129 lines
2.9 KiB
Go
129 lines
2.9 KiB
Go
package client
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import (
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"fmt"
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"os"
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gosignal "os/signal"
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"runtime"
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"time"
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"github.com/Sirupsen/logrus"
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"github.com/docker/docker/api/client/lib"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/pkg/signal"
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"github.com/docker/docker/pkg/term"
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"github.com/docker/docker/registry"
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)
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func (cli *DockerCli) encodeRegistryAuth(index *registry.IndexInfo) (string, error) {
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authConfig := registry.ResolveAuthConfig(cli.configFile, index)
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return authConfig.EncodeToBase64()
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}
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func (cli *DockerCli) registryAuthenticationPrivilegedFunc(index *registry.IndexInfo, cmdName string) lib.RequestPrivilegeFunc {
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return func() (string, error) {
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fmt.Fprintf(cli.out, "\nPlease login prior to %s:\n", cmdName)
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if err := cli.CmdLogin(index.GetAuthConfigKey()); err != nil {
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return "", err
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}
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return cli.encodeRegistryAuth(index)
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}
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}
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func (cli *DockerCli) resizeTty(id string, isExec bool) {
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height, width := cli.getTtySize()
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if height == 0 && width == 0 {
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return
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}
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options := types.ResizeOptions{
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ID: id,
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Height: height,
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Width: width,
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}
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var err error
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if isExec {
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err = cli.client.ContainerExecResize(options)
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} else {
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err = cli.client.ContainerResize(options)
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}
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if err != nil {
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logrus.Debugf("Error resize: %s", err)
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}
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}
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// getExitCode perform an inspect on the container. It returns
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// the running state and the exit code.
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func getExitCode(cli *DockerCli, containerID string) (bool, int, error) {
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c, err := cli.client.ContainerInspect(containerID)
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if err != nil {
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// If we can't connect, then the daemon probably died.
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if err != lib.ErrConnectionFailed {
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return false, -1, err
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}
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return false, -1, nil
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}
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return c.State.Running, c.State.ExitCode, nil
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}
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// getExecExitCode perform an inspect on the exec command. It returns
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// the running state and the exit code.
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func getExecExitCode(cli *DockerCli, execID string) (bool, int, error) {
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resp, err := cli.client.ContainerExecInspect(execID)
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if err != nil {
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// If we can't connect, then the daemon probably died.
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if err != lib.ErrConnectionFailed {
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return false, -1, err
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}
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return false, -1, nil
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}
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return resp.Running, resp.ExitCode, nil
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}
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func (cli *DockerCli) monitorTtySize(id string, isExec bool) error {
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cli.resizeTty(id, isExec)
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if runtime.GOOS == "windows" {
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go func() {
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prevH, prevW := cli.getTtySize()
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for {
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time.Sleep(time.Millisecond * 250)
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h, w := cli.getTtySize()
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if prevW != w || prevH != h {
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cli.resizeTty(id, isExec)
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}
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prevH = h
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prevW = w
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}
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}()
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} else {
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sigchan := make(chan os.Signal, 1)
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gosignal.Notify(sigchan, signal.SIGWINCH)
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go func() {
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for range sigchan {
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cli.resizeTty(id, isExec)
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}
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}()
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}
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return nil
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}
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func (cli *DockerCli) getTtySize() (int, int) {
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if !cli.isTerminalOut {
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return 0, 0
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}
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ws, err := term.GetWinsize(cli.outFd)
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if err != nil {
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logrus.Debugf("Error getting size: %s", err)
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if ws == nil {
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return 0, 0
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}
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}
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return int(ws.Height), int(ws.Width)
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}
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