本文整理汇总了Python中impala.conf.IMPERSONATION_ENABLED类的典型用法代码示例。如果您正苦于以下问题：Python IMPERSONATION_ENABLED类的具体用法？Python IMPERSONATION_ENABLED怎么用？Python IMPERSONATION_ENABLED使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了IMPERSONATION_ENABLED类的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: get_query_server_config
def get_query_server_config(name='beeswax', server=None):
if name == 'impala':
from impala.conf import SERVER_HOST as IMPALA_SERVER_HOST, SERVER_PORT as IMPALA_SERVER_PORT, \
IMPALA_PRINCIPAL, IMPERSONATION_ENABLED, QUERYCACHE_ROWS, QUERY_TIMEOUT_S
query_server = {
'server_name': 'impala',
'server_host': IMPALA_SERVER_HOST.get(),
'server_port': IMPALA_SERVER_PORT.get(),
'principal': IMPALA_PRINCIPAL.get(),
'impersonation_enabled': IMPERSONATION_ENABLED.get(),
'querycache_rows': QUERYCACHE_ROWS.get(),
'QUERY_TIMEOUT_S': QUERY_TIMEOUT_S.get(),
}
else:
kerberos_principal = hive_site.get_hiveserver2_kerberos_principal(HIVE_SERVER_HOST.get())
query_server = {
'server_name': 'beeswax', # Aka HiveServer2 now
'server_host': HIVE_SERVER_HOST.get(),
'server_port': HIVE_SERVER_PORT.get(),
'principal': kerberos_principal
}
LOG.debug("Query Server: %s" % query_server)
return query_server示例2: get_query_server_config
def get_query_server_config(name='beeswax', server=None):
if name == 'impala':
from impala.conf import SERVER_HOST as IMPALA_SERVER_HOST, SERVER_PORT as IMPALA_SERVER_PORT, \
IMPALA_PRINCIPAL, IMPERSONATION_ENABLED, QUERYCACHE_ROWS, QUERY_TIMEOUT_S
query_server = {
'server_name': 'impala',
'server_host': IMPALA_SERVER_HOST.get(),
'server_port': IMPALA_SERVER_PORT.get(),
'principal': IMPALA_PRINCIPAL.get(),
'impersonation_enabled': IMPERSONATION_ENABLED.get(),
'querycache_rows': QUERYCACHE_ROWS.get(),
'QUERY_TIMEOUT_S': QUERY_TIMEOUT_S.get(),
}
else:
kerberos_principal = hive_site.get_hiveserver2_kerberos_principal(HIVE_SERVER_HOST.get())
query_server = {
'server_name': 'beeswax', # Aka HiveServer2 now
'server_host': HIVE_SERVER_HOST.get(),
'server_port': HIVE_SERVER_PORT.get(),
'principal': kerberos_principal,
'http_url': '%(protocol)s://%(host)s:%(port)s/%(end_point)s' % {
'protocol': 'https' if hiveserver2_use_ssl() else 'http',
'host': HIVE_SERVER_HOST.get(),
'port': hive_site.hiveserver2_thrift_http_port(),
'end_point': hive_site.hiveserver2_thrift_http_path()
},
'transport_mode': 'http' if hive_site.hiveserver2_transport_mode() == 'HTTP' else 'socket',
}
LOG.debug("Query Server: %s" % query_server)
return query_server示例3: get_query_server_config
def get_query_server_config(name="beeswax", server=None):
if name == "impala":
from impala.conf import (
SERVER_HOST as IMPALA_SERVER_HOST,
SERVER_PORT as IMPALA_SERVER_PORT,
IMPALA_PRINCIPAL,
IMPERSONATION_ENABLED,
QUERYCACHE_ROWS,
QUERY_TIMEOUT_S,
AUTH_USERNAME as IMPALA_AUTH_USERNAME,
AUTH_PASSWORD as IMPALA_AUTH_PASSWORD,
)
query_server = {
"server_name": "impala",
"server_host": IMPALA_SERVER_HOST.get(),
"server_port": IMPALA_SERVER_PORT.get(),
"principal": IMPALA_PRINCIPAL.get(),
"impersonation_enabled": IMPERSONATION_ENABLED.get(),
"querycache_rows": QUERYCACHE_ROWS.get(),
"QUERY_TIMEOUT_S": QUERY_TIMEOUT_S.get(),
"auth_username": IMPALA_AUTH_USERNAME.get(),
"auth_password": IMPALA_AUTH_PASSWORD.get(),
}
else:
kerberos_principal = hive_site.get_hiveserver2_kerberos_principal(HIVE_SERVER_HOST.get())
query_server = {
"server_name": "beeswax", # Aka HiveServer2 now
"server_host": HIVE_SERVER_HOST.get(),
"server_port": HIVE_SERVER_PORT.get(),
"principal": kerberos_principal,
"http_url": "%(protocol)s://%(host)s:%(port)s/%(end_point)s"
% {
"protocol": "https" if hiveserver2_use_ssl() else "http",
"host": HIVE_SERVER_HOST.get(),
"port": hive_site.hiveserver2_thrift_http_port(),
"end_point": hive_site.hiveserver2_thrift_http_path(),
},
"transport_mode": "http" if hive_site.hiveserver2_transport_mode() == "HTTP" else "socket",
"auth_username": AUTH_USERNAME.get(),
"auth_password": AUTH_PASSWORD.get(),
