a82e7bd83b
* Added bashate to test-requirements.txt * Make plugin.sh executable Change-Id: I07f65262f79ddc35e2ed648f252c8817aa0ea888
89 lines
2.5 KiB
Bash
Executable File
89 lines
2.5 KiB
Bash
Executable File
#!/bin/bash
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#
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# lib/cinder_backends/bdd
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# Configure the BlockDeviceDriver backend
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# Enable with:
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#
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# CINDER_ENABLED_BACKENDS+=,bdd:<volume-type-name>
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# Dependencies:
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#
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# - ``functions`` file
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# - ``cinder`` configurations
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# DATA_DIR
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# CINDER_BLOCK_DEVICES
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# CINDER_BDD_BACKING_FILE_NAME
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# CINDER_BDD_DEVICES_COUNT
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# CINDER_BDD_DEVICES_SIZE
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# CINDER_CONF
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# configure_cinder_backend_bdd - Configure Cinder for BlockDeviceDriver backends
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# cleanup_cinder_backend_bdd - Clean created files, devices, etc
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# Save trace setting
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BDD_XTRACE=$(set +o | grep xtrace)
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set +o xtrace
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CINDER_BDD_BACKING_FILE_NAME=${BDD_BACKING_FILE_NAME:-bdd-backing-file}
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CINDER_BDD_DEVICES=${CINDER_BDD_DEVICES:-default}
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CINDER_BDD_DEVICES_COUNT=${CINDER_BDD_DEVICES_COUNT:-4}
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CINDER_BDD_DEVICES_SIZE=${CINDER_BDD_DEVICES_SIZE:-4100M}
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function _init_cinder_bdd_device {
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local backing_file=$DATA_DIR/$CINDER_BDD_BACKING_FILE_NAME-$1
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[[ -f $backing_file ]] || truncate -s $CINDER_BDD_DEVICES_SIZE $backing_file
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echo `sudo losetup -f --show $backing_file`
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}
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function _init_cinder_bdd_devices {
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local idx=0
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CINDER_BDD_DEVICES=""
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while [ $idx -lt $CINDER_BDD_DEVICES_COUNT ]; do
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local dev_name=`_init_cinder_bdd_device $idx`
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CINDER_BDD_DEVICES=$CINDER_BDD_DEVICES$dev_name,
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let idx=idx+1
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done
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CINDER_BDD_DEVICES=${CINDER_BDD_DEVICES%?}
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}
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function _cleanup_cinder_bdd_device {
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local idx=$1
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local backing_file=$DATA_DIR/$CINDER_BDD_BACKING_FILE_NAME-$idx
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if [[ -n "$backing_file" ]] && [[ -e "$backing_file" ]]; then
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local vg_dev=$(sudo losetup -j $backing_file | awk -F':' '/'$CINDER_BDD_BACKING_FILE_NAME-$idx'/ { print $1}')
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sudo losetup -d $vg_dev
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rm -f $backing_file
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fi
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}
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# cleanup_cinder_backend_bdd - Clean created files, devices, etc
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function cleanup_cinder_backend_bdd {
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local idx=0
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while [ $idx -lt $CINDER_BDD_DEVICES_COUNT ]; do
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_cleanup_cinder_bdd_device $idx
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let idx=idx+1
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done
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}
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# configure_cinder_backend_bdd - Set config files, create data dirs, etc
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function configure_cinder_backend_bdd {
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local be_name=$1
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if [ "$CINDER_BDD_DEVICES" = "default" ]; then
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_init_cinder_bdd_devices
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fi
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iniset $CINDER_CONF $be_name volume_backend_name $be_name
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iniset $CINDER_CONF $be_name volume_driver "cinder.volume.drivers.block_device.BlockDeviceDriver"
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iniset $CINDER_CONF $be_name available_devices $CINDER_BDD_DEVICES
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}
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# Restore xtrace
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$BDD_XTRACE
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# Local variables:
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# mode: shell-script
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# End:
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