add system info page for admin user to diagnose the system

apollo-core/src/main/java/com/ctrip/framework/apollo/core/MetaDomainConsts.java

@@ -53,6 +53,9 @@ public class MetaDomainConsts {
 
   private static final Object LOCK = new Object();
 
+  /**
+   * Return one meta server address. If multiple meta server addresses are configured, will select one.
+   */
   public static String getDomain(Env env) {
     String metaServerAddress = getMetaServerAddress(env);
     // if there is more than one address, need to select one
@@ -62,7 +65,10 @@ public class MetaDomainConsts {
     return metaServerAddress;
   }
 
-  private static String getMetaServerAddress(Env env) {
+  /**
+   * Return meta server address. If multiple meta server addresses are configured, will return the comma separated string.
+   */
+  public static String getMetaServerAddress(Env env) {
     if (!metaServerAddressCache.containsKey(env)) {
       initMetaServerAddress(env);
     }

apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/controller/SystemInfoController.java

+package com.ctrip.framework.apollo.portal.controller;
+
+import com.ctrip.framework.apollo.Apollo;
+import com.ctrip.framework.apollo.core.MetaDomainConsts;
+import com.ctrip.framework.apollo.core.dto.ServiceDTO;
+import com.ctrip.framework.apollo.core.enums.Env;
+import com.ctrip.framework.apollo.portal.component.PortalSettings;
+import com.ctrip.framework.apollo.portal.component.RestTemplateFactory;
+import com.ctrip.framework.apollo.portal.entity.vo.EnvironmentInfo;
+import com.ctrip.framework.apollo.portal.entity.vo.SystemInfo;
+import java.util.List;
+import javax.annotation.PostConstruct;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.actuate.health.Health;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.client.RestTemplate;
+
+@RestController
+@RequestMapping("/system-info")
+public class SystemInfoController {
+
+  private static final Logger logger = LoggerFactory.getLogger(SystemInfoController.class);
+  private static final String CONFIG_SERVICE_URL_PATH = "/services/config";
+  private static final String ADMIN_SERVICE_URL_PATH = "/services/admin";
+
+  private RestTemplate restTemplate;
+
+  @Autowired
+  private PortalSettings portalSettings;
+
+  @Autowired
+  private RestTemplateFactory restTemplateFactory;
+
+  @PostConstruct
+  private void init() {
+    restTemplate = restTemplateFactory.getObject();
+  }
+
+  @PreAuthorize(value = "@permissionValidator.isSuperAdmin()")
+  @RequestMapping(method = RequestMethod.GET)
+  public SystemInfo getSystemInfo() {
+    SystemInfo systemInfo = new SystemInfo();
+
+    String version = Apollo.VERSION;
+    if (isValidVersion(version)) {
+      systemInfo.setVersion(version);
+    }
+
+    List<Env> allEnvList = portalSettings.getAllEnvs();
+
+    for (Env env : allEnvList) {
+      EnvironmentInfo environmentInfo = new EnvironmentInfo();
+      String metaServerAddresses = MetaDomainConsts.getMetaServerAddress(env);
+
+      environmentInfo.setEnv(env);
+      environmentInfo.setActive(portalSettings.isEnvActive(env));
+      environmentInfo.setMetaServerAddress(metaServerAddresses);
+
+      String selectedMetaServerAddress = MetaDomainConsts.getDomain(env);
+      try {
+        environmentInfo.setConfigServices(getServerAddress(selectedMetaServerAddress, CONFIG_SERVICE_URL_PATH));
+
+        environmentInfo.setAdminServices(getServerAddress(selectedMetaServerAddress, ADMIN_SERVICE_URL_PATH));
+      } catch (Throwable ex) {
+        String errorMessage = "Loading config/admin services from meta server: " + selectedMetaServerAddress + " failed!";
+        logger.error(errorMessage, ex);
+        environmentInfo.setErrorMessage(errorMessage + " Exception: " + ex.getMessage());
+      }
+
+      systemInfo.addEnvironment(environmentInfo);
+    }
+
+    return systemInfo;
+  }
+
+  @PreAuthorize(value = "@permissionValidator.isSuperAdmin()")
+  @RequestMapping(value = "/health", method = RequestMethod.GET)
+  public Health checkHealth(@RequestParam String host) {
+    return restTemplate.getForObject(host + "/health", Health.class);
+  }
+
+  private ServiceDTO[] getServerAddress(String metaServerAddress, String path) {
+    String url = metaServerAddress + path;
+    return restTemplate.getForObject(url, ServiceDTO[].class);
+  }
+
+  private boolean isValidVersion(String version) {
+    return !version.equals("java-null");
+  }
+}

apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/entity/vo/EnvironmentInfo.java

