kube: configmap volume should be reused if already exists

`podman play kube` creates a new volume for configmap, if same configmap
is applied again volume can be re-used, there is no need to remove and
re-create the volume again

Signed-off-by: Aditya R <arajan@redhat.com>

1 files changed, 26 insertions, 0 deletions

diff --git a/test/e2e/play_kube_test.go b/test/e2e/play_kube_test.go
index 6a4083565..f16180854 100644
--- a/test/e2e/play_kube_test.go
+++ b/test/e2e/play_kube_test.go
@@ -1679,6 +1679,32 @@ var _ = Describe("Podman play kube", func() {
 		Expect(inspect.OutputToString()).To(ContainSubstring(`FOO=foo`))
 	})
 
+	It("podman play kube test env value from configmap and --replace should reuse the configmap volume", func() {
+		SkipIfRemote("configmap list is not supported as a param")
+		cmYamlPathname := filepath.Join(podmanTest.TempDir, "foo-cm.yaml")
+		cm := getConfigMap(withConfigMapName("foo"), withConfigMapData("FOO", "foo"))
+		err := generateKubeYaml("configmap", cm, cmYamlPathname)
+		Expect(err).To(BeNil())
+
+		pod := getPod(withCtr(getCtr(withEnv("FOO", "", "configmap", "foo", "FOO", false))))
+		err = generateKubeYaml("pod", pod, kubeYaml)
+		Expect(err).To(BeNil())
+
+		kube := podmanTest.Podman([]string{"play", "kube", kubeYaml, "--configmap", cmYamlPathname})
+		kube.WaitWithDefaultTimeout()
+		Expect(kube).Should(Exit(0))
+
+		// create pod again with --replace
+		kube = podmanTest.Podman([]string{"play", "kube", "--replace", kubeYaml, "--configmap", cmYamlPathname})
+		kube.WaitWithDefaultTimeout()
+		Expect(kube).Should(Exit(0))
+
+		inspect := podmanTest.Podman([]string{"inspect", getCtrNameInPod(pod), "--format", "'{{ .Config.Env }}'"})
+		inspect.WaitWithDefaultTimeout()
+		Expect(inspect).Should(Exit(0))
+		Expect(inspect.OutputToString()).To(ContainSubstring(`FOO=foo`))
+	})
+
 	It("podman play kube test required env value from configmap with missing key", func() {
 		SkipIfRemote("configmap list is not supported as a param")
 		cmYamlPathname := filepath.Join(podmanTest.TempDir, "foo-cm.yaml")