def create_session(self, lang='scala', properties=None):
if not properties and USE_DEFAULT_CONFIGURATION.get():
user_config = DefaultConfiguration.objects.get_configuration_for_user(
app='spark', user=self.user)
if user_config is not None:
properties = user_config.properties_list
props = self.get_livy_props(lang, properties)
api = get_spark_api(self.user)
response = api.create_session(**props)
status = api.get_session(response['id'])
count = 0
while status['state'] == 'starting' and count < 120:
status = api.get_session(response['id'])
count += 1
time.sleep(1)
if status['state'] != 'idle':
info = '\n'.join(status['log']) if status['log'] else 'timeout'
raise QueryError(
_('The Spark session is %s and could not be created in the cluster: %s'
) % (status['state'], info))
return {
'type': lang,
'id': response['id'],
'properties': self.to_properties(props)
}
def create_session(self, lang='hive', properties=None):
application = 'beeswax' if lang == 'hive' else lang
session = Session.objects.get_session(self.user,
application=application)
if session is None:
session = dbms.get(self.user,
query_server=get_query_server_config(
name=lang)).open_session(self.user)
response = {'type': lang, 'id': session.id}
if not properties:
config = None
if USE_DEFAULT_CONFIGURATION.get():
config = DefaultConfiguration.objects.get_configuration_for_user(
app=lang, user=self.user)
if config is not None:
properties = config.properties_list
else:
properties = self.get_properties(lang)
response['properties'] = properties
if lang == 'impala':
http_addr = self._get_impala_server_url(session)
response['http_addr'] = http_addr
return response
def create_session(self, lang='hive', properties=None):
application = 'beeswax' if lang == 'hive' else lang
session = Session.objects.get_session(self.user, application=application)
if session is None:
session = dbms.get(self.user, query_server=get_query_server_config(name=lang)).open_session(self.user)
response = {
'type': lang,
'id': session.id
}
if not properties:
config = None
if USE_DEFAULT_CONFIGURATION.get():
config = DefaultConfiguration.objects.get_configuration_for_user(app=lang, user=self.user)
if config is not None:
properties = config.properties_list
else:
properties = self.get_properties(lang)
response['properties'] = properties
if lang == 'impala':
impala_settings = session.get_formatted_properties()
http_addr = next((setting['value'] for setting in impala_settings if setting['key'].lower() == 'http_addr'), None)
response['http_addr'] = http_addr
return response
def create_session(self, lang='hive', properties=None):
application = 'beeswax' if lang == 'hive' else lang
session = Session.objects.get_session(self.user,
application=application)
reuse_session = session is not None
if not reuse_session:
session = dbms.get(self.user,
query_server=get_query_server_config(
name=lang)).open_session(self.user)
response = {'type': lang, 'id': session.id}
if not properties:
config = None
if USE_DEFAULT_CONFIGURATION.get():
config = DefaultConfiguration.objects.get_configuration_for_user(
app=lang, user=self.user)
if config is not None:
properties = config.properties_list
else:
properties = self.get_properties(lang)
response['properties'] = properties
response['reuse_session'] = reuse_session
response['session_id'] = ''
try:
decoded_guid = session.get_handle().sessionId.guid
response['session_id'] = "%x:%x" % struct.unpack(
b"QQ", decoded_guid)
except Exception, e:
LOG.warn('Failed to decode session handle: %s' % e)
def create_session(self, lang='hive', properties=None):
application = 'beeswax' if lang == 'hive' or lang == 'llap' else lang
if has_session_pool():
session = Session.objects.get_tez_session(
self.user, application, MAX_NUMBER_OF_SESSIONS.get())
elif not has_multiple_sessions():
session = Session.objects.get_session(self.user,
application=application)
else:
session = None
reuse_session = session is not None
if not reuse_session:
db = dbms.get(self.user,
query_server=get_query_server_config(
name=lang, connector=self.interpreter))
session = db.open_session(self.user)
response = {'type': lang, 'id': session.id}
if not properties:
config = None
if USE_DEFAULT_CONFIGURATION.get():
config = DefaultConfiguration.objects.get_configuration_for_user(
app=lang, user=self.user)
if config is not None:
properties = config.properties_list
