package com.thinkbiganalytics.nifi.feedmgr;
/*-
* #%L
* thinkbig-nifi-rest-client-v1
* %%
* Copyright (C) 2017 ThinkBig Analytics
* %%
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* #L%
*/
import com.google.common.collect.ImmutableSet;
import com.thinkbiganalytics.nifi.rest.client.LegacyNifiRestClient;
import com.thinkbiganalytics.nifi.rest.client.NiFiControllerServicesRestClient;
import com.thinkbiganalytics.nifi.rest.client.NiFiRestClient;
import com.thinkbiganalytics.nifi.rest.model.NiFiAllowableValue;
import com.thinkbiganalytics.nifi.rest.model.NiFiPropertyDescriptor;
import com.thinkbiganalytics.nifi.rest.model.NiFiPropertyDescriptorTransform;
import com.thinkbiganalytics.nifi.rest.model.NifiProperty;
import org.apache.nifi.web.api.dto.AllowableValueDTO;
import org.apache.nifi.web.api.dto.ControllerServiceDTO;
import org.apache.nifi.web.api.dto.ProcessorConfigDTO;
import org.apache.nifi.web.api.dto.ProcessorDTO;
import org.apache.nifi.web.api.dto.PropertyDescriptorDTO;
import org.apache.nifi.web.api.dto.status.ProcessGroupStatusDTO;
import org.apache.nifi.web.api.entity.AllowableValueEntity;
import org.junit.Assert;
import org.junit.Test;
import org.mockito.Mockito;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.concurrent.atomic.AtomicReference;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import javax.annotation.Nonnull;
public class TemplateCreationHelperTest {
/**
* Verify preferring enabled controller services over disabled controller services when updating processor properties.
*/
@Test
public void updateControllerServiceReferencesWithEnabled() {
final AtomicReference<NifiProperty> updateProperty = new AtomicReference<>();
// Mock NiFi client
final LegacyNifiRestClient restClient = Mockito.mock(LegacyNifiRestClient.class);
Mockito.when(restClient.getPropertyDescriptorTransform()).thenReturn(new MockNiFiPropertyDescriptorTransform());
Mockito.doAnswer(invocation -> {
updateProperty.set(invocation.getArgumentAt(2, NifiProperty.class));
return null;
}).when(restClient).updateProcessorProperty(Mockito.isNull(String.class), Mockito.eq("P1"), Mockito.any());
final ControllerServiceDTO service1 = new ControllerServiceDTO();
service1.setId("S1");
service1.setName("Service1");
service1.setProperties(Collections.emptyMap());
service1.setState("DISABLED");
final ControllerServiceDTO service2 = new ControllerServiceDTO();
service2.setId("S2");
service2.setName("Service2");
service2.setProperties(Collections.emptyMap());
service2.setState("ENABLED");
Mockito.when(restClient.getControllerServices()).thenReturn(ImmutableSet.of(service1, service2));
// Mock processors
final ProcessorConfigDTO config = new ProcessorConfigDTO();
config.setDescriptors(Collections.singletonMap("service", newPropertyDescriptor("service", "com.example.Service", "S1", "S2")));
config.setProperties(Collections.singletonMap("service", "invalid"));
final ProcessorDTO processor = new ProcessorDTO();
processor.setId("P1");
processor.setName("Processor1");
processor.setConfig(config);
// Update processors
final TemplateCreationHelper helper = new TemplateCreationHelper(restClient);
helper.snapshotControllerServiceReferences();
helper.identifyNewlyCreatedControllerServiceReferences();
helper.updateControllerServiceReferences(Collections.singletonList(processor));
// Verify new processor properties
Assert.assertNotNull("Property 'Service' not set on processor 'Processor1'.", updateProperty.get());
Assert.assertEquals("S2", updateProperty.get().getValue());
}
/**
* Verify recursively enabling controller services when updating processor properties.
