forked from okteto/okteto
/
exec.go
66 lines (56 loc) · 1.44 KB
/
exec.go
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package exec
import (
"io"
"net/http"
apiv1 "k8s.io/api/core/v1"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/kubernetes/scheme"
"k8s.io/client-go/rest"
"k8s.io/client-go/tools/remotecommand"
"k8s.io/client-go/util/exec"
"k8s.io/kubernetes/pkg/kubectl/util/term"
)
// Exec executes the command in the cnd container
func Exec(c *kubernetes.Clientset, config *rest.Config, pod *apiv1.Pod, container string, stdin io.Reader, stdout, stderr io.Writer, command []string) error {
t := term.TTY{
In: stdin,
Out: stdout,
Raw: true,
}
sizeQueue := t.MonitorSize(t.GetSize())
req := c.CoreV1().RESTClient().Post().
Namespace(pod.Namespace).
Resource("pods").
Name(pod.Name).
SubResource("exec").
VersionedParams(&apiv1.PodExecOptions{
Container: container,
Command: command,
Stdin: true,
Stdout: true,
Stderr: true,
TTY: true,
}, scheme.ParameterCodec)
fn := func() error {
exec, err := remotecommand.NewSPDYExecutor(config, http.MethodPost, req.URL())
if err != nil {
return err
}
return exec.Stream(remotecommand.StreamOptions{
Stdin: stdin,
Stdout: stdout,
Stderr: stderr,
Tty: t.Raw,
TerminalSizeQueue: sizeQueue,
})
}
if err := t.Safe(fn); err != nil {
if v, ok := err.(exec.CodeExitError); ok {
// 130 is the exit code for ctrl+c or exit commands
if v.Code == 130 {
return nil
}
}
}
return nil
}