static-ip-setup

#!/usr/bin/env bash
# Static IP Setup with CoreOS Testing
# Rhys Oxenham <roxenham@redhat.com>

for i in $(nmcli device status | awk '!/lo|DEVICE/ {print $1;}');
do
	mac_address=$(cat /sys/class/net/$i/address)
        if [ "$(cat /etc/static-ip-config.json  | jq ".hosts | has(\"$mac_address\")")" == "true" ];
        then
		ipaddr=$(cat /etc/static-ip-config.json | jq -r ".hosts.\"$mac_address\".ipv4")
		netmask_long=$(cat /etc/static-ip-config.json | jq -r ".hosts.\"$mac_address\".netmask")
		netmask_short=$(ipcalc -p 1.1.1.1 $netmask_long | cut -d "=" -f2)
		gateway=$(cat /etc/static-ip-config.json | jq -r ".hosts.\"$mac_address\".gwv4")
		dns=$(cat /etc/static-ip-config.json | jq -r ".hosts.\"$mac_address\".dns1")
		hostname=$(cat /etc/static-ip-config.json | jq -r ".hosts.\"$mac_address\".hostname")
		nmcli con add type ethernet con-name static-$i ifname $i
		nmcli con modify static-$i ipv4.addresses $ipaddr/$netmask_short ipv4.method manual
                nmcli con modify static-$i ipv4.gateway $gateway ipv4.dns $dns
                nmcli con up static-$i
                nmcli general hostname $hostname
	fi
done