Merge pull request #500 from brendandburns/joda

Fix DateTime string generation.

Author: k8s-ci-robot

util/src/main/java/io/kubernetes/client/util/Yaml.java

@@ -358,6 +358,14 @@ public CustomRepresenter() {
       this.representers.put(IntOrString.class, new RepresentIntOrString());
       this.representers.put(byte[].class, new RepresentByteArray());
       this.representers.put(Quantity.class, new RepresentQuantity());
+      this.representers.put(DateTime.class, new RepresentDateTime());
+    }
+
+    private class RepresentDateTime implements Represent {
+      @Override
+      public Node representData(Object data) {
+        return CustomRepresenter.this.representData(data.toString());
+      }
     }
 
     private class RepresentIntOrString implements Represent {

util/src/test/java/io/kubernetes/client/util/YamlTest.java

@@ -43,6 +43,8 @@ public class YamlTest {
 
   private static final URL EXPECTED_YAML_FILE = Resources.getResource("expected.yaml");
 
+  private static final URL CREATED_TIMESTAMP_FILE = Resources.getResource("test-pod.yaml");
+
   private static final String[] kinds =
       new String[] {
         "Pod",
@@ -236,4 +238,19 @@ public void testDateTime() {
       assertNull("Unexpected exception: " + ex.toString(), ex);
     }
   }
+
+  @Test
+  public void testDateTimeRoundTrip() {
+    // There was an issue with dumping JODA DateTime as String.
+    // This test verifies that its fixed.
+    try {
+      String data = Resources.toString(CREATED_TIMESTAMP_FILE, UTF_8);
+      V1Pod pod = Yaml.loadAs(data, V1Pod.class);
+      String output = Yaml.dump(pod);
+      V1Pod pod2 = Yaml.loadAs(output, V1Pod.class);
+      assertEquals(pod, pod2);
+    } catch (Exception ex) {
+      assertNull("Unexpected exception: " + ex.toString(), ex);
+    }
+  }
 }

util/src/test/resources/test-pod.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  creationTimestamp: "2018-12-23T01:09:18Z"
+  generateName: test-776d6c86cc-
+  labels:
+    app: test
+    app-version: "19911"
+    pod-template-hash: "3328274277"
+  name: test-776d6c86cc-4zwj5
+  namespace: default