/lib/ansible/runner/action_plugins/group_by.py
https://github.com/ajanthanm/ansible · Python · 106 lines · 63 code · 18 blank · 25 comment · 15 complexity · 7fe0a2eacb86fa9b6e0508f438148bfc MD5 · raw file
- # Copyright 2012, Jeroen Hoekx <jeroen@hoekx.be>
- #
- # 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/>.
- import ansible
- from ansible.callbacks import vv
- from ansible.errors import AnsibleError as ae
- from ansible.runner.return_data import ReturnData
- from ansible.utils import parse_kv, check_conditional
- import ansible.utils.template as template
- class ActionModule(object):
- ''' Create inventory groups based on variables '''
- ### We need to be able to modify the inventory
- BYPASS_HOST_LOOP = True
- TRANSFERS_FILES = False
- def __init__(self, runner):
- self.runner = runner
- def run(self, conn, tmp, module_name, module_args, inject, complex_args=None, **kwargs):
- # the group_by module does not need to pay attention to check mode.
- # it always runs.
- # module_args and complex_args have already been templated for the first host.
- # Use them here only to check that a key argument is provided.
- args = {}
- if complex_args:
- args.update(complex_args)
- args.update(parse_kv(module_args))
- if not 'key' in args:
- raise ae("'key' is a required argument.")
- vv("created 'group_by' ActionModule: key=%s"%(args['key']))
- inventory = self.runner.inventory
- result = {'changed': False}
- ### find all groups
- groups = {}
- for host in self.runner.host_set:
- data = {}
- data.update(inject)
- data.update(inject['hostvars'][host])
- conds = self.runner.conditional
- if type(conds) != list:
- conds = [ conds ]
- next_host = False
- for cond in conds:
- if not check_conditional(cond, self.runner.basedir, data, fail_on_undefined=self.runner.error_on_undefined_vars):
- next_host = True
- break
- if next_host:
- continue
- # Template original module_args and complex_args from runner for each host.
- host_module_args = template.template(self.runner.basedir, self.runner.module_args, data)
- host_complex_args = template.template(self.runner.basedir, self.runner.complex_args, data)
- host_args = {}
- if host_complex_args:
- host_args.update(host_complex_args)
- host_args.update(parse_kv(host_module_args))
- group_name = host_args['key']
- group_name = group_name.replace(' ','-')
- if group_name not in groups:
- groups[group_name] = []
- groups[group_name].append(host)
- result['groups'] = groups
- ### add to inventory
- for group, hosts in groups.items():
- inv_group = inventory.get_group(group)
- if not inv_group:
- inv_group = ansible.inventory.Group(name=group)
- inventory.add_group(inv_group)
- for host in hosts:
- if host in self.runner.inventory._vars_per_host:
- del self.runner.inventory._vars_per_host[host]
- inv_host = inventory.get_host(host)
- if not inv_host:
- inv_host = ansible.inventory.Host(name=host)
- if inv_group not in inv_host.get_groups():
- result['changed'] = True
- inv_group.add_host(inv_host)
- return ReturnData(conn=conn, comm_ok=True, result=result)