dotfiles/terranix/main/kubernetes/gitea.nix

{
  pkgs,
  inputs,
  tflib,
  elib,
  ...
}: let
  inherit
    (elib)
    copyNixNGImage
    ;
  inherit
    (elib.kube)
    pvAndPvc
    ;
  inherit
    (tflib)
    tf
    ;
in {
  imports = [
    (pvAndPvc {
      name = "gitea-data";
      namespace = "gitea";
      capacity = "20Gi";
      labels.type = "local";
      hostPath = "/data/gitea/data";
    })

    (pvAndPvc {
      name = "gitea-database";
      namespace = "gitea";
      capacity = "2Gi";
      labels.type = "local";
      hostPath = "/data/gitea/database";
    })

    (copyNixNGImage {
      name = "gitea";
      image =
        (inputs.nix-snapshotter.packages.${pkgs.stdenv.system}.nix-snapshotter.buildImage {
          name = "gitea";
          resolvedByNix = true;
          config.entrypoint = ["${inputs.self.nixngConfigurations.gitea.config.system.build.toplevel}/init"];
        })
        .image;
      hosts = [
        "blowhole.hosts.in.redalder.org"
      ];
    })
  ];

  resource."kubernetes_namespace"."gitea" = {
    metadata = {
      name = "gitea";

      labels = {
        visibility = "public";
        # has to be kept in sync with `prepare` profile
        "istio.io/rev" = "1-22-0";
      };
    };
  };

  resource."kubernetes_manifest"."gitea-deployment" = {
    manifest = {
      apiVersion = "apps/v1";
      kind = "Deployment";
      metadata = {
        name = "gitea";
        namespace = "gitea";
        labels = {
          app = "gitea";
        };
      };

      spec = {
        replicas = 1;
        strategy.type = "Recreate";
        selector.matchLabels.app = "gitea";
        template = {
          metadata.labels.app = "gitea";
          spec = {
            containers = [
              {
                name = "gitea";
                image =
                  tf "data.external.nixng-image-gitea.result.out";
                ports = [
                  {
                    containerPort = 3000;
                  }
                ];
                volumeMounts = [
                  {
                    name = "gitea-data";
                    mountPath = "/var/lib/gitea";
                  }
                  {
                    name = "gitea-database";
                    mountPath = "/var/lib/postgresql";
                  }
                ];
              }
            ];
            volumes = [
              {
                name = "gitea-data";
                persistentVolumeClaim.claimName = "gitea-data";
              }
              {
                name = "gitea-database";
                persistentVolumeClaim.claimName = "gitea-database";
              }
            ];
          };
        };
      };
    };
  };

  resource."kubernetes_manifest"."gitea-service" = {
    manifest = {
      apiVersion = "v1";
      kind = "Service";
      metadata = {
        name = "gitea";
        namespace = "gitea";
      };
      spec = {
        ports = [
          {
            port = 80;
            protocol = "TCP";
            targetPort = 3000;
          }
        ];
        selector.app = "gitea";
      };
    };
  };

  resource."kubernetes_manifest"."gitea-reference-grant" = {
    manifest = {
      apiVersion = "gateway.networking.k8s.io/v1alpha2";
      kind = "ReferenceGrant";
      metadata = {
        name = "gitea";
        namespace = "gitea";
      };
      spec = {
        from = [
          {
            group = "gateway.networking.k8s.io";
            kind = "HTTPRoute";
            namespace = "ingress";
          }
        ];
        to = [
          {
            group = "";
            kind = "Service";
            name = "gitea";
          }
        ];
      };
    };
  };

  resource."kubernetes_manifest"."gitea_authorization_policy" = {
    manifest = {
      apiVersion = "security.istio.io/v1";
      kind = "AuthorizationPolicy";
      metadata = {
        name = "gitea";
        namespace = "gitea";
      };
      spec = {
        action = "ALLOW";
        rules = [
          {
            from = [
              {
                source = {
                  namespaces = ["ingress"];
                };
              }
            ];
            to = [
              {
                operation = {
                  methods = ["*"];
                  paths = ["/*"];
                };
              }
            ];
          }
        ];
        selector = {
          matchLabels.app = "gitea";
        };
      };
    };
  };

  resource."kubernetes_manifest"."gitea-httproute" = {
    manifest = {
      apiVersion = "gateway.networking.k8s.io/v1";
      kind = "HTTPRoute";
      metadata = {
        name = "gitea";
        namespace = "ingress";
      };
      spec = {
        parentRefs = [
          {name = "website";}
        ];
        hostnames = ["gitea.redalder.org"];
        rules = [
          {
            backendRefs = [
              {
                name = "gitea";
                namespace = "gitea";
                port = 80;
              }
            ];
          }
        ];
      };
    };
  };
}