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storage/kubernetes: enable HTTP/2 support

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This commit is contained in:
Eric Chiang 2017-01-13 16:49:06 -08:00
parent bb896a8222
commit 38c77e0f33
1 changed files with 12 additions and 1 deletions
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13
storage/kubernetes/client.go
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@ -25,6 +25,7 @@ import (
"github.com/ghodss/yaml"
"github.com/gtank/cryptopasta"
"golang.org/x/net/context"
"golang.org/x/net/http2"
"github.com/coreos/dex/storage"
"github.com/coreos/dex/storage/kubernetes/k8sapi"
@ -285,7 +286,8 @@ func newClient(cluster k8sapi.Cluster, user k8sapi.AuthInfo, namespace string, l
tlsConfig.Certificates = []tls.Certificate{cert}
}
var t http.RoundTripper = &http.Transport{
var t http.RoundTripper
httpTransport := &http.Transport{
Proxy: http.ProxyFromEnvironment,
Dial: (&net.Dialer{
Timeout: 30 * time.Second,
@ -296,6 +298,15 @@ func newClient(cluster k8sapi.Cluster, user k8sapi.AuthInfo, namespace string, l
ExpectContinueTimeout: 1 * time.Second,
}
// Since we set a custom TLS client config we have to explicitly
// enable HTTP/2.
//
// https://github.com/golang/go/blob/go1.7.4/src/net/http/transport.go#L200-L206
if err := http2.ConfigureTransport(httpTransport); err != nil {
return nil, err
}
t = httpTransport
if user.Token != "" {
t = transport{
updateReq: func(r *http.Request) {