Enhance gRPC Simulator:

1.Make gRPC Simulator respond to different actions by generating the response on the basis of received request.
2.Include CDS Simulator in policy-models-simulator
3.Introduce a packages module in models-sim to package the docker image of policy-models-simulator which includes all the simulators(pdp-simulator to be added in future) in models.
4.The Jenkins job changes to push this newly created Docker image may be taken in the next release.

Issue-ID: POLICY-2828
Signed-off-by: puthuparambil.aditya <aditya.puthuparambil@bell.ca>
Change-Id: Ic1663bbe8205c64a8133ea0b0c28152f21d0732a

14 files changed, 655 insertions, 2 deletions

diff --git a/models-sim/packages/models-simulator-docker/pom.xml b/models-sim/packages/models-simulator-docker/pom.xml
new file mode 100644
index 000000000..c6f4717c0
--- /dev/null
+++ b/models-sim/packages/models-simulator-docker/pom.xml
@@ -0,0 +1,174 @@
+<!--
+  ============LICENSE_START=======================================================
+   Copyright (C) 2020 Bell Canada.
+  ================================================================================
+  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 xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.onap.policy.models.sim</groupId>
+        <artifactId>policy-models-sim</artifactId>
+        <version>2.3.2-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>models-simulator-docker</artifactId>
+    <packaging>pom</packaging>
+
+    <name>${project.artifactId}</name>
+    <description>The module for creating docker images of Simulators component.</description>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+        <dist.project.version>${project.version}</dist.project.version>
+        <docker.skip>false</docker.skip>
+        <docker.skip.build>false</docker.skip.build>
+        <docker.skip.push>false</docker.skip.push>
+        <docker.pull.registry>nexus3.onap.org:10001</docker.pull.registry>
+        <docker.push.registry>nexus3.onap.org:10003</docker.push.registry>
+        <maven.build.timestamp.format>yyyyMMdd'T'HHmm</maven.build.timestamp.format>
+    </properties>
+
+    <build>
+        <finalName>${project.artifactId}-${project.version}</finalName>
+        <plugins>
+            <plugin>
+                <groupId>org.codehaus.groovy.maven</groupId>
+                <artifactId>gmaven-plugin</artifactId>
+                <version>1.0</version>
+                <executions>
+                    <execution>
+                        <phase>validate</phase>
+                        <goals>
+                            <goal>execute</goal>
+                        </goals>
+                        <configuration>
+                            <source>
+                                println 'Project version: ' + project.properties['dist.project.version']
+                                if (project.properties['dist.project.version'] != null) {
+                                    def versionArray = project.properties['dist.project.version'].split('-')
+                                    def minMaxVersionArray = versionArray[0].tokenize('.')
+                                    if (project.properties['dist.project.version'].endsWith("-SNAPSHOT")) {
+                                        project.properties['project.docker.latest.minmax.tag.version'] =
+                                          minMaxVersionArray[0] + "." + minMaxVersionArray[1] + "-SNAPSHOT-latest"
+                                    } else {
+                                        project.properties['project.docker.latest.minmax.tag.version'] =
+                                          minMaxVersionArray[0] + "." + minMaxVersionArray[1] + "-STAGING-latest"
+                                    }
+                                    println 'New tag for docker: ' + project.properties['project.docker.latest.minmax.tag.version']
+                                }
+                            </source>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+
+            <plugin>
+                <groupId>io.fabric8</groupId>
+                <artifactId>docker-maven-plugin</artifactId>
+
+                <configuration>
+                    <verbose>true</verbose>
+                    <apiVersion>1.23</apiVersion>
+                    <pullRegistry>${docker.pull.registry}</pullRegistry>
+                    <pushRegistry>${docker.push.registry}</pushRegistry>
+
+                    <images>
+                        <image>
+                            <name>onap/policy-models-simulator</name>
+                            <build>
+                                <cleanup>try</cleanup>
+                                <dockerFile>Dockerfile</dockerFile>
+                                <tags>
+                                    <tag>${project.version}</tag>
+                                    <tag>${project.version}-${maven.build.timestamp}</tag>
+                                    <tag>${project.docker.latest.minmax.tag.version}</tag>
+                                </tags>
+                                <assembly>
+                                    <inline>
