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community.general/plugins/modules/system/gconftool2.py

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2020-03-09 10:11:07 +01:00
#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright: (c) 2016, Kenneth D. Evensen <kevensen@redhat.com>
# Copyright: (c) 2017, Abhijeet Kasurde <akasurde@redhat.com>
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import absolute_import, division, print_function
__metaclass__ = type
DOCUMENTATION = '''
module: gconftool2
author:
- Kenneth D. Evensen (@kevensen)
short_description: Edit GNOME Configurations
description:
- This module allows for the manipulation of GNOME 2 Configuration via
gconftool-2. Please see the gconftool-2(1) man pages for more details.
options:
key:
description:
- A GConf preference key is an element in the GConf repository
that corresponds to an application preference. See man gconftool-2(1)
required: yes
value:
description:
- Preference keys typically have simple values such as strings,
integers, or lists of strings and integers. This is ignored if the state
is "get". See man gconftool-2(1)
value_type:
description:
- The type of value being set. This is ignored if the state is "get".
choices: [ bool, float, int, string ]
state:
description:
- The action to take upon the key/value.
required: yes
choices: [ absent, get, present ]
config_source:
description:
- Specify a configuration source to use rather than the default path.
See man gconftool-2(1)
direct:
description:
- Access the config database directly, bypassing server. If direct is
specified then the config_source must be specified as well.
See man gconftool-2(1)
type: bool
default: 'no'
'''
EXAMPLES = """
- name: Change the widget font to "Serif 12"
gconftool2:
key: "/desktop/gnome/interface/font_name"
value_type: "string"
value: "Serif 12"
"""
RETURN = '''
key:
description: The key specified in the module parameters
returned: success
type: str
sample: /desktop/gnome/interface/font_name
value_type:
description: The type of the value that was changed
returned: success
type: str
sample: string
value:
description: The value of the preference key after executing the module
returned: success
type: str
sample: "Serif 12"
...
'''
from ansible.module_utils.basic import AnsibleModule
class GConf2Preference(object):
def __init__(self, ansible, key, value_type, value,
direct=False, config_source=""):
self.ansible = ansible
self.key = key
self.value_type = value_type
self.value = value
self.config_source = config_source
self.direct = direct
def value_already_set(self):
return False
def call(self, call_type, fail_onerr=True):
""" Helper function to perform gconftool-2 operations """
config_source = ''
direct = ''
changed = False
out = ''
# If the configuration source is different from the default, create
# the argument
if self.config_source is not None and len(self.config_source) > 0:
config_source = "--config-source " + self.config_source
# If direct is true, create the argument
if self.direct:
direct = "--direct"
# Execute the call
cmd = "gconftool-2 "
try:
# If the call is "get", then we don't need as many parameters and
# we can ignore some
if call_type == 'get':
cmd += "--get {0}".format(self.key)
# Otherwise, we will use all relevant parameters
elif call_type == 'set':
cmd += "{0} {1} --type {2} --{3} {4} \"{5}\"".format(direct,
config_source,
self.value_type,
call_type,
self.key,
self.value)
elif call_type == 'unset':
cmd += "--unset {0}".format(self.key)
# Start external command
rc, out, err = self.ansible.run_command(cmd, use_unsafe_shell=True)
if len(err) > 0:
if fail_onerr:
self.ansible.fail_json(msg='gconftool-2 failed with '
'error: %s' % (str(err)))
else:
changed = True
except OSError as exception:
self.ansible.fail_json(msg='gconftool-2 failed with exception: '
'%s' % exception)
return changed, out.rstrip()
def main():
# Setup the Ansible module
module = AnsibleModule(
argument_spec=dict(
key=dict(type='str', required=True),
value_type=dict(type='str', choices=['bool', 'float', 'int', 'string']),
value=dict(type='str'),
state=dict(type='str', required=True, choices=['absent', 'get', 'present']),
direct=dict(type='bool', default=False),
config_source=dict(type='str'),
),
supports_check_mode=True
)
state_values = {"present": "set", "absent": "unset", "get": "get"}
# Assign module values to dictionary values
key = module.params['key']
value_type = module.params['value_type']
if module.params['value'].lower() == "true":
value = "true"
elif module.params['value'] == "false":
value = "false"
else:
value = module.params['value']
state = state_values[module.params['state']]
direct = module.params['direct']
config_source = module.params['config_source']
# Initialize some variables for later
change = False
new_value = ''
if state != "get":
if value is None or value == "":
module.fail_json(msg='State %s requires "value" to be set'
% str(state))
elif value_type is None or value_type == "":
module.fail_json(msg='State %s requires "value_type" to be set'
% str(state))
if direct and config_source is None:
module.fail_json(msg='If "direct" is "yes" then the ' +
'"config_source" must be specified')
elif not direct and config_source is not None:
module.fail_json(msg='If the "config_source" is specified ' +
'then "direct" must be "yes"')
# Create a gconf2 preference
gconf_pref = GConf2Preference(module, key, value_type,
value, direct, config_source)
# Now we get the current value, if not found don't fail
_, current_value = gconf_pref.call("get", fail_onerr=False)
# Check if the current value equals the value we want to set. If not, make
# a change
if current_value != value:
# If check mode, we know a change would have occurred.
if module.check_mode:
# So we will set the change to True
change = True
# And set the new_value to the value that would have been set
new_value = value
# If not check mode make the change.
else:
change, new_value = gconf_pref.call(state)
# If the value we want to set is the same as the current_value, we will
# set the new_value to the current_value for reporting
else:
new_value = current_value
facts = dict(gconftool2={'changed': change,
'key': key,
'value_type': value_type,
'new_value': new_value,
'previous_value': current_value,
'playbook_value': module.params['value']})
module.exit_json(changed=change, ansible_facts=facts)
if __name__ == '__main__':
main()