cluster/services/patroni: use cluster secrets

cluster/services/patroni/default.nix

@@ -1,13 +1,6 @@
 { config, lib, ... }:
 
 {
-  vars.patroni = {
-    passwords = {
-      PATRONI_REPLICATION_PASSWORD = ./passwords/replication.age;
-      PATRONI_SUPERUSER_PASSWORD = ./passwords/superuser.age;
-      PATRONI_REWIND_PASSWORD = ./passwords/rewind.age;
-    };
-  };
   links = {
     patroni-pg-internal.ipv4 = "0.0.0.0";
     patroni-api.ipv4 = "0.0.0.0";
@@ -25,5 +18,17 @@
       ];
       haproxy = ./haproxy.nix;
     };
+    secrets = let
+      inherit (config.services.patroni) nodes;
+      default = {
+        nodes = nodes.worker;
+        owner = "patroni";
+      };
+    in {
+      PATRONI_REPLICATION_PASSWORD = default;
+      PATRONI_SUPERUSER_PASSWORD = default;
+      PATRONI_REWIND_PASSWORD = default;
+      metricsCredentials.nodes = nodes.worker;
+    };
   };
 }

cluster/services/patroni/metrics.nix

@@ -2,13 +2,12 @@
 
 let
   inherit (cluster.config) links vars;
+  inherit (cluster.config.services.patroni) secrets;
 
   getMeshIp = name: vars.mesh.${name}.meshIp;
 in
 
 {
-  age.secrets.postgres-metrics-db-credentials.file = ./passwords/metrics.age;
-
   services.grafana-agent = {
     settings.integrations.postgres_exporter = {
       enabled = true;
@@ -19,7 +18,7 @@ in
       autodiscover_databases = true;
     };
     credentials = {
-      PG_METRICS_DB_PASSWORD = config.age.secrets.postgres-metrics-db-credentials.path;
+      PG_METRICS_DB_PASSWORD = secrets.metricsCredentials.path;
     };
   };
 }

cluster/services/patroni/worker.nix

@@ -2,6 +2,7 @@
 
 let
   inherit (cluster.config) vars;
+  inherit (cluster.config.services.patroni) secrets;
   inherit (config.networking) hostName;
 
   getMeshIp = name: vars.mesh.${name}.meshIp;
@@ -20,13 +21,6 @@ in
     depot.nixosModules.patroni
   ];
 
-  age.secrets = lib.mapAttrs (_: file: {
-    inherit file;
-    mode = "0400";
-    owner = "patroni";
-    group = "patroni";
-  }) vars.patroni.passwords;
-
   systemd.tmpfiles.rules = [
     "d '${baseDir}' 0700 patroni patroni - -"
     "d '${walDir}' 0700 patroni patroni - -"
@@ -83,6 +77,6 @@ in
         ];
       };
     };
-    environmentFiles = lib.mapAttrs (n: _: config.age.secrets.${n}.path) vars.patroni.passwords;
+    environmentFiles = lib.mapAttrs (_: secret: secret.path) (lib.filterAttrs (name: _: lib.hasPrefix "PATRONI_" name) secrets);
   };
 }