+                                        <dependencySets>
+                                            <dependencySet>
+                                                <includes>
+                                                    <include>org.onap.policy.models.sim:models-simulator-tarball</include>
+                                                </includes>
+                                                <outputDirectory>/lib</outputDirectory>
+                                                <outputFileNameMapping>models-simulator.tar.gz</outputFileNameMapping>
+                                            </dependencySet>
+                                        </dependencySets>
+                                    </inline>
+                                </assembly>
+                            </build>
+                        </image>
+                    </images>
+                </configuration>
+
+                <executions>
+                    <execution>
+                        <id>clean-images</id>
+                        <phase>pre-clean</phase>
+                        <goals>
+                            <goal>remove</goal>
+                        </goals>
+                        <configuration>
+                            <removeAll>true</removeAll>
+                        </configuration>
+                    </execution>
+
+                    <execution>
+                        <id>generate-images</id>
+                        <phase>generate-sources</phase>
+                        <goals>
+                            <goal>build</goal>
+                        </goals>
+                    </execution>
+
+                    <execution>
+                        <id>push-images</id>
+                        <phase>deploy</phase>
+                        <goals>
+                            <goal>build</goal>
+                            <goal>push</goal>
+                        </goals>
+                        <configuration>
+                            <image>onap/policy-models-simulator</image>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-deploy-plugin</artifactId>
+                <configuration>
+                    <skip>true</skip>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.onap.policy.models.sim</groupId>
+            <artifactId>models-simulator-tarball</artifactId>
+            <version>2.3.2-SNAPSHOT</version>
+            <classifier>tarball</classifier>
+            <type>tar.gz</type>
+        </dependency>
+    </dependencies>
+</project>
diff --git a/models-sim/packages/models-simulator-docker/src/main/docker/Dockerfile b/models-sim/packages/models-simulator-docker/src/main/docker/Dockerfile
new file mode 100644
index 000000000..a4420b343
--- /dev/null
+++ b/models-sim/packages/models-simulator-docker/src/main/docker/Dockerfile
@@ -0,0 +1,60 @@
+#
+# ============LICENSE_START=======================================================
+# ONAP
+# ================================================================================
+# Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
+# Modifications Copyright (C) 2020 Bell Canada. All rights reserved.
+# ================================================================================
+# 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=========================================================
+#
+
+#
+# Docker file to build an image that runs the simulators
+#
+
+FROM onap/policy-jre-alpine:2.1.1
+
+LABEL maintainer="Policy Team"
+
+ARG POLICY_LOGS=/var/log/onap/policy/simulators
+
+ENV POLICY_HOME /opt/app/policy
+ENV POLICY_LOGS ${POLICY_LOGS}
+
+# Create DMaaP simulator user and group
+# Add simulator-specific directories and set ownership as the simulator user
+RUN mkdir -p ${POLICY_HOME}/simulators \
+    && mkdir -p ${POLICY_HOME}/simulators/bin \
+    && mkdir -p ${POLICY_LOGS} \
+    && mkdir /packages
+
+# Unpack the tarball
+COPY /maven/* /packages
+RUN tar xvfz /packages/models-simulator.tar.gz --directory ${POLICY_HOME}/simulators \
+    && rm /packages/models-simulator.tar.gz
+
+# Ensure everything has the correct permissions
+# Copy scripts simulator user area
+COPY simulators.sh ${POLICY_HOME}/simulators/bin
+RUN find /opt/app -type d -perm 755 \
+    && find /opt/app -type f -perm 644 \
+    && chmod 755 ${POLICY_HOME}/simulators/bin/* \
+    && chown -R policy:policy $POLICY_HOME $POLICY_LOGS
+
+USER policy:policy
+
+ENV PATH ${POLICY_HOME}/simulators/bin:$PATH
+ENTRYPOINT [ "bash", "simulators.sh" ]
diff --git a/models-sim/packages/models-simulator-docker/src/main/docker/simulators.sh b/models-sim/packages/models-simulator-docker/src/main/docker/simulators.sh
new file mode 100644
index 000000000..1cec646de
--- /dev/null
+++ b/models-sim/packages/models-simulator-docker/src/main/docker/simulators.sh
@@ -0,0 +1,43 @@
+#!/bin/bash
+#
+# ============LICENSE_START=======================================================
+# ONAP
+# ================================================================================
+# Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
+# Modifications copyright (C) 2020 Bell Canada. All rights reserved.
