mirror of https://github.com/ansible/ansible.git
New VMware Module to support adding an ESXi host to a distributed vswitch
parent
6999052880
commit
55f59cec54
@ -0,0 +1,281 @@
|
||||
#!/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:
|
||||
hostname:
|
||||
description:
|
||||
- The hostname or IP address of the vSphere vCenter API server
|
||||
required: True
|
||||
username:
|
||||
description:
|
||||
- The username of the vSphere vCenter
|
||||
required: True
|
||||
aliases: ['user', 'admin']
|
||||
password:
|
||||
description:
|
||||
- The password of the vSphere vCenter
|
||||
required: True
|
||||
aliases: ['pass', 'pwd']
|
||||
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
|
||||
'''
|
||||
|
||||
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
|
||||
|
||||
|
||||
def find_dvspg_by_name(dv_switch, portgroup_name):
|
||||
portgroups = dv_switch.portgroup
|
||||
|
||||
for pg in portgroups:
|
||||
if pg.name == portgroup_name:
|
||||
return pg
|
||||
|
||||
return None
|
||||
|
||||
|
||||
def find_dvs_uplink_pg(dv_switch):
|
||||
# There should only always be a single uplink port group on
|
||||
# a distributed virtual switch
|
||||
|
||||
if len(dv_switch.config.uplinkPortgroup):
|
||||
return dv_switch.config.uplinkPortgroup[0]
|
||||
else:
|
||||
return None
|
||||
|
||||
|
||||
# operation should be edit, add and remove
|
||||
def modify_dvs_host(dv_switch, host, operation, uplink_portgroup=None, vmnics=None):
|
||||
|
||||
spec = vim.DistributedVirtualSwitch.ConfigSpec()
|
||||
|
||||
spec.configVersion = dv_switch.config.configVersion
|
||||
spec.host = [vim.dvs.HostMember.ConfigSpec()]
|
||||
spec.host[0].operation = operation
|
||||
spec.host[0].host = host
|
||||
|
||||
if operation in ("edit", "add"):
|
||||
spec.host[0].backing = vim.dvs.HostMember.PnicBacking()
|
||||
count = 0
|
||||
|
||||
for nic in 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 = uplink_portgroup.key
|
||||
count += 1
|
||||
|
||||
task = dv_switch.ReconfigureDvs_Task(spec)
|
||||
changed, result = wait_for_task(task)
|
||||
return changed, result
|
||||
|
||||
|
||||
def state_destroy_dvs_host(module):
|
||||
|
||||
operation = "remove"
|
||||
host = module.params['host']
|
||||
dv_switch = module.params['dv_switch']
|
||||
|
||||
changed = True
|
||||
result = None
|
||||
|
||||
if not module.check_mode:
|
||||
changed, result = modify_dvs_host(dv_switch, host, operation)
|
||||
module.exit_json(changed=changed, result=str(result))
|
||||
|
||||
|
||||
def state_exit_unchanged(module):
|
||||
module.exit_json(changed=False)
|
||||
|
||||
|
||||
def state_update_dvs_host(module):
|
||||
dv_switch = module.params['dv_switch']
|
||||
uplink_portgroup = module.params['uplink_portgroup']
|
||||
vmnics = module.params['vmnics']
|
||||
host = module.params['host']
|
||||
operation = "edit"
|
||||
changed = True
|
||||
result = None
|
||||
|
||||
if not module.check_mode:
|
||||
changed, result = modify_dvs_host(dv_switch, host, operation, uplink_portgroup, vmnics)
|
||||
module.exit_json(changed=changed, result=str(result))
|
||||
|
||||
|
||||
def state_create_dvs_host(module):
|
||||
dv_switch = module.params['dv_switch']
|
||||
uplink_portgroup = module.params['uplink_portgroup']
|
||||
vmnics = module.params['vmnics']
|
||||
host = module.params['host']
|
||||
operation = "add"
|
||||
changed = True
|
||||
result = None
|
||||
|
||||
if not module.check_mode:
|
||||
changed, result = modify_dvs_host(dv_switch, host, operation, uplink_portgroup, vmnics)
|
||||
module.exit_json(changed=changed, result=str(result))
|
||||
|
||||
|
||||
def find_host_attached_dvs(esxi_hostname, dv_switch):
|
||||
for dvs_host_member in dv_switch.config.host:
|
||||
if dvs_host_member.config.host.name == esxi_hostname:
|
||||
return dvs_host_member.config.host
|
||||
|
||||
return None
|
||||
|
||||
|
||||
def check_uplinks(dv_switch, host, vmnics):
|
||||
pnic_device = []
|
||||
|
||||
for dvs_host_member in dv_switch.config.host:
|
||||
if dvs_host_member.config.host == host:
|
||||
for pnicSpec in dvs_host_member.config.backing.pnicSpec:
|
||||
pnic_device.append(pnicSpec.pnicDevice)
|
||||
|
||||
return collections.Counter(pnic_device) == collections.Counter(vmnics)
|
||||
|
||||
|
||||
def check_dvs_host_state(module):
|
||||
|
||||
switch_name = module.params['switch_name']
|
||||
esxi_hostname = module.params['esxi_hostname']
|
||||
vmnics = module.params['vmnics']
|
||||
|
||||
content = connect_to_api(module)
|
||||
module.params['content'] = content
|
||||
|
||||
dv_switch = find_dvs_by_name(content, switch_name)
|
||||
|
||||
if dv_switch is None:
|
||||
raise Exception("A distributed virtual switch %s does not exist" % switch_name)
|
||||
|
||||
uplink_portgroup = find_dvs_uplink_pg(dv_switch)
|
||||
|
||||
if uplink_portgroup is None:
|
||||
raise Exception("An uplink portgroup does not exist on the distributed virtual switch %s" % switch_name)
|
||||
|
||||
module.params['dv_switch'] = dv_switch
|
||||
module.params['uplink_portgroup'] = uplink_portgroup
|
||||
|
||||
host = find_host_attached_dvs(esxi_hostname, dv_switch)
|
||||
|
||||
if host is None:
|
||||
# We still need the HostSystem object to add the host
|
||||
# to the distributed vswitch
|
||||
host = find_hostsystem_by_name(content, esxi_hostname)
|
||||
if host is None:
|
||||
module.fail_json(msg="The esxi_hostname %s does not exist in vCenter" % esxi_hostname)
|
||||
module.params['host'] = host
|
||||
return 'absent'
|
||||
else:
|
||||
module.params['host'] = host
|
||||
if check_uplinks(dv_switch, host, vmnics):
|
||||
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')
|
||||
|
||||
try:
|
||||
|
||||
dvs_host_states = {
|
||||
'absent': {
|
||||
'present': state_destroy_dvs_host,
|
||||
'absent': state_exit_unchanged,
|
||||
},
|
||||
'present': {
|
||||
'update': state_update_dvs_host,
|
||||
'present': state_exit_unchanged,
|
||||
'absent': state_create_dvs_host,
|
||||
}
|
||||
}
|
||||
|
||||
dvs_host_states[module.params['state']][check_dvs_host_state(module)](module)
|
||||
except vmodl.RuntimeFault as runtime_fault:
|
||||
module.fail_json(msg=runtime_fault.msg)
|
||||
except vmodl.MethodFault as method_fault:
|
||||
module.fail_json(msg=method_fault.msg)
|
||||
except Exception as e:
|
||||
module.fail_json(msg=str(e))
|
||||
|
||||
from ansible.module_utils.vmware import *
|
||||
from ansible.module_utils.basic import *
|
||||
|
||||
if __name__ == '__main__':
|
||||
main()
|
Loading…
Reference in New Issue