5064026b73
This patch is fixing a syntax error in the 70-ironic-root-device init script for the deploy-ironic element. Change-Id: I767486ca5893605720fba41bee3af72725a26377 Closes-Bug: #1531835
139 lines
3.5 KiB
Plaintext
139 lines
3.5 KiB
Plaintext
CHECK_SIZE=false
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CHECK_MODEL=false
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CHECK_VENDOR=false
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CHECK_UUID=false
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CHECK_WWN=false
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CHECK_HCTL=false
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CHECK_SERIAL=false
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# URL/Percent decode a text
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function urldecode() {
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local encoded="${1//+/ }"
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printf '%b' "${encoded//%/\x}"
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}
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# Lowercase and url decode the values
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function normalize() {
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echo `urldecode "${1,,}"`
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}
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function _exec_lsblk() {
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lsblk -Pbio $2 /dev/$1 | head -n 1 | grep -Po "(?<=^$2=).*" | tr "\"" " "
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}
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function _exec_scsi_id() {
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/lib/udev/scsi_id --whitelisted --export -d $1 | grep $2 | cut -d "=" -f 2
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}
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# Get the block device size in GiB
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function get_size() {
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echo $(( (512 * $(cat /sys/block/$1/size) ) / 2**30))
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}
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function get_model() {
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local file
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file=/sys/block/$1/device/model
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if [ -f $file ]; then
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normalize "$(cat $file)"
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fi
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}
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function get_vendor() {
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local file
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file=/sys/block/$1/device/vendor
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if [ -f $file ]; then
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normalize "$(cat $file)"
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fi
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}
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function get_wwn() {
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normalize "$(_exec_lsblk "$1" WWN)"
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}
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function get_wwn_with_extension() {
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normalize "$(_exec_scsi_id "$1" ID_WWN_WITH_EXTENSION)"
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}
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function get_wwn_vendor_extension() {
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normalize "$(_exec_scsi_id "$1" ID_WWN_VENDOR_EXTENSION)"
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}
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function get_serial() {
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normalize "$(_exec_lsblk "$1" SERIAL)"
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}
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# Parse all the hints from the Kernel cmdline and set the CHECK_*
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# variables
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function parse_hints() {
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IFS=',' read -ra H <<< "$ROOT_DEVICE"
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for i in "${H[@]}"; do
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case "$i" in
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size=*)
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CHECK_SIZE="${i#size=}"
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;;
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model=*)
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CHECK_MODEL=`normalize "${i#model=}"`
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;;
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vendor=*)
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CHECK_VENDOR=`normalize "${i#vendor=}"`
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;;
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wwn=*)
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CHECK_WWN=`normalize "${i#wwn=}"`
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;;
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wwn_with_extension=*)
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CHECK_WWN_WITH_EXT=`normalize "${i#wwn_with_extension=}"`
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;;
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wwn_vendor_extension=*)
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CHECK_WWN_VENDOR_EXT=`normalize "${i#wwn_vendor_extension=}"`
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;;
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serial=*)
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CHECK_SERIAL=`normalize "${i#serial=}"`
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;;
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*)
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;;
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esac
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done
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}
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function get_root_device() {
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# Parse the hints
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parse_hints
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for DEV in /sys/block/* ; do
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DEV_NAME=${DEV##*/}
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DEV_PATH=/dev/$DEV_NAME
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# Ignore loop and ram devices
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[[ $DEV_NAME = *loop* || $DEV_NAME = *ram* ]] && continue || :
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# Find out if it's a CDROM
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TYPE=/sys/block/$DEV_NAME/device/type
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[[ -f $TYPE ]] && (( $(cat "$TYPE") == 5 )) && continue || :
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[[ $CHECK_SIZE != false && $(get_size "$DEV_NAME") != $CHECK_SIZE ]] && continue || :
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[[ $CHECK_MODEL != false && $(get_model "$DEV_NAME") != $CHECK_MODEL ]] && continue || :
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[[ $CHECK_VENDOR != false && $(get_vendor "$DEV_NAME") != $CHECK_VENDOR ]] && continue || :
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[[ $CHECK_SERIAL != false && $(get_serial "$DEV_NAME") != $CHECK_SERIAL ]] && continue || :
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[[ $CHECK_WWN != false && $(get_wwn "$DEV_NAME") != $CHECK_WWN ]] && continue || :
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[[ $CHECK_WWN_WITH_EXT != false && $(get_wwn_with_extension "$DEV_NAME") != $CHECK_WWN_WITH_EXT ]] && continue || :
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[[ $CHECK_WWN_VENDOR_EXT != false && $(get_wwn_vendor_extension "$DEV_NAME") != $CHECK_WWN_VENDOR_EXT ]] && continue || :
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# A device that matches all hints was found
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echo "$DEV_PATH"
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break
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done
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}
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