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#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright: (c) 2015, Joseph Callen <jcallen () csc.com>
# Copyright: (c) 2018, Ansible Project
# Copyright: (c) 2018, Abhijeet Kasurde <akasurde@redhat.com>
# 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': ['preview'],
'supported_by': 'community'
}
DOCUMENTATION = '''
---
module: vmware_dvs_host
short_description: Add or remove a host from distributed virtual switch
description:
- Manage a host system from distributed virtual switch.
version_added: 2.0
author:
- "Joseph Callen (@jcpowermac)"
- "Abhijeet Kasurde (@akasurde)"
notes:
- Tested on vSphere 5.5
requirements:
- "python >= 2.7"
- 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
default: 'present'
extends_documentation_fragment: vmware.documentation
'''
EXAMPLES = '''
- 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:
from collections import Counter
HAS_COLLECTIONS_COUNTER = True
except ImportError as e:
HAS_COLLECTIONS_COUNTER = False
try:
from pyVmomi import vim, vmodl
except ImportError as e:
pass
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.vmware import (PyVmomi, find_dvs_by_name, find_hostsystem_by_name,
vmware_argument_spec, wait_for_task)
from ansible.module_utils._text import to_native
class VMwareDvsHost(PyVmomi):
def __init__(self, module):
super(VMwareDvsHost, self).__init__(module)
self.dv_switch = None
self.uplink_portgroup = None
self.host = None
self.dv_switch = None
self.nic = None
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):
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,
}
}
try:
dvs_host_states[self.state][self.check_dvs_host_state()]()
except vmodl.RuntimeFault as runtime_fault:
self.module.fail_json(msg=to_native(runtime_fault.msg))
except vmodl.MethodFault as method_fault:
self.module.fail_json(msg=to_native(method_fault.msg))
except Exception as e:
self.module.fail_json(msg=to_native(e))
def find_dvs_uplink_pg(self):
# There should only always be a single uplink port group on
# a distributed virtual switch
dvs_uplink_pg = self.dv_switch.config.uplinkPortgroup[0] if len(self.dv_switch.config.uplinkPortgroup) else None
return dvs_uplink_pg
# operation should be edit, add and remove
def modify_dvs_host(self, operation):
changed, result = False, None
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
try:
task = self.dv_switch.ReconfigureDvs_Task(spec)
changed, result = wait_for_task(task)
except vmodl.fault.NotSupported as not_supported:
self.module.fail_json(msg="Failed to configure DVS host %s as it is not"
" compatible with the VDS version." % self.esxi_hostname,
details=to_native(not_supported.msg))
return changed, result
def state_destroy_dvs_host(self):
operation, changed, result = ("remove", True, None)
if not self.module.check_mode:
changed, result = self.modify_dvs_host(operation)
self.module.exit_json(changed=changed, result=to_native(result))
def state_exit_unchanged(self):
self.module.exit_json(changed=False)
def state_update_dvs_host(self):
operation, changed, result = ("edit", True, None)
if not self.module.check_mode:
changed, result = self.modify_dvs_host(operation)
self.module.exit_json(changed=changed, result=to_native(result))
def state_create_dvs_host(self):
operation, changed, result = ("add", True, None)
if not self.module.check_mode:
changed, result = self.modify_dvs_host(operation)
self.module.exit_json(changed=changed, result=to_native(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 Counter(pnic_device) == 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:
self.module.fail_json(msg="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:
self.module.fail_json(msg="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_COLLECTIONS_COUNTER:
module.fail_json(msg='collections.Counter from Python-2.7 is required for this module')
vmware_dvs_host = VMwareDvsHost(module)
vmware_dvs_host.process_state()
if __name__ == '__main__':
main()
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