+# ================================================================================
+# 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=========================================================
+#
+
+if [ -z "$SIMULATOR_HOME" ]
+then
+    SIMULATOR_HOME=${POLICY_HOME}/simulators
+fi
+
+JAVA_HOME=/usr/lib/jvm/java-11-openjdk
+KEYSTORE="${SIMULATOR_HOME}/etc/ssl/policy-keystore"
+KEYSTORE_PASSWD="Pol1cy_0nap"
+TRUSTSTORE="${SIMULATOR_HOME}/etc/ssl/policy-truststore"
+TRUSTSTORE_PASSWD="Pol1cy_0nap"
+
+${JAVA_HOME}/bin/java \
+    -cp "${SIMULATOR_HOME}/etc:${SIMULATOR_HOME}/lib/*" \
+    -Djavax.net.ssl.keyStore="${KEYSTORE}" \
+    -Djavax.net.ssl.keyStorePassword="${KEYSTORE_PASSWD}" \
+    -Djavax.net.ssl.trustStore="${TRUSTSTORE}" \
+    -Djavax.net.ssl.trustStorePassword="${TRUSTSTORE_PASSWD}" \
+    org.onap.policy.models.simulators.Main \
+        ${SIMULATOR_HOME}/etc/mounted/simParameters.json
diff --git a/models-sim/packages/models-simulator-tarball/pom.xml b/models-sim/packages/models-simulator-tarball/pom.xml
new file mode 100644
index 000000000..9fb1fb5fd
--- /dev/null
+++ b/models-sim/packages/models-simulator-tarball/pom.xml
@@ -0,0 +1,88 @@
+<!--
+  ============LICENSE_START=======================================================
+  ONAP
+  ================================================================================
+   Copyright (C) 2020 Bell Canada.
+  ================================================================================
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+
+  SPDX-License-Identifier: Apache-2.0
+  ============LICENSE_END=========================================================
+-->
+
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>org.onap.policy.models.sim</groupId>
+    <artifactId>policy-models-sim</artifactId>
+    <version>2.3.2-SNAPSHOT</version>
+  </parent>
+
+  <artifactId>models-simulator-tarball</artifactId>
+
+  <name>${project.artifactId}</name>
+  <description>A module that runs all "simulators", including DMaaP.</description>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.onap.policy.models.sim</groupId>
+      <artifactId>policy-models-simulators</artifactId>
+      <version>2.3.2-SNAPSHOT</version>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <resources>
+      <!-- Output the version of the service -->
+      <resource>
+        <directory>src/main/resources</directory>
+        <filtering>true</filtering>
+        <includes>
+          <include>**/version.txt</include>
+        </includes>
+      </resource>
+      <resource>
+        <directory>src/main/resources</directory>
+        <filtering>false</filtering>
+        <excludes>
+          <exclude>**/version.txt</exclude>
+        </excludes>
+      </resource>
+    </resources>
+
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-assembly-plugin</artifactId>
+        <executions>
+          <execution>
+            <id>generate-complete-tar</id>
+            <phase>package</phase>
+            <goals>
+              <goal>single</goal>
+            </goals>
+            <configuration>
+              <descriptors>
+                <descriptor>src/main/assembly.xml</descriptor>
+              </descriptors>
+              <finalName>${project.artifactId}-${project.version}</finalName>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+
+  </build>
+</project>
diff --git a/models-sim/packages/models-simulator-tarball/src/main/assembly.xml b/models-sim/packages/models-simulator-tarball/src/main/assembly.xml
new file mode 100644
index 000000000..9a2fd65df
--- /dev/null
+++ b/models-sim/packages/models-simulator-tarball/src/main/assembly.xml
@@ -0,0 +1,50 @@
+<!--
+  ============LICENSE_START=======================================================
+  Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
+  Modifications copyright (C) 2020 Bell Canada. All rights reserved.
