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# -*- coding: utf-8 -*- # Copyright: (c) 2014, Brian Coca <briancoca+ansible@gmail.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 = r''' --- module: debconf short_description: Configure a .deb package description: - Configure a .deb package using debconf-set-selections. - Or just query existing selections. version_added: "1.6" extends_documentation_fragment: - action_common_attributes attributes: check_mode: support: full diff_mode: support: full platform: support: full platforms: debian 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. - Some distros will always record tasks involving the setting of passwords as changed. This is due to debconf-get-selections masking passwords. - It is highly recommended to add I(no_log=True) to task while handling sensitive information using this module. - The debconf module does not reconfigure packages, it just updates the debconf database. An additional step is needed (typically with I(notify) if debconf makes a change) to reconfigure the package and apply the changes. debconf is extensively used for pre-seeding configuration prior to installation rather than modifying configurations. So, while dpkg-reconfigure does use debconf data, it is not always authoritative and you may need to check how your package is handled. - Also note dpkg-reconfigure is a 3-phase process. It invokes the control scripts from the C(/var/lib/dpkg/info) directory with the C(<package>.prerm reconfigure <version>), C(<package>.config reconfigure <version>) and C(<package>.postinst control <version>) arguments. - The main issue is that the C(<package>.config reconfigure) step for many packages will first reset the debconf database (overriding changes made by this module) by checking the on-disk configuration. If this is the case for your package then dpkg-reconfigure will effectively ignore changes made by debconf. - However as dpkg-reconfigure only executes the C(<package>.config) step if the file exists, it is possible to rename it to C(/var/lib/dpkg/info/<package>.config.ignore) before executing C(dpkg-reconfigure -f noninteractive <package>) and then restore it. This seems to be compliant with Debian policy for the .config file. requirements: - debconf - debconf-utils options: name: description: - Name of package to configure. type: str required: true aliases: [ pkg ] question: description: - A debconf configuration setting. type: str aliases: [ selection, setting ] vtype: description: - The type of the value supplied. - It is highly recommended to add I(no_log=True) to task while specifying I(vtype=password). - C(seen) was added in Ansible 2.2. type: str choices: [ boolean, error, multiselect, note, password, seen, select, string, text, title ] value: description: - Value to set the configuration to. type: str aliases: [ answer ] unseen: description: - Do not set 'seen' flag when pre-seeding. type: bool default: false author: - Brian Coca (@bcoca) ''' EXAMPLES = r''' - name: Set default locale to fr_FR.UTF-8 ansible.builtin.debconf: name: locales question: locales/default_environment_locale value: fr_FR.UTF-8 vtype: select - name: Set to generate locales ansible.builtin.debconf: name: locales question: locales/locales_to_be_generated value: en_US.UTF-8 UTF-8, fr_FR.UTF-8 UTF-8 vtype: multiselect - name: Accept oracle license ansible.builtin.debconf: name: oracle-java7-installer question: shared/accepted-oracle-license-v1-1 value: 'true' vtype: select - name: Specifying package you can register/return the list of questions and current values ansible.builtin.debconf: name: tzdata - name: Pre-configure tripwire site passphrase ansible.builtin.debconf: name: tripwire question: tripwire/site-passphrase value: "{{ site_passphrase }}" vtype: password no_log: True ''' RETURN = r'''#''' from ansible.module_utils._text import to_text from ansible.module_utils.basic import AnsibleModule def get_selections(module, pkg): cmd = [module.get_bin_path('debconf-show', True), pkg] rc, out, err = module.run_command(' '.join(cmd)) if rc != 0: module.fail_json(msg=err) selections = {} for line in out.splitlines(): (key, value) = line.split(':', 1) selections[key.strip('*').strip()] = value.strip() return selections def set_selection(module, pkg, question, vtype, value, unseen): setsel = module.get_bin_path('debconf-set-selections', True) cmd = [setsel] if unseen: cmd.append('-u') if vtype == 'boolean': if value == 'True': value = 'true' elif value == 'False': value = 'false' data = ' '.join([pkg, question, vtype, value]) return module.run_command(cmd, data=data) def main(): module = AnsibleModule( argument_spec=dict( name=dict(type='str', required=True, aliases=['pkg']), question=dict(type='str', aliases=['selection', 'setting']), vtype=dict(type='str', choices=['boolean', 'error', 'multiselect', 'note', 'password', 'seen', 'select', 'string', 'text', 'title']), value=dict(type='str', aliases=['answer']), unseen=dict(type='bool', default=False), ), required_together=(['question', 'vtype', 'value'],), supports_check_mode=True, ) # TODO: enable passing array of options and/or debconf file from get-selections dump pkg = module.params["name"] question = module.params["question"] vtype = module.params["vtype"] value = module.params["value"] unseen = module.params["unseen"] prev = get_selections(module, pkg) changed = False msg = "" if question is not None: if vtype is None or value is None: module.fail_json(msg="when supplying a question you must supply a valid vtype and value") # if question doesn't exist, value cannot match if question not in prev: changed = True else: existing = prev[question] # ensure we compare booleans supplied to the way debconf sees them (true/false strings) if vtype == 'boolean': value = to_text(value).lower() existing = to_text(prev[question]).lower() if value != existing: changed = True if changed: if not module.check_mode: 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] = '' if module._diff: after = prev.copy() after.update(curr) diff_dict = {'before': prev, 'after': after} else: diff_dict = {} module.exit_json(changed=changed, msg=msg, current=curr, previous=prev, diff=diff_dict) module.exit_json(changed=changed, msg=msg, current=prev) if __name__ == '__main__': main()