209 lines
6.8 KiB
Python
209 lines
6.8 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# (c) 2012, Jan-Piet Mens <jpmens () gmail.com>
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#
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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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#
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DOCUMENTATION = '''
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---
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module: ini_file
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short_description: Tweak settings in INI files
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description:
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- Manage (add, remove, change) individual settings in an INI-style file without having
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to manage the file as a whole with, say, M(template) or M(assemble). Adds missing
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sections if they don't exist.
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version_added: "0.9"
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options:
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dest:
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description:
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- Path to the INI-style file; this file is created if required
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required: true
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default: null
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section:
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description:
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- Section name in INI file. This is added if C(state=present) automatically when
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a single value is being set.
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required: true
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default: null
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option:
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description:
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- if set (required for changing a I(value)), this is the name of the option.
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- May be omitted if adding/removing a whole I(section).
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required: false
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default: null
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value:
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description:
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- the string value to be associated with an I(option). May be omitted when removing an I(option).
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required: false
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default: null
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backup:
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description:
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- Create a backup file including the timestamp information so you can get
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the original file back if you somehow clobbered it incorrectly.
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required: false
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default: "no"
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choices: [ "yes", "no" ]
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others:
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description:
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- all arguments accepted by the M(file) module also work here
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required: false
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examples:
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- code: "ini_file: dest=/etc/conf section=drinks option=fav value=lemonade mode=0600 backup=yes"
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description: Ensure C(fav=lemonade) is in section C([drinks]) in said file
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- code: |
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ini_file: dest=/etc/anotherconf
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section=drinks
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option=temperature
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value=cold
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backup=yes
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notes:
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- While it is possible to add an I(option) without specifying a I(value), this makes
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no sense.
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- A section named C(default) cannot be added by the module, but if it exists, individual
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options within the section can be updated. (This is a limitation of Python's I(ConfigParser).)
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Either use M(template) to create a base INI file with a C([default]) section, or use
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M(lineinfile) to add the missing line.
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requirements: [ ConfigParser ]
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author: Jan-Piet Mens
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'''
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import ConfigParser
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# ==============================================================
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# do_ini
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def do_ini(module, filename, section=None, option=None, value=None, state='present', backup=False):
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changed = False
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cp = ConfigParser.ConfigParser()
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try:
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f = open(filename)
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cp.readfp(f)
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except IOError:
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pass
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if state == 'absent':
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if option is None and value is None:
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if cp.has_section(section):
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cp.remove_section(section)
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changed = True
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else:
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if option is not None:
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if type(option) == str:
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try:
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if cp.get(section, option):
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cp.remove_option(section, option)
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changed = True
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except:
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pass
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else:
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for o in option:
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try:
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if cp.get(section, o):
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cp.remove_option(section, o)
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changed = True
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except:
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pass
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if state == 'present':
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if cp.has_section(section) == False:
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if section.upper() == 'DEFAULT':
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module.fail_json(msg="[DEFAULT] is an illegal section name")
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cp.add_section(section)
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changed = True
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if option is not None and value is not None:
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olist = []
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vlist = []
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if type(option) == str and type(value) == str:
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olist.append(option)
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vlist.append(value)
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else:
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olist = list(option)
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vlist = list(value)
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if len(olist) != len(vlist):
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module.fail_json(msg="Option and value lists must be of same lengths")
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n = 0
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for option in olist:
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value = vlist[n]
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n = n + 1
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try:
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oldvalue = cp.get(section, option)
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if str(value) != str(oldvalue):
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cp.set(section, option, value)
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changed = True
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except ConfigParser.NoSectionError:
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cp.set(section, option, value)
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changed = True
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except ConfigParser.NoOptionError:
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cp.set(section, option, value)
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changed = True
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if changed:
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if backup:
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module.backup_local(filename)
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try:
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f = open(filename, 'w')
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cp.write(f)
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except:
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module.fail_json(msg="Can't creat %s" % filename)
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return changed
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# ==============================================================
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# main
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def main():
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module = AnsibleModule(
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argument_spec = dict(
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dest = dict(required=True),
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section = dict(required=True),
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option = dict(required=False, type='list'),
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value = dict(required=False, type='list'),
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backup = dict(default='no', type='bool'),
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state = dict(default='present', choices=['present', 'absent'])
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),
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add_file_common_args = True
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)
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info = dict()
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dest = os.path.expanduser(module.params['dest'])
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section = module.params['section']
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option = module.params['option']
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value = module.params['value']
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state = module.params['state']
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backup = module.params['backup']
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changed = do_ini(module, dest, section, option, value, state, backup)
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file_args = module.load_file_common_arguments(module.params)
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changed = module.set_file_attributes_if_different(file_args, changed)
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# Mission complete
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module.exit_json(dest=dest, changed=changed, msg="OK")
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# this is magic, see lib/ansible/module_common.py
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#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
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main()
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