Add server update alerting and fleet client auto-update system (synchronized release lockstep)

src/client_transport.py

@@ -26,6 +26,12 @@ from log_collector import (
     resolve_writable_path,
     collect_system_metrics
 )
+try:
+    from src.version import LOGAR_VERSION
+    from src.client_updater import ClientUpdater
+except ImportError:
+    from version import LOGAR_VERSION
+    from client_updater import ClientUpdater
 
 CONFIG_FILE_NAME = "client_config.json"
 
@@ -75,7 +81,8 @@ def enroll_client_if_needed(
         "client_id": client_id,
         "hostname": hostname,
         "os": os_type,
-        "enrollment_secret": enrollment_secret
+        "enrollment_secret": enrollment_secret,
+        "version": LOGAR_VERSION
     }
     req = urllib.request.Request(
         enroll_endpoint,
@@ -249,7 +256,8 @@ def send_encrypted_logs_over_socket(
                 "server": actual_machine_id,
                 "timestamp": datetime.now(timezone.utc).isoformat(),
                 "logs": logs,
-                "metrics": collect_system_metrics()
+                "metrics": collect_system_metrics(),
+                "version": LOGAR_VERSION
             }
             payload_bytes = json.dumps(payload).encode("utf-8")
             frame = struct.pack(">I", len(payload_bytes)) + payload_bytes
@@ -286,7 +294,8 @@ def send_encrypted_logs_over_socket(
         "server": actual_machine_id,
         "timestamp": datetime.now(timezone.utc).isoformat(),
         "logs": logs,
-        "metrics": collect_system_metrics()
+        "metrics": collect_system_metrics(),
+        "version": LOGAR_VERSION
     }
     payload_json = json.dumps(payload)
     pgp_msg = pgpy.PGPMessage.new(payload_json)
@@ -323,3 +332,9 @@ def send_encrypted_logs_over_socket(
         response = json.loads(resp_bytes.decode("utf-8"))
         print(f"[+] Server response: {response}")
         return response
+
+
+def check_and_apply_auto_update(config: dict, machine_id: str, os_type: Optional[str] = None, auto_apply: bool = True) -> Dict[str, Any]:
+    """Helper to check and apply auto updates for edge forwarders."""
+    updater = ClientUpdater(config=config, os_type=os_type)
+    return updater.check_and_apply_auto_update(client_id=machine_id, auto_apply=auto_apply)