Merge "Ironic: Deploy ramdisk to find the right root device"
This commit is contained in:
commit
b2fc2cc358
115
elements/deploy-ironic/init.d/70-ironic-root-device
Normal file
115
elements/deploy-ironic/init.d/70-ironic-root-device
Normal file
@ -0,0 +1,115 @@
|
||||
CHECK_SIZE=false
|
||||
CHECK_MODEL=false
|
||||
CHECK_VENDOR=false
|
||||
CHECK_UUID=false
|
||||
CHECK_WWN=false
|
||||
CHECK_HCTL=false
|
||||
CHECK_SERIAL=false
|
||||
|
||||
|
||||
# URL/Percent decode a text
|
||||
function urldecode() {
|
||||
local encoded="${1//+/ }"
|
||||
printf '%b' "${encoded//%/\x}"
|
||||
}
|
||||
|
||||
|
||||
# Lowercase and url decode the values
|
||||
function normalize() {
|
||||
echo `urldecode "${1,,}"`
|
||||
}
|
||||
|
||||
|
||||
function _exec_lsblk() {
|
||||
lsblk -Pbio $2 /dev/$1 | head -n 1 | grep -Po "(?<=^$2=).*" | tr "\"" " "
|
||||
}
|
||||
|
||||
|
||||
# Get the block device size in GiB
|
||||
function get_size() {
|
||||
echo $(( (512 * $(cat /sys/block/$1/size) ) / 2**30))
|
||||
}
|
||||
|
||||
|
||||
function get_model() {
|
||||
local file
|
||||
file=/sys/block/$1/device/model
|
||||
if [ -f $file ]; then
|
||||
normalize "$(cat $file)"
|
||||
fi
|
||||
}
|
||||
|
||||
|
||||
function get_vendor() {
|
||||
local file
|
||||
file=/sys/block/$1/device/vendor
|
||||
if [ -f $file ]; then
|
||||
normalize "$(cat $file)"
|
||||
fi
|
||||
}
|
||||
|
||||
|
||||
function get_wwn() {
|
||||
normalize "$(_exec_lsblk "$1" WWN)"
|
||||
}
|
||||
|
||||
|
||||
function get_serial() {
|
||||
normalize "$(_exec_lsblk "$1" SERIAL)"
|
||||
}
|
||||
|
||||
|
||||
# Parse all the hints from the Kernel cmdline and set the CHECK_*
|
||||
# variables
|
||||
function parse_hints() {
|
||||
IFS=',' read -ra H <<< "$ROOT_DEVICE"
|
||||
for i in "${H[@]}"; do
|
||||
case "$i" in
|
||||
size=*)
|
||||
CHECK_SIZE="${i#size=}"
|
||||
;;
|
||||
model=*)
|
||||
CHECK_MODEL=`normalize "${i#model=}"`
|
||||
;;
|
||||
vendor=*)
|
||||
CHECK_VENDOR=`normalize "${i#vendor=}"`
|
||||
;;
|
||||
wwn=*)
|
||||
CHECK_WWN=`normalize "${i#wwn=}"`
|
||||
;;
|
||||
serial=*)
|
||||
CHECK_SERIAL=`normalize "${i#serial=}"`
|
||||
;;
|
||||
*)
|
||||
;;
|
||||
esac
|
||||
done
|
||||
}
|
||||
|
||||
|
||||
function get_root_device() {
|
||||
# Parse the hints
|
||||
parse_hints
|
||||
|
||||
for DEV in /sys/block/* ; do
|
||||
DEV_NAME=${DEV##*/}
|
||||
DEV_PATH=/dev/$DEV_NAME
|
||||
|
||||
# Ignore loop and ram devices
|
||||
[[ $DEV_NAME = *loop* || $DEV_NAME = *ram* ]] && continue || :
|
||||
|
||||
# Find out if it's a CDROM
|
||||
TYPE=/sys/block/$DEV_NAME/device/type
|
||||
[[ -f $TYPE ]] && (( $(cat "$TYPE") == 5 )) && continue || :
|
||||
|
||||
[[ $CHECK_SIZE != false && $(get_size "$DEV_NAME") != $CHECK_SIZE ]] && continue || :
|
||||
[[ $CHECK_MODEL != false && $(get_model "$DEV_NAME") != $CHECK_MODEL ]] && continue || :
|
||||
[[ $CHECK_VENDOR != false && $(get_vendor "$DEV_NAME") != $CHECK_VENDOR ]] && continue || :
|
||||
[[ $CHECK_SERIAL != false && $(get_serial "$DEV_NAME") != $CHECK_SERIAL ]] && continue || :
|
||||
[[ $CHECK_WWN != false && $(get_wwn "$DEV_NAME") != $CHECK_WWN ]] && continue || :
|
||||
|
||||
# A device that matches all hints was found
|
||||
echo "$DEV_PATH"
|
||||
break
|
||||
done
|
||||
}
|
@ -1,20 +1,26 @@
|
||||
readonly IRONIC_API_URL=$(get_kernel_parameter ironic_api_url)
|
||||
readonly IRONIC_BOOT_OPTION=$(get_kernel_parameter boot_option)
|
||||
readonly IRONIC_BOOT_MODE=$(get_kernel_parameter boot_mode)
|
||||
readonly ROOT_DEVICE=$(get_kernel_parameter root_device)
|
||||
|
||||
if [ -z "$ISCSI_TARGET_IQN" ]; then
|
||||
err_msg "iscsi_target_iqn is not defined"
|
||||
troubleshoot
|
||||
fi
|
||||
|
||||
t=0
|
||||
while ! target_disk=$(find_disk "$DISK"); do
|
||||
if [ $t -eq 10 ]; then
|
||||
break
|
||||
fi
|
||||
t=$(($t + 1))
|
||||
sleep 1
|
||||
done
|
||||
target_disk=
|
||||
if [[ $ROOT_DEVICE ]]; then
|
||||
target_disk="$(get_root_device)"
|
||||
else
|
||||
t=0
|
||||
while ! target_disk=$(find_disk "$DISK"); do
|
||||
if [ $t -eq 10 ]; then
|
||||
break
|
||||
fi
|
||||
t=$(($t + 1))
|
||||
sleep 1
|
||||
done
|
||||
fi
|
||||
|
||||
if [ -z "$target_disk" ]; then
|
||||
err_msg "Could not find disk to use."
|
||||
|
Loading…
Reference in New Issue
Block a user