Merge branch 'main' of github.com:acedanger/shell

docker-manager/docker-manager.py

@@ -9,7 +9,10 @@ Usage Examples:
     1. List all running containers:
        $ dm list
 
-    2. Update a specific project (pulls latest images and recreates containers):
+    2. List only stacks with updates available:
+       $ dm list --update
+
+    3. Update a specific project (pulls latest images and recreates containers):
        $ dm update media-server
 
     3. Stop all projects (with confirmation prompt):
@@ -171,7 +174,7 @@ def run_command(cmd, cwd, capture_output=False):
         return None
 
 
-def list_containers(projects):
+def list_containers(projects, show_updates_only=False):
     """List running containers for all projects."""
     table = Table(title="Docker Containers", box=box.ROUNDED)
     table.add_column("Project", style="cyan", no_wrap=True)
@@ -186,6 +189,11 @@ def list_containers(projects):
 
     found_any = False
     for name, path in sorted(projects.items()):
+
+        # Buffer for project rows
+        project_rows = []
+        project_has_update = False
+
         # Get running container names
         cmd = ["docker", "compose", "ps", "--format", "json"]
         res = run_command(cmd, path, capture_output=True)
@@ -204,8 +212,6 @@ def list_containers(projects):
                     if not c_name:
                         continue
 
-                    found_any = True
-
                     # Get version and update status
                     version = "unknown"
                     update_status = ""
@@ -214,7 +220,7 @@ def list_containers(projects):
                     norm_image = image
                     tag = "latest"
 
-                    # Remove tag if present (heuristic: split on last colon, if right side has no slashes)
+                    # Remove tag if present
                     if ":" in norm_image:
                         base, sep, t = norm_image.rpartition(":")
                         if sep and "/" not in t:
@@ -231,27 +237,21 @@ def list_containers(projects):
                         if norm_image in diun_info:
                             image_tags = diun_info[norm_image]
 
-                            # Only proceed if we have info for this specific tag
                             if tag in image_tags:
                                 info = image_tags[tag]
-                                # Try to get version from Diun labels first
                                 version = get_image_version(info.get("labels", {}))
 
-                                # Check for updates
-                                # First get the Image ID of the running container
                                 inspect_id_cmd = ["docker", "inspect", c_name, "--format", "{{.Image}}"]
                                 inspect_id_res = run_command(inspect_id_cmd, path, capture_output=True)
 
                                 if inspect_id_res and inspect_id_res.returncode == 0:
                                     image_id = inspect_id_res.stdout.strip()
 
-                                    # Now inspect the Image ID to get RepoDigests
                                     inspect_digest_cmd = ["docker", "inspect", image_id, "--format", "{{if .RepoDigests}}{{index .RepoDigests 0}}{{end}}"]
                                     inspect_digest_res = run_command(inspect_digest_cmd, path, capture_output=True)
 
                                     if inspect_digest_res and inspect_digest_res.returncode == 0:
                                         running_digest_full = inspect_digest_res.stdout.strip()
-                                        # running_digest is like name@sha256:hash
                                         if "@" in running_digest_full:
                                             running_digest = running_digest_full.split("@")[1]
                                             latest_digest = info.get("digest", "")
@@ -259,6 +259,7 @@ def list_containers(projects):
                                             if latest_digest:
                                                 if running_digest != latest_digest:
                                                     update_status = "[bold red]Update Available[/bold red]"
+                                                    project_has_update = True
                                                 else:
                                                     update_status = "[green]Up to Date[/green]"
                             else:
@@ -266,7 +267,6 @@ def list_containers(projects):
                         else:
                             update_status = "[dim]Not Monitored[/dim]"
 
-                    # If version is still unknown, try to get from running container labels
                     if version in ("latest", "unknown"):
                         inspect_cmd = ["docker", "inspect", c_name, "--format", "{{json .Config.Labels}}"]
                         inspect_res = run_command(inspect_cmd, path, capture_output=True)
@@ -277,13 +277,23 @@ def list_containers(projects):
                             except Exception:
                                 pass
 
-                    table.add_row(name, c_name, state, image, version, update_status)
+                    project_rows.append((name, c_name, state, image, version, update_status))
 
                 except json.JSONDecodeError:
                     pass
 
+        # If not hiding, OR if update, add to table
+        if not show_updates_only or project_has_update:
+            if project_rows:
+                found_any = True
+                for row in project_rows:
+                    table.add_row(*row)
+
     if found_any:
         console.print(table)
+    else:
+        if show_updates_only:
+            console.print("[green]No updates available for running containers.[/green]")
         else:
             console.print("[yellow]No running containers found in managed projects.[/yellow]")
 
@@ -544,7 +554,8 @@ def main():
         dest="command", help="Command to execute")
 
     # List command configuration
-    subparsers.add_parser("list", help="List running containers")
+    list_parser = subparsers.add_parser("list", help="List running containers")
+    list_parser.add_argument("--update", action="store_true", help="Show only stacks that have updates available")
 
     # Describe command configuration
     describe_parser = subparsers.add_parser("describe", help="Show details of a project's containers")
@@ -596,7 +607,7 @@ def main():
 
     # Dispatch commands
     if args.command == "list":
-        list_containers(projects)
+        list_containers(projects, show_updates_only=args.update)
     elif args.command == "describe":
         describe_project(projects, args.project)
     elif args.command == "volumes":