homelab-nomad/core/lldap.nomad

job "lldap" {
  datacenters = ["dc1"]
  type = "service"

  group "lldap" {

    network {
      mode = "bridge"

      port "web" {
        host_network = "loopback"
        to = 17170
      }

      port "ldap" {
        host_network = "loopback"
        to = 3890
      }
    }

    volume "lldap-data" {
      type = "host"
      read_only = false
      source = "lldap-data"
    }

    service {
      name = "lldap"
      port = "ldap"

      connect {
        sidecar_service {
          proxy {
            local_service_port = 3890

            config {
              protocol = "tcp"
            }
          }
        }

        sidecar_task {
          resources {
            cpu    = 50
            memory = 20
          }
        }
      }
    }

    service {
      name = "ldap-admin"
      port = "web"

      connect {
        sidecar_service {
          proxy {
            local_service_port = 17170
          }
        }

        sidecar_task {
          resources {
            cpu    = 20
            memory = 20
          }
        }
      }

      tags = [
        "traefik.enable=true",
        "traefik.http.routers.ldap-admin.entryPoints=websecure",
      ]
    }

    task "lldap" {
      driver = "docker"

      volume_mount {
        volume = "lldap-data"
        destination = "/data"
        read_only = false
      }

      config {
        image = "nitnelave/lldap:v0.4"
        ports = ["ldap", "web"]
        args = ["run", "--config-file", "/lldap_config.toml"]

        mount {
          type = "bind"
          source = "secrets/lldap_config.toml"
          target = "/lldap_config.toml"
        }
      }

      vault {
        policies = [
          "access-tables",
          "nomad-task",
        ]
      }

      env = {
        "LLDAP_LDAP_PORT" = "${NOMAD_PORT_ldap}"
        "LLDAP_HTTP_PORT" = "${NOMAD_PORT_web}"
      }

      template {
        data = <<EOH
database_url = "sqlite:///data/users.db?mode=rwc"
key_file = "/data/private_key"
ldap_base_dn = "{{ keyOrDefault "global/ldap/base_dn" "dc=example,dc=com" }}"
{{ with secret "kv/data/lldap" -}}
jwt_secret = "{{ .Data.data.jwt_secret }}"
ldap_user_dn = "{{ .Data.data.admin_user }}"
ldap_user_email = "{{ .Data.data.admin_email }}"
ldap_user_pass = "{{ .Data.data.admin_password }}"
{{ end -}}
{{ with secret "kv/data/smtp" -}}
[smtp_options]
enable_password_reset = true
server = "{{ .Data.data.server }}"
port = {{ .Data.data.port }}
tls_required = {{ .Data.data.tls }}
user = "{{ .Data.data.user }}"
password = "{{ .Data.data.password }}"
{{ with secret "kv/data/lldap" -}}
from = "{{ .Data.data.smtp_from }}"
reply_to = "{{ .Data.data.smtp_reply_to }}"
{{ end -}}
{{ end -}}
        EOH
        destination = "secrets/lldap_config.toml"
        change_mode = "restart"
      }

      resources {
        cpu = 10
        memory = 200
        memory_max = 200
      }
    }
  }
}