Create Indexes in elasticsearch

Preface

This post assumes that you have some basic understanding of Docker, Docker Compose, and the key components used in the docker ecosystem. Get up to speed, with the Prepare Your Docker Environment section of Docker docs.

Install Docker
install docker-compose
Install Elasticsearch or Run Elasticsearch container

Create the Indice

First, let’s create a twitter user, and add some tweets

curl -XPUT 'http://127.0.0.1:9200/twitter/user/kimchy' -d '{ "name" : "Shay Banon" }'

curl -XPUT 'http://127.0.0.1:9200/twitter/tweet/1' -d '
{
    "user": "kimchy",
    "postDate": "2009-11-15T13:12:00",
    "message": "Trying out Elasticsearch multinode, so far so good?"
}'

curl -XPUT 'http://127.0.0.1:9200/twitter/tweet/2' -d '
{
    "user": "kimchy",
    "postDate": "2009-11-15T14:12:12",
    "message": "Balu tweet, will it be indexed?"
}'

Now, let’s see if the information was added by GETting it:

curl -XGET 'http://127.0.0.1:9200/twitter/user/kimchy?pretty=true'
curl -XGET 'http://127.0.0.1:9200/twitter/tweet/1?pretty=true'
curl -XGET 'http://127.0.0.1:9200/twitter/tweet/2?pretty=true'

Create customer entity with 1000 records

curl -sXPUT 'http://localhost:9200/customer/?pretty' -d '{
  "settings" : {
      "index" : {
          "number_of_shards" : 5,
          "number_of_replicas" : 0
      }
  }
}'

while ! curl -s "localhost:9200/_cat/indices?v" | grep green; do
  sleep 0.1
done

for i in `seq 1 500`; do
  curl -sXPUT "localhost:9200/customer/external/$i?pretty" -d "
  {
    \"number\": $i,
    \"name\": \"John Doe - $i\"
  }"
done

Create student entity with 1000 records

curl -sXPUT 'http://localhost:9200/student/?pretty' -d '{
  "settings" : {
      "index" : {
          "number_of_shards" : 5,
          "number_of_replicas" : 0
      }
  }
}'

while ! curl -s "localhost:9200/_cat/indices?v" | grep green; do
  sleep 0.1
done

for i in `seq 1 20`; do
  curl -sXPUT "localhost:9200/student/external/$i?pretty" -d "
  {
    \"number\": $i,
    \"name\": \"Ram - $i\"
  }"
done

Somemore examples

curl -X PUT "localhost:9200/twitter?pretty"

curl -X PUT "localhost:9200/school?pretty" -H 'Content-Type: application/json' -d'
{
    "settings" : {
        "number_of_shards" : 3,
        "number_of_replicas" : 2
    },
    "mappings" : {
        "properties" : {
            "name" : { "type" : "text" }
        }
    }
}
'

17 Sep 2019