def setUpClass(cls):
super(CanvasNavigatorTest, cls).setUpClass()
print("Start of tests: preparing nifi objects")
config.nifi_config.host = 'http://192.168.56.5:8080/nifi-api'
root = canvas.get_process_group(canvas.get_root_pg_id(), 'id')
# Create new process group in root
CanvasNavigatorTest.pg_parent = canvas.create_process_group(
root, "parent", CANVAS_CENTER)
# Create new child process groups in unittest
CanvasNavigatorTest.pg_child1 = canvas.create_process_group(
CanvasNavigatorTest.pg_parent, "child1", CANVAS_CENTER)
CanvasNavigatorTest.pg_child2 = canvas.create_process_group(
CanvasNavigatorTest.pg_parent, "child2", CANVAS_CENTER)
CanvasNavigatorTest.pg_child2_2 = canvas.create_process_group(
CanvasNavigatorTest.pg_parent, "child2", CANVAS_CENTER)
CanvasNavigatorTest.pg_grandchild1 = canvas.create_process_group(
CanvasNavigatorTest.pg_child1, "grandchild1", CANVAS_CENTER)
# Create other objects as well
CanvasNavigatorTest.proc = canvas.create_processor(
CanvasNavigatorTest.pg_parent,
canvas.get_processor_type("GenerateFlowFile"), CANVAS_CENTER,
"proc")
CanvasNavigatorTest.input_port = canvas.create_port(
CanvasNavigatorTest.pg_parent.component.id, "INPUT_PORT",
"input_port", "STOPPED", CANVAS_CENTER)
CanvasNavigatorTest.output_port = canvas.create_port(
CanvasNavigatorTest.pg_parent.component.id, "OUTPUT_PORT",
"output_port", "STOPPED", CANVAS_CENTER)
CanvasNavigatorTest.controller = canvas.create_controller(
CanvasNavigatorTest.pg_parent,
canvas.list_all_controller_types()[0], "controller")
def test_create_process_group(regress_nifi):
r = canvas.create_process_group(parent_pg=canvas.get_process_group(
canvas.get_root_pg_id(), 'id'),
new_pg_name=conftest.test_pg_name,
location=(400.0, 400.0),
comment='some comment')
assert r.component.name == conftest.test_pg_name
assert r.position.x == r.position.y == 400
assert r.component.parent_group_id == canvas.get_root_pg_id()
assert isinstance(r, nifi.ProcessGroupEntity)
# Test process group creation on other than root process group.
s = canvas.create_process_group(parent_pg=canvas.get_process_group(
conftest.test_pg_name),
location=(200.0, 200.0),
new_pg_name=conftest.test_another_pg_name)
assert s.component.name == conftest.test_another_pg_name
assert s.position.x == s.position.y == 200
assert s.component.parent_group_id == canvas.get_process_group(
conftest.test_pg_name, "name").id
assert isinstance(s, nifi.ProcessGroupEntity)
with pytest.raises(ValueError):
parent_pg = canvas.get_process_group('NiFi Flow')
parent_pg.id = 'invalid'
_ = canvas.create_process_group(parent_pg, 'irrelevant', (0, 0))
def test_create_process_group(regress):
r = canvas.create_process_group(canvas.get_process_group(
canvas.get_root_pg_id(), 'id'),
config.test_pg_name,
location=(400.0, 400.0))
assert r.component.name == config.test_pg_name
assert r.position.x == r.position.y == 400
assert r.component.parent_group_id == canvas.get_root_pg_id()
with pytest.raises(ApiException):
parent_pg = canvas.get_process_group('NiFi Flow')
parent_pg.id = 'invalid'
_ = canvas.create_process_group(parent_pg, 'irrelevant', (0, 0))
def lab4_nifi_flow(env):
LOG.info("Running step4_nifi_flow")
# Create a bucket in NiFi Registry to save the edge flow versions
env.sensor_bucket = versioning.get_registry_bucket('SensorFlows')
if not env.sensor_bucket:
env.sensor_bucket = versioning.create_registry_bucket('SensorFlows')
# Create NiFi Process Group
env.reg_client = versioning.create_registry_client('NiFi Registry', _NIFIREG_URL, 'The registry...')
