Karl/ollama_cloud_usage_ha
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feat: implement Ollama cloud usage server

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Add a lightweight Node.js server that scrapes Ollama cloud usage data
from ollama.com/settings and exposes it as a JSON API.

- Support for email/password and cookie-based authentication
- Automated polling and Home Assistant integration
- Endpoints for usage data, manual refresh, and cookie management
- Comprehensive README and environment configuration
This commit is contained in:
Karl 2026-05-07 14:46:36 +01:00
commit 87a3844255
6 changed files with 1476 additions and 0 deletions
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# Auth mode: "email" for automated login, "cookies" to use exported browser cookies
# For Google accounts without a password, use "cookies" mode
# Default: "email" if OLLAMA_PASSWORD is set, otherwise "cookies"
AUTH_MODE=email
# For email auth mode
OLLAMA_EMAIL=you@example.com
OLLAMA_PASSWORD=your-password
# Server port (default: 3214)
PORT=3214
# Polling interval in minutes (default: 10)
POLL_MINUTES=30
# Optional: Home Assistant push
HA_URL=http://homeassistant.local:8123
HA_TOKEN=eyJhbGciOi...

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.env
.cookies.json
node_modules/

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# Ollama Cloud Usage Server
A lightweight Node.js server that scrapes your Ollama cloud usage from `ollama.com/settings` and exposes it as a JSON API. Works on headless servers. Optionally pushes to Home Assistant.
**No browser on the server needed** — uses pure HTTP requests with cookie management.
## Setup
```bash
cp .env.example .env # Edit with your settings
npm install
npm start
```
## Authentication
You have two options:
### Option 1: Email/Password (for accounts with a password)
Set in `.env`:
```
AUTH_MODE=email
OLLAMA_EMAIL=you@example.com
OLLAMA_PASSWORD=your-password
```
If your account was created via Google OAuth and has no password set, use Option 2.
### Option 2: Export cookies from your browser (works with Google/GitHub accounts)
Use this if you sign in with Google/GitHub and don't have a password on your Ollama account.
**Using a cookie export extension** (e.g. [EditThisCookie](https://editthiscookie.com/) or [Cookie-Editor](https://cookie-editor.com/)):
1. Install the extension, sign into ollama.com
2. Export cookies for ollama.com as JSON
3. POST the JSON array to the server:
```bash
curl -X POST http://localhost:3214/api/cookies \
-H "Content-Type: application/json" \
-d @cookies.json
```
**Using DevTools directly:**
1. Sign into ollama.com in your browser
2. Open DevTools → Application → Cookies → `https://ollama.com`
3. Copy each cookie's name/value and POST as JSON
Cookies are saved to `.cookies.json` and reused across polls. They eventually expire, at which point you'll need to re-export them.
**Set in `.env`:**
```
AUTH_MODE=cookies
```
## API Endpoints
| Endpoint | Method | Description |
|---|---|---|
| `/api/usage` | GET | Latest polled usage data |
| `/api/usage/refresh` | GET | Force a fresh poll right now |
| `/api/health` | GET | Server status and config |
| `/api/cookies` | POST | Upload/replace cookies (JSON array) |
### Example response (`/api/usage`)
```json
{
"session": {
"percent": 9.2,
"resetsIn": "2 hours"
},
"weekly": {
"percent": 32.9,
"resetsIn": "3 days"
},
"fetchedAt": "2026-05-07T13:08:44.194Z"
}
```
## Home Assistant Integration
### Option A: Automatic push
Set `HA_URL` and `HA_TOKEN` in `.env`. The server pushes to `sensor.ollama_session_usage` and `sensor.ollama_weekly_usage` after every poll. Sensors are created automatically in HA — no need to define them manually.
### Option B: REST sensor (pull from HA)
Add to `configuration.yaml`:
```yaml
sensor:
- platform: rest
name: Ollama Session Usage
resource: http://localhost:3214/api/usage
value_template: "{{ value_json.session.percent | default('unavailable') }}"
unit_of_measurement: "%"
state_class: measurement
json_attributes:
- session
- weekly
- fetchedAt
scan_interval: 1800
- platform: rest
name: Ollama Weekly Usage
resource: http://localhost:3214/api/usage
value_template: "{{ value_json.weekly.percent | default('unavailable') }}"
unit_of_measurement: "%"
state_class: measurement
scan_interval: 1800
```
## Environment Variables
| Variable | Default | Description |
|---|---|---|
| `AUTH_MODE` | `email` if password set, else `cookies` | `email` or `cookies` |
| `OLLAMA_EMAIL` | — | Email for email auth mode |
| `OLLAMA_PASSWORD` | — | Password for email auth mode |
| `PORT` | 3214 | Server port |
| `POLL_MINUTES` | 30 | Poll interval in minutes |
| `HA_URL` | — | Home Assistant URL (no trailing slash) |
| `HA_TOKEN` | — | HA long-lived access token |
| `COOKIE_FILE` | `.cookies.json` | Path to persist cookies |
## Updating Cookies
When cookies expire, re-export from your browser and POST again — it overwrites the old ones:
```bash
curl -X POST http://localhost:3214/api/cookies \
-H "Content-Type: application/json" \
-d @fresh-cookies.json
```
The server logs will show `needsLogin` when cookies have expired.
## Running as a Service
```bash
# Using pm2
npm install -g pm2
pm2 start server.js --name ollama-usage
pm2 save
pm2 startup
```

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}

13
package.json Normal file
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@ -0,0 +1,13 @@
{
"name": "ollama-usage-server",
"version": "1.0.0",
"description": "Polls ollama.com/settings for cloud usage data and exposes it as a JSON API. Optionally pushes to Home Assistant.",
"main": "server.js",
"scripts": {
"start": "node server.js"
},
"dependencies": {
"dotenv": "^16.4.5",
"express": "^4.21.0"
}
}

439
server.js Normal file
View File

@ -0,0 +1,439 @@
require("dotenv").config();
const express = require("express");
const fs = require("fs");
const path = require("path");
const SETTINGS_URL = "https://ollama.com/settings";
const SIGNIN_URL = "https://ollama.com/signin";
const POLL_MINUTES = parseInt(process.env.POLL_MINUTES || "30", 10);
const PORT = parseInt(process.env.PORT || "3214", 10);
const OLLAMA_EMAIL = process.env.OLLAMA_EMAIL || "";
const OLLAMA_PASSWORD = process.env.OLLAMA_PASSWORD || "";
const AUTH_MODE = (process.env.AUTH_MODE || "").toLowerCase();
const HA_URL = (process.env.HA_URL || "").replace(/\/+$/, "");
const HA_TOKEN = process.env.HA_TOKEN || "";
const COOKIE_FILE = process.env.COOKIE_FILE || path.join(__dirname, ".cookies.json");
let latestState = null;
let authCookies = null;
function loadCookies() {
try {
const data = fs.readFileSync(COOKIE_FILE, "utf-8");
authCookies = JSON.parse(data);
console.log("[auth] Loaded cookies from file");
return true;
} catch {
return false;
}
}
function saveCookies(cookies) {
authCookies = cookies;
try {
fs.writeFileSync(COOKIE_FILE, JSON.stringify(cookies, null, 2));
} catch (err) {
console.error("[auth] Failed to save cookies:", err.message);
}
}
function cookieString(cookies) {
return cookies.map((c) => `${c.name}=${c.value}`).join("; ");
}
function parseSetCookies(setCookieHeaders) {
if (!setCookieHeaders) return [];
const arr = Array.isArray(setCookieHeaders) ? setCookieHeaders : [setCookieHeaders];
return arr.map((header) => {
const parts = header.split(";")[0].split("=");
const name = parts[0].trim();
const value = parts.slice(1).join("=").trim();
return { name, value };
});
}
function mergeCookies(existing, incoming) {
const map = new Map();
