adds TerminateInstanceInAutoScalingGroup

autoscaling/autoscaling.go

@@ -499,6 +499,28 @@ func (autoscaling *AutoScaling) UpdateAutoScalingGroup(options *UpdateAutoScalin
 	return
 }
 
+func (autoscaling *AutoScaling) TerminateInstanceInAutoScalingGroup(instance string, decrementCapacity bool) (resp *SimpleResp, err error) {
+  resp = &SimpleResp{}
+  err = nil
+
+	params := makeParams("TerminateInstanceInAutoScalingGroup")
+
+  params["InstanceId"] = instance
+
+  if decrementCapacity {
+    params["ShouldDecrementDesiredCapacity"] = "true"
+  } else {
+    params["ShouldDecrementDesiredCapacity"] = "false"
+  }
+
+  err = autoscaling.query(params, resp)
+  if err != nil {
+    resp = nil
+  }
+
+  return
+}
+
 // Responses
 
 type SimpleResp struct {

autoscaling/autoscaling_test.go

@@ -183,3 +183,14 @@ func (s *S) Test_UpdateAutoScalingGroup(c *C) {
 	c.Assert(err, IsNil)
 	c.Assert(resp.RequestId, Equals, "adafead0-ab8a-11e2-ba13-ab0ccEXAMPLE")
 }
+
+func (s *S) Test_TerminateInstanceInAutoScalingGroup(c *C) {
+  testServer.Response(200, nil, TerminateInstanceInAutoScalingGroup)
+
+  resp, err := s.autoscaling.TerminateInstanceInAutoScalingGroup("i-123456", true)
+  req := testServer.WaitRequest()
+
+  c.Assert(req.Form["Action"], DeepEquals, []string{"TerminateInstanceInAutoScalingGroup"})
+	c.Assert(err, IsNil)
+	c.Assert(resp.RequestId, Equals, "adafead0-ab8a-11e2-ba13-ab0ccEXAMPLE")
+}

autoscaling/responses_test.go

@@ -115,3 +115,12 @@ var UpdateAutoScalingGroupExample = `
   </ResponseMetadata>
 </UpdateAutoScalingGroupResponse>
 `
+
+var TerminateInstanceInAutoScalingGroup = `
+<TerminateInstanceInAutoScalingGroupResponse xmlns="http://autoscaling.amazonaws.com/doc/2011-01-01/">
+  <ResponseMetadata>
+    <RequestId>adafead0-ab8a-11e2-ba13-ab0ccEXAMPLE</RequestId>
+  </ResponseMetadata>
+</TerminateInstanceInAutoScalingGroupResponse>
+
+`