shell脚本批量删除es索引的方法
发现elasticsearch集群的状态是red,unassign的分片数很多,看了下都是些旧的日期的索引(应该是定时任务删除失败导致的)。
curl -XGET ip:port/_cat/shards | grep UNASSIGNED
数量有几百个,写个脚本处理下,先恢复成green。red状态好像会影响索引创建和数据迁移
先把需要删除的索引导出到文件
curl -XGET ip:port/_cat/shards | grep UNASSIGNED >> needDelIndex.txt
确认下要删除的索引列表。没问题就执行下面删除shell(es的ip和端口需要修改下)
#!/bin/bash echo "$1" esUrl=${esip}:${esport} indexfile=needDelIndex.txt #cp -f /dev/null ${indexfile} #curl -XGET ip:port/_cat/shards | grep UNASSIGNED >> needDelIndex.txt if [ ! -f ./${indexfile} ]; then echo $indexfile not exists exit 0 fi logfile=esindex_del.`date +"%m-%d"`.log cp -f /dev/null ${logfile} lastIndexName="test" for item in `cat ${indexfile} | awk '{print $1}'` do if [ "$item" = "error" ] then continue fi if [ "$item" != "$lastIndexName" ] then curl -XDELETE ${esUrl}/${item} >> ${logfile} echo ---------${item} `date` >> ${logfile} sleep 5 fi lastIndexName=${item} done
因为我们的索引是按天创建的,索引名前缀是yyyy-MM-dd, 保留一段时间后需要批量删除。shell的第一个参数为yyyy-MM-dd,将删除该天及以前的旧索引
#!/bin/bash esUrl=${esip}:${esport} echo "$1" if [ $# -ge 1 ] then deleteDate=$1 else echo "please inpust detete esindex's date(yyyy-MM-dd)" exit 0 fi indexfile=esindex.info cp -f /dev/null ${indexfile} curl '${esUrl}/_cat/indices' >> ${indexfile} logfile=esindex_del.`date +"%m-%d"`.out cp -f /dev/null ${logfile} for item in `cat ${indexfile} | awk '{print $3}'` do if [ "$item" = "error" ] then continue fi parameter=${esUrl}/${item} indexdate=${item:0:10} if [ "$indexdate" = "$deleteDate" ] then curl -XDELETE ${parameter} >> ${logfile} echo ---------${item} >> ${logfile} sleep 5 elif [[ "$indexdate" < "$deleteDate" ]] then curl -XDELETE ${parameter} >> ${logfile} echo ---------${item} >> ${logfile} sleep 5 fi done
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