add prom-client

3 files changed, 60 insertions, 0 deletions

diff --git a/package-lock.json b/package-lock.json
index 6933e21..93121d8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,6 +16,7 @@
         "node-cache": "^5.1.2",
         "node-fetch": "github:tekwiz/node-fetch#fix/chunked-encoding-keepalive",
         "prismarine-nbt": "github:PrismarineJS/prismarine-nbt",
+        "prom-client": "^14.0.1",
         "queue-promise": "^2.2.1",
         "uuid": "^8.3.2"
       },
@@ -342,6 +343,11 @@
         "node": ">=8"
       }
     },
+    "node_modules/bintrees": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/bintrees/-/bintrees-1.0.1.tgz",
+      "integrity": "sha1-DmVcm5wkNeqraL9AJyJtK1WjRSQ="
+    },
     "node_modules/body-parser": {
       "version": "1.19.1",
       "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.19.1.tgz",
@@ -1518,6 +1524,17 @@
         "protodef": "^1.9.0"
       }
     },
+    "node_modules/prom-client": {
+      "version": "14.0.1",
+      "resolved": "https://registry.npmjs.org/prom-client/-/prom-client-14.0.1.tgz",
+      "integrity": "sha512-HxTArb6fkOntQHoRGvv4qd/BkorjliiuO2uSWC2KC17MUTKYttWdDoXX/vxOhQdkoECEM9BBH0pj2l8G8kev6w==",
+      "dependencies": {
+        "tdigest": "^0.1.1"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
     "node_modules/protodef": {
       "version": "1.14.0",
       "resolved": "https://registry.npmjs.org/protodef/-/protodef-1.14.0.tgz",
@@ -1791,6 +1808,14 @@
         "url": "https://github.com/chalk/supports-color?sponsor=1"
       }
     },
+    "node_modules/tdigest": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/tdigest/-/tdigest-0.1.1.tgz",
+      "integrity": "sha1-Ljyyw56kSeVdHmzZEReszKRYgCE=",
+      "dependencies": {
+        "bintrees": "1.0.1"
+      }
+    },
     "node_modules/to-regex-range": {
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
@@ -2436,6 +2461,11 @@
       "integrity": "sha512-jDctJ/IVQbZoJykoeHbhXpOlNBqGNcwXJKJog42E5HDPUwQTSdjCHdihjj0DlnheQ7blbT6dHOafNAiS8ooQKA==",
       "dev": true
     },
+    "bintrees": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/bintrees/-/bintrees-1.0.1.tgz",
+      "integrity": "sha1-DmVcm5wkNeqraL9AJyJtK1WjRSQ="
+    },
     "body-parser": {
       "version": "1.19.1",
       "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.19.1.tgz",
@@ -3280,6 +3310,14 @@
         "protodef": "^1.9.0"
       }
     },
+    "prom-client": {
+      "version": "14.0.1",
+      "resolved": "https://registry.npmjs.org/prom-client/-/prom-client-14.0.1.tgz",
+      "integrity": "sha512-HxTArb6fkOntQHoRGvv4qd/BkorjliiuO2uSWC2KC17MUTKYttWdDoXX/vxOhQdkoECEM9BBH0pj2l8G8kev6w==",
+      "requires": {
+        "tdigest": "^0.1.1"
+      }
+    },
     "protodef": {
       "version": "1.14.0",
       "resolved": "https://registry.npmjs.org/protodef/-/protodef-1.14.0.tgz",
@@ -3481,6 +3519,14 @@
         "has-flag": "^4.0.0"
       }
     },
+    "tdigest": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/tdigest/-/tdigest-0.1.1.tgz",
+      "integrity": "sha1-Ljyyw56kSeVdHmzZEReszKRYgCE=",
+      "requires": {
+        "bintrees": "1.0.1"
+      }
+    },
     "to-regex-range": {
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
diff --git a/package.json b/package.json
index 7fcc238..a919abe 100644
--- a/package.json
+++ b/package.json
@@ -36,6 +36,7 @@
     "node-cache": "^5.1.2",
     "node-fetch": "github:tekwiz/node-fetch#fix/chunked-encoding-keepalive",
     "prismarine-nbt": "github:PrismarineJS/prismarine-nbt",
+    "prom-client": "^14.0.1",
     "queue-promise": "^2.2.1",
     "uuid": "^8.3.2"
   },
diff --git a/src/index.ts b/src/index.ts
index d0e4fd8..ffa683e 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -6,6 +6,7 @@ import * as discord from './discord.js'
 import express from 'express'
 import { getKeyUsage } from './hypixelApi.js'
 import { basicPlayerCache, basicProfilesCache, playerCache, profileCache, profileNameCache, profilesCache, usernameCache } from './hypixelCached.js'
+import { collectDefaultMetrics, register } from 'prom-client'
 
 const app = express()
 
@@ -185,6 +186,18 @@ app.post('/accounts/update', async (req, res) => {
 	}
 })
 
+
+// grafana integration
+collectDefaultMetrics()
+app.get('/metrics', async (_req, res) => {
+	try {
+		res.set('Content-Type', register.contentType)
+		res.end(await register.metrics())
+	} catch (err) {
+		res.status(500).end(err)
+	}
+})
+
 process.on('uncaughtException', err => console.error(err))
 process.on('unhandledRejection', (err, promise) => console.error(promise, err))