+package com.ctrip.framework.apollo.portal.entity.vo;
+
+import com.ctrip.framework.apollo.core.dto.ServiceDTO;
+import com.ctrip.framework.apollo.core.enums.Env;
+
+public class EnvironmentInfo {
+
+  private Env env;
+  private boolean active;
+  private String metaServerAddress;
+
+  private ServiceDTO[] configServices;
+  private ServiceDTO[] adminServices;
+
+  private String errorMessage;
+
+  public Env getEnv() {
+    return env;
+  }
+
+  public void setEnv(Env env) {
+    this.env = env;
+  }
+
+  public boolean isActive() {
+    return active;
+  }
+
+  public void setActive(boolean active) {
+    this.active = active;
+  }
+
+  public String getMetaServerAddress() {
+    return metaServerAddress;
+  }
+
+  public void setMetaServerAddress(String metaServerAddress) {
+    this.metaServerAddress = metaServerAddress;
+  }
+
+  public ServiceDTO[] getConfigServices() {
+    return configServices;
+  }
+
+  public void setConfigServices(ServiceDTO[] configServices) {
+    this.configServices = configServices;
+  }
+
+  public ServiceDTO[] getAdminServices() {
+    return adminServices;
+  }
+
+  public void setAdminServices(ServiceDTO[] adminServices) {
+    this.adminServices = adminServices;
+  }
+
+  public String getErrorMessage() {
+    return errorMessage;
+  }
+
+  public void setErrorMessage(String errorMessage) {
+    this.errorMessage = errorMessage;
+  }
+}

apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/entity/vo/SystemInfo.java

+package com.ctrip.framework.apollo.portal.entity.vo;
+
+import com.google.common.collect.Lists;
+import java.util.List;
+
+public class SystemInfo {
+
+  private String version;
+
+  private List<EnvironmentInfo> environments = Lists.newLinkedList();
+
+  public String getVersion() {
+    return version;
+  }
+
+  public void setVersion(String version) {
+    this.version = version;
+  }
+
+  public List<EnvironmentInfo> getEnvironments() {
+    return environments;
+  }
+
+  public void addEnvironment(EnvironmentInfo environment) {
+    this.environments.add(environment);
+  }
+}

apollo-portal/src/main/resources/static/scripts/app.js

@@ -36,3 +36,5 @@ var user_module = angular.module('user', ['apollo.directive', 'toastr', 'app.ser
 var login_module = angular.module('login', ['toastr', 'app.util']);
 //delete app cluster namespace
 var delete_app_cluster_namespace_module = angular.module('delete_app_cluster_namespace', ['app.service', 'apollo.directive', 'app.util', 'toastr', 'angular-loading-bar']);
+//system info
+var system_info_module = angular.module('system_info', ['app.service', 'apollo.directive', 'app.util', 'toastr', 'angular-loading-bar']);

apollo-portal/src/main/resources/static/scripts/controller/SystemInfoController.js

+system_info_module.controller('SystemInfoController',
+                              ['$scope', 'toastr', 'AppUtil', 'AppService', 'ClusterService', 'NamespaceService', 'PermissionService', 'SystemInfoService',
+                               SystemInfoController]);
+
+function SystemInfoController($scope, toastr, AppUtil, AppService, ClusterService, NamespaceService, PermissionService, SystemInfoService) {
+
+    $scope.systemInfo = {};
+    $scope.check = check;
+
+    initPermission();
+
+    function initPermission() {
+        PermissionService.has_root_permission()
+            .then(function (result) {
+                  $scope.isRootUser = result.hasPermission;
+
+                  if (result.hasPermission) {
+                      loadSystemInfo();
+                  }
+            })
+    }
+
+    function loadSystemInfo() {
+        SystemInfoService.load_system_info().then(function (result) {
+            $scope.systemInfo = result;
+        }, function (result) {
+            AppUtil.showErrorMsg(result);
+        });
+    }
+
+    function check(host) {
+        SystemInfoService.check_health(host).then(function (result) {
+            var status = result.status.code;
+            if (status == 'UP') {
+                toastr.success(host + ' is healthy!');
+            } else {
+                toastr.error(host + ' is not healthy, please check ' + host + '/health for more information!');
+            }
+        }, function (result) {
+            AppUtil.showErrorMsg(result);
+        });
+    }
+}