for (const c of existing) map.set(c.name, c);
for (const c of incoming) map.set(c.name, c);
return [...map.values()];
}
async function httpRequest(url, options = {}) {
const headers = { ...options.headers };
if (authCookies && authCookies.length > 0) {
headers["Cookie"] = cookieString(authCookies);
}
headers["User-Agent"] = headers["User-Agent"] || "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36";
const res = await fetch(url, {
...options,
headers,
redirect: "manual",
});
const setCookies = res.headers.getSetCookie?.() || [];
if (setCookies.length > 0 && authCookies) {
const parsed = parseSetCookies(setCookies);
authCookies = mergeCookies(authCookies, parsed);
saveCookies(authCookies);
}
return res;
}
async function fetchWithCookies(url, options = {}) {
let res = await httpRequest(url, options);
const location = res.headers.get("location");
if (location && (res.status === 301 || res.status === 302 || res.status === 303 || res.status === 307 || res.status === 308)) {
const nextUrl = new URL(location, url).href;
return fetchWithCookies(nextUrl, options);
}
return res;
}
function findUsage(html, label) {
const idx = html.indexOf(label);
if (idx === -1) return null;
const slice = html.slice(idx, idx + 3000);
const pct = slice.match(/(\d+(?:\.\d+)?)\s*%/);
const reset = slice.match(/Resets?\s+in\s+([^<\n.]+?)(?:<|\n|$)/i);
if (!pct) return null;
return {
percent: parseFloat(pct[1]),
resetsIn: reset ? reset[1].trim().replace(/\s+/g, " ") : null,
};
}
async function loginWithEmail() {
console.log("[auth] Logging in with email/password...");
authCookies = [];
const getRes = await fetch(SIGNIN_URL, {
headers: { "User-Agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36" },
redirect: "manual",
});
const setCookies = getRes.headers.getSetCookie?.() || [];
authCookies = mergeCookies(authCookies, parseSetCookies(setCookies));
let csrfToken = null;
if (getRes.status >= 200 && getRes.status < 400) {
const html = await getRes.text();
const csrfMatch = html.match(/name="csrf[_-]token"\s+(?:value|content)="([^"]+)"/i) ||
html.match(/<meta\s+name="csrf[_-]token"\s+content="([^"]+)"/i) ||
html.match(/name="_csrf"\s+value="([^"]+)"/i) ||
html.match(/name="csrf"\s+value="([^"]+)"/i);
if (csrfMatch) csrfToken = csrfMatch[1];
}
const formHeaders = {
"Content-Type": "application/x-www-form-urlencoded",
"User-Agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36",
"Referer": SIGNIN_URL,
"Origin": "https://ollama.com",
};
if (authCookies.length > 0) formHeaders["Cookie"] = cookieString(authCookies);
let body = `email=${encodeURIComponent(OLLAMA_EMAIL)}&password=${encodeURIComponent(OLLAMA_PASSWORD)}`;
if (csrfToken) body += `&csrf_token=${encodeURIComponent(csrfToken)}&_csrf=${encodeURIComponent(csrfToken)}`;
const loginRes = await fetch(SIGNIN_URL, {
method: "POST",
headers: formHeaders,
body,
redirect: "manual",
});
const loginCookies = loginRes.headers.getSetCookie?.() || [];
authCookies = mergeCookies(authCookies, parseSetCookies(loginCookies));
const location = loginRes.headers.get("location");
if (loginRes.status === 303 || loginRes.status === 302 || loginRes.status === 301) {
if (location && !location.includes("/signin")) {
console.log("[auth] Login successful (redirected to", location, ")");
saveCookies(authCookies);
return true;
}
}
if (loginRes.status === 200) {
const text = await loginRes.text();
if (text.includes("/settings") || text.includes("dashboard")) {
console.log("[auth] Login appears successful (200 with settings link)");
saveCookies(authCookies);
return true;
}
if (text.includes("invalid") || text.includes("wrong") || text.includes("error")) {
throw new Error("Login failed: invalid credentials");
}
}
if (location && location.includes("/signin")) {
throw new Error("Login failed: redirected back to signin. Check your credentials.");