+  ================================================================================
+  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=========================================================
+-->
+
+<assembly>
+    <id>tarball</id>
+    <formats>
+        <format>tar.gz</format>
+    </formats>
+    <includeBaseDirectory>false</includeBaseDirectory>
+    <dependencySets>
+        <dependencySet>
+            <useProjectArtifact>true</useProjectArtifact>
+            <outputDirectory>/lib</outputDirectory>
+            <unpack>false</unpack>
+            <scope>runtime</scope>
+            <includes>
+                <include>*:jar</include>
+            </includes>
+        </dependencySet>
+    </dependencySets>
+    <fileSets>
+        <fileSet>
+            <directory>${project.basedir}/src/main/resources/ssl
+            </directory>
+            <includes>
+                <include>policy*</include>
+            </includes>
+            <outputDirectory>etc${file.separator}ssl</outputDirectory>
+            <lineEnding>keep</lineEnding>
+        </fileSet>
+    </fileSets>
+</assembly>
diff --git a/models-sim/packages/models-simulator-tarball/src/main/resources/ssl/policy-keystore b/models-sim/packages/models-simulator-tarball/src/main/resources/ssl/policy-keystore
new file mode 100644
index 000000000..389df5fe5
--- /dev/null
+++ b/models-sim/packages/models-simulator-tarball/src/main/resources/ssl/policy-keystore
diff --git a/models-sim/packages/models-simulator-tarball/src/main/resources/ssl/policy-truststore b/models-sim/packages/models-simulator-tarball/src/main/resources/ssl/policy-truststore
new file mode 100644
index 000000000..8834ac257
--- /dev/null
+++ b/models-sim/packages/models-simulator-tarball/src/main/resources/ssl/policy-truststore
diff --git a/models-sim/packages/pom.xml b/models-sim/packages/pom.xml
new file mode 100644
index 000000000..14922559d
--- /dev/null
+++ b/models-sim/packages/pom.xml
@@ -0,0 +1,62 @@
+<!--
+  ============LICENSE_START=======================================================
+   Copyright (C) 2020 Bell Canada.
+  ================================================================================
+  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 xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.onap.policy.models.sim</groupId>
+        <artifactId>policy-models-sim</artifactId>
+        <version>2.3.2-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>models-sim-packages</artifactId>
+    <packaging>pom</packaging>
+
+    <name>${project.artifactId}</name>
+    <description>The module for packaging the policy-models-simulator component.</description>
+
+    <properties>
+        <!-- There is no code in this sub-module, only holds interfaces. So skip sonar. -->
+        <sonar.skip>true</sonar.skip>
+    </properties>
+
+    <profiles>
+        <profile>
+            <id>default</id>
+            <activation>
+                <activeByDefault>true</activeByDefault>
+            </activation>
+            <modules>
+                <module>models-simulator-tarball</module>
+            </modules>
+        </profile>
+        <profile>
+            <id>docker</id>
+            <modules>
+                <module>models-simulator-tarball</module>
+                <module>models-simulator-docker</module>
+            </modules>
+            <properties>
+                <docker.skip.push>false</docker.skip.push>
+            </properties>
+        </profile>
+    </profiles>
+</project>
diff --git a/models-sim/policy-models-simulators/src/main/java/org/onap/policy/models/simulators/CdsServerParameters.java b/models-sim/policy-models-simulators/src/main/java/org/onap/policy/models/simulators/CdsServerParameters.java
new file mode 100644
index 000000000..97dc35449
--- /dev/null
+++ b/models-sim/policy-models-simulators/src/main/java/org/onap/policy/models/simulators/CdsServerParameters.java
@@ -0,0 +1,97 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2020 Bell Canada.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.models.simulators;
+
+import java.nio.charset.StandardCharsets;
+import java.util.Base64;
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+import org.onap.policy.common.parameters.GroupValidationResult;
+import org.onap.policy.common.parameters.ParameterGroup;
+import org.onap.policy.common.parameters.ParameterRuntimeException;
+import org.onap.policy.common.parameters.annotations.Max;
+import org.onap.policy.common.parameters.annotations.Min;
+import org.onap.policy.common.parameters.annotations.NotNull;
+
+@Getter
+@Setter
+@ToString
+public class CdsServerParameters implements ParameterGroup {
+
+    // Port range constants
+    private static final int MIN_USER_PORT = 1024;
+    private static final int MAX_USER_PORT = 65535;
+
+    private static final String SERVER_PROPERTIES_TYPE = "CDS gRPC Server Properties";
+
+    // CDS carrier properties
+
+    // Request timeout in seconds
+    @Min(value = 1)
+    private int timeout;
+
+    @Min(value = MIN_USER_PORT)
+    @Max(value = MAX_USER_PORT)
+    private int port;
+
+    @Min(value = 0)
+    private int successRepeatCount;
+
+    private int requestedResponseDelayMs;
+
+    @NotNull
+    private String host;
+
+    @NotNull
+    private String username;
+
+    @NotNull
+    private String password;
+
+    @NotNull
+    private String resourceLocation;
+
+    @Override
+    public String getName() {
+        return SERVER_PROPERTIES_TYPE;
+    }
+
+    @Override
+    public void setName(final String name) {
+        throw new ParameterRuntimeException("The name of this ParameterGroup implementation is always " + getName());
+    }
+
+    @Override
+    public GroupValidationResult validate() {
+        return new GroupValidationResult(this);
+    }
+
+    /**
+     * Generate base64-encoded Authorization header from username and password.