apollo-portal/src/main/resources/static/scripts/services/SystemInfoService.js

+appService.service('SystemInfoService', ['$resource', '$q', function ($resource, $q) {
+    var system_info_resource = $resource('', {}, {
+        load_system_info: {
+            method: 'GET',
+            url: '/system-info'
+        },
+        check_health: {
+            method: 'GET',
+            url: '/system-info/health'
+        }
+    });
+    return {
+        load_system_info: function () {
+            var d = $q.defer();
+            system_info_resource.load_system_info({},
+            function (result) {
+                d.resolve(result);
+            }, function (result) {
+                d.reject(result);
+            });
+            return d.promise;
+        },
+        check_health: function (host) {
+            var d = $q.defer();
+            system_info_resource.check_health({
+                host: host
+            },
+            function (result) {
+                d.resolve(result);
+            }, function (result) {
+                d.reject(result);
+            });
+            return d.promise;
+        }
+    }
+}]);

apollo-portal/src/main/resources/static/system_info.html

+<!doctype html>
+<html ng-app="system_info">
+<head>
+    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+    <link rel="icon" href="../img/config.png">
+    <!-- styles -->
+    <link rel="stylesheet" type="text/css" href="../vendor/bootstrap/css/bootstrap.min.css">
+    <link rel="stylesheet" type="text/css" href="../vendor/angular/angular-toastr-1.4.1.min.css">
+    <link rel="stylesheet" type="text/css" media='all' href="../vendor/angular/loading-bar.min.css">
+    <link rel="stylesheet" type="text/css" href="../styles/common-style.css">
+    <link rel="stylesheet" type="text/css" href="../vendor/select2/select2.min.css">
+    <title>系统信息</title>
+</head>
+
+<body>
+
+<apollonav></apollonav>
+
+
+<div class="container-fluid" ng-controller="SystemInfoController">
+    <div class="col-md-10 col-md-offset-1 panel">
+
+        <section class="panel-body" ng-show="isRootUser">
+            <section class="row">
+                <h3>系统信息
+                </h3>
+                <h6 ng-show="systemInfo.version">系统版本: {{systemInfo.version}}</h6>
+                <h6>环境列表来自于ApolloPortalDB.ServerConfig中的<strong>apollo.portal.envs</strong>配置，可以到<a href="server_config.html">系统参数</a>页面配置，
+                    更多信息可以参考<a href="https://github.com/ctripcorp/apollo/wiki/%E5%88%86%E5%B8%83%E5%BC%8F%E9%83%A8%E7%BD%B2%E6%8C%87%E5%8D%97">分布式部署指南</a>中的<strong>apollo.portal.envs - 可支持的环境列表</strong>章节。
+                </h6>
+                <h6>Meta server地址展示了该环境配置的meta server信息，更多信息可以参考<a href="https://github.com/ctripcorp/apollo/wiki/%E5%88%86%E5%B8%83%E5%BC%8F%E9%83%A8%E7%BD%B2%E6%8C%87%E5%8D%97">分布式部署指南</a>中的<strong>配置apollo-portal的meta service信息</strong>章节。
+                </h6>
+
+                <div ng-repeat="env in systemInfo.environments">
+                    <hr>
+                    <h4>环境: {{env.env}}
+                    </h4>
+                    <h5>Active: {{env.active}}
+                        <span ng-show="env.active == false" style="color: #a94442;">（当前环境状态异常，请结合下方系统信息和Admin Service的Check Health结果排查）</span>
+                    </h5>
+                    <h5>Meta server地址: {{env.metaServerAddress}}</h5>
+                    <div ng-show="env.errorMessage" ng-bind="env.errorMessage" class="alert alert-danger" role="alert">
+                    </div>
+                    <h4 class="text-center">Config Services</h4>
+                    <table class="table table-striped table-hover table-bordered">
+                        <thead>
+                        <tr>
+                            <th>Name</th>
+                            <th>Instance Id</th>
+                            <th>Home Page Url</th>
+                            <th>Check Health</th>
+                        </tr>
+                        </thead>
+                        <tbody>
+                        <tr ng-show="(!env.configServices || env.configServices.length < 1)">
+                            <td colspan="4">No config service found!</td>
+                        </tr>
+                        <tr ng-show="env.configServices && env.configServices.length > 0" ng-repeat="service in env.configServices">
+                            <td>{{service.appName}}</td>
+                            <td>{{service.instanceId}}</td>
+                            <td>{{service.homepageUrl}}</td>