else:
properties = self.get_properties(lang)
response['properties'] = properties
response['configuration'] = json.loads(session.properties)
response['reuse_session'] = reuse_session
response['session_id'] = ''
try:
decoded_guid = session.get_handle().sessionId.guid
response['session_id'] = unpack_guid(decoded_guid)
except Exception as e:
LOG.warn('Failed to decode session handle: %s' % e)
if lang == 'impala' and session:
http_addr = _get_impala_server_url(session)
response['http_addr'] = http_addr
return response
def create_session(self, lang='scala', properties=None):
if not properties:
config = None
if USE_DEFAULT_CONFIGURATION.get():
config = DefaultConfiguration.objects.get_configuration_for_user(app='spark', user=self.user)
if config is not None:
properties = config.properties_list
else:
properties = self.get_properties()
props = dict([(p['name'], p['value']) for p in properties]) if properties is not None else {}
props['kind'] = lang
api = get_spark_api(self.user)
response = api.create_session(**props)
status = api.get_session(response['id'])
count = 0
while status['state'] == 'starting' and count < 120:
status = api.get_session(response['id'])
count += 1
time.sleep(1)
if status['state'] != 'idle':
info = '\n'.join(status['log']) if status['log'] else 'timeout'
raise QueryError(_('The Spark session could not be created in the cluster: %s') % info)
return {
'type': lang,
'id': response['id'],
'properties': properties
}
def create_session(self, lang='scala', properties=None):
if not properties:
config = None
if USE_DEFAULT_CONFIGURATION.get():
config = DefaultConfiguration.objects.get_configuration_for_user(
app='spark', user=self.user)
if config is not None:
properties = config.properties_list
else:
properties = self.get_properties()
props = dict([(p['name'], p['value'])
for p in properties]) if properties is not None else {}
# HUE-4761: Hue's session request is causing Livy to fail with "JsonMappingException: Can not deserialize
# instance of scala.collection.immutable.List out of VALUE_STRING token" due to List type values
# not being formed properly, they are quoted csv strings (without brackets) instead of proper List
# types, this is for keys; archives, jars, files and pyFiles. The Mako frontend probably should be
# modified to pass the values as Livy expects but for now we coerce these types to be Lists.
# Issue only occurs when non-default values are used because the default path properly sets the
# empty list '[]' for these four values.
# Note also that Livy has a 90 second timeout for the session request to complete, this needs to
# be increased for requests that take longer, for example when loading large archives.
tmparchives = props['archives']
if type(tmparchives) is not list:
props['archives'] = tmparchives.split(",")
LOG.debug("Check List type: archives was not a list")
tmpjars = props['jars']
if type(tmpjars) is not list:
props['jars'] = tmpjars.split(",")
LOG.debug("Check List type: jars was not a list")
tmpfiles = props['files']
if type(tmpfiles) is not list:
props['files'] = tmpfiles.split(",")
LOG.debug("Check List type: files was not a list")
tmppyFiles = props['pyFiles']
if type(tmppyFiles) is not list:
props['pyFiles'] = tmppyFiles.split(",")
LOG.debug("Check List type: pyFiles was not a list")
# Convert the conf list to a dict for Livy
listitems = props['conf']
LOG.debug("Property Spark Conf kvp list from UI is: " + str(listitems))
confDict = {}
for i in range(len(listitems)):
kvp = listitems[i]
LOG.debug("Property Spark Conf key " + str(i) + " = " +
str(kvp.get('key')))
LOG.debug("Property Spark Conf value " + str(i) + " = " +
str(kvp.get('value')))
confDict[kvp.get('key')] = kvp.get('value')
props['conf'] = confDict
LOG.debug("Property Spark Conf dictionary is: " + str(confDict))
props['kind'] = lang
api = get_spark_api(self.user)
response = api.create_session(**props)
status = api.get_session(response['id'])
count = 0
while status['state'] == 'starting' and count < 120:
status = api.get_session(response['id'])
count += 1
time.sleep(1)
if status['state'] != 'idle':
info = '\n'.join(status['log']) if status['log'] else 'timeout'
raise QueryError(
_('The Spark session could not be created in the cluster: %s')
% info)
return {'type': lang, 'id': response['id'], 'properties': properties}
