ELB の health check を設定する

elb-configure-health-check.sh

#!/bin/bash

usage() {
    echo "Usage: $(basename $0) -e|--elb ELB_NAME -t|--target TARGET
    -e|--elb       elb name
    -t|--target    target protocol (http|tcp)
    -h|--help      show this help message and exit
"
    exit 0
}

OPT=$(getopt -q -o e:t:h -l elb:,target:,help -- "${@}")

eval set -- "${OPT}"

TARGET=""
ELB=""

while :; do
    case "${1}" in
        -e|--elb)    ELB="${2}";  shift 2 ;;
        -t|--target) TARGET="${2}";  shift 2 ;;
        -h|--help)   usage ;;
        --)          shift; break ;;
        *)           echo "Internal error!" 1>&2; exit 1 ;;
    esac
done

if [ "${TARGET}" = "" -o "${ELB}" = "" ]; then
    usage
fi

COMMON="Interval=6,Timeout=5,UnhealthyThreshold=2,HealthyThreshold=10,Target="

case "${TARGET}" in
    tcp)  HEALTH_CHECK="${COMMON}TCP:80" ;;
    http) HEALTH_CHECK="${COMMON}HTTP:80/ping" ;;
    *)    echo "invalid value(http or tcp)"; exit 1 ;;
esac

#export AWS_CONFIG_FILE=/path/to/.aws/config

aws elb configure-health-check --load-balancer-name $ELB --health-check $HEALTH_CHECK