alpine-zdt-images/scripts/nvme/nvme-ebs-links
Jake Buchholz 396bb8ab86 Build Profiles and 3.9.4
* Build Profiles (completion of PR #49)
+ auto-updates version profile when new release detected
+ updates releases/<profile>.yaml after successful builds
* Prune AMIs (in AWS and in releases/<profile>.yaml
+ 'revision' - keep latest revision per release
+ 'release' - keep latest release per version
+ 'version' - remove end-of-life versions
* releases/README.md updater script
* README overhaul
+ Pre-built AMIs --> releases/README.md
+ profiles/README.md for profile configuration details
+ main README.md overhauled to go over how to build and manage custom AMIs
2019-07-05 12:51:09 -07:00

45 lines
1.2 KiB
Bash
Executable File

#!/bin/sh
[ -x /usr/sbin/nvme ] || exit
PROC="$(basename "$0")[$$]"
log() {
FACILITY="kern.$1"
shift
logger -s -p "$FACILITY" -t "$PROC" "$@"
}
raw_ebs_alias() {
/usr/sbin/nvme id-ctrl "/dev/$BASE" -b 2>/dev/null | dd bs=32 skip=96 count=1 2>/dev/null
}
case $ACTION in
add|"")
BASE=$(echo "$MDEV" | sed -re 's/^(nvme[0-9]+n[0-9]+).*/\1/')
PART=$(echo "$MDEV" | sed -re 's/nvme[0-9]+n[0-9]+p?//g')
MAXTRY=50
TRY=0
until [ -n "$EBS" ]; do
EBS=$(raw_ebs_alias | sed -nre '/^(\/dev\/)?(s|xv)d[a-z]{1,2} /p' | tr -d ' ')
[ -n "$EBS" ] && break
TRY=$((TRY + 1))
if [ $TRY -eq $MAXTRY ]; then
log err "Failed to get EBS volume alias for $MDEV after $MAXTRY attempts ($(raw_ebs_alias))"
exit 1
fi
sleep 0.1
done
# remove any leading '/dev/', 'sd', or 'xvd', and append partition
EBS="${${${EBS#/dev/}#sd}#xvd}$PART"
ln -sf "$MDEV" "sd$EBS" && log notice "Added sd$EBS symlink for $MDEV"
ln -sf "$MDEV" "xvd$EBS" && log notice "Added xvd$EBS symlink for $MDEV"
;;
remove)
for TARGET in sd* xvd*
do
[ "$(readlink "$TARGET" 2>/dev/null)" = "$MDEV" ] && rm -f "$TARGET" && log notice "Removed $TARGET symlink for $MDEV"
done
;;
esac