+     *
+     * @return Base64 encoded string
+     */
+    public String getBasicAuth() {
+        String encodedAuth = Base64.getEncoder().encodeToString(
+                String.format("%s:%s", getUsername(), getPassword()).getBytes(StandardCharsets.UTF_8));
+        // Return encoded basic auth header
+        return "Basic " + encodedAuth;
+    }
+}
diff --git a/models-sim/policy-models-simulators/src/main/java/org/onap/policy/models/simulators/Main.java b/models-sim/policy-models-simulators/src/main/java/org/onap/policy/models/simulators/Main.java
index ed9ade562..a0fafbc9b 100644
--- a/models-sim/policy-models-simulators/src/main/java/org/onap/policy/models/simulators/Main.java
+++ b/models-sim/policy-models-simulators/src/main/java/org/onap/policy/models/simulators/Main.java
@@ -1,6 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  * Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2020 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,6 +22,7 @@
 package org.onap.policy.models.simulators;
 
 import java.io.FileNotFoundException;
+import java.io.IOException;
 import java.lang.reflect.InvocationTargetException;
 import java.util.HashMap;
 import java.util.List;
@@ -48,6 +50,7 @@ import org.onap.policy.models.sim.dmaap.parameters.DmaapSimParameterGroup;
 import org.onap.policy.models.sim.dmaap.provider.DmaapSimProvider;
 import org.onap.policy.models.sim.dmaap.rest.CambriaMessageBodyHandler;
 import org.onap.policy.models.sim.dmaap.rest.TextMessageBodyHandler;
+import org.onap.policy.simulators.CdsSimulator;
 import org.onap.policy.simulators.TopicServer;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -87,6 +90,12 @@ public class Main extends ServiceManagerContainer {
         AtomicReference<DmaapSimProvider> provRef = new AtomicReference<>();
         addAction(provName, () -> provRef.set(buildDmaapProvider(dmaapProv)), () -> provRef.get().shutdown());
 
+        CdsServerParameters cdsServer = params.getGrpcServer();
+
+        // Cds Simulator
+        AtomicReference<CdsSimulator> cdsSim = new AtomicReference<>();
+        addAction(cdsServer.getName(), () -> cdsSim.set(buildCdsSimulator(cdsServer)), () -> cdsSim.get().stop());
+
         // REST server simulators
         // @formatter:off
         for (ClassRestServerParameters restsim : params.getRestServers()) {
@@ -173,10 +182,17 @@ public class Main extends ServiceManagerContainer {
         DmaapSimProvider prov = new DmaapSimProvider(params);
         DmaapSimProvider.setInstance(prov);
         prov.start();
-
         return prov;
     }
 
+    private CdsSimulator buildCdsSimulator(CdsServerParameters params) throws IOException {
+        CdsSimulator cdsSimulator = new CdsSimulator(params.getHost(), params.getPort(), params.getResourceLocation(),
+            params.getSuccessRepeatCount(), params.getRequestedResponseDelayMs());
+        cdsSimulator.start();
+        return cdsSimulator;
+    }
+
+
     private TopicSink startSink(TopicParameters params) {
         TopicSink sink = TopicEndpointManager.getManager().addTopicSinks(List.of(params)).get(0);
         sink.start();
diff --git a/models-sim/policy-models-simulators/src/main/java/org/onap/policy/models/simulators/SimulatorParameters.java b/models-sim/policy-models-simulators/src/main/java/org/onap/policy/models/simulators/SimulatorParameters.java
index c47ff8876..788829f36 100644
--- a/models-sim/policy-models-simulators/src/main/java/org/onap/policy/models/simulators/SimulatorParameters.java
+++ b/models-sim/policy-models-simulators/src/main/java/org/onap/policy/models/simulators/SimulatorParameters.java
@@ -3,6 +3,7 @@
  * ONAP
  * ================================================================================
  * Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2020 Bell Canada. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -44,6 +45,8 @@ public class SimulatorParameters {
      */
     private DmaapSimParameterGroup dmaapProvider;
 
+    private CdsServerParameters grpcServer;
+
     /**
      * Parameters for the REST server simulators that are to be started.
      */
diff --git a/models-sim/policy-models-simulators/src/test/java/org/onap/policy/models/simulators/CdsServerParametersTest.java b/models-sim/policy-models-simulators/src/test/java/org/onap/policy/models/simulators/CdsServerParametersTest.java
new file mode 100644
index 000000000..03aae8e61
--- /dev/null
+++ b/models-sim/policy-models-simulators/src/test/java/org/onap/policy/models/simulators/CdsServerParametersTest.java
@@ -0,0 +1,46 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2020 Bell Canada.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.models.simulators;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+
+import java.io.File;
+import org.junit.Test;
+import org.onap.policy.common.parameters.ValidationResult;
+import org.onap.policy.common.utils.coder.CoderException;
+import org.onap.policy.common.utils.coder.StandardCoder;
+
+public class CdsServerParametersTest {
+    @Test
+    public void testValidateString() throws CoderException {
+        // some fields missing
+        ValidationResult result = new CdsServerParameters().validate();
+        assertFalse(result.isValid());
+        assertNotNull(result.getResult());
+
+        // everything populated
+        SimulatorParameters simParams = new StandardCoder()
+            .decode(new File("src/test/resources/simParameters.json"), SimulatorParameters.class);
+        CdsServerParameters params = simParams.getGrpcServer();
+        assertTrue(params.validate().isValid());
+    }
+}
diff --git a/models-sim/policy-models-simulators/src/test/resources/simParameters.json b/models-sim/policy-models-simulators/src/test/resources/simParameters.json
index 33821a538..1d1c0aad7 100644
--- a/models-sim/policy-models-simulators/src/test/resources/simParameters.json
+++ b/models-sim/policy-models-simulators/src/test/resources/simParameters.json
@@ -109,5 +109,17 @@
             "sink": "SDNR-CL",
             "source": "SDNR-CL-RSP"
         }
-    ]
+    ],
+    "grpcServer": {
+        "name": "CDS simulator",
+        "providerClass": "org.onap.policy.simulators.CdsSimulator",
+        "host": "0.0.0.0",
+        "port": 6680,
+        "timeout": 30,
+        "username": "ccsdkapps",
+        "password": "ccsdkapps",
+        "resourceLocation": "org/onap/policy/simulators/cds/",
+        "successRepeatCount": 0,
+        "requestedResponseDelayMs": 0
+    }
 }
diff --git a/models-sim/pom.xml b/models-sim/pom.xml
index 654928e09..ce9cfae06 100644
--- a/models-sim/pom.xml
+++ b/models-sim/pom.xml
@@ -2,6 +2,7 @@
   ============LICENSE_START=======================================================
    Copyright (C) 2019 Nordix Foundation.
    Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
+   Modifications Copyright (C) 2020 Bell Canada. All rights reserved.
   ================================================================================
   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
@@ -40,5 +41,6 @@
       <module>models-sim-dmaap</module>
       <module>policy-models-sim-pdp</module>
       <module>policy-models-simulators</module>
+      <module>packages</module>
   </modules>
 </project>