Update the testing grid to separate public and private keys

morph/grid/testing/config.json

 { "domain": "privatestorage-staging.com"
 , "publicStoragePort": 8898
-, "ristrettoSigningKeyPath": "./secrets/ristretto.signing-key"
-, "stripeSecretKeyPath": "./secrets/stripe.secret"
-, "monitoringvpnKeyDir": "./secrets/monitoringvpn"
+, "privateKeyPath": "./private-keys"
+, "publicKeyPath": "./public-keys"
 , "monitoringvpnEndpoint": "monitoring.privatestorage-staging.com:51820"
 , "passValue": 1000000
 , "issuerDomains": [

morph/grid/testing/grid.nix

@@ -5,10 +5,12 @@ let
   gridlib = import ../../lib;
   rawConfig = pkgs.lib.trivial.importJSON ./config.json;
   config = rawConfig // {
-    sshUsers = import ./secrets/users.nix;
+    sshUsers = import ./public-keys/users.nix;
 
-    # Get absolute vpn key directory path, as a string:
-    monitoringvpnKeyDir = toString ./. + "/${rawConfig.monitoringvpnKeyDir}";
+    # Convert relative paths to absolute so library code can resolve names
+    # correctly.
+    publicKeyPath = toString ./. + "/${rawConfig.publicKeyPath}";
+    privateKeyPath = toString ./. + "/${rawConfig.privateKeyPath}";
   };
 
   payments = {
@@ -38,7 +40,7 @@ let
       gridlib.hardware-aws
       (gridlib.customize-monitoring {
         inherit hostsMap vpnClientIPs nodeExporterTargets;
-        inherit (config) domain monitoringvpnKeyDir;
+        inherit (config) domain publicKeyPath privateKeyPath;
         monitoringvpnIPv4 = "172.23.23.1";
         stateVersion = "19.09";
       })