}
if name == "sparksql": # Spark SQL is almost the same as Hive
from spark.conf import SQL_SERVER_HOST as SPARK_SERVER_HOST, SQL_SERVER_PORT as SPARK_SERVER_PORT
query_server.update(
{"server_name": "sparksql", "server_host": SPARK_SERVER_HOST.get(), "server_port": SPARK_SERVER_PORT.get()}
)
debug_query_server = query_server.copy()
debug_query_server["auth_password_used"] = bool(debug_query_server.pop("auth_password"))
LOG.debug("Query Server: %s" % debug_query_server)
return query_server示例4: get_query_server_config
def get_query_server_config(name='beeswax', server=None):
if name == 'impala':
from impala.conf import SERVER_HOST as IMPALA_SERVER_HOST, SERVER_PORT as IMPALA_SERVER_PORT, \
IMPALA_PRINCIPAL, IMPERSONATION_ENABLED, QUERYCACHE_ROWS, QUERY_TIMEOUT_S, AUTH_USERNAME as IMPALA_AUTH_USERNAME, AUTH_PASSWORD as IMPALA_AUTH_PASSWORD, \
SESSION_TIMEOUT_S
query_server = {
'server_name': 'impala',
'server_host': IMPALA_SERVER_HOST.get(),
'server_port': IMPALA_SERVER_PORT.get(),
'principal': IMPALA_PRINCIPAL.get(),
'impersonation_enabled': IMPERSONATION_ENABLED.get(),
'querycache_rows': QUERYCACHE_ROWS.get(),
'QUERY_TIMEOUT_S': QUERY_TIMEOUT_S.get(),
'SESSION_TIMEOUT_S': SESSION_TIMEOUT_S.get(),
'auth_username': IMPALA_AUTH_USERNAME.get(),
'auth_password': IMPALA_AUTH_PASSWORD.get()
}
else:
kerberos_principal = hive_site.get_hiveserver2_kerberos_principal(HIVE_SERVER_HOST.get())
query_server = {
'server_name': 'beeswax', # Aka HiveServer2 now
'server_host': HIVE_SERVER_HOST.get(),
'server_port': HIVE_SERVER_PORT.get(),
'principal': kerberos_principal,
'http_url': '%(protocol)s://%(host)s:%(port)s/%(end_point)s' % {
'protocol': 'https' if hiveserver2_use_ssl() else 'http',
'host': HIVE_SERVER_HOST.get(),
'port': hive_site.hiveserver2_thrift_http_port(),
'end_point': hive_site.hiveserver2_thrift_http_path()
},
'transport_mode': 'http' if hive_site.hiveserver2_transport_mode() == 'HTTP' else 'socket',
'auth_username': AUTH_USERNAME.get(),
'auth_password': AUTH_PASSWORD.get()
}
if name == 'sparksql': # Spark SQL is almost the same as Hive
from spark.conf import SQL_SERVER_HOST as SPARK_SERVER_HOST, SQL_SERVER_PORT as SPARK_SERVER_PORT
query_server.update({
'server_name': 'sparksql',
'server_host': SPARK_SERVER_HOST.get(),
'server_port': SPARK_SERVER_PORT.get()
})
debug_query_server = query_server.copy()
debug_query_server['auth_password_used'] = bool(debug_query_server.pop('auth_password'))
LOG.debug("Query Server: %s" % debug_query_server)
return query_server示例5: get_query_server_config
def get_query_server_config(name='beeswax', server=None):
if name == 'impala':
from impala.conf import SERVER_HOST as IMPALA_SERVER_HOST, SERVER_PORT as IMPALA_SERVER_PORT, \
IMPALA_PRINCIPAL, IMPERSONATION_ENABLED
query_server = {
'server_name': 'impala',
'server_host': IMPALA_SERVER_HOST.get(),
'server_port': IMPALA_SERVER_PORT.get(),
'principal': IMPALA_PRINCIPAL.get(),
'impersonation_enabled': IMPERSONATION_ENABLED.get()
}
elif name == 'rdbms':
from rdbms.conf import RDBMS
if not server or server not in RDBMS:
keys = RDBMS.keys()
name = keys and keys[0] or None
else:
name = server
if name:
query_server = {
'server_name': RDBMS[name].ENGINE.get().split('.')[-1],
'server_host': RDBMS[name].HOST.get(),
'server_port': RDBMS[name].PORT.get(),
'username': RDBMS[name].USER.get(),
'password': RDBMS[name].PASSWORD.get(),
'password': RDBMS[name].PASSWORD.get(),
'alias': name
}
else:
query_server = {}
else:
kerberos_principal = hive_site.get_hiveserver2_kerberos_principal(HIVE_SERVER_HOST.get())
query_server = {
'server_name': 'beeswax', # Aka HiveServer2 now
'server_host': HIVE_SERVER_HOST.get(),
'server_port': HIVE_SERVER_PORT.get(),
'principal': kerberos_principal
}
LOG.debug("Query Server: %s" % query_server)
return query_server示例6: _get_hdfs_root_destination
def _get_hdfs_root_destination(self, django_user, subdir=None):
fs = cluster.get_hdfs()
if self.app_name == 'impala':
