ElasticSearch基本操作——curl

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'