fix: cherry pick #1160 (#1254)

* fix: Remove all client side validation for OLM, allow nonspecific lifecycle actions

* Test unsupported actions

* address comments

* Fix clirr

* 🦉 Updates from OwlBot

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* checkstyle

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

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google-cloud-storage/clirr-ignored-differences.xml

@@ -36,4 +36,9 @@
         <method>com.google.api.services.storage.model.StorageObject queryCompletedResumableUpload(java.lang.String, long)</method>
         <differenceType>7012</differenceType>
     </difference>
+    <difference>
+        <className>com/google/cloud/storage/BucketInfo$LifecycleRule$LifecycleAction</className>
+        <method>BucketInfo$LifecycleRule$LifecycleAction()</method>
+        <differenceType>7004</differenceType>
+    </difference>
 </differences>

google-cloud-storage/src/main/java/com/google/cloud/storage/BucketInfo.java

@@ -462,8 +462,13 @@ static LifecycleRule fromPb(Rule rule) {
                   StorageClass.valueOf(action.getStorageClass()));
           break;
         default:
-          throw new UnsupportedOperationException(
-              "The specified lifecycle action " + action.getType() + " is not currently supported");
+          log.warning(
+              "The lifecycle action "
+                  + action.getType()
+                  + " is not supported by this version of the library. "
+                  + "Attempting to update with this rule may cause errors. Please "
+                  + "update to the latest version of google-cloud-storage.");
+          lifecycleAction = LifecycleAction.newLifecycleAction("Unknown action");
       }
 
       Rule.Condition condition = rule.getCondition();
@@ -713,13 +718,21 @@ public LifecycleCondition build() {
     }
 
     /**
-     * Base class for the Action to take when a Lifecycle Condition is met. Specific Actions are
+     * Base class for the Action to take when a Lifecycle Condition is met. Supported Actions are
      * expressed as subclasses of this class, accessed by static factory methods.
      */
-    public abstract static class LifecycleAction implements Serializable {
+    public static class LifecycleAction implements Serializable {
       private static final long serialVersionUID = 5801228724709173284L;
 
-      public abstract String getActionType();
+      private final String actionType;
+
+      public LifecycleAction(String actionType) {
+        this.actionType = actionType;
+      }
+
+      public String getActionType() {
+        return actionType;
+      }
 
       @Override
       public String toString() {
@@ -744,17 +757,24 @@ public static SetStorageClassLifecycleAction newSetStorageClassAction(
           StorageClass storageClass) {
         return new SetStorageClassLifecycleAction(storageClass);
       }
+
+      /**
+       * Creates a new {@code LifecycleAction , with no specific supported action associated with it. This
+       * is only intended as a "backup" for when the library doesn't recognize the type, and should
+       * generally not be used, instead use the supported actions, and upgrade the library if necessary
+       * to get new supported actions.
+       */
+      public static LifecycleAction newLifecycleAction(String actionType) {
+        return new LifecycleAction(actionType);
+      }
     }
 
     public static class DeleteLifecycleAction extends LifecycleAction {
       public static final String TYPE = "Delete";
       private static final long serialVersionUID = -2050986302222644873L;
 
-      private DeleteLifecycleAction() {}
-
-      @Override
-      public String getActionType() {
-        return TYPE;
+      private DeleteLifecycleAction() {
+        super(TYPE);
       }
     }
 
@@ -765,14 +785,10 @@ public static class SetStorageClassLifecycleAction extends LifecycleAction {
       private final StorageClass storageClass;
 
       private SetStorageClassLifecycleAction(StorageClass storageClass) {
+        super(TYPE);
         this.storageClass = storageClass;
       }
 
-      @Override
-      public String getActionType() {
-        return TYPE;
-      }
-
       @Override
       public String toString() {
         return MoreObjects.toStringHelper(this)
@@ -921,7 +937,11 @@ static class RawDeleteRule extends DeleteRule {
 
     @Override
     void populateCondition(Rule.Condition condition) {
-      throw new UnsupportedOperationException();
+      log.warning(
+          "The lifecycle condition "
+              + condition
+              + " is not currently supported. Please update to the latest version of google-cloud-java."
+              + " Also, use LifecycleRule rather than the deprecated DeleteRule.");
     }
 
     private void writeObject(ObjectOutputStream out) throws IOException {

google-cloud-storage/src/test/java/com/google/cloud/storage/BucketInfoTest.java

@@ -306,6 +306,10 @@ public void testDeleteRules() {
     for (DeleteRule delRule : rules) {
       assertEquals(delRule, DeleteRule.fromPb(delRule.toPb()));
     }
+    Rule unsupportedRule =
+        new Rule().setAction(new Rule.Action().setType("This action doesn't exist"));
+    DeleteRule.fromPb(
+        unsupportedRule); // if this doesn't throw an exception, unsupported rules work
   }
 
   @Test
@@ -355,6 +359,17 @@ public void testLifecycleRules() {
     assertEquals(StorageClass.COLDLINE.toString(), lifecycleRule.getAction().getStorageClass());
     assertEquals(30, lifecycleRule.getCondition().getDaysSinceCustomTime().intValue());
     assertNotNull(lifecycleRule.getCondition().getCustomTimeBefore());
+
+    Rule unsupportedRule =
+        new LifecycleRule(
+                LifecycleAction.newLifecycleAction("This action type doesn't exist"),
+                LifecycleCondition.newBuilder().setAge(10).build())
+            .toPb();
+    unsupportedRule.setAction(
+        unsupportedRule.getAction().setType("This action type also doesn't exist"));
+
+    LifecycleRule.fromPb(
+        unsupportedRule); // If this doesn't throw an exception, unsupported rules are working
   }
 
   @Test