mirror of https://github.com/k3s-io/k3s
79 lines
2.1 KiB
Go
79 lines
2.1 KiB
Go
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/*
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Copyright 2016 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package storagebackend
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import (
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"net"
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"net/http"
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"time"
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etcd2client "github.com/coreos/etcd/client"
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"github.com/coreos/etcd/pkg/transport"
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"k8s.io/kubernetes/pkg/storage"
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"k8s.io/kubernetes/pkg/storage/etcd"
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utilnet "k8s.io/kubernetes/pkg/util/net"
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)
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func newETCD2Storage(c Config) (storage.Interface, error) {
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tr, err := newTransportForETCD2(c.CertFile, c.KeyFile, c.CAFile)
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if err != nil {
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return nil, err
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}
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client, err := newETCD2Client(tr, c.ServerList)
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if err != nil {
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return nil, err
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}
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return etcd.NewEtcdStorage(client, c.Codec, c.Prefix, c.Quorum, c.DeserializationCacheSize), nil
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}
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func newETCD2Client(tr *http.Transport, serverList []string) (etcd2client.Client, error) {
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cli, err := etcd2client.New(etcd2client.Config{
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Endpoints: serverList,
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Transport: tr,
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})
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if err != nil {
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return nil, err
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}
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return cli, nil
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}
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func newTransportForETCD2(certFile, keyFile, caFile string) (*http.Transport, error) {
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info := transport.TLSInfo{
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CertFile: certFile,
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KeyFile: keyFile,
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CAFile: caFile,
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}
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cfg, err := info.ClientConfig()
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if err != nil {
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return nil, err
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}
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// Copied from etcd.DefaultTransport declaration.
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// TODO: Determine if transport needs optimization
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tr := utilnet.SetTransportDefaults(&http.Transport{
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Proxy: http.ProxyFromEnvironment,
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Dial: (&net.Dialer{
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Timeout: 30 * time.Second,
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KeepAlive: 30 * time.Second,
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}).Dial,
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TLSHandshakeTimeout: 10 * time.Second,
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MaxIdleConnsPerHost: 500,
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TLSClientConfig: cfg,
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})
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return tr, nil
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}
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