chore: update k8s template (#2786)

# What does this PR do?
- enables auth
- updates to use distribution-starter docker

## Test Plan
bash apply.sh

docs/source/distributions/k8s/apply.sh

@@ -21,6 +21,24 @@ else
   exit 1
 fi
 
+if [ -z "${GITHUB_CLIENT_ID:-}" ]; then
+  echo "ERROR: GITHUB_CLIENT_ID not set. You need it for Github login to work. Refer to https://llama-stack.readthedocs.io/en/latest/deploying/index.html#kubernetes-deployment-guide"
+  exit 1
+fi
+
+if [ -z "${GITHUB_CLIENT_SECRET:-}" ]; then
+  echo "ERROR: GITHUB_CLIENT_SECRET not set. You need it for Github login to work. Refer to https://llama-stack.readthedocs.io/en/latest/deploying/index.html#kubernetes-deployment-guide"
+  exit 1
+fi
+
+if [ -z "${LLAMA_STACK_UI_URL:-}" ]; then
+  echo "ERROR: LLAMA_STACK_UI_URL not set. Should be set to the external URL of the UI (excluding port). You need it for Github login to work. Refer to https://llama-stack.readthedocs.io/en/latest/deploying/index.html#kubernetes-deployment-guide"
+  exit 1
+fi
+
+
+
+
 set -euo pipefail
 set -x
 

docs/source/distributions/k8s/stack-configmap.yaml

@@ -122,6 +122,9 @@ data:
       provider_id: rag-runtime
     server:
       port: 8321
+      auth:
+        provider_config:
+          type: github_token
 kind: ConfigMap
 metadata:
   creationTimestamp: null

docs/source/distributions/k8s/stack-k8s.yaml.template

@@ -27,7 +27,7 @@ spec:
     spec:
       containers:
       - name: llama-stack
-        image: llamastack/distribution-remote-vllm:latest
+        image: llamastack/distribution-starter:latest
         imagePullPolicy: Always # since we have specified latest instead of a version
         env:
         - name: ENABLE_CHROMADB

docs/source/distributions/k8s/stack_run_config.yaml

@@ -119,3 +119,6 @@ tool_groups:
   provider_id: rag-runtime
 server:
   port: 8321
+  auth:
+    provider_config:
+      type: github_token

docs/source/distributions/k8s/ui-k8s.yaml.template

@@ -26,6 +26,12 @@ spec:
           value: "http://llama-stack-service:8321"
         - name: LLAMA_STACK_UI_PORT
           value: "8322"
+        - name: GITHUB_CLIENT_ID
+          value: "${GITHUB_CLIENT_ID}"
+        - name: GITHUB_CLIENT_SECRET
+          value: "${GITHUB_CLIENT_SECRET}"
+        - name: NEXTAUTH_URL
+          value: "${LLAMA_STACK_UI_URL}:8322"
         args:
           - -c
           - |