230 lines
8.4 KiB
Python
230 lines
8.4 KiB
Python
#
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# Copyright (c) 2018-2019 Wind River Systems, Inc.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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from sysinv.common import constants
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from sysinv.common import exception
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from sysinv.common.storage_backend_conf import StorageBackendConfig
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from sysinv.helm import common
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from sysinv.helm import openstack
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class CinderHelm(openstack.OpenstackBaseHelm):
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"""Class to encapsulate helm operations for the cinder chart"""
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CHART = common.HELM_CHART_CINDER
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SERVICE_NAME = common.HELM_CHART_CINDER
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SERVICE_TYPE = 'volume'
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AUTH_USERS = ['cinder']
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def get_overrides(self, namespace=None):
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overrides = {
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common.HELM_NS_OPENSTACK: {
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'pod': {
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'replicas': {
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'api': self._num_controllers(),
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'volume': self._num_controllers(),
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'scheduler': self._num_controllers(),
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'backup': self._num_controllers()
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}
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},
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'conf': {
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'cinder': self._get_conf_cinder_overrides(),
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'ceph': self._get_conf_ceph_overrides(),
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'backends': self._get_conf_backends_overrides(),
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},
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'endpoints': self._get_endpoints_overrides(),
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'ceph_client': self._get_ceph_client_overrides()
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}
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}
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if namespace in self.SUPPORTED_NAMESPACES:
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return overrides[namespace]
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elif namespace:
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raise exception.InvalidHelmNamespace(chart=self.CHART,
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namespace=namespace)
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else:
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return overrides
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def _get_conf_ceph_overrides(self):
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ceph_backend = self._get_primary_ceph_backend()
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if not ceph_backend:
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return {}
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primary_tier_name =\
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constants.SB_TIER_DEFAULT_NAMES[constants.SB_TIER_TYPE_CEPH]
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replication, min_replication =\
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StorageBackendConfig.get_ceph_pool_replication(self.dbapi)
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pools = {}
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for backend in self.dbapi.storage_ceph_get_list():
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if backend.tier_name == primary_tier_name:
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pool_name = constants.CEPH_POOL_VOLUMES_NAME
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else:
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pool_name = "%s-%s" % (constants.CEPH_POOL_VOLUMES_NAME,
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backend.tier_name)
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rule_name = "{0}{1}{2}".format(
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backend.tier_name, constants.CEPH_CRUSH_TIER_SUFFIX,
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"-ruleset").replace('-', '_')
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pool = {
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'replication': replication,
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'crush_rule': rule_name.encode('utf8', 'strict'),
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'chunk_size': constants.CEPH_POOL_VOLUMES_CHUNK_SIZE,
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'app_name': constants.CEPH_POOL_VOLUMES_APP_NAME
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}
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pools[pool_name.encode('utf8', 'strict')] = pool
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if backend.name == constants.SB_DEFAULT_NAMES[constants.SB_TYPE_CEPH]:
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# Backup uses the same replication and crush rule as
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# the default storage backend
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pools['backup'] = dict(pool)
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return {
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'monitors': self._get_formatted_ceph_monitor_ips(),
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'admin_keyring': 'null',
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'pools': pools
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}
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def _get_conf_cinder_overrides(self):
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# Get all the internal CEPH backends.
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backends = self.dbapi.storage_backend_get_list_by_type(
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backend_type=constants.SB_TYPE_CEPH)
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conf_cinder = {
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'DEFAULT': {
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'enabled_backends': ','.join(
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str(b.name.encode('utf8', 'strict').decode('utf-8')) for b in backends)
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},
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}
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# Always set the default_volume_type to the volume type associated with the
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# primary Ceph backend/tier which is available on all StarlingX platform
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# configurations. This will guarantee that any Cinder API requests for
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# this value will be fulfilled as part of determining a safe volume type to
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# use during volume creation. This can be overrides by the user when/if
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# additional backends are added to the platform.
