Discover actual runner containers dynamically

scripts/gitea-actions/discover-runners.xsh

@@ -41,6 +41,17 @@ def first_existing_compose(host, root):
     return None
 
 
+def list_runner_containers(host):
+    """Return actual runner container names present on a host."""
+    rc, text = ssh(
+        host,
+        "docker ps -a --format '{{.Names}}' | grep '^gitea-act-runner-' || true",
+    )
+    if rc != 0 or not text:
+        return []
+    return [line.strip() for line in text.splitlines() if line.strip()]
+
+
 report_dir = f"/tmp/runner-discovery-{datetime.now().strftime('%Y%m%d_%H%M%S')}"
 mkdir -p @(report_dir)
 report_path = os.path.join(report_dir, "discovery-report.txt")
@@ -84,31 +95,29 @@ for host, root in HOSTS:
     _, size_text = ssh(host, "docker ps -a --size --format 'table {{.Names}}\t{{.Size}}'")
     data["container_sizes"] = size_text
 
-    # Explicit runner names avoid label-filter parsing issues seen previously.
-    rc1, inspect_1 = ssh(
-        host,
-        "docker inspect gitea-act-runner-1 --format 'runner1 restart={{.RestartCount}} oom={{.State.OOMKilled}} status={{.State.Status}} started={{.State.StartedAt}} image={{.Config.Image}}'",
-    )
-    rc2, inspect_2 = ssh(
-        host,
-        "docker inspect gitea-act-runner-2 --format 'runner2 restart={{.RestartCount}} oom={{.State.OOMKilled}} status={{.State.Status}} started={{.State.StartedAt}} image={{.Config.Image}}'",
-    )
-    if rc1 != 0:
-        inspect_1 = "RUNNER1_NOT_FOUND"
-    if rc2 != 0:
-        inspect_2 = "RUNNER2_NOT_FOUND"
-    data["runner_inspect"] = (inspect_1 + "\n" + inspect_2).strip()
+    runner_containers = list_runner_containers(host)
+    data["runner_containers"] = runner_containers
 
-    log1_rc, log1 = ssh(host, "docker logs --tail=40 gitea-act-runner-1")
-    log2_rc, log2 = ssh(host, "docker logs --tail=40 gitea-act-runner-2")
-    if log1_rc != 0:
-        log1 = "RUNNER1_LOGS_UNAVAILABLE"
-    if log2_rc != 0:
-        log2 = "RUNNER2_LOGS_UNAVAILABLE"
-    data["runner_logs"] = {
-        "gitea-act-runner-1": log1,
-        "gitea-act-runner-2": log2,
-    }
+    inspect_lines = []
+    runner_logs = {}
+    if not runner_containers:
+        inspect_lines.append("NO_RUNNER_CONTAINERS_FOUND")
+    for container in runner_containers:
+        rc, inspect_text = ssh(
+            host,
+            f"docker inspect {container} --format 'container={container} restart={{{{.RestartCount}}}} oom={{{{.State.OOMKilled}}}} status={{{{.State.Status}}}} started={{{{.State.StartedAt}}}} image={{{{.Config.Image}}}}'",
+        )
+        if rc != 0:
+            inspect_text = f"{container}_INSPECT_UNAVAILABLE"
+        inspect_lines.append(inspect_text)
+
+        log_rc, log_text = ssh(host, f"docker logs --tail=40 {container}")
+        if log_rc != 0:
+            log_text = f"{container}_LOGS_UNAVAILABLE"
+        runner_logs[container] = log_text
+
+    data["runner_inspect"] = "\n".join(inspect_lines).strip()
+    data["runner_logs"] = runner_logs
 
     results[host] = data
     print("Collected")
@@ -134,8 +143,10 @@ with open(report_path, "w", encoding="utf-8") as handle:
         write_section(handle, "7. MEMORY STATUS", data.get("memory_status", ""))
         write_section(handle, "8. CONTAINER SIZES", data.get("container_sizes", ""))
         write_section(handle, "9. RUNNER INSPECT", data.get("runner_inspect", ""))
-        write_section(handle, "10. RUNNER LOGS (1)", data.get("runner_logs", {}).get("gitea-act-runner-1", ""))
-        write_section(handle, "11. RUNNER LOGS (2)", data.get("runner_logs", {}).get("gitea-act-runner-2", ""))
+        for index, container in enumerate(data.get("runner_containers", []), start=10):
+            write_section(handle, f"{index}. RUNNER LOGS ({container})", data.get("runner_logs", {}).get(container, ""))
+        if not data.get("runner_containers"):
+            write_section(handle, "10. RUNNER LOGS", "NO_RUNNER_CONTAINERS_FOUND")
 
 with open(summary_path, "w", encoding="utf-8") as handle:
     handle.write("# Infrastructure Discovery Summary\n\n")
@@ -144,12 +155,7 @@ with open(summary_path, "w", encoding="utf-8") as handle:
     handle.write("|------|------|---------|-----------------|\n")
 
     for host, data in results.items():
-        visible = 0
-        ps = data.get("docker_ps", "")
-        if "gitea-act-runner-1" in ps:
-            visible += 1
-        if "gitea-act-runner-2" in ps:
-            visible += 1
+        visible = len(data.get("runner_containers", []))
         handle.write(f"| {host} | {data.get('path_exists', 'N/A')} | {data.get('compose_file', 'N/A')} | {visible} |\n")
 
 print("\nDiscovery complete")