ELK企業應用-清理elasticsearch 30天前的索引

執行指令碼

[[email protected] shell]# cat month_ago_delete.sh 
#!/bin/bash
#
# geng.tian
# 2018/10/27
​
# days for cut
time_ago=30

# elasticsearch ip
es_cluster_ip=10.10.10.11
​
​
function delete_index() {
    comp_date=`date -d "${time_ago} day ago" +"%Y-%m-%d"`
    date1="$1 00:00:00"
    date2="${comp_date} 00:00:00"
​
    t1=`date -d "${date1}" +%s` 
    t2=`date -d "${date2}" +%s` 
​
    if [ $t1 -le $t2 ]; then
        echo "$1 will perform the deldete task earlier than ${time_ago} days ago"
        curl -XDELETE http://${es_cluster_ip}:9200/*$1
    fi
}
​
curl -XGET http://${es_cluster_ip}:9200/_cat/indices|awk -F " " '{print $3}' |egrep -v "[0-9*\.[0-9]*\.[0-9]*"|awk -F "-" '{print $2"-"$3"-"$4}' |sort | uniq | while read LINE
​
​
do
    delete_index ${LINE}
done
 

定時任務

[[email protected] shell]# crontab -l
# For elasticserach, at 3:01 am per day, the index is deleted earlier than 30 days ago！
1 3 1 * * /bin/sh /opt/shell/month_ago_delete.sh