Auto Scaling Update: Added WaitForTransitioningInstances parameter to the CancelInstanceRefresh API, allowing the caller to cancel an instance refresh without waiting for on-going launches and terminations.

Author: AWS

.changes/next-release/feature-AutoScaling-de5681f.json

@@ -0,0 +1,6 @@
+{
+    "type": "feature",
+    "category": "Auto Scaling",
+    "contributor": "",
+    "description": "Added WaitForTransitioningInstances parameter to the CancelInstanceRefresh API, allowing the caller to cancel an instance refresh without waiting for on-going launches and terminations."
+}

services/autoscaling/src/main/resources/codegen-resources/service-2.json

@@ -1835,6 +1835,7 @@
       "type":"list",
       "member":{"shape":"BlockDeviceMapping"}
     },
+    "BooleanType":{"type":"boolean"},
     "BurstablePerformance":{
       "type":"string",
       "enum":[
@@ -1859,6 +1860,10 @@
         "AutoScalingGroupName":{
           "shape":"XmlStringMaxLen255",
           "documentation":"<p>The name of the Auto Scaling group.</p>"
+        },
+        "WaitForTransitioningInstances":{
+          "shape":"BooleanType",
+          "documentation":"<p>When cancelling an instance refresh, this indicates whether to wait for in-flight launches and terminations to complete. The default is true.</p> <p>When set to false, Amazon EC2 Auto Scaling cancels the instance refresh without waiting for any pending launches or terminations to complete.</p>"
         }
       }
     },