Add problematic volume name to kube play error messages

When kube play fails to create a volume, it should say which volume had
the problem so the user doesn't have to guess. For the following pod
spec:

	apiVersion: v1
	kind: Pod
	metadata:
	  name: mypod
	spec:
	  containers:
	    - name: myfrontend
	      image: nginx
	      volumeMounts:
	      - mountPath: "/var/www/html"
		name: mypd
	  volumes:
	    - name: mypd
	      hostPath:
		path: /var/blah

podman will now report:

	Error: failed to create volume "mypd": error in parsing HostPath
	in YAML: error checking path "/var/blah": stat /var/blah: no such
	file or directory

Signed-off-by: Jordan Christiansen <xordspar0@gmail.com>

pkg/specgen/generate/kube/volume.go

@@ -116,7 +116,7 @@ func InitializeVolumes(specVolumes []v1.Volume) (map[string]*KubeVolume, error)
 	for _, specVolume := range specVolumes {
 		volume, err := VolumeFromSource(specVolume.VolumeSource)
 		if err != nil {
-			return nil, err
+			return nil, errors.Wrapf(err, "failed to create volume %q", specVolume.Name)
 		}
 
 		volumes[specVolume.Name] = volume

test/e2e/play_kube_test.go

@@ -1449,6 +1449,7 @@ spec:
 		kube := podmanTest.Podman([]string{"play", "kube", kubeYaml})
 		kube.WaitWithDefaultTimeout()
 		Expect(kube.ExitCode()).NotTo(Equal(0))
+		Expect(kube.ErrorToString()).To(ContainSubstring(defaultVolName))
 	})
 
 	It("podman play kube test with empty HostPath type volume", func() {