mirror of
https://github.com/ansible-collections/community.general.git
synced 2024-09-14 20:13:21 +02:00
231f9c0283
* multiple improvements
* added changelog fragment
* comment and name in int test files
* added notes to the documentation
* removed the extraneous changelog frag
* Update plugins/modules/web_infrastructure/apache2_module.py
* adjusted doc text for sanity check
* Update plugins/modules/web_infrastructure/apache2_module.py
Co-authored-by: Felix Fontein <felix@fontein.de>
* removed extraneous dependency in integration test
Co-authored-by: Felix Fontein <felix@fontein.de>
(cherry picked from commit d9533c44aa)
Co-authored-by: Alexei Znamensky <103110+russoz@users.noreply.github.com>
267 lines
8.1 KiB
Python
267 lines
8.1 KiB
Python
#!/usr/bin/python
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# coding: utf-8 -*-
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# (c) 2013-2014, Christian Berendt <berendt@b1-systems.de>
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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DOCUMENTATION = '''
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---
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module: apache2_module
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author:
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- Christian Berendt (@berendt)
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- Ralf Hertel (@n0trax)
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- Robin Roth (@robinro)
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short_description: Enables/disables a module of the Apache2 webserver.
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description:
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- Enables or disables a specified module of the Apache2 webserver.
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options:
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name:
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type: str
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description:
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- Name of the module to enable/disable as given to C(a2enmod/a2dismod).
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required: true
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identifier:
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type: str
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description:
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- Identifier of the module as listed by C(apache2ctl -M).
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This is optional and usually determined automatically by the common convention of
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appending C(_module) to I(name) as well as custom exception for popular modules.
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required: False
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force:
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description:
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- Force disabling of default modules and override Debian warnings.
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required: false
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type: bool
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default: False
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state:
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type: str
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description:
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- Desired state of the module.
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choices: ['present', 'absent']
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default: present
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ignore_configcheck:
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description:
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- Ignore configuration checks about inconsistent module configuration. Especially for mpm_* modules.
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type: bool
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default: False
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requirements: ["a2enmod","a2dismod"]
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notes:
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- This does not work on RedHat-based distributions. It does work on Debian- and SuSE-based distributions.
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Whether it works on others depend on whether the C(a2enmod) and C(a2dismod) tools are available or not.
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'''
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EXAMPLES = '''
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- name: Enable the Apache2 module wsgi
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community.general.apache2_module:
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state: present
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name: wsgi
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- name: Disables the Apache2 module wsgi
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community.general.apache2_module:
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state: absent
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name: wsgi
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- name: Disable default modules for Debian
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community.general.apache2_module:
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state: absent
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name: autoindex
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force: True
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- name: Disable mpm_worker and ignore warnings about missing mpm module
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community.general.apache2_module:
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state: absent
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name: mpm_worker
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ignore_configcheck: True
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- name: Enable dump_io module, which is identified as dumpio_module inside apache2
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community.general.apache2_module:
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state: present
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name: dump_io
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identifier: dumpio_module
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'''
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RETURN = '''
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result:
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description: message about action taken
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returned: always
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type: str
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warnings:
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description: list of warning messages
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returned: when needed
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type: list
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rc:
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description: return code of underlying command
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returned: failed
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type: int
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stdout:
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description: stdout of underlying command
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returned: failed
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type: str
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stderr:
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description: stderr of underlying command
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returned: failed
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type: str
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'''
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import re
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# import module snippets
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from ansible.module_utils.basic import AnsibleModule
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_re_threaded = re.compile(r'threaded: *yes')
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def _run_threaded(module):
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control_binary = _get_ctl_binary(module)
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result, stdout, stderr = module.run_command([control_binary, "-V"])
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return bool(_re_threaded.search(stdout))
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def _get_ctl_binary(module):
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for command in ['apache2ctl', 'apachectl']:
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ctl_binary = module.get_bin_path(command)
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if ctl_binary is not None:
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return ctl_binary
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module.fail_json(msg="Neither of apache2ctl nor apachctl found. At least one apache control binary is necessary.")