*/
@Test
public void updateControllerServiceReferencesWithRecursive() {
final List<ControllerServiceDTO> updatedControllerServices = new ArrayList<>();
final List<NifiProperty> updatedProperties = new ArrayList<>();
// Mock NiFi client
final NiFiControllerServicesRestClient controllerServicesRestClient = Mockito.mock(NiFiControllerServicesRestClient.class);
Mockito.when(controllerServicesRestClient.update(Mockito.any())).thenAnswer(answer -> {
final ControllerServiceDTO controllerService = answer.getArgumentAt(0, ControllerServiceDTO.class);
updatedControllerServices.add(controllerService);
return controllerService;
});
final NiFiRestClient restClient = Mockito.mock(NiFiRestClient.class);
Mockito.when(restClient.controllerServices()).thenReturn(controllerServicesRestClient);
// Mock Legacy NiFi client
final LegacyNifiRestClient legacyRestClient = Mockito.mock(LegacyNifiRestClient.class);
Mockito.when(legacyRestClient.enableControllerServiceAndSetProperties(Mockito.any(), Mockito.any())).thenReturn(new ControllerServiceDTO());
Mockito.when(legacyRestClient.getNiFiRestClient()).thenReturn(restClient);
Mockito.when(legacyRestClient.getPropertyDescriptorTransform()).thenReturn(new MockNiFiPropertyDescriptorTransform());
Mockito.doAnswer(invocation -> {
updatedProperties.add(invocation.getArgumentAt(2, NifiProperty.class));
return null;
}).when(legacyRestClient).updateProcessorProperty(Mockito.isNull(String.class), Mockito.eq("P1"), Mockito.any());
final ControllerServiceDTO service1 = new ControllerServiceDTO();
service1.setDescriptors(Collections.singletonMap("service", newPropertyDescriptor("service", "com.example.Service2", "S2")));
service1.setId("S1");
service1.setName("Service1");
service1.setProperties(newHashMap("service", "invalid"));
service1.setState("DISABLED");
final ControllerServiceDTO service2 = new ControllerServiceDTO();
service2.setId("S2");
service2.setName("Service2");
service2.setProperties(new HashMap<>());
service2.setState("ENABLED");
Mockito.when(legacyRestClient.getControllerServices()).thenReturn(ImmutableSet.of(service1, service2));
// Mock processors
final ProcessorConfigDTO config = new ProcessorConfigDTO();
config.setDescriptors(Collections.singletonMap("service", newPropertyDescriptor("service", "com.example.Service1", "S1")));
config.setProperties(Collections.singletonMap("service", "invalid"));
final ProcessorDTO processor = new ProcessorDTO();
processor.setId("P1");
processor.setName("Processor1");
processor.setConfig(config);
// Update processors
final TemplateCreationHelper helper = new TemplateCreationHelper(legacyRestClient);
helper.snapshotControllerServiceReferences();
helper.identifyNewlyCreatedControllerServiceReferences();
helper.updateControllerServiceReferences(Collections.singletonList(processor));
// Verify updated properties
Assert.assertEquals("Property 'Service' not set on controller service 'Server1'.", 1, updatedControllerServices.size());
Assert.assertEquals("S2", updatedControllerServices.get(0).getProperties().get("service"));
Assert.assertEquals("Property 'Service' not set on processor 'Processor1'.", 1, updatedProperties.size());
Assert.assertEquals("S1", updatedProperties.get(0).getValue());
}
/**
* Creates a new {@link HashMap} with the specified entry.
*
* @param k1 the key for the entry
* @param v1 the value for the entry
* @return the new {@code HashMap}
*/
@Nonnull
private <K, V> HashMap<K, V> newHashMap(K k1, V v1) {
final HashMap<K, V> map = new HashMap<K, V>();
map.put(k1, v1);
return map;
}
/**
* Creates a new {@link PropertyDescriptorDTO} that identifies the specified controller service.
*
* @param name the name of the property
* @param type the type of controller service
* @param allowableValues the allowable controller service ids
* @return the new property descriptor
*/
@Nonnull
private PropertyDescriptorDTO newPropertyDescriptor(@Nonnull final String name, @Nonnull final String type, @Nonnull final String... allowableValues) {
// Create the list of allowable values
final List<AllowableValueEntity> allowableValueEntities = Stream.of(allowableValues)
.map(value -> {
final AllowableValueDTO dto = new AllowableValueDTO();
dto.setValue(value);
return dto;
})
.map(dto -> {
final AllowableValueEntity entity = new AllowableValueEntity();
entity.setAllowableValue(dto);
return entity;
})
.collect(Collectors.toList());
// Create the property descriptor
final PropertyDescriptorDTO property = new PropertyDescriptorDTO();
property.setAllowableValues(allowableValueEntities);
property.setName(name);
property.setIdentifiesControllerService(type);
property.setRequired(true);
return property;
}
/**
* Implementation of {@link NiFiPropertyDescriptorTransform} for testing.
*/
private class MockNiFiPropertyDescriptorTransform implements NiFiPropertyDescriptorTransform {
@Override
public Boolean isSensitive(@Nonnull final PropertyDescriptorDTO propertyDescriptorDTO) {
return false;
}
@Nonnull
@Override
public NiFiPropertyDescriptor toNiFiPropertyDescriptor(@Nonnull final PropertyDescriptorDTO dto) {
final NiFiPropertyDescriptor nifi = new NiFiPropertyDescriptor();
nifi.setName(dto.getName());
nifi.setRequired(dto.isRequired());
nifi.setIdentifiesControllerService(dto.getIdentifiesControllerService());
if (dto.getAllowableValues() != null) {
final List<NiFiAllowableValue> allowableValues = dto.getAllowableValues().stream()
.map(AllowableValueEntity::getAllowableValue)
.map(allowableValueDTO -> {
final NiFiAllowableValue nifiAllowableValue = new NiFiAllowableValue();
nifiAllowableValue.setValue(allowableValueDTO.getValue());
return nifiAllowableValue;
})
.collect(Collectors.toList());
nifi.setAllowableValues(allowableValues);
}
return nifi;
}
@Override
public String getQueuedCount(ProcessGroupStatusDTO processGroupStatusDTO) {
return null;
}
}
}