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authora.sreekumar <ajith.sreekumar@est.tech>2020-03-01 19:38:50 +0000
committera.sreekumar <ajith.sreekumar@est.tech>2020-03-03 15:47:23 +0000
commit3db2a659f2d75a7303b39235dd81f4d55d3b87e2 (patch)
treeb631079782ff64f49494807acd78678f8ccf45f2 /plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc
parent5922128637471bfa1897b8808561000988da733d (diff)
GRPC support for APEX-CDS interaction
Change-Id: I586153244dbd97a41e9b9d616ee9a84327b7c2da Issue-ID: POLICY-1656 Signed-off-by: a.sreekumar <ajith.sreekumar@est.tech>
Diffstat (limited to 'plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc')
-rw-r--r--plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/pom.xml76
-rw-r--r--plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/src/main/java/org/onap/policy/apex/plugins/event/carrier/grpc/ApexGrpcConsumer.java72
-rw-r--r--plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/src/main/java/org/onap/policy/apex/plugins/event/carrier/grpc/ApexGrpcProducer.java152
-rw-r--r--plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/src/main/java/org/onap/policy/apex/plugins/event/carrier/grpc/GrpcCarrierTechnologyParameters.java90
-rw-r--r--plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/src/main/java/org/onap/policy/apex/plugins/event/carrier/grpc/package-info.java21
-rw-r--r--plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/src/test/java/org/onap/policy/apex/plugins/event/carrier/grpc/ApexGrpcConsumerTest.java93
-rw-r--r--plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/src/test/java/org/onap/policy/apex/plugins/event/carrier/grpc/ApexGrpcProducerTest.java98
-rw-r--r--plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/src/test/java/org/onap/policy/apex/plugins/event/carrier/grpc/GrpcCarrierTechnologyParametersTest.java87
-rw-r--r--plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/src/test/resources/executionServiceInputEvent.json25
9 files changed, 714 insertions, 0 deletions
diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/pom.xml b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/pom.xml
new file mode 100644
index 000000000..443f8f173
--- /dev/null
+++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/pom.xml
@@ -0,0 +1,76 @@
+<?xml version="1.0"?>
+<!--
+ ============LICENSE_START=======================================================
+ Copyright (C) 2020 Nordix Foundation.
+ ================================================================================
+ 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.
+
+ SPDX-License-Identifier: Apache-2.0
+ ============LICENSE_END=========================================================
+-->
+<project
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
+ xmlns="http://maven.apache.org/POM/4.0.0"
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+ <modelVersion>4.0.0</modelVersion>
+ <parent>
+ <groupId>org.onap.policy.apex-pdp.plugins.plugins-event.plugins-event-carrier</groupId>
+ <artifactId>plugins-event-carrier</artifactId>
+ <version>2.3.0-SNAPSHOT</version>
+ </parent>
+
+ <artifactId>plugins-event-carrier-grpc</artifactId>
+ <name>${project.artifactId}</name>
+ <description>[${project.parent.artifactId}] Plugin for handling GRPC requests and responses</description>
+ <dependencies>
+ <dependency>
+ <groupId>org.onap.policy.models.policy-models-interactions.model-impl</groupId>
+ <artifactId>cds</artifactId>
+ <version>${version.policy.models}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.onap.policy.models.policy-models-interactions.model-actors</groupId>
+ <artifactId>actor.cds</artifactId>
+ <version>${version.policy.models}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.assertj</groupId>
+ <artifactId>assertj-core</artifactId>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.mockito</groupId>
+ <artifactId>mockito-all</artifactId>
+ <scope>test</scope>
+ </dependency>
+ </dependencies>
+ <profiles>
+ <profile>
+ <id>apexSite</id>
+ <activation>
+ <property>
+ <name>apexSite</name>
+ </property>
+ </activation>
+ <properties>
+ <adsite-plugins-event-carrier-grpc-dir>${project.basedir}/src</adsite-plugins-event-carrier-grpc-dir>
+ </properties>
+ <distributionManagement>
+ <site>
+ <id>${project.artifactId}-site</id>
+ <url>${apex.adsite.prefix}/modules/plugins/plugins-event/${project.parent.artifactId}/${project.artifactId}/</url>
+ </site>
+ </distributionManagement>
+ </profile>
+ </profiles>
+</project>
diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/src/main/java/org/onap/policy/apex/plugins/event/carrier/grpc/ApexGrpcConsumer.java b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/src/main/java/org/onap/policy/apex/plugins/event/carrier/grpc/ApexGrpcConsumer.java
new file mode 100644
index 000000000..7333c8a05
--- /dev/null
+++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/src/main/java/org/onap/policy/apex/plugins/event/carrier/grpc/ApexGrpcConsumer.java
@@ -0,0 +1,72 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2020 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.apex.plugins.event.carrier.grpc;
+
+import org.onap.policy.apex.service.engine.event.ApexEventException;
+import org.onap.policy.apex.service.engine.event.ApexEventReceiver;
+import org.onap.policy.apex.service.engine.event.ApexEventRuntimeException;
+import org.onap.policy.apex.service.engine.event.ApexPluginsEventConsumer;
+import org.onap.policy.apex.service.engine.event.PeeredReference;
+import org.onap.policy.apex.service.parameters.eventhandler.EventHandlerParameters;
+import org.onap.policy.apex.service.parameters.eventhandler.EventHandlerPeeredMode;
+
+/**
+ * This class implements an Apex gRPC consumer. It is not expected to receive events using gRPC.
+ * So, initializing a gRPC consumer will result in error.
+ *
+ * @author Ajith Sreekumar (ajith.sreekumar@est.tech)
+ */
+public class ApexGrpcConsumer extends ApexPluginsEventConsumer {
+
+ private static final String GRPC_CONSUMER_ERROR_MSG =
+ "A gRPC Consumer may not be specified. Only sending events is possible using gRPC";
+
+ @Override
+ public void init(final String consumerName, final EventHandlerParameters consumerParameters,
+ final ApexEventReceiver incomingEventReceiver) throws ApexEventException {
+ throw new ApexEventException(GRPC_CONSUMER_ERROR_MSG);
+ }
+
+ @Override
+ public void run() {
+ throw new ApexEventRuntimeException(GRPC_CONSUMER_ERROR_MSG);
+ }
+
+ @Override
+ public void start() {
+ throw new ApexEventRuntimeException(GRPC_CONSUMER_ERROR_MSG);
+ }
+
+ @Override
+ public void stop() {
+ throw new ApexEventRuntimeException(GRPC_CONSUMER_ERROR_MSG);
+ }
+
+ @Override
+ public PeeredReference getPeeredReference(EventHandlerPeeredMode peeredMode) {
+ throw new ApexEventRuntimeException(GRPC_CONSUMER_ERROR_MSG);
+ }
+
+ @Override
+ public void setPeeredReference(EventHandlerPeeredMode peeredMode, PeeredReference peeredReference) {
+ throw new ApexEventRuntimeException(GRPC_CONSUMER_ERROR_MSG);
+ }
+}
diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/src/main/java/org/onap/policy/apex/plugins/event/carrier/grpc/ApexGrpcProducer.java b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/src/main/java/org/onap/policy/apex/plugins/event/carrier/grpc/ApexGrpcProducer.java
new file mode 100644
index 000000000..380ae1274
--- /dev/null
+++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/src/main/java/org/onap/policy/apex/plugins/event/carrier/grpc/ApexGrpcProducer.java
@@ -0,0 +1,152 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2020 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.apex.plugins.event.carrier.grpc;
+
+import com.google.protobuf.InvalidProtocolBufferException;
+import com.google.protobuf.util.JsonFormat;
+import java.util.Properties;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicReference;
+import org.onap.ccsdk.cds.controllerblueprints.common.api.EventType;
+import org.onap.ccsdk.cds.controllerblueprints.common.api.Status;
+import org.onap.ccsdk.cds.controllerblueprints.processing.api.ExecutionServiceInput;
+import org.onap.ccsdk.cds.controllerblueprints.processing.api.ExecutionServiceInput.Builder;
+import org.onap.ccsdk.cds.controllerblueprints.processing.api.ExecutionServiceOutput;
+import org.onap.policy.apex.service.engine.event.ApexEventException;
+import org.onap.policy.apex.service.engine.event.ApexEventRuntimeException;
+import org.onap.policy.apex.service.engine.event.ApexPluginsEventProducer;
+import org.onap.policy.apex.service.parameters.eventhandler.EventHandlerParameters;
+import org.onap.policy.cds.api.CdsProcessorListener;
+import org.onap.policy.cds.client.CdsProcessorGrpcClient;
+import org.onap.policy.cds.properties.CdsServerProperties;
+import org.onap.policy.controlloop.actor.cds.constants.CdsActorConstants;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Concrete implementation of an Apex gRPC plugin that manages to send a GRPC request.
+ *
+ * @author Ajith Sreekumar(ajith.sreekumar@est.tech)
+ *
+ */
+public class ApexGrpcProducer extends ApexPluginsEventProducer implements CdsProcessorListener {
+ private static final Logger LOGGER = LoggerFactory.getLogger(ApexGrpcProducer.class);
+
+ private CdsServerProperties props;
+ // The gRPC client
+ private CdsProcessorGrpcClient client;
+
+ private AtomicReference<ExecutionServiceOutput> cdsResponse = new AtomicReference<>();
+
+ /**
+ * {@inheritDoc}.
+ */
+ @Override
+ public void init(final String producerName, final EventHandlerParameters producerParameters)
+ throws ApexEventException {
+ this.name = producerName;
+
+ // Check and get the gRPC Properties
+ if (!(producerParameters.getCarrierTechnologyParameters() instanceof GrpcCarrierTechnologyParameters)) {
+ final String errorMessage =
+ "Specified producer properties are not applicable to gRPC producer (" + this.name + ")";
+ throw new ApexEventException(errorMessage);
+ }
+ GrpcCarrierTechnologyParameters grpcProducerProperties =
+ (GrpcCarrierTechnologyParameters) producerParameters.getCarrierTechnologyParameters();
+
+ client = makeGrpcClient(grpcProducerProperties);
+ }
+
+ private CdsProcessorGrpcClient makeGrpcClient(GrpcCarrierTechnologyParameters grpcProducerProperties) {
+ props = new CdsServerProperties();
+ props.setHost(grpcProducerProperties.getHost());
+ props.setPort(grpcProducerProperties.getPort());
+ props.setUsername(grpcProducerProperties.getUsername());
+ props.setPassword(grpcProducerProperties.getPassword());
+ props.setTimeout(grpcProducerProperties.getTimeout());
+
+ return new CdsProcessorGrpcClient(this, props);
+ }
+
+ /**
+ * {@inheritDoc}.
+ */
+ @Override
+ public void sendEvent(final long executionId, final Properties executionProperties, final String eventName,
+ final Object event) {
+
+ ExecutionServiceInput executionServiceInput;
+ Builder builder = ExecutionServiceInput.newBuilder();
+ try {
+ JsonFormat.parser().ignoringUnknownFields().merge((String) event, builder);
+ executionServiceInput = builder.build();
+ } catch (InvalidProtocolBufferException e) {
+ throw new ApexEventRuntimeException(
+ "Incoming Event cannot be converted to ExecutionServiceInput type for gRPC request." + e.getMessage());
+ }
+ try {
+ CountDownLatch countDownLatch = client.sendRequest(executionServiceInput);
+ if (!countDownLatch.await(props.getTimeout(), TimeUnit.SECONDS)) {
+ cdsResponse.set(ExecutionServiceOutput.newBuilder().setStatus(Status.newBuilder()
+ .setErrorMessage(CdsActorConstants.TIMED_OUT).setEventType(EventType.EVENT_COMPONENT_FAILURE))
+ .build());
+ LOGGER.error("gRPC Request timed out.");
+ }
+ } catch (InterruptedException e) {
+ LOGGER.error("gRPC request failed. {}", e.getMessage());
+ cdsResponse.set(ExecutionServiceOutput.newBuilder().setStatus(Status.newBuilder()
+ .setErrorMessage(CdsActorConstants.INTERRUPTED).setEventType(EventType.EVENT_COMPONENT_FAILURE))
+ .build());
+ Thread.currentThread().interrupt();
+ }
+
+ if (!EventType.EVENT_COMPONENT_EXECUTED.equals(cdsResponse.get().getStatus().getEventType())) {
+ String errorMessage = "Sending event \"" + eventName + "\" by " + this.name + " to CDS failed, "
+ + "response from CDS:\n" + cdsResponse.get();
+ throw new ApexEventRuntimeException(errorMessage);
+ }
+ }
+
+ /**
+ * {@inheritDoc}.
