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Add sensible sorting of kernel removals

This commit is contained in:
Joshua Boniface 2023-09-01 15:42:25 -04:00
parent 2a72a826f5
commit 57e5953fd1
1 changed files with 7 additions and 4 deletions
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11
roles/base/templates/usr/local/sbin/kernel-cleanup.sh.j2
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@ -7,7 +7,7 @@
RUNNING_KERNEL="$( uname -v | awk '{ print $4 }' )" RUNNING_KERNEL="$( uname -v | awk '{ print $4 }' )"
# Determine the list of installed kernels (latest is always last) # Determine the list of installed kernels (latest is always last)
INSTALLED_KERNELS=( $( dpkg -l | grep 'linux-image-[0-9]' | awk '{ print $3 }' ) ) INSTALLED_KERNELS=( $( dpkg -l | grep 'linux-image-[0-9]' | awk '{ print $3 }' | sort -n ) )
NUM_INSTALLED=${{ '{#' }}INSTALLED_KERNELS[@]} NUM_INSTALLED=${{ '{#' }}INSTALLED_KERNELS[@]}
if [[ ${NUM_INSTALLED} -le 1 ]]; then if [[ ${NUM_INSTALLED} -le 1 ]]; then
@ -17,9 +17,9 @@ fi
LATEST_KERNEL="${INSTALLED_KERNELS[-1]}" LATEST_KERNEL="${INSTALLED_KERNELS[-1]}"
if [[ ${LATEST_KERNEL} == ${RUNNING_KERNEL} ]]; then if [[ ${LATEST_KERNEL} == ${RUNNING_KERNEL} ]]; then
force="--allow-remove-essential"
else
force="" force=""
else
force="--allow-remove-essential"
fi fi
# Remove the latest kernel from the array # Remove the latest kernel from the array
@ -28,7 +28,7 @@ REMOVABLE_KERNELS=( ${INSTALLED_KERNELS[@]:0:${NUM_REMOVABLE}} )
PURGE_PACKAGES=() PURGE_PACKAGES=()
for KERNEL in ${REMOVABLE_KERNELS[@]}; do for KERNEL in ${REMOVABLE_KERNELS[@]}; do
PURGE_PACKAGES+=( $( dpkg -l | grep ${KERNEL} | awk '{ print $2 }' ) ) PURGE_PACKAGES+=( $( dpkg -l | grep ${KERNEL} | grep -v 'linux-image-amd64\|linux-headers-amd64' | awk '{ print $2 }' ) )
done done
# Override the "linux-check-removal" script # Override the "linux-check-removal" script
@ -48,4 +48,7 @@ if [[ $( dpkg -l | grep 'linux-image-[0-9]' | wc -l ) -lt 1 ]]; then
echo "WARNING: NO KERNEL IS INSTALLED. THROWING ERROR AND ABORTING." echo "WARNING: NO KERNEL IS INSTALLED. THROWING ERROR AND ABORTING."
exit 1 exit 1
fi fi
update-grub
exit 0 exit 0