3cc051f7c2
Providers must still update the implementaiton to actually gain any benefit here, but this makes the provider interface a bit more sane.
58 lines
1.1 KiB
Go
58 lines
1.1 KiB
Go
package api
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import (
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"io"
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"net/http"
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"github.com/cpuguy83/strongerrors/status"
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"github.com/virtual-kubelet/virtual-kubelet/log"
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)
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type handlerFunc func(http.ResponseWriter, *http.Request) error
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func handleError(f handlerFunc) http.HandlerFunc {
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return func(w http.ResponseWriter, req *http.Request) {
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err := f(w, req)
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if err == nil {
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return
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}
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code, _ := status.HTTPCode(err)
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w.WriteHeader(code)
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io.WriteString(w, err.Error())
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logger := log.G(req.Context()).WithError(err).WithField("httpStatusCode", code)
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if code >= 500 {
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logger.Error("Internal server error on request")
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} else {
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logger.Debug("Error on request")
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}
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}
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}
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func flushOnWrite(w io.Writer) io.Writer {
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if fw, ok := w.(writeFlusher); ok {
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return &flushWriter{fw}
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}
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return w
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}
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type flushWriter struct {
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w writeFlusher
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}
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type writeFlusher interface {
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Flush() error
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Write([]byte) (int, error)
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}
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func (fw *flushWriter) Write(p []byte) (int, error) {
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n, err := fw.w.Write(p)
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if n > 0 {
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if err := fw.w.Flush(); err != nil {
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return n, err
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}
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}
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return n, err
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}
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