Resolve current system path at runtime for exec driver jobs.

common/nomad.nix

@@ -34,6 +34,10 @@ in
             path = "/nix/store";
             read_only = true;
           };
+          sw = {
+            path = "/run/current-system/sw";
+            read_only = true;
+          };
         };
       };
 
@@ -84,6 +88,8 @@ in
     nomad
     wander
     damon
+    # for tiddlypwa
+    deno
   ];
 
   networking.firewall = {

services/instasync.hcl

@@ -4,7 +4,7 @@ job "instasync" {
   type = "batch"
 
   periodic {
-    cron = "*/5 * * * *"
+    crons = [ "*/5 * * * *" ]
     prohibit_overlap = true
   }
 
@@ -19,12 +19,17 @@ job "instasync" {
       read_only = true
       source = "nix-store"
     }
+    volume "sw" {
+      type = "host"
+      read_only = true
+      source = "sw"
+    }
 
     task "sync" {
       driver = "exec"
 
       config {
-        command = "/nix/store/k5inwzpp6a0295pd3nfckk9hq8wmifhz-nodejs-20.15.1/bin/node"
+        command = "/sw/bin/node"
         args = ["/code/instasync/sync.js"]
       }
 
@@ -36,6 +41,10 @@ job "instasync" {
         volume = "nix-store"
         destination = "/nix/store"
       }
+      volume_mount {
+        volume = "sw"
+        destination = "/sw"
+      }
 
       resources {
         memory = 100

services/resol-gateway.hcl

@@ -12,6 +12,11 @@ job "resol-gateway" {
       read_only = true
       source = "nix-store"
     }
+    volume "sw" {
+      type = "host"
+      read_only = true
+      source = "sw"
+    }
 
     network {
       port "http" {
@@ -23,7 +28,7 @@ job "resol-gateway" {
       driver = "exec"
 
       config {
-        command = "/nix/store/k5inwzpp6a0295pd3nfckk9hq8wmifhz-nodejs-20.15.1/bin/node"
+        command = "/sw/bin/node"
         args = ["/code/resol-vbus/examples/json-live-data-server/index.js"]
       }
 
@@ -35,6 +40,10 @@ job "resol-gateway" {
         volume = "nix-store"
         destination = "/nix/store"
       }
+      volume_mount {
+        volume = "sw"
+        destination = "/sw"
+      }
 
       service {
         name = "resol-gateway"