add rest serve and distribution framework

. update the pom.xml to include a submodule main
. add all common necessnary package into pom.xml
. add rest server and test case
. port the distribution framework
. which supports both http and https

Change-Id: I5ccc712342fc8929d11e553f3e09f36e93a80935
Issue-ID: MULTICLOUD-546
Signed-off-by: liboNet <libo.zhu@intel.com>

5 files changed, 461 insertions, 0 deletions

diff --git a/artifactbroker/main/src/test/java/org/onap/policy/distribution/main/TestExceptions.java b/artifactbroker/main/src/test/java/org/onap/policy/distribution/main/TestExceptions.java
new file mode 100644
index 0000000..b314097
--- /dev/null
+++ b/artifactbroker/main/src/test/java/org/onap/policy/distribution/main/TestExceptions.java
@@ -0,0 +1,39 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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=========================================================
+ */
+
+package org.onap.policy.distribution.main;
+
+import static org.junit.Assert.assertNotNull;
+
+import java.io.IOException;
+
+import org.junit.Test;
+
+public class TestExceptions {
+
+    @Test
+    public void test() {
+        assertNotNull(new PolicyDistributionException("Message"));
+        assertNotNull(new PolicyDistributionException("Message", new IOException()));
+        
+        assertNotNull(new PolicyDistributionRuntimeException("Message"));
+        assertNotNull(new PolicyDistributionRuntimeException("Message", new IOException()));
+    }
+}
diff --git a/artifactbroker/main/src/test/java/org/onap/policy/distribution/main/rest/TestDistributionRestServer.java b/artifactbroker/main/src/test/java/org/onap/policy/distribution/main/rest/TestDistributionRestServer.java
new file mode 100644
index 0000000..f9e790c
--- /dev/null
+++ b/artifactbroker/main/src/test/java/org/onap/policy/distribution/main/rest/TestDistributionRestServer.java
@@ -0,0 +1,103 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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=========================================================
+ */
+
+package org.onap.policy.distribution.main.rest;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+import javax.ws.rs.client.Client;
+import javax.ws.rs.client.ClientBuilder;
+import javax.ws.rs.client.Invocation;
+import javax.ws.rs.client.WebTarget;
+import javax.ws.rs.core.MediaType;
+
+import org.glassfish.jersey.client.ClientConfig;
+import org.glassfish.jersey.client.authentication.HttpAuthenticationFeature;
+import org.junit.Test;
+import org.onap.policy.common.endpoints.report.HealthCheckReport;
+import org.onap.policy.common.logging.flexlogger.FlexLogger;
+import org.onap.policy.common.logging.flexlogger.Logger;
+import org.onap.policy.distribution.main.PolicyDistributionException;
+import org.onap.policy.distribution.main.parameters.RestServerParameters;
+import org.onap.policy.distribution.main.startstop.Main;
+
+/**
+ * Class to perform unit test of HealthCheckMonitor.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@ericsson.com)
+ */
+public class TestDistributionRestServer {
+
+    private static final Logger LOGGER = FlexLogger.getLogger(TestDistributionRestServer.class);
+    private static final String NOT_ALIVE = "not alive";
+    private static final String ALIVE = "alive";
+    private static final String SELF = "self";
+    private static final String NAME = "Policy SSD";
+
+    @Test
+    public void testHealthCheckSuccess() throws PolicyDistributionException, InterruptedException {
+        final String reportString = "Report [name=Policy SSD, url=self, healthy=true, code=200, message=alive]";
+        final Main main = startDistributionService();
+        final HealthCheckReport report = performHealthCheck();
+        validateReport(NAME, SELF, true, 200, ALIVE, reportString, report);
+        stopDistributionService(main);
+    }
+
+    private Main startDistributionService() {
+        final String[] distributionConfigParameters = { "-c", "parameters/DistributionConfigParameters.json" };
+        return new Main(distributionConfigParameters);
+    }
+
+    private void stopDistributionService(final Main main) throws PolicyDistributionException {
+        main.shutdown();
+    }
+
+    private HealthCheckReport performHealthCheck() throws InterruptedException {
+        HealthCheckReport response = null;
+        final ClientConfig clientConfig = new ClientConfig();
+
+        final HttpAuthenticationFeature feature = HttpAuthenticationFeature.basic("healthcheck", "zb!XztG34");
+        clientConfig.register(feature);
+
+        final Client client = ClientBuilder.newClient(clientConfig);
+        final WebTarget webTarget = client.target("http://localhost:6969/healthcheck");
+
+        final Invocation.Builder invocationBuilder = webTarget.request(MediaType.APPLICATION_JSON);
+        while (response == null) {
+            try {
+                response = invocationBuilder.get(HealthCheckReport.class);
+            } catch (final Exception exp) {
+                LOGGER.info("the server is not started yet. We will retry again");
+            }
+        }
+        return response;
+    }
+
+    private void validateReport(final String name, final String url, final boolean healthy, final int code,
+            final String message, final String reportString, final HealthCheckReport report) {
+        assertEquals(name, report.getName());
+        assertEquals(url, report.getUrl());
+        assertEquals(healthy, report.isHealthy());
+        assertEquals(code, report.getCode());
+        assertEquals(message, report.getMessage());
+        assertEquals(reportString, report.toString());
+    }
+}
diff --git a/artifactbroker/main/src/test/java/org/onap/policy/distribution/main/rest/TestHttpsDistributionRestServer.backup b/artifactbroker/main/src/test/java/org/onap/policy/distribution/main/rest/TestHttpsDistributionRestServer.backup
new file mode 100644
index 0000000..6667d7f
--- /dev/null
+++ b/artifactbroker/main/src/test/java/org/onap/policy/distribution/main/rest/TestHttpsDistributionRestServer.backup
@@ -0,0 +1,136 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Intel. 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=========================================================
+ */
+
+package org.onap.policy.distribution.main.rest;
+
+import static org.junit.Assert.assertEquals;
+
+import java.security.KeyManagementException;
+import java.security.NoSuchAlgorithmException;
+import java.security.SecureRandom;
+import java.security.cert.X509Certificate;
+import java.util.Properties;
+
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.TrustManager;
+import javax.net.ssl.X509TrustManager;
+
+import javax.ws.rs.client.Client;
+import javax.ws.rs.client.ClientBuilder;
+import javax.ws.rs.client.Invocation;
+import javax.ws.rs.client.WebTarget;
+import javax.ws.rs.core.MediaType;
+
+import org.glassfish.jersey.client.authentication.HttpAuthenticationFeature;
+import org.junit.Test;
+import org.onap.policy.common.endpoints.report.HealthCheckReport;
+import org.onap.policy.common.logging.flexlogger.FlexLogger;
+import org.onap.policy.common.logging.flexlogger.Logger;
+import org.onap.policy.distribution.main.PolicyDistributionException;
+import org.onap.policy.distribution.main.startstop.Main;
+
+/**
+ * Class to perform unit test of HealthCheckMonitor.
+ *
+ * @author Libo Zhu (libo.zhu@intel.com)
+ */
+public class TestHttpsDistributionRestServer {
+
+    private static final Logger LOGGER = FlexLogger.getLogger(TestDistributionRestServer.class);
+    private static final String ALIVE = "alive";
+    private static final String SELF = "self";
+    private static final String NAME = "Policy SSD";
+    private static String KEYSTORE = System.getProperty("user.dir") + "/src/test/resources/ssl/policy-keystore";
+
+    @Test
+    public void testHealthCheckSuccess()
+        throws PolicyDistributionException, InterruptedException, KeyManagementException, NoSuchAlgorithmException {
+        final String reportString = "Report [name=Policy SSD, url=self, healthy=true, code=200, message=alive]";
+        final Main main = startDistributionService();
+        final HealthCheckReport report = performHealthCheck();
+        validateReport(NAME, SELF, true, 200, ALIVE, reportString, report);
+        stopDistributionService(main);
+    }
+
+    private Main startDistributionService() {
+        Properties systemProps = System.getProperties();
+        systemProps.put("javax.net.ssl.keyStore", KEYSTORE);
