| #!/usr/bin/env bash |
| ############################ |
| # dov.dorin at gopivotal.com |
| ############################ |
| |
| # Load settings |
| root=`cd \`dirname $0\`/..;pwd` |
| bin=$root/bin |
| . $bin/gphd-env.sh |
| |
| if [ "x$1" == "x" -o "x$2" == "x" ]; then |
| echo "usage: $0 <hiveservice> <stop|start>" |
| echo "services: hiveserver, hiveserver2, metastore" |
| exit 1 |
| fi |
| |
| service=$1 |
| command=$2 |
| |
| case "$service" in |
| "hiveserver" ) |
| ;; |
| "hiveserver2" ) |
| ;; |
| "metastore" ) |
| ;; |
| * ) |
| echo "unknown service $service" |
| echo "services: hiveserver, hiveserver2, metastore" |
| exit 1 |
| ;; |
| esac |
| |
| # Start a Hive service |
| |
| HIVE_PID_DIR=$PIDS_ROOT |
| HIVE_LOG_DIR=$LOGS_ROOT |
| HIVE_IDENT_STRING=`whoami` |
| HIVE_NICENESS=0 |
| HIVE_STOP_TIMEOUT=3 |
| log=$HIVE_LOG_DIR/hive-$HIVE_IDENT_STRING-$service-`hostname`.out |
| pid=$HIVE_PID_DIR/hive-$HIVE_IDENT_STRING-$service.pid |
| |
| . $HIVE_ROOT/conf/hive-env.sh |
| |
| # Keep last 5 logs |
| hive_rotate_log () |
| { |
| if [ ! -d $HIVE_LOG_DIR ]; then |
| mkdir $HIVE_LOG_DIR |
| fi |
| |
| log=$1; |
| num=5; |
| if [ -n "$2" ]; then |
| num=$2 |
| fi |
| if [ -f "$log" ]; then # rotate logs |
| while [ $num -gt 1 ]; do |
| prev=`expr $num - 1` |
| [ -f "$log.$prev" ] && mv "$log.$prev" "$log.$num" |
| num=$prev |
| done |
| mv "$log" "$log.$num"; |
| fi |
| } |
| |
| start() |
| { |
| [ -w "$HIVE_PID_DIR" ] || mkdir -p "$HIVE_PID_DIR" |
| |
| if [ -f $pid ]; then |
| if kill -0 `cat $pid` > /dev/null 2>&1; then |
| echo $service running as process `cat $pid`. Stop it first. |
| exit 1 |
| fi |
| fi |
| |
| hive_rotate_log $log |
| echo starting $service, logging to $log |
| ACTUAL_HIVE_OPTS=$HIVE_OPTS |
| if [ $service = "hiveserver" ]; then |
| ACTUAL_HIVE_OPTS=$HIVE_SERVER_OPTS |
| fi |
| nohup nice -n $HIVE_NICENESS $HIVE_BIN/hive --config $HIVE_ROOT/conf --service $service $ACTUAL_HIVE_OPTS > $log 2>&1 < /dev/null & |
| echo $! > $pid |
| } |
| |
| stop() |
| { |
| if [ -f $pid ]; then |
| TARGET_PID=`cat $pid` |
| if ! kill -0 $TARGET_PID > /dev/null 2>&1; then |
| TARGET_PID_REAL=`ps -e -o pid= -o ppid= | grep "$TARGET_PID\$" | awk '{print $1}'` |
| TARGET_PID=$TARGET_PID_REAL |
| fi |
| if kill -0 $TARGET_PID > /dev/null 2>&1; then |
| echo stopping $command |
| kill $TARGET_PID |
| sleep $HIVE_STOP_TIMEOUT |
| if kill -0 $TARGET_PID > /dev/null 2>&1; then |
| echo "$command did not stop gracefully after $HIVE_STOP_TIMEOUT seconds: killing with kill -9" |
| kill -9 $TARGET_PID |
| fi |
| else |
| echo no $command to stop |
| fi |
| else |
| echo no $command to stop |
| fi |
| } |
| |
| case "$command" in |
| "start" ) |
| start |
| ;; |
| "stop" ) |
| stop |
| ;; |
| * ) |
| echo unknown command $command |
| ;; |
| esac |
| |
| exit $? |
