devstack/lib/cinder_backends/lvm
Attila Fazekas c70605d101 Add lioadm cinder iscsi helper support
The Linux-IO is a modern way of handling targets.
Per the IRC discussions lioadm as default
seams like a better default for everyone, for now it will be
optional, but the tgtadm admin support expected to be removed when
lioadm works well with all CI (including third party).

Change-Id: Ia54c59914c1d3ff2ef5f00ecf819426bc448d0a9
2015-03-26 20:41:18 +01:00

73 lines
1.8 KiB
Bash

#!/bin/bash
#
# lib/cinder_backends/lvm
# Configure the LVM backend
# Enable with:
#
# CINDER_ENABLED_BACKENDS+=,lvm:lvmname
# Dependencies:
#
# - ``functions`` file
# - ``cinder`` configurations
# CINDER_CONF
# DATA_DIR
# VOLUME_GROUP_NAME
# clean_cinder_backend_lvm - called from clean_cinder()
# configure_cinder_backend_lvm - called from configure_cinder()
# init_cinder_backend_lvm - called from init_cinder()
# Save trace setting
MY_XTRACE=$(set +o | grep xtrace)
set +o xtrace
# TODO: resurrect backing device...need to know how to set values
#VOLUME_BACKING_DEVICE=${VOLUME_BACKING_DEVICE:-}
# Entry Points
# ------------
# cleanup_cinder_backend_lvm - Delete volume group and remove backing file
# cleanup_cinder_backend_lvm $be_name
function cleanup_cinder_backend_lvm {
local be_name=$1
# Campsite rule: leave behind a volume group at least as clean as we found it
clean_lvm_volume_group $VOLUME_GROUP_NAME-$be_name
}
# configure_cinder_backend_lvm - Set config files, create data dirs, etc
# configure_cinder_backend_lvm $be_name
function configure_cinder_backend_lvm {
local be_name=$1
iniset $CINDER_CONF $be_name volume_backend_name $be_name
iniset $CINDER_CONF $be_name volume_driver "cinder.volume.drivers.lvm.LVMVolumeDriver"
iniset $CINDER_CONF $be_name volume_group $VOLUME_GROUP_NAME-$be_name
iniset $CINDER_CONF $be_name iscsi_helper "$CINDER_ISCSI_HELPER"
if [[ "$CINDER_SECURE_DELETE" == "False" ]]; then
iniset $CINDER_CONF $be_name volume_clear none
fi
}
# init_cinder_backend_lvm - Initialize volume group
# init_cinder_backend_lvm $be_name
function init_cinder_backend_lvm {
local be_name=$1
# Start with a clean volume group
init_lvm_volume_group $VOLUME_GROUP_NAME-$be_name $VOLUME_BACKING_FILE_SIZE
}
# Restore xtrace
$MY_XTRACE
# mode: shell-script
# End: