@ -7,6 +7,7 @@
# 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 = {
@ -65,19 +66,66 @@ options:
type : str
choices : [ ' vmAndAppMonitoring ' , ' vmMonitoringOnly ' , ' vmMonitoringDisabled ' ]
default : ' vmMonitoringDisabled '
h a_failover_level :
h ost_isolation_response :
description :
- Number of host failures that should be tolerated , still guaranteeing sufficient resources to
restart virtual machines on available hosts .
- Accepts integer values only .
type : int
default : 2
ha_admission_control_enabled :
- Indicates whether or VMs should be powered off if a host determines that it is isolated from the rest of the compute resource .
- If set to C ( none ) , do not power off VMs in the event of a host network isolation .
- If set to C ( powerOff ) , power off VMs in the event of a host network isolation .
- If set to C ( shutdown ) , shut down VMs guest operating system in the event of a host network isolation .
type : str
choices : [ ' none ' , ' powerOff ' , ' shutdown ' ]
default : ' none '
slot_based_admission_control :
description :
- Determines if strict admission control is enabled .
- It is recommended to set this parameter to C ( True ) , please refer documentation for more details .
default : True
type : bool
- Configure slot based admission control policy .
- C ( slot_based_admission_control ) , C ( reservation_based_admission_control ) and C ( failover_host_admission_control ) are mutually exclusive .
suboptions :
failover_level :
description :
- Number of host failures that should be tolerated .
type : int
required : true
type : dict
reservation_based_admission_control :
description :
- Configure reservation based admission control policy .
- C ( slot_based_admission_control ) , C ( reservation_based_admission_control ) and C ( failover_host_admission_control ) are mutually exclusive .
suboptions :
failover_level :
description :
- Number of host failures that should be tolerated .
type : int
required : true
auto_compute_percentages :
description :
- By default , C ( failover_level ) is used to calculate C ( cpu_failover_resources_percent ) and C ( memory_failover_resources_percent ) .
If a user wants to override the percentage values , he has to set this field to false .
type : bool
default : true
cpu_failover_resources_percent :
description :
- Percentage of CPU resources in the cluster to reserve for failover .
Ignored if C ( auto_compute_percentages ) is not set to false .
type : int
default : 50
memory_failover_resources_percent :
description :
- Percentage of memory resources in the cluster to reserve for failover .
Ignored if C ( auto_compute_percentages ) is not set to false .
type : int
default : 50
type : dict
failover_host_admission_control :
description :
- Configure dedicated failover hosts .
- C ( slot_based_admission_control ) , C ( reservation_based_admission_control ) and C ( failover_host_admission_control ) are mutually exclusive .
suboptions :
failover_hosts :
description :
- List of dedicated failover hosts .
type : list
required : true
type : dict
ha_vm_failure_interval :
description :
- The number of seconds after which virtual machine is declared as failed
@ -129,7 +177,7 @@ extends_documentation_fragment: vmware.documentation
'''
EXAMPLES = r """
- name : Enable HA
- name : Enable HA without admission control
vmware_cluster_ha :
hostname : ' {{ vcenter_hostname }} '
username : ' {{ vcenter_username }} '
@ -139,7 +187,7 @@ EXAMPLES = r"""
enable_ha : yes
delegate_to : localhost
- name : Enable HA and VM monitoring
- name : Enable HA and VM monitoring without admission control
vmware_cluster_ha :
hostname : " {{ vcenter_hostname }} "
username : " {{ vcenter_username }} "
@ -151,6 +199,21 @@ EXAMPLES = r"""
ha_vm_monitoring : vmMonitoringOnly
enable_vsan : True
delegate_to : localhost
- name : Enable HA with admission control reserving 50 % of resources for HA
vmware_cluster_ha :
hostname : ' {{ vcenter_hostname }} '
username : ' {{ vcenter_username }} '
