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Merge pull request #32574 from mlaventure/add-ctx-to-df-prune

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Add ctx to df and prune
This commit is contained in:
Kenfe-Mickaël Laventure 2017-04-26 15:42:08 -05:00 committed by GitHub
commit d4bf6ad716
18 changed files with 182 additions and 73 deletions
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2
api/server/router/container/backend.go
View file

@ -65,7 +65,7 @@ type attachBackend interface {
// systemBackend includes functions to implement to provide system wide containers functionality
type systemBackend interface {
ContainersPrune(pruneFilters filters.Args) (*types.ContainersPruneReport, error)
ContainersPrune(ctx context.Context, pruneFilters filters.Args) (*types.ContainersPruneReport, error)
}
// Backend is all the methods that need to be implemented to provide container specific functionality.

2
api/server/router/container/container.go
View file

@ -68,7 +68,7 @@ func (r *containerRouter) initRoutes() {
router.NewPostRoute("/exec/{name:.*}/resize", r.postContainerExecResize),
router.NewPostRoute("/containers/{name:.*}/rename", r.postContainerRename),
router.NewPostRoute("/containers/{name:.*}/update", r.postContainerUpdate),
router.NewPostRoute("/containers/prune", r.postContainersPrune),
router.NewPostRoute("/containers/prune", r.postContainersPrune, router.WithCancel),
// PUT
router.NewPutRoute("/containers/{name:.*}/archive", r.putContainersArchive),
// DELETE

2
api/server/router/container/container_routes.go
View file

@ -565,7 +565,7 @@ func (s *containerRouter) postContainersPrune(ctx context.Context, w http.Respon
return err
}
pruneReport, err := s.backend.ContainersPrune(pruneFilters)
pruneReport, err := s.backend.ContainersPrune(ctx, pruneFilters)
if err != nil {
return err
}

2
api/server/router/image/backend.go
View file

@ -30,7 +30,7 @@ type imageBackend interface {
Images(imageFilters filters.Args, all bool, withExtraAttrs bool) ([]*types.ImageSummary, error)
LookupImage(name string) (*types.ImageInspect, error)
TagImage(imageName, repository, tag string) error
ImagesPrune(pruneFilters filters.Args) (*types.ImagesPruneReport, error)
ImagesPrune(ctx context.Context, pruneFilters filters.Args) (*types.ImagesPruneReport, error)
}
type importExportBackend interface {

2
api/server/router/image/image.go
View file

@ -43,7 +43,7 @@ func (r *imageRouter) initRoutes() {
router.NewPostRoute("/images/create", r.postImagesCreate, router.WithCancel),
router.NewPostRoute("/images/{name:.*}/push", r.postImagesPush, router.WithCancel),
router.NewPostRoute("/images/{name:.*}/tag", r.postImagesTag),
router.NewPostRoute("/images/prune", r.postImagesPrune),
router.NewPostRoute("/images/prune", r.postImagesPrune, router.WithCancel),
// DELETE
router.NewDeleteRoute("/images/{name:.*}", r.deleteImages),
}

2
api/server/router/image/image_routes.go
View file

@ -336,7 +336,7 @@ func (s *imageRouter) postImagesPrune(ctx context.Context, w http.ResponseWriter
return err
}
pruneReport, err := s.backend.ImagesPrune(pruneFilters)
pruneReport, err := s.backend.ImagesPrune(ctx, pruneFilters)
if err != nil {
return err
}

4
api/server/router/network/backend.go
View file

@ -1,6 +1,8 @@
package network
import (
"golang.org/x/net/context"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/filters"
"github.com/docker/docker/api/types/network"
@ -16,5 +18,5 @@ type Backend interface {
ConnectContainerToNetwork(containerName, networkName string, endpointConfig *network.EndpointSettings) error
DisconnectContainerFromNetwork(containerName string, networkName string, force bool) error
DeleteNetwork(name string) error
NetworksPrune(pruneFilters filters.Args) (*types.NetworksPruneReport, error)
NetworksPrune(ctx context.Context, pruneFilters filters.Args) (*types.NetworksPruneReport, error)
}

2
api/server/router/network/network.go
View file

@ -37,7 +37,7 @@ func (r *networkRouter) initRoutes() {
router.NewPostRoute("/networks/create", r.postNetworkCreate),
router.NewPostRoute("/networks/{id:.*}/connect", r.postNetworkConnect),
router.NewPostRoute("/networks/{id:.*}/disconnect", r.postNetworkDisconnect),
router.NewPostRoute("/networks/prune", r.postNetworksPrune),
router.NewPostRoute("/networks/prune", r.postNetworksPrune, router.WithCancel),
// DELETE
router.NewDeleteRoute("/networks/{id:.*}", r.deleteNetwork),
}

