alpine-overlay/kubezero/zdt-base/zdt-base.post-install

#!/bin/sh

. /lib/tiny-cloud/common

# Enable SSH keepalive
sed -i -e 's/^[\s#]*TCPKeepAlive\s.*/TCPKeepAlive yes/' -e 's/^[\s#]*ClientAliveInterval\s.*/ClientAliveInterval 60/' /etc/ssh/sshd_config
echo 'enabled SSH keep alives'

# openRC
sed -i -e 's/^[\s#]*rc_cgroup_mode=.*/rc_cgroup_mode="unified"/' /etc/rc.conf
sed -i -e 's/^[\s#]*rc_logger=.*/rc_logger="YES"/' /etc/rc.conf
echo 'enabled cgroupv2, openRC logging'

# speed up dhcpcd and chronyd
add_once /etc/dhcpcd.conf noarp >/dev/null
sed -i -e 's/^[\s#]*FAST_STARTUP=.*/FAST_STARTUP=yes/' /etc/conf.d/chronyd

# OpenRC parallel - causes too much chaos
#sed -i -e 's/^[\s#]*rc_parallel=.*/rc_parallel="YES"/' /etc/rc.conf
#echo 'enable parallel openRC'

# Setup syslog-ng json logging and apparmor tweaks
cp /lib/zdt/syslog-ng.conf /etc/syslog-ng/syslog-ng.conf
cp /lib/zdt/syslog-ng.logrotate.conf /etc/logrotate.d/syslog-ng
cp /lib/zdt/syslog-ng.apparmor /etc/apparmor.d/local/sbin.syslog-ng

[ -f /etc/periodic/daily/logrotate ] && mv /etc/periodic/daily/logrotate /etc/periodic/hourly/
echo 'syslog-ng: all to /var/log/messages as json, rotate hourly'

# use init to spawn monit
add_once /etc/inittab ":2345:respawn:/usr/bin/monit -Ic /etc/monitrc.zdt" >/dev/null
echo 'Enable monit via inittab'

# QoL - color prompt even for doas bash
[ -f /etc/profile.d/color_prompt.sh.disabled ] && mv /etc/profile.d/color_prompt.sh.disabled /etc/profile.d/color_prompt.sh
ln -sf /etc/profile.d/color_prompt.sh /etc/bash/color_prompt.sh

cat <<EOF > /etc/profile.d/zdt-alias.sh
alias rs='doas bash'
alias sudo='doas'
alias cu='doas cat /var/log/user-data.log'
alias cl="doas cat /var/log/messages | jq -r '\"\(.time): \(.message)\"'"
alias tl="doas tail -f /var/log/messages | jq -r '\"\(.time): \(.message)\"'"
EOF