Fixes #3466 - Remote path needs to be set prior to config interpolation (#3468)

provisioner/chef-client/provisioner.go

@@ -235,6 +235,14 @@ func (p *Provisioner) Provision(ui packer.Ui, comm packer.Communicator) error {
 			return fmt.Errorf("Error uploading encrypted data bag secret: %s", err)
 		}
 	}
+
+	if p.config.ValidationKeyPath != "" {
+		remoteValidationKeyPath = fmt.Sprintf("%s/validation.pem", p.config.StagingDir)
+		if err := p.uploadFile(ui, comm, remoteValidationKeyPath, p.config.ValidationKeyPath); err != nil {
+			return fmt.Errorf("Error copying validation key: %s", err)
+		}
+	}
+
 	configPath, err := p.createConfig(
 		ui,
 		comm,
@@ -250,13 +258,6 @@ func (p *Provisioner) Provision(ui packer.Ui, comm packer.Communicator) error {
 		return fmt.Errorf("Error creating Chef config file: %s", err)
 	}
 
-	if p.config.ValidationKeyPath != "" {
-		remoteValidationKeyPath = fmt.Sprintf("%s/validation.pem", p.config.StagingDir)
-		if err := p.uploadFile(ui, comm, remoteValidationKeyPath, p.config.ValidationKeyPath); err != nil {
-			return fmt.Errorf("Error copying validation key: %s", err)
-		}
-	}
-
 	jsonPath, err := p.createJson(ui, comm)
 	if err != nil {
 		return fmt.Errorf("Error creating JSON attributes: %s", err)