2
api/server/router/network/network_routes.go
View file

@ -455,7 +455,7 @@ func (n *networkRouter) postNetworksPrune(ctx context.Context, w http.ResponseWr
return err
}
pruneReport, err := n.backend.NetworksPrune(pruneFilters)
pruneReport, err := n.backend.NetworksPrune(ctx, pruneFilters)
if err != nil {
return err
}

2
api/server/router/system/backend.go
View file

@ -14,7 +14,7 @@ import (
type Backend interface {
SystemInfo() (*types.Info, error)
SystemVersion() types.Version
SystemDiskUsage() (*types.DiskUsage, error)
SystemDiskUsage(ctx context.Context) (*types.DiskUsage, error)
SubscribeToEvents(since, until time.Time, ef filters.Args) ([]events.Message, chan interface{})
UnsubscribeFromEvents(chan interface{})
AuthenticateToRegistry(ctx context.Context, authConfig *types.AuthConfig) (string, string, error)

2
api/server/router/system/system.go
View file

@ -26,7 +26,7 @@ func NewRouter(b Backend, c *cluster.Cluster) router.Router {
router.NewGetRoute("/events", r.getEvents, router.WithCancel),
router.NewGetRoute("/info", r.getInfo),
router.NewGetRoute("/version", r.getVersion),
router.NewGetRoute("/system/df", r.getDiskUsage),
router.NewGetRoute("/system/df", r.getDiskUsage, router.WithCancel),
router.NewPostRoute("/auth", r.postAuth),
}

2
api/server/router/system/system_routes.go
View file

@ -71,7 +71,7 @@ func (s *systemRouter) getVersion(ctx context.Context, w http.ResponseWriter, r
}
func (s *systemRouter) getDiskUsage(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
du, err := s.backend.SystemDiskUsage()
du, err := s.backend.SystemDiskUsage(ctx)
if err != nil {
return err
}

4
api/server/router/volume/backend.go
View file

@ -1,6 +1,8 @@
package volume
import (
"golang.org/x/net/context"
// TODO return types need to be refactored into pkg
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/filters"
@ -13,5 +15,5 @@ type Backend interface {
VolumeInspect(name string) (*types.Volume, error)
VolumeCreate(name, driverName string, opts, labels map[string]string) (*types.Volume, error)
VolumeRm(name string, force bool) error
VolumesPrune(pruneFilters filters.Args) (*types.VolumesPruneReport, error)
VolumesPrune(ctx context.Context, pruneFilters filters.Args) (*types.VolumesPruneReport, error)
}

2
api/server/router/volume/volume.go
View file

@ -29,7 +29,7 @@ func (r *volumeRouter) initRoutes() {
router.NewGetRoute("/volumes/{name:.*}", r.getVolumeByName),
// POST
router.NewPostRoute("/volumes/create", r.postVolumesCreate),
router.NewPostRoute("/volumes/prune", r.postVolumesPrune),
router.NewPostRoute("/volumes/prune", r.postVolumesPrune, router.WithCancel),
// DELETE
router.NewDeleteRoute("/volumes/{name:.*}", r.deleteVolumes),
}

2
api/server/router/volume/volume_routes.go
View file

@ -77,7 +77,7 @@ func (v *volumeRouter) postVolumesPrune(ctx context.Context, w http.ResponseWrit
return err
}
pruneReport, err := v.backend.VolumesPrune(pruneFilters)
pruneReport, err := v.backend.VolumesPrune(ctx, pruneFilters)
if err != nil {
return err
}

3
daemon/daemon.go
View file

@ -111,6 +111,9 @@ type Daemon struct {
seccompProfile []byte
seccompProfilePath string
diskUsageRunning int32
pruneRunning int32
}
// HasExperimental returns whether the experimental features of the daemon are enabled or not

