ansible/library/system/debconf

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#!/usr/bin/python
# -*- coding: utf-8 -*-
"""
Ansible module to configure .deb packages.
(c) 2014, Brian Coca <briancoca+ansible@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/>.
"""
DOCUMENTATION = '''
---
module: debconf
short_description: Configure a .deb package
description:
- Configure a .deb package using debconf-set-selections. Or just query
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existing selections.
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version_added: "1.6"
notes:
- This module requires the command line debconf tools.
- A number of questions have to be answered (depending on the package).
Use 'debconf-show <package>' on any Debian or derivative with the package
installed to see questions/settings available.
options:
name:
description:
- Name of package to configure.
required: true
default: null
aliases: ['pkg']
question:
description:
- A debconf configuration setting
required: false
default: null
aliases: ['setting', 'selection']
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vtype:
description:
- The type of the value supplied
required: false
default: null
choices: [string, boolean, select, multiselect, note, text, password, title]
aliases: []
value:
description:
- Value to set the configuration to
required: false
default: null
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aliases: ['answer']
unseen:
description:
- Do not set 'seen' flag when pre-seeding
required: false
default: False
aliases: []
author: Brian Coca
'''
EXAMPLES = '''
# Set default locale to fr_FR.UTF-8
debconf: name=locales question='locales/default_environment_locale' value=fr_FR.UTF-8
# set to generate locales:
debconf: name=locales question='locales/locales_to_be_generated value='en_US.UTF-8 UTF-8, fr_FR.UTF-8 UTF-8'
# Accept oracle license
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debconf: name='oracle-java7-installer' question='shared/accepted-oracle-license-v1-1' value='true' vtype='select'
# Specifying package you can register/return the list of questions and current values
debconf: name='tzdata'
'''
def get_selections(module, pkg):
cmd = [module.get_bin_path('debconf-show', True), pkg]
rc, out, err = module.run_command(' '.join(cmd))
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if rc != 0:
module.fail_json(msg=err)
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selections = {}
for line in out.splitlines():
(key, value) = line.split(':')
selections[ key.strip('*').strip() ] = value.strip()
return selections
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def set_selection(module, pkg, question, vtype, value, unseen):
data = ' '.join([ question, vtype, value ])
setsel = module.get_bin_path('debconf-set-selections', True)
cmd = ["echo '%s %s' |" % (pkg, data), setsel]
if unseen:
cmd.append('-u')
return module.run_command(' '.join(cmd))
def main():
module = AnsibleModule(
argument_spec = dict(
name = dict(required=True, aliases=['pkg'], type='str'),
question = dict(required=False, aliases=['setting', 'selection'], type='str'),
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vtype = dict(required=False, type='str', choices=['string', 'boolean', 'select', 'multiselect', 'note', 'text', 'password', 'title']),
value= dict(required=False, type='str'),
unseen = dict(required=False, type='bool'),
),
required_together = ( ['question','vtype', 'value'],),
supports_check_mode=True,
)
#TODO: enable passing array of optionas and/or debconf file from get-selections dump
pkg = module.params["name"]
question = module.params["question"]
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vtype = module.params["vtype"]
value = module.params["value"]
unseen = module.params["unseen"]
prev = get_selections(module, pkg)
diff = ''
changed = False
msg = ""
if question is not None:
if vtype is None or value is None:
module.fail_json(msg="when supliying a question you must supply a valide vtype and value")
if not question in prev or prev[question] != value:
changed = True
if changed:
if not module.check_mode:
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rc, msg, e = set_selection(module, pkg, question, vtype, value, unseen)
if rc:
module.fail_json(msg=e)
curr = { question: value }
if question in prev:
prev = {question: prev[question]}
else:
prev[question] = ''
module.exit_json(changed=changed, msg=msg, current=curr, previous=prev)
module.exit_json(changed=changed, msg=msg, current=prev)
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# import module snippets
from ansible.module_utils.basic import *
main()