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tripleo-ansible
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tripleo-ansible/tripleo_ansible/ansible_plugins/modules/tripleo_generate_inventory_...

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Python
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#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright (c) 2021 OpenStack Foundation
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import copy
import traceback
import yaml
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.openstack import openstack_full_argument_spec
ANSIBLE_METADATA = {
'metadata_version': '1.1',
'status': ['preview'],
'supported_by': 'community'
}
DOCUMENTATION = '''
---
module: tripleo_generate_inventory_network_config
short_description: Generate network config for ansible inventory
version_added: "2.8"
description:
- Generates network config that cannot be stored on neutron port resources
for the ansible inventory.
options:
instances:
description:
- Data describing instances, node instances including networks and
network_config
type: list
elements: dict
suboptions:
hostname:
description:
- Node hostname
type: str
network_config:
description:
- Network configuration object
type: dict
suboptions:
default_route_network:
description:
- The network to use for the default route
type: list
default:
- ctlplane
template:
description:
- The nic config template
type: string
default: templates/net_config_bridge.j2
dns_search_domains:
description:
- A list of DNS search domains to be added (in order) to
resolv.conf.
type: list
default: []
physical_bridge_name:
description:
- An OVS bridge to create for accessing external networks.
type: string
default: br-ex
public_interface_name:
description:
- Which interface to add to the public bridge
type: string
default: nic1
network_deployment_actions:
description:
- When to apply network configuration changes, allowed values
are CREATE and UPDATE.
type: list
default: ['CREATE']
networks_skip_config:
description:
- List of networks that should be skipped when configuring node
networking
type: list
default: []
net_config_data_lookup:
description:
- Per node and/or per node group os-net-config nic mapping config
type: dict
bond_interface_ovs_options:
description:
- The ovs_options or bonding_options string for the bond
interface. Set things like lacp=active and/or
bond_mode=balance-slb for OVS bonds or like mode=4 for Linux
bonds using this option.
type: string
hostname_role_map:
description:
- Mapping of instance hostnames to role name
type: dict
author:
- Harald Jensås <hjensas@redhat.com>
'''
RETURN = '''
Controller:
hosts:
overcloud-controller-0:
template: templates/multiple_nics/multiple_nics.j2
physical_bridge_name: br-ex
public_interface_name: nic1
network_deployment_actions: ['CREATE']
net_config_data_lookup: {}
bond_interface_ovs_options: bond_mode=balance-slb
vars:
tripleo_network_config_with_ansible: true
Compute:
hosts:
overcloud-compute-0:
template: templates/multiple_nics/multiple_nics.j2
physical_bridge_name: br-ex
public_interface_name: nic1
network_deployment_actions: ['CREATE']
net_config_data_lookup: {}
bond_interface_ovs_options: bond_mode=balance-slb
overcloud-compute-1:
template: templates/multiple_nics/multiple_nics.j2
physical_bridge_name: br-ex
public_interface_name: nic1
network_deployment_actions: ['CREATE']
net_config_data_lookup: {}
bond_interface_ovs_options: bond_mode=balance-slb
vars:
tripleo_network_config_with_ansible: true
'''
EXAMPLES = '''
- name: Generate network config for ansible inventory
tripleo_generate_inventory_network_config:
instances:
- hostname: overcloud-controller-0
network_config:
template: templates/multiple_nics/multiple_nics.j2
physical_bridge_name: br-ex
public_interface_name: nic1
network_deployment_actions: ['CREATE']
net_config_data_lookup: {}
bond_interface_ovs_options: bond_mode=balance-slb
- hostname: overcloud-novacompute-0
network_config:
template: templates/multiple_nics/multiple_nics.j2
physical_bridge_name: br-ex
public_interface_name: nic1
network_deployment_actions: ['CREATE']
net_config_data_lookup: {}
bond_interface_ovs_options: bond_mode=balance-slb
- hostname: overcloud-novacompute-1
network_config:
template: templates/multiple_nics/multiple_nics.j2
physical_bridge_name: br-ex
public_interface_name: nic1
network_deployment_actions: ['CREATE']
net_config_data_lookup: {}
bond_interface_ovs_options: bond_mode=balance-slb
hostname_role_map:
overcloud-controller-0: Controller
overcloud-novacompute-0: Compute
overcloud-novacompute-1: Compute
'''
def set_network_config_defaults(module_opts, network_config):
net_config_opts = module_opts['instances']['suboptions']['network_config']
for k, v in net_config_opts['suboptions'].items():
default = v.get('default')
if default is not None:
network_config.setdefault(k, default)
def translate_opts_for_tripleo_network_config_role(network_config):
translation_map = dict(
template='tripleo_network_config_template',
physical_bridge_name='neutron_physical_bridge_name',
public_interface_name='neutron_public_interface_name',
network_deployment_actions=('tripleo_network_config_'
'network_deployment_actions'),
net_config_data_lookup='tripleo_network_config_os_net_config_mappings',
)
for key, value in copy.deepcopy(network_config).items():
if key not in translation_map:
continue
new_key = translation_map[key]
network_config.setdefault(new_key, value)
network_config.pop(key)
def generate_ansible_inventory_network_config(result, module_opts, instances,
hostname_role_map):
inventory = result['config']
roles = set(hostname_role_map.values())
for role in roles:
inventory.setdefault(role, dict())
inventory[role].setdefault('hosts', dict())
role_vars = inventory[role].setdefault('vars', dict())
role_vars.setdefault('tripleo_network_config_with_ansible', True)
for instance in instances:
if not instance.get('provisioned', True):
continue
hostname = instance['hostname']
role = hostname_role_map[hostname]
host = inventory[role]['hosts'].setdefault(hostname, dict())
network_config = instance.get('network_config', dict())
set_network_config_defaults(module_opts, network_config)
translate_opts_for_tripleo_network_config_role(network_config)
host.update(network_config)
# Delete empty roles, i.e no provisioned hosts.
for role in roles:
if not inventory[role]['hosts']:
del inventory[role]
result['changed'] = True
def run_module():
result = dict(
success=False,
changed=False,
error="",
config=dict(),
)
module_opts = yaml.safe_load(DOCUMENTATION)['options']
argument_spec = openstack_full_argument_spec(**module_opts)
module = AnsibleModule(
argument_spec=argument_spec,
supports_check_mode=False,
)
instances = module.params['instances']
hostname_role_map = module.params['hostname_role_map']
try:
generate_ansible_inventory_network_config(result, module_opts,
instances, hostname_role_map)
result['success'] = True
module.exit_json(**result)
except Exception:
result['error'] = traceback.format_exc()
result['msg'] = ("Error generating ansible inventory network config: "
"{}".format(traceback.format_exc().split('\n')[-2]))
module.fail_json(**result)
def main():
run_module()
if __name__ == '__main__':
main()
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