Use AWS_REGION.

Signed-off-by: dblock <[email protected]>

README.md

@@ -10,9 +10,9 @@ Create an OpenSearch domain in (AWS) which support IAM based AuthN/AuthZ.
 export AWS_ACCESS_KEY_ID=
 export AWS_SECRET_ACCESS_KEY=
 export AWS_SESSION_TOKEN=
+export AWS_REGION=
 
 export OPENSEARCH_ENDPOINT=https://....us-west-2.es.amazonaws.com
-export OPENSEARCH_REGION=us-west-2
 
 bundle exec ruby example.rb
 ```

example.rb

@@ -14,34 +14,34 @@
 
 signer = Aws::Sigv4::Signer.new(
   service: 'es',
-  region: ENV['OPENSEARCH_REGION'] || 'us-east-1',
+  region: ENV['AWS_REGION'] || 'us-east-1',
   access_key_id: ENV['AWS_ACCESS_KEY_ID'] || raise('Missing AWS_ACCESS_KEY_ID.'),
   secret_access_key: ENV['AWS_SECRET_ACCESS_KEY'] || raise('Missing AWS_SECRET_ACCESS_KEY.'),
   session_token: ENV['AWS_SESSION_TOKEN']
 )
 
 client = OpenSearch::Aws::Sigv4Client.new({
-  host: ENV['OPENSEARCH_ENDPOINT'] || raise('Missing OPENSEARCH_ENDPOINT.')
-  # log: true
+  host: ENV['OPENSEARCH_ENDPOINT'] || raise('Missing OPENSEARCH_ENDPOINT.'),
+  log: false
 }, signer)
 
 info = client.info
 puts info['version']['distribution'] + ': ' + info['version']['number']
 
 # create an index
-index = 'sample-index'
+index = 'movies'
 client.indices.create(index: index)
 
 begin
   # index data
-  document = { first_name: 'Bruce' }
+  document = { title: 'Moneyball', director: 'Bennett Miller', year: 2011 }
   client.index(index: index, body: document, id: '1', refresh: true)
 
   # wait for the document to index
   sleep(3)
 
   # search for the document
-  results = client.search(body: { query: { match: { first_name: 'bruce' } } })
+  results = client.search(body: { query: { match: { director: 'miller' } } })
   results['hits']['hits'].each do |hit|
     puts hit
   end