cluster/services/consul: only require consul if enabled

cluster/services/consul/default.nix

@@ -11,12 +11,17 @@ in
     };
   });
   services.consul = {
-    nodes.agent = [ "checkmate" "grail" "thunderskin" "VEGAS" "prophet" ];
-    nixos.agent = [
+    nodes = {
+      agent = [ "checkmate" "grail" "thunderskin" "VEGAS" "prophet" ];
+      ready = config.services.consul.nodes.agent;
+    };
+    nixos = {
+      agent = [
         ./agent.nix
         ./remote-api.nix
-      ./ready.nix
       ];
+      ready = ./ready.nix;
+    };
   };
 
   dns.records."consul-remote.internal".consulService = "consul-remote";

cluster/services/consul/ready.nix

@@ -42,8 +42,8 @@ in
 {
   systemd.services.consul-ready = {
     description = "Wait for Consul";
-    requires = [ "consul.service" ];
-    after = [ "consul.service" ];
+    requires = lib.mkIf config.services.consul.enable [ "consul.service" ];
+    after = lib.mkIf config.services.consul.enable [ "consul.service" ];
     serviceConfig = {
       ExecStart = lib.getExe consulReady;
       DynamicUser = true;

packages/checks/ascensions.nix

@@ -1,4 +1,4 @@
-{ testers, nixosModules, consul }:
+{ testers, nixosModules, consul, cluster }:
 
 let
   dataDir = {
@@ -28,6 +28,7 @@ testers.runNixOSTest {
         nixosModules.ascensions
         nixosModules.systemd-extras
         nixosModules.consul-distributed-services
+        cluster.config.services.consul.nixos.ready
       ];
       systemd.services = {
         create-file = {

packages/checks/default.nix

@@ -12,6 +12,7 @@ in
       ascensions = pkgs.callPackage ./ascensions.nix {
         inherit (self'.packages) consul;
         inherit (self) nixosModules;
+        inherit (config) cluster;
       };
 
       garage = pkgs.callPackage ./garage.nix {

packages/checks/garage.nix

@@ -22,6 +22,7 @@ testers.runNixOSTest {
         nixosModules.port-magic
         cluster.config.services.storage.nixos.garage
         cluster.config.services.storage.nixos.garageInternal
+        cluster.config.services.consul.nixos.ready
       ];
       options.services.locksmith.providers = lib.mkOption {
         type = lib.types.raw;