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default = next(
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(b.name for b in backends
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if b.name == constants.SB_DEFAULT_NAMES[constants.SB_TYPE_CEPH]), None)
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if default:
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conf_cinder['DEFAULT']['default_volume_type'] = \
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default.encode('utf8', 'strict')
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return conf_cinder
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def _get_conf_backends_overrides(self):
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conf_backends = {}
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# We don't use the chart's default backends.
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conf_backends['rbd1'] = ""
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# Get tier info.
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tiers = self.dbapi.storage_tier_get_list()
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primary_tier_name =\
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constants.SB_TIER_DEFAULT_NAMES[constants.SB_TIER_TYPE_CEPH]
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# We support primary and secondary CEPH tiers.
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backends = self.dbapi.storage_backend_get_list_by_type(
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backend_type=constants.SB_TYPE_CEPH)
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# No data if there are no CEPH backends.
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if not backends:
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return {}
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for bk in backends:
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bk_name = bk.name.encode('utf8', 'strict')
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tier = next((t for t in tiers if t.forbackendid == bk.id), None)
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if not tier:
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raise Exception("No tier present for backend %s" % bk_name)
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if tier.name == primary_tier_name:
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rbd_pool = constants.CEPH_POOL_VOLUMES_NAME
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else:
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rbd_pool = "%s-%s" % (constants.CEPH_POOL_VOLUMES_NAME,
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tier.name)
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conf_backends[bk_name] = {
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'image_volume_cache_enabled': 'True',
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'volume_backend_name': bk_name,
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'volume_driver': 'cinder.volume.drivers.rbd.RBDDriver',
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'rbd_pool': rbd_pool.encode('utf8', 'strict'),
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'rbd_user': 'cinder',
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'rbd_ceph_conf':
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(constants.CEPH_CONF_PATH +
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constants.SB_TYPE_CEPH_CONF_FILENAME),
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}
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return conf_backends
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def _get_endpoints_overrides(self):
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return {
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'identity': {
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'auth':
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self._get_endpoints_identity_overrides(
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self.SERVICE_NAME, self.AUTH_USERS),
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},
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'oslo_db': {
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'auth': self._get_endpoints_oslo_db_overrides(
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self.SERVICE_NAME, self.AUTH_USERS)
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},
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'oslo_cache': {
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'auth': {
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'memcache_secret_key':
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self._get_common_password('auth_memcache_key')
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}
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},
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'oslo_messaging': {
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'auth': self._get_endpoints_oslo_messaging_overrides(
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self.SERVICE_NAME, self.AUTH_USERS)
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},
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'volume': {
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'host_fqdn_override':
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self._get_endpoints_host_fqdn_overrides(
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self.SERVICE_NAME),
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'port': self._get_endpoints_port_api_public_overrides(),
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'scheme': self._get_endpoints_scheme_public_overrides(),
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},
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'volumev2': {
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'host_fqdn_override':
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self._get_endpoints_host_fqdn_overrides(
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self.SERVICE_NAME),
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'port': self._get_endpoints_port_api_public_overrides(),
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'scheme': self._get_endpoints_scheme_public_overrides(),
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},
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'volumev3': {
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'host_fqdn_override':
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self._get_endpoints_host_fqdn_overrides(
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self.SERVICE_NAME),
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'port': self._get_endpoints_port_api_public_overrides(),
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'scheme': self._get_endpoints_scheme_public_overrides(),
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},
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}
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def _get_primary_ceph_backend(self):
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try:
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backend = self.dbapi.storage_backend_get_by_name(
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constants.SB_DEFAULT_NAMES[constants.SB_TYPE_CEPH])
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except Exception:
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backend = None
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pass
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return backend
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def get_region_name(self):
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return self._get_service_region_name(self.SERVICE_NAME)
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def get_service_name_v2(self):
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return self._get_configured_service_name(self.SERVICE_NAME, 'v2')
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def get_service_type_v2(self):
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service_type = self._get_configured_service_type(
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self.SERVICE_NAME, 'v2')
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if service_type is None:
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return self.SERVICE_TYPE + 'v2'
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else:
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return service_type
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