77 lines
2.2 KiB
Bash
Executable File
77 lines
2.2 KiB
Bash
Executable File
#!/bin/sh
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# Copyright (c) 2015 Oracle and/or its affiliates. All Rights Reserved.
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# Copyright (c) International Business Machines Corp., 2005
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it would be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#
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# Author: Mitsuru Chinen <mitch@jp.ibm.com>
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#
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TCID="ssh_stress02_rmt"
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TST_TOTAL=1
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. test.sh
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# Check the arguments
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if [ $# -ne 5 ]; then
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tst_brkm TBROK "Usage: $0 ipver rhost config connections duration"
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fi
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ip_ver="$1"
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server_ipaddr="$2"
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ssh_config="$3"
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connections="$4"
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duration="$5"
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ssh -$ip_ver -F $ssh_config $server_ipaddr \
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"true < /dev/null > /dev/null 2>&1" > /dev/null
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[ $? -ne 0 ] && tst_brkm TBROK "Failed to connect '$server_ipaddr'"
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start_epoc=$(date +%s)
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while true ; do
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# Exit when the specified seconds have passed.
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current_epoc=$(date +%s)
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elapse_epoc=$(($current_epoc - $start_epoc))
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[ $elapse_epoc -ge $duration ] && break
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# Do not make ssh connection over the specified quantity
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ssh_num=$(jobs | wc -l)
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if [ $ssh_num -ge $connections ]; then
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sleep 1
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continue;
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fi
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# specified wait time and login time
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wait_sec=$(($(od -A n -d -N 1 /dev/random) * 3 / 255))
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login_sec=$(($(od -A n -d -N 1 /dev/random) * 10 / 255))
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# Login to the server
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(sleep $wait_sec ; ssh -$ip_ver -F $ssh_config -l root $server_ipaddr \
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"sleep $login_sec < /dev/null > /dev/null 2>&1") > \
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/dev/null 2>&1 &
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done
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# wait for the finish of all process
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wait
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# Check the connectivity again
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ssh -$ip_ver -F $ssh_config $server_ipaddr \
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"true < /dev/null > /dev/null 2>&1" > /dev/null
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[ $? -ne 0 ] && tst_brkm TBROK "Failed to connect '$server_ipaddr'"
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tst_exit
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