Add SDC single config

Add SDC configuration JSON parser that is linked to SDC client API

Issue-ID: CLAMP-81
Change-Id: I8c1c9e93813bf1444b1df455cafe0aab60236300
Signed-off-by: Determe, Sebastien (sd378r) <sd378r@intl.att.com>

3 files changed, 378 insertions, 1 deletions

diff --git a/pom.xml b/pom.xml
index 192d35bd2..5663d9882 100644
--- a/pom.xml
+++ b/pom.xml
@@ -470,6 +470,12 @@
 						<artifactId>mariadb-java-client</artifactId>
 						<version>2.2.1</version>
 				</dependency>
+				<!-- For SDC Controller -->
+				<dependency>
+						<groupId>org.openecomp.sdc.sdc-distribution-client</groupId>
+						<artifactId>sdc-distribution-client</artifactId>
+						<version>1.2.3</version>
+				</dependency>
 		</dependencies>
 
 		<build>
@@ -775,7 +781,7 @@
 														</run>
 												</image>
 												<image>
-														<name>python:2</name>
+														<name>python:2-slim</name>
 														<alias>python</alias>
 														<run>
 																<hostname>python</hostname>
diff --git a/src/main/java/org/onap/clamp/clds/config/sdc/SdcSingleControllerConfiguration.java b/src/main/java/org/onap/clamp/clds/config/sdc/SdcSingleControllerConfiguration.java
new file mode 100644
index 000000000..c97beb08d
--- /dev/null
+++ b/src/main/java/org/onap/clamp/clds/config/sdc/SdcSingleControllerConfiguration.java
@@ -0,0 +1,285 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP CLAMP
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. 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.
+ * ============LICENSE_END============================================
+ * ===================================================================
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ */
+
+package org.onap.clamp.clds.config.sdc;
+
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+import com.fasterxml.jackson.databind.JsonNode;
+
+import java.security.GeneralSecurityException;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+import org.apache.commons.codec.DecoderException;
+import org.onap.clamp.clds.exception.sdc.controller.SdcParametersException;
+import org.onap.clamp.clds.util.CryptoUtils;
+import org.openecomp.sdc.api.consumer.IConfiguration;
+
+/**
+ * This class maps the SDC config JSON for one controller.
+ */
+public class SdcSingleControllerConfiguration implements IConfiguration {
+
+    private static final EELFLogger logger = EELFManager.getInstance()
+            .getLogger(SdcSingleControllerConfiguration.class);
+    /**
+     * The sdc Controller name corresponding.
+     */
+    private String sdcControllerName;
+    /**
+     * The root of the JSON.
+     */
+    private JsonNode jsonRootNode;
+    // All keys that can be present in the JSON
+    public static final String CONSUMER_GROUP_ATTRIBUTE_NAME = "consumerGroup";
+    public static final String CONSUMER_ID_ATTRIBUTE_NAME = "consumerId";
+    public static final String ENVIRONMENT_NAME_ATTRIBUTE_NAME = "environmentName";
+    public static final String PASSWORD_ATTRIBUTE_NAME = "password";
+    public static final String POLLING_INTERVAL_ATTRIBUTE_NAME = "pollingInterval";
+    public static final String RELEVANT_ARTIFACT_TYPES_ATTRIBUTE_NAME = "relevantArtifactTypes";
+    public static final String USER_ATTRIBUTE_NAME = "user";
+    public static final String SDC_ADDRESS_ATTRIBUTE_NAME = "sdcAddress";
+    public static final String POLLING_TIMEOUT_ATTRIBUTE_NAME = "pollingTimeout";
+    public static final String ACTIVATE_SERVER_TLS_AUTH = "activateServerTLSAuth";
+    public static final String KEY_STORE_PASSWORD = "keyStorePassword";
+    public static final String KEY_STORE_PATH = "keyStorePath";
+    private String errorMessageKeyNotFound;
+    /**
+     * Supported artifact types.
