159 lines
4.4 KiB
Bash
Executable File
159 lines
4.4 KiB
Bash
Executable File
#!/bin/sh
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# Provide serial console access to nodes
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# To handle cases like running this via sudo, get the home dir properly
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os=`uname`
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if [ "$os" == "Linux" ]; then
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HOME=`getent passwd $(whoami)|cut -d: -f 6`
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export HOME
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fi
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if [ "$os" == "AIX" ]; then
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HOME=`lsuser -a home $(whoami)|cut -d= -f 2`
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export HOME
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fi
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if [ -z "$1" ] || [ "$1" = "-h" ] || [ "$1" = "-help" ] || [ "$1" = "--help" ]; then
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echo "rcons - remotely accesses the serial console of a node"
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echo "rcons <singlenode> [conserver] [-f]"
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echo "rcons <singlenode> [conserver] [-s]"
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echo "rcons [-h|--help|-v|--version]"
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exit 0
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fi
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if [ "$1" = "-v" ]; then
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echo "Version 2.8"
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exit 0
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fi
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if [ -n "$3" ] && [ "$3" = "-f" ]; then
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FORCE=-f
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CONSERVER=$2
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fi
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#console spy mode
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if [ -n "$3" ] && [ "$3" = "-s" ]; then
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FORCE=-s
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CONSERVER=$2
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fi
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if [ -n "$2" ]; then
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if [ "$2" = "-f" ]; then
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FORCE=-f
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else
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if [ "$2" = "-s" ]; then
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FORCE=-s
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else
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CONSERVER=$2
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fi
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fi
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fi
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if [ -f "/usr/bin/console" ] || [ -f "/bin/console" ]; then
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#use conserver
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if [ -z "$CONSERVER" ]; then
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CONSERVER=`nodels $1 nodehm.conserver 2>/dev/null | awk -F: '{print $2}' | tr -d ' '`
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fi
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if [ -z "$CONSERVER" ]; then
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CONSERVER=$XCATHOST
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fi
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if [ -z "$CONSERVER" ]; then
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CONSERVER=localhost
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fi
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#NOTE: IPv6 is not good with the below if going by IP, needs more sophisticated
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#parsing
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CONSERVER=`echo $CONSERVER|cut -d: -f 1`
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#Detect console support of SSL, only fixup consolerc if encryption is detected
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if ! console -h 2>&1 | grep "encryption not compiled" > /dev/null; then
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if [ ! -f $HOME/.consolerc ]; then
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echo 'config * {' > $HOME/.consolerc
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echo " port 782;" >> $HOME/.consolerc
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echo " sslenabled yes;" >> $HOME/.consolerc
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echo " sslauthority $HOME/.xcat/ca.pem;" >> $HOME/.consolerc
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echo " sslcredentials $HOME/.xcat/client-cred.pem;" >> $HOME/.consolerc
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echo '}' >> $HOME/.consolerc
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fi
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else
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# ssl is not enabled, comment out the ssl settings in .consolerc
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if [ -f $HOME/.consolerc ]; then
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sed -i 's/\Wssl/#ssl/1' $HOME/.consolerc
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fi
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fi
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exec console $FORCE -M $CONSERVER $1
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else
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if [[ "$FORCE" == "-s" ]]; then
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echo "Read-only mode is not supported, please run rcons without -s option."
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exit 1
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fi
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#deal with consoles directly
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output=`nodels $1 nodehm.conserver nodehm.cons nodehm.mgt 2>&1`
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if [ $? -ne 0 ]; then
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echo "$output"
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exit 1
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fi
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if [ -z "$CONSERVER" ]; then
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CONSERVER=`echo "$output"|grep nodehm.conserver|cut -d: -f3|tr -d ' \n'`
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fi
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CONS=`echo "$output" |grep /nodehm.cons$/|cut -d: -f3 | tr -d ' \n'`
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if [ -z "$CONS" ]; then
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CONS=`echo "$output"|grep nodehm.mgt|cut -d: -f3 | tr -d ' \n'`
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fi
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if [ -z "$CONS" ]; then
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echo "Error: nodehm.mgt or nodehm.cons for node $1 not setup."
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exit 1;
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fi
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#check if conserver is local host
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result=`ping -c1 $CONSERVER 2>&1`
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if [ $? -eq 0 ]; then
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index1=`expr index "$result" "\("`
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index2=`expr index "$result" "\)"`
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pos=`expr $index1 + 1`
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length=`expr $index2 - $index1`
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length=`expr $length - 1`
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cons_ip=`expr substr "$result" $pos $length`
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if [ "$os" == "AIX" ]; then
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ifconfig |grep "$cons_ip"
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else
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ip addr |grep "$cons_ip"
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fi
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if [ $? -eq 0 ]; then
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CONSERVER=""
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fi
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else
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echo "Error: conserver $CONSERVER is not reachable."
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exit 1;
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fi
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#echo "CONS=$CONS CONSERVER=$CONSERVER"
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# check if others are using the console
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if [[ -n $CONSERVER ]]; then
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ssh $CONSERVER ps -ef |grep $1 |grep -v grep |grep "$XCATROOT/share/xcat/cons" > /dev/null
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else
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ps -ef |grep $1 |grep -v grep |grep "$XCATROOT/share/xcat/cons" > /dev/null
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fi
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if [ $? -eq 0 ]; then
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if [[ "$FORCE" == "-f" ]] ; then
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echo "Only one console can be run at a time for a node. Other consoles will be closed."
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else
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echo "Only one console can be run at a time for a node. Please close other consoles or run rcons with -f option."
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exit 1;
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fi
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fi
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echo "**** Enter ~? for help *****"
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if [ -z "$XCATROOT" ]; then
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cmdpath="/opt/xcat/share/xcat/cons"
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else
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cmdpath="$XCATROOT/share/xcat/cons"
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fi
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if [ -z "$CONSERVER" ]; then
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exec $cmdpath/$CONS $1
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else
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exec ssh -t $CONSERVER "$cmdpath/$CONS $1"
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fi
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fi
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