#!/usr/bin/python # -*- coding: utf-8 -*- # (c) 2019 David Lundgren <dlundgren@syberisle.net> # # 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''' --- author: - David Lundgren (@dlundgren) module: sysrc short_description: Manage FreeBSD using sysrc version_added: '2.0.0' description: - Manages C(/etc/rc.conf) for FreeBSD. options: name: description: - Name of variable in C(/etc/rc.conf) to manage. type: str required: true value: description: - The value to set when I(state=present). - The value to add when I(state=value_present). - The value to remove when I(state=value_absent). type: str state: description: - Use I(present) to add the variable. - Use I(absent) to remove the variable. - Use I(value_present) to add the value to the existing variable. - Use I(value_absent) to remove the value from the existing variable. type: str default: "present" choices: [ absent, present, value_present, value_absent ] path: description: - Path to file to use instead of C(/etc/rc.conf). type: str default: "/etc/rc.conf" delim: description: - Delimiter to be used instead of C( ). - Only used when I(state=value_present) or I(state=value_absent). default: " " type: str jail: description: - Name or ID of the jail to operate on. type: str notes: - The C(name) cannot contain periods as sysrc does not support OID style names. ''' EXAMPLES = r''' --- # enable mysql in the /etc/rc.conf - name: Configure mysql pid file community.general.sysrc: name: mysql_pidfile value: "/var/run/mysqld/mysqld.pid" # enable accf_http kld in the boot loader - name: Enable accf_http kld community.general.sysrc: name: accf_http_load state: present value: "YES" path: /boot/loader.conf # add gif0 to cloned_interfaces - name: Add gif0 interface community.general.sysrc: name: cloned_interfaces state: value_present value: "gif0" # enable nginx on a jail - name: Enable nginx in test jail community.general.sysrc: name: nginx_enable value: "YES" jail: testjail ''' RETURN = r''' changed: description: Return changed for sysrc actions. returned: always type: bool sample: true ''' from ansible.module_utils.basic import AnsibleModule import re class Sysrc(object): def __init__(self, module, name, value, path, delim, jail): self.module = module self.name = name self.changed = False self.value = value self.path = path self.delim = delim self.jail = jail self.sysrc = module.get_bin_path('sysrc', True) def has_unknown_variable(self, out, err): # newer versions of sysrc use stderr instead of stdout return err.find("unknown variable") > 0 or out.find("unknown variable") > 0 def exists(self): # sysrc doesn't really use exit codes (rc, out, err) = self.run_sysrc(self.name) if self.value is None: regex = "%s: " % re.escape(self.name) else: regex = "%s: %s$" % (re.escape(self.name), re.escape(self.value)) return not self.has_unknown_variable(out, err) and re.match(regex, out) is not None def contains(self): (rc, out, err) = self.run_sysrc('-n', self.name) if self.has_unknown_variable(out, err): return False return self.value in out.strip().split(self.delim) def present(self): if self.exists(): return if self.module.check_mode: self.changed = True return (rc, out, err) = self.run_sysrc("%s=%s" % (self.name, self.value)) if out.find("%s:" % self.name) == 0 and re.search("-> %s$" % re.escape(self.value), out) is not None: self.changed = True def absent(self): if not self.exists(): return # inversed since we still need to mark as changed if not self.module.check_mode: (rc, out, err) = self.run_sysrc('-x', self.name) if self.has_unknown_variable(out, err): return self.changed = True def value_present(self): if self.contains(): return if self.module.check_mode: self.changed = True return setstring = '%s+=%s%s' % (self.name, self.delim, self.value) (rc, out, err) = self.run_sysrc(setstring) if out.find("%s:" % self.name) == 0: values = out.split(' -> ')[1].strip().split(self.delim) if self.value in values: self.changed = True def value_absent(self): if not self.contains(): return if self.module.check_mode: self.changed = True return setstring = '%s-=%s%s' % (self.name, self.delim, self.value) (rc, out, err) = self.run_sysrc(setstring) if out.find("%s:" % self.name) == 0: values = out.split(' -> ')[1].strip().split(self.delim) if self.value not in values: self.changed = True def run_sysrc(self, *args): cmd = [self.sysrc, '-f', self.path] if self.jail: cmd += ['-j', self.jail] cmd.extend(args) (rc, out, err) = self.module.run_command(cmd) return (rc, out, err) def main(): module = AnsibleModule( argument_spec=dict( name=dict(type='str', required=True), value=dict(type='str', default=None), state=dict(type='str', default='present', choices=['absent', 'present', 'value_present', 'value_absent']), path=dict(type='str', default='/etc/rc.conf'), delim=dict(type='str', default=' '), jail=dict(type='str', default=None), ), supports_check_mode=True, ) name = module.params.pop('name') # OID style names are not supported if not re.match('^[a-zA-Z0-9_]+$', name): module.fail_json( msg="Name may only contain alpha-numeric and underscore characters" ) value = module.params.pop('value') state = module.params.pop('state') path = module.params.pop('path') delim = module.params.pop('delim') jail = module.params.pop('jail') result = dict( name=name, state=state, value=value, path=path, delim=delim, jail=jail ) rc_value = Sysrc(module, name, value, path, delim, jail) if state == 'present': rc_value.present() elif state == 'absent': rc_value.absent() elif state == 'value_present': rc_value.value_present() elif state == 'value_absent': rc_value.value_absent() result['changed'] = rc_value.changed module.exit_json(**result) if __name__ == '__main__': main()