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

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Python
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#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright (c) 2020 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 yaml
try:
from ansible.module_utils import network_data_v2 as n_utils
except ImportError:
from tripleo_ansible.ansible_plugins.module_utils import network_data_v2 as n_utils # noqa
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.openstack import openstack_full_argument_spec
from ansible.module_utils.openstack import openstack_module_kwargs
from ansible.module_utils.openstack import openstack_cloud_from_module
ANSIBLE_METADATA = {
'metadata_version': '1.1',
'status': ['preview'],
'supported_by': 'community'
}
DOCUMENTATION = '''
---
module: tripleo_overcloud_network_extract
short_description: Extract information on provisioned overcloud networks
version_added: "2.8"
description:
- "Extract information about provisioned network resource in overcloud heat stack."
options:
stack_name:
description:
- Name of the overcloud heat stack
type: str
author:
- Harald Jensås <hjensas@redhat.com>
'''
RETURN = '''
network_data:
description: Overcloud networks data
returned: always
type: list
sample:
- name: Storage
name_lower: storage
mtu: 1440
dns_domain: storage.localdomain.
vip: true
subnets:
storage:
ip_subnet: '172.18.0.0/24'
allocation_pools:
- {'end': '172.18.0.250', 'start': '172.18.0.10'}
gateway_ip: '172.18.0.254'
ipv6_subnet: 'fd00:fd00:fd00:2000::/64'
ipv6_allocation_pools:
- {'end': 'fd00:fd00:fd00:2000:ffff:ffff:ffff:fffe', 'start': 'fd00:fd00:fd00:2000::10'}
gateway_ipv6: 'fd00:fd00:fd00:2000::1'
routes:
- destination: 172.18.1.0/24
nexthop: 172.18.0.254
routes_ipv6:
- destination: 'fd00:fd00:fd00:2001::/64'
nexthop: 'fd00:fd00:fd00:2000::1'
vlan: 10
physical_network: storage
storage_leaf1:
vlan: 21
ip_subnet: '172.18.1.0/24'
allocation_pools:
- {'end': '172.18.1.250', 'start': '172.18.1.10'}
gateway_ip: '172.18.1.254'
ipv6_subnet: 'fd00:fd00:fd00:2001::/64'
ipv6_allocation_pools:
- {'end': 'fd00:fd00:fd00:2001:ffff:ffff:ffff:fffe', 'start': 'fd00:fd00:fd00:2001::10'}
gateway_ipv6: 'fd00:fd00:fd00:2001::1'
routes:
- destination: 172.18.0.0/24
nexthop: 172.18.1.254
routes_ipv6:
- destination: 'fd00:fd00:fd00:2000::/64'
nexthop: 'fd00:fd00:fd00:2001::1'
vlan: 20
physical_network: storage_leaf1
'''
EXAMPLES = '''
- name: Get Overcloud networks data
tripleo_overcloud_network_extract:
stack_name: overcloud
register: overcloud_network_data
- name: Write netowork data to output file
copy:
content: "{{ overcloud_network_data.network_data | to_yaml }}"
dest: /path/exported-network-data.yaml
'''
DEFAULT_NETWORK_MTU = 1500
DEFAULT_NETWROK_SHARED = False
DEFAULT_NETWORK_ADMIN_STATE_UP = False
DEFAULT_NETWORK_TYPE = 'flat'
DEFAULT_NETWORK_VIP = False
DEFAULT_SUBNET_DHCP_ENABLED = False
DEFAULT_SUBNET_IPV6_ADDRESS_MODE = None
DEFAULT_SUBNET_IPV6_RA_MODE = None
def is_vip_network(conn, network_id):
network_name = conn.network.get_network(network_id).name
vip_ports = conn.network.ports(network_id=network_id,
name='{}{}'.format(network_name,
n_utils.NET_VIP_SUFFIX))
try:
next(vip_ports)
return True
except StopIteration:
pass
return False
def get_network_info(conn, network_id):
def pop_defaults(_dict):
if _dict['mtu'] == DEFAULT_NETWORK_MTU:
_dict.pop('mtu')
if _dict['shared'] == DEFAULT_NETWROK_SHARED:
_dict.pop('shared')
if _dict['admin_state_up'] == DEFAULT_NETWORK_ADMIN_STATE_UP:
_dict.pop('admin_state_up')
if _dict['vip'] == DEFAULT_NETWORK_VIP:
_dict.pop('vip')
network = conn.network.get_network(network_id)
tag_dict = n_utils.tags_to_dict(network.tags)
net_dict = {
'name_lower': network.name,
'dns_domain': network.dns_domain,
