manifests/apps/atlantis.nix

{ lib, config, ... }:
let
  cfg = config.services.atlantis;
in
{
  options.services.atlantis = {
    enable = lib.mkOption {
      type = lib.types.bool;
      default = true;
      description = "Enable";
    };
    autoSync = lib.mkOption {
      type = lib.types.bool;
      default = true;
      description = "Auto sync";
    };
    prune = lib.mkOption {
      type = lib.types.bool;
      default = false;
      description = "Prune";
    };
  };

  config = lib.mkIf cfg.enable {
    applications.atlantis.resources = {
      applicationSets = {
        atlantis.spec = {
          goTemplate = true;
          generators = [
            {
              list = {
                elements = [
                  {
                    env = "prod";
                    namespace = "atlantis";
                    project = "atlantis";
                    cluster = "https://kubernetes.default.svc";
                    hostname = "atlantis.srv.oceanbox.io";
                    revision = "main";
                    autoSync = cfg.autoSync;
                    prune = cfg.prune;
                  }
                  {
                    env = "staging";
                    namespace = "atlantis";
                    project = "atlantis";
                    cluster = "https://staging-vcluster.staging-vcluster";
                    hostname = "atlantis.beta.oceanbox.io";
                    revision = "main";
                    autoSync = cfg.autoSync;
                    prune = cfg.prune;
                  }
                ];
              };
            }
          ];
          template = {
            metadata = {
              name = "{{ .env }}-atlantis";
              annotations = {
                "argocd.argoproj.io/compare-options" = "ServerSideDiff=true";
              };
            };
            spec = {
              destination = {
                namespace = "{{`{{.namespace}}`}}";
                server = "{{ .cluster }}";
              };
              project = "{{`{{.project}}`}}";
              sources = [
                {
                  repoURL = "https://gitlab.com/oceanbox/manifests.git";
                  targetRevision = "{{`{{.revision}}`}}";
                  path = "kustomizations/atlantis";
                  plugin = {
                    name = "kustomize-helm-with-rewrite";
                    parameters = [
                      {
                        name = "env";
                        string = "{{ .env }}";
                      }
                      {
                        name = "hostname";
                        string = "{{ .hostname }}";
                      }
                    ];
                  };
                }
              ];
              syncPolicy = {
                syncOptions = [
                  "CreateNamespace=true"
                  "ApplyOutOfSyncOnly=true"
                ];
                automated = lib.mkIf cfg.autoSync {
                  prune = cfg.prune;
                  selfHeal = false;
                };
              };
            };
          };
        };
      };
    };
  };
}