# == Class: cinder::backend::zfssa_iscsi

#

# Setup Cinder wth the volume ZFSSA iSCSI driver

#

# === Parameters

#

# [*volume_backend_name*]

#    (optional) Allows for the volume_backend_name to be separate of $name.

#    Defaults to: $name

#

#

# [*login*]

#   (required) Username to login to ZFS Storage Appliance.

#

# [*password*]

#   (required) Password for user in *login*.

#

# [*zfssa_pool*]

#   (required) Storage pool name

#

# [*zfssa_project*]

#   (optional) Project name in *zfssa_pool*. Defaults to 'default'.

#

# [*zfssa_target_portal*]

#   (required) Address of the iSCSI target portal in IP:port format.

#

# [*zfssa_target_interfaces*]

#   (required) Interface names where iSCSI targets are available.

#   Example:

#   "e1000g0,vnic1"

#

# [*zfssa_initiator*]

#   (optional) iSCSI initator name. Requires setting *zfssa_initiator_group*

#

# [*zfssa_initiator_group*]

#   (optional) iSCSI initiator group name. Required if *zfssa_initiator* is set.

#

# [*zfssa_initiator_config*]

#   (optional) iSCSI initator configuration.

#

# [*zfssa_initiator_user*]

#   (optional) CHAP user name for the iSCSI initator. Requires setting

#     *zfssa_initiator_password*

#

# [*zfssa_initiator_password*]

#   (optional) CHAP password. Required if *zfssa_initiator_user* is set.

#

# [*zfssa_target_group*]

#   (optional) iSCSI target group name.

#

# [*zfssa_target_user*]

#   (optional) CHAP user name for the iSCSI target. Requires setting

#     *zfssa_target_password*

#

# [*zfssa_target_password*]

#   (optional) CHAP password. Required if *zfssa_target_password* is set.

#

# [*zfssa_lun_volblocksize*]

#   (optional) Volume block size. Valid sizes are 512, 1k, 2k, 4k, 8k,

#     16k, 32k, 64k, 128k. Default is 8k

#

# [*zfssa_lun_sparse*]

#   (optional) Flag to enable sparse allocation (thin-provisioning).

#   Default is False.

#

# [*zfssa_lun_compression*]

#   (optional) Data compression to use on the lun. Valid values are off, lzjb,

#    gzip, gzip-2, gzip-9.

#

# [*zfssa_lun_logbias*]

#   (optional) Synchronous log bias. Valid values are latency, throughput.

#

# [*extra_options*]

#   (optional) Hash of extra options to pass to the backend stanza

#   Defaults to: {}

#   Example :

#     { 'zfssa_param' => { 'value' => value1 } }

define cinder::backend::zfssa_iscsi(

  $hostname,

  $login,

  $password,

  $zfssa_pool,

  $zfssa_target_portal,

  $zfssa_target_interfaces,

  $volume_backend_name = $name,

  $zfssa_project             = undef,

  $zfssa_initiator           = undef,

  $zfssa_initiator_group     = undef,

  $zfssa_initiator_config    = undef,

  $zfssa_initiator_user      = undef,

  $zfssa_initiator_password  = undef,

  $zfssa_target_group        = undef,

  $zfssa_target_user         = undef,

  $zfssa_target_password     = undef,

  $zfssa_lun_volblocksize    = undef,

  $zfssa_lun_sparse          = undef,

  $zfssa_lun_compression     = undef,

  $zfssa_lun_logbias         = undef,

  $zfssa_rest_timeout        = undef,

  $extra_options       = {},

) {

  cinder_config {

    "${name}/volume_backend_name":     value => $volume_backend_name;

    "${name}/volume_driver":           value => 'cinder.volume.drivers.zfssa.zfssaiscsi.ZFSSAISCSIDriver';

    "${name}/san_ip":                  value => $hostname;

    "${name}/san_login":               value => $login;

    "${name}/zfssa_pool":              value => $zfssa_pool;

    "${name}/zfssa_project":           value => $zfssa_project;

    "${name}/zfssa_target_portal":     value => $zfssa_target_portal;

    "${name}/zfssa_target_interfaces": value => $zfssa_target_interfaces;

    "${name}/zfssa_target_group":      value => $zfssa_target_group;

    "${name}/zfssa_initiator_config":  value => $zfssa_initiator_config;

    "${name}/zfssa_lun_volblocksize":  value => $zfssa_lun_volblocksize;

    "${name}/zfssa_lun_sparse":        value => $zfssa_lun_sparse;

    "${name}/zfssa_lun_compression":   value => $zfssa_lun_compression;

    "${name}/zfssa_lun_logbias":       value => $zfssa_lun_logbias;

    "${name}/zfssa_rest_timeout":      value => $zfssa_rest_timeout;

  }

  if ($zfssa_initiator and $zfssa_initiator_group) {

    cinder_config {

      "${name}/zfssa_initiator": value => $zfssa_initiator;

      "${name}/zfssa_initiator_group": value => $zfssa_initiator_group;

    }

  }

  if ($zfssa_initiator_user and $zfssa_initiator_password) {

    cinder_config {

      "${name}/zfssa_initiator_user": value => $zfssa_initiator_user;

      "${name}/zfssa_initiator_password": value => $zfssa_initiator_password, secret => true;

    }

  }

  if ($zfssa_target_user and $zfssa_target_password) {

    cinder_config {

      "${name}/zfssa_target_user": value => $zfssa_target_user;

      "${name}/zfssa_target_password": value => $zfssa_target_password, secret => true;

    }

  }

  create_resources('cinder_config', $extra_options)

}