| #!/bin/sh |
| |
| ################################################################################ |
| ## ## |
| ## Copyright (c) International Business Machines Corp., 2005 ## |
| ## ## |
| ## This program is free software; you can redistribute it and#or modify ## |
| ## it under the terms of the GNU General Public License as published by ## |
| ## the Free Software Foundation; either version 2 of the License, or ## |
| ## (at your option) any later version. ## |
| ## ## |
| ## This program is distributed in the hope that it will be useful, but ## |
| ## WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ## |
| ## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ## |
| ## for more details. ## |
| ## ## |
| ## You should have received a copy of the GNU General Public License ## |
| ## along with this program; if not, write to the Free Software ## |
| ## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ## |
| ## ## |
| ## ## |
| ################################################################################ |
| # |
| # File: |
| # dns-stress01-rmt |
| # |
| # Description: |
| # This is the remote script for dns-ipv${IP_VER}-stress01 |
| # |
| # Author: |
| # Mitsuru Chinen <[email protected]> |
| # |
| # Arguments: |
| # |
| # Exit Value: |
| # 0: Success |
| # >0: Fail |
| # |
| # History: |
| # Oct 19 2005 - Created (Mitsuru Chinen) |
| # |
| #----------------------------------------------------------------------- |
| # Uncomment line below for debug output. |
| #trace_logic=${trace_logic:-"set -x"} |
| $trace_logic |
| |
| # Check the arguments |
| if [ $# -ne 7 ]; then |
| echo "Usage: $0 IP_version server_ipaddr port domain minimum_id maximum_id connect_quantity" |
| exit 1 |
| fi |
| ip_ver="$1" |
| server_ipaddr="$2" |
| port="$3" |
| domain="$4" |
| minimum_id="$5" |
| maximum_id="$6" |
| connect_quontity="$7" |
| |
| # Specify the record of dns accoring to the version of IP |
| case $ip_ver in |
| 4) |
| record="A" |
| ;; |
| 6) |
| record="AAAA" |
| ;; |
| *) |
| echo "$ver_opt is unknown IP version" |
| exit 1 |
| ;; |
| esac |
| |
| # Check the connectivity first |
| dig @$server_ipaddr -p $port node${minimum_id}.${domain} $record >/dev/null 2>&1 |
| if [ $? -ne 0 ]; then |
| echo "Failed to connect $server_ipaddr" |
| exit 1 |
| fi |
| |
| # |
| # Loop for a large number of name lookup querys |
| # |
| num=0 |
| id=$minimum_id |
| while [ $num -lt $connect_quontity ]; do |
| dig @$server_ipaddr -p $port node${id}.${domain} $record >/dev/null 2>&1 |
| id=`expr $id + 1` |
| if [ $id -gt $maximum_id ]; then |
| id=$minimum_id |
| fi |
| num=`expr $num + 1` |
| done |
| |
| # Check the connectivity again |
| dig @$server_ipaddr -p $port node${minimum_id}.${domain} $record >/dev/null 2>&1 |
| if [ $? -ne 0 ]; then |
| echo "Failed to connect $server_ipaddr. dns server seems down." |
| exit 1 |
| fi |
| |
| exit 0 |