+ */
+ @Override
+ public void stop() {
+ client.close();
+ }
+
+ @Override
+ public void onMessage(ExecutionServiceOutput message) {
+ LOGGER.info("Received notification from CDS: {}", message);
+ cdsResponse.set(message);
+ }
+
+ @Override
+ public void onError(Throwable throwable) {
+ String errorMsg = throwable.getLocalizedMessage();
+ cdsResponse.set(ExecutionServiceOutput.newBuilder()
+ .setStatus(Status.newBuilder().setErrorMessage(errorMsg).setEventType(EventType.EVENT_COMPONENT_FAILURE))
+ .build());
+ LOGGER.error("Failed processing blueprint {} {}", errorMsg, throwable);
+ }
+}
diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/src/main/java/org/onap/policy/apex/plugins/event/carrier/grpc/GrpcCarrierTechnologyParameters.java b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/src/main/java/org/onap/policy/apex/plugins/event/carrier/grpc/GrpcCarrierTechnologyParameters.java
new file mode 100644
index 000000000..59db16743
--- /dev/null
+++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/src/main/java/org/onap/policy/apex/plugins/event/carrier/grpc/GrpcCarrierTechnologyParameters.java
@@ -0,0 +1,90 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2020 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.apex.plugins.event.carrier.grpc;
+
+import lombok.Getter;
+import lombok.Setter;
+import org.onap.policy.apex.service.parameters.carriertechnology.CarrierTechnologyParameters;
+import org.onap.policy.common.parameters.annotations.Max;
+import org.onap.policy.common.parameters.annotations.Min;
+import org.onap.policy.common.parameters.annotations.NotNull;
+
+// @formatter:off
+/**
+ * Apex parameters for gRPC as an event carrier technology.
+ *
+ * <p>The parameters for this plugin are:
+ * <ol>
+ * <li>host: The host on which CDS is running. This parameter is mandatory
+ * <li>port: The port on the CDS host to connect to for CDS. This parameter is mandatory.
+ * <li>username: The username for basic authentication to connect to CDS. This parameter is mandatory.
+ * <li>password: The password for basic authentication to connect to CDS. This parameter is mandatory.
+ * <li>timeout: The timeout in seconds for CDS requests. This parameter is mandatory.
+ * </ol>
+ *
+ * @author Ajith Sreekumar(ajith.sreekumar@est.tech)
+ */
+//@formatter:on
+@Getter
+@Setter
+public class GrpcCarrierTechnologyParameters extends CarrierTechnologyParameters {
+ // @formatter:off
+ private static final int MIN_USER_PORT = 1024;
+ private static final int MAX_USER_PORT = 65535;
+
+ /** The label of this carrier technology. */
+ public static final String GRPC_CARRIER_TECHNOLOGY_LABEL = "GRPC";
+
+ /** The producer plugin class for the grpc carrier technology. */
+ public static final String GRPC_EVENT_PRODUCER_PLUGIN_CLASS = ApexGrpcProducer.class.getName();
+
+ /** The consumer plugin class for the gRPC carrier technology. */
+ public static final String GRPC_EVENT_CONSUMER_PLUGIN_CLASS = ApexGrpcConsumer.class.getName();
+
+ @Min(value = 1)
+ private int timeout;
+
+ @Min(value = MIN_USER_PORT)
+ @Max(value = MAX_USER_PORT)
+ private int port;
+
+ @NotNull
+ private String host;
+
+ @NotNull
+ private String username;
+
+ @NotNull
+ private String password;
+
+
+ /**
+ * Constructor to create a gRPC carrier technology parameters instance and register the instance with the
+ * parameter service.
