diff options
Diffstat (limited to 'lib/ansible/modules/extras/cloud/vmware/vmware_dvs_host.py')
| -rw-r--r-- | lib/ansible/modules/extras/cloud/vmware/vmware_dvs_host.py | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/lib/ansible/modules/extras/cloud/vmware/vmware_dvs_host.py b/lib/ansible/modules/extras/cloud/vmware/vmware_dvs_host.py new file mode 100644 index 0000000000..dcfb4ba7f5 --- /dev/null +++ b/lib/ansible/modules/extras/cloud/vmware/vmware_dvs_host.py @@ -0,0 +1,249 @@ +#!/usr/bin/python +# -*- coding: utf-8 -*- + +# (c) 2015, Joseph Callen <jcallen () csc.com> +# +# This file is part of Ansible +# +# Ansible 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. +# +# Ansible 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 Ansible. If not, see <http://www.gnu.org/licenses/>. + +DOCUMENTATION = ''' +--- +module: vmware_dvs_host +short_description: Add or remove a host from distributed virtual switch +description: + - Add or remove a host from distributed virtual switch +version_added: 2.0 +author: "Joseph Callen (@jcpowermac)" +notes: + - Tested on vSphere 5.5 +requirements: + - "python >= 2.6" + - PyVmomi +options: + esxi_hostname: + description: + - The ESXi hostname + required: True + switch_name: + description: + - The name of the Distributed vSwitch + required: True + vmnics: + description: + - The ESXi hosts vmnics to use with the Distributed vSwitch + required: True + state: + description: + - If the host should be present or absent attached to the vSwitch + choices: ['present', 'absent'] + required: True +extends_documentation_fragment: vmware.documentation +''' + +EXAMPLES = ''' +# Example vmware_dvs_host command from Ansible Playbooks +- name: Add Host to dVS + local_action: + module: vmware_dvs_host + hostname: vcenter_ip_or_hostname + username: vcenter_username + password: vcenter_password + esxi_hostname: esxi_hostname_as_listed_in_vcenter + switch_name: dvSwitch + vmnics: + - vmnic0 + - vmnic1 + state: present +''' + +try: + import collections + from pyVmomi import vim, vmodl + HAS_PYVMOMI = True +except ImportError: + HAS_PYVMOMI = False + + +class VMwareDvsHost(object): + def __init__(self, module): + self.module = module + self.dv_switch = None + self.uplink_portgroup = None + self.host = None + self.dv_switch = None + self.nic = None + self.content = connect_to_api(self.module) + self.state = self.module.params['state'] + self.switch_name = self.module.params['switch_name'] + self.esxi_hostname = self.module.params['esxi_hostname'] + self.vmnics = self.module.params['vmnics'] + + def process_state(self): + try: + dvs_host_states = { + 'absent': { + 'present': self.state_destroy_dvs_host, + 'absent': self.state_exit_unchanged, + }, + 'present': { + 'update': self.state_update_dvs_host, + 'present': self.state_exit_unchanged, + 'absent': self.state_create_dvs_host, + } + } + + dvs_host_states[self.state][self.check_dvs_host_state()]() + except vmodl.RuntimeFault as runtime_fault: + self.module.fail_json(msg=runtime_fault.msg) + except vmodl.MethodFault as method_fault: + self.module.fail_json(msg=method_fault.msg) + except Exception as e: + self.module.fail_json(msg=str(e)) + + def find_dvspg_by_name(self): + portgroups = self.dv_switch.portgroup + + for pg in portgroups: + if pg.name == self.portgroup_name: + return pg + return None + + def find_dvs_uplink_pg(self): + # There should only always be a single uplink port group on + # a distributed virtual switch + + if len(self.dv_switch.config.uplinkPortgroup): + return self.dv_switch.config.uplinkPortgroup[0] + else: + return None + + # operation should be edit, add and remove + def modify_dvs_host(self, operation): + spec = vim.DistributedVirtualSwitch.ConfigSpec() + spec.configVersion = self.dv_switch.config.configVersion + spec.host = [vim.dvs.HostMember.ConfigSpec()] + spec.host[0].operation = operation + spec.host[0].host = self.host + + if operation in ("edit", "add"): + spec.host[0].backing = vim.dvs.HostMember.PnicBacking() + count = 0 + + for nic in self.vmnics: + spec.host[0].backing.pnicSpec.append(vim.dvs.HostMember.PnicSpec()) + spec.host[0].backing.pnicSpec[count].pnicDevice = nic + spec.host[0].backing.pnicSpec[count].uplinkPortgroupKey = self.uplink_portgroup.key + count += 1 + + task = self.dv_switch.ReconfigureDvs_Task(spec) + changed, result = wait_for_task(task) + return changed, result + + def state_destroy_dvs_host(self): + operation = "remove" + changed = True + result = None + + if not self.module.check_mode: + changed, result = self.modify_dvs_host(operation) + self.module.exit_json(changed=changed, result=str(result)) + + def state_exit_unchanged(self): + self.module.exit_json(changed=False) + + def state_update_dvs_host(self): + operation = "edit" + changed = True + result = None + + if not self.module.check_mode: + changed, result = self.modify_dvs_host(operation) + self.module.exit_json(changed=changed, result=str(result)) + + def state_create_dvs_host(self): + operation = "add" + changed = True + result = None + + if not self.module.check_mode: + changed, result = self.modify_dvs_host(operation) + self.module.exit_json(changed=changed, result=str(result)) + + def find_host_attached_dvs(self): + for dvs_host_member in self.dv_switch.config.host: + if dvs_host_member.config.host.name == self.esxi_hostname: + return dvs_host_member.config.host + + return None + + def check_uplinks(self): + pnic_device = [] + + for dvs_host_member in self.dv_switch.config.host: + if dvs_host_member.config.host == self.host: + for pnicSpec in dvs_host_member.config.backing.pnicSpec: + pnic_device.append(pnicSpec.pnicDevice) + + return collections.Counter(pnic_device) == collections.Counter(self.vmnics) + + def check_dvs_host_state(self): + self.dv_switch = find_dvs_by_name(self.content, self.switch_name) + + if self.dv_switch is None: + raise Exception("A distributed virtual switch %s does not exist" % self.switch_name) + + self.uplink_portgroup = self.find_dvs_uplink_pg() + + if self.uplink_portgroup is None: + raise Exception("An uplink portgroup does not exist on the distributed virtual switch %s" + % self.switch_name) + + self.host = self.find_host_attached_dvs() + + if self.host is None: + # We still need the HostSystem object to add the host + # to the distributed vswitch + self.host = find_hostsystem_by_name(self.content, self.esxi_hostname) + if self.host is None: + self.module.fail_json(msg="The esxi_hostname %s does not exist in vCenter" % self.esxi_hostname) + return 'absent' + else: + if self.check_uplinks(): + return 'present' + else: + return 'update' + + +def main(): + + argument_spec = vmware_argument_spec() + argument_spec.update(dict(esxi_hostname=dict(required=True, type='str'), + switch_name=dict(required=True, type='str'), + vmnics=dict(required=True, type='list'), + state=dict(default='present', choices=['present', 'absent'], type='str'))) + + module = AnsibleModule(argument_spec=argument_spec, supports_check_mode=True) + + if not HAS_PYVMOMI: + module.fail_json(msg='pyvmomi is required for this module') + + vmware_dvs_host = VMwareDvsHost(module) + vmware_dvs_host.process_state() + +from ansible.module_utils.vmware import * +from ansible.module_utils.basic import * + +if __name__ == '__main__': + main() |