Files
mininet/util/m
T
Bob Lantz 1bf1a4d5e9 Tag node bash processes and add attach script
Try invoking bash processes with -s mininet:host,
for easy identification of hosts. This enables
easy attachment using the util/m script.
closes #121
2013-03-22 18:38:33 -07:00

31 lines
425 B
Bash
Executable File

#!/bin/bash
# Attach to a Mininet host and run a command
if [ -z $1 ]; then
echo "usage: $0 host cmd [args...]"
exit 1
else
host=$1
fi
pid=`pgrep -f mininet:$host`
if [ "$pid" == "" ]; then
echo "Could not find Mininet host $host"
exit 2
fi
if [ -z $2 ]; then
cmd='bash'
else
shift
cmd=$*
fi
cgroup=/sys/fs/cgroup/cpu/$host
if [ -d "$cgroup" ]; then
cg="-g $host"
fi
exec sudo mnexec -a $pid $cg $cmd