6f027e38a8
Remove build tags which are already implied by the name of the file. Ensures build tags are used consistently Signed-off-by: Derek McGowan <derek@mcg.dev>
79 lines
2.3 KiB
Go
79 lines
2.3 KiB
Go
/*
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Copyright The containerd Authors.
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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 server
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import (
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"bytes"
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"fmt"
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"io"
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"github.com/pkg/errors"
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"golang.org/x/net/context"
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"k8s.io/utils/exec"
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sandboxstore "github.com/containerd/containerd/pkg/cri/store/sandbox"
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"github.com/containerd/containerd/pkg/ioutil"
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)
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func (c *criService) portForward(ctx context.Context, id string, port int32, stream io.ReadWriter) error {
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stdout := ioutil.NewNopWriteCloser(stream)
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stderrBuffer := new(bytes.Buffer)
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stderr := ioutil.NewNopWriteCloser(stderrBuffer)
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// localhost is resolved to 127.0.0.1 in ipv4, and ::1 in ipv6.
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// Explicitly using ipv4 IP address in here to avoid flakiness.
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cmd := []string{"wincat.exe", "127.0.0.1", fmt.Sprint(port)}
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err := c.execInSandbox(ctx, id, cmd, stream, stdout, stderr)
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if err != nil {
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return errors.Wrapf(err, "failed to execute port forward in sandbox: %s", stderrBuffer.String())
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}
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return nil
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}
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func (c *criService) execInSandbox(ctx context.Context, sandboxID string, cmd []string, stdin io.Reader, stdout, stderr io.WriteCloser) error {
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// Get sandbox from our sandbox store.
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sb, err := c.sandboxStore.Get(sandboxID)
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if err != nil {
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return errors.Wrapf(err, "failed to find sandbox %q in store", sandboxID)
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}
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// Check the sandbox state
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state := sb.Status.Get().State
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if state != sandboxstore.StateReady {
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return errors.Errorf("sandbox is in %s state", fmt.Sprint(state))
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}
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opts := execOptions{
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cmd: cmd,
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stdin: stdin,
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stdout: stdout,
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stderr: stderr,
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tty: false,
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resize: nil,
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}
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exitCode, err := c.execInternal(ctx, sb.Container, sandboxID, opts)
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if err != nil {
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return errors.Wrap(err, "failed to exec in sandbox")
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}
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if *exitCode == 0 {
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return nil
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}
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return &exec.CodeExitError{
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Err: errors.Errorf("error executing command %v, exit code %d", cmd, *exitCode),
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Code: int(*exitCode),
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}
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}
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