}
saveCookies(authCookies);
const verifyRes = await fetchWithCookies(SETTINGS_URL);
if (verifyRes.url?.includes("/settings") || verifyRes.status === 200) {
const html = await verifyRes.text();
if (!html.includes("/signin") || html.includes("Session usage") || html.includes("Weekly usage")) {
console.log("[auth] Login verified via settings page");
return true;
}
}
throw new Error("Login failed: could not authenticate with email/password");
}
async function tryWithSavedCookies() {
console.log("[auth] Trying with saved cookies...");
const res = await fetchWithCookies(SETTINGS_URL);
if (res.status !== 200) {
console.log("[auth] Settings page returned", res.status);
return false;
}
const html = await res.text();
if (html.includes("Session usage") || html.includes("Weekly usage")) {
console.log("[auth] Saved cookies are valid!");
return true;
}
if (html.includes("/signin") || html.includes("sign in") || html.length < 2000) {
console.log("[auth] Cookies expired or invalid, need to re-authenticate");
return false;
}
console.log("[auth] Page doesn't contain usage data, might need re-auth");
return false;
}
async function pollUsage() {
let state;
try {
if (!authCookies || authCookies.length === 0) {
if (!loadCookies()) {
const mode = AUTH_MODE || (OLLAMA_PASSWORD ? "email" : "cookies");
if (mode === "email") {
await loginWithEmail();
} else {
console.error("[auth] No cookies file found. Export cookies from your browser first (see README).");
console.error("[auth] Or set OLLAMA_EMAIL + OLLAMA_PASSWORD for email auth.");
state = { needsLogin: true, error: "No authentication available. Export cookies or set credentials.", fetchedAt: new Date().toISOString() };
latestState = state;
return state;
}
}
}
if (!(await tryWithSavedCookies())) {
const mode = AUTH_MODE || (OLLAMA_PASSWORD ? "email" : "cookies");
if (mode === "email") {
await loginWithEmail();
} else {
console.error("[auth] Cookies expired and no email/password configured.");
state = { needsLogin: true, error: "Session expired. Re-export cookies or set OLLAMA_EMAIL/OLLAMA_PASSWORD.", fetchedAt: new Date().toISOString() };
latestState = state;
return state;
}
}
const res = await fetchWithCookies(SETTINGS_URL);
const html = await res.text();
const session = findUsage(html, "Session usage");
const weekly = findUsage(html, "Weekly usage");
if (session || weekly) {
state = { session, weekly, fetchedAt: new Date().toISOString() };
} else {
if (html.includes("/signin") || html.includes('href="/signin"') || html.length < 2000) {
console.log("[auth] Session expired, re-authenticating...");
const mode = AUTH_MODE || (OLLAMA_PASSWORD ? "email" : "cookies");
if (mode === "email") {
await loginWithEmail();
const retryRes = await fetchWithCookies(SETTINGS_URL);
const retryHtml = await retryRes.text();
const retrySession = findUsage(retryHtml, "Session usage");
const retryWeekly = findUsage(retryHtml, "Weekly usage");
if (retrySession || retryWeekly) {
state = { session: retrySession, weekly: retryWeekly, fetchedAt: new Date().toISOString() };
} else {
state = { needsLogin: true, error: "Re-authentication succeeded but couldn't find usage data.", fetchedAt: new Date().toISOString() };
}
} else {
state = { needsLogin: true, error: "Session expired. Re-export cookies or set OLLAMA_EMAIL/OLLAMA_PASSWORD.", fetchedAt: new Date().toISOString() };
}
} else {
const titleMatch = html.match(/<title>([^<]+)<\/title>/i);
state = {
scrapeFailed: true,
fetchedAt: new Date().toISOString(),
debug: {
length: html.length,
title: titleMatch ? titleMatch[1] : null,
hasSessionUsage: html.includes("Session usage"),
hasWeeklyUsage: html.includes("Weekly usage"),
hasCloudUsage: html.includes("Cloud Usage"),
sample: html.slice(0, 600),
},
};
}
}
} catch (err) {
