version = default("/commandParams/version", None)
stack_name = status_params.stack_name
stack_name_uppercase = stack_name.upper()
upgrade_direction = default("/commandParams/upgrade_direction", None)
agent_stack_retry_on_unavailability = config['hostLevelParams'][
'agent_stack_retry_on_unavailability']
agent_stack_retry_count = expect("/hostLevelParams/agent_stack_retry_count",
int)
stack_root = status_params.stack_root
# The source stack will be present during a cross-stack upgrade.
# E.g., BigInsights-4.2.5 or HDP-2.6
source_stack = default("/commandParams/source_stack", None)
if source_stack is None:
source_stack = upgrade_summary.get_source_stack("OOZIE")
# This variable name is important, do not change
source_stack_name = get_stack_name(source_stack)
stack_version_unformatted = status_params.stack_version_unformatted
stack_version_formatted = status_params.stack_version_formatted
major_stack_version = get_major_version(stack_version_formatted)
version_for_stack_feature_checks = get_stack_feature_version(config)
hadoop_conf_dir = conf_select.get_hadoop_conf_dir()
hadoop_bin_dir = stack_select.get_hadoop_dir("bin")
hadoop_lib_home = stack_select.get_hadoop_dir("lib")
#spark_conf
spark_conf_dir = format("{stack_root}/current/spark-client/conf")
stack_supports_ranger_kerberos = check_stack_feature(
StackFeature.RANGER_KERBEROS_SUPPORT, version_for_stack_feature_checks)
stack_supports_ranger_audit_db = check_stack_feature(
StackFeature.RANGER_AUDIT_DB_SUPPORT, version_for_stack_feature_checks)
stack_supports_core_site_for_ranger_plugin = check_stack_feature(
StackFeature.CORE_SITE_FOR_RANGER_PLUGINS_SUPPORT,
version_for_stack_feature_checks)
# This is the version whose state is CURRENT. During an RU, this is the source version.
# DO NOT format it since we need the build number too.
upgrade_from_version = upgrade_summary.get_source_version()
source_stack = default("/commandParams/source_stack", None)
if source_stack is None:
source_stack = upgrade_summary.get_source_stack("KNOX")
source_stack_name = get_stack_name(source_stack)
if source_stack_name is not None and source_stack_name != stack_name:
source_stack_root = get_stack_root(
source_stack_name,
default('/configurations/cluster-env/stack_root', None))
else:
source_stack_root = stack_root
# server configurations
# Default value used in HDP 2.3.0.0 and earlier.
knox_data_dir = '/var/lib/knox/data'
# Important, it has to be strictly greater than 2.3.0.0!!!
Logger.info(format("Stack version to use is {version_formatted}"))
if version_formatted and check_stack_feature(