Get all index and types' names from cluster in ElasticSearch (ok)

https://stackoverflow.com/questions/31087204/get-all-index-and-types-names-from-cluster-in-elasticsearch

curl -XGET 'http://localhost:9200/_cat/indices?v'
will give you all the indexes.
curl -XGET 'http://localhost:9200/_mapping?pretty=true'