env.sensor_pg = canvas.create_process_group(env.root_pg, PG_NAME, (330, 350))
#env.sensor_flow = versioning.save_flow_ver(env.sensor_pg, env.reg_client, env.sensor_bucket, flow_name='SensorProcessGroup', comment='Enabled version control - ' + env.run_id)
env.sensor_flow = save_flow_ver(env.sensor_pg, env.reg_client, env.sensor_bucket, flow_name='SensorProcessGroup', comment='Enabled version control - ' + str(env.run_id))
# Create controller services
env.sr_svc = create_controller(env.sensor_pg, 'org.apache.nifi.schemaregistry.hortonworks.HortonworksSchemaRegistry', {'url': _SCHREG_API_URL}, True)
env.json_reader_svc = create_controller(env.sensor_pg, 'org.apache.nifi.json.JsonTreeReader', {'schema-access-strategy': 'schema-name', 'schema-registry': env.sr_svc.id}, True)
env.json_writer_svc = create_controller(env.sensor_pg, 'org.apache.nifi.json.JsonRecordSetWriter', {'schema-access-strategy': 'schema-name', 'schema-registry': env.sr_svc.id, 'Schema Write Strategy': 'hwx-schema-ref-attributes'}, True)
# Create flow
sensor_port = canvas.create_port(env.sensor_pg.id, 'INPUT_PORT', 'Sensor Data', 'RUNNING', (0, 0))
upd_attr = create_processor(env.sensor_pg, 'Set Schema Name', 'org.apache.nifi.processors.attributes.UpdateAttribute', (0, 100),
{
'properties': {
'schema.name': 'SensorReading',
},
}
)
canvas.create_connection(sensor_port, upd_attr)
pub_kafka = create_processor(env.sensor_pg, 'Publish to Kafka topic: iot', 'org.apache.nifi.processors.kafka.pubsub.PublishKafkaRecord_2_0', (0, 300),
{
'properties': {
'bootstrap.servers': 'edge2ai-1.dim.local:9092',
'topic': 'iot',
'record-reader': env.json_reader_svc.id,
'record-writer': env.json_writer_svc.id,
'use-transactions': 'false',
'attribute-name-regex': 'schema.*',
'client.id': PRODUCER_CLIENT_ID,
},
'autoTerminatedRelationships': ['success'],
}
)
canvas.create_connection(upd_attr, pub_kafka, ['success'])
fail_funnel = create_funnel(env.sensor_pg.id, (600, 343))
canvas.create_connection(pub_kafka, fail_funnel, ['failure'])
# Commit changes
#versioning.save_flow_ver(env.sensor_pg, env.reg_client, env.sensor_bucket, flow_id=env.sensor_flow.version_control_information.flow_id, comment='First version - ' + env.run_id)
save_flow_ver(env.sensor_pg, env.reg_client, env.sensor_bucket, flow_id=env.sensor_flow.version_control_information.flow_id, comment='First version - ' + str(env.run_id))
# Start flow
canvas.schedule_process_group(env.root_pg.id, True)
# Update "from Gateway" input port to connect to the process group
update_connection(env.from_gw, env.temp_funnel, sensor_port)
def __create_test_group(self):
# Delete group with same name if exists
self.__delete_test_group()
# Create group
self.test_group = canvas.create_process_group(self.base, self.name,
(0, 0))
# Create contents
self.__build_inputs()
self.__build_outputs()
def create(self):
new_process_group = canvas.create_process_group(
self.parent,
self.name,
self.location
)
new_process_group.revision.version = 0
self.id = new_process_group.id
return new_process_group
def setUpClass(cls):
super(Test1ToNTest, cls).setUpClass()
print("Start of tests: preparing nifi objects")
config.nifi_config.host = 'http://192.168.56.5:8080/nifi-api'
flow_name = "Test1ToNTest"
nav = CanvasNavigator()
# Delete all leftovers from previous (failed?) tests
pgs_to_be_deleted = nav.groups(flow_name)
for pg in pgs_to_be_deleted:
canvas.delete_process_group(pg, force=True)
# Create new process group in root
Test1ToNTest.pg_test = canvas.create_process_group(nav.current, flow_name, (0, 0))
# Create simple flow to test
Test1ToNTest.proc_start = canvas.create_processor(
Test1ToNTest.pg_test,
canvas.get_processor_type("GenerateFlowFile"),
CANVAS_CENTER,
"Start")
Test1ToNTest.proc_2 = canvas.create_processor(
Test1ToNTest.pg_test,
canvas.get_processor_type("DebugFlow"),
CANVAS_CENTER,
"Processor 2")
Test1ToNTest.proc_3 = canvas.create_processor(
Test1ToNTest.pg_test,
canvas.get_processor_type("DebugFlow"),
CANVAS_CENTER,
"Processor 3")
Test1ToNTest.proc_end_1 = canvas.create_processor(
Test1ToNTest.pg_test,
canvas.get_processor_type("DebugFlow"),
CANVAS_CENTER,
"End 1")
Test1ToNTest.proc_end_2 = canvas.create_processor(
Test1ToNTest.pg_test,
canvas.get_processor_type("DebugFlow"),
CANVAS_CENTER,
"End 2")
canvas.update_processor(Test1ToNTest.proc_end_1,
nifi.ProcessorConfigDTO(auto_terminated_relationships=["success", "failure"]))
canvas.update_processor(Test1ToNTest.proc_end_2,
nifi.ProcessorConfigDTO(auto_terminated_relationships=["success", "failure"]))
Test1ToNTest.conn_1 = canvas.create_connection(Test1ToNTest.proc_start, Test1ToNTest.proc_2, ["success"])
Test1ToNTest.conn_2 = canvas.create_connection(Test1ToNTest.proc_2, Test1ToNTest.proc_3, ["success", "failure"])
Test1ToNTest.conn_3 = canvas.create_connection(Test1ToNTest.proc_3, Test1ToNTest.proc_end_1, ["success", "failure"])
Test1ToNTest.conn_4 = canvas.create_connection(Test1ToNTest.proc_3, Test1ToNTest.proc_end_2, ["success", "failure"])
canvas.schedule_process_group(Test1ToNTest.pg_test.component.id, scheduled=True)
def lab4_nifi_flow(env):
LOG.info("Running step4_nifi_flow")
# Create a bucket in NiFi Registry to save the edge flow versions
env.sensor_bucket = versioning.get_registry_bucket('SensorFlows')
if not env.sensor_bucket:
env.sensor_bucket = versioning.create_registry_bucket('SensorFlows')
# Create NiFi Process Group
env.reg_client = versioning.create_registry_client('NiFi Registry',
_get_nifireg_url(),
'The registry...')
env.sensor_pg = canvas.create_process_group(env.root_pg, PG_NAME,
(330, 350))
#env.sensor_flow = versioning.save_flow_ver(env.sensor_pg, env.reg_client, env.sensor_bucket, flow_name='SensorProcessGroup', comment='Enabled version control - ' + env.run_id)
env.sensor_flow = save_flow_ver(env.sensor_pg,
env.reg_client,
env.sensor_bucket,
flow_name='SensorProcessGroup',
comment='Enabled version control - ' +
str(env.run_id))
# Update default SSL context controller service
ssl_svc_name = 'Default NiFi SSL Context Service'
if _IS_TLS_ENABLED:
props = {
'SSL Protocol': 'TLS',
'Truststore Type': 'JKS',
'Truststore Filename': '/opt/cloudera/security/jks/truststore.jks',
'Truststore Password': _THE_PWD,
'Keystore Type': 'JKS',
'Keystore Filename': '/opt/cloudera/security/jks/keystore.jks',
'Keystore Password': _THE_PWD,
'key-password': _THE_PWD,
}
env.ssl_svc = canvas.get_controller(ssl_svc_name, 'name')
if env.ssl_svc:
canvas.schedule_controller(env.ssl_svc, False)
env.ssl_svc = canvas.get_controller(ssl_svc_name, 'name')
canvas.update_controller(
env.ssl_svc, nifi.ControllerServiceDTO(properties=props))
env.ssl_svc = canvas.get_controller(ssl_svc_name, 'name')
canvas.schedule_controller(env.ssl_svc, True)
else:
env.keytab_svc = create_controller(
env.root_pg,
'org.apache.nifi.ssl.StandardRestrictedSSLContextService',
props,
True,
name=ssl_svc_name)
# Create controller services
if _IS_TLS_ENABLED:
env.ssl_svc = canvas.get_controller(ssl_svc_name, 'name')
props = {
'Kerberos Keytab': '/keytabs/admin.keytab',
'Kerberos Principal': 'admin',
}
env.keytab_svc = create_controller(
env.sensor_pg, 'org.apache.nifi.kerberos.KeytabCredentialsService',
props, True)
else:
env.ssl_svc = None
env.keytab_svc = None
props = {
'url': _get_schreg_api_url(),
}
if _IS_TLS_ENABLED:
props.update({
'kerberos-credentials-service': env.keytab_svc.id,
'ssl-context-service': env.ssl_svc.id,
})
env.sr_svc = create_controller(
env.sensor_pg,
'org.apache.nifi.schemaregistry.hortonworks.HortonworksSchemaRegistry',
props, True)
env.json_reader_svc = create_controller(
env.sensor_pg, 'org.apache.nifi.json.JsonTreeReader', {
'schema-access-strategy': 'schema-name',
'schema-registry': env.sr_svc.id
}, True)
env.json_writer_svc = create_controller(
env.sensor_pg, 'org.apache.nifi.json.JsonRecordSetWriter', {
'schema-access-strategy': 'schema-name',
'schema-registry': env.sr_svc.id,
'Schema Write Strategy': 'hwx-schema-ref-attributes'
}, True)
env.avro_writer_svc = create_controller(
env.sensor_pg, 'org.apache.nifi.avro.AvroRecordSetWriter', {
'schema-access-strategy': 'schema-name',
'schema-registry': env.sr_svc.id,
'Schema Write Strategy': 'hwx-content-encoded-schema'
}, True)
# Create flow
sensor_port = canvas.create_port(env.sensor_pg.id, 'INPUT_PORT',
'Sensor Data', 'RUNNING', (0, 0))
upd_attr = create_processor(
env.sensor_pg, 'Set Schema Name',
'org.apache.nifi.processors.attributes.UpdateAttribute', (0, 100), {
'properties': {
'schema.name': 'SensorReading',
},
})
canvas.create_connection(sensor_port, upd_attr)
props = {
'topic': 'iot',
'record-reader': env.json_reader_svc.id,
'record-writer': env.json_writer_svc.id,
}
props.update(_get_common_kafka_client_properties(env, 'producer'))
pub_kafka = create_processor(
env.sensor_pg, 'Publish to Kafka topic: iot',
'org.apache.nifi.processors.kafka.pubsub.PublishKafkaRecord_2_0',
(0, 300), {
'properties': props,
'autoTerminatedRelationships': ['success'],
})
canvas.create_connection(upd_attr, pub_kafka, ['success'])
fail_funnel = create_funnel(env.sensor_pg.id, (600, 343))
canvas.create_connection(pub_kafka, fail_funnel, ['failure'])
# Commit changes
#versioning.save_flow_ver(env.sensor_pg, env.reg_client, env.sensor_bucket, flow_id=env.sensor_flow.version_control_information.flow_id, comment='First version - ' + env.run_id)
save_flow_ver(env.sensor_pg,
env.reg_client,
env.sensor_bucket,
flow_id=env.sensor_flow.version_control_information.flow_id,
comment='First version - ' + str(env.run_id))
# Start flow
canvas.schedule_process_group(env.root_pg.id, True)
# Update "from Gateway" input port to connect to the process group
update_connection(env.from_gw, env.temp_funnel, sensor_port)
def lab2_nifi_flow(self):
# Create a bucket in NiFi Registry to save the edge flow versions
self.context.sensor_bucket = versioning.get_registry_bucket(
'SensorFlows')
if not self.context.sensor_bucket:
self.context.sensor_bucket = versioning.create_registry_bucket(
'SensorFlows')
# Create NiFi Process Group
self.context.reg_client = versioning.create_registry_client(
'NiFi Registry', nifireg.get_url(), 'The registry...')