# Because Impala does not have impersonation on by default, we use a public destination for the upload.
from impala.conf import IMPERSONATION_ENABLED
if not IMPERSONATION_ENABLED.get():
tmp_public = '/tmp/public_hue_examples'
if subdir:
tmp_public += '/%s' % subdir
fs.do_as_user(django_user, fs.mkdir, tmp_public, '0777')
hdfs_root_destination = tmp_public
else:
hdfs_root_destination = fs.do_as_user(django_user, fs.get_home_dir)
if subdir:
hdfs_root_destination += '/%s' % subdir
fs.do_as_user(django_user, fs.mkdir, hdfs_root_destination, '0777')
return hdfs_root_destination示例7: get_query_server_config
def get_query_server_config(name="beeswax", server=None):
if name == "impala":
from impala.conf import (
SERVER_HOST as IMPALA_SERVER_HOST,
SERVER_PORT as IMPALA_SERVER_PORT,
IMPALA_PRINCIPAL,
IMPERSONATION_ENABLED,
QUERYCACHE_ROWS,
QUERY_TIMEOUT_S,
)
query_server = {
"server_name": "impala",
"server_host": IMPALA_SERVER_HOST.get(),
"server_port": IMPALA_SERVER_PORT.get(),
"principal": IMPALA_PRINCIPAL.get(),
"impersonation_enabled": IMPERSONATION_ENABLED.get(),
"querycache_rows": QUERYCACHE_ROWS.get(),
"QUERY_TIMEOUT_S": QUERY_TIMEOUT_S.get(),
}
else:
kerberos_principal = hive_site.get_hiveserver2_kerberos_principal(HIVE_SERVER_HOST.get())
query_server = {
"server_name": "beeswax", # Aka HiveServer2 now
"server_host": HIVE_SERVER_HOST.get(),
"server_port": HIVE_SERVER_PORT.get(),
"principal": kerberos_principal,
"http_url": "%(protocol)s://%(host)s:%(port)s/%(end_point)s"
% {
"protocol": "https" if hiveserver2_use_ssl() else "http",
"host": HIVE_SERVER_HOST.get(),
"port": hive_site.hiveserver2_thrift_http_port(),
"end_point": hive_site.hiveserver2_thrift_http_path(),
},
"transport_mode": "http" if hive_site.hiveserver2_transport_mode() == "HTTP" else "socket",
}
LOG.debug("Query Server: %s" % query_server)
return query_server示例8: load
def load(self, django_user):
"""
Upload data to HDFS home of user then load (aka move) it into the Hive table (in the Hive metastore in HDFS).
"""
LOAD_HQL = \
"""
LOAD DATA INPATH
'%(filename)s' OVERWRITE INTO TABLE %(tablename)s
"""
fs = cluster.get_hdfs()
if self.app_name == 'impala':
# Because Impala does not have impersonation on by default, we use a public destination for the upload.
from impala.conf import IMPERSONATION_ENABLED
if not IMPERSONATION_ENABLED.get():
tmp_public = '/tmp/public_hue_examples'
fs.do_as_user(django_user, fs.mkdir, tmp_public, '0777')
hdfs_root_destination = tmp_public
else:
hdfs_root_destination = fs.do_as_user(django_user, fs.get_home_dir)
hdfs_destination = os.path.join(hdfs_root_destination, self.name)
LOG.info('Uploading local data %s to HDFS table "%s"' % (self.name, hdfs_destination))
fs.do_as_user(django_user, fs.copyFromLocal, self._contents_file, hdfs_destination)
LOG.info('Loading data into table "%s"' % (self.name,))
hql = LOAD_HQL % {'tablename': self.name, 'filename': hdfs_destination}
query = hql_query(hql)
try:
results = dbms.get(django_user, self.query_server).execute_and_wait(query)
if not results:
msg = _('Error loading table %(table)s: Operation timeout.') % {'table': self.name}
LOG.error(msg)
raise InstallException(msg)
except QueryServerException, ex:
msg = _('Error loading table %(table)s: %(error)s.') % {'table': self.name, 'error': ex}
LOG.error(msg)
raise InstallException(msg)