mirror of
https://github.com/xcat2/xcat-core.git
synced 2025-10-30 19:02:27 +00:00
226 lines
7.3 KiB
Bash
Executable File
226 lines
7.3 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
# Provide serial console access to nodes
|
|
|
|
# To handle cases like running this via sudo, get the home dir properly
|
|
os=`uname`
|
|
if [ "$os" == "Linux" ]; then
|
|
HOME=`getent passwd $(whoami)|cut -d: -f 6`
|
|
export HOME
|
|
fi
|
|
if [ "$os" == "AIX" ]; then
|
|
HOME=`lsuser -a home $(whoami)|cut -d= -f 2`
|
|
export HOME
|
|
fi
|
|
|
|
if [ -z "$1" ] || [ "$1" = "-h" ] || [ "$1" = "-help" ] || [ "$1" = "--help" ]; then
|
|
echo "rcons - remotely accesses the serial console of a node"
|
|
echo "rcons <singlenode> [conserver] [-f]"
|
|
echo "rcons <singlenode> [conserver] [-s]"
|
|
echo "rcons [-h|--help|-v|--version]"
|
|
exit 0
|
|
fi
|
|
if [ "$1" = "-v" -o "$1" = "--version" ]; then
|
|
if [ -z "$XCATROOT" ]; then
|
|
XCATROOT="/opt/xcat"
|
|
fi
|
|
perl -e 'use lib "$ENV{XCATROOT}/lib/perl"; use xCAT::Version; print xCAT::Version->Version() . "\n"'
|
|
exit 0
|
|
fi
|
|
|
|
param_n=0
|
|
for parameter in $@; do
|
|
((param_n++))
|
|
|
|
# check the second parameter to be conserver
|
|
if [ $param_n -eq 2 ]; then
|
|
if [ "$parameter" != "-f" ] && [ "$parameter" != "-s" ]; then
|
|
CONSERVER=$parameter
|
|
fi
|
|
fi
|
|
|
|
if [ $param_n -ge 2 ]; then
|
|
if [ "$parameter" = "-f" ] || [ "$parameter" = "-s" ]; then
|
|
if [ -z "$FORCE" ]; then
|
|
FORCE=$parameter
|
|
elif [ "$FORCE" != "$parameter" ]; then
|
|
echo "Error: cannot use option -s and -f together."
|
|
exit 1
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
if [ $param_n -ge 3 ]; then
|
|
if [ "$parameter" != "-f" ] && [ "$parameter" != "-s" ]; then
|
|
echo "Error: cannot recognize parameter \"$parameter\"."
|
|
exit 1
|
|
fi
|
|
fi
|
|
done
|
|
|
|
# xCAT 2.9.1 allows for an option to use confluent as a rcons replacement and only use
|
|
# confluent if this keyword is defined in the site table. This allows for confluent to
|
|
# be installed on the xCAT management node and switch between conserver & confluent
|
|
USE_CONFLUENT=0
|
|
CONSOLE_SERVICE_KEYWORD=`tabdump site | grep consoleservice | cut -d, -f1 | tr -d '"'`
|
|
CONSOLE_SERVICE_VALUE=`tabdump site | grep consoleservice | cut -d, -f2 | tr -d '"'`
|
|
|
|
if [ "$CONSOLE_SERVICE_KEYWORD" == "consoleservice" ]; then
|
|
if [ "$CONSOLE_SERVICE_VALUE" == "confluent" ]; then
|
|
USE_CONFLUENT=1
|
|
fi
|
|
fi
|
|
|
|
if [ $USE_CONFLUENT == "1" ] && ([ -x "/opt/confluent/bin/confetty" ] || [ -x "/usr/bin/confetty" ] || [ -x "/usr/local/bin/confetty" ]); then
|
|
# use confluent, make sure conserver is not also running
|
|
CONSERVER_RC=`service conserver status >> /dev/null; echo $?`
|
|
if [[ ${CONSERVER_RC} == 0 ]]; then
|
|
echo "Error: consoleservice is set to 'confluent' but conserver is running. Stop conserver, run makeconfluentcfg, and retry..."
|
|
exit 1
|
|
fi
|
|
CONFETTY="confetty"
|
|
if [ -x "/opt/confluent/bin/confetty" ]; then
|
|
CONFETTY="/opt/confluent/bin/confetty"
|
|
fi
|
|
if [ ! -z "$CONSCONTROLPATH" ]; then
|
|
CONSCONTROLPATH="-c $CONSCONTROLPATH"
|
|
fi
|
|
if [ -z "$CONSERVER" ]; then
|
|
CONSERVER=`nodels $1 nodehm.conserver 2>/dev/null | awk -F: '{print $2}' | tr -d ' '`
|
|
declare -a ipaddrs=`ip addr | grep 'inet' | awk {'print $2'} | cut -d/ -f1 | grep -v : | tr '\n' ' '`
|
|
for IP in ${ipaddrs[*]}; do
|
|
if [[ "${CONSERVER}" == "${IP}" ]]; then
|
|
# conserver is the same node, do not connect using -s
|
|
CONSERVER=""
|
|
break
|
|
fi
|
|
done
|
|
fi
|
|
if [ -z "$CONSERVER" ]; then
|
|
CONSERVER=$XCATHOST
|
|
fi
|
|
if [ ! -z "$CONSERVER" ]; then
|
|
CONSERVER="-s $CONSERVER"
|
|
fi
|
|
$CONFETTY $CONSCONTROLPATH $CONSERVER $1
|
|
elif [ -f "/usr/bin/console" ] || [ -f "/bin/console" ]; then
|
|
# use conserver
|
|
# make sure confluent is not also running, only if confluent is installed
|
|
if [[ -f "/etc/init.d/confluent" ]]; then
|
|
CONFLUENT_RC=`service confluent status >> /dev/null; echo $?`
|
|
if [[ ${CONFLUENT_RC} == 0 ]]; then
|
|
echo "Error: consoleservice is set to 'conserver' but confluent is running. Stop confluent, run makeconservercf, and retry..."
