Elasticsearch 常用操作命令整合 (cURL 版本)

Elasticsearch 常用操作命令整合 (cURL 版本)

集群管理

查看集群健康状态

curl -X GET "localhost:9200/_cluster/health?pretty"

查看节点信息

curl -X GET "localhost:9200/_cat/nodes?v"

查看集群统计信息

curl -X GET "localhost:9200/_cluster/stats?human&pretty"

索引操作

创建索引

curl -X PUT "localhost:9200/index_name" -H 'Content-Type: application/json' -d'
{"settings": {"number_of_shards": 3,"number_of_replicas": 1},"mappings": {"properties": {"field1": { "type": "text" },"field2": { "type": "keyword" }}}
}
'

查看所有索引

curl -X GET "localhost:9200/_cat/indices?v"

查看特定索引信息

curl -X GET "localhost:9200/index_name?pretty"

删除索引

curl -X DELETE "localhost:9200/index_name"

关闭/打开索引

curl -X POST "localhost:9200/index_name/_close"
curl -X POST "localhost:9200/index_name/_open"

文档操作

索引/创建文档

curl -X POST "localhost:9200/index_name/_doc" -H 'Content-Type: application/json' -d'
{"field1": "value1","field2": "value2"
}
'curl -X PUT "localhost:9200/index_name/_doc/1" -H 'Content-Type: application/json' -d'
{"field1": "value1","field2": "value2"
}
'

获取文档

curl -X GET "localhost:9200/index_name/_doc/1?pretty"

更新文档

curl -X POST "localhost:9200/index_name/_update/1" -H 'Content-Type: application/json' -d'
{"doc": {"field1": "new_value"}
}
'

删除文档

curl -X DELETE "localhost:9200/index_name/_doc/1"

批量操作

curl -X POST "localhost:9200/_bulk" -H 'Content-Type: application/json' -d'
{ "index" : { "_index" : "index_name", "_id" : "1" } }
{ "field1" : "value1" }
{ "delete" : { "_index" : "index_name", "_id" : "2" } }
{ "create" : { "_index" : "index_name", "_id" : "3" } }
{ "field1" : "value3" }
{ "update" : {"_id" : "1", "_index" : "index_name"} }
{ "doc" : {"field2" : "value2"} }
'

搜索操作

简单搜索

curl -X GET "localhost:9200/index_name/_search" -H 'Content-Type: application/json' -d'
{"query": {"match": {"field1": "search_term"}}
}
'

复合查询

curl -X GET "localhost:9200/index_name/_search" -H 'Content-Type: application/json' -d'
{"query": {"bool": {"must": [{ "match": { "field1": "value1" } },{ "range": { "field2": { "gte": 10 } } }]}}
}
'

聚合查询

curl -X GET "localhost:9200/index_name/_search" -H 'Content-Type: application/json' -d'
{"aggs": {"agg_name": {"terms": { "field": "field2" }}}
}
'

索引别名

创建别名

curl -X POST "localhost:9200/_aliases" -H 'Content-Type: application/json' -d'
{"actions": [{"add": {"index": "index_name","alias": "alias_name"}}]
}
'

切换别名

curl -X POST "localhost:9200/_aliases" -H 'Content-Type: application/json' -d'
{"actions": [{ "remove": { "index": "old_index", "alias": "alias_name" } },{ "add": { "index": "new_index", "alias": "alias_name" } }]
}
'

索引模板

创建索引模板

curl -X PUT "localhost:9200/_template/template_name" -H 'Content-Type: application/json' -d'
{"index_patterns": ["pattern*"],"settings": {"number_of_shards": 1},"mappings": {"properties": {"field1": { "type": "text" }}}
}
'

数据迁移

使用_reindex API

curl -X POST "localhost:9200/_reindex" -H 'Content-Type: application/json' -d'
{"source": {"index": "old_index"},"dest": {"index": "new_index"}
}
'

常用_cat API

查看分片分配

curl -X GET "localhost:9200/_cat/shards?v"

查看任务

curl -X GET "localhost:9200/_cat/tasks?v"

查看插件

curl -X GET "localhost:9200/_cat/plugins?v"

查看线程池

curl -X GET "localhost:9200/_cat/thread_pool?v"

认证相关 (如果启用了安全功能)

带基本认证的请求

curl -u username:password -X GET "localhost:9200/_cluster/health?pretty"

带API密钥的请求

curl -H "Authorization: ApiKey your_api_key" -X GET "localhost:9200/_cluster/health?pretty"

注意：

1. 默认使用localhost:9200，如果ES运行在其他主机或端口，请相应修改
2. 如果启用了安全功能，需要添加认证信息
3. 对于生产环境，建议使用HTTPS协议