'mtu': network.mtu,
'shared': network.is_shared,
'admin_state_up': network.is_admin_state_up,
'vip': is_vip_network(conn, network.id),
}
if 'tripleo_service_net_map_replace' in tag_dict:
net_dict.update({
'service_net_map_replace':
tag_dict['tripleo_service_net_map_replace']
})
pop_defaults(net_dict)
return tag_dict['tripleo_net_idx'], net_dict
def get_subnet_info(conn, subnet_id):
def pop_defaults(_dict):
if _dict['enable_dhcp'] == DEFAULT_SUBNET_DHCP_ENABLED:
_dict.pop('enable_dhcp')
if _dict['network_type'] == DEFAULT_NETWORK_TYPE:
_dict.pop('network_type')
if _dict['vlan'] is None:
_dict.pop('vlan')
if _dict['segmentation_id'] is None:
_dict.pop('segmentation_id')
try:
if _dict['ipv6_address_mode'] == DEFAULT_SUBNET_IPV6_ADDRESS_MODE:
_dict.pop('ipv6_address_mode')
except KeyError:
pass
try:
if _dict['ipv6_ra_mode'] == DEFAULT_SUBNET_IPV6_RA_MODE:
_dict.pop('ipv6_ra_mode')
except KeyError:
pass
subnet = conn.network.get_subnet(subnet_id)
segment = conn.network.get_segment(subnet.segment_id)
tag_dict = n_utils.tags_to_dict(subnet.tags)
subnet_name = subnet.name
subnet_dict = {
'enable_dhcp': subnet.is_dhcp_enabled,
'vlan': (int(tag_dict['tripleo_vlan_id'])
if tag_dict.get('tripleo_vlan_id') else None),
'physical_network': segment.physical_network,
'network_type': segment.network_type,
'segmentation_id': segment.segmentation_id,
}
if subnet.ip_version == 4:
subnet_dict.update({
'ip_subnet': subnet.cidr,
'allocation_pools': subnet.allocation_pools,
'routes': subnet.host_routes,
})
if subnet.gateway_ip:
subnet_dict.update({
'gateway_ip': subnet.gateway_ip,
})
if subnet.ip_version == 6:
subnet_dict.update({
'ipv6_subnet': subnet.cidr,
'ipv6_allocation_pools': subnet.allocation_pools,
'routes_ipv6': subnet.host_routes,
'ipv6_address_mode': subnet.ipv6_address_mode,
'ipv6_ra_mode': subnet.ipv6_ra_mode,
})
if subnet.gateway_ip:
subnet_dict.update({
'gateway_ipv6': subnet.gateway_ip,
})
pop_defaults(subnet_dict)
return subnet_name, subnet_dict
def parse_net_resource(conn, net_resource, indexed_networks, net_entry):
for res in net_resource:
if net_resource[res][n_utils.RES_TYPE] == n_utils.TYPE_NET:
idx, net_dict = get_network_info(
conn, net_resource[res][n_utils.RES_ID])
net_entry.update(net_dict)
if net_resource[res][n_utils.RES_TYPE] == n_utils.TYPE_SUBNET:
subnet_name, subnet_dict = get_subnet_info(
conn, net_resource[res][n_utils.RES_ID])
net_entry['subnets'].update({subnet_name: subnet_dict})
indexed_networks[idx] = net_entry
def parse_net_resources(conn, net_resources):
indexed_networks = dict()
for net in net_resources:
name = net.rpartition('Network')[0]
net_entry = {'name': name, 'subnets': dict()}
parse_net_resource(conn, net_resources[net], indexed_networks,
net_entry)
network_data = [indexed_networks[i] for i in sorted(indexed_networks)]
return network_data
def run_module():
result = dict(
success=False,
changed=False,
error="",
network_data=list()
)
argument_spec = openstack_full_argument_spec(
**yaml.safe_load(DOCUMENTATION)['options']
)
module = AnsibleModule(
argument_spec,
supports_check_mode=False,
**openstack_module_kwargs()
)
stack_name = module.params['stack_name']
try:
_, conn = openstack_cloud_from_module(module)
net_resources = n_utils.get_overcloud_network_resources(conn,
stack_name)
result['network_data'] = parse_net_resources(conn, net_resources)
result['changed'] = True if result['network_data'] else False
module.exit_json(**result)
except Exception as err:
result['error'] = str(err)
result['msg'] = ("Error getting network data from overcloud stack "
"{stack_name}: %{error}".format(stack_name=stack_name,
error=err))
module.fail_json(**result)
def main():
run_module()
if __name__ == '__main__':
main()
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