Elasticsearch への問い合わせ (Ruby)

こちらで作成したデータに Ruby で問い合わせをします。
Elasticsearch へのデータ投入

Arch Linux でのライブラリーのインストール

yay -S ruby-rest-client

elastic_query.rb

# ! /usr/bin/ruby
# -*- coding: utf-8 -*-
#
#	elastic_search.rb
#
#					Oct/04/2018
#
# ---------------------------------------------------------------------
require 'restclient'
require 'json'
#
# ---------------------------------------------------------------------
STDERR.puts	"*** 開始 ***"

URL = "http://localhost:9200/_search?q=tags:apple,moon"

str_json = RestClient.get URL

dict_aa = JSON.parse(str_json)

list_aa = dict_aa['hits']['hits']
list_aa.each {|unit|
	puts unit['_id']
	ss = unit['_source']
	puts "\t" + ss['name']
	puts "\t" + ss['title']
	puts "\t" + ss['content']
	str_out = ""
	ss['tags'].each {|tag|
		str_out += "\t" + tag
		}
	puts str_out
	}

STDERR.puts	"*** 終了 ***"
# ---------------------------------------------------------------------
#

実行結果

$ ./elastic_query.rb 
*** 開始 ***
t0003
	渡辺五郎
	My Name Is Watanabe
	I love fish
	apple	orange	banana
t0002
	田中康夫
	My Name Is Tanaka
	I love cat
	Earth	Moon	Mars
*** 終了 ***