# Class Grafana
class grafana (
  $admin_password,
  $ldap_config_file,
  $system_user = 'grafana',
  $container_name = 'grafana',
  $container_image_name = 'grafana/grafana-oss',
  $container_image_version = 'latest',
  $container_mount_data_folder = true,
  $container_data_folder = '/var/lib/grafana',
  $container_config_folder = '/etc/grafana',
  $container_logs_folder = '/var/log/grafana',
  $container_volume_name = 'grafana-storage',
  $container_port = '3000',
  $configuration = {}, # Refer to https://grafana.com/docs/grafana/latest/setup-grafana/configure-grafana/
  $ldap_config = {},
) {
  $env = [
    "GF_PATHS_CONFIG=${container_config_folder}/grafana.ini",
    "GF_PATHS_DATA=${$container_data_folder}",
    'GF_PATHS_HOME=/usr/share/grafana',
    "GF_PATHS_LOGS=${container_logs_folder}",
    "GF_PATHS_PLUGINS=${container_data_folder}/plugins",
    "GF_PATHS_PROVISIONING=${container_config_folder}/provisioning",
    'GF_LOG_MODE=console file',
    "GF_SECURITY_ADMIN_PASSWORD=${admin_password}",
  ]
  if (!$container_mount_data_folder) {
    podman::volume { $container_volume_name: }
    $flags = {
      publish => [
        "${container_port}:3000",
      ],
      #sysctl => 'net.ipv6.conf.all.disable_ipv6=1',
      network => 'host',
      volume  => [
        "${container_volume_name}:/var/lib/grafana",
      ],
      env     => $env,
    }
  } else {
    user { $system_user:
      uid => 472,
    }
    file { $container_data_folder:
      ensure => directory,
      owner  => $system_user,
    }
    file { "${container_data_folder}/plugins":
      ensure  => directory,
      owner   => $system_user,
      require => File[$container_data_folder],
    }
    file { $container_logs_folder:
      ensure => directory,
      owner  => $system_user,
    }
    file { $container_config_folder:
      ensure => directory,
      owner  => $system_user,
    }
    $flags = {
      #network => 'grafana',
      publish => [
        "${container_port}:3000",
      ],
      #sysctl => 'net.ipv6.conf.all.disable_ipv6=1',
      network => 'host',
      volume => [
        "${container_data_folder}:/var/lib/grafana",
        "${container_config_folder}:/etc/grafana",
        "${container_logs_folder}:/var/log/grafana",
      ],
      env     => $env,
    }
    file { "${container_config_folder}/grafana.ini":
      # content => template('grafana/grafana.ini.erb'),
      content => inifile::create_ini_settings($configuration),
    }
  }
  podman::container { $container_name:
    image         => $container_image_name,
    flags         => $flags,
    service_flags => {
      timeout => '180',
    },
  }
  file { $ldap_config_file:
    content => to_toml($ldap_config),
  }
}