state = { error: String(err), fetchedAt: new Date().toISOString() };
}
latestState = state;
console.log("[poll]", JSON.stringify(state, null, 2));
if (state.session || state.weekly) {
pushToHA(state).catch((err) => console.error("[ha] push failed:", err.message));
}
return state;
}
async function pushToHA(state) {
if (!HA_URL || !HA_TOKEN) return;
const sensors = [];
if (state.session) {
sensors.push({
entity_id: "sensor.ollama_session_usage",
body: stateBody("Ollama Session Usage", "mdi:chart-arc", state.session, state.fetchedAt),
});
}
if (state.weekly) {
sensors.push({
entity_id: "sensor.ollama_weekly_usage",
body: stateBody("Ollama Weekly Usage", "mdi:chart-donut", state.weekly, state.fetchedAt),
});
}
const haHeaders = {
Authorization: `Bearer ${HA_TOKEN}`,
"Content-Type": "application/json",
};
for (const s of sensors) {
const url = `${HA_URL}/api/states/${s.entity_id}`;
console.log(`[ha] POST ${url}`);
const res = await fetch(url, {
method: "POST",
headers: haHeaders,
body: JSON.stringify(s.body),
});
if (res.ok) {
console.log(`[ha] Updated ${s.entity_id}`);
} else {
const text = await res.text();
console.error(`[ha] Failed ${s.entity_id}: HTTP ${res.status} - ${text}`);
if (res.status === 404) {
console.error(`[ha] Hint: 404 usually means the HA URL is wrong or missing /api/states path.`);
console.error(`[ha] Current HA_URL: ${HA_URL}`);
console.error(`[ha] Full URL attempted: ${url}`);
const checkRes = await fetch(`${HA_URL}/api/`, { headers: haHeaders }).catch(() => null);
if (checkRes) {
const checkText = await checkRes.text().catch(() => "");
console.error(`[ha] HA /api/ check: HTTP ${checkRes.status} - ${checkText.slice(0, 200)}`);
}
}
}
}
}
function stateBody(friendlyName, icon, usage, fetchedAt) {
return {
state: usage.percent.toString(),
attributes: {
unit_of_measurement: "%",
state_class: "measurement",
friendly_name: friendlyName,
icon,
resets_in: usage.resetsIn || null,
last_fetched: fetchedAt,
},
};
}
const app = express();
app.set("json spaces", 2);
app.get("/api/usage", (_req, res) => {
if (!latestState) {
return res.json({ status: "no_data", message: "No data yet. Wait for first poll." });
}
res.json(latestState);
});
app.get("/api/usage/refresh", async (_req, res) => {
try {
const state = await pollUsage();
res.json(state);
} catch (err) {
res.status(500).json({ error: String(err) });
}
});
app.get("/api/health", (_req, res) => {
res.json({
status: "running",
authMode: AUTH_MODE || (OLLAMA_PASSWORD ? "email" : "cookies"),
pollInterval: POLL_MINUTES,
haConfigured: !!(HA_URL && HA_TOKEN),
lastFetch: latestState?.fetchedAt || null,
});
});
app.post("/api/cookies", express.json(), (req, res) => {
const cookies = req.body;
if (!Array.isArray(cookies)) {
return res.status(400).json({ error: "Expected JSON array of cookie objects: [{name, value, ...}]" });
}
saveCookies(cookies);
console.log(`[auth] Received ${cookies.length} cookies via API`);
res.json({ ok: true, count: cookies.length });
});
async function main() {
const mode = AUTH_MODE || (OLLAMA_PASSWORD ? "email" : "cookies");
if (mode === "email" && (!OLLAMA_EMAIL || !OLLAMA_PASSWORD)) {
console.error("ERROR: OLLAMA_EMAIL and OLLAMA_PASSWORD required for email auth.");
console.error("For cookie mode: export cookies from your browser (see README) and POST to /api/cookies.");
process.exit(1);
}
console.log(`[start] Auth: ${mode} | Poll: ${POLL_MINUTES} min | API: :${PORT} | HA: ${HA_URL ? "configured" : "off"}`);
loadCookies();
await pollUsage();
setInterval(() => {
pollUsage().catch((err) => console.error("[poll] error:", err.message));
}, POLL_MINUTES * 60 * 1000);
app.listen(PORT, () => {
console.log(`[start] API listening on http://0.0.0.0:${PORT}`);
});
}
main().catch((err) => {
console.error("[fatal]", err);
process.exit(1);
});