def _print_endpoint_info(self, info_sessions, current_session_id):
if info_sessions:
info_sessions = sorted(info_sessions, key=lambda s: s.id)
html = get_sessions_info_html(info_sessions, current_session_id)
self.ipython_display.html(html)
else:
self.ipython_display.html(u'No active sessions.')
def _print_endpoint_info(self, info_sessions, current_session_id):
if info_sessions:
info_sessions = sorted(info_sessions, key=lambda s: s.id)
html = get_sessions_info_html(info_sessions, current_session_id)
self.ipython_display.html(html)
else:
self.ipython_display.html(u'No active sessions.')
def start(self, create_sql_context=True):
"""Start the session against actual livy server."""
self._spark_events.emit_session_creation_start_event(self.guid, self.kind)
try:
r = self._http_client.post_session(self.properties)
self.id = r[u"id"]
self.status = str(r[u"state"])
self.ipython_display.writeln(u"Creating SparkContext as 'sc'")
# Start heartbeat thread to keep Livy interactive session alive.
self._start_heartbeat_thread()
# We wait for livy_session_startup_timeout_seconds() for the session to start up.
try:
self.wait_for_idle(conf.livy_session_startup_timeout_seconds())
except LivyClientTimeoutException:
raise LivyClientTimeoutException(u"Session {} did not start up in {} seconds."
.format(self.id, conf.livy_session_startup_timeout_seconds()))
html = get_sessions_info_html([self], self.id)
self.ipython_display.html(html)
if create_sql_context:
self.create_sql_context()
except Exception as e:
self._spark_events.emit_session_creation_end_event(self.guid, self.kind, self.id, self.status,
False, e.__class__.__name__, str(e))
raise
else:
self._spark_events.emit_session_creation_end_event(self.guid, self.kind, self.id, self.status, True, "", "")
def start(self):
"""Start the session against actual livy server."""
self._spark_events.emit_session_creation_start_event(
self.guid, self.kind)
self._printed_resource_warning = False
try:
r = self._http_client.post_session(self.properties)
self.id = r[u"id"]
self.status = str(r[u"state"])
self.ipython_display.writeln(u"Starting Spark application")
# Start heartbeat thread to keep Livy interactive session alive.
self._start_heartbeat_thread()
# We wait for livy_session_startup_timeout_seconds() for the session to start up.
try:
self.wait_for_idle(conf.livy_session_startup_timeout_seconds())
except LivyClientTimeoutException:
raise LivyClientTimeoutException(
u"Session {} did not start up in {} seconds.".format(
self.id, conf.livy_session_startup_timeout_seconds()))
html = get_sessions_info_html([self], self.id)
self.ipython_display.html(html)
command = Command("spark")
(success, out, mimetype) = command.execute(self)
if success:
self.ipython_display.writeln(
u"SparkSession available as 'spark'.")
self.sql_context_variable_name = "spark"
else:
command = Command("sqlContext")
(success, out, mimetype) = command.execute(self)
if success:
self.ipython_display.writeln(
u"SparkContext available as 'sc'.")
if ("hive" in out.lower()):
self.ipython_display.writeln(
u"HiveContext available as 'sqlContext'.")
else:
self.ipython_display.writeln(
u"SqlContext available as 'sqlContext'.")
self.sql_context_variable_name = "sqlContext"
else:
raise SqlContextNotFoundException(
u"Neither SparkSession nor HiveContext/SqlContext is available."
)
except Exception as e:
self._spark_events.emit_session_creation_end_event(
self.guid, self.kind, self.id, self.status, False,
e.__class__.__name__, str(e))
raise
else:
self._spark_events.emit_session_creation_end_event(
self.guid, self.kind, self.id, self.status, True, "", "")
def start(self):
"""Start the session against actual livy server."""
self._spark_events.emit_session_creation_start_event(self.guid, self.kind)
self._printed_resource_warning = False
try:
r = self._http_client.post_session(self.properties)
self.id = r[u"id"]
self.status = str(r[u"state"])
self.ipython_display.writeln(u"Starting Spark application")
# Start heartbeat thread to keep Livy interactive session alive.
self._start_heartbeat_thread()
# We wait for livy_session_startup_timeout_seconds() for the session to start up.
try:
self.wait_for_idle(conf.livy_session_startup_timeout_seconds())
except LivyClientTimeoutException:
raise LivyClientTimeoutException(u"Session {} did not start up in {} seconds."
