Merge pull request #342 from jesseduffield/container-logs-in-sdk
Jesse Duffield
2 years ago
committed by
GitHub
commit
2fa6a8964a
@ -0,0 +1,134 @@
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package gui
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import (
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"context"
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"fmt"
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"io"
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"os"
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"os/signal"
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"time"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/pkg/stdcopy"
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"github.com/fatih/color"
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"github.com/jesseduffield/lazydocker/pkg/commands"
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"github.com/jesseduffield/lazydocker/pkg/utils"
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)
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func (gui *Gui) renderContainerLogsToMain(container *commands.Container) error {
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mainView := gui.getMainView()
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mainView.Autoscroll = true
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mainView.Wrap = gui.Config.UserConfig.Gui.WrapMainPanel
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return gui.T.NewTickerTask(time.Millisecond*200, nil, func(stop, notifyStopped chan struct{}) {
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gui.renderContainerLogsToMainAux(container, stop, notifyStopped)
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})
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}
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func (gui *Gui) renderContainerLogsToMainAux(container *commands.Container, stop, notifyStopped chan struct{}) {
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gui.clearMainView()
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defer func() {
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notifyStopped <- struct{}{}
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}()
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ctx, ctxCancel := context.WithCancel(context.Background())
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go func() {
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<-stop
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ctxCancel()
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}()
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mainView := gui.getMainView()
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if err := gui.writeContainerLogs(container, ctx, mainView); err != nil {
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gui.Log.Error(err)
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}
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// if we are here because the task has been stopped, we should return
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// if we are here then the container must have exited, meaning we should wait until it's back again before
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ticker := time.NewTicker(time.Millisecond * 100)
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defer ticker.Stop()
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for {
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select {
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case <-stop:
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return
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case <-ticker.C:
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result, err := container.Inspect()
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if err != nil {
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// if we get an error, then the container has probably been removed so we'll get out of here
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gui.Log.Error(err)
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return
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}
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if result.State.Running {
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return
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}
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}
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}
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}
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func (gui *Gui) renderLogsToStdout(container *commands.Container) {
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stop := make(chan os.Signal, 1)
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defer signal.Stop(stop)
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ctx, cancel := context.WithCancel(context.Background())
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go func() {
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signal.Notify(stop, os.Interrupt)
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<-stop
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cancel()
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}()
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if err := gui.g.Suspend(); err != nil {
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gui.Log.Error(err)
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return
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}
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defer func() {
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if err := gui.g.Resume(); err != nil {
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gui.Log.Error(err)
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}
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}()
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if err := gui.writeContainerLogs(container, ctx, os.Stdout); err != nil {
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gui.Log.Error(err)
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return
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}
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gui.promptToReturn()
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}
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func (gui *Gui) promptToReturn() {
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if !gui.Config.UserConfig.Gui.ReturnImmediately {
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fmt.Fprintf(os.Stdout, "\n\n%s", utils.ColoredString(gui.Tr.PressEnterToReturn, color.FgGreen))
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// wait for enter press
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if _, err := fmt.Scanln(); err != nil {
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gui.Log.Error(err)
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}
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}
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}
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func (gui *Gui) writeContainerLogs(container *commands.Container, ctx context.Context, writer io.Writer) error {
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readCloser, err := gui.DockerCommand.Client.ContainerLogs(ctx, container.ID, types.ContainerLogsOptions{
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ShowStdout: true,
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ShowStderr: true,
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Timestamps: gui.Config.UserConfig.Logs.Timestamps,
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Since: gui.Config.UserConfig.Logs.Since,
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Follow: true,
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})
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if err != nil {
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return err
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}
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if container.DetailsLoaded() && container.Details.Config.Tty {
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_, err = io.Copy(writer, readCloser)
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if err != nil {
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return err
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}
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} else {
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_, err = stdcopy.StdCopy(writer, writer, readCloser)
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if err != nil {
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return err
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}
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}
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return nil
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}
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