+        systemProps.put("javax.net.ssl.keyStorePassword", "Pol1cy_0nap");
+        System.setProperties(systemProps);
+
+        final String[] distributionConfigParameters = { "-c", "parameters/DistributionConfigParameters_Https.json" };
+        return new Main(distributionConfigParameters);
+    }
+
+    private void stopDistributionService(final Main main) throws PolicyDistributionException {
+        main.shutdown();
+    }
+
+    private HealthCheckReport performHealthCheck()
+        throws InterruptedException, KeyManagementException, NoSuchAlgorithmException {
+        HealthCheckReport response = null;
+
+        TrustManager[] noopTrustManager = new TrustManager[] { new X509TrustManager() {
+
+            @Override
+            public X509Certificate[] getAcceptedIssuers() {
+                return new X509Certificate[0];
+            }
+
+            @Override
+            public void checkClientTrusted(java.security.cert.X509Certificate[] certs, String authType) {
+            }
+
+            @Override
+            public void checkServerTrusted(java.security.cert.X509Certificate[] certs, String authType) {
+            }
+        } };
+
+        SSLContext sc = SSLContext.getInstance("TLSv1.2");
+        sc.init(null, noopTrustManager, new SecureRandom());
+        final ClientBuilder clientBuilder = ClientBuilder.newBuilder().sslContext(sc)
+            .hostnameVerifier((host, session) -> true);
+        final Client client = clientBuilder.build();
+        final HttpAuthenticationFeature feature = HttpAuthenticationFeature.basic("healthcheck", "zb!XztG34");
+        client.register(feature);
+
+        final WebTarget webTarget = client.target("https://localhost:6969/healthcheck");
+
+        final Invocation.Builder invocationBuilder = webTarget.request(MediaType.APPLICATION_JSON);
+        while (response == null) {
+            try {
+                response = invocationBuilder.get(HealthCheckReport.class);
+            } catch (final Exception exp) {
+                LOGGER.error("the server is not started yet. We will retry again", exp);
+            }
+        }
+        return response;
+    }
+
+    private void validateReport(final String name, final String url, final boolean healthy, final int code,
+        final String message, final String reportString, final HealthCheckReport report) {
+        assertEquals(name, report.getName());
+        assertEquals(url, report.getUrl());
+        assertEquals(healthy, report.isHealthy());
+        assertEquals(code, report.getCode());
+        assertEquals(message, report.getMessage());
+        assertEquals(reportString, report.toString());
+    }
+}
diff --git a/artifactbroker/main/src/test/java/org/onap/policy/distribution/main/rest/TestHttpsStatisticDistributionRestServer.backup b/artifactbroker/main/src/test/java/org/onap/policy/distribution/main/rest/TestHttpsStatisticDistributionRestServer.backup
new file mode 100644
index 0000000..5aadb6e
--- /dev/null
+++ b/artifactbroker/main/src/test/java/org/onap/policy/distribution/main/rest/TestHttpsStatisticDistributionRestServer.backup
@@ -0,0 +1,136 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Intel. 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=========================================================
+ */
+
+package org.onap.policy.distribution.main.rest;
+
+import static org.junit.Assert.assertEquals;
+
+import java.security.KeyManagementException;
+import java.security.NoSuchAlgorithmException;
+import java.security.SecureRandom;
+import java.security.cert.X509Certificate;
+import java.util.Properties;
+
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.TrustManager;
+import javax.net.ssl.X509TrustManager;
+
+import javax.ws.rs.client.Client;
+import javax.ws.rs.client.ClientBuilder;
+import javax.ws.rs.client.Invocation;
+import javax.ws.rs.client.WebTarget;
+import javax.ws.rs.core.MediaType;
+
+import org.glassfish.jersey.client.authentication.HttpAuthenticationFeature;
+import org.junit.Test;
+import org.onap.policy.common.logging.flexlogger.FlexLogger;
+import org.onap.policy.common.logging.flexlogger.Logger;
+import org.onap.policy.distribution.main.PolicyDistributionException;
+import org.onap.policy.distribution.main.startstop.Main;
+
+/**
+ * Class to perform unit test of HealthCheckMonitor.
