Merge pull request #109 from mendableai/feat/posthog-logging

Add Posthog Logging

.github/workflows/ci.yml

@@ -13,6 +13,8 @@ env:
   HOST: ${{ secrets.HOST }}
   LLAMAPARSE_API_KEY: ${{ secrets.LLAMAPARSE_API_KEY }}
   LOGTAIL_KEY: ${{ secrets.LOGTAIL_KEY }}
+  POSTHOG_API_KEY: ${{ secrets.POSTHOG_API_KEY }}
+  POSTHOG_HOST: ${{ secrets.POSTHOG_HOST }}
   NUM_WORKERS_PER_QUEUE: ${{ secrets.NUM_WORKERS_PER_QUEUE }}
   OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
   PLAYWRIGHT_MICROSERVICE_URL: ${{ secrets.PLAYWRIGHT_MICROSERVICE_URL }}
@@ -38,7 +40,7 @@ jobs:
       - name: Set up Node.js
         uses: actions/setup-node@v3
         with:
-          node-version: '20'
+          node-version: "20"
       - name: Install pnpm
         run: npm install -g pnpm
       - name: Install dependencies
@@ -55,4 +57,4 @@ jobs:
       - name: Run E2E tests
         run: |
           npm run test:prod
-        working-directory: ./apps/api
+        working-directory: ./apps/api

.github/workflows/fly.yml

@@ -13,6 +13,8 @@ env:
   HOST: ${{ secrets.HOST }}
   LLAMAPARSE_API_KEY: ${{ secrets.LLAMAPARSE_API_KEY }}
   LOGTAIL_KEY: ${{ secrets.LOGTAIL_KEY }}
+  POSTHOG_API_KEY: ${{ secrets.POSTHOG_API_KEY }}
+  POSTHOG_HOST: ${{ secrets.POSTHOG_HOST }}
   NUM_WORKERS_PER_QUEUE: ${{ secrets.NUM_WORKERS_PER_QUEUE }}
   OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
   PLAYWRIGHT_MICROSERVICE_URL: ${{ secrets.PLAYWRIGHT_MICROSERVICE_URL }}
@@ -38,7 +40,7 @@ jobs:
       - name: Set up Node.js
         uses: actions/setup-node@v3
         with:
-          node-version: '20'
+          node-version: "20"
       - name: Install pnpm
         run: npm install -g pnpm
       - name: Install dependencies
@@ -68,4 +70,3 @@ jobs:
       - run: flyctl deploy ./apps/api --remote-only -a firecrawl-scraper-js
         env:
           FLY_API_TOKEN: ${{ secrets.FLY_API_TOKEN }}
-

CONTRIBUTING.md

@@ -1,26 +1,26 @@
-# Contributors guide: 
+# Contributors guide:
 
-Welcome to [Firecrawl](https://firecrawl.dev) 🔥! Here are some instructions on how to get the project locally, so you can run it on your own (and contribute) 
+Welcome to [Firecrawl](https://firecrawl.dev) 🔥! Here are some instructions on how to get the project locally, so you can run it on your own (and contribute)
 
 If you're contributing, note that the process is similar to other open source repos i.e. (fork firecrawl, make changes, run tests, PR). If you have any questions, and would like help gettin on board, reach out to hello@mendable.ai for more or submit an issue!
 
-
 ## Running the project locally
 
 First, start by installing dependencies
+
 1. node.js [instructions](https://nodejs.org/en/learn/getting-started/how-to-install-nodejs)
 2. pnpm [instructions](https://pnpm.io/installation)
-3. redis [instructions](https://redis.io/docs/latest/operate/oss_and_stack/install/install-redis/) 
+3. redis [instructions](https://redis.io/docs/latest/operate/oss_and_stack/install/install-redis/)
 
-
-Set environment variables in a .env  in the /apps/api/ directoryyou can copy over the template in .env.example.
+Set environment variables in a .env in the /apps/api/ directoryyou can copy over the template in .env.example.
 
 To start, we wont set up authentication, or any optional sub services (pdf parsing, JS blocking support, AI features )
 
 .env:
+
 ```
 # ===== Required ENVS ======
-NUM_WORKERS_PER_QUEUE=8 
+NUM_WORKERS_PER_QUEUE=8
 PORT=3002
 HOST=0.0.0.0
 REDIS_URL=redis://localhost:6379
@@ -31,8 +31,8 @@ USE_DB_AUTHENTICATION=false
 # ===== Optional ENVS ======
 
 # Supabase Setup (used to support DB authentication, advanced logging, etc.)
-SUPABASE_ANON_TOKEN= 
-SUPABASE_URL= 
+SUPABASE_ANON_TOKEN=
+SUPABASE_URL=
 SUPABASE_SERVICE_TOKEN=
 
 # Other Optionals
@@ -43,6 +43,11 @@ BULL_AUTH_KEY= #
 LOGTAIL_KEY= # Use if you're configuring basic logging with logtail
 PLAYWRIGHT_MICROSERVICE_URL=  # set if you'd like to run a playwright fallback
 LLAMAPARSE_API_KEY= #Set if you have a llamaparse key you'd like to use to parse pdfs
+SERPER_API_KEY= #Set if you have a serper key you'd like to use as a search api
+SLACK_WEBHOOK_URL= # set if you'd like to send slack server health status messages
+POSTHOG_API_KEY= # set if you'd like to send posthog events like job logs
+POSTHOG_HOST= # set if you'd like to send posthog events like job logs
+
 
 ```
 
@@ -56,7 +61,7 @@ pnpm install
 
 ### Running the project
 
-You're going to need to open 3 terminals. 
+You're going to need to open 3 terminals.
 
