source: other-projects/hathitrust/wcsa/extracted-features-solr/trunk/gslis-cluster/SCRIPTS/remote-solr-start-shard.sh

#!/bin/bash

solr_cmd=${1-start}
core_num=${2-null}

if [ "x$SOLR_SHARDS" != "x" ] ; then
    SOLR_NODES_ARRAY=($SOLR_NODES)
    SOLR_SHARDS_ARRAY=($SOLR_SHARDS)

    num_shards=${#SOLR_NODES_ARRAY[*]}
    
    i=0
    
    while [ $i -lt $num_shards ] ; do
    solr_node=${SOLR_NODES_ARRAY[$i]}
    solr_home_shard_dir=${SOLR_SHARDS_ARRAY[$i]}
    
    solr_host=${solr_node%:*}
    solr_port=${solr_node##*:}

    server_dir="/disk0/solr-server-$solr_host-$solr_port"
    
    export SOLR_HOME=
    export SOLR_PID_DIR=
    #export SOLR_PID_DIR="$solr_home_shard_dir"
        if [ "$core_num" == "null" ] || [ "$core_num" == "$i" ] ; then

      echo "Starting solr cloud node on: $solr_host:$solr_port solr_home=$solr_home_shard_dir"
      if [ "x$SOLR_JAVA_MEM" != "x" ] ; then
        echo "=> SOLR_JAVA_MEM=$SOLR_JAVA_MEM"
      fi
        ssh $solr_host solr $solr_cmd -cloud -z $ZOOKEEPER_SERVER -h $solr_host -p $solr_port -d "$server_dir" -s "$solr_home_shard_dir"
    fi
    
    i=$((i+1))
    done
else

    run_from_local_disk=1

    #local_dir="/tmp/solr-ef"
    local_dir="/hdfsd05/dbbridge/solr-ef"


    if [ $run_from_local_disk = "1" ] ; then
    opt_s="-s $local_dir"
    export SOLR_HOME=
    echo "****"
    echo "* Running solr from local disk: $local_dir"
    echo "****"
    else 
    opt_s=
    fi
    
    for solr_node in $SOLR_NODES ; do
    solr_host=${solr_node%:*}
    solr_port=${solr_node##*:}
    
    echo "Starting solr cloud node on: $solr_host [port $solr_port]"
    ssh $solr_host solr $solr_cmd -cloud -z $ZOOKEEPER_SERVER -h $solr_host -p $solr_port $opt_s
    done
fi