refact(csi): use common lib-csi imports (#263)

Signed-off-by: shubham <shubham.bajpai@mayadata.io>

vendor/github.com/openebs/lib-csi/pkg/client/k8s/dynamic.go

@@ -0,0 +1,45 @@
+/*
+Copyright 2020 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 k8s
+
+import (
+	"github.com/pkg/errors"
+	k8sdynamic "k8s.io/client-go/dynamic"
+)
+
+// DynamicProvider abstracts providing kubernetes dynamic client interface
+type DynamicProvider interface {
+	Provide() (k8sdynamic.Interface, error)
+}
+
+//DynamicStruct is used to initialise a kuberenets dynamic interface
+type DynamicStruct struct{}
+
+// Dynamic returns a new instance of dynamic
+func Dynamic() *DynamicStruct {
+	return &DynamicStruct{}
+}
+
+// Provide provides a kubernetes dynamic client capable of invoking operations
+// against kubernetes resources
+func (d *DynamicStruct) Provide() (k8sdynamic.Interface, error) {
+	config, err := Config().Get()
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to provide dynamic client")
+	}
+	return k8sdynamic.NewForConfig(config)
+}