fix time parsing for scheduled maintenance events (#148)

Author: bwagner5

pkg/interruptionevent/scheduled-event.go

@@ -27,7 +27,7 @@ const (
 	ScheduledEventKind           = "SCHEDULED_EVENT"
 	scheduledEventStateCompleted = "completed"
 	scheduledEventStateCanceled  = "canceled"
-	scheduledEventDateFormat     = "02 Jan 2006 15:04:05 GMT"
+	scheduledEventDateFormat     = "2 Jan 2006 15:04:05 GMT"
 	instanceStopCode             = "instance-stop"
 	systemRebootCode             = "system-reboot"
 	instanceRebootCode           = "instance-reboot"

test/ec2-metadata-test-proxy/cmd/ec2-metadata-test-proxy.go

@@ -25,7 +25,7 @@ import (
 const (
 	interruptionNoticeDelayConfigKey = "INTERRUPTION_NOTICE_DELAY"
 	interruptionNoticeDelayDefault   = "0"
-	scheduledActionDateFormat        = "02 Jan 2006 15:04:05 GMT"
+	scheduledActionDateFormat        = "2 Jan 2006 15:04:05 GMT"
 	spotInstanceActionFlag           = "ENABLE_SPOT_ITN"
 	spotInstanceActionPath           = "/latest/meta-data/spot/instance-action"
 	scheduledMaintenanceEventFlag    = "ENABLE_SCHEDULED_MAINTENANCE_EVENTS"