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fix: vmagent not follow 301/302 redirect bug (#445)

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Co-authored-by: xiaobeibei <xiaobeibei@bigo.sg>
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肖贝贝 2020-04-28 06:29:37 +08:00 committed by Aliaksandr Valialkin
parent 50af16baf2
commit 7d045bf2ca
1 changed files with 9 additions and 0 deletions
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9
lib/promscrape/client.go
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@ -124,6 +124,15 @@ var (
func doRequestWithPossibleRetry(hc *fasthttp.HostClient, req *fasthttp.Request, resp *fasthttp.Response) error {
// There is no need in calling DoTimeout, since the timeout must be already set in hc.ReadTimeout.
err := hc.Do(req, resp)
if err == nil && (resp.Header.StatusCode() == 301 || resp.Header.StatusCode() == 302) {
l := string(resp.Header.Peek("Location"))
if l != "" {
req.URI().Update(l)
// only redirect once
err = hc.Do(req, resp)
}
}
if err == nil {
return nil
}