Update opensearch.go: updated http client for opensearch to skip tls …

…check (#2)

external: updated opensearch http client to skip tls check

external/opensearch/opensearch.go

@@ -7,6 +7,7 @@ import (
 	"io"
 	"net/http"
 	"strconv"
+	"crypto/tls"
 )
 
 var ErrNotFound  = errors.New("Resource not found")
@@ -17,8 +18,12 @@ type Client struct {
 }
 
 func NewClient(host string) *Client {
+	tr := &http.Transport{
+        TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
+    	}
+    	client := &http.Client{Transport: tr}
 	return &Client{
-		httpClient: http.DefaultClient,
+		httpClient: client,
 		Host: host,
 	}
 }