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Add the http2 GOAWAY error to IsProbableEOF for ignoring in watch

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http2 is allowed to tell us to go away, and for watch it is safe
to exit and restart in almost all cases where a connection is
forcibly closed by the upstream. This error message happens a lot
behind ELB and other http2 aware proxies.

Treat the error as "basically done" as suggested by

https://github.com/golang/go/issues/18639#issuecomment-285515534
This commit is contained in:
Clayton Coleman 2019-01-24 09:59:33 -05:00
parent 2cd88258c7
commit 640caeb74f
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1 changed files with 6 additions and 3 deletions
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9
staging/src/k8s.io/apimachinery/pkg/util/net/http.go
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@ -68,14 +68,17 @@ func IsProbableEOF(err error) bool {
if uerr, ok := err.(*url.Error); ok {
err = uerr.Err
}
msg := err.Error()
switch {
case err == io.EOF:
return true
case err.Error() == "http: can't write HTTP request on broken connection":
case msg == "http: can't write HTTP request on broken connection":
return true
case strings.Contains(err.Error(), "connection reset by peer"):
case strings.Contains(msg, "http2: server sent GOAWAY and closed the connection"):
return true
case strings.Contains(strings.ToLower(err.Error()), "use of closed network connection"):
case strings.Contains(msg, "connection reset by peer"):
return true
case strings.Contains(strings.ToLower(msg), "use of closed network connection"):
return true
}
return false