Add comments and debug info

Author: sd109

.github/workflows/test-pr.yml

@@ -69,12 +69,17 @@ jobs:
 
       - name: Run Gradio app tests
         run: |
-          # Set up Ollama backend
+          echo "Installing ollama..."
           curl -fsSL https://ollama.com/install.sh | sh
+
           # Give ollama systemd unit time to start
           sleep 5
-          ollama pull smollm2:135m
-          # Run the Gradio tests against Ollama
+
+          MODEL=smollm2:135m
+          echo "Pulling model $MODEL..."
+          ollama pull $MODEL
+
+          echo "Running Gradio test script"
           ./test-images.sh $(git rev-parse --short ${{ github.sha }})
         working-directory: web-apps
 

web-apps/test-images.sh

@@ -1,6 +1,12 @@
 #!/bin/bash
 set -e
 
+# NOTE(sd109): This script relies on docker host networking in order
+# to communicate from Gradio to ollama running on localhost. This means
+# it does not work on MacOS since docker host networking does not work.
+# It is intended to be run on a Linux machine and is primarily used in
+# GitHub runners as part of CI testing.
+
 IMAGE_TAG="${1:-latest}"
 echo Testing image tag $IMAGE_TAG