Java tutorial
/* * Copyright (c) 2015 EMC Corporation * All Rights Reserved */ package controllers; import static util.BourneUtil.getSysClient; import java.util.Date; import java.util.Map; import jobs.PoweroffJob; import jobs.RebootNodeJob; import org.joda.time.DateTime; import play.Logger; import play.data.validation.Required; import play.i18n.Messages; import play.libs.F.Promise; import play.mvc.Controller; import play.mvc.With; import util.AdminDashboardUtils; import util.LicenseUtils; import util.MessagesUtils; import com.emc.vipr.model.sys.licensing.License; import com.emc.vipr.model.sys.recovery.DbRepairStatus; import com.google.common.collect.Maps; import controllers.deadbolt.Restrict; import controllers.deadbolt.Restrictions; @With(Common.class) public class AdminDashboard extends Controller { @Restrictions({ @Restrict("SYSTEM_MONITOR"), @Restrict("SYSTEM_ADMIN"), @Restrict("RESTRICTED_SYSTEM_ADMIN") }) public static void dashboard() { render(); } @Restrictions({ @Restrict("SYSTEM_MONITOR"), @Restrict("SYSTEM_ADMIN"), @Restrict("RESTRICTED_SYSTEM_ADMIN") }) public static void version() { License license = AdminDashboardUtils.getLicense(); Map<String, Promise<?>> promises = Maps.newHashMap(); promises.put("clusterInfo", AdminDashboardUtils.clusterInfo()); trySetRenderArgs(promises); // Add lastUpdated render args after promises are redeemed Date clusterInfoLastUpdated = AdminDashboardUtils.getClusterInfoLastUpdated(); render(license, clusterInfoLastUpdated); } @Restrictions({ @Restrict("SYSTEM_MONITOR"), @Restrict("SYSTEM_ADMIN"), @Restrict("RESTRICTED_SYSTEM_ADMIN") }) public static void health() { Map<String, Promise<?>> promises = Maps.newHashMap(); promises.put("nodeHealthList", AdminDashboardUtils.nodeHealthList()); promises.put("clusterInfo", AdminDashboardUtils.clusterInfo()); trySetRenderArgs(promises); // Add lastUpdated render args after promises are redeemed renderArgs.put("nodeHealthListLastUpdated", AdminDashboardUtils.getNodeHealthListLastUpdated()); render(); } @Restrictions({ @Restrict("SYSTEM_MONITOR"), @Restrict("SYSTEM_ADMIN"), @Restrict("RESTRICTED_SYSTEM_ADMIN") }) public static void dbStatus() { DbRepairStatus dbstatus = AdminDashboardUtils.gethealthdb(); if (dbstatus.getLastCompletionTime() != null) { DateTime endTime = new DateTime(dbstatus.getLastCompletionTime().getTime()); renderArgs.put("endTime", endTime); } if (dbstatus.getStartTime() != null) { DateTime startTime = new DateTime(dbstatus.getStartTime().getTime()); renderArgs.put("startTime", startTime); } render(dbstatus); } @Restrictions({ @Restrict("SYSTEM_MONITOR"), @Restrict("SYSTEM_ADMIN"), @Restrict("RESTRICTED_SYSTEM_ADMIN") }) public static void physicalAssets() { Map<String, Promise<?>> promises = Maps.newHashMap(); promises.put("storageArrayCount", AdminDashboardUtils.storageArrayCount()); promises.put("smisProviderCount", AdminDashboardUtils.storageProviderCount()); promises.put("dataProtectionSystemCount", AdminDashboardUtils.dataProtectionSystemCount()); promises.put("fabricManagerCount", AdminDashboardUtils.fabricManagerCount()); promises.put("computeSystemCount", AdminDashboardUtils.computeSystemCount()); promises.put("computeImageCount", AdminDashboardUtils.computeImageCount()); promises.put("computeImageServerCount", AdminDashboardUtils.computeImageServerCount()); promises.put("networksCount", AdminDashboardUtils.networksCount()); promises.put("hostCount", AdminDashboardUtils.hostCount()); promises.put("vcenterCount", AdminDashboardUtils.vCenterCount()); promises.put("clusterCount", AdminDashboardUtils.clusterCount()); trySetRenderArgs(promises); // Last updated must be set after evaluating promises renderArgs.put("storageArrayCountLastUpdated", AdminDashboardUtils.getStorageArrayCountLastUpdated()); render(); } @Restrictions({ @Restrict("SYSTEM_MONITOR"), @Restrict("SYSTEM_ADMIN"), @Restrict("RESTRICTED_SYSTEM_ADMIN") }) public static void virtualAssets() { Map<String, Promise<?>> promises = Maps.newHashMap(); promises.put("virtualStorageArrayCount", AdminDashboardUtils.virutalStorageArrayCount()); if (LicenseUtils.isControllerLicensed()) { promises.put("blockVirtualPoolCount", AdminDashboardUtils.blockVirtualPoolCount()); promises.put("fileVirtualPoolCount", AdminDashboardUtils.fileVirtualPoolCount()); promises.put("objectVirtualPoolCount", AdminDashboardUtils.objectVirtualPoolCount()); promises.put("computeVirtualPoolCount", AdminDashboardUtils.computeVirtualPoolCount()); } trySetRenderArgs(promises); // Last updated must be set after evaluating promises renderArgs.put("virtualStorageArrayCountLastUpdated", AdminDashboardUtils.getVirtualStorageArrayCountLastUpdated()); render(); } @Restrictions({ @Restrict("SYSTEM_MONITOR"), @Restrict("SYSTEM_ADMIN"), @Restrict("RESTRICTED_SYSTEM_ADMIN") }) public static void capacity() { Map<String, Promise<?>> promises = Maps.newHashMap(); promises.put("storageStats", AdminDashboardUtils.storageStats()); trySetRenderArgs(promises); render(); } @Restrictions({ @Restrict("SECURITY_ADMIN"), @Restrict("RESTRICTED_SECURITY_ADMIN") }) public static void nodeReboot(@Required String nodeId) { new RebootNodeJob(getSysClient(), nodeId).in(3); flash.success(Messages.get("adminDashboard.nodeRebooting", nodeId)); Maintenance.maintenance(Common.reverseRoute(AdminDashboard.class, "dashboard")); } @Restrictions({ @Restrict("SECURITY_ADMIN"), @Restrict("RESTRICTED_SECURITY_ADMIN") }) public static void clusterPoweroff() { new PoweroffJob(getSysClient()).in(3); flash.success(MessagesUtils.get("adminDashboard.clusterPoweroff.description")); flash("isShuttingDown", true); Maintenance.maintenance(Common.reverseRoute(AdminDashboard.class, "dashboard")); } /** * Tries to set a number of render arguments. * * @param promises * the map or key to promise. */ private static void trySetRenderArgs(Map<String, Promise<?>> promises) { for (Map.Entry<String, Promise<?>> entry : promises.entrySet()) { trySetRenderArg(entry.getKey(), entry.getValue()); } } /** * Tries to set a render argument, ignoring any errors that may occur. * * @param name * the name of the render argument. * @param promise * the promise to retrieve the value of the promise. */ private static void trySetRenderArg(String name, Promise<?> promise) { try { Object value = await(promise); renderArgs.put(name, value); } catch (Exception e) { Throwable cause = Common.unwrap(e); String message = Common.getUserMessage(cause); renderArgs.put(name + "_error", message); Logger.warn(cause, "Could not set renderArg '%s'", name); } } }