Monitoring swift container sync traffic

swift-port-stats.sh

#!/bin/bash

# could be smarter and read these ports from the server conf files...
OBJ_SERVER_PORTS="6010 6020 6030 6040"
PROXY_SERVER_PORT=8080


setup_rules() {
# $1 should be -A to set, -D to unset
    OP=$1

    # the order we set the rules dictates the order they are displayed.
    # bytes from obj servers...
    for PORT in $OBJ_SERVER_PORTS
    do
	iptables $OP INPUT -p tcp --sport $PORT
    done

    # bytes to proxy server ...
    iptables $OP INPUT -p tcp --dport $PROXY_SERVER_PORT

    # bytes to object servers...
    for PORT in $OBJ_SERVER_PORTS
    do
	iptables $OP INPUT -p tcp --dport $PORT
    done
}

set() {
    setup_rules -A
}

unset() {
    setup_rules -D
}

show() {
    iptables -nvxL INPUT
}

reset() {
    iptables -Z INPUT
}

cmd=$0
if [[ -z $1 ]];
then
    echo "$cmd [set|unset|reset|show]"
    exit
fi

$1
echo "$1 rules on ports $PROXY_SERVER_PORT $OBJ_SERVER_PORTS"