mirror of
https://github.com/xcat2/confluent.git
synced 2026-04-13 04:11:31 +00:00
795645f90a
Make it easier to see and customize image boot script behavior, leaving addons.cpio only to bring up network and set up ssh.
84 lines
3.8 KiB
Bash
84 lines
3.8 KiB
Bash
. /lib/dracut-lib.sh
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mkdir -p /mnt/remoteimg /mnt/remote /mnt/overlay
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if [ "unethered" = $(getarg confluent_imagemethod) ]; then
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mount -t tmpfs untethered /mnt/remoteimg
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curl https://$confluent_mgr/confluent-public/os/$confluent_profile/rootimg.sfs -O /mnt/remoteimg/rootimg.sfs
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else
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confluent_urls="$confluent_urls https://$confluent_mgr/confluent-public/os/$confluent_profile/rootimg.sfs"
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/opt/confluent/bin/urlmount $confluent_urls /mnt/remoteimg
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fi
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mount -o loop,ro /mnt/remoteimg/*.sfs /mnt/remote
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#mount -t tmpfs overlay /mnt/overlay
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modprobe zram
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memtot=$(grep ^MemTotal: /proc/meminfo|awk '{print $2}')
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memtot=$((memtot/2))$(grep ^MemTotal: /proc/meminfo | awk '{print $3'})
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echo $memtot > /sys/block/zram0/disksize
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mkfs.xfs /dev/zram0
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mount /dev/zram0 /mnt/overlay
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mkdir -p /mnt/overlay/upper /mnt/overlay/work
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mount -t overlay -o upperdir=/mnt/overlay/upper,workdir=/mnt/overlay/work,lowerdir=/mnt/remote disklessroot /sysroot
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mkdir -p /sysroot/etc/ssh
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mkdir -p /sysroot/etc/confluent
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mkdir -p /sysroot/root/.ssh
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cp /root/.ssh/* /sysroot/root/.ssh
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chmod 700 /sysroot/root/.ssh
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cp /etc/confluent/* /sysroot/etc/confluent/
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cp /etc/ssh/*key* /sysroot/etc/ssh/
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for pubkey in /etc/ssh/ssh_host*key.pub; do
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certfile=${pubkey/.pub/-cert.pub}
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privfile=${pubkey%.pub}
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if [ -s $certfile ]; then
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echo HostCertificate $certfile >> /sysroot/etc/ssh/sshd_config
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fi
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echo HostKey $privfile >> /sysroot/etc/ssh/sshd_config
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done
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mkdir -p /sysroot/dev /sysroot/sys /sysroot/proc /sysroot/run
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if [ ! -z "$autocons" ]; then
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autocons=${autocons%,*}
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mkdir -p /run/systemd/generator/getty.target.wants
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ln -s /usr/lib/systemd/system/serial-getty@.service /run/systemd/generator/getty.target.wants/serial-getty@${autocons}.service
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fi
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while [ ! -e /sysroot/sbin/init ]; do
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echo "Failed to access root filesystem or it is missing /sbin/init"
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echo "System should be accessible through ssh at port 2222 with the appropriate key"
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while [ ! -e /sysroot/sbin/init ]; do
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sleep 1
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done
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done
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rootpassword=$(grep ^rootpassword: /etc/confluent/confluent.deploycfg)
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rootpassword=${rootpassword#rootpassword: }
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if [ "$rootpassword" = "null" ]; then
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rootpassword=""
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fi
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if [ ! -z "$rootpassword" ]; then
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sed -i "s@root:[^:]*:@root:$rootpassword:@" /sysroot/etc/shadow
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fi
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for i in /ssh/*.ca; do
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echo '@cert-authority *' $(cat $i) >> /sysroot/etc/ssh/ssh_known_hosts
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done
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echo HostbasedAuthentication yes >> /sysroot/etc/ssh/sshd_config
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echo HostbasedUsesNameFromPacketOnly yes >> /sysroot/etc/ssh/sshd_config
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echo IgnoreRhosts no >> /sysroot/etc/ssh/sshd_config
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sshconf=/sysroot/etc/ssh/ssh_config
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if [ -d /sysroot/etc/ssh/ssh_config.d/ ]; then
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sshconf=/sysroot/etc/ssh/ssh_config.d/01-confluent.conf
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fi
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echo 'Host *' >> $sshconf
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echo ' HostbasedAuthentication yes' >> $sshconf
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echo ' EnableSSHKeysign yes' >> $sshconf
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echo ' HostbasedKeyTypes *ed25519*' >> $sshconf
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curl -sf -H "CONFLUENT_NODENAME: $nodename" -H "CONFLUENT_APIKEY: $(cat /etc/confluent/confluent.apikey)" https://$confluent_mgr/confluent-api/self/nodelist > /sysroot/etc/ssh/shosts.equiv
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cp /sysroot/etc/ssh/shosts.equiv /sysroot/root/.shosts
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chmod 640 /sysroot/etc/ssh/*_key
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chroot /sysroot chgrp ssh_keys /etc/ssh/*_key
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chroot /sysroot cat /etc/confluent/ca.pem >> /etc/pki/tls/certs/ca-bundle.crt
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curl -sf https://$confluent_mgr/confluent-public/os/$confluent_profile/scripts/onboot.service > /sysroot/etc/systemd/system/onboot.service
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mkdir -p /sysroot/opt/confluent/bin
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curl -sf https://$confluent_mgr/confluent-public/os/$confluent_profile/scripts/onboot.sh > /sysroot/opt/confluent/bin/onboot.sh
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chmod +x /sysroot/opt/confluent/bin/onboot.sh
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ln -s /etc/systemd/system/onboot.service /sysroot/etc/systemd/system/multi-user.target.wants/onboot.service
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cp /etc/confluennt/functions /sysroot/etc/confluent/functions
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exec /opt/confluent/bin/start_root
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