+ */
+ public GrpcCarrierTechnologyParameters() {
+ super();
+ // Set the carrier technology properties for the gRPC carrier technology
+ this.setLabel(GRPC_CARRIER_TECHNOLOGY_LABEL);
+ this.setEventProducerPluginClass(GRPC_EVENT_PRODUCER_PLUGIN_CLASS);
+ this.setEventConsumerPluginClass(GRPC_EVENT_CONSUMER_PLUGIN_CLASS);
+ }
+}
diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/src/main/java/org/onap/policy/apex/plugins/event/carrier/grpc/package-info.java b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/src/main/java/org/onap/policy/apex/plugins/event/carrier/grpc/package-info.java
new file mode 100644
index 000000000..77d26266d
--- /dev/null
+++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/src/main/java/org/onap/policy/apex/plugins/event/carrier/grpc/package-info.java
@@ -0,0 +1,21 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2020 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.apex.plugins.event.carrier.grpc;
diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/src/test/java/org/onap/policy/apex/plugins/event/carrier/grpc/ApexGrpcConsumerTest.java b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/src/test/java/org/onap/policy/apex/plugins/event/carrier/grpc/ApexGrpcConsumerTest.java
new file mode 100644
index 000000000..dc5cc3809
--- /dev/null
+++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/src/test/java/org/onap/policy/apex/plugins/event/carrier/grpc/ApexGrpcConsumerTest.java
@@ -0,0 +1,93 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2020 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.apex.plugins.event.carrier.grpc;
+
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.onap.policy.apex.service.engine.event.ApexEventException;
+import org.onap.policy.apex.service.engine.event.ApexEventReceiver;
+import org.onap.policy.apex.service.parameters.eventhandler.EventHandlerParameters;
+import org.onap.policy.apex.service.parameters.eventhandler.EventHandlerPeeredMode;
+
+public class ApexGrpcConsumerTest {
+ ApexGrpcConsumer grpcConsumer = null;
+ EventHandlerParameters consumerParameters = null;
+ ApexEventReceiver incomingEventReceiver = null;
+
+ private static final String GRPC_CONSUMER_ERROR_MSG =
+ "A gRPC Consumer may not be specified. Only sending events is possible using gRPC";
+
+ /**
+ * Set up testing.
+ *
+ * @throws ApexEventException on test set up errors.
+ */
+ @Before
+ public void setUp() throws ApexEventException {
+ grpcConsumer = new ApexGrpcConsumer();
+ consumerParameters = new EventHandlerParameters();
+ consumerParameters.setCarrierTechnologyParameters(new GrpcCarrierTechnologyParameters() {});
+ }
+
+ @Test
+ public void testInit() {
+ assertThatThrownBy(() -> {
+ grpcConsumer.init("TestApexGrpcConsumer", consumerParameters, incomingEventReceiver);
+ }).hasMessage(GRPC_CONSUMER_ERROR_MSG);
+ }
+
+ @Test
+ public void testStart() {
+ assertThatThrownBy(() -> {
+ grpcConsumer.start();
+ }).hasMessage(GRPC_CONSUMER_ERROR_MSG);
+ }
+
+ @Test
+ public void testGetName() {
+ assertEquals(null, new ApexGrpcConsumer().getName());
+ }
+
+ @Test
+ public void testGetPeeredReference() {
+ assertThatThrownBy(() -> {
+ grpcConsumer.getPeeredReference(EventHandlerPeeredMode.REQUESTOR);
+ }).hasMessage(GRPC_CONSUMER_ERROR_MSG);
+ }
+
+ @Test
+ public void testSetPeeredReference() {
+ assertThatThrownBy(() -> {
+ grpcConsumer.setPeeredReference(null, null);
+ }).hasMessage(GRPC_CONSUMER_ERROR_MSG);
+ }
+
+ @Test()
+ public void testStop() {
+ assertThatThrownBy(() -> {
+ new ApexGrpcConsumer().stop();
+ }).hasMessage(GRPC_CONSUMER_ERROR_MSG);
+ }
+
+}
diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/src/test/java/org/onap/policy/apex/plugins/event/carrier/grpc/ApexGrpcProducerTest.java b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/src/test/java/org/onap/policy/apex/plugins/event/carrier/grpc/ApexGrpcProducerTest.java
new file mode 100644
index 000000000..53d191e14
--- /dev/null
+++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/src/test/java/org/onap/policy/apex/plugins/event/carrier/grpc/ApexGrpcProducerTest.java
@@ -0,0 +1,98 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2020 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.apex.plugins.event.carrier.grpc;
+
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.mockito.Mockito.spy;
+
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import org.assertj.core.api.Assertions;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.runners.MockitoJUnitRunner;
+import org.onap.policy.apex.service.engine.event.ApexEventException;
+import org.onap.policy.apex.service.parameters.eventhandler.EventHandlerParameters;
+import org.onap.policy.cds.client.CdsProcessorGrpcClient;
+
+@RunWith(MockitoJUnitRunner.class)
+public class ApexGrpcProducerTest {
+ private static final String HOST = "localhost";
+ @Mock
+ private CdsProcessorGrpcClient grpcClient;
+ private ApexGrpcProducer apexGrpcProducer = spy(new ApexGrpcProducer());
+ @Mock
+ private EventHandlerParameters eventHandlerParameters;
+
+ /**
+ * Set up testing.
+ *
+ * @throws ApexEventException on test set up errors.
+ */
+ @Before
+ public void setUp() throws ApexEventException {
+ populateEventHandlerParameters(HOST, 5);
+ }
+
+ @Test(expected = ApexEventException.class)
+ public void testInit_fail() throws ApexEventException {
+ apexGrpcProducer.init("TestApexGrpcProducer", new EventHandlerParameters());
+ }
+
+ @Test
+ public void testInit_pass() {
+ // should not throw an exception
+ Assertions.assertThatCode(() -> apexGrpcProducer.init("TestApexGrpcProducer", eventHandlerParameters))
+ .doesNotThrowAnyException();
+ }
+
+ @Test
+ public void testStop() throws ApexEventException {
+ apexGrpcProducer.init("TestApexGrpcProducer", eventHandlerParameters);
+ // should not throw an exception
+ Assertions.assertThatCode(() -> apexGrpcProducer.stop()).doesNotThrowAnyException();
+ }
+
+ @Test
+ public void testSendEvent() throws ApexEventException {
+ apexGrpcProducer.init("TestApexGrpcProducer", eventHandlerParameters);
+ assertThatThrownBy(() -> {
+ apexGrpcProducer.sendEvent(123, null, "grpcEvent",
+ Files.readString(Paths.get("src/test/resources/executionServiceInputEvent.json")));
+ }).hasMessageContaining("UNAVAILABLE: io exception");
+ }
+
+ private void populateEventHandlerParameters(String host, int timeout) {
+ eventHandlerParameters = new EventHandlerParameters();
+ GrpcCarrierTechnologyParameters params = new GrpcCarrierTechnologyParameters();
+ params.setLabel("GRPC");
+ params.setEventProducerPluginClass(ApexGrpcProducer.class.getName());
+ params.setEventConsumerPluginClass(ApexGrpcConsumer.class.getName());
+ params.setHost(host);
+ params.setPort(3214);
+ params.setUsername("dummyUser");
+ params.setPassword("dummyPassword");
+ params.setTimeout(timeout);
+ eventHandlerParameters.setCarrierTechnologyParameters(params);
+ }
+}
diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/src/test/java/org/onap/policy/apex/plugins/event/carrier/grpc/GrpcCarrierTechnologyParametersTest.java b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/src/test/java/org/onap/policy/apex/plugins/event/carrier/grpc/GrpcCarrierTechnologyParametersTest.java
