#!/usr/bin/python # -*- coding: utf-8 -*- # # Copyright: (c) 2017, F5 Networks Inc. # 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 ANSIBLE_METADATA = {'metadata_version': '1.1', 'status': ['stableinterface'], 'supported_by': 'certified'} DOCUMENTATION = r''' --- module: bigip_hostname short_description: Manage the hostname of a BIG-IP description: - Manage the hostname of a BIG-IP. version_added: 2.3 options: hostname: description: - Hostname of the BIG-IP host. required: True extends_documentation_fragment: f5 author: - Tim Rupp (@caphrim007) - Matthew Lam (@mryanlam) - Wojciech Wypior (@wojtek0806) ''' EXAMPLES = r''' - name: Set the hostname of the BIG-IP bigip_hostname: hostname: bigip.localhost.localdomain provider: user: admin password: secret server: lb.mydomain.com delegate_to: localhost ''' RETURN = r''' hostname: description: The new hostname of the device returned: changed type: string sample: big-ip01.internal ''' from ansible.module_utils.basic import AnsibleModule try: from library.module_utils.network.f5.bigip import F5RestClient from library.module_utils.network.f5.common import F5ModuleError from library.module_utils.network.f5.common import AnsibleF5Parameters from library.module_utils.network.f5.common import cleanup_tokens from library.module_utils.network.f5.common import f5_argument_spec from library.module_utils.network.f5.common import exit_json from library.module_utils.network.f5.common import fail_json except ImportError: from ansible.module_utils.network.f5.bigip import F5RestClient from ansible.module_utils.network.f5.common import F5ModuleError from ansible.module_utils.network.f5.common import AnsibleF5Parameters from ansible.module_utils.network.f5.common import cleanup_tokens from ansible.module_utils.network.f5.common import f5_argument_spec from ansible.module_utils.network.f5.common import exit_json from ansible.module_utils.network.f5.common import fail_json class Parameters(AnsibleF5Parameters): api_attributes = ['hostname'] updatables = ['hostname'] returnables = ['hostname'] def to_return(self): result = {} for returnable in self.returnables: result[returnable] = getattr(self, returnable) result = self._filter_params(result) return result @property def hostname(self): if self._values['hostname'] is None: return None return str(self._values['hostname']) class ApiParameters(Parameters): pass class ModuleParameters(Parameters): pass class Changes(Parameters): pass class UsableChanges(Changes): pass class ReportableChanges(Changes): pass class Difference(object): def __init__(self, want, have=None): self.want = want self.have = have def compare(self, param): try: result = getattr(self, param) return result except AttributeError: return self.__default(param) def __default(self, param): attr1 = getattr(self.want, param) try: attr2 = getattr(self.have, param) if attr1 != attr2: return attr1 except AttributeError: return attr1 class ModuleManager(object): def __init__(self, *args, **kwargs): self.module = kwargs.get('module', None) self.client = kwargs.get('client', None) self.have = ApiParameters() self.want = ModuleParameters(params=self.module.params) self.changes = UsableChanges() def _set_changed_options(self): changed = {} for key in Parameters.returnables: if getattr(self.want, key) is not None: changed[key] = getattr(self.want, key) if changed: self.changes = UsableChanges(params=changed) def _update_changed_options(self): diff = Difference(self.want, self.have) updatables = Parameters.updatables changed = dict() for k in updatables: change = diff.compare(k) if change is None: continue else: changed[k] = change if changed: self.changes = UsableChanges(params=changed) return True return False def exec_module(self): result = dict() changed = self.update() reportable = ReportableChanges(params=self.changes.to_return()) changes = reportable.to_return() result.update(**changes) result.update(dict(changed=changed)) self._announce_deprecations(result) return result def _announce_deprecations(self, result): warnings = result.pop('__warnings', []) for warning in warnings: self.module.deprecate( msg=warning['msg'], version=warning['version'] ) def _read_global_settings_from_device(self): uri = "https://{0}:{1}/mgmt/tm/sys/global-settings/".format( self.client.provider['server'], self.client.provider['server_port'], ) resp = self.client.api.get(uri) try: response = resp.json() except ValueError as ex: raise F5ModuleError(str(ex)) if 'code' in response and response['code'] == 400: if 'message' in response: raise F5ModuleError(response['message']) else: raise F5ModuleError(resp.content) return response def read_current_from_device(self): result = self._read_global_settings_from_device() uri = "https://{0}:{1}/mgmt/tm/cm/device/".format( self.client.provider['server'], self.client.provider['server_port'], ) resp = self.client.api.get(uri) try: response = resp.json() except ValueError as ex: raise F5ModuleError(str(ex)) if 'code' in response and response['code'] == 400: if 'message' in response: raise F5ModuleError(response['message']) else: raise F5ModuleError(resp.content) self_device = next((x['name'] for x in response['items'] if x['selfDevice'] == "true"), None) result['self_device'] = self_device return ApiParameters(params=result) def update(self): self.have = self.read_current_from_device() if not self.should_update(): return False if self.module.check_mode: return True self.update_on_device() return True def should_update(self): result = self._update_changed_options() if result: return True return False def update_on_device(self): params = self.want.api_params() uri = "https://{0}:{1}/mgmt/tm/sys/global-settings/".format( self.client.provider['server'], self.client.provider['server_port'], ) resp = self.client.api.patch(uri, json=params) try: response = resp.json() except ValueError as ex: raise F5ModuleError(str(ex)) if 'code' in response and response['code'] == 400: if 'message' in response: raise F5ModuleError(response['message']) else: raise F5ModuleError(resp.content) if self.have.self_device: uri = "https://{0}:{1}/mgmt/tm/cm/device".format( self.client.provider['server'], self.client.provider['server_port'], ) args = dict( command='mv', name=self.have.self_device, target=self.want.hostname ) resp = self.client.api.post(uri, json=args) try: response = resp.json() except ValueError as ex: raise F5ModuleError(str(ex)) if 'code' in response and response['code'] == 400: if 'message' in response: raise F5ModuleError(response['message']) else: raise F5ModuleError(resp.content) class ArgumentSpec(object): def __init__(self): self.supports_check_mode = True argument_spec = dict( hostname=dict( required=True ) ) self.argument_spec = {} self.argument_spec.update(f5_argument_spec) self.argument_spec.update(argument_spec) def main(): spec = ArgumentSpec() module = AnsibleModule( argument_spec=spec.argument_spec, supports_check_mode=spec.supports_check_mode ) client = F5RestClient(**module.params) try: mm = ModuleManager(module=module, client=client) results = mm.exec_module() cleanup_tokens(client) exit_json(module, results, client) except F5ModuleError as ex: cleanup_tokens(client) fail_json(module, ex, client) if __name__ == '__main__': main()