Call from base stack class

app/base.py

@@ -15,6 +15,8 @@
 
 import os
 from abc import ABC, abstractmethod
+from .deploy_system import get_stack_status
+
 
 def get_stack(config, stack):
     if stack == "package-registry":
@@ -40,7 +42,7 @@ class base_stack(ABC):
 
 class package_registry_stack(base_stack):
 
-    def ensure_available(self):
+    def ensure_available(self, ctx):
         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")
@@ -51,10 +53,15 @@ class package_registry_stack(base_stack):
         else:
             # Otherwise we expect to use the local package-registry stack
             # First check if the stack is up
-            # If not, print a message about how to start it and return fail to the caller
-            return False
-            # If it is available, get its mapped port and construct its URL
-            self.url = "http://gitea.local:3000/api/packages/cerc-io/npm/"
+            registry_running = get_stack_status("package-registry")
+            if registry_running:
+                # If it is available, get its mapped port and construct its URL
+                if self.config.debug:
+                    print("Found local package registry stack is up")
+                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
+                return False
         return True
 
     def get_url(self):
@@ -63,9 +70,5 @@ class package_registry_stack(base_stack):
 # Temporary helper functions while we figure out a good interface to the stack deploy code
 
 
-def _is_stack_running(stack):
-    return True
-
-
 def _get_stack_mapped_port(stack, service, exposed_port):
     return 3000

app/deploy_system.py

@@ -16,6 +16,7 @@
 # Deploys the system components using docker-compose
 
 import hashlib
+import copy
 import os
 import sys
 from decouple import config
@@ -117,8 +118,25 @@ def command(ctx, include, exclude, cluster, command, extra_args):
             docker.compose.logs()
 
 
-def get_stack_status(stack):
-    pass
+def get_stack_status(ctx, stack):
+
+    ctx_copy = copy.copy(ctx)
+    ctx_copy.stack = stack
+
+    cluster_context = _make_cluster_context(ctx_copy, [], [], None)
+    docker = DockerClient(compose_files=cluster_context.compose_files, compose_project_name=cluster_context.cluster)
+    # TODO: refactor to avoid duplicating this code above
+    if ctx.verbose:
+        print("Running compose ps")
+    container_list = docker.compose.ps()
+    if len(container_list) > 0:
+        if ctx.debug:
+            print(f"Container list from compose ps: {container_list}")
+        return True
+    else:
+        if ctx.debug:
+            print("No containers found from compose ps")
+        False
 
 
 def _make_cluster_context(ctx, include, exclude, cluster):