1 files changed, 126 insertions, 0 deletions
diff --git a/dcae-analytics-it/src/test/java/org/onap/dcae/apod/analytics/it/module/IntegrationTestModule.java b/dcae-analytics-it/src/test/java/org/onap/dcae/apod/analytics/it/module/IntegrationTestModule.java
new file mode 100644
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--- /dev/null
+++ b/dcae-analytics-it/src/test/java/org/onap/dcae/apod/analytics/it/module/IntegrationTestModule.java
@@ -0,0 +1,126 @@
+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 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.dcae.apod.analytics.it.module;
+
+import com.google.inject.Binder;
+import com.google.inject.Module;
+import com.google.inject.name.Names;
+import org.onap.dcae.apod.analytics.common.exception.DCAEAnalyticsRuntimeException;
+import org.onap.dcae.apod.analytics.it.dmaap.DMaaPMRCreator;
+import org.onap.dcae.apod.analytics.it.dmaap.DMaaPMRCreatorImpl;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Map;
+import java.util.Properties;
+
+/**
+ * @author Rajiv Singla . Creation Date: 2/1/2017.
+ */
+public class IntegrationTestModule implements Module {
+
+    private static final Logger LOG = LoggerFactory.getLogger(IntegrationTestModule.class);
+
+    public static final String ANALYTICS_SYSTEM_VARIABLE_KEY_NAME = "analytics.it.env";
+    public static final String DEFAULT_ENVIRONMENT = "dev";
+    public static final String ENVIRONMENT_PROPERTIES_FILE_LOCATION = "env";
+
+    @Override
+    public void configure(Binder binder) {
+        final Properties envProperties = loadPropertiesFile();
+        Names.bindProperties(binder, envProperties);
+        binder.bind(DMaaPMRCreator.class).to(DMaaPMRCreatorImpl.class);
+    }
+
+
+    /**
+     * Load environment specific properties file
+     *
+     * @return environment properties
+     */
+    private Properties loadPropertiesFile() {
+        final String currentEnvironment = getCurrentEnvironment().toLowerCase();
+        final String envPropertiesFileName = currentEnvironment + ".properties";
+        final Properties envProperties = new Properties();
+        final String fileLocation = ENVIRONMENT_PROPERTIES_FILE_LOCATION + "/" + envPropertiesFileName;
+        LOG.info("===>>> EFFECTIVE ENV: {}, EFFECTIVE PROPERTIES FILE: {} <<<====", currentEnvironment, fileLocation);
+        try {
+            final InputStream propertiesFileInputStream =
+                    IntegrationTestModule.class.getClassLoader().getResourceAsStream(fileLocation);
+            envProperties.load(propertiesFileInputStream);
+        } catch (FileNotFoundException e) {
+            final String errorMessage = String.format("Unable to find env properties file: %s.", fileLocation);
+            throw new DCAEAnalyticsRuntimeException(errorMessage, LOG, e);
+        } catch (IOException e) {
+            final String errorMessage = String.format("I/O Exception during loading env properties file: %s",
+                    fileLocation);
+            throw new DCAEAnalyticsRuntimeException(errorMessage, LOG, e);
+        }
+
+        final Properties systemProperties = System.getProperties();
+        for (Object envProperty : envProperties.keySet()) {
+            final String systemPropertyValue = systemProperties.getProperty(envProperty.toString());
+            if (systemPropertyValue !=  null) {
+                LOG.info("Overriding System property name: {} with env property value: {}",
+                        envProperty.toString(), systemPropertyValue);
+                envProperties.setProperty(envProperty.toString(), systemPropertyValue);
+            }
+        }
+
+        LOG.info("Printing Effective Environment Properties =============== >>>");
+        for (Map.Entry<Object, Object> envPropertyEntry : envProperties.entrySet()) {
+            LOG.info("{}={}", envPropertyEntry.getKey(), envPropertyEntry.getValue());
+        }
+
+        return envProperties;
+    }
+
+
+    private static String getCurrentEnvironment() {
+        // First look in environment variables
+        LOG.info("Looking for IT variable name: {} in Environment variables", ANALYTICS_SYSTEM_VARIABLE_KEY_NAME);
+        final String itEnvironmentVariable = System.getenv(ANALYTICS_SYSTEM_VARIABLE_KEY_NAME);
+        if (itEnvironmentVariable != null) {
+            LOG.info("Found value in Environment variables: {} for IT Environment variable", itEnvironmentVariable);
+            return itEnvironmentVariable;
+        } else {
+            LOG.info("Unable to find IT variable name: {} in Environment variable", ANALYTICS_SYSTEM_VARIABLE_KEY_NAME);
+        }
+
+        // Second look inside system properties
+        LOG.info("Looking for IT variable name: {} in System variables", ANALYTICS_SYSTEM_VARIABLE_KEY_NAME);
+
+        final String itSystemProperty = System.getProperty(ANALYTICS_SYSTEM_VARIABLE_KEY_NAME);
+        if (itSystemProperty != null) {
+            LOG.info("Found value for System variables: {} in System variable", itSystemProperty);
+            return itSystemProperty;
+        } else {
+            LOG.info("Unable to find IT variable name: {} in System variable", ANALYTICS_SYSTEM_VARIABLE_KEY_NAME);
+        }
+
+        // return default enviroment
+        LOG.warn("Unable to find IT environment variable. Choosing default environment: {}", DEFAULT_ENVIRONMENT);
+        return DEFAULT_ENVIRONMENT;
+    }
+}