File initial_setup_prg2.sh of Package opensuse-infrastructure-vm-bootstrap

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File initial_setup_prg2.sh of Package opensuse-infrastructure-vm-bootstrap

#!/bin/sh
# Fork from initial_setup.sh (credits to the original author)
# Optimized for virtual machines in our PRG2 location - Georg Pfuetzenreuter <mail+opensuse@georg-pfuetzenreuter.net>

set -e

SALTMASTER='2a07:de40:b27e:1200::a'

CHECKFILE='/var/adm/opensuse_infra_bootstrapped'

if [ -f "$CHECKFILE" ]
then
	echo 'Machine seems to already be bootstrapped, refusing to operate.'
	exit 1
fi

help() {
	echo
	echo 'First boot configuration for infra.opensuse.org VMs hosted in PRG2'
	echo
	echo 'Options:'
	echo '-n VM_HOSTNAME      Short hostname (NOT the FQDN)'
	echo '-v VM_VLAN          Short VLAN name (NOT the ID), starting with "os-"'
	echo '-i VM_IP_ADDRESS    Free IPv6 address inside this VLAN including the prefix'
	echo '-g VM_GATEWAY_IP    Default gateway of this VLAN'
	echo '-r REBOOT           Set to "no" to prevent the default automatic reboot'
	echo
}

while getopts n:v:i:g:r:h arg; do
	case ${arg} in
		n) VM_HOSTNAME="${OPTARG}" ;;
		v) VM_VLAN="${OPTARG}" ;;
		i) VM_IP="${OPTARG}" ;;
		g) VM_GWIP="${OPTARG}" ;;
		r) REBOOT="${OPTARG}" ;;
		h) help && exit ;;
		*) help && exit 1 ;;
	esac
done

if [ -z "$VM_HOSTNAME" ] || [ -z "$VM_IP" ] || [ -z "$VM_GWIP" ]
then
	help
	exit 1
fi

if echo "$VM_HOSTNAME" | grep -F '.'
then
	echo 'Please provide the short hostname and NOT a domain.'
	exit 1
fi

if ! echo "$VM_VLAN" | grep -q '^os-'
then
	echo 'VLAN name does not match expected format.'
	exit 1
fi

if [ -z "$REBOOT" ]
then
	REBOOT='yes'
fi

set -Cu

#
# Network interface
#
if ! ip -br l sh | grep eth0 >/dev/null
then
	echo 'Cannot locate default interface'
	exit 1
fi

rm -f /etc/sysconfig/network/ifcfg-eth0 /etc/sysconfig/network/routes

sed -i -e "s/eth0/$VM_VLAN/" /etc/udev/rules.d/70-persistent-net.rules
printf 'BOOTPROTO=static\nSTARTMODE=auto\nIPADDR_0=%s\n' "$VM_IP" > "/etc/sysconfig/network/ifcfg-$VM_VLAN"
printf 'default %s\n' "$VM_GWIP" > /etc/sysconfig/network/routes

#
# Hostname
#
FQDN="$VM_HOSTNAME.infra.opensuse.org"
hostnamectl set-hostname "$FQDN"
printf '%s %s %s\n' "${VM_IP%/*}" "$FQDN" "$VM_HOSTNAME" >> /etc/hosts

#
# Salt
#
printf 'salt_cluster: opensuse\n' > /etc/salt/grains
printf 'master: %s\nsaltenv: production\nhash_type: sha512\nipv6: True\n' "$SALTMASTER" > /etc/salt/minion.d/bootstrap.conf

#
# Services
#
systemctl enable salt-minion sshd

#
# Finalize
#
zypper -n rm opensuse-infrastructure-vm-bootstrap
touch "$CHECKFILE"
if [ "$REBOOT" = 'yes' ]
then
	shutdown -r now 'Rebooting to apply first boot configuration ...'
fi

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File initial_setup_prg2.sh of Package opensuse-infrastructure-vm-bootstrap

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