mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
125 lines
3.5 KiB
Go
125 lines
3.5 KiB
Go
package daemon
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import (
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"fmt"
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"os"
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"path"
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"github.com/docker/docker/engine"
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log "github.com/Sirupsen/logrus"
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)
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func (daemon *Daemon) ContainerRm(job *engine.Job) engine.Status {
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if len(job.Args) != 1 {
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return job.Errorf("Not enough arguments. Usage: %s CONTAINER\n", job.Name)
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}
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name := job.Args[0]
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removeVolume := job.GetenvBool("removeVolume")
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removeLink := job.GetenvBool("removeLink")
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forceRemove := job.GetenvBool("forceRemove")
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container := daemon.Get(name)
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if container == nil {
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return job.Errorf("No such container: %s", name)
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}
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if removeLink {
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name, err := GetFullContainerName(name)
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if err != nil {
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job.Error(err)
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}
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parent, n := path.Split(name)
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if parent == "/" {
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return job.Errorf("Conflict, cannot remove the default name of the container")
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}
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pe := daemon.ContainerGraph().Get(parent)
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if pe == nil {
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return job.Errorf("Cannot get parent %s for name %s", parent, name)
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}
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parentContainer := daemon.Get(pe.ID())
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if parentContainer != nil {
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parentContainer.DisableLink(n)
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}
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if err := daemon.ContainerGraph().Delete(name); err != nil {
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return job.Error(err)
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}
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return engine.StatusOK
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}
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if container != nil {
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if container.IsRunning() {
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if forceRemove {
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if err := container.Kill(); err != nil {
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return job.Errorf("Could not kill running container, cannot remove - %v", err)
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}
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} else {
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return job.Errorf("You cannot remove a running container. Stop the container before attempting removal or use -f")
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}
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}
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if err := daemon.Destroy(container); err != nil {
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return job.Errorf("Cannot destroy container %s: %s", name, err)
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}
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container.LogEvent("destroy")
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if removeVolume {
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daemon.DeleteVolumes(container.VolumePaths())
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}
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}
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return engine.StatusOK
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}
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func (daemon *Daemon) DeleteVolumes(volumeIDs map[string]struct{}) {
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for id := range volumeIDs {
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if err := daemon.volumes.Delete(id); err != nil {
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log.Infof("%s", err)
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continue
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}
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}
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}
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// Destroy unregisters a container from the daemon and cleanly removes its contents from the filesystem.
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// FIXME: rename to Rm for consistency with the CLI command
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func (daemon *Daemon) Destroy(container *Container) error {
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if container == nil {
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return fmt.Errorf("The given container is <nil>")
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}
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element := daemon.containers.Get(container.ID)
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if element == nil {
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return fmt.Errorf("Container %v not found - maybe it was already destroyed?", container.ID)
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}
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if err := container.Stop(3); err != nil {
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return err
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}
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// Deregister the container before removing its directory, to avoid race conditions
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daemon.idIndex.Delete(container.ID)
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daemon.containers.Delete(container.ID)
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container.derefVolumes()
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if _, err := daemon.containerGraph.Purge(container.ID); err != nil {
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log.Debugf("Unable to remove container from link graph: %s", err)
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}
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if err := daemon.driver.Remove(container.ID); err != nil {
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return fmt.Errorf("Driver %s failed to remove root filesystem %s: %s", daemon.driver, container.ID, err)
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}
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initID := fmt.Sprintf("%s-init", container.ID)
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if err := daemon.driver.Remove(initID); err != nil {
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return fmt.Errorf("Driver %s failed to remove init filesystem %s: %s", daemon.driver, initID, err)
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}
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if err := os.RemoveAll(container.root); err != nil {
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return fmt.Errorf("Unable to remove filesystem for %v: %v", container.ID, err)
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}
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if err := daemon.execDriver.Clean(container.ID); err != nil {
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return fmt.Errorf("Unable to remove execdriver data for %s: %s", container.ID, err)
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}
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selinuxFreeLxcContexts(container.ProcessLabel)
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return nil
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}
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