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# 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)
inventory.get_group('all').add_child_group(inv_group)
inv_group.vars = inventory.get_group_variables(group, update_cached=False, vault_password=inventory._vault_password)
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)
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