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super(PlaybookRunnerCallbacks, self).on_ok(host, host_result)
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def on_error(self, host, err):
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item = err.get('item', None)
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msg = ''
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if item:
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msg = "err: [%s] => (item=%s) => %s" % (host, item, err)
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else:
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msg = "err: [%s] => %s" % (host, err)
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msg = stringc(msg, 'red')
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print >>sys.stderr, msg
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super(PlaybookRunnerCallbacks, self).on_error(host, err)
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def on_skipped(self, host, item=None):
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msg = ''
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if item:
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msg = "skipping: [%s] => (item=%s)" % (host, item)
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else:
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msg = "skipping: [%s]" % host
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print stringc(msg, 'cyan')
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super(PlaybookRunnerCallbacks, self).on_skipped(host, item)
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def on_no_hosts(self):
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print stringc("FATAL: no hosts matched or all hosts have already failed -- aborting\n", 'red')
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super(PlaybookRunnerCallbacks, 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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msg = "<job %s> polling, %ss remaining"%(jid, clock)
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print stringc(msg, 'cyan')
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super(PlaybookRunnerCallbacks, self).on_async_poll(host,res,jid,clock)
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def on_async_ok(self, host, res, jid):
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msg = "<job %s> finished on %s"%(jid, host)
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print stringc(msg, 'cyan')
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super(PlaybookRunnerCallbacks, self).on_async_ok(host, res, jid)
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def on_async_failed(self, host, res, jid):
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msg = "<job %s> FAILED on %s"%(jid, host)
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print stringc(msg, 'red')
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super(PlaybookRunnerCallbacks, self).on_async_failed(host,res,jid)
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########################################################################
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class PlaybookCallbacks(object):
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''' playbook.py callbacks used by /usr/bin/ansible-playbook '''
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def __init__(self, verbose=False):
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self.verbose = verbose
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def on_start(self):
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call_callback_module('playbook_on_start')
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def on_notify(self, host, handler):
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call_callback_module('playbook_on_notify', host, handler)
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def on_no_hosts_matched(self):
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print stringc("no hosts matched", 'red')
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call_callback_module('playbook_on_no_hosts_matched')
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def on_no_hosts_remaining(self):
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print stringc("\nFATAL: all hosts have already failed -- aborting", 'red')
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call_callback_module('playbook_on_no_hosts_remaining')
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def on_task_start(self, name, is_conditional):
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msg = "TASK: [%s]" % name
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if is_conditional:
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msg = "NOTIFIED: [%s]" % name
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print banner(msg)
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call_callback_module('playbook_on_task_start', name, is_conditional)
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def on_vars_prompt(self, varname, private=True, prompt=None, encrypt=None, confirm=False, salt_size=None, salt=None):
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if prompt:
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msg = "%s: " % prompt
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else:
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msg = 'input for %s: ' % varname
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def prompt(prompt, private):
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if private:
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return getpass.getpass(prompt)
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return raw_input(prompt)
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if confirm:
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while True:
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result = prompt(msg, private)
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second = prompt("confirm " + msg, private)
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if result == second:
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break
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print "***** VALUES ENTERED DO NOT MATCH ****"
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else:
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result = prompt(msg, private)
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if encrypt:
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result = utils.do_encrypt(result,encrypt,salt_size,salt)
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call_callback_module('playbook_on_vars_prompt', varname, private=private, prompt=prompt, encrypt=encrypt, confirm=confirm, salt_size=salt_size, salt=None)
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return result
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def on_setup(self):
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print banner("GATHERING FACTS")
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call_callback_module('playbook_on_setup')
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def on_import_for_host(self, host, imported_file):
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msg = "%s: importing %s" % (host, imported_file)
|
|
print stringc(msg, '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)
|
|
print stringc(msg, 'cyan')
|
|
call_callback_module('playbook_on_not_import_for_host', host, missing_file)
|
|
|
|
def on_play_start(self, pattern):
|
|
print banner("PLAY [%s]" % pattern)
|
|
call_callback_module('playbook_on_play_start', pattern)
|
|
|
|
def on_stats(self, stats):
|
|
call_callback_module('playbook_on_stats', stats)
|
|
|
|
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