Elasticsearch常规"骚"操作

docker pull elasticsearch:7.10.1
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docker network create technetwork
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docker run --name elasticsearch --net technetwork -p 9200:9200 -p 9300:9300 -e "discovery.type=single-node" -d elasticsearch:7.10.1
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http://localhost:9200
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docker pull kibana:7.10.1
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docker run --name kibana --net technetwork -p 5601:5601 -d kibana:7.10.1
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http://localhost:5601
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GET my_index/_settings
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GET my_index/_mapping
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POST /_aliases
{
  "actions": [{
    "add": {
      "index": "my_index",
      "alias": "techindex"
    }
  }]
}
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POST /_aliases
{
  "actions": [{
    "remove": {
      "index": "my_index",
      "alias": "techindex3"
    }
  }]
}
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GET _cat/aliases?v&alias=tech*
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# get By alias
GET techindex/_doc/1
# get by index
GET my_index/_doc/1
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POST _scripts/my_template
{
  "script": {
    "lang": "mustache",
    "source": {
      "query": {
        "multi_match": {
          "fields": [
            "username"
          ],
          "query": "{{query_string}}"
        }
      }
    }
  }
}
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GET _scripts/my_template
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POST my_index/_search/template
{
  "id": "my_template",
  "params": {
    "query_string": "beijing"
  }
}
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DELETE _scripts/my_template
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POST _scripts/my_template
{
  "script": {
    "lang": "mustache",
    "source": {
      "query": {
        "multi_match": {
          "fields": [
            "username",
            "city"
          ],
          "query": "{{query_string}}"
        }
      }
    }
  }
}
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PUT _ingest/pipeline/my_pipeline
{
  "description": "update from string to double",
  "processors": [
    {
      "convert": {
        "field": "price",
        "type": "float"
      }
    }
  ]
}
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POST _ingest/pipeline/my_pipeline/_simulate
{
  "docs": [
    {
      "_index": "index",
      "_id": "id",
      "_source": {
        "product": "Macbook",
        "price": "999"
      }
    },
    {
      "_index": "index",
      "_id": "id",
      "_source": {
        "product": "iPhone",
        "price": "666"
      }
    }
  ]
}
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GET _ingest/pipeline/my_pipeline
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PUT my_index/_doc/4?pipeline=my_pipeline
{
  "product": "iPad",
  "price": "999"
}
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DELETE _ingest/pipeline/my_pipeline
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