Build inside of an image
This commit is contained in:
Dennis ten Hoove
parent
482e8fe189
commit
ab92684ffa
2 changed files with 21 additions and 55 deletions
74
arkdep-build
74
arkdep-build
|
|
@ -18,16 +18,10 @@ cleanup_and_quit () {
|
|||
exit 1
|
||||
fi
|
||||
|
||||
umount -l $workdir
|
||||
umount -l $build_image_mountpoint
|
||||
|
||||
btrfs property set -ts $workdir ro false
|
||||
btrfs property set -ts $workdir/etc ro false
|
||||
btrfs property set -ts $workdir/var ro false
|
||||
|
||||
# Remove temporary btrfs volumes
|
||||
rm -rf $workdir/etc \
|
||||
$workdir/var \
|
||||
$workdir
|
||||
rm $build_image
|
||||
rm -rf $build_image_mountpoint
|
||||
|
||||
# Quit program if argument provided to function
|
||||
if [[ -n $1 ]]; then
|
||||
|
|
@ -41,8 +35,11 @@ cleanup_and_quit () {
|
|||
|
||||
## Set common variables
|
||||
#
|
||||
declare -r workdir='/var/tmp/rootfs'
|
||||
declare -r build_image='/var/tmp/arkdep-build.img'
|
||||
declare -r build_image_mountpoint='/var/tmp/arkdep-build'
|
||||
declare -r workdir="$build_image_mountpoint/rootfs"
|
||||
declare -r variant="$1"
|
||||
declare -r build_image_size='15G'
|
||||
|
||||
if [[ -v ARKDEP_CONFIGS ]]; then
|
||||
declare -r configsdir="$ARKDEP_CONFIGS"
|
||||
|
|
@ -137,58 +134,29 @@ fi
|
|||
if [[ $type == 'archlinux' ]]; then
|
||||
|
||||
# Ensure bootstrap.list exists, if not error and quit
|
||||
# This is the mimimum requirement to perform a build and this checked first
|
||||
if [[ ! -e $variantdir/bootstrap.list ]]; then
|
||||
printf "\e[1;31m<#>\e[0m\e[1m The required file 'bootstrap.list' is not preset in $(readlink -m $variantdir)\e[0m\n"
|
||||
printf "\e[1;31m<#>\e[0m\e[1m The required file 'bootstrap.list' is not preset in $variantdir\e[0m\n"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
printf '\e[1;34m-->\e[0m\e[1m Started Arch linux image build\e[0m\n'
|
||||
|
||||
# Allow user to reuse subvolumes for testing
|
||||
if [[ ! $ARKDEP_STATIC_WORKDIR -eq 1 ]] && [[ ! -d $workdir ]]; then
|
||||
# Create temporary Btrfs subvolume
|
||||
printf "\e[1;34m-->\e[0m\e[1m Creating temporary Btrfs subvolumes at $(readlink -m $workdir)\e[0m\n"
|
||||
btrfs subvolume create $workdir || cleanup_and_quit "Failed to create btrfs subvolume $(readlink -m $workdir)"
|
||||
btrfs subvolume create $workdir/etc || cleanup_and_quit "Failed to create btrfs subvolume $(readlink -m $workdir/etc)"
|
||||
btrfs subvolume create $workdir/var || cleanup_and_quit "Failed to create btrfs subvolume $(readlink -m $workdir/var)"
|
||||
elif [[ ! $ARKDEP_STATIC_WORKDIR -eq 1 ]]; then
|
||||
cleanup_and_quit "Failed to create btrfs subvolume $workdir for it already exists"
|
||||
else
|
||||
printf "\e[1;34m-->\e[0m\e[1m Returning $(readlink -m $workdir) to a workable state, this should be done for testing only\e[0m\n"
|
||||
printf '\e[1;34m-->\e[0m\e[1m Creating disk image\e[0m\n'
|
||||
fallocate -l $build_image_size $build_image || cleanup_and_quit "Failed to create disk image at $build_image"
|
||||
mkfs.btrfs -f $build_image || cleanup_and_quit "Failed to partition $build_image"
|
||||
|
||||
# Get the rootfs working again, this should only be done for testing
|
||||
for file in passwd group shadow; do
|
||||
mv $workdir/usr/lib/$file $workdir/etc/$file
|
||||
done
|
||||
printf "\e[1;34m-->\e[0m\e[1m Mounting $build_image at $workdir\e[0m\n"
|
||||
# The data is compressed to minimize writes to the disk, the actual export does not maintain this compression
|
||||
mount -m -t btrfs -o loop,compress=zstd $build_image $build_image_mountpoint || cleanup_and_quit "Failed to mount disk image to $workdir"
|
||||
|
||||
btrfs property set -ts $workdir ro false || cleanup_and_quit 'Failed to set root to read-only'
|
||||
btrfs property set -ts $workdir/etc ro false || cleanup_and_quit 'Failed to set etc to read-only'
|
||||
btrfs property set -ts $workdir/var ro false || cleanup_and_quit 'Failed to set var to read-only'
|
||||
# Create temporary Btrfs subvolume
|
||||
printf "\e[1;34m-->\e[0m\e[1m Creating temporary Btrfs subvolumes at $workdir\e[0m\n"
|
||||
btrfs subvolume create $workdir/ || cleanup_and_quit "Failed to create btrfs subvolume $workdir)"
|
||||
btrfs subvolume create $workdir/etc || cleanup_and_quit "Failed to create btrfs subvolume $workdir/etc)"
|
||||
btrfs subvolume create $workdir/var || cleanup_and_quit "Failed to create btrfs subvolume $workdir/var)"
|
||||
|
||||
echo 'root:x:0:0::/root:/bin/bash' | tee -a $workdir/etc/passwd
|
||||
echo 'root:x:0:root' | tee -a $workdir/etc/group
|
||||
echo 'root:!::::::' | tee -a $workdir/etc/shadow
|
||||
|
||||
rm $workdir/var/usr/local
|
||||
mv $workdir/var/usrlocal $workdir/usr/local
|
||||
|
||||
rm $workdir/usr/lib/locale
|
||||
mv $workdir/var/usrliblocale $workdir/usr/lib/locale
|
||||
|
||||
rm $workdir/opt
|
||||
mv $workdir/var/opt $workdir/opt
|
||||
|
||||
# srv symlink
|
||||
rm $workdir/srv
|
||||
mv $workdir/var/srv $workdir/srv
|
||||
|
||||
# mnt symlink
|
||||
rm $workdir/mnt
|
||||
mv $workdir/var/mnt $workdir/mnt
|
||||
fi
|
||||
|
||||
printf "\e[1;34m-->\e[0m\e[1m Creating bind mount at $(readlink -m $workdir)\e[0m\n"
|
||||
mount --bind $workdir $workdir
|
||||
printf "\e[1;34m-->\e[0m\e[1m Mounting $build_image at $workdir\e[0m\n"
|
||||
|
||||
# Read base package list and install base system
|
||||
readarray bootstrap_packages < $variantdir/bootstrap.list
|
||||
|
|
|
|||
|
|
@ -18,8 +18,6 @@ Overwrite the location to which images will be written.
|
|||
Define a directory in which arkdep-build will search for variant configuration files.
|
||||
.SS ARKDEP_NO_CLEANUP
|
||||
Do not remove the temporary rootfs upon error or completion.
|
||||
.SS ARKDEP_STATIC_WORKDIR
|
||||
Reset workdir back to workable state if still present.
|
||||
.SH EXAMPLES
|
||||
.SS arkdep-build arkanelinux
|
||||
Build the arkanelinux variant in \fB./arkdep-build.d/arkanelinux\fR.
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue