def execute(configurations={}, parameters={}, host_name=None):
BASE_URL = "http://{0}:{1}/pxf/".format(host_name, PXF_PORT)
try:
# Get delegation token if security is enabled
if CLUSTER_ENV_SECURITY in configurations and configurations[
CLUSTER_ENV_SECURITY].lower() == "true":
if 'dfs.nameservices' in configurations[HDFS_SITE]:
namenode_address = get_active_namenode(
ConfigDictionary(configurations[HDFS_SITE]),
configurations[CLUSTER_ENV_SECURITY],
configurations[HADOOP_ENV_HDFS_USER])[1]
else:
namenode_address = configurations[HDFS_SITE][
'dfs.namenode.http-address']
token = _get_delegation_token(
namenode_address, configurations[HADOOP_ENV_HDFS_USER],
configurations[HADOOP_ENV_HDFS_USER_KEYTAB],
configurations[HADOOP_ENV_HDFS_PRINCIPAL_NAME], None)
commonPXFHeaders.update({"X-GP-TOKEN": token})
if _get_pxf_protocol_version(BASE_URL).startswith("v"):
return (RESULT_STATE_OK, ['PXF is functional'])
message = "Unable to determine PXF version"
logger.exception(message)
raise Exception(message)
except Exception as e:
message = 'PXF is not functional on host, {0}: {1}'.format(
host_name, e)
logger.exception(message)
return (RESULT_STATE_WARNING, [message])
is_hive_installed = default("/clusterHostInfo/hive_server_hosts",
None) is not None
# HDFS
hdfs_site = config['configurations']['hdfs-site']
default_fs = config['configurations']['core-site']['fs.defaultFS']
namenode_path = default('/configurations/hdfs-site/dfs.namenode.http-address',
None)
dfs_nameservice = default(
'/configurations/hdfs-site/dfs.internal.nameservices', None)
if dfs_nameservice is None:
dfs_nameservice = default('/configurations/hdfs-site/dfs.nameservices',
None)
if dfs_nameservice:
namenode_path = get_active_namenode(hdfs_site, security_enabled,
hdfs_user)[1]
# keytabs and principals
kinit_path_local = get_kinit_path(
default('/configurations/kerberos-env/executable_search_paths', None))
hdfs_user_keytab = default('configurations/hadoop-env/hdfs_user_keytab', None)
hdfs_principal_name = default('configurations/hadoop-env/hdfs_principal_name',
None)
hbase_user_keytab = default('configurations/hbase-env/hbase_user_keytab', None)
hbase_principal_name = default('configurations/hbase-env/hbase_principal_name',
None)
dfs_type = default("/clusterLevelParams/dfs_type", "")
# HDFSResource partial function
HdfsResource = functools.partial(HdfsResource,
user=hdfs_user,