fix http/https can't be recognized issue when connect to AWS Elasticsearch(amazon-archives#26)

* fix http/https can't be recognized issue when connect to AWS Elasticsearch

* update readme and usage gif

Author: zhongnansu

README.md

@@ -41,7 +41,7 @@ Check out [clirc](./odfesql_cli/conf/clirc) for details of all available configu
     - *-u/-w:* username and password. User needs to provide credentials when connecting to:
         - Elasticsearch with X-pack security enabled
         - Elasticsearch OSS with [Open distro Security Plugin](https://opendistro.github.io/for-elasticsearch-docs/docs/install/plugins/) installed
-        - IP-based AWS Elasticsearch domain with [Fine Grained Access Control](https://docs.aws.amazon.com/elasticsearch-service/latest/developerguide/fgac.html) enabled
+        - AWS Elasticsearch domain with [Fine Grained Access Control](https://docs.aws.amazon.com/elasticsearch-service/latest/developerguide/fgac.html) enabled
 
     - *--aws-auth:* turn on to use AWS sigV4 authentication. It can be configured by AWS CLI `aws configure` command. ODFE SQL
     CLI will try to retrieve this config to connect.

odfesql_cli/esconnection.py

@@ -65,7 +65,7 @@ def get_aes_client(self):
             click.secho(message="Can not retrieve your AWS credentials, check your AWS config", fg="red")
 
         aes_client = Elasticsearch(
-            hosts=[{"host": str(self.endpoint), "port": 443}],
+            hosts=[self.endpoint],
             http_auth=self.aws_auth,
             use_ssl=True,
             verify_certs=True,

screenshots/usage.gif

@@ -140,7 +140,7 @@ def test_get_aes_client(self):
             aes_test_executor.get_aes_client()
 
             mock_es.assert_called_with(
-                hosts=[{"host": str(AES_ENDPOINT), "port": 443}],
+                hosts=[AES_ENDPOINT],
                 http_auth=aes_test_executor.aws_auth,
                 use_ssl=True,
                 verify_certs=True,