fix: implement http health-check responder for primary routing

litefs.yml

@@ -8,14 +8,14 @@ data:
 # Use Consul for leader election
 lease:
   type: "consul"
-  advertise-url: "http://${ADVERTISE_IP}:20202"
+  advertise-url: "http://${ADVERTISE_IP}:8081"
   consul:
     url: "${CONSUL_URL}"
     key: "litefs/navidrome"
 
 # Internal HTTP API for replication
 http:
-  addr: ":20202"
+  addr: "0.0.0.0:8081"
 
 # The HTTP Proxy routes traffic to handle write-forwarding
 # It listens on 8080 inside the container.
@@ -31,4 +31,9 @@ proxy:
     - "*.jpg"
     - "*.jpeg"
     - "*.gif"
-    - "*.svg"
+    - "*.svg"
+
+# Commands to run only on the primary node. 
+# This serves as a primary-only health check responder.
+exec:
+  - cmd: "while true; do echo -e 'HTTP/1.1 200 OK\r\nContent-Length: 7\r\n\r\nPrimary' | nc -l -p 8082; done"

navidrome-litefs-v2.nomad

@@ -31,6 +31,10 @@ job "navidrome-litefs" {
         static = 20202
         to     = 20202 # Maps host 20202 to container 20202 (LiteFS Replication)
       }
+      port "health" {
+        static = 8082
+        to     = 8082 # Handled by nc loop in litefs.yml exec
+      }
     }
 
     task "navidrome" {
@@ -39,10 +43,8 @@ job "navidrome-litefs" {
       config {
         image      = "gitea.service.dc1.fbleagh.duckdns.org/sstent/navidrome-litefs:latest"
         privileged = true # Still needed for FUSE
-        ports      = ["http", "litefs"]
+        ports      = ["http", "litefs", "health"]
 
-        # Removed network_mode = "host"
-        
         volumes = [
           "/mnt/configs/navidrome_litefs:/var/lib/litefs",
           "/mnt/Public/configs/navidrome:/shared_data",
@@ -56,7 +58,7 @@ job "navidrome-litefs" {
         # LiteFS Config
         CONSUL_URL   = "http://${attr.unique.network.ip-address}:8500"
         ADVERTISE_IP = "${attr.unique.network.ip-address}"
-        PORT         = "8080" # Internal proxy port
+        PORT         = "8080" # Internal proxy port (unused by direct routing but kept for image compat)
 
         # Navidrome Config
         ND_DATAFOLDER = "/local/data"
@@ -89,9 +91,9 @@ job "navidrome-litefs" {
         port = "http"
         
         check {
-          type     = "script"
-          command  = "/usr/local/bin/litefs"
-          args     = ["is-primary"]
+          type     = "http"
+          port     = "health"
+          path     = "/"
           interval = "10s"
           timeout  = "2s"
         }
@@ -103,4 +105,4 @@ job "navidrome-litefs" {
       }
     }
   }
-}
+}