#!/bin/bash
#
# lib/cinder_backends/ceph_iscsi
# Configure the ceph_iscsi backend

# Enable with:
#
#   CINDER_ENABLED_BACKENDS+=,ceph_iscsi:ceph_iscsi
#
# Optional paramteters:
#   CEPH_ISCSI_API_URL=<url to the rbd-target-api service>
#
# Dependencies:
#
# - ``functions`` file
# - ``cinder`` configurations

# configure_ceph_backend_ceph_iscsi - called from configure_cinder()


# Save trace setting
_XTRACE_CINDER_CEPH_ISCSI=$(set +o | grep xtrace)
set +o xtrace

# Entry Points
# ------------

# configure_cinder_backend_ceph_iscsi - Set config files, create data dirs, etc
# configure_cinder_backend_ceph_iscsi $name
function configure_cinder_backend_ceph_iscsi {
    local be_name=$1

    CEPH_ISCSI_API_URL=${CEPH_ISCSI_API_URL:-http://$CEPH_ISCSI_API_HOST:$CEPH_ISCSI_API_PORT}

    iniset $CINDER_CONF $be_name volume_backend_name $be_name
    iniset $CINDER_CONF $be_name volume_driver "cinder.volume.drivers.ceph.rbd_iscsi.RBDISCSIDriver"
    iniset $CINDER_CONF $be_name rbd_ceph_conf "$CEPH_CONF_FILE"
    iniset $CINDER_CONF $be_name rbd_pool "$CINDER_CEPH_POOL"
    iniset $CINDER_CONF $be_name rbd_user "$CINDER_CEPH_USER"
    iniset $CINDER_CONF $be_name rbd_iscsi_api_user "$CEPH_ISCSI_API_USER"
    iniset $CINDER_CONF $be_name rbd_iscsi_api_password "$CEPH_ISCSI_API_PASSWORD"
    iniset $CINDER_CONF $be_name rbd_iscsi_api_url "$CEPH_ISCSI_API_URL"
    iniset $CINDER_CONF $be_name rbd_iscsi_target_iqn "$CEPH_ISCSI_TARGET_IQN"
    iniset $CINDER_CONF $be_name rbd_flatten_volume_from_snapshot False
    iniset $CINDER_CONF $be_name rbd_max_clone_depth 5
    iniset $CINDER_CONF DEFAULT glance_api_version 2

    pip_install rbd-iscsi-client
}

# Restore xtrace
$_XTRACE_CINDER_CEPH_ISCSI

# Local variables:
# mode: shell-script
# End: