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kubernetes runtime support for the debug command
Signed-off-by: Kyle Quest <kcq.public@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| package debug | ||
|
|
||
| import ( | ||
| "fmt" | ||
|
|
||
| dockerapi "github.com/fsouza/go-dockerclient" | ||
| log "github.com/sirupsen/logrus" | ||
|
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| "github.com/docker-slim/docker-slim/pkg/app" | ||
| "github.com/docker-slim/docker-slim/pkg/app/master/commands" | ||
| "github.com/docker-slim/docker-slim/pkg/app/master/container" | ||
| "github.com/docker-slim/docker-slim/pkg/app/master/inspectors/image" | ||
| "github.com/docker-slim/docker-slim/pkg/util/errutil" | ||
| ) | ||
|
|
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| // HandleDockerRuntime implements support for the docker runtime | ||
| func HandleDockerRuntime( | ||
| logger *log.Entry, | ||
| xc *app.ExecutionContext, | ||
| gparams *commands.GenericParams, | ||
| commandParams *CommandParams, | ||
| client *dockerapi.Client) { | ||
| imageInspector, err := image.NewInspector(client, commandParams.DebugContainerImage) | ||
| if imageInspector.NoImage() { | ||
| err := imageInspector.Pull(true, "", "", "") | ||
| xc.FailOn(err) | ||
| } | ||
|
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| targetContainerInfo, err := client.InspectContainer(commandParams.TargetRef) | ||
| if err != nil { | ||
| xc.Out.Error("target.container.inspect", err.Error()) | ||
| xc.Out.State("exited", | ||
| ovars{ | ||
| "exit.code": -1, | ||
| }) | ||
| xc.Exit(-1) | ||
| } | ||
|
|
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| options := container.ExecutionOptions{ | ||
| Entrypoint: commandParams.Entrypoint, | ||
| Cmd: commandParams.Cmd, | ||
| Terminal: commandParams.DoTerminal, | ||
| } | ||
|
|
||
| exe, err := container.NewExecution( | ||
| xc, | ||
| logger, | ||
| client, | ||
| commandParams.DebugContainerImage, | ||
| &options, | ||
| nil, | ||
| true, | ||
| true) | ||
|
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| // attach network, IPC & PIDs, essentially this is run --network container:golang_service --pid container:golang_service --ipc container:golang_service | ||
| mode := fmt.Sprintf("container:%s", commandParams.TargetRef) | ||
|
|
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| if targetContainerInfo.HostConfig.IpcMode == "shareable" { | ||
| exe.IpcMode = mode | ||
| } | ||
|
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| exe.NetworkMode = mode | ||
| exe.PidMode = mode | ||
|
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| xc.FailOn(err) | ||
|
|
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| err = exe.Start() | ||
| xc.FailOn(err) | ||
|
|
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| _, err = exe.Wait() | ||
| xc.FailOn(err) | ||
|
|
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| defer func() { | ||
| err = exe.Cleanup() | ||
| errutil.WarnOn(err) | ||
| }() | ||
|
|
||
| if !commandParams.DoTerminal { | ||
| exe.ShowContainerLogs() | ||
| } | ||
| } |
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