forked from evergreen-ci/evergreen
/
docker_cleanup.go
87 lines (71 loc) · 2.66 KB
/
docker_cleanup.go
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package docker
import (
"context"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/filters"
"github.com/docker/docker/client"
"github.com/mongodb/grip"
"github.com/mongodb/grip/message"
"github.com/pkg/errors"
)
// Cleanup removes all containers, images, and volumes from a Docker instance
// if a Docker daemon is listening on the default socket
func Cleanup(ctx context.Context, logger grip.Journaler) error {
dockerClient, err := client.NewClientWithOpts()
if err != nil {
return errors.Wrap(err, "can't get Docker client")
}
info, err := dockerClient.Info(ctx)
if err != nil {
logger.Info("Can't connect to Docker. It's probably not running")
return nil
}
logger.Info(message.Fields{
"message": "removing docker artifacts",
"containers_total": info.Containers,
"containers_running": info.ContainersRunning,
"containers_paused": info.ContainersPaused,
"containers_stopped": info.ContainersStopped,
"images": info.Images,
})
catcher := grip.NewBasicCatcher()
catcher.Add(cleanContainers(ctx, dockerClient))
catcher.Add(cleanImages(ctx, dockerClient))
catcher.Add(cleanVolumes(ctx, dockerClient, logger))
return catcher.Resolve()
}
func cleanContainers(ctx context.Context, dockerClient *client.Client) error {
containers, err := dockerClient.ContainerList(ctx, types.ContainerListOptions{All: true})
if err != nil {
return errors.Wrap(err, "can't get list of containers")
}
catcher := grip.NewBasicCatcher()
for _, container := range containers {
catcher.Wrapf(dockerClient.ContainerRemove(ctx, container.ID, types.ContainerRemoveOptions{Force: true}), "can't remove container '%s'", container.ID)
}
return catcher.Resolve()
}
func cleanImages(ctx context.Context, dockerClient *client.Client) error {
images, err := dockerClient.ImageList(ctx, types.ImageListOptions{All: true})
if err != nil {
return errors.Wrap(err, "can't get image list")
}
catcher := grip.NewBasicCatcher()
for _, image := range images {
_, err := dockerClient.ImageRemove(ctx, image.ID, types.ImageRemoveOptions{Force: true})
catcher.Wrapf(err, "can't remove image '%s'", image.ID)
}
return catcher.Resolve()
}
func cleanVolumes(ctx context.Context, dockerClient *client.Client, logger grip.Journaler) error {
volumes, err := dockerClient.VolumeList(ctx, filters.Args{})
if err != nil {
return errors.Wrap(err, "can't get volume list")
}
logger.Infof("Removing %d volumes", len(volumes.Volumes))
catcher := grip.NewBasicCatcher()
for _, volume := range volumes.Volumes {
catcher.Wrapf(dockerClient.VolumeRemove(ctx, volume.Name, true), "can't remove volume '%s'", volume.Name)
}
return catcher.Resolve()
}