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Fix infinite retry at size overrun error in Slack report #329

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merged 1 commit into from
Feb 10, 2017
Merged

Fix infinite retry at size overrun error in Slack report #329

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18 changes: 15 additions & 3 deletions report/slack.go
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Original file line number Diff line number Diff line change
Expand Up @@ -59,6 +59,8 @@ type SlackWriter struct{}
func (w SlackWriter) Write(rs ...models.ScanResult) error {
conf := config.Conf.Slack
channel := conf.Channel
count := 0
retryMax := 10

for _, r := range rs {
if channel == "${servername}" {
Expand All @@ -75,23 +77,33 @@ func (w SlackWriter) Write(rs ...models.ScanResult) error {

bytes, _ := json.Marshal(msg)
jsonBody := string(bytes)

f := func() (err error) {
resp, body, errs := gorequest.New().Proxy(config.Conf.HTTPProxy).Post(conf.HookURL).Send(string(jsonBody)).End()
if 0 < len(errs) || resp == nil || resp.StatusCode != 200 {
count++
if count == retryMax {
return nil
}
return fmt.Errorf(
"HTTP POST error: %v, url: %s, resp: %v, body: %s",
errs, conf.HookURL, resp, body)
}
return nil
}
notify := func(err error, t time.Duration) {
log.Warn("Error %s", err)
log.Warnf("Error %s", err)
log.Warn("Retrying in ", t)
}
if err := backoff.RetryNotify(f, backoff.NewExponentialBackOff(), notify); err != nil {
return fmt.Errorf("HTTP Error: %s", err)
boff := backoff.NewExponentialBackOff()
if err := backoff.RetryNotify(f, boff, notify); err != nil {
return fmt.Errorf("HTTP error: %s", err)
}
}

if count == retryMax {
return fmt.Errorf("Retry count exceeded")
}
return nil
}

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