def GetAutoscalerResource(self, igm_ref, args):
if _IsZonalGroup(igm_ref):
scope_name = igm_ref.zone
scope_type = 'zone'
zones, regions = [scope_name], None
else:
scope_name = igm_ref.region
scope_type = 'region'
zones, regions = None, [scope_name]
autoscaler = managed_instance_groups_utils.AutoscalerForMig(
mig_name=args.name,
autoscalers=managed_instance_groups_utils.AutoscalersForLocations(
regions=regions,
zones=zones,
project=self.project,
compute=self.compute,
http=self.http,
batch_url=self.batch_url),
project=self.project,
scope_name=scope_name,
scope_type=scope_type)
if autoscaler is None:
raise managed_instance_groups_utils.ResourceNotFoundException(
'The managed instance group is not autoscaled.')
return autoscaler
def CreateRequests(self, args):
igm_ref = self.CreateZonalReference(
args.name, args.zone, resource_type='instanceGroupManagers')
# We need the zone name, which might have been passed after prompting.
# In that case, we get it from the reference.
zone = args.zone or igm_ref.zone
managed_instance_groups_utils.AssertInstanceGroupManagerExists(
igm_ref, self.project, self.messages, self.compute, self.http,
self.batch_url)
autoscaler = managed_instance_groups_utils.AutoscalerForMig(
mig_name=args.name,
autoscalers=managed_instance_groups_utils.AutoscalersForZones(
zones=[zone],
project=self.project,
compute=self.compute,
http=self.http,
batch_url=self.batch_url),
project=self.project,
zone=zone)
if autoscaler is None:
raise managed_instance_groups_utils.ResourceNotFoundException(
'The managed instance group is not autoscaled.')
as_ref = self.CreateZonalReference(autoscaler.name, zone)
request = self.messages.ComputeAutoscalersDeleteRequest(
project=self.project)
request.zone = zone
request.autoscaler = as_ref.Name()
return (request, )
def check_if_instance_config_exists(self,
igm_ref,
instance_ref,
should_exist=True):
"""Checks if instance config exists for given instance reference."""
per_instance_config = self.get_instance_config(
igm_ref=igm_ref, instance_ref=instance_ref)
if should_exist:
if per_instance_config is None:
raise managed_instance_groups_utils.ResourceNotFoundException(
'Instance config for {instance} does not exist'.format(
instance=instance_ref.SelfLink()))
else:
if per_instance_config is not None:
raise managed_instance_groups_utils.ResourceAlreadyExistsException(
'Instance config for {instance} already exists'.format(
instance=instance_ref.SelfLink()))
def GetAutoscalerResource(self, client, resources, igm_ref, args):
if _IsZonalGroup(igm_ref):
scope_type = 'zone'
location = managed_instance_groups_utils.CreateZoneRef(
resources, igm_ref)
zones, regions = [location], None
else:
scope_type = 'region'
location = managed_instance_groups_utils.CreateRegionRef(
resources, igm_ref)
zones, regions = None, [location]
autoscaler = managed_instance_groups_utils.AutoscalerForMig(
mig_name=args.name,
autoscalers=managed_instance_groups_utils.AutoscalersForLocations(
regions=regions, zones=zones, client=client),
location=location,
scope_type=scope_type)
if autoscaler is None:
raise managed_instance_groups_utils.ResourceNotFoundException(
'The managed instance group is not autoscaled.')
return autoscaler