new file mode 100644
index 000000000..a3994c29e
--- /dev/null
+++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/src/test/java/org/onap/policy/apex/plugins/event/carrier/grpc/GrpcCarrierTechnologyParametersTest.java
@@ -0,0 +1,87 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2020 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.apex.plugins.event.carrier.grpc;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.onap.policy.common.parameters.GroupValidationResult;
+
+public class GrpcCarrierTechnologyParametersTest {
+
+ private static final String USERNAME = "username";
+ private static final String PASSWORD = "password";
+ private static final String HOST = "localhost";
+
+ private GrpcCarrierTechnologyParameters params;
+
+ @Before
+ public void setUp() {
+ params = new GrpcCarrierTechnologyParameters();
+ }
+
+ @Test
+ public void testGrpcCarrierTechnologyParameters_invalid() {
+ GroupValidationResult result = params.validate();
+ assertFalse(result.isValid());
+ assertTrue(result.getResult().contains("field \"timeout\" type \"int\" value \"0\" INVALID, must be >= 1"));
+ assertTrue(result.getResult().contains("field \"port\" type \"int\" value \"0\" INVALID, must be >= 1024"));
+ assertTrue(
+ result.getResult().contains("field \"host\" type \"java.lang.String\" value \"null\" INVALID, is null"));
+ assertTrue(result.getResult()
+ .contains("field \"username\" type \"java.lang.String\" value \"null\" INVALID, is null"));
+ assertTrue(result.getResult()
+ .contains("field \"password\" type \"java.lang.String\" value \"null\" INVALID, is null"));
+ assertTrue(result.getResult().contains(""));
+ assertTrue(result.getResult().contains(""));
+ }
+
+ @Test
+ public void testGrpcCarrierTechnologyParameters_valid() {
+ assertEquals("GRPC", params.getName());
+ assertEquals(ApexGrpcConsumer.class.getName(), params.getEventConsumerPluginClass());
+ assertEquals(ApexGrpcProducer.class.getName(), params.getEventProducerPluginClass());
+
+ params.setHost(HOST);
+ params.setPassword(PASSWORD);
+ params.setPort(2233);
+ params.setTimeout(1000);
+ params.setUsername(USERNAME);
+ GroupValidationResult result = params.validate();
+ assertTrue(result.isValid());
+ }
+
+ @Test
+ public void testGrpcCarrierTechnologyParameters_invalid_values() {
+ params.setHost(HOST);
+ params.setPassword(PASSWORD);
+ params.setTimeout(1000);
+ params.setUsername(USERNAME);
+
+ params.setPort(23); // invalid value
+ GroupValidationResult result = params.validate();
+ assertFalse(result.isValid());
+ assertTrue(result.getResult().contains("field \"port\" type \"int\" value \"23\" INVALID, must be >= 1024"));
+ }
+}
diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/src/test/resources/executionServiceInputEvent.json b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/src/test/resources/executionServiceInputEvent.json
new file mode 100644
index 000000000..1054af14a
--- /dev/null
+++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-grpc/src/test/resources/executionServiceInputEvent.json
@@ -0,0 +1,25 @@
+{
+ "actionIdentifiers": {
+ "actionName": "actionName",
+ "blueprintName": "bluePrintName",
+ "blueprintVersion": "1.0.0",
+ "mode": "sync"
+ },
+ "commonHeader": {
+ "originatorId": "sdnc",
+ "requestId": "1234567",
+ "subRequestId": "subReqId"
+ },
+ "payload": {
+ "config-assign-request": {
+ "resolution-key": "RES-KEY",
+ "config-assign-properties": {
+ "service-instance-id": "sid12",
+ "pnf-id": "pnf-id",
+ "pnf-address": "1.2.3.4",
+ "service-uuid": "service-uuid",
+ "customization-uuid": "customization-uuid"
+ }
+ }
+ }
+}