fix(databricks): properly verify credentials

Author: pregnantboy

packages/backend/.env-example

@@ -74,4 +74,4 @@ GATHERSG_PUBLIC_KEY=gathersg-public-key
 # DATABRICKS
 DATABRICKS_SERVER_HOSTNAME=...
 DATABRICKS_HTTP_PATH=...
-DATABRICKS_CATALOG=...
+DATABRICKS_CATALOG=...

packages/backend/src/apps/databricks/auth/verify-credentials.ts

@@ -3,19 +3,33 @@ import { IGlobalVariable } from '@plumber/types'
 import { ZodError } from 'zod'
 import { fromZodError } from 'zod-validation-error'
 
+import { databricksConfig } from '@/config/app-env-vars/databricks'
+import logger from '@/helpers/logger'
+
 import { validateAuthData } from './auth-data'
 import { createClient } from './create-client'
 
 const verifyCredentials = async ($: IGlobalVariable) => {
   try {
     validateAuthData($)
     const client = await createClient($)
+    const session = await client.openSession({
+      initialCatalog: databricksConfig.catalog,
+    })
+    await session.close()
     await client.close()
   } catch (error) {
     if (error instanceof ZodError) {
       // Auth data validation failed: throws message from first error
       throw new Error(fromZodError(error).details[0].message)
     }
+    if (error.response?.status === 401) {
+      logger.info({
+        event: 'databricks-verify-credentials',
+        error: error,
+      })
+      throw new Error('Invalid credentials')
+    }
     throw error
   }
 }