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client-go: Truncate body based on Verbosity level

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This commit is contained in:
Antoine Pelisse 2017-09-14 17:09:07 -07:00
parent 5d995e3f7b
commit b4304f8e79
1 changed files with 19 additions and 2 deletions
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21
staging/src/k8s.io/client-go/rest/request.go
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@ -823,6 +823,23 @@ func (r *Request) transformResponse(resp *http.Response, req *http.Request) Resu
} }
} }
// truncateBody decides if the body should be truncated, based on the glog Verbosity.
func truncateBody(body string) string {
max := 0
switch {
case bool(glog.V(9)):
max = 10240
case bool(glog.V(8)):
max = 1024
}
if len(body) <= max {
return body
}
return body[:max] + fmt.Sprintf(" [truncated %d chars]", len(body)-max)
}
// glogBody logs a body output that could be either JSON or protobuf. It explicitly guards against // glogBody logs a body output that could be either JSON or protobuf. It explicitly guards against
// allocating a new string for the body output unless necessary. Uses a simple heuristic to determine // allocating a new string for the body output unless necessary. Uses a simple heuristic to determine
// whether the body is printable. // whether the body is printable.
@ -831,9 +848,9 @@ func glogBody(prefix string, body []byte) {
if bytes.IndexFunc(body, func(r rune) bool { if bytes.IndexFunc(body, func(r rune) bool {
return r < 0x0a return r < 0x0a
}) != -1 { }) != -1 {
glog.Infof("%s:\n%s", prefix, hex.Dump(body)) glog.Infof("%s:\n%s", prefix, truncateBody(hex.Dump(body)))
} else { } else {
glog.Infof("%s: %s", prefix, string(body)) glog.Infof("%s: %s", prefix, truncateBody(string(body)))
} }
} }
} }