feat(cdk): Add support for UseOnlineResharding with UpdatePolicies (#881

)
aws · Oct 10, 2018 · 56f0b4e · 56f0b4e
1 parent bba3602
commit 56f0b4e
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Showing 2 changed files with 28 additions and 2 deletions.
diff --git a/packages/@aws-cdk/cdk/lib/cloudformation/resource-policy.ts b/packages/@aws-cdk/cdk/lib/cloudformation/resource-policy.ts
@@ -124,6 +124,12 @@ export interface UpdatePolicy {
  */
  autoScalingScheduledAction?: AutoScalingScheduledAction;
 
+ /**
+ * To modify a replication group's shards by adding or removing shards, rather than replacing the entire
+ * AWS::ElastiCache::ReplicationGroup resource, use the UseOnlineResharding update policy.
+ */
+ useOnlineResharding?: boolean;
+
 }
 
 /**

diff --git a/packages/@aws-cdk/cdk/test/cloudformation/test.resource.ts b/packages/@aws-cdk/cdk/test/cloudformation/test.resource.ts
@@ -170,7 +170,7 @@ export = {
 
  r1.options.creationPolicy = { autoScalingCreationPolicy: { minSuccessfulInstancesPercent: 10 } };
  // tslint:disable-next-line:max-line-length
- r1.options.updatePolicy = { autoScalingScheduledAction: { ignoreUnmodifiedGroupSizeProperties: false }, autoScalingReplacingUpdate: { willReplace: true } };
+ r1.options.updatePolicy = { autoScalingScheduledAction: { ignoreUnmodifiedGroupSizeProperties: false }, autoScalingReplacingUpdate: { willReplace: true }};
  r1.options.deletionPolicy = DeletionPolicy.Retain;
 
  test.deepEqual(stack.toCloudFormation(), {
@@ -180,7 +180,7 @@ export = {
  CreationPolicy: { AutoScalingCreationPolicy: { MinSuccessfulInstancesPercent: 10 } },
  UpdatePolicy: {
  AutoScalingScheduledAction: { IgnoreUnmodifiedGroupSizeProperties: false },
- AutoScalingReplacingUpdate: { WillReplace: true }
+ AutoScalingReplacingUpdate: { WillReplace: true },
  },
  DeletionPolicy: 'Retain'
  }
@@ -190,6 +190,26 @@ export = {
  test.done();
  },
 
+ 'update policies UseOnlineResharding flag'(test: Test) {
+ const stack = new Stack();
+ const r1 = new Resource(stack, 'Resource', { type: 'Type' });
+
+ r1.options.updatePolicy = { useOnlineResharding: true };
+
+ test.deepEqual(stack.toCloudFormation(), {
+ Resources: {
+ Resource: {
+ Type: 'Type',
+ UpdatePolicy: {
+ UseOnlineResharding: true,
+ },
+ }
+ }
+ });
+
+ test.done();
+ },
+
  'metadata can be set on a resource'(test: Test) {
  const stack = new Stack();
  const r1 = new Resource(stack, 'Resource', { type: 'Type' });