.format(self.id, conf.livy_session_startup_timeout_seconds()))
html = get_sessions_info_html([self], self.id)
self.ipython_display.html(html)
command = Command("spark")
(success, out) = command.execute(self)
if success:
self.ipython_display.writeln(u"SparkSession available as 'spark'.")
self.sql_context_variable_name = "spark"
else:
command = Command("sqlContext")
(success, out) = command.execute(self)
if success:
self.ipython_display.writeln(u"SparkContext available as 'sc'.")
if ("hive" in out.lower()):
self.ipython_display.writeln(u"HiveContext available as 'sqlContext'.")
else:
self.ipython_display.writeln(u"SqlContext available as 'sqlContext'.")
self.sql_context_variable_name = "sqlContext"
else:
raise SqlContextNotFoundException(u"Neither SparkSession nor HiveContext/SqlContext is available.")
except Exception as e:
self._spark_events.emit_session_creation_end_event(self.guid, self.kind, self.id, self.status,
False, e.__class__.__name__, str(e))
raise
else:
self._spark_events.emit_session_creation_end_event(self.guid, self.kind, self.id, self.status, True, "", "")
def start(self, create_sql_context=True):
"""Start the session against actual livy server."""
self._spark_events.emit_session_creation_start_event(
self.guid, self.kind)
try:
r = self._http_client.post_session(self.properties)
self.id = r[u"id"]
self.status = str(r[u"state"])
self.ipython_display.writeln(u"Creating SparkContext as 'sc'")
# Start heartbeat thread to keep Livy interactive session alive.
self._start_heartbeat_thread()
# We wait for livy_session_startup_timeout_seconds() for the session to start up.
try:
self.wait_for_idle(conf.livy_session_startup_timeout_seconds())
except LivyClientTimeoutException:
raise LivyClientTimeoutException(
u"Session {} did not start up in {} seconds.".format(
self.id, conf.livy_session_startup_timeout_seconds()))
html = get_sessions_info_html([self], self.id)
self.ipython_display.html(html)
if create_sql_context:
self.create_sql_context()
except Exception as e:
self._spark_events.emit_session_creation_end_event(
self.guid, self.kind, self.id, self.status, False,
e.__class__.__name__, str(e))
raise
else:
self._spark_events.emit_session_creation_end_event(
self.guid, self.kind, self.id, self.status, True, "", "")
def start(self):
"""Start the session against actual livy server."""
self._spark_events.emit_session_creation_start_event(
self.guid, self.kind)
self._printed_resource_warning = False
try:
connection_file = os.path.basename(ipykernel.get_connection_file())
if 'kernel' in connection_file:
kernel_id = connection_file.split('-', 1)[1].split('.')[0]
self.properties['conf'][
'spark.yarn.appMasterEnv.HOPSWORKS_KERNEL_ID'] = kernel_id
self.properties['conf'][
'spark.executorEnv.HOPSWORKS_KERNEL_ID'] = kernel_id
if 'hops.util' in sys.modules:
util.attach_jupyter_configuration_to_notebook(kernel_id)
r = self._http_client.post_session(self.properties)
self.id = r[u"id"]
self.status = str(r[u"state"])
self.ipython_display.writeln(u"Starting Spark application")
# Start heartbeat thread to keep Livy interactive session alive.
self._start_heartbeat_thread()
# We wait for livy_session_startup_timeout_seconds() for the session to start up.
try:
self.wait_for_idle(conf.livy_session_startup_timeout_seconds())
except LivyClientTimeoutException:
raise LivyClientTimeoutException(
u"Session {} did not start up in {} seconds.".format(
self.id, conf.livy_session_startup_timeout_seconds()))
html = get_sessions_info_html([self], self.id)
self.ipython_display.html(html)
command = Command("spark")
(success, out, mimetype) = command.execute(self)
if success:
self.ipython_display.writeln(
u"SparkSession available as 'spark'.")
self.sql_context_variable_name = "spark"
else:
command = Command("sqlContext")
(success, out, mimetype) = command.execute(self)
if success:
self.ipython_display.writeln(
u"SparkContext available as 'sc'.")
if ("hive" in out.lower()):
self.ipython_display.writeln(
u"HiveContext available as 'sqlContext'.")
else:
self.ipython_display.writeln(
u"SqlContext available as 'sqlContext'.")
self.sql_context_variable_name = "sqlContext"
else:
raise SqlContextNotFoundException(
u"Neither SparkSession nor HiveContext/SqlContext is available."
)
except Exception as e:
self._spark_events.emit_session_creation_end_event(
self.guid, self.kind, self.id, self.status, False,
e.__class__.__name__, str(e))
raise
else:
self._spark_events.emit_session_creation_end_event(
self.guid, self.kind, self.id, self.status, True, "", "")
