elasticsearch备份和还原

1备份脚本

#!/bin/bash
        ip_addr=127.0.0.1
        resposity_name=es_backup
        snapshot_location_path=/home/user1/program/backups/es_backup/$resposity_name
        snapshot_tar_path=/home/user1/program/backups/es_backup/tarPackage
        snapshot_name=test_snapshot
        port=9200
        # filename=`date +%Y%m%d%H`  增量时使用
        tarFileName="$resposity_name"_"$snapshot_name".tar.gz
        mkdir -p  $snapshot_location_path
        mkdir -p  $snapshot_tar_path

        chmod -R 777 $snapshot_location_path

         # 1创建快照仓库
         echo -e '\n*******create _snapshot resposity '$resposity_name'\n'
         curl -X PUT "$ip_addr:$port/_snapshot/$resposity_name" -H 'Content-Type: application/json' -d '{ "type": "fs", "settings": { "location": "'$snapshot_location_path'" } }'
         # curl -XPUT localhost:9200/_snapshot/es_snapshot -H 'Content-Type: application/json' -d '{"type":"fs","settings":{"location":"'/home/user1/program/backups/es_backup/es_backup'"}}'
         curl -X GET "$ip_addr:$port/_snapshot/$resposity_name/_current"
         echo -e '\n*******DELETE _snapshot '$snapshot_name', sleep 5\n'
         curl -XDELETE "$ip_addr:$port/_snapshot/$resposity_name/$snapshot_name?"
         sleep 5
         #全量备份 curl -X PUT "$ip_addr:$port/_snapshot/$resposity_name/$snapshot_name?wait_for_completion=false"
         #索引备份
         curl -X PUT "$ip_addr:$port/_snapshot/$resposity_name/$snapshot_name?wait_for_completion=false" -H 'Content-Type: application/json' -d '{ "indices": "monitor_quota_20200311", "ignore_unavailable": true, "include_global_state": false }'
         sleep 10
         # 5 查看备份情况
          curl -X GET "$ip_addr:$port/_snapshot/$resposity_name/$snapshot_name?pretty"

        cd $snapshot_location_path
        echo -e '\n******* tar package '$tarFileName' ,sleep 5\n'
        tar --warning=no-file-changed  -czvf  $tarFileName  ./*
        mv $tarFileName $snapshot_tar_path
        rm  ./* -rf
        echo -e '\nes data backup succeed!\n'
        echo -e '\n package in '$snapshot_tar_path' '$tarFileName' \n'

参数 wait_for_completion wait_for_completion=true会一直等待备份结束。
wait_for_completion=false会立即返回,备份在后台进行,可以使用下面的api查看备份的进度:。

备份具体索引 通过设置 include_global_state 为 false,可以阻止集群全局状态信息被保存为快照的一部分
(1)默认情况下,如果如果一个快照中的一个或者多个索引没有所有主分片可用,整个快照创建会失败,该情况可以通过设置 partial 为 true 来改变
(2)快照请求也支持 ignore_unavailable 选项,该选项设置为 true 时,在创建快照时会忽略不存在的索引。默认情况下,如果选项 ignore_unavailable 没有设值,一个索引缺失,快照请求会失败。
(3)快照名可以通过使用 date_math_expressions 来自动获得,和创建新索引时类似。注意特殊字符需要 URI 转码处理。

2还原脚本

#!/bin/bash
        ip_addr=127.0.0.1
        resposity_name=es_backup
        snapshot_name=test_snapshot
        port=9200
        snapshot_location_path=/home/user1/program/backups/es_backup/$resposity_name
        snapshot_tar_path=/home/user1/program/backups/es_backup/tarPackage
        # filename=`date +%Y%m%d%H`  增量时使用
        tarFileName="$resposity_name"_"$snapshot_name".tar.gz
        mkdir -p  $snapshot_location_path
        mkdir -p  $snapshot_tar_path
        chmod -R 777 $snapshot_location_path
        echo -e '\n*******create resposity:'$resposity_name' /n'
        curl -XPUT $ip_addr:$port/_snapshot/$resposity_name -H 'Content-Type: application/json' -d '{"type":"fs","settings":{"location":"'$snapshot_location_path'"}}'

        rm $snapshot_location_path/* -rf
        cp $snapshot_tar_path/$tarFileName $snapshot_location_path
        cd $snapshot_location_path
        echo -e '\n*******tar tarFileName: '$tarFileName' sleep5\n'
        echo ' ********tar -zxvf '$tarFileName'/n'
        tar -zxvf "$tarFileName"
        
        sleep 3
        #查看快照
        curl -X GET "$ip_addr:$port/_snapshot/$resposity_name/$snapshot_name?pretty"
        #rm $snapshot_location_path/$tarFileName -rf
        
        #关闭索引  curl -XPOST $ip_addr:$port/_all/_close
        curl -XPOST $ip_addr:$port/monitor_quota_20200311/_close
        echo -e '\n*******_restore _snapshot sleep 5\n'
        curl -XPOST $ip_addr:$port/_snapshot/$resposity_name/$snapshot_name/_restore?

      ## 恢复单个索引: curl -XPOST 'http://$ip_addr:$port/_snapshot/$resposity_name/$snapshot_name/_restore' -d '{"indices": "index_0101","rename_replacement": "index_0101"}'

        sleep 5
        #打开索引  curl -XPOST localhost:9200/monitor_quota_20200311/_open  curl -XPOST $ip_addr:$port/_all/_open
        curl -XPOST $ip_addr:$port/monitor_quota_20200311/_open
        echo -e '\n es data restore succeed!'