password : ' {{ vcenter_password }} '
datacenter_name : datacenter
cluster_name : cluster
enable_ha : yes
reservation_based_admission_control :
auto_compute_percentages : False
failover_level : 1
cpu_failover_resources_percent : 50
memory_failover_resources_percent : 50
delegate_to : localhost
"""
RETURN = r """ #
@ -175,6 +238,15 @@ class VMwareCluster(PyVmomi):
self . enable_ha = module . params [ ' enable_ha ' ]
self . datacenter = None
self . cluster = None
self . host_isolation_response = getattr ( vim . cluster . DasVmSettings . IsolationResponse , self . params . get ( ' host_isolation_response ' ) )
if self . enable_ha and (
self . params . get ( ' slot_based_admission_control ' ) or
self . params . get ( ' reservation_based_admission_control ' ) or
self . params . get ( ' failover_host_admission_control ' ) ) :
self . ha_admission_control = True
else :
self . ha_admission_control = False
self . datacenter = find_datacenter_by_name ( self . content , self . datacenter_name )
if self . datacenter is None :
@ -184,6 +256,23 @@ class VMwareCluster(PyVmomi):
if self . cluster is None :
self . module . fail_json ( msg = " Cluster %s does not exist. " % self . cluster_name )
def get_failover_hosts ( self ) :
"""
Get failover hosts for failover_host_admission_control policy
Returns : List of ESXi hosts sorted by name
"""
policy = self . params . get ( ' failover_host_admission_control ' )
hosts = [ ]
all_hosts = dict ( ( h . name , h ) for h in self . get_all_hosts_by_cluster ( self . cluster_name ) )
for host in policy . get ( ' failover_hosts ' ) :
if host in all_hosts :
hosts . append ( all_hosts . get ( host ) )
else :
self . module . fail_json ( msg = " Host %s is not a member of cluster %s . " % ( host , self . cluster_name ) )
hosts . sort ( key = lambda h : h . name )
return hosts
def check_ha_config_diff ( self ) :
"""
Check HA configuration diff
@ -191,19 +280,47 @@ class VMwareCluster(PyVmomi):
"""
das_config = self . cluster . configurationEx . dasConfig
if das_config . enabled != self . enable_ha or \
das_config . admissionControlPolicy . failoverLevel != self . params . get ( ' ha_failover_level ' ) or \
das_config . vmMonitoring != self . params . get ( ' ha_vm_monitoring ' ) or \
das_config . hostMonitoring != self . params . get ( ' ha_host_monitoring ' ) or \
das_config . admissionControlPolicy . failoverLevel != self . params . get ( ' ha_failover_level ' ) or \
das_config . admissionControlEnabled != self . params . get ( ' ha_admission_control_enabled ' ) or \
das_config . defaultVmSettings . restartPriority != self . params . get ( ' ha_restart_priority ' ) or \
das_config . defaultVmSettings . vmToolsMonitoringSettings . vmMonitoring != self . params . get ( ' ha_vm_monitoring ' ) or \
das_config . defaultVmSettings . vmToolsMonitoringSettings . failureInterval != self . params . get ( ' ha_vm_failure_interval ' ) or \
das_config . defaultVmSettings . vmToolsMonitoringSettings . minUpTime != self . params . get ( ' ha_vm_min_up_time ' ) or \
das_config . defaultVmSettings . vmToolsMonitoringSettings . maxFailures != self . params . get ( ' ha_vm_max_failures ' ) or \
das_config . defaultVmSettings . vmToolsMonitoringSettings . maxFailureWindow != self . params . get ( ' ha_vm_max_failure_window ' ) :
if das_config . enabled != self . enable_ha :
return True
if self . enable_ha and (
das_config . vmMonitoring != self . params . get ( ' ha_vm_monitoring ' ) or
das_config . hostMonitoring != self . params . get ( ' ha_host_monitoring ' ) or
das_config . admissionControlEnabled != self . ha_admission_control or
das_config . defaultVmSettings . restartPriority != self . params . get ( ' ha_restart_priority ' ) or
das_config . defaultVmSettings . isolationResponse != self . host_isolation_response or
das_config . defaultVmSettings . vmToolsMonitoringSettings . vmMonitoring != self . params . get ( ' ha_vm_monitoring ' ) or
