#!/usr/bin/python # -*- coding: utf-8 -*- # Copyright: Ansible Project # GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt) from __future__ import absolute_import, division, print_function __metaclass__ = type DOCUMENTATION = ''' --- module: rax_clb short_description: create / delete a load balancer in Rackspace Public Cloud description: - creates / deletes a Rackspace Public Cloud load balancer. options: algorithm: type: str description: - algorithm for the balancer being created choices: - RANDOM - LEAST_CONNECTIONS - ROUND_ROBIN - WEIGHTED_LEAST_CONNECTIONS - WEIGHTED_ROUND_ROBIN default: LEAST_CONNECTIONS meta: type: dict default: {} description: - A hash of metadata to associate with the instance name: type: str description: - Name to give the load balancer required: yes port: type: int description: - Port for the balancer being created default: 80 protocol: type: str description: - Protocol for the balancer being created choices: - DNS_TCP - DNS_UDP - FTP - HTTP - HTTPS - IMAPS - IMAPv4 - LDAP - LDAPS - MYSQL - POP3 - POP3S - SMTP - TCP - TCP_CLIENT_FIRST - UDP - UDP_STREAM - SFTP default: HTTP state: type: str description: - Indicate desired state of the resource choices: - present - absent default: present timeout: type: int description: - timeout for communication between the balancer and the node default: 30 type: type: str description: - type of interface for the balancer being created choices: - PUBLIC - SERVICENET default: PUBLIC vip_id: type: str description: - Virtual IP ID to use when creating the load balancer for purposes of sharing an IP with another load balancer of another protocol wait: description: - wait for the balancer to be in state 'running' before returning type: bool default: 'no' wait_timeout: type: int description: - how long before wait gives up, in seconds default: 300 author: - "Christopher H. Laco (@claco)" - "Matt Martz (@sivel)" extends_documentation_fragment: - community.general.rackspace - community.general.rackspace.openstack ''' EXAMPLES = ''' - name: Build a Load Balancer gather_facts: False hosts: local connection: local tasks: - name: Load Balancer create request local_action: module: rax_clb credentials: ~/.raxpub name: my-lb port: 8080 protocol: HTTP type: SERVICENET timeout: 30 region: DFW wait: yes state: present meta: app: my-cool-app register: my_lb ''' try: import pyrax HAS_PYRAX = True except ImportError: HAS_PYRAX = False from ansible.module_utils.basic import AnsibleModule from ansible_collections.community.general.plugins.module_utils.rax import (CLB_ALGORITHMS, CLB_PROTOCOLS, rax_argument_spec, rax_required_together, rax_to_dict, setup_rax_module, ) def cloud_load_balancer(module, state, name, meta, algorithm, port, protocol, vip_type, timeout, wait, wait_timeout, vip_id): if int(timeout) < 30: module.fail_json(msg='"timeout" must be greater than or equal to 30') changed = False balancers = [] clb = pyrax.cloud_loadbalancers if not clb: module.fail_json(msg='Failed to instantiate client. This ' 'typically indicates an invalid region or an ' 'incorrectly capitalized region name.') balancer_list = clb.list() while balancer_list: retrieved = clb.list(marker=balancer_list.pop().id) balancer_list.extend(retrieved) if len(retrieved) < 2: break for balancer in balancer_list: if name != balancer.name and name != balancer.id: continue balancers.append(balancer) if len(balancers) > 1: module.fail_json(msg='Multiple Load Balancers were matched by name, ' 'try using the Load Balancer ID instead') if state == 'present': if isinstance(meta, dict): metadata = [dict(key=k, value=v) for k, v in meta.items()] if not balancers: try: virtual_ips = [clb.VirtualIP(type=vip_type, id=vip_id)] balancer = clb.create(name, metadata=metadata, port=port, algorithm=algorithm, protocol=protocol, timeout=timeout, virtual_ips=virtual_ips) changed = True except Exception as e: module.fail_json(msg='%s' % e.message) else: balancer = balancers[0] setattr(balancer, 'metadata', [dict(key=k, value=v) for k, v in balancer.get_metadata().items()]) atts = { 'name': name, 'algorithm': algorithm, 'port': port, 'protocol': protocol, 'timeout': timeout } for att, value in atts.items(): current = getattr(balancer, att) if current != value: changed = True if changed: balancer.update(**atts) if balancer.metadata != metadata: balancer.set_metadata(meta) changed = True virtual_ips = [clb.VirtualIP(type=vip_type)] current_vip_types = set([v.type for v in balancer.virtual_ips]) vip_types = set([v.type for v in virtual_ips]) if current_vip_types != vip_types: module.fail_json(msg='Load balancer Virtual IP type cannot ' 'be changed') if wait: attempts = wait_timeout // 5 pyrax.utils.wait_for_build(balancer, interval=5, attempts=attempts) balancer.get() instance = rax_to_dict(balancer, 'clb') result = dict(changed=changed, balancer=instance) if balancer.status == 'ERROR': result['msg'] = '%s failed to build' % balancer.id elif wait and balancer.status not in ('ACTIVE', 'ERROR'): result['msg'] = 'Timeout waiting on %s' % balancer.id if 'msg' in result: module.fail_json(**result) else: module.exit_json(**result) elif state == 'absent': if balancers: balancer = balancers[0] try: balancer.delete() changed = True except Exception as e: module.fail_json(msg='%s' % e.message) instance = rax_to_dict(balancer, 'clb') if wait: attempts = wait_timeout // 5 pyrax.utils.wait_until(balancer, 'status', ('DELETED'), interval=5, attempts=attempts) else: instance = {} module.exit_json(changed=changed, balancer=instance) def main(): argument_spec = rax_argument_spec() argument_spec.update( dict( algorithm=dict(choices=CLB_ALGORITHMS, default='LEAST_CONNECTIONS'), meta=dict(type='dict', default={}), name=dict(required=True), port=dict(type='int', default=80), protocol=dict(choices=CLB_PROTOCOLS, default='HTTP'), state=dict(default='present', choices=['present', 'absent']), timeout=dict(type='int', default=30), type=dict(choices=['PUBLIC', 'SERVICENET'], default='PUBLIC'), vip_id=dict(), wait=dict(type='bool', default=False), wait_timeout=dict(type='int', default=300), ) ) module = AnsibleModule( argument_spec=argument_spec, required_together=rax_required_together(), ) if not HAS_PYRAX: module.fail_json(msg='pyrax is required for this module') algorithm = module.params.get('algorithm') meta = module.params.get('meta') name = module.params.get('name') port = module.params.get('port') protocol = module.params.get('protocol') state = module.params.get('state') timeout = int(module.params.get('timeout')) vip_id = module.params.get('vip_id') vip_type = module.params.get('type') wait = module.params.get('wait') wait_timeout = int(module.params.get('wait_timeout')) setup_rax_module(module, pyrax) cloud_load_balancer(module, state, name, meta, algorithm, port, protocol, vip_type, timeout, wait, wait_timeout, vip_id) if __name__ == '__main__': main()