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Creating playbook executor and dependent classes
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# (c) 2012-2014, 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/>. | ||
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# Make coding more python3-ish | ||
from __future__ import (absolute_import, division, print_function) | ||
__metaclass__ = type | ||
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import pipes | ||
import random | ||
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from ansible import constants as C | ||
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__all__ = ['ConnectionInformation'] | ||
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class ConnectionInformation: | ||
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''' | ||
This class is used to consolidate the connection information for | ||
hosts in a play and child tasks, where the task may override some | ||
connection/authentication information. | ||
''' | ||
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def __init__(self, play=None, options=None): | ||
# FIXME: implement the new methodology here for supporting | ||
# various different auth escalation methods (becomes, etc.) | ||
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self.connection = C.DEFAULT_TRANSPORT | ||
self.remote_user = 'root' | ||
self.password = '' | ||
self.port = 22 | ||
self.su = False | ||
self.su_user = '' | ||
self.su_pass = '' | ||
self.sudo = False | ||
self.sudo_user = '' | ||
self.sudo_pass = '' | ||
self.verbosity = 0 | ||
self.only_tags = set() | ||
self.skip_tags = set() | ||
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if play: | ||
self.set_play(play) | ||
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if options: | ||
self.set_options(options) | ||
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def set_play(self, play): | ||
''' | ||
Configures this connection information instance with data from | ||
the play class. | ||
''' | ||
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if play.connection: | ||
self.connection = play.connection | ||
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self.remote_user = play.remote_user | ||
self.password = '' | ||
self.port = int(play.port) if play.port else 22 | ||
self.su = play.su | ||
self.su_user = play.su_user | ||
self.su_pass = play.su_pass | ||
self.sudo = play.sudo | ||
self.sudo_user = play.sudo_user | ||
self.sudo_pass = play.sudo_pass | ||
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def set_options(self, options): | ||
''' | ||
Configures this connection information instance with data from | ||
options specified by the user on the command line. These have a | ||
higher precedence than those set on the play or host. | ||
''' | ||
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# FIXME: set other values from options here? | ||
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self.verbosity = options.verbosity | ||
if options.connection: | ||
self.connection = options.connection | ||
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# get the tag info from options, converting a comma-separated list | ||
# of values into a proper list if need be | ||
if isinstance(options.tags, list): | ||
self.only_tags.update(options.tags) | ||
elif isinstance(options.tags, basestring): | ||
self.only_tags.update(options.tags.split(',')) | ||
if isinstance(options.skip_tags, list): | ||
self.skip_tags.update(options.skip_tags) | ||
elif isinstance(options.skip_tags, basestring): | ||
self.skip_tags.update(options.skip_tags.split(',')) | ||
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def copy(self, ci): | ||
''' | ||
Copies the connection info from another connection info object, used | ||
when merging in data from task overrides. | ||
''' | ||
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self.connection = ci.connection | ||
self.remote_user = ci.remote_user | ||
self.password = ci.password | ||
self.port = ci.port | ||
self.su = ci.su | ||
self.su_user = ci.su_user | ||
self.su_pass = ci.su_pass | ||
self.sudo = ci.sudo | ||
self.sudo_user = ci.sudo_user | ||
self.sudo_pass = ci.sudo_pass | ||
self.verbosity = ci.verbosity | ||
self.only_tags = ci.only_tags.copy() | ||
self.skip_tags = ci.skip_tags.copy() | ||
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def set_task_override(self, task): | ||
''' | ||
Sets attributes from the task if they are set, which will override | ||
those from the play. | ||
''' | ||
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new_info = ConnectionInformation() | ||
new_info.copy(self) | ||
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for attr in ('connection', 'remote_user', 'su', 'su_user', 'su_pass', 'sudo', 'sudo_user', 'sudo_pass'): | ||
if hasattr(task, attr): | ||
attr_val = getattr(task, attr) | ||
if attr_val: | ||
setattr(new_info, attr, attr_val) | ||
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return new_info | ||
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def make_sudo_cmd(self, sudo_exe, executable, cmd): | ||
""" | ||
Helper function for wrapping commands with sudo. | ||
Rather than detect if sudo wants a password this time, -k makes | ||
sudo always ask for a password if one is required. Passing a quoted | ||
compound command to sudo (or sudo -s) directly doesn't work, so we | ||
shellquote it with pipes.quote() and pass the quoted string to the | ||
user's shell. We loop reading output until we see the randomly- | ||
generated sudo prompt set with the -p option. | ||
""" | ||
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randbits = ''.join(chr(random.randint(ord('a'), ord('z'))) for x in xrange(32)) | ||
prompt = '[sudo via ansible, key=%s] password: ' % randbits | ||
success_key = 'SUDO-SUCCESS-%s' % randbits | ||
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sudocmd = '%s -k && %s %s -S -p "%s" -u %s %s -c %s' % ( | ||
sudo_exe, sudo_exe, C.DEFAULT_SUDO_FLAGS, prompt, | ||
self.sudo_user, executable or '$SHELL', | ||
pipes.quote('echo %s; %s' % (success_key, cmd)) | ||
) | ||
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#return ('/bin/sh -c ' + pipes.quote(sudocmd), prompt, success_key) | ||
return (sudocmd, prompt, success_key) | ||
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# (c) 2012-2014, 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/>. | ||
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# Make coding more python3-ish | ||
from __future__ import (absolute_import, division, print_function) | ||
__metaclass__ = type | ||
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from multiprocessing.managers import SyncManager, BaseProxy | ||
from ansible.playbook.handler import Handler | ||
from ansible.playbook.task import Task | ||
from ansible.playbook.play import Play | ||
from ansible.errors import AnsibleError | ||
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__all__ = ['AnsibleManager'] | ||
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class VariableManagerWrapper: | ||
''' | ||
This class simply acts as a wrapper around the VariableManager class, | ||
since manager proxies expect a new object to be returned rather than | ||
any existing one. Using this wrapper, a shared proxy can be created | ||
and an existing VariableManager class assigned to it, which can then | ||
be accessed through the exposed proxy methods. | ||
''' | ||
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def __init__(self): | ||
self._vm = None | ||
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def get_vars(self, loader, play=None, host=None, task=None): | ||
return self._vm.get_vars(loader=loader, play=play, host=host, task=task) | ||
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def set_variable_manager(self, vm): | ||
self._vm = vm | ||
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def set_host_variable(self, host, varname, value): | ||
self._vm.set_host_variable(host, varname, value) | ||
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def set_host_facts(self, host, facts): | ||
self._vm.set_host_facts(host, facts) | ||
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class AnsibleManager(SyncManager): | ||
''' | ||
This is our custom manager class, which exists only so we may register | ||
the new proxy below | ||
''' | ||
pass | ||
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AnsibleManager.register( | ||
typeid='VariableManagerWrapper', | ||
callable=VariableManagerWrapper, | ||
) | ||
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