Wire up to build-npms

Former-commit-id: 7e6268c39d

app/base.py

@@ -42,7 +42,7 @@ class base_stack(ABC):
 
 class package_registry_stack(base_stack):
 
-    def ensure_available(self, ctx):
+    def ensure_available(self):
         self.url = "<no registry url set>"
         # Check if we were given an external registry URL
         url_from_environment = os.environ.get("CERC_NPM_REGISTRY_URL")
@@ -53,7 +53,7 @@ class package_registry_stack(base_stack):
         else:
             # Otherwise we expect to use the local package-registry stack
             # First check if the stack is up
-            registry_running = get_stack_status("package-registry")
+            registry_running = get_stack_status(self.config, "package-registry")
             if registry_running:
                 # If it is available, get its mapped port and construct its URL
                 if self.config.debug:
@@ -61,6 +61,8 @@ class package_registry_stack(base_stack):
                 self.url = "http://gitea.local:3000/api/packages/cerc-io/npm/"
             else:
                 # If not, print a message about how to start it and return fail to the caller
+                print("ERROR: The package-registry stack is not running, and no external registry specified with CERC_NPM_REGISTRY_URL")
+                print("ERROR: Start the local package registry with: laconic-so --stack package-registry deploy-system up")
                 return False
         return True