talexander/docker_in_freebsd
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Require root and build inside image instead of separate chroot.

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This commit is contained in:
Tom Alexander 2022-02-26 16:53:54 -05:00
parent e57607b3be
commit 3b131ed462
Signed by: talexander
GPG Key ID: D3A179C9A53C0EDE
1 changed files with 32 additions and 34 deletions
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66
scripts/build_image/build_alpine.bash
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@ -9,19 +9,19 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
function cleanup {
for f in "${jails[@]}"; do
>&2 echo "Stopping jail $f"
sudo jail -r "$f"
jail -r "$f"
done
for (( idx=${#mountedfolders[@]}-1 ; idx>=0 ; idx-- )) ; do
>&2 echo "Unmounting folder ${mountedfolders[idx]}"
sudo umount "${mountedfolders[idx]}"
umount "${mountedfolders[idx]}"
done
for f in "${memorydevices[@]}"; do
>&2 echo "Removing memory device $f"
sudo mdconfig -d -u "$f"
mdconfig -d -u "$f"
done
for f in "${folders[@]}"; do
>&2 echo "Deleting $f"
# sudo rm -rf "$f"
# rm -rf "$f"
done
}
folders=()
@ -127,6 +127,10 @@ Mkc=
function precheck {
# Checks to run before building the image
if [ $(id -u) -ne 0 ]; then
die 1 "Must run as root."
fi
if ! grep -q 'linux.ko' <<<"$(kldstat)"; then
die 1 "Need linux kernel module for building initramfs."
fi
@ -165,21 +169,21 @@ function make_chroot {
# Enter the jail
# install mkinitfs
jid=$(sudo jail -c -i path="$chroot" ip4=inherit ip6=inherit host=inherit allow.raw_sockets=true persist)
jid=$(jail -c -i path="$chroot" ip4=inherit ip6=inherit host=inherit allow.raw_sockets=true persist)
jails+=("$jid")
sudo jexec "$jid" apk add --no-cache mkinitfs docker linux-virt
sudo jexec "$jid" apk add --no-cache --repository 'http://dl-cdn.alpinelinux.org/alpine/edge/testing' refind
sudo jexec "$jid" mkinitfs -c /etc/mkinitfs/mkinitfs.conf -b / 5.15.16-0-virt
sudo jexec "$jid" mkdir /boot/efi
sudo jexec "$jid" cp -r /usr/share/refind /boot/efi/boot
sudo jexec "$jid" cp /boot/efi/boot/refind_x64.efi /boot/efi/boot/bootx64.efi
(umask 022 && sudo tee "${chroot}/boot/refind_linux.conf" <<EOF
jexec "$jid" apk add --no-cache mkinitfs docker linux-virt
jexec "$jid" apk add --no-cache --repository 'http://dl-cdn.alpinelinux.org/alpine/edge/testing' refind
jexec "$jid" mkinitfs -c /etc/mkinitfs/mkinitfs.conf -b / 5.15.16-0-virt
jexec "$jid" mkdir /boot/efi
jexec "$jid" cp -r /usr/share/refind /boot/efi/boot
jexec "$jid" cp /boot/efi/boot/refind_x64.efi /boot/efi/boot/bootx64.efi
(umask 022 && tee "${chroot}/boot/refind_linux.conf" <<EOF
"Boot normal" "rw root=PARTLABEL=DIB console=ttyS0,115200"
EOF
)
# Open shell to look/experiment
# sudo jexec "$jid" /bin/sh
# jexec "$jid" /bin/sh
# Remove the resolv.conf file since it should get populated via dhcp
rm "${chroot}/etc/resolv.conf"
@ -188,31 +192,25 @@ EOF
function make_image {
dd if=/dev/zero of="$image_file" bs=1 count=0 seek=10G
local image_device
# image_device=$(sudo mdconfig -a -t vnode -f "$image_file")
image_device=$(sudo mdconfig -f "$image_file")
# image_device=$(mdconfig -a -t vnode -f "$image_file")
image_device=$(mdconfig -f "$image_file")
memorydevices+=("$image_device")
efi_partition="${image_device}p1"
data_partition="${image_device}p2"
sudo gpart create -s gpt "$image_device"
sudo gpart add -t efi -l efi -a4k -s492k "$image_device"
sudo newfs_msdos "${efi_partition}"
sudo gpart add -t linux-data -l DIB -a4k "$image_device"
sudo mkfs.ext4 "/dev/${data_partition}"
gpart create -s gpt "$image_device"
gpart add -t efi -l efi -a4k -s492k "$image_device"
newfs_msdos "${efi_partition}"
gpart add -t linux-data -l DIB -a4k "$image_device"
mkfs.ext4 "/dev/${data_partition}"
sudo mount -t ext2fs "/dev/${data_partition}" "${mount_directory}"
mount -t ext2fs "/dev/${data_partition}" "${mount_directory}"
mountedfolders+=("$mount_directory")
boot_directory="${mount_directory}/boot"
sudo mkdir -p "$boot_directory"
sudo mount_msdosfs "/dev/${efi_partition}" "${boot_directory}"
mkdir -p "$boot_directory"
mount_msdosfs "/dev/${efi_partition}" "${boot_directory}"
mountedfolders+=("$boot_directory")
sudo cp -pr "${chroot}/*" "${mount_directory}/"
# mount -t ext2fs /dev/ada1s1 /mnt
# mountedfolders+=("$mount_directory")
}
function main {
@ -225,17 +223,17 @@ function main {
mkdir "$download_directory"
download_alpine
chroot="${work_directory}/chroot"
mkdir "$chroot"
log "Building chroot in $chroot"
make_chroot
image_directory="${work_directory}/images"
mount_directory="${work_directory}/mount"
mkdir "$image_directory" "$mount_directory"
image_file="$image_directory/dib.img"
make_image
chroot="${mount_directory}"
# mkdir "$chroot"
log "Building chroot in $chroot"
make_chroot
log "Copying final image to $DIR"
cp "$image_file" "$DIR"
}