Added warning after PVC creation

Partially resolve kubernetes#376 and kubernetes#345
Added warning, such that PV should be created before PVC or
if dynamic provision is there, no need to create PV.

pkg/transformer/kubernetes/kubernetes.go

@@ -61,6 +61,9 @@ type Kubernetes struct {
 // used when undeploying resources from kubernetes
 const TIMEOUT = 300
 
+//default size of Persistent Volume Claim
+const PVCRequestSize = "100Mi"
+
 // list of all unsupported keys for this transformer
 // Keys are names of variables in kobject struct.
 // this is map to make searching for keys easier
@@ -241,7 +244,7 @@ func (k *Kubernetes) initIngress(name string, service kobject.ServiceConfig, por
 
 // CreatePVC initializes PersistentVolumeClaim
 func (k *Kubernetes) CreatePVC(name string, mode string) (*api.PersistentVolumeClaim, error) {
- size, err := resource.ParseQuantity("100Mi")
+ size, err := resource.ParseQuantity(PVCRequestSize)
  if err != nil {
  return nil, errors.Wrap(err, "resource.ParseQuantity failed, Error parsing size")
  }
@@ -664,7 +667,7 @@ func (k *Kubernetes) Deploy(komposeObject kobject.KomposeObject, opt kobject.Con
  if err != nil {
  return err
  }
- log.Infof("Successfully created PersistentVolumeClaim: %s", t.Name)
+ log.Infof("Successfully created PersistentVolumeClaim: %s of size %s. PVC's will not work unless a PersistentVolume has been created.", t.Name, PVCRequestSize)
  case *extensions.Ingress:
  _, err := client.Ingress(namespace).Create(t)
  if err != nil {

pkg/transformer/openshift/openshift.go

@@ -468,7 +468,7 @@ func (o *OpenShift) Deploy(komposeObject kobject.KomposeObject, opt kobject.Conv
  if err != nil {
  return err
  }
- log.Infof("Successfully created PersistentVolumeClaim: %s", t.Name)
+ log.Infof("Successfully created PersistentVolumeClaim: %s of size %s. PVC's will not work unless a PersistentVolume has been created.", t.Name, kubernetes.PVCRequestSize)
  case *routeapi.Route:
  _, err := oclient.Routes(namespace).Create(t)
  if err != nil {