diff options
Diffstat (limited to 'openstack/usr/share/openstack/modules/neutron_router_interface')
| -rw-r--r-- | openstack/usr/share/openstack/modules/neutron_router_interface | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/openstack/usr/share/openstack/modules/neutron_router_interface b/openstack/usr/share/openstack/modules/neutron_router_interface new file mode 100644 index 00000000..8d57725c --- /dev/null +++ b/openstack/usr/share/openstack/modules/neutron_router_interface @@ -0,0 +1,249 @@ +#!/usr/bin/python +#coding: utf-8 -*- + +# (c) 2013, Benno Joy <benno@ansibleworks.com> +# +# This module 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. +# +# This software 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 this software. If not, see <http://www.gnu.org/licenses/>. + +try: + from neutronclient.neutron import client + from keystoneclient.v2_0 import client as ksclient +except ImportError: + print("failed=True msg='neutronclient and keystone client are required'") +DOCUMENTATION = ''' +--- +module: neutron_router_interface +version_added: "1.2" +short_description: Attach/Dettach a subnet's interface to a router +description: + - Attach/Dettach a subnet interface to a router, to provide a gateway for the subnet. +options: + login_username: + description: + - login username to authenticate to keystone + required: true + default: admin + login_password: + description: + - Password of login user + required: true + default: 'yes' + login_tenant_name: + description: + - The tenant name of the login user + required: true + default: 'yes' + auth_url: + description: + - The keystone URL for authentication + required: false + default: 'http://127.0.0.1:35357/v2.0/' + region_name: + description: + - Name of the region + required: false + default: None + state: + description: + - Indicate desired state of the resource + choices: ['present', 'absent'] + default: present + router_name: + description: + - Name of the router to which the subnet's interface should be attached. + required: true + default: None + subnet_name: + description: + - Name of the subnet to whose interface should be attached to the router. + required: true + default: None + tenant_name: + description: + - Name of the tenant whose subnet has to be attached. + required: false + default: None +requirements: ["neutronclient", "keystoneclient"] +''' + +EXAMPLES = ''' +# Attach tenant1's subnet to the external router +- neutron_router_interface: state=present login_username=admin + login_password=admin + login_tenant_name=admin + tenant_name=tenant1 + router_name=external_route + subnet_name=t1subnet +''' + + +_os_keystone = None +_os_tenant_id = None + +def _get_ksclient(module, kwargs): + try: + kclient = ksclient.Client(username=kwargs.get('login_username'), + password=kwargs.get('login_password'), + tenant_name=kwargs.get('login_tenant_name'), + auth_url=kwargs.get('auth_url')) + except Exception as e: + module.fail_json(msg = "Error authenticating to the keystone: %s " % e.message) + global _os_keystone + _os_keystone = kclient + return kclient + + +def _get_endpoint(module, ksclient): + try: + endpoint = ksclient.service_catalog.url_for(service_type='network', endpoint_type='publicURL') + except Exception as e: + module.fail_json(msg = "Error getting endpoint for glance: %s" % e.message) + return endpoint + +def _get_neutron_client(module, kwargs): + _ksclient = _get_ksclient(module, kwargs) + token = _ksclient.auth_token + endpoint = _get_endpoint(module, _ksclient) + kwargs = { + 'token': token, + 'endpoint_url': endpoint + } + try: + neutron = client.Client('2.0', **kwargs) + except Exception as e: + module.fail_json(msg = "Error in connecting to neutron: %s " % e.message) + return neutron + +def _set_tenant_id(module): + global _os_tenant_id + if not module.params['tenant_name']: + login_tenant_name = module.params['login_tenant_name'] + else: + login_tenant_name = module.params['tenant_name'] + + for tenant in _os_keystone.tenants.list(): + if tenant.name == login_tenant_name: + _os_tenant_id = tenant.id + break + if not _os_tenant_id: + module.fail_json(msg = "The tenant id cannot be found, please check the paramters") + + +def _get_router_id(module, neutron): + kwargs = { + 'name': module.params['router_name'], + } + try: + routers = neutron.list_routers(**kwargs) + except Exception as e: + module.fail_json(msg = "Error in getting the router list: %s " % e.message) + if not routers['routers']: + return None + return routers['routers'][0]['id'] + + +def _get_subnet_id(module, neutron): + subnet_id = None + kwargs = { + 'tenant_id': _os_tenant_id, + 'name': module.params['subnet_name'], + } + try: + subnets = neutron.list_subnets(**kwargs) + except Exception as e: + module.fail_json( msg = " Error in getting the subnet list:%s " % e.message) + if not subnets['subnets']: + return None + return subnets['subnets'][0]['id'] + +def _get_port_id(neutron, module, router_id, subnet_id): + kwargs = { + 'tenant_id': _os_tenant_id, + 'device_id': router_id, + } + try: + ports = neutron.list_ports(**kwargs) + except Exception as e: + module.fail_json( msg = "Error in listing ports: %s" % e.message) + if not ports['ports']: + return None + for port in ports['ports']: + for subnet in port['fixed_ips']: + if subnet['subnet_id'] == subnet_id: + return port['id'] + return None + +def _add_interface_router(neutron, module, router_id, subnet_id): + kwargs = { + 'subnet_id': subnet_id + } + try: + neutron.add_interface_router(router_id, kwargs) + except Exception as e: + module.fail_json(msg = "Error in adding interface to router: %s" % e.message) + return True + +def _remove_interface_router(neutron, module, router_id, subnet_id): + kwargs = { + 'subnet_id': subnet_id + } + try: + neutron.remove_interface_router(router_id, kwargs) + except Exception as e: + module.fail_json(msg="Error in removing interface from router: %s" % e.message) + return True + +def main(): + module = AnsibleModule( + argument_spec = dict( + login_username = dict(default='admin'), + login_password = dict(required=True), + login_tenant_name = dict(required='True'), + auth_url = dict(default='http://127.0.0.1:35357/v2.0/'), + region_name = dict(default=None), + router_name = dict(required=True), + subnet_name = dict(required=True), + tenant_name = dict(default=None), + state = dict(default='present', choices=['absent', 'present']), + ), + ) + + neutron = _get_neutron_client(module, module.params) + _set_tenant_id(module) + + router_id = _get_router_id(module, neutron) + if not router_id: + module.fail_json(msg="failed to get the router id, please check the router name") + + subnet_id = _get_subnet_id(module, neutron) + if not subnet_id: + module.fail_json(msg="failed to get the subnet id, please check the subnet name") + + if module.params['state'] == 'present': + port_id = _get_port_id(neutron, module, router_id, subnet_id) + if not port_id: + _add_interface_router(neutron, module, router_id, subnet_id) + module.exit_json(changed=True, result="created", id=port_id) + module.exit_json(changed=False, result="success", id=port_id) + + if module.params['state'] == 'absent': + port_id = _get_port_id(neutron, module, router_id, subnet_id) + if not port_id: + module.exit_json(changed = False, result = "Success") + _remove_interface_router(neutron, module, router_id, subnet_id) + module.exit_json(changed=True, result="Deleted") + +# this is magic, see lib/ansible/module.params['common.py +from ansible.module_utils.basic import * +main() |