[LTP] network tests: help script to run commands on remote host

[Alexey Kodanev <alexey.kodanev@oracle.com>]

Hi!
There are some network tests which need to run various commands on the 
remote host. So is it a good idea to add a help script which does that 
according to chosen network protocol: rsh or ssh?

If yes, we can have a script like tst_rhost_run (or tst_run_rcmd...) in 
the ltp/tools, or somewhere else.

I did something similar in the submitted tcp_fastopen test, so the 
script could be as follows:

if [ "$use_ssh" -eq 1 ]; then
	ssh -n -f $user_name@$RHOST "sh -c 'nohup $rcmd &'" > /dev/null 2>&1
else
	rsh -n -l $user_name $RHOST "sh -c 'nohup $rcmd &'" > /dev/null 2>&1
fi

if [ $? -ne 0 ]; then
	tst_brkm TBROK NULL "No route to host $RHOST"
	exit 2
fi

Any suggestions, ideas?

Best regards,
Alexey


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