查看恢复状态:
curl -XGET “http:// i p a d d r : ip_addr: ipaddr:port/_snapshot/ r e s p o s i t y n a m e / resposity_name/ resposityname/snapshot_name/_status”
查看快照恢复进度:
查看所有索引的恢复进度 curl -XGET http://192.168.0.101:$port/_recovery/

注意:不同服务器备份和恢复的es版本需要保持一致
参考文档
https://blog.csdn.net/ailiandeziwei/article/details/87857326
https://blog.51cto.com/svsky/2122521
https://www.cnblogs.com/personsiglewine/p/12510845.html

命令行:

1 创建快照仓库
#相对地址
curl -X PUT “localhost:9200/_snapshot/my_backup” -H ‘Content-Type: application/json’ -d’{ “type”: “fs”, “settings”: { “location”: “my_backup” } }’
#绝对地址
curl -X PUT “localhost:9200/_snapshot/es_snapshot” -H ‘Content-Type: application/json’ -d’{ “type”: “fs”, “settings”: { “location”: “/home/user1/program/backups/es_backup/snapshot/es_snapshot” } }’

2 查看仓库信息

2.1查看已注册的快照仓库
curl -X GET “localhost:9200/_snapshot/es_backup”
2.2 获取所有已注册快照仓库
curl -X GET “localhost:9200/_snapshot/_all?pretty”
3 创建快照备份
3.1 全部备份
curl -X PUT “localhost:9200/_snapshot/es_backup/test_snapshot?wait_for_completion=true”
3.2 备份部分索引
curl -X PUT “localhost:9200/_snapshot/es_backup/test_snapshot_1?wait_for_completion=true” -H ‘Content-Type: application/json’ -d ‘{ “indices”: “monitor_quota_20200310”, “ignore_unavailable”: true, “include_global_state”: false }’

4 查看某仓库下所有快照信息:
curl -X GET “localhost:9200/_snapshot/es_backup/_all?pretty”
curl -X GET “ i p a d d r : ip_addr: ipaddr:port/_snapshot/ r e s p o s i t y n a m e / resposity_name/ resposityname/snapshot_name?pretty”
查看具体快照信息
curl -X GET “localhost:9200/_snapshot/es_backup/test_snapshot?pretty”
5 查看当前正在运行的快照:
curl -X GET “localhost:9200/_snapshot/my_backup/_current”

删除快照 ,使用如下命令:curl -X DELETE “localhost:9200/_snapshot/es_backup/test_snapshot”
删除仓库,使用下面命令注销仓库:curl -X DELETE “localhost:9200/_snapshot/es_backup”

数据恢复
全量恢复 快照可以通过执行以下命令恢复:curl -X POST “node1:9200/_snapshot/es_backup/syslog/_restore”

.创建索引:
curl -XPUT ‘localhost:9200/customer?pretty’ or  curl -XPUT ‘localhost:9200/customer/external/1?pretty’ -d ‘{ “name”: “John Doe”}’
6 查看索引
用_cat API检测集群是否健康:curl ‘localhost:9200/_cat/health?v’
查看全部:curl -XGET ‘localhost:9200/_cat/indices?v’
单个:curl -XGET ‘localhost:9200/monitor_quota_20200311/external/1?pretty’
7删除索引
 curl -XDELETE ‘localhost:9200/monitor_quota_20200311?pretty’

8 索引的增删改查有一个类似的格式
总结如下:

curl -X :///
  :REST风格的语法谓词
  :节点ip
  :节点端口号,默认9200
  :索引名
  :索引类型
  :操作对象的ID号

9  导入示例数据集 
 curl -XPOST ‘localhost:9200/bank/account/_bulk?pretty’ --data-binary “@accounts.json”
accounts.json:  其中每个数据都是如下格式:
  {
   “index”:{"_id":“1”}
  }
  {
   “account_number”: 0,
   “balance”: 16623,
   “firstname”: “Bradshaw”,
   “lastname”: “Mckenzie”,
   “age”: 29,
   “gender”: “F”,
   “address”: “244 Columbus Place”,
   “employer”: “Euron”,
   “email”: “[email protected]”,
   “city”: “Hobucken”,
   “state”: “CO”
  }
示我们已经成功批量导入数据索引到bank索引中: 查询 curl 'localhost:9200/bank/_search?q=&pretty’ 其中 q= 表示匹配索引中所有的数据。
10 查询语言

匹配所有数据,但只返回1个:

curl -XPOST ‘localhost:9200/bank/_search?pretty’ -d ’
  {
  “query”: { “match_all”: {} },
   “size”: 1
  }’

注意:如果siez不指定,则默认返回10条数据。

curl -XPOST ‘localhost:9200/bank/_search?pretty’ -d ’
  {
  “query”: { “match_all”: {} },
   “from”: 10,
   “size”: 10
  }’

返回从11到20的数据。(索引下标从0开始)
  curl -XPOST ‘localhost:9200/bank/_search?pretty’ -d ’
  {
   “query”: { “match_all”: {} },
  “sort”: { “balance”: { “order”: “desc” } }
  }’

上述示例匹配所有的索引中的数据,按照balance字段降序排序,并且返回前10条(如果不指定size,默认最多返回10条)。

11.执行搜索

下面例子展示如何返回两个字段(account_number balance)
  curl -XPOST ‘localhost:9200/bank/_search?pretty’ -d ’
  {
   “query”: { “match_all”: {} },
   “_source”: [“account_number”, “balance”]
  }’

你可能感兴趣的:(备份还原,elasticsearch)