 ### Terminal 1 - setting up redis
 
@@ -69,6 +74,7 @@ redis-server
 ### Terminal 2 - setting up workers
 
 Now, navigate to the apps/api/ directory and run:
+
 ```bash
 pnpm run workers
 ```
@@ -77,7 +83,6 @@ This will start the workers who are responsible for processing crawl jobs.
 
 ### Terminal 3 - setting up the main server
 
-
 To do this, navigate to the apps/api/ directory and run if you don’t have this already, install pnpm here: https://pnpm.io/installation
 Next, run your server with:
 
@@ -91,24 +96,22 @@ Alright: now let’s send our first request.
 
 ```curl
 curl -X GET http://localhost:3002/test
-``` 
-This should return the response Hello, world!
+```
 
+This should return the response Hello, world!
 
-If you’d like to test the crawl endpoint, you can run this 
+If you’d like to test the crawl endpoint, you can run this
 
 ```curl
 curl -X POST http://localhost:3002/v0/crawl \
     -H 'Content-Type: application/json' \
     -d '{
       "url": "https://mendable.ai"
     }'
-```   
-    
+```
+
 ## Tests:
 
 The best way to do this is run the test with `npm run test:local-no-auth` if you'd like to run the tests without authentication.
 
 If you'd like to run the tests with authentication, run `npm run test:prod`
-
-

apps/api/.env.example

@@ -24,3 +24,6 @@ PLAYWRIGHT_MICROSERVICE_URL=  # set if you'd like to run a playwright fallback
 LLAMAPARSE_API_KEY= #Set if you have a llamaparse key you'd like to use to parse pdfs
 SERPER_API_KEY= #Set if you have a serper key you'd like to use as a search api
 SLACK_WEBHOOK_URL= # set if you'd like to send slack server health status messages
+POSTHOG_API_KEY= # set if you'd like to send posthog events like job logs
+POSTHOG_HOST= # set if you'd like to send posthog events like job logs
+

apps/api/package.json

@@ -82,6 +82,7 @@
     "openai": "^4.28.4",
     "pdf-parse": "^1.1.1",
     "pos": "^0.4.2",
+    "posthog-node": "^4.0.1",
     "promptable": "^0.0.9",
     "puppeteer": "^22.6.3",
     "rate-limiter-flexible": "^2.4.2",

apps/api/src/__tests__/e2e_noAuth/index.test.ts

@@ -25,6 +25,8 @@ describe("E2E Tests for API Routes with No Authentication", () => {
     process.env.PLAYWRIGHT_MICROSERVICE_URL = "";
     process.env.LLAMAPARSE_API_KEY = "";
     process.env.TEST_API_KEY = "";
+    process.env.POSTHOG_API_KEY = "";
+    process.env.POSTHOG_HOST = "";
   });
 
   // restore original process.env

apps/api/src/services/logging/log_job.ts

@@ -1,6 +1,7 @@
 import { ExtractorOptions } from './../../lib/entities';
 import { supabase_service } from "../supabase";
 import { FirecrawlJob } from "../../types";
+import { posthog } from "../posthog";
 import "dotenv/config";
 
 export async function logJob(job: FirecrawlJob) {
@@ -9,7 +10,6 @@ export async function logJob(job: FirecrawlJob) {
     if (process.env.ENV !== "production") {
       return;
     }
-
 
     const { data, error } = await supabase_service
       .from("firecrawl_jobs")
@@ -30,6 +30,27 @@ export async function logJob(job: FirecrawlJob) {
           num_tokens: job.num_tokens
         },
       ]);
+
+      if (process.env.POSTHOG_API_KEY) {
+        posthog.capture({
+          distinctId: job.team_id === "preview" ? null : job.team_id,
+          event: "job-logged",
+          properties: {
+            success: job.success,
+            message: job.message,
+            num_docs: job.num_docs,
+            time_taken: job.time_taken,
+            team_id: job.team_id === "preview" ? null : job.team_id,
+            mode: job.mode,
+            url: job.url,
+            crawler_options: job.crawlerOptions,
+            page_options: job.pageOptions,
+            origin: job.origin,
+            extractor_options: job.extractor_options,
+            num_tokens: job.num_tokens
+          },
+        });
+      }
     if (error) {
       console.error("Error logging job:\n", error);
     }

apps/api/src/services/posthog.ts

@@ -0,0 +1,26 @@
+import { PostHog } from 'posthog-node';
+import "dotenv/config";
+
+export default function PostHogClient() {
+  const posthogClient = new PostHog(process.env.POSTHOG_API_KEY, {
+    host: process.env.POSTHOG_HOST,
+    flushAt: 1,
+    flushInterval: 0
+  });
+  return posthogClient;
+}
+
+class MockPostHog {
+  capture() {}
+}
+
+// Using the actual PostHog class if POSTHOG_API_KEY exists, otherwise using the mock class
+// Additionally, print a warning to the terminal if POSTHOG_API_KEY is not provided
+export const posthog = process.env.POSTHOG_API_KEY
+  ? PostHogClient()
+  : (() => {
+      console.warn(
+        "POSTHOG_API_KEY is not provided - your events will not be logged. Using MockPostHog as a fallback. See posthog.ts for more."
+      );
+      return new MockPostHog();
+    })();