Add MongoDB adapter

.github/workflows/elixir.yml

@@ -15,6 +15,18 @@ permissions:
 jobs:
   test:
     services:
+      mongodb:
+        image: mongo:8.0
+        env:
+          MONGO_INITDB_ROOT_USERNAME: test_user
+          MONGO_INITDB_ROOT_PASSWORD: test_pass
+        ports:
+          - 27017:27017
+        options: >-
+          --health-cmd="mongosh --quiet --eval 'db.adminCommand({ping: 1})'"
+          --health-interval=5s
+          --health-timeout=5s
+          --health-retries=10
       db:
         image: postgres:12
         ports: ["5432:5432"]
@@ -123,6 +135,7 @@ jobs:
 
       - name: Seed adapter test databases
         run: |
+          docker exec -i ${{ job.services.mongodb.id }} mongosh --quiet -u test_user -p test_pass --authenticationDatabase admin < test/support/adapters/mongodb-seed.js
           PGPASSWORD=postgres psql -h localhost -U postgres -d postgres -c "CREATE DATABASE test_db;"
           PGPASSWORD=postgres psql -h localhost -U postgres -d test_db -f test/support/adapters/postgresql-seed.sql
           mysql -h 127.0.0.1 -uroot -proot_pass -e "CREATE DATABASE IF NOT EXISTS test_db;"

README.md

@@ -8,6 +8,7 @@ QueryCanary is a lightweight tool for monitoring your production data using SQL.
 ## What It Does
 
 - ✅ Run SQL checks against your production database
+- ✅ Query MongoDB with JSON find, count, distinct and aggregation commands
 - ✅ Schedule checks with simple choices, local times, or custom cron expressions
 - ✅ Get alerts via email or Slack when values drift or break
 - ✅ See historical trends and chart results over time

assets/js/hooks/sql_editor.js

@@ -2,6 +2,7 @@ import { EditorView, basicSetup } from 'codemirror';
 import { EditorState } from '@codemirror/state';
 import { keymap } from "@codemirror/view"
 import { sql, PostgreSQL, MySQL } from '@codemirror/lang-sql';
+import { json } from '@codemirror/lang-json';
 import { indentWithTab } from "@codemirror/commands";
 import {
     acceptCompletion
@@ -47,7 +48,7 @@ const SQLEditor = {
     }
 
     // Configure SQL extension with properly formatted schema
-    const sqlLang = sql({
+    const sqlLang = this.el.dataset.dialect === 'mongodb' ? json() : sql({
       dialect: dialect,
       schema: schemaData || []
     });

assets/package.json

@@ -2,6 +2,7 @@
     "dependencies": {
         "@codemirror/autocomplete": "^6.18.3",
         "@codemirror/commands": "^6.7.1",
+        "@codemirror/lang-json": "^6.0.2",
         "@codemirror/lang-sql": "^6.8.0",
         "@codemirror/language": "^6.10.6",
         "@codemirror/lint": "^6.8.4",

docker-compose.adapters.yml

@@ -1,5 +1,15 @@
 version: "3.9"
 services:
+  mongodb:
+    image: mongo:8.0
+    environment:
+      MONGO_INITDB_ROOT_USERNAME: test_user
+      MONGO_INITDB_ROOT_PASSWORD: test_pass
+    ports:
+      - "27017:27017"
+    volumes:
+      - ./test/support/adapters/mongodb-seed.js:/docker-entrypoint-initdb.d/seed.js
+
   postgres:
     image: postgres:15
     restart: always