def start(self, env, upgrade_type=None):
import params
env.set_params(params)
self.configure(env)
daemon_cmd = format('source {params.conf_dir}/atlas-env.sh ; {params.metadata_start_script}')
no_op_test = format('ls {params.pid_file} >/dev/null 2>&1 && ps -p `cat {params.pid_file}` >/dev/null 2>&1')
atlas_hbase_setup_command = format("cat {atlas_hbase_setup} | hbase shell -n")
secure_atlas_hbase_setup_command = format("kinit -kt {hbase_user_keytab} {hbase_principal_name}; ") + atlas_hbase_setup_command
if params.stack_supports_atlas_ranger_plugin:
Logger.info('Atlas plugin is enabled, configuring Atlas plugin.')
setup_ranger_atlas(upgrade_type=upgrade_type)
else:
Logger.info('Atlas plugin is not supported or enabled.')
try:
effective_version = format_stack_version(params.version) if upgrade_type is not None else params.stack_version_formatted
if check_stack_feature(StackFeature.ATLAS_HBASE_SETUP, effective_version):
if params.security_enabled and params.has_hbase_master:
Execute(secure_atlas_hbase_setup_command,
tries = 5,
try_sleep = 10,
user=params.hbase_user
)
elif params.enable_ranger_hbase and not params.security_enabled:
Execute(atlas_hbase_setup_command,
tries = 5,
try_sleep = 10,
user=params.hbase_user
)
Execute(daemon_cmd,
user=params.metadata_user,
not_if=no_op_test
)
except:
show_logs(params.log_dir, params.metadata_user)
raise
security_enabled = status_params.security_enabled
if security_enabled:
_hostname_lowercase = config['hostname'].lower()
_atlas_principal_name = config['configurations']['application-properties']['atlas.authentication.principal']
atlas_jaas_principal = _atlas_principal_name.replace('_HOST',_hostname_lowercase)
atlas_keytab_path = config['configurations']['application-properties']['atlas.authentication.keytab']
stack_name = status_params.stack_name
# New Cluster Stack Version that is defined during the RESTART of a Stack Upgrade
version = default("/commandParams/version", None)
# stack version
stack_version_unformatted = config['hostLevelParams']['stack_version']
stack_version_formatted = format_stack_version(stack_version_unformatted)
metadata_home = os.environ['METADATA_HOME_DIR'] if 'METADATA_HOME_DIR' in os.environ else format('{stack_root}/current/atlas-server')
metadata_bin = format("{metadata_home}/bin")
python_binary = os.environ['PYTHON_EXE'] if 'PYTHON_EXE' in os.environ else sys.executable
metadata_start_script = format("{metadata_bin}/atlas_start.py")
metadata_stop_script = format("{metadata_bin}/atlas_stop.py")
# metadata local directory structure
log_dir = config['configurations']['atlas-env']['metadata_log_dir']
conf_dir = status_params.conf_dir # "/etc/metadata/conf"
conf_file = status_params.conf_file
atlas_hbase_conf_dir = os.path.join(metadata_home, "hbase", "conf")
atlas_hbase_log_dir = os.path.join(metadata_home, "hbase", "logs")