1eac4c5608
- httpd removed from control_binaries - check for enabled module after running a2enmod/a2dismod - fail, if user has no permissions to run control_binary - reduce code duplication
141 lines
4.5 KiB
Python
141 lines
4.5 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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#
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# This module 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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# This software 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 this software. If not, see <http://www.gnu.org/licenses/>.
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DOCUMENTATION = '''
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---
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module: apache2_module
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version_added: 1.6
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author: "Christian Berendt (@berendt)"
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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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description:
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- name of the module to enable/disable
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required: true
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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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choices: ['yes', 'no']
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default: no
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version_added: "2.1"
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state:
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description:
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- indicate the desired state of the resource
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choices: ['present', 'absent']
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default: present
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requirements: ["a2enmod","a2dismod"]
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'''
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EXAMPLES = '''
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# enables the Apache2 module "wsgi"
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- apache2_module: state=present name=wsgi
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# disables the Apache2 module "wsgi"
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- apache2_module: state=absent name=wsgi
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'''
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import re
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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("%s -V" % control_binary)
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if re.search(r'threaded:[ ]*yes', stdout):
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return True
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else:
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return False
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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(
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msg="None of httpd, apachectl or apach2ctl 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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name = module.params['name']
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result, stdout, stderr = module.run_command("%s -M" % control_binary)
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if result != 0:
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module.fail_json(msg="Error executing %s: %s" % (control_binary, stderr))
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if re.search(r' ' + name + r'_module', stdout):
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return True
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else:
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return False
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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, result = success_msg)
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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 += ' -f'
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result, stdout, stderr = module.run_command("%s %s" % (a2mod_binary, name))
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if _module_is_enabled(module) == want_enabled:
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module.exit_json(changed = True, result = success_msg)
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else:
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module.fail_json(msg="Failed to set module %s to %s: %s" % (name, state_string, stdout), rc=result, stdout=stdout, stderr=stderr)
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else:
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module.exit_json(changed = False, result = success_msg)
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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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force = dict(required=False, type='bool', default=False),
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state = dict(default='present', choices=['absent', 'present'])
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),
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supports_check_mode = True,
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)
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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 %s possible." % 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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# import module snippets
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from ansible.module_utils.basic import *
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if __name__ == '__main__':
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main()
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