1 files changed, 97 insertions, 0 deletions
diff --git a/asdc-controller/src/main/java/org/openecomp/mso/asdc/healthcheck/HealthCheckHandler.java b/asdc-controller/src/main/java/org/openecomp/mso/asdc/healthcheck/HealthCheckHandler.java
new file mode 100644
index 0000000000..f0b6ec4853
--- /dev/null
+++ b/asdc-controller/src/main/java/org/openecomp/mso/asdc/healthcheck/HealthCheckHandler.java
@@ -0,0 +1,97 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * OPENECOMP - MSO
+ * ================================================================================
+ * 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.openecomp.mso.asdc.healthcheck;
+
+
+import org.openecomp.mso.MsoStatusUtil;
+import org.openecomp.mso.db.catalog.CatalogDatabase;
+import org.openecomp.mso.logger.MessageEnum;
+import org.openecomp.mso.logger.MsoLogger;
+import org.openecomp.mso.properties.MsoJsonProperties;
+import org.openecomp.mso.properties.MsoPropertiesFactory;
+import org.openecomp.mso.HealthCheckUtils;
+import org.openecomp.mso.utils.UUIDChecker;
+import org.apache.http.HttpStatus;
+
+import javax.ws.rs.GET;
+import javax.ws.rs.HEAD;
+import javax.ws.rs.Path;
+import javax.ws.rs.Produces;
+import javax.ws.rs.QueryParam;
+import javax.ws.rs.core.Response;
+
+
+@Path("/")
+	public class HealthCheckHandler {
+		
+		private static MsoLogger msoLogger = MsoLogger.getMsoLogger(MsoLogger.Catalog.ASDC);
+		private static final String MSO_PROP_ASDC = "MSO_PROP_ASDC";
+		private static MsoPropertiesFactory msoPropertiesFactory = new MsoPropertiesFactory();
+
+		private static final String SUC_HTML = "<!DOCTYPE html><html><head><meta charset=\"ISO-8859-1\"><title>Health Check</title></head><body>Application ready</body></html>";
+		private static final String NOT_FOUND = "<!DOCTYPE html><html><head><meta charset=\"ISO-8859-1\"><title>Application Not Ready</title></head><body>Application Not Ready. Properties file missing or invalid or database Connection failed</body></html>";
+
+		private static final Response OK_RESPONSE = Response.status (HttpStatus.SC_OK).entity (SUC_HTML).build ();
+		private static final Response NOK_RESPONSE = Response.status (HttpStatus.SC_SERVICE_UNAVAILABLE).entity (NOT_FOUND).build ();
+
+		@HEAD
+	    @GET
+	    @Path("/healthcheck")
+	    @Produces("text/html")
+	    public Response healthcheck (@QueryParam("requestId") String requestId) {
+			long startTime = System.currentTimeMillis ();
+			MsoLogger.setServiceName ("Healthcheck");
+			UUIDChecker.verifyOldUUID(requestId, msoLogger);
+			HealthCheckUtils healthCheck = new HealthCheckUtils ();
+			if (!healthCheck.siteStatusCheck(msoLogger, startTime)) {
+				return HealthCheckUtils.HEALTH_CHECK_NOK_RESPONSE;
+			}
+
+			MsoJsonProperties props = loadMsoProperties ();
+			if (props == null) {
+				msoLogger.recordAuditEvent (startTime, MsoLogger.StatusCode.ERROR, MsoLogger.ResponseCode.ServiceNotAvailable, "Application Not Ready");
+				return HealthCheckUtils.NOT_STARTED_RESPONSE;
+			}
+
+			if (!healthCheck.catalogDBCheck (msoLogger, startTime)) {
+				return HealthCheckUtils.NOT_STARTED_RESPONSE;
+			}
+			msoLogger.debug("healthcheck - Successful");
+			return HealthCheckUtils.HEALTH_CHECK_RESPONSE;
+	    }
+
+		private MsoJsonProperties loadMsoProperties () {
+			MsoJsonProperties msoProperties;
+			try {
+				msoProperties = msoPropertiesFactory.getMsoJsonProperties(MSO_PROP_ASDC);
+			} catch (Exception e) {
+				msoLogger.error (MessageEnum.ASDC_PROPERTIES_NOT_FOUND, MSO_PROP_ASDC, "", "", MsoLogger.ErrorCode.DataError, "Exception - getMsoJsonProperties", e);
+				return null;
+			}
+
+			if (msoProperties !=null && msoProperties.getJsonRootNode().getElements().hasNext()) {
+				return msoProperties;
+			} else {
+				msoLogger.error (MessageEnum.ASDC_PROPERTIES_NOT_FOUND , MSO_PROP_ASDC, "", "", MsoLogger.ErrorCode.DataError, "ASDC properties not found");
+				return  null;
+			}
+		}
+}