+     */
+    public static final String HEAT = "HEAT";
+    public static final String HEAT_ARTIFACT = "HEAT_ARTIFACT";
+    public static final String HEAT_ENV = "HEAT_ENV";
+    public static final String HEAT_NESTED = "HEAT_NESTED";
+    public static final String HEAT_NET = "HEAT_NET";
+    public static final String HEAT_VOL = "HEAT_VOL";
+    public static final String OTHER = "OTHER";
+    public static final String TOSCA_CSAR = "TOSCA_CSAR";
+    public static final String VF_MODULES_METADATA = "VF_MODULES_METADATA";
+    private static final String[] SUPPORTED_ARTIFACT_TYPES = {
+            HEAT, HEAT_ARTIFACT, HEAT_ENV, HEAT_NESTED, HEAT_NET, HEAT_VOL, OTHER, TOSCA_CSAR, VF_MODULES_METADATA
+    };
+    public static final List<String> SUPPORTED_ARTIFACT_TYPES_LIST = Collections
+            .unmodifiableList(Arrays.asList(SUPPORTED_ARTIFACT_TYPES));
+
+    /**
+     * This constructor builds a SdcSingleControllerConfiguration from the
+     * corresponding json.
+     * 
+     * @param jsonRootNode
+     *            The JSON node
+     * @param controllerName
+     *            The controller name that must appear in the JSON
+     */
+    public SdcSingleControllerConfiguration(JsonNode jsonNode, String controllerName) {
+        jsonRootNode = jsonNode;
+        setSdcControllerName(controllerName);
+        testAllRequiredParameters();
+    }
+
+    public String getSdcControllerName() {
+        return sdcControllerName;
+    }
+
+    public void setSdcControllerName(String controllerName) {
+        this.sdcControllerName = controllerName;
+        errorMessageKeyNotFound = " parameter cannot be found in config file for controller name" + sdcControllerName;
+        testAllRequiredParameters();
+    }
+
+    @Override
+    public java.lang.Boolean isUseHttpsWithDmaap() {
+        return false;
+    }
+
+    @Override
+    public String getConsumerGroup() {
+        if (jsonRootNode != null && jsonRootNode.get(CONSUMER_GROUP_ATTRIBUTE_NAME) != null) {
+            String config = jsonRootNode.get(CONSUMER_GROUP_ATTRIBUTE_NAME).asText();
+            return "NULL".equals(config) || config.isEmpty() ? null : config;
+        }
+        return null;
+    }
+
+    @Override
+    public String getConsumerID() {
+        if (jsonRootNode != null && jsonRootNode.get(CONSUMER_ID_ATTRIBUTE_NAME) != null) {
+            String config = jsonRootNode.get(CONSUMER_ID_ATTRIBUTE_NAME).asText();
+            return config.isEmpty() ? null : config;
+        }
+        return null;
+    }
+
+    @Override
+    public String getEnvironmentName() {
+        if (jsonRootNode != null && jsonRootNode.get(ENVIRONMENT_NAME_ATTRIBUTE_NAME) != null) {
+            String config = jsonRootNode.get(ENVIRONMENT_NAME_ATTRIBUTE_NAME).asText();
+            return config.isEmpty() ? null : config;
+        }
+        return null;
+    }
+
+    @Override
+    public String getPassword() {
+        try {
+            if (jsonRootNode != null && jsonRootNode.get(PASSWORD_ATTRIBUTE_NAME) != null) {
+                String config = CryptoUtils.decrypt(jsonRootNode.get(PASSWORD_ATTRIBUTE_NAME).asText());
+                return config.isEmpty() ? null : config;
+            }
+        } catch (GeneralSecurityException | DecoderException e) {
+            logger.error("Unable to decrypt the SDC password", e);
+        }
+        return null;
+    }
+
+    @Override
+    public int getPollingInterval() {
+        if (jsonRootNode != null && jsonRootNode.get(POLLING_INTERVAL_ATTRIBUTE_NAME) != null) {
+            return jsonRootNode.get(POLLING_INTERVAL_ATTRIBUTE_NAME).asInt();
+        } else {
+            return 0;
+        }
+    }
+
+    @Override
+    public List<String> getRelevantArtifactTypes() {
+        // DO not return the Static List SUPPORTED_ARTIFACT_TYPES_LIST because
+        // the ASDC Client could try to modify it !!!
+        return Arrays.asList(SUPPORTED_ARTIFACT_TYPES);
+    }
+
+    @Override
+    public String getUser() {
+        if (jsonRootNode != null && jsonRootNode.get(USER_ATTRIBUTE_NAME) != null) {
+            String config = jsonRootNode.get(USER_ATTRIBUTE_NAME).asText();
+            return config.isEmpty() ? null : config;
+        }
+        return null;
+    }
+
+    @Override
+    public String getAsdcAddress() {
+        if (jsonRootNode != null && jsonRootNode.get(SDC_ADDRESS_ATTRIBUTE_NAME) != null) {
+            String config = jsonRootNode.get(SDC_ADDRESS_ATTRIBUTE_NAME).asText();
+            return config.isEmpty() ? null : config;
+        }
+        return null;
+    }
+
+    @Override
+    public int getPollingTimeout() {
+        if (jsonRootNode != null && jsonRootNode.get(POLLING_TIMEOUT_ATTRIBUTE_NAME) != null) {
+            return jsonRootNode.get(POLLING_TIMEOUT_ATTRIBUTE_NAME).asInt();
+        } else {
+            return 0;
+        }
+    }
+
+    @Override
+    public boolean activateServerTLSAuth() {
+        if (jsonRootNode != null && jsonRootNode.get(ACTIVATE_SERVER_TLS_AUTH) != null) {
+            return jsonRootNode.get(ACTIVATE_SERVER_TLS_AUTH).asBoolean(false);
+        } else {
+            return false;
+        }
+    }
+
+    @Override
+    public String getKeyStorePassword() {
+        try {
+            if (jsonRootNode != null && jsonRootNode.get(KEY_STORE_PASSWORD) != null) {
+                String config = CryptoUtils.decrypt(jsonRootNode.get(KEY_STORE_PASSWORD).asText());
+                return config.isEmpty() ? null : config;
+            }
+        } catch (GeneralSecurityException | DecoderException e) {
+            logger.error("Unable to decrypt the SDC password", e);
+        }
+        return null;
+    }
+
+    @Override
+    public String getKeyStorePath() {
+        if (jsonRootNode != null && jsonRootNode.get(KEY_STORE_PATH) != null) {
+            String config = jsonRootNode.get(KEY_STORE_PATH).asText();
+            return config.isEmpty() ? null : config;
+        }
+        return null;
+    }
+
+    /**
+     * This method can be used to validate all required parameters are well
+     * there.
+     */
+    public void testAllRequiredParameters() {
+        // Special case for this attribute that can be null from
+        // getConsumerGroup
+        if (jsonRootNode == null) {
+            throw new SdcParametersException("Json is null for controller " + this.getSdcControllerName());
+        }
+        if (this.getConsumerGroup() == null && (jsonRootNode.get(CONSUMER_GROUP_ATTRIBUTE_NAME) == null
+                || !"NULL".equals(jsonRootNode.get(CONSUMER_GROUP_ATTRIBUTE_NAME).asText()))) {
+            throw new SdcParametersException(CONSUMER_GROUP_ATTRIBUTE_NAME + errorMessageKeyNotFound);
+        }
+        if (this.getConsumerID() == null || this.getConsumerID().isEmpty()) {
+            throw new SdcParametersException(CONSUMER_ID_ATTRIBUTE_NAME + errorMessageKeyNotFound);
+        }
+        if (this.getEnvironmentName() == null || this.getEnvironmentName().isEmpty()) {
+            throw new SdcParametersException(ENVIRONMENT_NAME_ATTRIBUTE_NAME + errorMessageKeyNotFound);
+        }
+        if (this.getAsdcAddress() == null || this.getAsdcAddress().isEmpty()) {
+            throw new SdcParametersException(SDC_ADDRESS_ATTRIBUTE_NAME + errorMessageKeyNotFound);
+        }
+        if (this.getPassword() == null || this.getPassword().isEmpty()) {
+            throw new SdcParametersException(PASSWORD_ATTRIBUTE_NAME + errorMessageKeyNotFound);
+        }
+        if (this.getPollingInterval() == 0) {
+            throw new SdcParametersException(POLLING_INTERVAL_ATTRIBUTE_NAME + errorMessageKeyNotFound);
+        }
+        if (this.getPollingTimeout() == 0) {
+            throw new SdcParametersException(POLLING_TIMEOUT_ATTRIBUTE_NAME + errorMessageKeyNotFound);
+        }
+        if (this.getRelevantArtifactTypes() == null || this.getRelevantArtifactTypes().isEmpty()) {
+            throw new SdcParametersException(RELEVANT_ARTIFACT_TYPES_ATTRIBUTE_NAME + errorMessageKeyNotFound);
+        }
+        if (this.getUser() == null || this.getUser().isEmpty()) {
+            throw new SdcParametersException(USER_ATTRIBUTE_NAME + errorMessageKeyNotFound);
+        }
+    }
+
+    /**
+     * The flag allows the client to receive metadata for all resources of the
+     * service regardless of the artifacts associated to them. Setting the flag
+     * to false will preserve legacy behavior.
