ElasticSearch基本操作——curl
获取集群信息
[yangqi@xiaoer ~]$ curl -XGET 'xiaoer:9200'

查看es集群是否健康
[yangqi@xiaoer ~]$ curl -XGET 'xiaoer:9200/_cat/health?v'

查看节点列表
[yangqi@xiaoer ~]$ curl -XGET 'xiaoer:9200/_cat/nodes?v'

查看es集群所有的索引
[yangqi@xiaoer ~]$ curl -XGET 'xiaoer:9200/_cat/indices?v'

创建索引

新建一个名叫blog的index

[yangqi@xiaoer ~]$ curl -XPUT 'xiaoer:9200/blog'

# 加上 pretty 可以使用 JSON 格式输出
[yangqi@xiaoer ~]$ curl -XPUT 'xiaoer:9200/blog?pretty'

# 创建索引时指定分区数量/副本数
[yangqi@xiaoer ~]$ curl -H 'Content-Type: application/json' -XPUT 'http://xiaoer:9200/blog' -d '{ "index": { "number_of_shards": 2, "number_of_replicas": 1 } }'
查询索引
# 查询单个索引
[yangqi@xiaoer ~]$ curl -XGET 'http://xiaoer:9200/blog?pretty'
[yangqi@xiaoer ~]$ curl -XGET 'http://xiaoer:9200/blog/_settings?pretty'

# 查询多个索引
[yangqi@xiaoer ~]$ curl -XGET 'http://xiaoer:9200/blog,blog1/_settings?pretty'

# 查询所以索引
[yangqi@xiaoer ~]$ curl -XGET 'http://xiaoer:9200/_all/_settings?pretty'
? 更改索引副本
[yangqi@xiaoer ~]$ curl -H 'Content-Type: application/json' -XPUT 'http://xiaoer:9200/_template/templatehttprequestrecord?pretty' -d '{ "indexpatterns": ["*"], "settings": { "number_of_shards": 3, "number_of_replicas": 1 } }'
删除索引
# 删除指定 id 的文档
[yangqi@xiaoer ~]$ curl -XDELETE 'http://xiaoer:9200/library/books/2?pretty'

# 删除
[yangqi@xiaoer ~]$ curl -XDELETE 'http://xiaoer:9200/library/books?pretty'

# 删除索引
[yangqi@xiaoer ~]$ curl -XDELETE 'http://xiaoer:9200/library?pretty'
添加文档
[yangqi@xiaoer ~]$ curl -H 'Content-Type: application/json' -XPUT 'http://xiaoer:9200/library/books/1' -d '{ "title": "this is es book", "name": { "first": "lao", "last": "six" }, "publish_date": "2000-02-02", "price": 199.9 }'

# 不指定 id，一定要用 POST 提交
[yangqi@xiaoer ~]$ curl -H 'Content-Type: application/json' -XPOST 'http://xiaoer:9200/library/books?pretty' -d '{ "title": "this is es book", "name": { "first": "lao", "last": "wang" }, "publish_date": "2001-02-03", "price": 299.9 }'

# 指定 op_type 创建：（op_type=create，表示不存在就创建，存在就报错;等价于 _create）
[yangqi@xiaoer ~]$ curl -H 'Content-Type: application/json' -XPUT 'http://xiaoer:9200/library/books/1?op_type=create' -d '{ "title": "this is es book", "name": { "first": "lao", "last": "sun" }, "publish_date": "2000-03-04", "price": 200.9 }'

# 指定 _create 创建
[yangqi@xiaoer ~]$ curl -H 'Content-Type: application/json' -XPUT 'http://xiaoer:9200/library/books/3/_create' -d '{ "title": "this is es book", "name": { "first": "lao", "last": "sun" }, "publish_date": "2000-04-05", "price":300 }'


# 不指定 op_type，_create：（覆盖操作）
[yangqi@xiaoer ~]$ curl -H 'Content-Type: application/json' -XPUT 'http://xiaoer:9200/library/books/3?pretty' -d '{ "title": "this is java book", "name": { "first": "li", "last": "jun" }, "publish_date": "1998-09-08", "price": 34.5 }'

# 指定 routing
[yangqi@xiaoer ~]$ curl -H 'Content-Type: application/json' -XPUT 'http://xiaoer:9200/library/books/2?routing=this' -d '{ "title": "this is routing", "name": { "first": "sun", "last": "qiang" }, "publish_date": "1889-08-08", "price": 78.3 }'

# 指定 timeout
[yangqi@xiaoer ~]$ curl -H 'Content-Type: application/json' -XPUT 'http://xiaoer:9200/library/books/4?timeout=5m' -d '{ "title": "this is timeout", "name": { "first": "sun", "last": "wang" }, "publish_date": "1999-08-07", "price": 2000 }'

获取文档
# 指定 id
[yangqi@xiaoer ~]$ curl -XGET 'xiaoer:9200/library/books/1?pretty'

# 指定获取字段
[yangqi@xiaoer ~]$ curl -XGET 'http://xiaoer:9200/library/books/1?_source=price&pretty'

# 查询多个 id：多个索引查询都可以
[yangqi@xiaoer ~]$ curl -H 'Content-Type: application/json' -XGET 'http://xiaoer:9200/_mget?pretty' -d '{ "docs": [ { "_index": "library", "_type": "books", "_id": 1 }, { "_index": "library", "_type": "books", "_id": 2 } ] }'

# 查询多个 id 和字段
[yangqi@xiaoer ~]$ curl -H 'Content-Type: application/json' -XGET 'http://xiaoer:9200/_mget?pretty' -d '{ "docs": [ { "_index": "library", "_type": "books", "_id": 1, "_source": [ "title", "price" ] }, { "_index": "library", "_type": "books", "_id", 3 } ] }'

# 查询多个 id
[yangqi@xiaoer ~]$ curl -H 'Content-Type: application/json' -XGET 'http://xiaoer:9200/library/books/_mget?pretty' -d '{ "ids": ["1", "2"] }'

更新文档
# 指定 id，覆盖更新，如果没有指定的字段，则为空
[yangqi@xiaoer ~]$ curl -H 'Content-Type: application/json' -XPUT 'http://xiaoer:9200/library/books/1?pretty' -d '{ "price": 3000 }'

# 局部更新：需要 POST，_update，doc
[yangqi@xiaoer ~]$ curl -H "Content-Type: application/json" -XPOST 'xiaoer:9200/library/books/1/_update?pretty' -d '{ "doc": { "name": { "first": "lao", "last": "liu" } } }'

查看更新的文档

[yangqi@xiaoer ~]$ curl -XGET 'xiaoer:9200/library/books/1?pretty'