def ValidateInstanceLocation(args):
"""Construct a Cloud SQL instance from command line args.
Args:
args: argparse.Namespace, The CLI arg namespace.
Raises:
RequiredArgumentException: Zone is required.
ConflictingArgumentsException: Zones in arguments belong to different
regions.
"""
if args.IsSpecified('secondary_zone') and not args.IsSpecified('zone'):
raise exceptions.RequiredArgumentException(
'--zone', '`--zone` is required if --secondary-zone is used '
'while creating an instance.')
if args.IsSpecified('secondary_zone') and args.IsSpecified('zone'):
if args.zone == args.secondary_zone:
raise exceptions.ConflictingArgumentsException(
'Zones in arguments --zone and --secondary-zone are identical.'
)
region_from_zone = api_util.GetRegionFromZone(args.zone)
region_from_secondary_zone = api_util.GetRegionFromZone(
args.secondary_zone)
if region_from_zone != region_from_secondary_zone:
raise exceptions.ConflictingArgumentsException(
'Zones in arguments --zone and --secondary-zone '
'belong to different regions.')
def Region(specified_region, gce_zone, secondary_zone=None):
"""Generates the region string for the instance.
Args:
specified_region: string, the GCE region to create the instance in.
gce_zone: string, the GCE zone to create the instance in.
secondary_zone: string, the GCE zone to create the standby instance in.
Returns:
string, the region to create the instance in.
"""
if gce_zone and secondary_zone:
region_from_zone = api_util.GetRegionFromZone(gce_zone)
region_from_secondary_zone = api_util.GetRegionFromZone(secondary_zone)
if region_from_zone != region_from_secondary_zone:
raise exceptions.ConflictingArgumentsException(
'Zones in arguments --zone and --secondary-zone '
'belong to different regions.')
if gce_zone:
derived_region = api_util.GetRegionFromZone(gce_zone)
return derived_region
return specified_region
def Region(specified_region, gce_zone):
"""Generates the region string for the instance.
Args:
specified_region: string, the GCE region to create the instance in.
gce_zone: string, the GCE zone to create the instance in.
Returns:
string, the region to create the instance in.
"""
if gce_zone:
derived_region = api_util.GetRegionFromZone(gce_zone)
return derived_region
return specified_region
def testGetRegionFromZone(self, zone, derived_region):
self.assertEqual(instances_util.GetRegionFromZone(zone),
derived_region)