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path: root/cloud/vmware/vmware_migrate_vmk.py
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#!/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/>.

ANSIBLE_METADATA = {'status': ['preview'],
                    'supported_by': 'community',
                    'version': '1.0'}

DOCUMENTATION = '''
---
module: vmware_migrate_vmk
short_description: Migrate a VMK interface from VSS to VDS
description:
    - Migrate a VMK interface from VSS to VDS
version_added: 2.0
author: "Joseph Callen (@jcpowermac), Russell Teague (@mtnbikenc)"
notes:
    - Tested on vSphere 5.5
requirements:
    - "python >= 2.6"
    - PyVmomi
options:
    esxi_hostname:
        description:
            - ESXi hostname to be managed
        required: True
    device:
        description:
            - VMK interface name
        required: True
    current_switch_name:
        description:
            - Switch VMK interface is currently on
        required: True
    current_portgroup_name:
        description:
            - Portgroup name VMK interface is currently on
        required: True
    migrate_switch_name:
        description:
            - Switch name to migrate VMK interface to
        required: True
    migrate_portgroup_name:
        description:
            - Portgroup name to migrate VMK interface to
        required: True
extends_documentation_fragment: vmware.documentation
'''

EXAMPLES = '''
Example from Ansible playbook

    - name: Migrate Management vmk
      local_action:
        module: vmware_migrate_vmk
        hostname: vcsa_host
        username: vcsa_user
        password: vcsa_pass
        esxi_hostname: esxi_hostname
        device: vmk1
        current_switch_name: temp_vswitch
        current_portgroup_name: esx-mgmt
        migrate_switch_name: dvSwitch
        migrate_portgroup_name: Management
'''
try:
    from pyVmomi import vim, vmodl
    HAS_PYVMOMI = True
except ImportError:
    HAS_PYVMOMI = False


class VMwareMigrateVmk(object):
    def __init__(self, module):
        self.module = module
        self.host_system = None
        self.migrate_switch_name = self.module.params['migrate_switch_name']
        self.migrate_portgroup_name = self.module.params['migrate_portgroup_name']
        self.device = self.module.params['device']
        self.esxi_hostname = self.module.params['esxi_hostname']
        self.current_portgroup_name = self.module.params['current_portgroup_name']
        self.current_switch_name = self.module.params['current_switch_name']
        self.content = connect_to_api(module)

    def process_state(self):
        try:
            vmk_migration_states = {
                'migrate_vss_vds': self.state_migrate_vss_vds,
                'migrate_vds_vss': self.state_migrate_vds_vss,
                'migrated': self.state_exit_unchanged
            }

            vmk_migration_states[self.check_vmk_current_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 state_exit_unchanged(self):
        self.module.exit_json(changed=False)

    def state_migrate_vds_vss(self):
        self.module.exit_json(changed=False, msg="Currently Not Implemented")

    def create_host_vnic_config(self, dv_switch_uuid, portgroup_key):
        host_vnic_config = vim.host.VirtualNic.Config()
        host_vnic_config.spec = vim.host.VirtualNic.Specification()

        host_vnic_config.changeOperation = "edit"
        host_vnic_config.device = self.device
        host_vnic_config.portgroup = ""
        host_vnic_config.spec.distributedVirtualPort = vim.dvs.PortConnection()
        host_vnic_config.spec.distributedVirtualPort.switchUuid = dv_switch_uuid
        host_vnic_config.spec.distributedVirtualPort.portgroupKey = portgroup_key

        return host_vnic_config

    def create_port_group_config(self):
        port_group_config = vim.host.PortGroup.Config()
        port_group_config.spec = vim.host.PortGroup.Specification()

        port_group_config.changeOperation = "remove"
        port_group_config.spec.name = self.current_portgroup_name
        port_group_config.spec.vlanId = -1
        port_group_config.spec.vswitchName = self.current_switch_name
        port_group_config.spec.policy = vim.host.NetworkPolicy()

        return port_group_config

    def state_migrate_vss_vds(self):
        host_network_system = self.host_system.configManager.networkSystem

        dv_switch = find_dvs_by_name(self.content, self.migrate_switch_name)
        pg = find_dvspg_by_name(dv_switch, self.migrate_portgroup_name)

        config = vim.host.NetworkConfig()
        config.portgroup = [self.create_port_group_config()]
        config.vnic = [self.create_host_vnic_config(dv_switch.uuid, pg.key)]
        host_network_system.UpdateNetworkConfig(config, "modify")
        self.module.exit_json(changed=True)

    def check_vmk_current_state(self):
        self.host_system = find_hostsystem_by_name(self.content, self.esxi_hostname)

        for vnic in self.host_system.configManager.networkSystem.networkInfo.vnic:
            if vnic.device == self.device:
                #self.vnic = vnic
                if vnic.spec.distributedVirtualPort is None:
                    if vnic.portgroup == self.current_portgroup_name:
                        return "migrate_vss_vds"
                else:
                    dvs = find_dvs_by_name(self.content, self.current_switch_name)
                    if dvs is None:
                        return "migrated"
                    if vnic.spec.distributedVirtualPort.switchUuid == dvs.uuid:
                        return "migrate_vds_vss"


def main():

    argument_spec = vmware_argument_spec()
    argument_spec.update(dict(esxi_hostname=dict(required=True, type='str'),
                              device=dict(required=True, type='str'),
                              current_switch_name=dict(required=True, type='str'),
                              current_portgroup_name=dict(required=True, type='str'),
                              migrate_switch_name=dict(required=True, type='str'),
                              migrate_portgroup_name=dict(required=True, type='str')))

    module = AnsibleModule(argument_spec=argument_spec, supports_check_mode=False)

    if not HAS_PYVMOMI:
        self.module.fail_json(msg='pyvmomi required for this module')

    vmware_migrate_vmk = VMwareMigrateVmk(module)
    vmware_migrate_vmk.process_state()

from ansible.module_utils.vmware import *
from ansible.module_utils.basic import *

if __name__ == '__main__':
    main()