+                            <td><a href="javascript:;" ng-click="check(service.homepageUrl)">check</a>
+                            </td>
+                        </tr>
+                        </tbody>
+                    </table>
+                    <h4 class="text-center">Admin Services</h4>
+                    <table class="table table-striped table-hover table-bordered">
+                        <thead>
+                        <tr>
+                            <th>Name</th>
+                            <th>Instance Id</th>
+                            <th>Home Page Url</th>
+                            <th>Check Health</th>
+                        </tr>
+                        </thead>
+                        <tbody>
+                        <tr ng-show="(!env.adminServices || env.adminServices.length < 1)">
+                            <td colspan="4">No admin service found!</td>
+                        </tr>
+                        <tr ng-show="env.adminServices && env.adminServices.length > 0" ng-repeat="service in env.adminServices">
+                            <td>{{service.appName}}</td>
+                            <td>{{service.instanceId}}</td>
+                            <td>{{service.homepageUrl}}</td>
+                            <td><a href="javascript:;" ng-click="check(service.homepageUrl)">check</a>
+                        </tr>
+                        </tbody>
+                    </table>
+                </div>
+
+            </section>
+        </section>
+
+        <section class="panel-body text-center" ng-if="!isRootUser">
+            <h4>当前页面只对Apollo管理员开放</h4>
+        </section>
+
+    </div>
+</div>
+
+<div ng-include="'../views/common/footer.html'"></div>
+
+<!-- jquery.js -->
+<script src="../vendor/jquery.min.js" type="text/javascript"></script>
+
+<!--angular-->
+<script src="../vendor/angular/angular.min.js"></script>
+<script src="../vendor/angular/angular-route.min.js"></script>
+<script src="../vendor/angular/angular-resource.min.js"></script>
+<script src="../vendor/angular/angular-toastr-1.4.1.tpls.min.js"></script>
+<script src="../vendor/angular/loading-bar.min.js"></script>
+
+<!--valdr-->
+<script src="../vendor/valdr/valdr.min.js" type="text/javascript"></script>
+<script src="../vendor/valdr/valdr-message.min.js" type="text/javascript"></script>
+
+<!-- bootstrap.js -->
+<script src="../vendor/bootstrap/js/bootstrap.min.js" type="text/javascript"></script>
+
+<!--nicescroll-->
+<script src="../vendor/jquery.nicescroll.min.js"></script>
+<script src="../vendor/lodash.min.js"></script>
+
+<script src="../vendor/select2/select2.min.js" type="text/javascript"></script>
+<!--biz-->
+<!--must import-->
+<script type="application/javascript" src="../scripts/app.js"></script>
+<script type="application/javascript" src="../scripts/services/AppService.js"></script>
+<script type="application/javascript" src="../scripts/services/EnvService.js"></script>
+<script type="application/javascript" src="../scripts/services/UserService.js"></script>
+<script type="application/javascript" src="../scripts/services/CommonService.js"></script>
+<script type="application/javascript" src="../scripts/services/PermissionService.js"></script>
+<script type="application/javascript" src="../scripts/services/ClusterService.js"></script>
+<script type="application/javascript" src="../scripts/services/NamespaceService.js"></script>
+<script type="application/javascript" src="../scripts/services/SystemInfoService.js"></script>
+
+<script type="application/javascript" src="../scripts/AppUtils.js"></script>
+
+<script type="application/javascript" src="../scripts/PageCommon.js"></script>
+<script type="application/javascript" src="../scripts/directive/directive.js"></script>
+<script type="application/javascript" src="../scripts/valdr.js"></script>
+
+<script type="application/javascript" src="../scripts/controller/SystemInfoController.js"></script>
+</body>
+</html>

apollo-portal/src/main/resources/static/views/common/nav.html

@@ -34,6 +34,7 @@
                         <li><a href="/open/manage.html" target="_blank">开放平台授权管理</a></li>
                         <li><a href="/server_config.html" target="_blank">系统参数</a></li>
                         <li><a href="/delete_app_cluster_namespace.html" target="_blank">删除应用、集群、AppNamespace</a></li>
+                        <li><a href="/system_info.html" target="_blank">系统信息</a></li>
                     </ul>
                 </li>
                 <li class="dropdown">