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Further advance the confluent diskless support

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This commit is contained in:
Jarrod Johnson
2021-05-14 15:58:57 -04:00
parent 103b398629
commit 90daf5d5e3
2 changed files with 27 additions and 4 deletions
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27
confluent_osdeploy/diskless/build/genimage
View File

@@ -1,4 +1,5 @@
installroot=$1
destdir=$2
touch $installroot/.testcap
if setcap cap_net_raw+p $installroot/.testcap >& /dev/null; then
@@ -7,9 +8,29 @@ else
capsargs="--setopt=tsflags=nocapps"
fi
rm $installroot/.testcap
yum $capsargs --releasever=8 --installroot=/var/tmp/testgenimage/ --releasever=8.3 install '@minimal-environment' chrony kernel net-tools nfs-utils openssh-server rsync tar util-linux python3 tar dracut dracut-network ethtool parted openssl dhclient openssh-clients bash vim-minimal rpm iputils shim-x64 grub2-efi-x64
dracut -v --xz -N -m "stateless base terminfo" -f boot/initramfs-diskless 4.18.0-240.22.1.el8_3.x86_64
pkglist=$(cat $(dirname $0)/pkglist | tr "\r\n" " ")
mydir=$(dirname $0)
mkdir -p $installroot/proc $installroot/sys $installroot/dev
unshare -f -p -m bash -c "
mount -o bind /proc $installroot/proc
mount -o bind /sys $installroot/sys
mount -o bind /dev $installroot/dev
yum -y $capsargs --releasever=8 --installroot=$installroot install $pkglist
cp -a $dirname/dracut $installroot/usr/lib/dracut/modules.d/97diskless
chmod a+x $installroot/usr/lib/dracut/modules.d/97diskless/*
for kernel in $(ls $installroot/boot/vmlinuz-*|grep -v rescue|sed -e s/.*vmlinuz-//); do
echo -n "Creating diskless initramfs for $kernel"
chroot $installroot dracut -v --xz -N -m "diskless base terminfo" -f boot/initramfs-diskless-$kernel.img $kernel
done
"
latestkernel=$(ls $installroot/boot/vmlinuz-*|grep -v rescue|sed -e s/.*vmlinuz-//|tail -n 1)
mkdir -p $destdir/boot/efi/boot $destdir/boot/initramfs
cp $installroot/boot/vmlinuz-$latestkernel $destdir/boot/kernel
cp $installroot/boot/initramfs-diskless-$kernel.img $destdir/boot/initramfs/distribution
cp $installroot/boot/efi/EFI/BOOT/BOOTX64.EFI $destdir/boot/efi/boot
cp $installroot/boot/efi/EFI/centos/grubx64.efi $destdir/boot/efi/boot
# link kernel, initrd, grub, and shim as appropriate
# use xz, minimize https burden and transfer penalty
mksquashfs -comp xz
mksquashfs $installroot $destdir/rootimg.sfs -comp xz

4
confluent_osdeploy/diskless/initramfs/usr/lib/dracut/hooks/cmdline/10-confluentdiskless.sh
View File

@@ -129,8 +129,10 @@ for addr in $(grep ^MANAGER: /etc/confluent/confluent.info|awk '{print $2}'|sed
confluent_urls="$confluent_urls $confluent_proto://$addr/confluent-public/os/$confluent_profile/rootimg.sfs"
fi
done
confluent_mgr=$(grep ^deploy_server: /etc/confluent/confluent.deploycfg| awk '{print $2}')
confluent_urls="$confluent_urls https://$confluent_mgr/confluent-public/os/$confluent_profile/rootimg.sfs"
mkdir -p /mnt/remoteimg /mnt/remote /mnt/overlay
curlmount $confluent_urls /mnt/remoteimg
/opt/confluent/bin/urlmount $confluent_urls /mnt/remoteimg
mount -o loop,ro /mnt/remoteimg/*.sfs /mnt/remote
mount -t tmpfs overlay /mnt/overlay
mkdir -p /mnt/overlay/upper /mnt/overlay/work