Elasticsearch简单API调用

#集群健康状态：
[root@localhost elasticsearch-5.4.1]# curl -XGET '128.0.0.101:9200/_cat/health?v&pretty'
epoch      timestamp cluster       status node.total node.data shards pri relo init unassign pending_tasks max_task_wait_time active_shards_percent
1516792174 19:09:34  elasticsearch yellow          1         1      5   5    0    0        5             0                  -                 50.0%
#集群节点列表：
[root@localhost elasticsearch-5.4.1]# curl -XGET '128.0.0.101:9200/_cat/nodes?v&pretty'
ip          heap.percent ram.percent cpu load_1m load_5m load_15m node.role master name
128.0.0.101            6          82   0    0.00    0.00     0.00 mdi       *      u9dcelG
#查看索引列表：
[root@localhost elasticsearch-5.4.1]# curl -XGET '128.0.0.101:9200/_cat/indices?v&pretty'
health status index uuid                   pri rep docs.count docs.deleted store.size pri.store.size
yellow open   test  93bbE_eXTtm_mVvujlxxVA   5   1          0            0       650b           650b
#创建索引
[root@localhost elasticsearch-5.4.1]# curl -XPUT '128.0.0.101:9200/test?pretty&pretty'
{
  "acknowledged" : true,
  "shards_acknowledged" : true
}
#创建索引并添加文档
[root@localhost elasticsearch-5.4.1]# curl -XPUT '128.0.0.101:9200/test/external/1?pretty&pretty' -d'
> {
> "name":"elk test"
> }'
{
  "_index" : "test",
  "_type" : "external",
  "_id" : "1",
  "_version" : 1,
  "result" : "created",
  "_shards" : {
    "total" : 2,
    "successful" : 1,
    "failed" : 0
  },
  "created" : true
}

#查看索引
[root@localhost elasticsearch-5.4.1]# curl -XGET '128.0.0.101:9200/test/external/1?pretty&pretty'
{
  "_index" : "test",
  "_type" : "external",
  "_id" : "1",
  "_version" : 1,
  "found" : true,
  "_source" : {
    "name" : "elk test"
  }
}
#删除索引
[root@localhost elasticsearch-5.4.1]# curl -XDELETE '128.0.0.101:9200/test/external/1?pretty&pretty'
{
  "found" : true,
  "_index" : "test",
  "_type" : "external",
  "_id" : "1",
  "_version" : 2,
  "result" : "deleted",
  "_shards" : {
    "total" : 2,
    "successful" : 1,
    "failed" : 0
  }
}

#总结格式
<REST Verb>/<Index>/<Type>/<ID>
#替换文档
[root@localhost elasticsearch-5.4.1]# curl -XPUT '128.0.0.101:9200/test/external/1?pretty&pretty' -d'
{
"name":"elk test5"
}'
{
  "_index" : "test",
  "_type" : "external",
  "_id" : "1",
  "_version" : 9,
  "result" : "updated",
  "_shards" : {
    "total" : 2,
    "successful" : 1,
    "failed" : 0
  },
  "created" : false
}

#没创建索引并添加文档（不显示指定ID）
[root@localhost elasticsearch-5.4.1]# curl -XPOST '128.0.0.101:9200/test/external?pretty&pretty' -d'
{
"name":"elk test3"
}'
{
  "_index" : "test",
  "_type" : "external",
  "_id" : "AWEpYQSdAcj1E5z65ZJt",
  "_version" : 1,
  "result" : "created",
  "_shards" : {
    "total" : 2,
    "successful" : 1,
    "failed" : 0
  },
  "created" : true
}
#update更新
[root@localhost elasticsearch-5.4.1]# curl -XPOST '128.0.0.101:9200/test/external/1/_update?pretty&pretty' -d'
{
"doc":{"name":"elk test5"}
}'
{
  "_index" : "test",
  "_type" : "external",
  "_id" : "1",
  "_version" : 3,
  "result" : "updated",
  "_shards" : {
    "total" : 2,
    "successful" : 1,
    "failed" : 0
  }
}
#添加字段
[root@localhost elasticsearch-5.4.1]# curl -XPOST '128.0.0.101:9200/test/external/1/_update?pretty&pretty' -d'
{
"doc":{"name":"elk test5","age":18}
}'
{
  "_index" : "test",
  "_type" : "external",
  "_id" : "1",
  "_version" : 4,
  "result" : "updated",
  "_shards" : {
    "total" : 2,
    "successful" : 1,
    "failed" : 0
  }
}
[root@localhost elasticsearch-5.4.1]# curl -XGET '128.0.0.101:9200/test/external/1?pretty&pretty'
{
  "_index" : "test",
  "_type" : "external",
  "_id" : "1",
  "_version" : 4,
  "found" : true,
  "_source" : {
    "name" : "elk test5",
    "age" : 18
  }
}
#用脚本
[root@localhost elasticsearch-5.4.1]# curl -XPOST '128.0.0.101:9200/test/external/1/_update?pretty&pretty' -d'
{
"script":"ctx._source.age+=5"
}'
{
  "_index" : "test",
  "_type" : "external",
  "_id" : "1",
  "_version" : 5,
  "result" : "updated",
  "_shards" : {
    "total" : 2,
    "successful" : 1,
    "failed" : 0
  }
}
#批量处理
[root@localhost elasticsearch-5.4.1]# curl -XPOST '128.0.0.101:9200/test/external/_bulk?pretty&pretty' -d'
> {"index":{"_id":"1"}}
> {"name":"elk bulk1"}
> {"index":{"_id":"2"}}
> {"name":"elk bulk2"}'
{
  "took" : 9,
  "errors" : false,
  "items" : [
    {
      "index" : {
        "_index" : "test",
        "_type" : "external",
        "_id" : "1",
        "_version" : 6,
        "result" : "updated",
        "_shards" : {
          "total" : 2,
          "successful" : 1,
          "failed" : 0
        },
        "created" : false,
        "status" : 200
      }
    }
  ]
}
#更新删除
[root@localhost elasticsearch-5.4.1]# curl -XPOST '128.0.0.101:9200/test/external/_bulk?pretty&pretty' -d'
{"update":{"_id":"1"}}
{"doc":{"name":"elk bulk1 is becoming"}}
{"delete":{"_id":"2"}}'
{
  "took" : 8,
  "errors" : false,
  "items" : [
    {
      "update" : {
        "_index" : "test",
        "_type" : "external",
        "_id" : "1",
        "_version" : 7,
        "result" : "updated",
        "_shards" : {
          "total" : 2,
          "successful" : 1,
          "failed" : 0
        },
        "status" : 200
      }
    }
  ]
}