das_config . defaultVmSettings . vmToolsMonitoringSettings . failureInterval != self . params . get ( ' ha_vm_failure_interval ' ) or
das_config . defaultVmSettings . vmToolsMonitoringSettings . minUpTime != self . params . get ( ' ha_vm_min_up_time ' ) or
das_config . defaultVmSettings . vmToolsMonitoringSettings . maxFailures != self . params . get ( ' ha_vm_max_failures ' ) or
das_config . defaultVmSettings . vmToolsMonitoringSettings . maxFailureWindow != self . params . get ( ' ha_vm_max_failure_window ' ) ) :
return True
if self . ha_admission_control :
if self . params . get ( ' slot_based_admission_control ' ) :
policy = self . params . get ( ' slot_based_admission_control ' )
if not isinstance ( das_config . admissionControlPolicy , vim . cluster . FailoverLevelAdmissionControlPolicy ) or \
das_config . admissionControlPolicy . failoverLevel != policy . get ( ' failover_level ' ) :
return True
elif self . params . get ( ' reservation_based_admission_control ' ) :
policy = self . params . get ( ' reservation_based_admission_control ' )
auto_compute_percentages = policy . get ( ' auto_compute_percentages ' )
if not isinstance ( das_config . admissionControlPolicy , vim . cluster . FailoverResourcesAdmissionControlPolicy ) or \
das_config . admissionControlPolicy . autoComputePercentages != auto_compute_percentages or \
das_config . admissionControlPolicy . failoverLevel != policy . get ( ' failover_level ' ) :
return True
if not auto_compute_percentages :
if das_config . admissionControlPolicy . cpuFailoverResourcesPercent != policy . get ( ' cpu_failover_resources_percent ' ) or \
das_config . admissionControlPolicy . memoryFailoverResourcesPercent != policy . get ( ' memory_failover_resources_percent ' ) :
return True
elif self . params . get ( ' failover_host_admission_control ' ) :
policy = self . params . get ( ' failover_host_admission_control ' )
if not isinstance ( das_config . admissionControlPolicy , vim . cluster . FailoverHostAdmissionControlPolicy ) :
return True
das_config . admissionControlPolicy . failoverHosts . sort ( key = lambda h : h . name )
if das_config . admissionControlPolicy . failoverHosts != self . get_failover_hosts ( ) :
return True
return False
def configure_ha ( self ) :
@ -218,15 +335,11 @@ class VMwareCluster(PyVmomi):
cluster_config_spec = vim . cluster . ConfigSpecEx ( )
cluster_config_spec . dasConfig = vim . cluster . DasConfigInfo ( )
cluster_config_spec . dasConfig . enabled = self . enable_ha
cluster_config_spec . dasConfig . admissionControlPolicy = vim . cluster . FailoverLevelAdmissionControlPolicy ( )
cluster_config_spec . dasConfig . admissionControlPolicy . failoverLevel = self . params . get ( ' ha_failover_level ' )
ha_vm_monitoring = self . params . get ( ' ha_vm_monitoring ' )
das_vm_config = None
if ha_vm_monitoring in [ ' vmMonitoringOnly ' , ' vmAndAppMonitoring ' ] :
if self . enable_ha :
vm_tool_spec = vim . cluster . VmToolsMonitoringSettings ( )
vm_tool_spec . enabled = True
vm_tool_spec . vmMonitoring = ha_vm_monitoring
vm_tool_spec . vmMonitoring = self . params . get( ' ha_vm_monitoring' )
vm_tool_spec . failureInterval = self . params . get ( ' ha_vm_failure_interval ' )
vm_tool_spec . minUpTime = self . params . get ( ' ha_vm_min_up_time ' )
vm_tool_spec . maxFailures = self . params . get ( ' ha_vm_max_failures ' )
@ -234,14 +347,36 @@ class VMwareCluster(PyVmomi):
das_vm_config = vim . cluster . DasVmSettings ( )
das_vm_config . restartPriority = self . params . get ( ' ha_restart_priority ' )
das_vm_config . isolationResponse = Non e
das_vm_config . isolationResponse = self . host_isolation_respons e
das_vm_config . vmToolsMonitoringSettings = vm_tool_spec
cluster_config_spec . dasConfig . defaultVmSettings = das_vm_config
cluster_config_spec . dasConfig . admissionControlEnabled = self . ha_admission_control
cluster_config_spec . dasConfig . admissionControlEnabled = self . params . get ( ' ha_admission_control_enabled ' )
if self . ha_admission_control :