+ *
+ * @author Libo Zhu (libo.zhu@intel.com)
+ */
+public class TestHttpsStatisticDistributionRestServer {
+
+    private static final Logger LOGGER = FlexLogger.getLogger(TestHttpsStatisticDistributionRestServer.class);
+    private static String KEYSTORE = System.getProperty("user.dir") + "/src/test/resources/ssl/policy-keystore";
+
+    @Test
+    public void testDistributionStatistic()
+        throws PolicyDistributionException, InterruptedException, KeyManagementException, NoSuchAlgorithmException {
+        final String reportString = "StatisticsReport [code=200, totalDistributionCount=0, distributionSuccessCount=0, "
+            + "distributionFailureCount=0, totalDownloadCount=0, " + "downloadSuccessCount=0, downloadFailureCount=0]";
+        final Main main = startDistributionService();
+        final StatisticsReport report = performStatisticCheck();
+        validateReport(200, 0, 0, 0, 0, 0, 0, reportString, report);
+        stopDistributionService(main);
+    }
+
+    private Main startDistributionService() {
+        Properties systemProps = System.getProperties();
+        systemProps.put("javax.net.ssl.keyStore", KEYSTORE);
+        systemProps.put("javax.net.ssl.keyStorePassword", "Pol1cy_0nap");
+        System.setProperties(systemProps);
+
+        final String[] distributionConfigParameters = { "-c", "parameters/DistributionConfigParameters_Https.json" };
+        return new Main(distributionConfigParameters);
+    }
+
+    private void stopDistributionService(final Main main) throws PolicyDistributionException {
+        main.shutdown();
+    }
+
+    private StatisticsReport performStatisticCheck()
+        throws InterruptedException, KeyManagementException, NoSuchAlgorithmException {
+        StatisticsReport response = null;
+
+        TrustManager[] noopTrustManager = new TrustManager[] { new X509TrustManager() {
+
+            @Override
+            public X509Certificate[] getAcceptedIssuers() {
+                return new X509Certificate[0];
+            }
+
+            @Override
+            public void checkClientTrusted(java.security.cert.X509Certificate[] certs, String authType) {
+            }
+
+            @Override
+            public void checkServerTrusted(java.security.cert.X509Certificate[] certs, String authType) {
+            }
+        } };
+
+        SSLContext sc = SSLContext.getInstance("TLSv1.2");
+        sc.init(null, noopTrustManager, new SecureRandom());
+        final ClientBuilder clientBuilder = ClientBuilder.newBuilder().sslContext(sc)
+            .hostnameVerifier((host, session) -> true);
+        final Client client = clientBuilder.build();
+        final HttpAuthenticationFeature feature = HttpAuthenticationFeature.basic("healthcheck", "zb!XztG34");
+        client.register(feature);
+
+        final WebTarget webTarget = client.target("https://localhost:6969/statistics");
+
+        final Invocation.Builder invocationBuilder = webTarget.request(MediaType.APPLICATION_JSON);
+        while (response == null) {
+            try {
+                response = invocationBuilder.get(StatisticsReport.class);
+            } catch (final Exception exp) {
+                LOGGER.error("the server is not started yet. We will retry again", exp);
+            }
+        }
+        return response;
+    }
+
+    private void validateReport(final int code, final int total, final int successCount, final int failureCount,
+        final int download, final int downloadSuccess, final int downloadFailure, final String reportString,
+        final StatisticsReport report) {
+        assertEquals(code, report.getCode());
+        assertEquals(total, report.getTotalDistributionCount());
+        assertEquals(successCount, report.getDistributionSuccessCount());
+        assertEquals(failureCount, report.getDistributionFailureCount());
+        assertEquals(download, report.getTotalDownloadCount());
+        assertEquals(downloadSuccess, report.getDownloadSuccessCount());
+        assertEquals(downloadFailure, report.getDownloadFailureCount());
+        assertEquals(reportString, report.toString());
+    }
+}
diff --git a/artifactbroker/main/src/test/java/org/onap/policy/distribution/main/rest/TestStatisticsReport.java b/artifactbroker/main/src/test/java/org/onap/policy/distribution/main/rest/TestStatisticsReport.java
new file mode 100644
index 0000000..64d2e5c
--- /dev/null
+++ b/artifactbroker/main/src/test/java/org/onap/policy/distribution/main/rest/TestStatisticsReport.java
@@ -0,0 +1,47 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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=========================================================
+ */
+
+package org.onap.policy.distribution.main.rest;
+
+import com.openpojo.reflection.filters.FilterClassName;
+import com.openpojo.validation.Validator;
+import com.openpojo.validation.ValidatorBuilder;
+import com.openpojo.validation.rule.impl.SetterMustExistRule;
+import com.openpojo.validation.test.impl.GetterTester;
+import com.openpojo.validation.test.impl.SetterTester;
+
+import org.junit.Test;
+import org.onap.policy.common.utils.validation.ToStringTester;
+
+/**
+ * Class to perform unit testing of {@link StatisticsReport}.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@ericsson.com)
+ */
+public class TestStatisticsReport {
+
+    @Test
+    public void testStatisticsReport() {
+        final Validator validator = ValidatorBuilder.create().with(new ToStringTester()).with(new SetterMustExistRule())
+                .with(new SetterTester()).with(new GetterTester()).build();
+        validator.validate(StatisticsReport.class.getPackage().getName(),
+                new FilterClassName(StatisticsReport.class.getName()));
+    }
+}