elasticsearch

# Describe API instructions for elasticsearch

# The delete index API allows to delete an existing index
 curl -XDELETE 'http://localhost:9200/twitter/'

# List indexes
 curl 'localhost:9200/_cat/indices?v'

# The get index API allows to retrieve information about one or more indexes.
 curl -XGET 'http://localhost:9200/twitter/'

# Statistics . https://www.elastic.co/guide/en/elasticsearch/reference/current/indices-stats.html
  curl localhost:9200/logstash-2015.11.17/_stats/indexing  | python -mjson.tool 
  curl localhost:9200/logstash-2015.11.17/_stats  | python -mjson.tool 
  curl localhost:9200/_stats  | python -mjson.tool 

# View mapping for all index fields
 curl -s '192.168.66.24:9200/sjc06-logs-gws-2016.10.05/_mapping/field/*' 

# Create an index
curl -XPUT 172.17.0.2:9200/test_index -d \
'{ "settings" : { "index" : { "number_of_shards" : 3, "number_of_replicas" : 2 } } }'

# Get cluster status
curl -XGET 172.17.0.2:9200/_cluster/state?pretty | less

# Get cluster settings
curl -XGET 172.17.0.2:9200/_cluster/settings?pretty

# More info at https://www.elastic.co/guide/en/elasticsearch/reference/1.4/indices.html


# Install HEAD pluggin
bin/plugin install mobz/elasticsearch-head
access url - http://172.17.0.3:9200/_plugin/head/


# Move shards
curl -XPOST 'localhost:9200/_cluster/reroute?pretty' -H 'Content-Type: application/json' -d'
{
    "commands" : [
        {
            "move" : {
                "index" : "test", "shard" : 0,
                "from_node" : "node1", "to_node" : "node2"
            }
        },
        {
          "allocate_replica" : {
                "index" : "test", "shard" : 1,
                "node" : "node3"
          }
        }
    ]
}
'

# Add data to index 
 curl -XPUT 172.17.0.4:9200/test_index2/test/2 -d@- <<!
{
    "first_name" : "John",
    "last_name" :  "Smith",
    "age" :        25,
    "about" :      "I love to go rock climbing",
    "interests": [ "sports", "music" ]
}
!

# Configurations
node.name: some_name
node.master: true/false
node.data: true/false
discovery.zen.ping.unicast.hosts: ["list", "of","other","nodes"]