feat: add apply object to plugin (#11)

Co-authored-by: David Vader <[email protected]>

cmd/vela-kubernetes/apply.go

@@ -0,0 +1,29 @@
+// Copyright (c) 2020 Target Brands, Inc. All rights reserved.
+//
+// Use of this source code is governed by the LICENSE file in this repository.
+
+package main
+
+import (
+	"fmt"
+
+	"github.com/sirupsen/logrus"
+)
+
+// Apply represents the plugin configuration for Apply config information.
+type Apply struct {
+	// Kubernetes files or directories to apply
+	Files []string
+}
+
+// Validate verifies the Apply is properly configured.
+func (a *Apply) Validate() error {
+	logrus.Trace("validating apply configuration")
+
+	// verify files are provided
+	if len(a.Files) == 0 {
+		return fmt.Errorf("no apply files provided")
+	}
+
+	return nil
+}

cmd/vela-kubernetes/apply_test.go

@@ -0,0 +1,31 @@
+// Copyright (c) 2020 Target Brands, Inc. All rights reserved.
+//
+// Use of this source code is governed by the LICENSE file in this repository.
+
+package main
+
+import (
+	"testing"
+)
+
+func TestKubernetes_Apply_Validate(t *testing.T) {
+	// setup types
+	a := &Apply{
+		Files: []string{"files"},
+	}
+
+	err := a.Validate()
+	if err != nil {
+		t.Errorf("Validate returned err: %v", err)
+	}
+}
+
+func TestKubernetes_Apply_Validate_NoFiles(t *testing.T) {
+	// setup types
+	a := &Apply{}
+
+	err := a.Validate()
+	if err == nil {
+		t.Errorf("Validate should have returned err")
+	}
+}