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def _module_is_enabled(module):
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control_binary = _get_ctl_binary(module)
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result, stdout, stderr = module.run_command([control_binary, "-M"])
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if result != 0:
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error_msg = "Error executing %s: %s" % (control_binary, stderr)
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if module.params['ignore_configcheck']:
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if 'AH00534' in stderr and 'mpm_' in module.params['name']:
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module.warnings.append(
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"No MPM module loaded! apache2 reload AND other module actions"
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" will fail if no MPM module is loaded immediately."
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)
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else:
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module.warnings.append(error_msg)
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return False
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else:
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module.fail_json(msg=error_msg)
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searchstring = ' ' + module.params['identifier']
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return searchstring in stdout
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def create_apache_identifier(name):
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"""
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By convention if a module is loaded via name, it appears in apache2ctl -M as
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name_module.
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Some modules don't follow this convention and we use replacements for those."""
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# a2enmod name replacement to apache2ctl -M names
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text_workarounds = [
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('shib', 'mod_shib'),
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('shib2', 'mod_shib'),
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('evasive', 'evasive20_module'),
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]
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# re expressions to extract subparts of names
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re_workarounds = [
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('php', re.compile(r'^(php\d)\.')),
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]
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for a2enmod_spelling, module_name in text_workarounds:
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if a2enmod_spelling in name:
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return module_name
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for search, reexpr in re_workarounds:
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if search in name:
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try:
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rematch = reexpr.search(name)
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return rematch.group(1) + '_module'
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except AttributeError:
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pass
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return name + '_module'
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def _set_state(module, state):
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name = module.params['name']
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force = module.params['force']
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want_enabled = state == 'present'
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state_string = {'present': 'enabled', 'absent': 'disabled'}[state]
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a2mod_binary = {'present': 'a2enmod', 'absent': 'a2dismod'}[state]
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success_msg = "Module %s %s" % (name, state_string)
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if _module_is_enabled(module) != want_enabled:
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if module.check_mode:
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module.exit_json(changed=True,
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result=success_msg,
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warnings=module.warnings)
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a2mod_binary = [module.get_bin_path(a2mod_binary)]
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if a2mod_binary is None:
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module.fail_json(msg="%s not found. Perhaps this system does not use %s to manage apache" % (a2mod_binary, a2mod_binary))
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if not want_enabled and force:
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# force exists only for a2dismod on debian
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a2mod_binary.append('-f')
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result, stdout, stderr = module.run_command(a2mod_binary + [name])
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if _module_is_enabled(module) == want_enabled:
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module.exit_json(changed=True,
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result=success_msg,
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warnings=module.warnings)
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else:
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msg = (
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'Failed to set module {name} to {state}:\n'
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'{stdout}\n'
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'Maybe the module identifier ({identifier}) was guessed incorrectly.'
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'Consider setting the "identifier" option.'
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).format(
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name=name,
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state=state_string,
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stdout=stdout,
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identifier=module.params['identifier']
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)
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module.fail_json(msg=msg,
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rc=result,
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stdout=stdout,
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stderr=stderr)
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else:
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module.exit_json(changed=False,
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result=success_msg,
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warnings=module.warnings)
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def main():
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module = AnsibleModule(
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argument_spec=dict(
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name=dict(required=True),
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identifier=dict(type='str'),
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force=dict(type='bool', default=False),
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state=dict(default='present', choices=['absent', 'present']),
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ignore_configcheck=dict(type='bool', default=False),
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),
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supports_check_mode=True,
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)
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module.warnings = []
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name = module.params['name']
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if name == 'cgi' and _run_threaded(module):
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module.fail_json(msg="Your MPM seems to be threaded. No automatic actions on module cgi possible.")
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if not module.params['identifier']:
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module.params['identifier'] = create_apache_identifier(module.params['name'])
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if module.params['state'] in ['present', 'absent']:
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_set_state(module, module.params['state'])
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if __name__ == '__main__':
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main()
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