Redesign to use interfaces instead of direct access to azurehelper

Author: olofmattsson-inriver

config/dependency.go

@@ -15,7 +15,7 @@ import (
 	"github.com/aws/aws-sdk-go/aws/awserr"
 
 	"github.com/gruntwork-io/terragrunt/awshelper"
-	"github.com/gruntwork-io/terragrunt/azurehelper"
+	"github.com/gruntwork-io/terragrunt/internal/azure/azurehelper"
 	"github.com/gruntwork-io/terragrunt/internal/cache"
 	"github.com/gruntwork-io/terragrunt/internal/experiment"
 	"github.com/gruntwork-io/terragrunt/internal/remotestate"

config/dependency_test.go

@@ -11,8 +11,8 @@ import (
 	"testing"
 	"time"
 
-	"github.com/gruntwork-io/terragrunt/azurehelper"
 	"github.com/gruntwork-io/terragrunt/config"
+	"github.com/gruntwork-io/terragrunt/internal/azure/azurehelper"
 	"github.com/gruntwork-io/terragrunt/internal/remotestate"
 	"github.com/gruntwork-io/terragrunt/options"
 	"github.com/gruntwork-io/terragrunt/pkg/log"