Ability for the SDK API to handle being installed in a KOTS airgap scenario (#110)

* Ability for the SDK API to handle being installed in a KOTS airgap scenario

Author: sgalsaleh

.github/actions/validate-endpoints/action.yml

@@ -114,7 +114,6 @@ runs:
         fi
 
     - name: Validate /app/updates endpoint
-      if: ${{ inputs.is-airgap == 'false' }}
       shell: bash
       run: |
         updatesLength=$(curl -s --fail --show-error localhost:8888/api/v1/app/updates | jq '. | length' | tr -d '\n')

.github/workflows/main.yaml

@@ -92,6 +92,13 @@ jobs:
             exit 1
           fi
 
+          output=$(helm template oci://ttl.sh/automated-${{ github.run_id }}/replicated --version 0.0.0 --set isAirgap=true)
+
+          if ! echo $output | grep -q 'name: DISABLE_OUTBOUND_CONNECTIONS value: "true"'; then
+            printf "'DISABLE_OUTBOUND_CONNECTIONS' env var should be set to to 'true' in airgap mode:\n\n%s\n\n" "$output"
+            exit 1
+          fi
+
           output=$(helm template oci://ttl.sh/automated-${{ github.run_id }}/replicated --version 0.0.0 --set serviceAccountName=foo)
 
           if echo $output | grep -q 'kind: ServiceAccount'; then

pkg/handlers/app.go

@@ -126,6 +126,11 @@ func GetCurrentAppInfo(w http.ResponseWriter, r *http.Request) {
 }
 
 func GetAppUpdates(w http.ResponseWriter, r *http.Request) {
+	if util.IsAirgap() {
+		JSON(w, http.StatusOK, []upstreamtypes.ChannelRelease{})
+		return
+	}
+
 	clientset, err := k8sutil.GetClientset()
 	if err != nil {
 		logger.Error(errors.Wrap(err, "failed to get clientset"))