P19 23.07 online-configP19

1 files changed, 106 insertions, 0 deletions

diff --git a/MPE/druid/bin/node.sh b/MPE/druid/bin/node.sh
new file mode 100644
index 0000000..991375e
--- /dev/null
+++ b/MPE/druid/bin/node.sh
@@ -0,0 +1,106 @@
+#!/bin/bash -eu
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+## Initialization script for druid nodes
+## Runs druid nodes as a daemon
+## Environment Variables used by this script -
+## DRUID_LIB_DIR - directory having druid jar files, default=lib
+## DRUID_CONF_DIR - directory having druid config files, default=conf/druid
+## DRUID_LOG_DIR - directory used to store druid logs, default=log
+## DRUID_PID_DIR - directory used to store pid files, default=var/druid/pids
+## HADOOP_CONF_DIR - directory used to store hadoop config files
+
+usage="Usage: node.sh nodeType (start|stop|status)"
+
+if [ $# -le 1 ]; then
+  echo $usage
+  exit 1
+fi
+
+nodeType=$1
+shift
+
+command=$1
+
+LIB_DIR="${DRUID_LIB_DIR:=lib}"
+CONF_DIR="${DRUID_CONF_DIR:=conf/druid}"
+LOG_DIR="${DRUID_LOG_DIR:=log}"
+PID_DIR="${DRUID_PID_DIR:=var/druid/pids}"
+WHEREAMI="$(dirname "$0")"
+WHEREAMI="$(cd "$WHEREAMI" && pwd)"
+JAVA_BIN_DIR="$(source "$WHEREAMI"/java-util && get_java_bin_dir)"
+
+pid=$PID_DIR/$nodeType.pid
+
+case $command in
+
+  (start)
+
+    if [ -f $pid ]; then
+      if kill -0 `cat $pid` > /dev/null 2>&1; then
+        echo $nodeType node running as process `cat $pid`.  Stop it first.
+        exit 1
+      fi
+    fi
+    if [ ! -d "$PID_DIR" ]; then mkdir -p $PID_DIR; fi
+    if [ ! -d "$LOG_DIR" ]; then mkdir -p $LOG_DIR; fi
+
+    if [ -z "$JAVA_BIN_DIR" ]; then
+      echo "Could not find java - please run $WHEREAMI/verify-java to confirm it is installed."
+      exit 1
+    fi
+    JAVA="$JAVA_BIN_DIR/java"
+
+    nohup $JAVA `cat $CONF_DIR/$nodeType/jvm.config | xargs` -cp $CONF_DIR/_common:$CONF_DIR/$nodeType:$LIB_DIR/*:$HADOOP_CONF_DIR org.apache.druid.cli.Main server $nodeType >> $LOG_DIR/$nodeType.log 2>&1 &
+    nodeType_PID=$!
+    echo $nodeType_PID > $pid
+    echo "Started $nodeType node ($nodeType_PID)"
+    ;;
+
+  (stop)
+
+    if [ -f $pid ]; then
+      TARGET_PID=`cat $pid`
+      if kill -0 $TARGET_PID > /dev/null 2>&1; then
+        echo Stopping process `cat $pid`...
+        kill $TARGET_PID
+      else
+        echo No $nodeType node to stop
+      fi
+      rm -f $pid
+    else
+      echo No $nodeType node to stop
+    fi
+    ;;
+
+   (status)
+    if [ -f $pid ]; then
+      if kill -0 `cat $pid` > /dev/null 2>&1; then
+        echo RUNNING
+        exit 0
+      else
+        echo STOPPED
+      fi
+    else
+      echo STOPPED
+    fi
+    ;;
+
+  (*)
+    echo $usage
+    exit 1
+    ;;
+esac