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AWS async operations sometimes takes long times, if there are multiple parallel builds, polling at 2 second frequency will exceed the request limit. Allow 2 seconds to be overwritten with AWS_POLL_DELAY_SECONDS

This commit is contained in:
Ganesh kumar Sankaran 2016-10-28 00:28:12 -07:00 committed by Matthew Hooker
parent 8594822e24
commit b9c6139d67
1 changed files with 22 additions and 1 deletions
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23
builder/amazon/common/state.go
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@ -162,7 +162,7 @@ func ImportImageRefreshFunc(conn *ec2.EC2, importTaskId string) StateRefreshFunc
func WaitForState(conf *StateChangeConf) (i interface{}, err error) {
log.Printf("Waiting for state to become: %s", conf.Target)
sleepSeconds := 2
sleepSeconds := SleepSeconds()
maxTicks := int(TimeoutSeconds()/sleepSeconds) + 1
notfoundTick := 0
@ -239,3 +239,24 @@ func TimeoutSeconds() (seconds int) {
log.Printf("Allowing %ds to complete (change with AWS_TIMEOUT_SECONDS)", seconds)
return seconds
}
// Returns 2 seconds by default
// AWS async operations sometimes takes long times, if there are multiple parallel builds,
// polling at 2 second frequency will exceed the request limit. Allow 2 seconds to be
// overwritten with AWS_POLL_DELAY_SECONDS
func SleepSeconds() (seconds int) {
seconds = 2
override := os.Getenv("AWS_POLL_DELAY_SECONDS")
if override != "" {
n, err := strconv.Atoi(override)
if err != nil {
log.Printf("Invalid timeout seconds '%s', using default", override)
} else {
seconds = n
}
}
log.Printf("Using %ds as polling delay (change with AWS_POLL_DELAY_SECONDS)", seconds)
return seconds
}