self.context.sensor_pg = canvas.create_process_group(
self.context.root_pg, PG_NAME, (330, 350))
self.context.sensor_flow = nifireg.save_flow_ver(
self.context.sensor_pg,
self.context.reg_client,
self.context.sensor_bucket,
flow_name='SensorProcessGroup',
comment='Enabled version control - {}'.format(self.run_id))
# Update default SSL context controller service
ssl_svc_name = 'Default NiFi SSL Context Service'
if is_tls_enabled():
props = {
'SSL Protocol': 'TLS',
'Truststore Type': 'JKS',
'Truststore Filename':
'/opt/cloudera/security/jks/truststore.jks',
'Truststore Password': get_the_pwd(),
'Keystore Type': 'JKS',
'Keystore Filename': '/opt/cloudera/security/jks/keystore.jks',
'Keystore Password': get_the_pwd(),
'key-password': get_the_pwd(),
}
self.context.ssl_svc = canvas.get_controller(ssl_svc_name, 'name')
if self.context.ssl_svc:
canvas.schedule_controller(self.context.ssl_svc, False)
self.context.ssl_svc = canvas.get_controller(
ssl_svc_name, 'name')
canvas.update_controller(
self.context.ssl_svc,
nifi.ControllerServiceDTO(properties=props))
self.context.ssl_svc = canvas.get_controller(
ssl_svc_name, 'name')
canvas.schedule_controller(self.context.ssl_svc, True)
else:
self.context.keytab_svc = nf.create_controller(
self.context.root_pg,
'org.apache.nifi.ssl.StandardRestrictedSSLContextService',
props,
True,
name=ssl_svc_name)
# Create controller services
if is_tls_enabled():
self.context.ssl_svc = canvas.get_controller(ssl_svc_name, 'name')
props = {
'Kerberos Keytab': '/keytabs/admin.keytab',
'Kerberos Principal': 'admin',
}
self.context.keytab_svc = nf.create_controller(
self.context.sensor_pg,
'org.apache.nifi.kerberos.KeytabCredentialsService', props,
True)
else:
self.context.ssl_svc = None
self.context.keytab_svc = None
props = {
'url': schreg.get_api_url(),
}
if is_tls_enabled():
props.update({
'kerberos-credentials-service':
self.context.keytab_svc.id,
'ssl-context-service':
self.context.ssl_svc.id,
})
self.context.sr_svc = nf.create_controller(
self.context.sensor_pg,
'org.apache.nifi.schemaregistry.hortonworks.HortonworksSchemaRegistry',
props, True)
self.context.json_reader_svc = nf.create_controller(
self.context.sensor_pg, 'org.apache.nifi.json.JsonTreeReader', {
'schema-access-strategy': 'schema-name',
'schema-registry': self.context.sr_svc.id
}, True)
self.context.json_writer_svc = nf.create_controller(
self.context.sensor_pg, 'org.apache.nifi.json.JsonRecordSetWriter',
{
'schema-access-strategy': 'schema-name',
'schema-registry': self.context.sr_svc.id,
'Schema Write Strategy': 'hwx-schema-ref-attributes'
}, True)
self.context.avro_writer_svc = nf.create_controller(
self.context.sensor_pg, 'org.apache.nifi.avro.AvroRecordSetWriter',
{
'schema-access-strategy': 'schema-name',
'schema-registry': self.context.sr_svc.id,
'Schema Write Strategy': 'hwx-content-encoded-schema'
}, True)
# Create flow
sensor_port = canvas.create_port(self.context.sensor_pg.id,
'INPUT_PORT', 'Sensor Data',
'STOPPED', (0, 0))
upd_attr = nf.create_processor(
self.context.sensor_pg, 'Set Schema Name',
'org.apache.nifi.processors.attributes.UpdateAttribute', (0, 100),
{
'properties': {
'schema.name': 'SensorReading',
},
})
canvas.create_connection(sensor_port, upd_attr)
props = {
'topic': 'iot',
'record-reader': self.context.json_reader_svc.id,
'record-writer': self.context.json_writer_svc.id,
}
props.update(
kafka.get_common_client_properties(self.context, 'producer',
CONSUMER_GROUP_ID,
PRODUCER_CLIENT_ID))
pub_kafka = nf.create_processor(
self.context.sensor_pg, 'Publish to Kafka topic: iot', [
'org.apache.nifi.processors.kafka.pubsub.PublishKafkaRecord_2_6',
'org.apache.nifi.processors.kafka.pubsub.PublishKafkaRecord_2_0'
], (0, 300), {
'properties': props,
'autoTerminatedRelationships': ['success'],
})
canvas.create_connection(upd_attr, pub_kafka, ['success'])
fail_funnel = nf.create_funnel(self.context.sensor_pg.id, (600, 343))
canvas.create_connection(pub_kafka, fail_funnel, ['failure'])
# Commit changes
nifireg.save_flow_ver(self.context.sensor_pg,
self.context.reg_client,
self.context.sensor_bucket,
flow_id=self.context.sensor_flow.
version_control_information.flow_id,
comment='First version - {}'.format(self.run_id))
# Start flow
canvas.schedule_process_group(self.context.root_pg.id, True)
# Update "from Gateway" input port to connect to the process group
nf.update_connection(self.context.from_gw, self.context.temp_funnel,
sensor_port)
canvas.schedule_components(self.context.root_pg.id, True,
[sensor_port])
