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#!/usr/bin/python
#coding: utf-8 -*-
# (c) 2013-2014, Christian Berendt <berendt@b1-systems.de>
#
# This module 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.
#
# This software 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 this software. If not, see <http://www.gnu.org/licenses/>.
ANSIBLE_METADATA = {'status': ['preview'],
'supported_by': 'community',
'version': '1.0'}
DOCUMENTATION = '''
---
module: apache2_module
version_added: 1.6
author: "Christian Berendt (@berendt)"
short_description: enables/disables a module of the Apache2 webserver
description:
- Enables or disables a specified module of the Apache2 webserver.
options:
name:
description:
- name of the module to enable/disable
required: true
force:
description:
- force disabling of default modules and override Debian warnings
required: false
choices: ['yes', 'no']
default: no
version_added: "2.1"
state:
description:
- indicate the desired state of the resource
choices: ['present', 'absent']
default: present
requirements: ["a2enmod","a2dismod"]
'''
EXAMPLES = '''
# enables the Apache2 module "wsgi"
- apache2_module:
state: present
name: wsgi
# disables the Apache2 module "wsgi"
- apache2_module:
state: absent
name: wsgi
'''
import re
def _run_threaded(module):
control_binary = _get_ctl_binary(module)
result, stdout, stderr = module.run_command("%s -V" % control_binary)
if re.search(r'threaded:[ ]*yes', stdout):
return True
else:
return False
def _get_ctl_binary(module):
for command in ['apache2ctl', 'apachectl']:
ctl_binary = module.get_bin_path(command)
if ctl_binary is not None:
return ctl_binary
module.fail_json(
msg="None of httpd, apachectl or apach2ctl found. At least one apache control binary is necessary.")
def _module_is_enabled(module):
control_binary = _get_ctl_binary(module)
name = module.params['name']
result, stdout, stderr = module.run_command("%s -M" % control_binary)
"""
Work around for Ubuntu Xenial listing php7_module as php7.0
"""
if name == "php7.0":
name = "php7"
if result != 0:
module.fail_json(msg="Error executing %s: %s" % (control_binary, stderr))
if re.search(r' ' + name + r'_module', stdout):
return True
else:
return False
def _set_state(module, state):
name = module.params['name']
force = module.params['force']
want_enabled = state == 'present'
state_string = {'present': 'enabled', 'absent': 'disabled'}[state]
a2mod_binary = {'present': 'a2enmod', 'absent': 'a2dismod'}[state]
success_msg = "Module %s %s" % (name, state_string)
if _module_is_enabled(module) != want_enabled:
if module.check_mode:
module.exit_json(changed = True, result = success_msg)
a2mod_binary = module.get_bin_path(a2mod_binary)
if a2mod_binary is None:
module.fail_json(msg="%s not found. Perhaps this system does not use %s to manage apache" % (a2mod_binary, a2mod_binary))
if not want_enabled and force:
# force exists only for a2dismod on debian
a2mod_binary += ' -f'
result, stdout, stderr = module.run_command("%s %s" % (a2mod_binary, name))
if _module_is_enabled(module) == want_enabled:
module.exit_json(changed = True, result = success_msg)
else:
module.fail_json(msg="Failed to set module %s to %s: %s" % (name, state_string, stdout), rc=result, stdout=stdout, stderr=stderr)
else:
module.exit_json(changed = False, result = success_msg)
def main():
module = AnsibleModule(
argument_spec = dict(
name = dict(required=True),
force = dict(required=False, type='bool', default=False),
state = dict(default='present', choices=['absent', 'present'])
),
supports_check_mode = True,
)
name = module.params['name']
if name == 'cgi' and _run_threaded(module):
module.fail_json(msg="Your MPM seems to be threaded. No automatic actions on module %s possible." % name)
if module.params['state'] in ['present', 'absent']:
_set_state(module, module.params['state'])
# import module snippets
from ansible.module_utils.basic import *
if __name__ == '__main__':
main()
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