Replace Index With Alias on ElasticSearch

Copy the Index to a new index,

curl -X POST "https://localhost:9200/_reindex" -H 'Content-Type: application/json' -k -u username:password -d'

{

  "source": {

    "index": "old-index"

  },

  "dest": {

    "index": "new-index"

  }

}

'

Delete the old Index,

curl -X DELETE "https://localhost:9200/index-name" -k -u username:password

Add alias,

curl -X POST "https://localhost:9200/_aliases" -H 'Content-Type: application/json' -k -u user:password -d'

{

    "actions" : [

        { "add" : { "index" : "index-name", "alias" : "alias-name" } }

    ]

}

'

Show alias

curl -X GET "https://localhost:9200/_alias/fla*" -k -u username:password