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confluent/confluent_osdeploy/el7/profiles/default/scripts/pre.sh
T
Jarrod Johnson 94c1683663 Add support for specifying tpm2 pcrs in the encryptboot attribute
This allows a user to opt into pcrs if they understand what they are doing.

Some PCRs are sensitive to firmware updates and some are sensitive to boot loader, kernel, boot config, or initramfs.  All of these are an opportunity for an unsuspecting update to remove access to the boot volume.  There are update processes that can be put into place to make this work,
but it is up to the OS update process to address that, and
OS update processes are likely not to address that at this time.
2026-08-06 16:07:19 -04:00

88 lines
3.7 KiB
Bash

#!/bin/sh
# This runs prior to the installer beginning. This is used to rewrite the
# scripted install file, merging data from confluent and identifying
# the most appropriate install source.
# If you want to use a more custom partition plan, the easiest
# method is to edit the kicktstart file and comment out or
# delete %include /tmp/partitioning
if [ -f "/run/install/cmdline.d/01-autocons.conf" ]; then
consoledev=$(cat /run/install/cmdline.d/01-autocons.conf | sed -e 's!console=!/dev/!' -e 's/,.*//')
TMUX= tmux a <> $consoledev >&0 2>&1 &
fi
exec >> /tmp/confluent-pre.log
exec 2>> /tmp/confluent-pre.log
chmod 600 /tmp/confluent-pre.log
tail -f /tmp/confluent-pre.log > /dev/tty &
logshowpid=$!
nodename=$(grep ^NODENAME /etc/confluent/confluent.info|awk '{print $2}')
locale=$(grep ^locale: /etc/confluent/confluent.deploycfg)
locale=${locale#locale: }
keymap=$(grep ^keymap: /etc/confluent/confluent.deploycfg)
keymap=${keymap#keymap: }
echo lang $locale > /tmp/langinfo
echo keyboard --vckeymap=$keymap >> /tmp/langinfo
tz=$(grep ^timezone: /etc/confluent/confluent.deploycfg)
tz=${tz#timezone: }
ntpsrvs=""
if grep ^ntpservers: /etc/confluent/confluent.deploycfg > /dev/null; then
ntpsrvs="--ntpservers="$(sed -n '/^ntpservers:/,/^[^-]/p' /etc/confluent/confluent.deploycfg|sed 1d|sed '$d' | sed -e 's/^- //' | paste -sd,)
fi
echo timezone $ntpsrvs $tz --utc > /tmp/timezone
rootpw=$(grep ^rootpassword /etc/confluent/confluent.deploycfg | awk '{print $2}')
if [ "$rootpw" = null ]; then
echo "rootpw --lock" > /tmp/rootpw
else
echo "rootpw --iscrypted $rootpw" > /tmp/rootpw
fi
curl -sf https://$confluent_mgr/confluent-public/os/$confluent_profile/profile.yaml > /tmp/instprofile.yaml
blargs=$(grep ^installedargs: /tmp/instprofile.yaml | sed -e 's/#.*//' -e 's/^installedargs: //')
if [ ! -z "$blargs" ]; then
blargs=' --append="'$blargs'"'
fi
grubpw=$(grep ^grubpassword /etc/confluent/confluent.deploycfg | awk '{print $2}')
if [ "$grubpw" = "null" ]; then
touch /tmp/grubpw
else
blargs=" --iscrypted --password=$grubpw $blargs"
fi
if [ ! -z "$blargs" ]; then
echo "bootloader $blargs" > /tmp/grubpw
fi
ssh-keygen -A
for pubkey in /etc/ssh/ssh_host*key.pub; do
certfile=${pubkey/.pub/-cert.pub}
curl -sf -X POST -H "CONFLUENT_NODENAME: $nodename" -H "CONFLUENT_APIKEY: $(cat /etc/confluent/confluent.apikey)" -d @$pubkey https://$confluent_mgr/confluent-api/self/sshcert > $certfile
echo HostCertificate $certfile >> /etc/ssh/sshd_config.anaconda
done
/usr/sbin/sshd -f /etc/ssh/sshd_config.anaconda
cryptboot=$(grep ^encryptboot: /etc/confluent/confluent.deploycfg | awk '{print $2}')
LUKSPARTY=''
touch /tmp/addonpackages
if [ "$cryptboot" == "tpm2" ] || [ "${cryptboot#tpm2:}" != "$cryptboot" ]; then
LUKSPARTY="--encrypted --passphrase=$(cat /etc/confluent/confluent.apikey)"
echo $cryptboot >> /tmp/cryptboot
fi
export confluent_mgr confluent_profile nodename
curl -sf https://$confluent_mgr/confluent-public/os/$confluent_profile/scripts/functions > /tmp/functions
. /tmp/functions
run_remote pre.custom
run_remote_parts pre.d
if [ ! -e /tmp/installdisk ]; then
run_remote_python getinstalldisk
fi
if [ -e /tmp/installdisk -a ! -e /tmp/partitioning ]; then
echo clearpart --all --initlabel >> /tmp/partitioning
echo ignoredisk --only-use $(cat /tmp/installdisk) >> /tmp/partitioning
echo autopart --nohome $LUKSPARTY >> /tmp/partitioning
fi
if [ -f /opt/confluent/bin/apiclient ]; then
python /opt/confluent/bin/apiclient /confluent-public/os/$confluent_profile/kickstart.custom -o /tmp/kickstart.custom
else
python /etc/confluent/apiclient /confluent-public/os/$confluent_profile/kickstart.custom -o /tmp/kickstart.custom
fi
kill $logshowpid