#!/bin/bash

function help() {
cat << EOF

    Usage: $(basename $0) <action> <node>

    <action>            [enable|disable|help]
    <node>  Nomenklatur ist <svc><cluster><env><node>
            <svc>       [jra|cnf]   3 characters
            <cluster>   [0-9]       1 character
            <env>       [pte]       1 character
            <node>      [0-9]       1 character  
EOF
}

case $1 in
    enable)
        ACTION=enable
        ;;
    disable)
        ACTION=disable
        ;;
    help)
        help
        exit 0
        ;;
    *)
        help
        exit 1
        ;;
esac
shift

UMG=${1:4:1}
CLUSTER=${1:0:4}
NODE=${1:5:1}
LBS=( atlb${UMG}1 atlb${UMG}2 )
BACKENDS=( ${CLUSTER} ${CLUSTER}_direct ) 
SERVERS=( ${CLUSTER}${NODE} ${CLUSTER}${NODE}d )
HAADMINSOCK=/run/haproxy/admin.sock

i=0
while [ $i -lt ${#BACKENDS[@]} ];do

cat << EOF
    Action:         $ACTION
    Umgebung:       $UMG
    Cluster:        $CLUSTER
    Node:           $NODE
    Loadbalancers:  ${LBS[*]}
    Backend:       ${BACKENDS[$i]}
    Server:        ${SERVERS[$i]}
    ------------------------------------

EOF
parallel-ssh -i $(for l in ${LBS[@]};do echo -H $l;done) "echo '$ACTION server ${BACKENDS[$i]}/${SERVERS[$i]}'|socat stdio $HAADMINSOCK"
i=$((i+1))
done