+     */
+    @Override
+    public boolean isFilterInEmptyResources() {
+        return true;
+    }
+
+    @Override
+    public List<String> getMsgBusAddress() {
+        return null;
+    }
+}
diff --git a/src/test/java/org/onap/clamp/clds/config/sdc/SdcSingleControllerConfigurationTest.java b/src/test/java/org/onap/clamp/clds/config/sdc/SdcSingleControllerConfigurationTest.java
new file mode 100644
index 000000000..287bc1791
--- /dev/null
+++ b/src/test/java/org/onap/clamp/clds/config/sdc/SdcSingleControllerConfigurationTest.java
@@ -0,0 +1,86 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.clamp.clds.config.sdc;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
+import com.fasterxml.jackson.core.JsonParseException;
+import com.fasterxml.jackson.databind.JsonMappingException;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import java.io.IOException;
+
+import org.junit.Test;
+import org.onap.clamp.clds.exception.sdc.controller.SdcParametersException;
+import org.onap.clamp.clds.util.ResourceFileUtil;
+
+/**
+ * This class tests the SDC Controller config.
+ */
+public class SdcSingleControllerConfigurationTest {
+
+    public final SdcSingleControllerConfiguration loadControllerConfiguration(String fileName, String sdcControllerName)
+            throws JsonParseException, JsonMappingException, IOException {
+        JsonNode jsonNode = new ObjectMapper().readValue(ResourceFileUtil.getResourceAsStream(fileName),
+                JsonNode.class);
+        SdcSingleControllerConfiguration sdcSingleControllerConfiguration = new SdcSingleControllerConfiguration(
+                jsonNode, sdcControllerName);
+        return sdcSingleControllerConfiguration;
+    }
+
+    @Test
+    public final void testTheInit() throws SdcParametersException, IOException {
+        SdcSingleControllerConfiguration sdcConfig = loadControllerConfiguration("clds/sdc-controller-config-TLS.json",
+                "sdc-controller1");
+        assertEquals("User", sdcConfig.getUser());
+        assertEquals("ThePassword", sdcConfig.getPassword());
+        assertEquals("consumerGroup", sdcConfig.getConsumerGroup());
+        assertEquals("consumerId", sdcConfig.getConsumerID());
+        assertEquals("environmentName", sdcConfig.getEnvironmentName());
+        assertEquals("hostname", sdcConfig.getAsdcAddress());
+        assertEquals(10, sdcConfig.getPollingInterval());
+        assertEquals(30, sdcConfig.getPollingTimeout());
+        assertEquals(SdcSingleControllerConfiguration.SUPPORTED_ARTIFACT_TYPES_LIST.size(),
+                sdcConfig.getRelevantArtifactTypes().size());
+        assertTrue(sdcConfig.activateServerTLSAuth());
+        assertEquals("ThePassword", sdcConfig.getKeyStorePassword());
+    }
+
+    @Test(expected = SdcParametersException.class)
+    public final void testAllRequiredParameters() throws JsonParseException, JsonMappingException, IOException {
+        SdcSingleControllerConfiguration sdcConfig = loadControllerConfiguration("clds/sdc-controller-config-TLS.json",
+                "sdc-controller1");
+        // No exception should be raised
+        sdcConfig.testAllRequiredParameters();
+        sdcConfig = loadControllerConfiguration("clds/sdc-controller-config-bad.json", "sdc-controller1");
+        fail("Should have raised an exception");
+    }
+
+    @Test
+    public final void testConsumerGroupWithNULL() throws JsonParseException, JsonMappingException, IOException {
+        SdcSingleControllerConfiguration sdcConfig = loadControllerConfiguration("clds/sdc-controller-config-NULL.json",
+                "sdc-controller1");
+        assertTrue(sdcConfig.getConsumerGroup() == null);
+    }
+}