fix: enable using custom provider by specifying env var (#1605)

pkg/shared/hacks/temp.go

@@ -9,6 +9,7 @@ import (
 	"fmt"
 	"io"
 	"net/http"
+	"os"
 
 	"github.com/redhat-developer/app-services-cli/pkg/core/logging"
 	kafkamgmtclient "github.com/redhat-developer/app-services-sdk-go/kafkamgmt/apiv1/client"
@@ -17,7 +18,13 @@ import (
 // Temporary hack that we use to determine if
 // Our CLI needs to use mas-sso token
 func ShouldUseMasSSO(logger logging.Logger, apiUrl string) bool {
-	req, err := http.NewRequest("GET", apiUrl+"/api/kafkas_mgmt/v1/sso_providers", nil)
+	finalUrl := apiUrl + "/api/kafkas_mgmt/v1/sso_providers"
+	externalUrl := os.Getenv("RHOAS_CUSTOM_SSO_PROVIDER_URL")
+	if externalUrl != "" {
+		finalUrl = externalUrl
+	}
+
+	req, err := http.NewRequest("GET", finalUrl, nil)
 	if err != nil {
 		logger.Debug("Error when fetching auth config", err)
 		return true