Make new slack extension uses the computed AppUrl instead of previous…

…ly defined constant

pagerduty/resource_pagerduty_slack_connection.go

@@ -12,8 +12,6 @@ import (
 	"github.com/heimweh/go-pagerduty/pagerduty"
 )
 
-const AppBaseUrl = "https://app.pagerduty.com"
-
 func resourcePagerDutySlackConnection() *schema.Resource {
 	return &schema.Resource{
 		Create: resourcePagerDutySlackConnectionCreate,
@@ -175,9 +173,10 @@ func resourcePagerDutySlackConnectionRead(d *schema.ResourceData, meta interface
 }
 
 func resourcePagerDutySlackConnectionUpdate(d *schema.ResourceData, meta interface{}) error {
+	var c Config
 	config := &pagerduty.Config{
 		Token:   os.Getenv("PAGERDUTY_USER_TOKEN"),
-		BaseURL: AppBaseUrl,
+		BaseURL: c.AppUrl,
 	}
 	client, err := pagerduty.NewClient(config)
 	if err != nil {
@@ -267,9 +266,10 @@ func flattenConfigList(list []string) interface{} {
 }
 
 func setClientConfig() *pagerduty.Config {
+	var c Config
 	return &pagerduty.Config{
 		Token:   os.Getenv("PAGERDUTY_USER_TOKEN"),
-		BaseURL: AppBaseUrl,
+		BaseURL: c.AppUrl,
 	}
 }