stack_orchestrator/build/fetch_containers.py

@@ -110,8 +110,11 @@ def _filter_for_platform(container: str,
 def _get_latest_image(container: str, registry_info: RegistryInfo):
     all_tags = _get_tags_for_container(container, registry_info)
     tags_for_platform = _filter_for_platform(container, registry_info, all_tags)
-    latest_tag = _find_latest(tags_for_platform)
-    return f"{container}:{latest_tag}"
+    if len(tags_for_platform) > 0:
+        latest_tag = _find_latest(tags_for_platform)
+        return f"{container}:{latest_tag}"
+    else:
+        return None
 
 
 def _fetch_image(tag: str, registry_info: RegistryInfo):
@@ -148,6 +151,7 @@ def command(ctx, include, exclude, force_local_overwrite, image_registry, regist
     # Generate list of target containers
     stack = ctx.obj.stack
     containers_in_scope = get_containers_in_scope(stack)
+    all_containers_found = True
     for container in containers_in_scope:
         local_tag = _local_tag_for(container)
         if include_exclude_check(container, include, exclude):
@@ -156,6 +160,10 @@ def command(ctx, include, exclude, force_local_overwrite, image_registry, regist
             # For each container, attempt to find the latest of a set of
             # images with the correct name and platform in the specified registry
             image_to_fetch = _get_latest_image(container, registry_info)
+            if not image_to_fetch:
+                print(f"Warning: no image found to fetch for container {container}")
+                all_containers_found = False
+                continue
             if opts.o.debug:
                 print(f"Fetching: {image_to_fetch}")
             _fetch_image(image_to_fetch, registry_info)
@@ -173,8 +181,11 @@ def command(ctx, include, exclude, force_local_overwrite, image_registry, regist
                     if not opts.o.quiet:
                         print(f"Skipping local tagging for this image: {container} because that would "
                               "overwrite an existing :local tagged image, use --force-local-overwrite to do so.")
+                    continue
             # Tag the fetched image with the :local tag
             _add_local_tag(image_to_fetch, image_registry, local_tag)
         else:
             if opts.o.verbose:
                 print(f"Excluding: {container}")
+    if not all_containers_found:
+        print("Warning: couldn't find usable images for one or more containers, this stack will not deploy")