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 test_create_registry_client(): # First remove any leftover test client connections [ versioning.delete_registry_client(li) for li in versioning.list_registry_clients().registries if config.test_registry_client_name in li.component.name ] r = versioning.create_registry_client( name=config.test_registry_client_name, uri=config.test_docker_registry_endpoint, description='a test connection') assert isinstance(r, nifi.RegistryClientEntity) # test duplicate catch result with pytest.raises(ValueError): _ = versioning.create_registry_client( name=config.test_registry_client_name, uri=config.test_docker_registry_endpoint, description='who cares?')
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])