nixos-servers/kubenix-modules/nextcloud.nix

{
  kubernetes.resources = {
    secrets.database.stringData.databasePassword = "ref+sops://secrets/kubernetes.yaml#/nextcloud/databasePassword";

    deployments = {
      server.spec = {
        selector.matchLabels = {
          app = "nextcloud";
          component = "server";
        };

        strategy = {
          type = "RollingUpdate";

          rollingUpdate = {
            maxSurge = 0;
            maxUnavailable = 1;
          };
        };

        template = {
          metadata.labels = {
            app = "nextcloud";
            component = "server";
          };

          spec = {
            volumes.data.persistentVolumeClaim.claimName = "data";

            containers.nextcloud = {
              image = "nextcloud:28";
              ports.web.containerPort = 80;

              env = {
                POSTGRES_USER.value = "nextcloud";
                POSTGRES_DB.value = "nextcloud";
                POSTGRES_HOST.value = "lewis.dmz";

                POSTGRES_PASSWORD.valueFrom.secretKeyRef = {
                  name = "database";
                  key = "databasePassword";
                };
              };

              volumeMounts = [{
                name = "data";
                mountPath = "/var/www/html";
              }];
            };

            securityContext = {
              fsGroup = 33;
              fsGroupChangePolicy = "OnRootMismatch";
            };

            affinity.nodeAffinity.preferredDuringSchedulingIgnoredDuringExecution = [{
              weight = 1;
              preference.matchExpressions = [{
                key = "storageType";
                operator = "In";
                values = [ "fast" ];
              }];
            }];
          };
        };
      };

      database.spec = {
        selector.matchLabels = {
          app = "nextcloud";
          component = "database";
        };

        template = {
          metadata.labels = {
            app = "nextcloud";
            component = "database";
          };

          spec = {
            containers.postgres = {
              image = "postgres:15";
              imagePullPolicy = "IfNotPresent";
              ports.postgres.containerPort = 5432;

              env = {
                POSTGRES_DB.value = "nextcloud";
                POSTGRES_USER.value = "nextcloud";
                PGDATA.value = "/pgdata/data";

                POSTGRES_PASSWORD.valueFrom.secretKeyRef = {
                  name = "database";
                  key = "databasePassword";
                };
              };

              volumeMounts = [{
                name = "database";
                mountPath = "/pgdata";
              }];
            };

            volumes.database.persistentVolumeClaim.claimName = "database";
          };
        };
      };
    };

    services = {
      server.spec = {
        selector = {
          app = "nextcloud";
          component = "server";
        };

        ports.web = {
          port = 80;
          targetPort = "web";
        };
      };

      database.spec = {
        selector = {
          app = "nextcloud";
          component = "database";
        };

        ports.postgres = {
          port = 5432;
          targetPort = "postgres";
        };
      };
    };
  };

  lab = {
    ingresses.web = {
      host = "cloud.kun.is";

      service = {
        name = "server";
        portName = "web";
      };
    };

    longhorn.persistentVolumeClaim = {
      data = {
        volumeName = "nextcloud";
        storage = "50Gi";
      };

      database = {
        volumeName = "nextcloud-db";
        storage = "400Mi";
      };
    };
  };
}