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_connect_output_ports(regress_nifi, fix_pg):
f_pg_1 = fix_pg.generate()
f_pg_2 = fix_pg.generate()
f_pg_1_output = canvas.create_port(f_pg_1.id, 'OUTPUT_PORT',
conftest.test_basename + 'output',
'STOPPED')
f_pg_2_input = canvas.create_port(f_pg_2.id, 'INPUT_PORT',
conftest.test_basename + 'input',
'STOPPED')
r1 = canvas.create_connection(source=f_pg_1_output,
target=f_pg_2_input,
name=conftest.test_basename)
assert isinstance(r1, nifi.ConnectionEntity)
def test_input_output_ports(regress_nifi, fix_pg):
root_input_port = canvas.create_port(pg_id=canvas.get_root_pg_id(),
port_type='INPUT_PORT',
name=conftest.test_basename +
'input_port',
state='STOPPED')
assert isinstance(root_input_port, nifi.PortEntity)
root_output_port = canvas.create_port(pg_id=canvas.get_root_pg_id(),
port_type='OUTPUT_PORT',
name=conftest.test_basename +
'output_port',
state='STOPPED')
assert isinstance(root_output_port, nifi.PortEntity)
input_ports = [
x for x in canvas.list_all_by_kind('input_ports')
if conftest.test_basename in x.status.name
]
assert len(input_ports) == 1
output_ports = [
x for x in canvas.list_all_by_kind('output_ports')
if conftest.test_basename in x.status.name
]
assert len(output_ports) == 1
f_pg = fix_pg.generate()
f_pg_input_port = canvas.create_port(pg_id=f_pg.id,
port_type='INPUT_PORT',
name=conftest.test_basename +
'input_port',
state='STOPPED')
assert isinstance(f_pg_input_port, nifi.PortEntity)
f_pg_output_port = canvas.create_port(pg_id=f_pg.id,
port_type='OUTPUT_PORT',
name=conftest.test_basename +
'output_port',
state='STOPPED')
assert isinstance(f_pg_output_port, nifi.PortEntity)
input_ports = [
x for x in canvas.list_all_by_kind('input_ports')
if conftest.test_basename in x.status.name
]
assert len(input_ports) == 2
output_ports = [
x for x in canvas.list_all_by_kind('output_ports')
if conftest.test_basename in x.status.name
]
assert len(output_ports) == 2
d1 = canvas.delete_port(root_input_port)
assert isinstance(d1, nifi.PortEntity)
assert d1.status is None
def step2_edge_flow(env):
# Create input port and funnel in NiFi
env.from_gw = canvas.create_port(env.root_pg.id, 'INPUT_PORT',
'from Gateway', 'STOPPED', (0, 200))
funnel_position = (96, 350)
env.temp_funnel = create_funnel(env.root_pg.id, (96, 350))
canvas.create_connection(env.from_gw, env.temp_funnel)
# Create flow in EFM
env.consume_mqtt = efm_create_processor(
env.flow_id, env.efm_pg_id, 'ConsumeMQTT',
'org.apache.nifi.processors.mqtt.ConsumeMQTT', (100, 100), {
'Broker URI': 'tcp://edge2ai-1.dim.local:1883',
'Client ID': 'minifi-iot',
'Topic Filter': 'iot/#',
'Max Queue Size': '60',
})
env.nifi_rpg = efm_create_remote_processor_group(env.flow_id,
env.efm_pg_id,
'Remote PG', _NIFI_URL,
'HTTP', (100, 400))
env.consume_conn = efm_create_connection(env.flow_id,
env.efm_pg_id,
env.consume_mqtt,
'PROCESSOR',
env.nifi_rpg,
'REMOTE_INPUT_PORT', ['Message'],
destination_port=env.from_gw.id)
# Create a bucket in NiFi Registry to save the edge flow versions
if not versioning.get_registry_bucket('IoT'):
versioning.create_registry_bucket('IoT')
# Publish/version the flow
efm_publish_flow(env.flow_id, 'First version - ' + env.run_id)
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 lab2_edge_flow(self):
# Create input port and funnel in NiFi
self.context.from_gw = canvas.create_port(self.context.root_pg.id,
'INPUT_PORT', 'from Gateway',
'STOPPED', (0, 200))
self.context.temp_funnel = nf.create_funnel(self.context.root_pg.id,
(96, 350))
canvas.create_connection(self.context.from_gw,
self.context.temp_funnel)
canvas.schedule_components(self.context.root_pg.id, True,
[self.context.from_gw])
# Create flow in EFM
self.context.consume_mqtt = efm.create_processor(
self.context.flow_id, self.context.efm_pg_id, 'ConsumeMQTT',
'org.apache.nifi.processors.mqtt.ConsumeMQTT', (100, 100), {
'Broker URI':
'tcp://{hostname}:1883'.format(hostname=get_hostname()),
'Client ID':
'minifi-iot',
'Topic Filter':
'iot/#',
'Max Queue Size':
'60',
})
self.context.nifi_rpg = efm.create_remote_processor_group(
self.context.flow_id, self.context.efm_pg_id, 'Remote PG',
nf.get_url(), 'HTTP', (100, 400))
self.context.consume_conn = efm.create_connection(
self.context.flow_id,
self.context.efm_pg_id,
self.context.consume_mqtt,
'PROCESSOR',
self.context.nifi_rpg,
'REMOTE_INPUT_PORT', ['Message'],
destination_port=self.context.from_gw.id,
name='Sensor data',
flow_file_expiration='60 seconds')
# Create a bucket in NiFi Registry to save the edge flow versions
if not versioning.get_registry_bucket('IoT'):
versioning.create_registry_bucket('IoT')
# Publish/version the flow
efm.publish_flow(self.context.flow_id,
'First version - {}'.format(self.run_id))
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])
