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confluent/confluent_osdeploy/suse15/profiles/hpc/scripts/setupssh.sh
Jarrod Johnson d17b1d060c Prepend confluent_ to vars and switch to explicitly requesting directory
The 'profile' variable notably induces dracut to be excruciatingly slow,
mitigate chance by putting confluent before apikey, mgr, and profile.

Further, it has been requested to have the scripts use same name on
server for directory moving forward. Implement this request while
allowing existing OS profiles to keep working.
2021-05-03 12:48:08 -04:00

35 lines
1.6 KiB
Bash

#!/bin/bash
# Carry over install-time ssh material into installed system
mkdir -p /mnt/root/.ssh/
chmod 700 /mnt/root/.ssh/
cp /root/.ssh/authorized_keys /mnt/root/.ssh/
chmd 600 /mnt/root/.ssh/authorized_keys
cp /etc/ssh/*key* /mnt/etc/ssh/
for i in /etc/ssh/*-cert.pub; do
echo HostCertificate $i >> /mnt/etc/ssh/sshd_config
done
for i in /ssh/*.ca; do
echo '@cert-authority *' $(cat $i) >> /mnt/etc/ssh/ssh_known_hosts
done
# Enable ~/.shosts, for the sake of root user, who is forbidden from using shosts.equiv
echo IgnoreRhosts no >> /mnt/etc/ssh/sshd_config
echo HostbasedAuthentication yes >> /mnt/etc/ssh/sshd_config
echo HostbasedUsesNameFromPacketOnly yes >> /mnt/etc/ssh/sshd_config
echo Host '*' >> /mnt/etc/ssh/ssh_config
echo " HostbasedAuthentication yes" >> /mnt/etc/ssh/ssh_config
echo " EnableSSHKeysign yes" >> /mnt/etc/ssh/ssh_config
# Limit the attempts of using host key. This prevents client from using 3 or 4
# authentication attempts through host based attempts
echo " HostbasedKeyTypes *ed25519*" >> /mnt/etc/ssh/ssh_config
# In SUSE platform, setuid for ssh-keysign is required for host based,
# and also must be opted into.
echo /usr/lib/ssh/ssh-keysign root:root 4711 >> /mnt/etc/permissions.local
chmod 4711 /mnt/usr/lib/ssh/ssh-keysign
# Download list of nodes from confluent, and put it into shosts.equiv (for most users) and .shosts (for root)
curl -f -H "CONFLUENT_NODENAME: $nodename" -H "CONFLUENT_APIKEY: $(cat /etc/confluent/confluent.apikey)" https://$confluent_mgr/confluent-api/self/nodelist > /tmp/allnodes
cp /tmp/allnodes /mnt/root/.shosts
cp /tmp/allnodes /mnt/etc/ssh/shosts.equiv