|
|
exit 1
|
|
fi
|
|
fi
|
|
|
|
if [ -z "$CONSERVER" ]; then
|
|
CONSERVER=`nodels $1 nodehm.conserver 2>/dev/null | awk -F: '{print $2}' | tr -d ' '`
|
|
fi
|
|
|
|
if [ -z "$CONSERVER" ]; then
|
|
CONSERVER=$XCATHOST
|
|
fi
|
|
if [ -z "$CONSERVER" ]; then
|
|
CONSERVER=localhost
|
|
fi
|
|
#NOTE: IPv6 is not good with the below if going by IP, needs more sophisticated
|
|
#parsing
|
|
CONSERVER=`echo $CONSERVER|cut -d: -f 1`
|
|
|
|
#Detect console support of SSL, only fixup consolerc if encryption is detected
|
|
if ! console -h 2>&1 | grep "encryption not compiled" > /dev/null; then
|
|
# generate .consolerc if it does not exist or is empty
|
|
if [ ! -s $HOME/.consolerc ]; then
|
|
cat > $HOME/.consolerc << EOF
|
|
config * {
|
|
port 782;
|
|
sslenabled yes;
|
|
sslauthority $HOME/.xcat/ca.pem;
|
|
sslcredentials $HOME/.xcat/client-cred.pem;
|
|
}
|
|
EOF
|
|
fi
|
|
else
|
|
# ssl is not enabled, comment out the ssl settings in .consolerc
|
|
if [ -f $HOME/.consolerc ]; then
|
|
sed -i 's/\Wssl/#ssl/1' $HOME/.consolerc
|
|
fi
|
|
fi
|
|
|
|
exec console $FORCE -M $CONSERVER $1
|
|
else
|
|
if [[ "$FORCE" == "-s" ]]; then
|
|
echo "Read-only mode is not supported, please run rcons without -s option."
|
|
exit 1
|
|
fi
|
|
#deal with consoles directly
|
|
output=`nodels $1 nodehm.conserver nodehm.cons nodehm.mgt 2>&1`
|
|
if [ $? -ne 0 ]; then
|
|
echo "$output"
|
|
exit 1
|
|
fi
|
|
|
|
if [ -z "$CONSERVER" ]; then
|
|
CONSERVER=`echo "$output"|grep nodehm.conserver|cut -d: -f3|tr -d ' \n'`
|
|
fi
|
|
CONS=`echo "$output" |grep /nodehm.cons$/|cut -d: -f3 | tr -d ' \n'`
|
|
if [ -z "$CONS" ]; then
|
|
CONS=`echo "$output"|grep nodehm.mgt|cut -d: -f3 | tr -d ' \n'`
|
|
fi
|
|
if [ -z "$CONS" ]; then
|
|
echo "Error: nodehm.mgt or nodehm.cons for node $1 not setup."
|
|
exit 1;
|
|
fi
|
|
|
|
#check if conserver is local host
|
|
result=`ping -c1 $CONSERVER 2>&1`
|
|
if [ $? -eq 0 ]; then
|
|
index1=`expr index "$result" "\("`
|
|
index2=`expr index "$result" "\)"`
|
|
pos=`expr $index1 + 1`
|
|
length=`expr $index2 - $index1`
|
|
length=`expr $length - 1`
|
|
cons_ip=`expr substr "$result" $pos $length`
|
|
if [ "$os" == "AIX" ]; then
|
|
ifconfig |grep "$cons_ip"
|
|
else
|
|
ip addr |grep "$cons_ip"
|
|
fi
|
|
if [ $? -eq 0 ]; then
|
|
CONSERVER=""
|
|
fi
|
|
else
|
|
echo "Error: conserver $CONSERVER is not reachable."
|
|
exit 1;
|
|
fi
|
|
#echo "CONS=$CONS CONSERVER=$CONSERVER"
|
|
|
|
# check if others are using the console
|
|
if [[ -n $CONSERVER ]]; then
|
|
ssh $CONSERVER ps -ef |grep $1 |grep -v grep |grep "$XCATROOT/share/xcat/cons" > /dev/null
|
|
else
|
|
ps -ef |grep $1 |grep -v grep |grep "$XCATROOT/share/xcat/cons" > /dev/null
|
|
fi
|
|
if [ $? -eq 0 ]; then
|
|
if [[ "$FORCE" == "-f" ]] ; then
|
|
echo "Only one console can be run at a time for a node. Other consoles will be closed."
|
|
else
|
|
echo "Only one console can be run at a time for a node. Please close other consoles or run rcons with -f option."
|
|
exit 1;
|
|
fi
|
|
fi
|
|
|
|
echo "**** Enter ~? for help *****"
|
|
if [ -z "$XCATROOT" ]; then
|
|
cmdpath="/opt/xcat/share/xcat/cons"
|
|
else
|
|
cmdpath="$XCATROOT/share/xcat/cons"
|
|
fi
|
|
if [ -z "$CONSERVER" ]; then
|
|
exec $cmdpath/$CONS $1
|
|
else
|
|
exec ssh -t $CONSERVER "$cmdpath/$CONS $1"
|
|
fi
|
|
fi
|