diff options
| -rwxr-xr-x | sbin/spark-daemon.sh | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/sbin/spark-daemon.sh b/sbin/spark-daemon.sh index 92e76a3fe6..d8e0facb81 100755 --- a/sbin/spark-daemon.sh +++ b/sbin/spark-daemon.sh @@ -29,7 +29,7 @@ # SPARK_NICENESS The scheduling priority for daemons. Defaults to 0. ## -usage="Usage: spark-daemon.sh [--config <conf-dir>] (start|stop) <spark-command> <spark-instance-number> <args...>" +usage="Usage: spark-daemon.sh [--config <conf-dir>] (start|stop|status) <spark-command> <spark-instance-number> <args...>" # if no args specified, show usage if [ $# -le 1 ]; then @@ -195,6 +195,23 @@ case $option in fi ;; + (status) + + if [ -f $pid ]; then + TARGET_ID="$(cat "$pid")" + if [[ $(ps -p "$TARGET_ID" -o comm=) =~ "java" ]]; then + echo $command is running. + exit 0 + else + echo $pid file is present but $command not running + exit 1 + fi + else + echo $command not running. + exit 2 + fi + ;; + (*) echo $usage exit 1 |