mirror of https://github.com/k3s-io/k3s
71 lines
2.0 KiB
Go
71 lines
2.0 KiB
Go
/*
|
|
Copyright 2016 The Kubernetes Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package e2e_node
|
|
|
|
import (
|
|
"bytes"
|
|
"io"
|
|
"net/url"
|
|
"strings"
|
|
|
|
"k8s.io/kubernetes/pkg/api"
|
|
"k8s.io/kubernetes/pkg/client/restclient"
|
|
client "k8s.io/kubernetes/pkg/client/unversioned"
|
|
"k8s.io/kubernetes/pkg/client/unversioned/remotecommand"
|
|
remotecommandserver "k8s.io/kubernetes/pkg/kubelet/server/remotecommand"
|
|
)
|
|
|
|
func execute(method string, url *url.URL, config *restclient.Config, stdin io.Reader, stdout, stderr io.Writer, tty bool) error {
|
|
exec, err := remotecommand.NewExecutor(config, method, url)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return exec.Stream(remotecommand.StreamOptions{
|
|
SupportedProtocols: remotecommandserver.SupportedStreamingProtocols,
|
|
Stdin: stdin,
|
|
Stdout: stdout,
|
|
Stderr: stderr,
|
|
Tty: tty,
|
|
})
|
|
}
|
|
|
|
func execCommandInContainer(config *restclient.Config, c *client.Client, ns, podName, containerName string, cmd []string) (string, error) {
|
|
var stdout, stderr bytes.Buffer
|
|
var stdin io.Reader
|
|
tty := false
|
|
req := c.RESTClient.Post().
|
|
Resource("pods").
|
|
Name(podName).
|
|
Namespace(ns).
|
|
SubResource("exec").
|
|
Param("container", containerName)
|
|
req.VersionedParams(&api.PodExecOptions{
|
|
Container: containerName,
|
|
Command: cmd,
|
|
Stdin: false,
|
|
Stdout: true,
|
|
Stderr: true,
|
|
TTY: tty,
|
|
}, api.ParameterCodec)
|
|
|
|
err := execute("POST", req.URL(), config, stdin, &stdout, &stderr, tty)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
return strings.TrimSpace(stdout.String()), nil
|
|
}
|