def create_session(self, lang='hive', properties=None):
application = 'beeswax' if lang == 'hive' or lang == 'llap' else lang
uses_session_pool = has_session_pool()
uses_multiple_sessions = has_multiple_sessions()
if lang == 'impala':
uses_session_pool = False
uses_multiple_sessions = False
try:
if uses_session_pool:
session = Session.objects.get_tez_session(
self.user, application, MAX_NUMBER_OF_SESSIONS.get())
elif not uses_multiple_sessions:
session = Session.objects.get_session(self.user,
application=application)
else:
session = None
except Exception as e:
if 'Connection refused' in str(
e) or 'Name or service not known' in str(e):
LOG.exception(
'Connection being refused or service is not available in either session or in multiple sessions'
'- HA failover')
reset_ha()
reuse_session = session is not None
if not reuse_session:
db = dbms.get(self.user,
query_server=get_query_server_config(
name=lang, connector=self.interpreter))
try:
session = db.open_session(self.user)
except Exception as e:
if 'Connection refused' in str(
e) or 'Name or service not known' in str(e):
LOG.exception(
'Connection being refused or service is not available in reuse session - HA failover'
)
reset_ha()
response = {'type': lang, 'id': session.id}
if not properties:
config = None
if USE_DEFAULT_CONFIGURATION.get():
config = DefaultConfiguration.objects.get_configuration_for_user(
app=lang, user=self.user)
if config is not None:
properties = config.properties_list
else:
properties = self.get_properties(lang)
response['properties'] = properties
response['configuration'] = json.loads(session.properties)
response['reuse_session'] = reuse_session
response['session_id'] = ''
try:
decoded_guid = session.get_handle().sessionId.guid
response['session_id'] = unpack_guid(decoded_guid)
except Exception as e:
LOG.warning('Failed to decode session handle: %s' % e)
if lang == 'impala' and session:
http_addr = _get_impala_server_url(session)
response['http_addr'] = http_addr
return response
def create_session(self, lang='scala', properties=None):
if not properties:
config = None
if USE_DEFAULT_CONFIGURATION.get():
config = DefaultConfiguration.objects.get_configuration_for_user(app='spark', user=self.user)
if config is not None:
properties = config.properties_list
else:
properties = self.get_properties()
props = dict([(p['name'], p['value']) for p in properties]) if properties is not None else {}
# HUE-4761: Hue's session request is causing Livy to fail with "JsonMappingException: Can not deserialize
# instance of scala.collection.immutable.List out of VALUE_STRING token" due to List type values
# not being formed properly, they are quoted csv strings (without brackets) instead of proper List
# types, this is for keys; archives, jars, files and pyFiles. The Mako frontend probably should be
# modified to pass the values as Livy expects but for now we coerce these types to be Lists.
# Issue only occurs when non-default values are used because the default path properly sets the
# empty list '[]' for these four values.
# Note also that Livy has a 90 second timeout for the session request to complete, this needs to
# be increased for requests that take longer, for example when loading large archives.
tmparchives = props['archives']
if type(tmparchives) is not list:
props['archives'] = tmparchives.split(",")
LOG.debug("Check List type: archives was not a list")
tmpjars = props['jars']
if type(tmpjars) is not list:
props['jars'] = tmpjars.split(",")
LOG.debug("Check List type: jars was not a list")
tmpfiles = props['files']
if type(tmpfiles) is not list:
props['files'] = tmpfiles.split(",")
LOG.debug("Check List type: files was not a list")
tmppyFiles = props['pyFiles']
if type(tmppyFiles) is not list:
props['pyFiles'] = tmppyFiles.split(",")
LOG.debug("Check List type: pyFiles was not a list")
props['kind'] = lang
api = get_spark_api(self.user)
response = api.create_session(**props)
status = api.get_session(response['id'])
count = 0
while status['state'] == 'starting' and count < 120:
status = api.get_session(response['id'])
count += 1
time.sleep(1)
if status['state'] != 'idle':
info = '\n'.join(status['log']) if status['log'] else 'timeout'
raise QueryError(_('The Spark session could not be created in the cluster: %s') % info)
return {
'type': lang,
'id': response['id'],
'properties': properties
}
