summaryrefslogtreecommitdiff
path: root/vendor/k8s.io/kubernetes/pkg/kubelet/server/remotecommand/exec.go
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/k8s.io/kubernetes/pkg/kubelet/server/remotecommand/exec.go')
-rw-r--r--vendor/k8s.io/kubernetes/pkg/kubelet/server/remotecommand/exec.go79
1 files changed, 79 insertions, 0 deletions
diff --git a/vendor/k8s.io/kubernetes/pkg/kubelet/server/remotecommand/exec.go b/vendor/k8s.io/kubernetes/pkg/kubelet/server/remotecommand/exec.go
new file mode 100644
index 000000000..8d14a937a
--- /dev/null
+++ b/vendor/k8s.io/kubernetes/pkg/kubelet/server/remotecommand/exec.go
@@ -0,0 +1,79 @@
+/*
+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 remotecommand
+
+import (
+ "fmt"
+ "io"
+ "net/http"
+ "time"
+
+ apierrors "k8s.io/apimachinery/pkg/api/errors"
+ metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+ "k8s.io/apimachinery/pkg/types"
+ remotecommandconsts "k8s.io/apimachinery/pkg/util/remotecommand"
+ "k8s.io/apimachinery/pkg/util/runtime"
+ "k8s.io/client-go/tools/remotecommand"
+ utilexec "k8s.io/kubernetes/pkg/util/exec"
+)
+
+// Executor knows how to execute a command in a container in a pod.
+type Executor interface {
+ // ExecInContainer executes a command in a container in the pod, copying data
+ // between in/out/err and the container's stdin/stdout/stderr.
+ ExecInContainer(name string, uid types.UID, container string, cmd []string, in io.Reader, out, err io.WriteCloser, tty bool, resize <-chan remotecommand.TerminalSize, timeout time.Duration) error
+}
+
+// ServeExec handles requests to execute a command in a container. After
+// creating/receiving the required streams, it delegates the actual execution
+// to the executor.
+func ServeExec(w http.ResponseWriter, req *http.Request, executor Executor, podName string, uid types.UID, container string, cmd []string, streamOpts *Options, idleTimeout, streamCreationTimeout time.Duration, supportedProtocols []string) {
+ ctx, ok := createStreams(req, w, streamOpts, supportedProtocols, idleTimeout, streamCreationTimeout)
+ if !ok {
+ // error is handled by createStreams
+ return
+ }
+ defer ctx.conn.Close()
+
+ err := executor.ExecInContainer(podName, uid, container, cmd, ctx.stdinStream, ctx.stdoutStream, ctx.stderrStream, ctx.tty, ctx.resizeChan, 0)
+ if err != nil {
+ if exitErr, ok := err.(utilexec.ExitError); ok && exitErr.Exited() {
+ rc := exitErr.ExitStatus()
+ ctx.writeStatus(&apierrors.StatusError{ErrStatus: metav1.Status{
+ Status: metav1.StatusFailure,
+ Reason: remotecommandconsts.NonZeroExitCodeReason,
+ Details: &metav1.StatusDetails{
+ Causes: []metav1.StatusCause{
+ {
+ Type: remotecommandconsts.ExitCodeCauseType,
+ Message: fmt.Sprintf("%d", rc),
+ },
+ },
+ },
+ Message: fmt.Sprintf("command terminated with non-zero exit code: %v", exitErr),
+ }})
+ } else {
+ err = fmt.Errorf("error executing command in container: %v", err)
+ runtime.HandleError(err)
+ ctx.writeStatus(apierrors.NewInternalError(err))
+ }
+ } else {
+ ctx.writeStatus(&apierrors.StatusError{ErrStatus: metav1.Status{
+ Status: metav1.StatusSuccess,
+ }})
+ }
+}