Add separate VLM end to end test

Author: sd109

charts/azimuth-llm/templates/test/end-to-end.yml

@@ -10,10 +10,7 @@ spec:
     spec:
       containers:
       - name: gradio-client-test
-        {{- /*
-          Use the chat image since we know this contains the gradio_client package
-        */}}
-        image: {{ printf "ghcr.io/stackhpc/azimuth-llm-chat-ui:%s" (default .Chart.AppVersion .Values.ui.image.tag) }}
+        image: {{ printf "%s:%s" .Values.ui.image.repository (default .Chart.AppVersion .Values.ui.image.tag) }}
         imagePullPolicy: IfNotPresent
         command:
         - python

web-apps/image-analysis/gradio-client-test.py

@@ -0,0 +1,25 @@
+import sys
+import time
+
+from gradio_client import Client
+
+gradio_host = sys.argv[1]
+
+retries = 60
+for n in range(1, retries+1):
+    try:
+        client = Client(gradio_host)
+        result = client.predict(
+    		image_url="https://miro.medium.com/v2/resize:fit:1100/format:webp/1*xDgN0L2RfkS8Kc7uTwsRqw.jpeg",
+    		prompt="Hi",
+    		api_name="/predict"
+        )
+        print(result)
+        break
+    except Exception as err:
+        msg = f"Attempt {n} / {retries} encounter error: {err}"
+        if n < retries:
+            print(msg, "- waiting 10 seconds before retrying")
+            time.sleep(10)
+        else:
+            print(msg, "- no more retries left")