--- /dev/null
+#!/bin/sh
+########################################################################
+# Begin $rc_base/init.d/aws
+########################################################################
+
+. /etc/sysconfig/rc
+. ${rc_functions}
+
+MD_URL="http://169.254.169.254/latest/meta-data"
+
+# https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/identify_ec2_instances.html
+running_on_ec2() {
+ local uuid
+
+ # Check if the hypervisor UUID starts with ec2
+ if [ -r "/sys/hypervisor/uuid" ]; then
+ uuid=$(</sys/hypervisor/uuid)
+
+ [ "${uuid:0:3}" = "ec2" ] && return 0
+ fi
+
+ # Check if the DMI product UUID starts with EC2
+ if [ -r "/sys/devices/virtual/dmi/id/product_uuid" ]; then
+ uuid=$(</sys/devices/virtual/dmi/id/product_uuid)
+
+ [ "${uuid:0:3}" = "EC2" ] && return 0
+ fi
+
+ # We are not running on AWS EC2
+ return 1
+}
+
+case "${1}" in
+ start)
+ # Do nothing if we are not running on AWS EC2
+ running_on_ec2 || exit 0
+
+ boot_mesg "Setting up system to run on AWS EC2..."
+
+ # Find the first interface to use
+ for i in /sys/class/net/*; do
+ [ -d "${i}" ] || continue
+ i=$(basename ${i})
+
+ # Skip loopback
+ [ "${i}" = "lo" ] && continue
+
+ # Use whatever we have found
+ intf="${i}"
+ break
+ done
+
+ # Check if we found a network interface
+ if [ ! -n "${intf}" ]; then
+ echo_failure
+
+ boot_mesg -n "Could not find a network interface" ${FAILURE}
+ boot_mesg "" ${NORMAL}
+ fi
+
+ # Assign ourselves an IP address to communicate with the meta-data service
+ ip addr add 169.254.169.1/24 dev "${intf}"
+ ip link set "${intf}" up
+
+ # Initialise system settings
+ if [ ! -s "/var/ipfire/main/settings" ]; then
+ hostname=$(curl ${MD_URL}/local-hostname)
+
+ (
+ echo "HOSTNAME=${hostname%%.*}"
+ echo "DOMAINNAME=${hostname#*.}"
+ echo "THEME=ipfire"
+ echo "LANGUAGE=en"
+ echo "KEYMAP=/lib/kbd/keymaps/i386/qwerty/us.map.gz"
+ echo "TIMEZONE=/usr/share/zoneinfo/posix/UTC"
+ ) > /var/ipfire/main/settings
+ fi
+
+ # Remove any IP addresses
+ ip addr flush dev "${intf}"
+ echo_ok
+
+ # This script has now completed the first steps of setup
+ touch /var/ipfire/main/firstsetup_ok
+ ;;
+
+ status)
+ if running_on_ec2; then
+ echo "This system is running on AWS EC2"
+ exit 0
+ else
+ echo "This system is NOT running on AWS EC2"
+ exit 1
+ fi
+ ;;
+
+ *)
+ echo "Usage: ${0} {start|status}"
+ exit 1
+ ;;
+esac
+
+# End $rc_base/init.d/aws
projects / ipfire-2.x.git / commitdiff
