test(zfspv): minikube setup for travis

to run integration test cases

Signed-off-by: Pawan <pawan@mayadata.io>

tests/k8svolume/build.go

@@ -0,0 +1,139 @@
+/*
+Copyright 2019 The OpenEBS Authors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package k8svolume
+
+import (
+	"github.com/openebs/zfs-localpv/pkg/common/errors"
+	corev1 "k8s.io/api/core/v1"
+)
+
+// Builder is the builder object for Volume
+type Builder struct {
+	volume *Volume
+	errs   []error
+}
+
+// NewBuilder returns new instance of Builder
+func NewBuilder() *Builder {
+	return &Builder{volume: &Volume{object: &corev1.Volume{}}}
+}
+
+// WithName sets the Name field of Volume with provided value.
+func (b *Builder) WithName(name string) *Builder {
+	if len(name) == 0 {
+		b.errs = append(
+			b.errs,
+			errors.New("failed to build Volume object: missing Volume name"),
+		)
+		return b
+	}
+	b.volume.object.Name = name
+	return b
+}
+
+// WithHostDirectory sets the VolumeSource field of Volume with provided hostpath
+// as type directory.
+func (b *Builder) WithHostDirectory(path string) *Builder {
+	if len(path) == 0 {
+		b.errs = append(
+			b.errs,
+			errors.New("failed to build volume object: missing volume path"),
+		)
+		return b
+	}
+	volumeSource := corev1.VolumeSource{
+		HostPath: &corev1.HostPathVolumeSource{
+			Path: path,
+		},
+	}
+
+	b.volume.object.VolumeSource = volumeSource
+	return b
+}
+
+// WithHostPathAndType sets the VolumeSource field of Volume with provided
+// hostpath as directory path and type as directory type
+func (b *Builder) WithHostPathAndType(
+	dirpath string,
+	dirtype *corev1.HostPathType,
+) *Builder {
+	if dirtype == nil {
+		b.errs = append(
+			b.errs,
+			errors.New("failed to build volume object: nil volume type"),
+		)
+		return b
+	}
+	if len(dirpath) == 0 {
+		b.errs = append(
+			b.errs,
+			errors.New("failed to build volume object: missing volume path"),
+		)
+		return b
+	}
+	newdirtype := *dirtype
+	volumeSource := corev1.VolumeSource{
+		HostPath: &corev1.HostPathVolumeSource{
+			Path: dirpath,
+			Type: &newdirtype,
+		},
+	}
+
+	b.volume.object.VolumeSource = volumeSource
+	return b
+}
+
+// WithPVCSource sets the Volume field of Volume with provided pvc
+func (b *Builder) WithPVCSource(pvcName string) *Builder {
+	if len(pvcName) == 0 {
+		b.errs = append(
+			b.errs,
+			errors.New("failed to build volume object: missing pvc name"),
+		)
+		return b
+	}
+	volumeSource := corev1.VolumeSource{
+		PersistentVolumeClaim: &corev1.PersistentVolumeClaimVolumeSource{
+			ClaimName: pvcName,
+		},
+	}
+	b.volume.object.VolumeSource = volumeSource
+	return b
+}
+
+// WithEmptyDir sets the EmptyDir field of the Volume with provided dir
+func (b *Builder) WithEmptyDir(dir *corev1.EmptyDirVolumeSource) *Builder {
+	if dir == nil {
+		b.errs = append(
+			b.errs,
+			errors.New("failed to build volume object: nil dir"),
+		)
+		return b
+	}
+
+	newdir := *dir
+	b.volume.object.EmptyDir = &newdir
+	return b
+}
+
+// Build returns the Volume API instance
+func (b *Builder) Build() (*corev1.Volume, error) {
+	if len(b.errs) > 0 {
+		return nil, errors.Errorf("%+v", b.errs)
+	}
+	return b.volume.object, nil
+}