if self . params . get ( ' slot_based_admission_control ' ) :
cluster_config_spec . dasConfig . admissionControlPolicy = vim . cluster . FailoverLevelAdmissionControlPolicy ( )
policy = self . params . get ( ' slot_based_admission_control ' )
cluster_config_spec . dasConfig . admissionControlPolicy . failoverLevel = policy . get ( ' failover_level ' )
elif self . params . get ( ' reservation_based_admission_control ' ) :
cluster_config_spec . dasConfig . admissionControlPolicy = vim . cluster . FailoverResourcesAdmissionControlPolicy ( )
policy = self . params . get ( ' reservation_based_admission_control ' )
auto_compute_percentages = policy . get ( ' auto_compute_percentages ' )
cluster_config_spec . dasConfig . admissionControlPolicy . autoComputePercentages = auto_compute_percentages
cluster_config_spec . dasConfig . admissionControlPolicy . failoverLevel = policy . get ( ' failover_level ' )
if not auto_compute_percentages :
cluster_config_spec . dasConfig . admissionControlPolicy . cpuFailoverResourcesPercent = \
policy . get ( ' cpu_failover_resources_percent ' )
cluster_config_spec . dasConfig . admissionControlPolicy . memoryFailoverResourcesPercent = \
policy . get ( ' memory_failover_resources_percent ' )
elif self . params . get ( ' failover_host_admission_control ' ) :
cluster_config_spec . dasConfig . admissionControlPolicy = vim . cluster . FailoverHostAdmissionControlPolicy ( )
policy = self . params . get ( ' failover_host_admission_control ' )
cluster_config_spec . dasConfig . admissionControlPolicy . failoverHosts = self . get_failover_hosts ( )
cluster_config_spec . dasConfig . hostMonitoring = self . params . get ( ' ha_host_monitoring ' )
cluster_config_spec . dasConfig . vmMonitoring = ha_vm_monitoring
cluster_config_spec . dasConfig . defaultVmSettings = das_vm_config
cluster_config_spec . dasConfig . vmMonitoring = self . params . get( ' ha_vm_monitoring' )
try :
task = self . cluster . ReconfigureComputeResource_Task ( cluster_config_spec , True )
changed , result = wait_for_task ( task )
@ -267,10 +402,12 @@ def main():
datacenter = dict ( type = ' str ' , required = True , aliases = [ ' datacenter_name ' ] ) ,
# HA
enable_ha = dict ( type = ' bool ' , default = False ) ,
ha_failover_level = dict ( type = ' int ' , default = 2 ) ,
ha_host_monitoring = dict ( type = ' str ' ,
default = ' enabled ' ,
choices = [ ' enabled ' , ' disabled ' ] ) ,
host_isolation_response = dict ( type = ' str ' ,
default = ' none ' ,
choices = [ ' none ' , ' powerOff ' , ' shutdown ' ] ) ,
# HA VM Monitoring related parameters
ha_vm_monitoring = dict ( type = ' str ' ,
choices = [ ' vmAndAppMonitoring ' , ' vmMonitoringOnly ' , ' vmMonitoringDisabled ' ] ,
@ -283,12 +420,27 @@ def main():
ha_restart_priority = dict ( type = ' str ' ,
choices = [ ' high ' , ' low ' , ' medium ' , ' disabled ' ] ,
default = ' medium ' ) ,
ha_admission_control_enabled = dict ( type = ' bool ' , default = True ) ,
# HA Admission Control related parameters
slot_based_admission_control = dict ( type = ' dict ' , options = dict (
failover_level = dict ( type = ' int ' , required = True ) ,
) ) ,
reservation_based_admission_control = dict ( type = ' dict ' , options = dict (
auto_compute_percentages = dict ( type = ' bool ' , default = True ) ,
failover_level = dict ( type = ' int ' , required = True ) ,
cpu_failover_resources_percent = dict ( type = ' int ' , default = 50 ) ,
memory_failover_resources_percent = dict ( type = ' int ' , default = 50 ) ,
) ) ,
failover_host_admission_control = dict ( type = ' dict ' , options = dict (
failover_hosts = dict ( type = ' list ' , elements = ' str ' , required = True ) ,
) ) ,
) )
module = AnsibleModule (
argument_spec = argument_spec ,
supports_check_mode = True ,
mutually_exclusive = [
[ ' slot_based_admission_control ' , ' reservation_based_admission_control ' , ' failover_host_admission_control ' ]
]
)
vmware_cluster_ha = VMwareCluster ( module )