fix: add user and project counters

src/lib/db/project-store.ts

@@ -231,6 +231,13 @@ class ProjectStore implements IProjectStore {
         return [];
     }
 
+    async count(): Promise<number> {
+        return this.db
+            .count('*')
+            .from(TABLE)
+            .then((res) => Number(res[0].count));
+    }
+
     // eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types
     private getEnvironment(r: any): IEnvironmentOverview {
         return {

src/lib/db/user-store.ts

@@ -176,6 +176,13 @@ class UserStore implements IUserStore {
         await this.db(TABLE).del();
     }
 
+    async count(): Promise<number> {
+        return this.db
+            .count('*')
+            .from(TABLE)
+            .then((res) => Number(res[0].count));
+    }
+
     destroy(): void {}
 
     async exists(id: number): Promise<boolean> {

src/lib/metrics.ts

@@ -13,7 +13,7 @@ import { IUnleashConfig } from './types/option';
 import { IUnleashStores } from './types/stores';
 import Timer = NodeJS.Timer;
 
-const THREE_HOURS = 3 * 60 * 60 * 1000;
+const TWO_HOURS = 2 * 60 * 60 * 1000;
 const ONE_MINUTE = 60 * 1000;
 
 export default class MetricsMonitor {
@@ -37,7 +37,13 @@ export default class MetricsMonitor {
             return;
         }
 
-        const { eventStore, clientMetricsStore, featureToggleStore } = stores;
+        const {
+            eventStore,
+            clientMetricsStore,
+            featureToggleStore,
+            userStore,
+            projectStore,
+        } = stores;
 
         client.collectDefaultMetrics();
 
@@ -68,25 +74,44 @@ export default class MetricsMonitor {
             help: 'Number of feature toggles',
             labelNames: ['version'],
         });
+        const usersTotal = new client.Gauge({
+            name: 'users_total',
+            help: 'Number of users',
+        });
+        const projectsTotal = new client.Gauge({
+            name: 'projects_total',
+            help: 'Number of projects',
+        });
 
-        async function collectFeatureToggleMetrics() {
-            featureTogglesTotal.reset();
-            let togglesCount;
+        async function collectStaticCounters() {
+            let togglesCount: number = 0;
+            let usersCount: number;
+            let projectsCount: number;
             try {
                 togglesCount = await featureToggleStore.count({
                     archived: false,
                 });
+                usersCount = await userStore.count();
+                projectsCount = await projectStore.count();
                 // eslint-disable-next-line no-empty
             } catch (e) {}
 
-            togglesCount = togglesCount || 0;
+            featureTogglesTotal.reset();
             featureTogglesTotal.labels(version).set(togglesCount);
+            if (usersCount) {
+                usersTotal.reset();
+                usersTotal.set(usersCount);
+            }
+            if (projectsCount) {
+                projectsTotal.reset();
+                projectsTotal.set(usersCount);
+            }
         }
 
-        collectFeatureToggleMetrics();
+        collectStaticCounters();
         this.timer = setInterval(
-            () => collectFeatureToggleMetrics(),
-            THREE_HOURS,
+            () => collectStaticCounters(),
+            TWO_HOURS,
         ).unref();
 
         eventBus.on(

src/lib/types/stores/project-store.ts

@@ -31,4 +31,5 @@ export interface IProjectStore extends Store<IProject, string> {
         projectId: string,
         archived: boolean,
     ): Promise<IFeatureOverview[]>;
+    count(): Promise<number>;
 }

src/lib/types/stores/user-store.ts

@@ -37,4 +37,5 @@ export interface IUserStore extends Store<IUser, number> {
     setPasswordHash(userId: number, passwordHash: string): Promise<void>;
     incLoginAttempts(user: IUser): Promise<void>;
     successfullyLogin(user: IUser): Promise<void>;
+    count(): Promise<number>;
 }

src/test/fixtures/fake-project-store.ts

@@ -64,6 +64,10 @@ export default class FakeProjectStore implements IProjectStore {
 
     destroy(): void {}
 
+    async count(): Promise<number> {
+        return this.projects.length;
+    }
+
     async exists(key: string): Promise<boolean> {
         return this.projects.some((p) => p.id === key);
     }

src/test/fixtures/fake-user-store.ts

@@ -38,6 +38,10 @@ class UserStoreMock implements IUserStore {
         return this.data.some((u) => u.id === key);
     }
 
+    async count(): Promise<number> {
+        return this.data.length;
+    }
+
     async get(key: number): Promise<IUser> {
         return this.data.find((u) => u.id === key);
     }