devstack/lib/cinder_backends/lvm
Lenny Verkhovsky f63ddd609f Replace depricated iscsi_helper with target_helper
Cinder change I5231f8fe3399deb9c57e6efb121d0d008dc9c7f4
replaces iscsi_helper with more general one.



Change-Id: I49fe0365b170e5a5b0449d80003bcf970e4c191d
2018-03-01 07:38:28 +00:00

72 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
_XTRACE_CINDER_LVM=$(set +o | grep xtrace)
set +o xtrace
# TODO: resurrect backing device...need to know how to set values
#VOLUME_BACKING_DEVICE=${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
clean_lvm_filter
}
# 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 $be_name target_helper "$CINDER_ISCSI_HELPER"
iniset $CINDER_CONF $be_name lvm_type "$CINDER_LVM_TYPE"
}
# 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
$_XTRACE_CINDER_LVM
# mode: shell-script
# End: