nixosTests.sourcehut: factor-out node configuration

nixos/tests/sourcehut/nodes/common.nix

···
+{ config, pkgs, nodes, ... }:
+let
+  domain = config.networking.domain;
+
+  # Note that wildcard certificates just under the TLD (eg. *.com)
+  # would be rejected by clients like curl.
+  tls-cert = pkgs.runCommand "selfSignedCerts" { buildInputs = [ pkgs.openssl ]; } ''
+    openssl req -x509 -newkey rsa:4096 -keyout key.pem -out cert.pem -nodes -days 36500 \
+      -subj '/CN=${domain}' -extensions v3_req \
+      -addext 'subjectAltName = DNS:*.${domain}'
+    install -D -t $out key.pem cert.pem
+  '';
+in
+{
+  # buildsrht needs space
+  virtualisation.diskSize = 4 * 1024;
+  virtualisation.memorySize = 2 * 1024;
+  networking.enableIPv6 = false;
+
+  services.sourcehut = {
+    enable = true;
+    nginx.enable = true;
+    nginx.virtualHost = {
+      forceSSL = true;
+      sslCertificate = "${tls-cert}/cert.pem";
+      sslCertificateKey = "${tls-cert}/key.pem";
+    };
+    postgresql.enable = true;
+    redis.enable = true;
+
+    meta.enable = true;
+
+    settings."sr.ht" = {
+      environment = "production";
+      global-domain = config.networking.domain;
+      service-key = pkgs.writeText "service-key" "8b327279b77e32a3620e2fc9aabce491cc46e7d821fd6713b2a2e650ce114d01";
+      network-key = pkgs.writeText "network-key" "cEEmc30BRBGkgQZcHFksiG7hjc6_dK1XR2Oo5Jb9_nQ=";
+    };
+    settings.webhooks.private-key = pkgs.writeText "webhook-key" "Ra3IjxgFiwG9jxgp4WALQIZw/BMYt30xWiOsqD0J7EA=";
+    settings.mail = {
+      smtp-from = "root+hut@${domain}";
+      # WARNING: take care to keep pgp-privkey outside the Nix store in production,
+      # or use LoadCredentialEncrypted=
+      pgp-privkey = toString (pkgs.writeText "sourcehut.pgp-privkey" ''
+        -----BEGIN PGP PRIVATE KEY BLOCK-----
+
+        lFgEYqDRORYJKwYBBAHaRw8BAQdAehGoy36FUx2OesYm07be2rtLyvR5Pb/ltstd
+        Gk7hYQoAAP9X4oPmxxrHN8LewBpWITdBomNqlHoiP7mI0nz/BOPJHxEktDZuaXhv
+        cy90ZXN0cy9zb3VyY2VodXQgPHJvb3QraHV0QHNvdXJjZWh1dC5sb2NhbGRvbWFp
+        bj6IlwQTFgoAPxYhBPqjgjnL8RHN4JnADNicgXaYm0jJBQJioNE5AhsDBQkDwmcA
+        BgsJCAcDCgUVCgkICwUWAwIBAAIeBQIXgAAKCRDYnIF2mJtIySVCAP9e2nHsVHSi
+        2B1YGZpVG7Xf36vxljmMkbroQy+0gBPwRwEAq+jaiQqlbGhQ7R/HMFcAxBIVsq8h
+        Aw1rngsUd0o3dAicXQRioNE5EgorBgEEAZdVAQUBAQdAXZV2Sd5ZNBVTBbTGavMv
+        D6ORrUh8z7TI/3CsxCE7+yADAQgHAAD/c1RU9xH+V/uI1fE7HIn/zL0LUPpsuce2
+        cH++g4u3kBgTOYh+BBgWCgAmFiEE+qOCOcvxEc3gmcAM2JyBdpibSMkFAmKg0TkC
+        GwwFCQPCZwAACgkQ2JyBdpibSMlKagD/cTre6p1m8QuJ7kwmCFRSz5tBzIuYMMgN
+        xtT7dmS91csA/35fWsOykSiFRojQ7ccCSUTHL7ApF2EbL968tP/D2hIG
+        =Hjoc
+        -----END PGP PRIVATE KEY BLOCK-----
+      '');
+      pgp-pubkey = pkgs.writeText "sourcehut.pgp-pubkey" ''
+        -----BEGIN PGP PUBLIC KEY BLOCK-----
+
+        mDMEYqDRORYJKwYBBAHaRw8BAQdAehGoy36FUx2OesYm07be2rtLyvR5Pb/ltstd
+        Gk7hYQq0Nm5peG9zL3Rlc3RzL3NvdXJjZWh1dCA8cm9vdCtodXRAc291cmNlaHV0
+        LmxvY2FsZG9tYWluPoiXBBMWCgA/FiEE+qOCOcvxEc3gmcAM2JyBdpibSMkFAmKg
+        0TkCGwMFCQPCZwAGCwkIBwMKBRUKCQgLBRYDAgEAAh4FAheAAAoJENicgXaYm0jJ
+        JUIA/17acexUdKLYHVgZmlUbtd/fq/GWOYyRuuhDL7SAE/BHAQCr6NqJCqVsaFDt
+        H8cwVwDEEhWyryEDDWueCxR3Sjd0CLg4BGKg0TkSCisGAQQBl1UBBQEBB0BdlXZJ
+        3lk0FVMFtMZq8y8Po5GtSHzPtMj/cKzEITv7IAMBCAeIfgQYFgoAJhYhBPqjgjnL
+        8RHN4JnADNicgXaYm0jJBQJioNE5AhsMBQkDwmcAAAoJENicgXaYm0jJSmoA/3E6
+        3uqdZvELie5MJghUUs+bQcyLmDDIDcbU+3ZkvdXLAP9+X1rDspEohUaI0O3HAklE
+        xy+wKRdhGy/evLT/w9oSBg==
+        =pJD7
+        -----END PGP PUBLIC KEY BLOCK-----
+      '';
+      pgp-key-id = "0xFAA38239CBF111CDE099C00CD89C8176989B48C9";
+    };
+  };
+
+  networking.firewall.allowedTCPPorts = [ 80 443 ];
+  security.pki.certificateFiles = [ "${tls-cert}/cert.pem" ];
+  services.nginx = {
+    enable = true;
+    recommendedGzipSettings = true;
+    recommendedOptimisation = true;
+    recommendedTlsSettings = true;
+    recommendedProxySettings = true;
+  };
+
+  services.postgresql = {
+    enable = true;
+    enableTCPIP = false;
+    settings.unix_socket_permissions = "0770";
+  };
+
+  services.openssh = {
+    enable = true;
+    settings.PasswordAuthentication = false;
+    settings.PermitRootLogin = "no";
+  };
+
+  environment.systemPackages = with pkgs; [
+    hut # For interacting with the Sourcehut APIs via CLI
+    (callPackage ../srht-gen-oauth-tok.nix { }) # To automatically generate OAuth tokens
+  ];
+}

