Add docker compose infra, update deps, autoinfer full metrics url, prom push gateway support

Author: あで

.github/workflows/test.yml

@@ -0,0 +1,20 @@
+name: Test action
+
+on:
+  pull_request:
+    branches: ["*"]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: isbang/[email protected]
+      - name: Build
+        run: npm run tsc
+      - name: Test prometheus push gateway
+        run: GITHUB_WORKFLOW=workflow GITHUB_JOB=job INPUT_PUSHGATEWAY='http://localhost:9091' INPUT_GATEWAYTYPE=prometheus node dist/test.js
+      - name: Test zapier push gateway
+        run: GITHUB_WORKFLOW=workflow GITHUB_JOB=job INPUT_PUSHGATEWAY='http://localhost' node dist/test.js
+      - name: Test gravel push gateway
+        run: GITHUB_WORKFLOW=workflow GITHUB_JOB=job INPUT_PUSHGATEWAY='http://localhost:4278' INPUT_GATEWAYTYPE=gravel node dist/test.js

action.yml

@@ -7,11 +7,14 @@ branding:
 inputs:
   pushgateway:
     required: true
-    description: "Full URL to the aggregation gateway (like zapier's), including the /metrics suffix"
+    description: "Full URL to the aggregation gateway, optionally including the /metrics suffix"
+  gatewaytype:
+    required: false
+    description: "Type of the aggregation gateway, one of 'prometheus', 'gravel', or 'zapier'. Uses 'zapier' by default"
   buckets:
     required: false
     description: "Comma separated list of buckets for duration histogram, with or without the brackets []"
 runs:
-  using: "node16"
+  using: "node20"
   main: "main/index.js"
   post: "post/index.js"

docker-compose.yml

@@ -0,0 +1,17 @@
+version: "3.8"
+services:
+  gravel:
+    container_name: gravel
+    image: sinkingpoint/prometheus-gravel-gateway
+    ports:
+      - "4278:4278"
+  prom:
+    container_name: prom
+    image: prom/pushgateway
+    ports:
+      - "9091:9091"
+  zapier:
+    container_name: zapier
+    image: ghcr.io/zapier/prom-aggregation-gateway:latest
+    ports:
+      - "80:80"

src/environment.d.ts env.d.ts

@@ -3,9 +3,10 @@ declare global {
     interface ProcessEnv {
       GITHUB_WORKFLOW: string;
       GITHUB_JOB: string;
-      INPUT_PUSHGATEWAY: string;
-      INPUT_BUCKETS?: string;
       GITHUB_STATE: string;
+      INPUT_BUCKETS?: string;
+      INPUT_PUSHGATEWAY: string;
+      INPUT_GATEWAYTYPE?: string;
     }
   }
 }