Add diagnostics endpoint

fixes #3430

packages/node_modules/@node-red/runtime/lib/api/diagnostics.js

@@ -0,0 +1,116 @@
+
+/**
+ * @mixin @node-red/diagnostics
+ * @namespace RED.runtime.diagnostics
+ */
+
+var runtime;
+
+var util = require("@node-red/util").util;
+
+function buildDiagnosticReport(scope, callback) {
+    var basic = {
+        "report": "diagnostics",
+        "scope": scope,
+        "runtime": {
+            version: runtime.settings.version,
+            isStarted: runtime.isStarted()
+        },
+        settings: {
+            available: runtime.settings.available(),
+            apiMaxLength: runtime.settings.apiMaxLength || "NO SETTING",
+            coreNodesDir: runtime.settings.coreNodesDir,
+            contextStorage: listContextModules(),
+            debugMaxLength: runtime.settings.debugMaxLength,
+            editorTheme: runtime.settings.editorTheme,
+            flowFile: runtime.settings.flowFile,
+            disableEditor:runtime.settings.disableEditor,
+            debugMaxLength:runtime.settings.debugMaxLength,
+            
+            httpAdminRoot: runtime.settings.httpAdminRoot,
+            httpAdminCors: runtime.settings.httpAdminCors ? "HAS SETTING": "NOT SET",
+            httpNodeAuth: runtime.settings.httpNodeAuth ? "HAS SETTING": "NOT SET", 
+            
+            httpNodeRoot: runtime.settings.httpNodeRoot,
+            httpNodeCors: runtime.settings.httpNodeCors ? "HAS SETTING": "NOT SET",
+
+            httpStatic: runtime.settings.httpStatic,
+            httpStaticCors: runtime.settings.httpStaticCors,
+
+            mqttReconnectTime: runtime.settings.mqttReconnectTime,
+
+
+            uiHost: runtime.settings.uiHost ? "HAS SETTING": "NOT SET",
+            uiPort: runtime.settings.uiPort ? "HAS SETTING": "NOT SET",
+            userDir: runtime.settings.userDir ? "HAS SETTING": "NOT SET",
+
+            version: runtime.settings.version
+        }
+    }
+    var admin = {};
+    if(scope == "admin") {
+        admin = {
+            httpAdminCors: runtime.settings.httpAdminCors ? runtime.settings.httpAdminCors : "NOT SET",
+            httpNodeCors: runtime.settings.httpNodeCors ? runtime.settings.httpNodeCors : "NOT SET",
+            uiHost: runtime.settings.uiHost ? runtime.settings.uiHost : "NOT SET",
+            uiPort: runtime.settings.uiPort ? runtime.settings.uiPort : "NOT SET",
+            userDir: runtime.settings.userDir ? runtime.settings.userDir : "NOT SET",
+        }
+    }
+
+    var report = Object.assign({}, admin, basic);
+
+    callback(report);
+
+    function listContextModules() {
+        var keys = Object.keys(runtime.settings.contextStorage);
+        var result = {};
+        keys.forEach(e => {
+            result[e] = {
+                module: runtime.settings.contextStorage[e].module
+            }
+        })
+        return result;
+    }
+}
+
+
+var api = module.exports = {
+    init: function (_runtime) {
+        runtime = _runtime;
+    },
+    /**
+    * Gets the node-red diagnostics report
+    * @param {{scope: string}} - settings
+    * @return {Promise} - the diagnostics information
+    * @memberof @node-red/diagnostics
+    */
+    get: async function (opts) {
+        return new Promise(function (resolve, reject) {
+            opts = opts || {}
+            var scope = opts.scope;
+            try {
+                if (scope === 'admin') {
+                    //admin level info
+                    runtime.log.audit({ event: "diagnostics.get", scope: "admin" }, opts.req);
+                    buildDiagnosticReport(scope, (report) => resolve(report));
+                } else if (scope === 'detail') {
+                    //detail!
+                    runtime.log.audit({ event: "diagnostics.get", scope: "detail" }, opts.req);
+                    buildDiagnosticReport(scope, (report) => resolve(report));
+                } else if (scope === 'basic')  {
+                    //basic!
+                    runtime.log.audit({ event: "diagnostics.get", scope: "basic" }, opts.req);
+                    buildDiagnosticReport(scope, (report) => resolve(report));   
+                
+                } else {
+                    runtime.log.audit({ event: "diagnostics.get", scope: scope }, opts.req);
+                    resolve({});
+                }
+            } catch (error) {
+                runtime.log.audit({ event: "diagnostics.get", scope: scope }, opts.req);
+                reject(error);
+            }
+        })
+    },
+}

packages/node_modules/@node-red/runtime/lib/api/index.js

@@ -29,6 +29,7 @@ var api = module.exports = {
         api.projects.init(runtime);
         api.context.init(runtime);
         api.plugins.init(runtime);
+        api.diagnostics.init(runtime);
     },
 
     comms: require("./comms"),
@@ -39,6 +40,7 @@ var api = module.exports = {
     projects: require("./projects"),
     context: require("./context"),
     plugins: require("./plugins"),
+    diagnostics: require("./diagnostics"),
 
     isStarted: async function(opts) {
         return runtime.isStarted();

packages/node_modules/@node-red/runtime/lib/index.js

@@ -395,7 +395,12 @@ module.exports = {
     * @memberof @node-red/runtime
     */
     version: externalAPI.version,
-
+    
+    /**
+    * @memberof @node-red/diagnostics
+    */
+    diagnostics:externalAPI.diagnostics,
+    
     storage: storage,
     events: events,
     hooks: hooks,