nixos/tests/sourcehut/sourcehut.nix

···
 import ../make-test-python.nix ({ pkgs, lib, ... }:
 let
   domain = "sourcehut.localdomain";
-
-  # Note that wildcard certificates just under the TLD (eg. *.com)
-  # would be rejected by clients like curl.
-  tls-cert = pkgs.runCommand "selfSignedCerts" { buildInputs = [ pkgs.openssl ]; } ''
-    openssl req -x509 -newkey rsa:4096 -keyout key.pem -out cert.pem -nodes -days 36500 \
-      -subj '/CN=${domain}' -extensions v3_req \
-      -addext 'subjectAltName = DNS:*.${domain}'
-    install -D -t $out key.pem cert.pem
-  '';
 in
 {
   name = "sourcehut";
···
   meta.maintainers = with pkgs.lib.maintainers; [ tomberek nessdoor ];
 
   nodes.machine = { config, pkgs, nodes, ... }: {
-    # buildsrht needs space
-    virtualisation.diskSize = 4 * 1024;
-    virtualisation.memorySize = 2 * 1024;
+    imports = [
+      ./nodes/common.nix
+    ];
+
     networking.domain = domain;
-    networking.enableIPv6 = false;
     networking.extraHosts = ''
       ${config.networking.primaryIPAddress} builds.${domain}
       ${config.networking.primaryIPAddress} git.${domain}
···
     '';
 
     services.sourcehut = {
-      enable = true;
-      nginx.enable = true;
-      nginx.virtualHost = {
-        forceSSL = true;
-        sslCertificate = "${tls-cert}/cert.pem";
-        sslCertificateKey = "${tls-cert}/key.pem";
-      };
-      postgresql.enable = true;
-      redis.enable = true;
-
-      meta.enable = true;
       builds = {
         enable = true;
         # FIXME: see why it does not seem to activate fully.
···
       };
       git.enable = true;
 
-      settings."sr.ht" = {
-        environment = "production";
-        global-domain = config.networking.domain;
-        service-key = pkgs.writeText "service-key" "8b327279b77e32a3620e2fc9aabce491cc46e7d821fd6713b2a2e650ce114d01";
-        network-key = pkgs.writeText "network-key" "cEEmc30BRBGkgQZcHFksiG7hjc6_dK1XR2Oo5Jb9_nQ=";
-      };
       settings."builds.sr.ht" = {
         oauth-client-secret = pkgs.writeText "buildsrht-oauth-client-secret" "2260e9c4d9b8dcedcef642860e0504bc";
         oauth-client-id = "299db9f9c2013170";
···
         oauth-client-secret = pkgs.writeText "gitsrht-oauth-client-secret" "3597288dc2c716e567db5384f493b09d";
         oauth-client-id = "d07cb713d920702e";
       };
-      settings.webhooks.private-key = pkgs.writeText "webhook-key" "Ra3IjxgFiwG9jxgp4WALQIZw/BMYt30xWiOsqD0J7EA=";
-      settings.mail = {
-        smtp-from = "root+hut@${domain}";
-        # WARNING: take care to keep pgp-privkey outside the Nix store in production,
-        # or use LoadCredentialEncrypted=
-        pgp-privkey = toString (pkgs.writeText "sourcehut.pgp-privkey" ''
-          -----BEGIN PGP PRIVATE KEY BLOCK-----
-
-          lFgEYqDRORYJKwYBBAHaRw8BAQdAehGoy36FUx2OesYm07be2rtLyvR5Pb/ltstd
-          Gk7hYQoAAP9X4oPmxxrHN8LewBpWITdBomNqlHoiP7mI0nz/BOPJHxEktDZuaXhv
-          cy90ZXN0cy9zb3VyY2VodXQgPHJvb3QraHV0QHNvdXJjZWh1dC5sb2NhbGRvbWFp
-          bj6IlwQTFgoAPxYhBPqjgjnL8RHN4JnADNicgXaYm0jJBQJioNE5AhsDBQkDwmcA
-          BgsJCAcDCgUVCgkICwUWAwIBAAIeBQIXgAAKCRDYnIF2mJtIySVCAP9e2nHsVHSi
-          2B1YGZpVG7Xf36vxljmMkbroQy+0gBPwRwEAq+jaiQqlbGhQ7R/HMFcAxBIVsq8h
-          Aw1rngsUd0o3dAicXQRioNE5EgorBgEEAZdVAQUBAQdAXZV2Sd5ZNBVTBbTGavMv
-          D6ORrUh8z7TI/3CsxCE7+yADAQgHAAD/c1RU9xH+V/uI1fE7HIn/zL0LUPpsuce2
-          cH++g4u3kBgTOYh+BBgWCgAmFiEE+qOCOcvxEc3gmcAM2JyBdpibSMkFAmKg0TkC
-          GwwFCQPCZwAACgkQ2JyBdpibSMlKagD/cTre6p1m8QuJ7kwmCFRSz5tBzIuYMMgN
-          xtT7dmS91csA/35fWsOykSiFRojQ7ccCSUTHL7ApF2EbL968tP/D2hIG
-          =Hjoc
-          -----END PGP PRIVATE KEY BLOCK-----
-        '');
-        pgp-pubkey = pkgs.writeText "sourcehut.pgp-pubkey" ''
-          -----BEGIN PGP PUBLIC KEY BLOCK-----
-
-          mDMEYqDRORYJKwYBBAHaRw8BAQdAehGoy36FUx2OesYm07be2rtLyvR5Pb/ltstd
-          Gk7hYQq0Nm5peG9zL3Rlc3RzL3NvdXJjZWh1dCA8cm9vdCtodXRAc291cmNlaHV0
-          LmxvY2FsZG9tYWluPoiXBBMWCgA/FiEE+qOCOcvxEc3gmcAM2JyBdpibSMkFAmKg
-          0TkCGwMFCQPCZwAGCwkIBwMKBRUKCQgLBRYDAgEAAh4FAheAAAoJENicgXaYm0jJ
-          JUIA/17acexUdKLYHVgZmlUbtd/fq/GWOYyRuuhDL7SAE/BHAQCr6NqJCqVsaFDt
-          H8cwVwDEEhWyryEDDWueCxR3Sjd0CLg4BGKg0TkSCisGAQQBl1UBBQEBB0BdlXZJ
-          3lk0FVMFtMZq8y8Po5GtSHzPtMj/cKzEITv7IAMBCAeIfgQYFgoAJhYhBPqjgjnL
-          8RHN4JnADNicgXaYm0jJBQJioNE5AhsMBQkDwmcAAAoJENicgXaYm0jJSmoA/3E6
-          3uqdZvELie5MJghUUs+bQcyLmDDIDcbU+3ZkvdXLAP9+X1rDspEohUaI0O3HAklE
-          xy+wKRdhGy/evLT/w9oSBg==
-          =pJD7
-          -----END PGP PUBLIC KEY BLOCK-----
-        '';
-        pgp-key-id = "0xFAA38239CBF111CDE099C00CD89C8176989B48C9";
-      };
-    };
-
-    networking.firewall.allowedTCPPorts = [ 80 443 ];
-    security.pki.certificateFiles = [ "${tls-cert}/cert.pem" ];
-    services.nginx = {
-      enable = true;
-      recommendedGzipSettings = true;
-      recommendedOptimisation = true;
-      recommendedTlsSettings = true;
-      recommendedProxySettings = true;
-    };
-
-    services.postgresql = {
-      enable = true;
-      enableTCPIP = false;
-      settings.unix_socket_permissions = "0770";
-    };
-
-    services.openssh = {
-      enable = true;
-      settings.PasswordAuthentication = false;
-      settings.PermitRootLogin = "no";
     };
 
     environment.systemPackages = with pkgs; [
       git
-      hut # For interacting with the Sourcehut APIs via CLI
-      (callPackage ./srht-gen-oauth-tok.nix { }) # To automatically generate OAuth tokens
     ];
   };