Add debug mode on provider

Author: disaster37

README.md

@@ -15,7 +15,7 @@ We fork this project for the following items:
 
 ## Installation
 
-[Download a binary](https://github.com/phillbaker/terraform-provider-elasticsearch/releases), and put it in a good spot on your system. Then update your `~/.terraformrc` to refer to the binary:
+[Download a binary](https://github.com/disaster37/terraform-provider-elasticsearch/releases), and put it in a good spot on your system. Then update your `~/.terraformrc` to refer to the binary:
 
 ```hcl
 providers {
@@ -50,6 +50,7 @@ provider "elasticsearch" {
 - **cacert_file**: (optional) The CA contend to use if you use custom PKI.
 - **retry**: (optional) The number of time you should to retry connexion befaore exist with error. Default to `6`.
 - **wait_before_retry**: (optional) The number of time in second we wait before each connexion retry. Default to `10`.
+- **debug**: (optional) To display debug logs
 
 ___
 

es/provider.go

@@ -66,6 +66,12 @@ func Provider() terraform.ResourceProvider {
 				Default:     10,
 				Description: "Wait time in second before retry connexion",
 			},
+			"debug": {
+				Type:        schema.TypeBool,
+				Optional:    true,
+				Default:     false,
+				Description: "Enable debug log level in provider",
+			},
 		},
 
 		ResourcesMap: map[string]*schema.Resource{
@@ -100,6 +106,11 @@ func providerConfigure(d *schema.ResourceData) (interface{}, error) {
 	transport := &http.Transport{
 		TLSClientConfig: &tls.Config{},
 	}
+	debug := d.Get("debug").(bool)
+
+	if debug {
+		log.SetLevel(log.DebugLevel)
+	}
 	// Checks is valid URLs
 	for _, rawURL := range URLs {
 		_, err := url.Parse(rawURL)
@@ -143,11 +154,14 @@ func providerConfigure(d *schema.ResourceData) (interface{}, error) {
 		)
 		if err == nil && res.IsError() == false {
 			isOnline = true
+			log.Debug("Connexion ok")
 		} else {
 			if nbFailed == retry {
+				log.Debug("Connexion failed, end of retry, we exit")
 				return nil, err
 			}
 			nbFailed++
+			log.Debug("Connexion failed, retry")
 			time.Sleep(time.Duration(waitBeforeRetry) * time.Second)
 		}
 	}