Initial commit

youless-exporter/Dockerfile

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+FROM node:12
+COPY . /
+CMD npm run start
+
+
+

youless-exporter/package-lock.json

@@ -0,0 +1,70 @@
+{
+  "name": "youless-exporter",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
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+      "version": "14.0.27",
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+      "dev": true
+    },
+    "arg": {
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+      "resolved": "https://registry.npmjs.org/arg/-/arg-4.1.3.tgz",
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+    },
+    "make-error": {
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+      "resolved": "https://registry.npmjs.org/make-error/-/make-error-1.3.6.tgz",
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+    },
+    "source-map-support": {
+      "version": "0.5.19",
+      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.19.tgz",
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+      "requires": {
+        "buffer-from": "^1.0.0",
+        "source-map": "^0.6.0"
+      }
+    },
+    "ts-node": {
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+      "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-8.10.2.tgz",
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+      "requires": {
+        "arg": "^4.1.0",
+        "diff": "^4.0.1",
+        "make-error": "^1.1.1",
+        "source-map-support": "^0.5.17",
+        "yn": "3.1.1"
+      }
+    },
+    "typescript": {
+      "version": "3.9.7",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.7.tgz",
+      "integrity": "sha512-BLbiRkiBzAwsjut4x/dsibSTB6yWpwT5qWmC2OfuCg3GgVQCSgMs4vEctYPhsaGtd0AeuuHMkjZ2h2WG8MSzRw=="
+    },
+    "yn": {
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+      "resolved": "https://registry.npmjs.org/yn/-/yn-3.1.1.tgz",
+      "integrity": "sha512-Ux4ygGWsu2c7isFWe8Yu1YluJmqVhxqK2cLXNQA5AcC3QfbGNpM7fu0Y8b/z16pXLnFxZYvWhd3fhBY9DLmC6Q=="
+    }
+  }
+}

youless-exporter/package.json

@@ -0,0 +1,18 @@
+{
+  "name": "youless-exporter",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "start": "ts-node src/main.ts"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "ts-node": "^8.10.2",
+    "typescript": "^3.9.7"
+  },
+  "devDependencies": {
+    "@types/node": "^14.0.27"
+  }
+}

youless-exporter/src/main.ts

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+import * as http from 'http';
+
+const port = 4202;
+const youlessUri = 'http://192.168.2.68/a'
+
+const server = http.createServer((req, res) => {
+
+    http.request(youlessUri, response => {
+        let str = ''
+        response.on('data', function (chunk) {
+            str += chunk;
+        });
+
+        response.on('end', function () {
+            const parser = new Parser(str);
+
+            res.end(parser.toPrometheusFormat())
+        });
+    }).end();
+
+})
+
+server.listen(port)
+
+
+class Parser {
+    public kWhTotal: number = null;
+    public currentPowerWatt: number = null;
+
+    constructor(
+        private input: string
+    ) {
+        this.parse();
+    }
+
+    public toPrometheusFormat(): string {
+        return [
+            `kwh_total ${this.kWhTotal}`,
+            `current_power_watt ${this.currentPowerWatt}`
+            ].join('\n')
+    }
+
+    private parse() {
+        const lines = this.input.split('\n')
+            .map(line => line.trim())
+            .map(line => line.split(' '))
+
+        if (lines.length === 0) {
+            return;
+        }
+
+        this.kWhTotal = parseFloat(lines[0][0]?.replace(',', '.'));
+        this.currentPowerWatt = parseInt(lines[1][0])
+    }
+
+
+}