21
daemon/disk_usage.go
View file

@ -2,6 +2,9 @@ package daemon
import (
"fmt"
"sync/atomic"
"golang.org/x/net/context"
"github.com/Sirupsen/logrus"
"github.com/docker/docker/api/types"
@ -34,7 +37,12 @@ func (daemon *Daemon) getLayerRefs() map[layer.ChainID]int {
}
// SystemDiskUsage returns information about the daemon data disk usage
func (daemon *Daemon) SystemDiskUsage() (*types.DiskUsage, error) {
func (daemon *Daemon) SystemDiskUsage(ctx context.Context) (*types.DiskUsage, error) {
if !atomic.CompareAndSwapInt32(&daemon.diskUsageRunning, 0, 1) {
return nil, fmt.Errorf("a disk usage operation is already running")
}
defer atomic.StoreInt32(&daemon.diskUsageRunning, 0)
// Retrieve container list
allContainers, err := daemon.Containers(&types.ContainerListOptions{
Size: true,
@ -53,6 +61,10 @@ func (daemon *Daemon) SystemDiskUsage() (*types.DiskUsage, error) {
// Get all local volumes
allVolumes := []*types.Volume{}
getLocalVols := func(v volume.Volume) error {
select {
case <-ctx.Done():
return ctx.Err()
default:
name := v.Name()
refs := daemon.volumes.Refs(v)
@ -64,6 +76,7 @@ func (daemon *Daemon) SystemDiskUsage() (*types.DiskUsage, error) {
}
tv.UsageData = &types.VolumeUsageData{Size: sz, RefCount: int64(len(refs))}
allVolumes = append(allVolumes, tv)
}
return nil
}
@ -78,6 +91,10 @@ func (daemon *Daemon) SystemDiskUsage() (*types.DiskUsage, error) {
allLayers := daemon.layerStore.Map()
var allLayersSize int64
for _, l := range allLayers {
select {
case <-ctx.Done():
return nil, ctx.Err()
default:
size, err := l.DiffSize()
if err == nil {
if _, ok := layerRefs[l.ChainID()]; ok {
@ -88,7 +105,7 @@ func (daemon *Daemon) SystemDiskUsage() (*types.DiskUsage, error) {
} else {
logrus.Warnf("failed to get diff size for layer %v", l.ChainID())
}
}
}
return &types.DiskUsage{

101
daemon/prune.go
View file

@ -3,6 +3,7 @@ package daemon
import (
"fmt"
"regexp"
"sync/atomic"
"time"
"github.com/Sirupsen/logrus"
@ -17,10 +18,22 @@ import (
"github.com/docker/docker/volume"
"github.com/docker/libnetwork"
digest "github.com/opencontainers/go-digest"
"golang.org/x/net/context"
)
var (
// ErrPruneRunning is returned when a prune request is received while
// one is in progress
ErrPruneRunning = fmt.Errorf("a prune operation is already running")
)
// ContainersPrune removes unused containers
func (daemon *Daemon) ContainersPrune(pruneFilters filters.Args) (*types.ContainersPruneReport, error) {
func (daemon *Daemon) ContainersPrune(ctx context.Context, pruneFilters filters.Args) (*types.ContainersPruneReport, error) {
if !atomic.CompareAndSwapInt32(&daemon.pruneRunning, 0, 1) {
return nil, ErrPruneRunning
}
defer atomic.StoreInt32(&daemon.pruneRunning, 0)
rep := &types.ContainersPruneReport{}
until, err := getUntilFromPruneFilters(pruneFilters)
@ -30,6 +43,13 @@ func (daemon *Daemon) ContainersPrune(pruneFilters filters.Args) (*types.Contain
allContainers := daemon.List()
for _, c := range allContainers {
select {
case <-ctx.Done():
logrus.Warnf("ContainersPrune operation cancelled: %#v", *rep)
return rep, ctx.Err()
default:
}
if !c.IsRunning() {
if !until.IsZero() && c.Created.After(until) {
continue
@ -55,10 +75,22 @@ func (daemon *Daemon) ContainersPrune(pruneFilters filters.Args) (*types.Contain
}
// VolumesPrune removes unused local volumes
func (daemon *Daemon) VolumesPrune(pruneFilters filters.Args) (*types.VolumesPruneReport, error) {
func (daemon *Daemon) VolumesPrune(ctx context.Context, pruneFilters filters.Args) (*types.VolumesPruneReport, error) {
if !atomic.CompareAndSwapInt32(&daemon.pruneRunning, 0, 1) {
return nil, ErrPruneRunning
}
defer atomic.StoreInt32(&daemon.pruneRunning, 0)
rep := &types.VolumesPruneReport{}
pruneVols := func(v volume.Volume) error {
select {
case <-ctx.Done():
logrus.Warnf("VolumesPrune operation cancelled: %#v", *rep)
return ctx.Err()
default:
}
name := v.Name()
refs := daemon.volumes.Refs(v)
@ -91,7 +123,12 @@ func (daemon *Daemon) VolumesPrune(pruneFilters filters.Args) (*types.VolumesPru
}
// ImagesPrune removes unused images
func (daemon *Daemon) ImagesPrune(pruneFilters filters.Args) (*types.ImagesPruneReport, error) {
func (daemon *Daemon) ImagesPrune(ctx context.Context, pruneFilters filters.Args) (*types.ImagesPruneReport, error) {
if !atomic.CompareAndSwapInt32(&daemon.pruneRunning, 0, 1) {
return nil, ErrPruneRunning
}
defer atomic.StoreInt32(&daemon.pruneRunning, 0)
rep := &types.ImagesPruneReport{}
danglingOnly := true
@ -117,13 +154,22 @@ func (daemon *Daemon) ImagesPrune(pruneFilters filters.Args) (*types.ImagesPrune
allContainers := daemon.List()
imageRefs := map[string]bool{}
for _, c := range allContainers {
select {
case <-ctx.Done():
return nil, ctx.Err()
default:
imageRefs[c.ID] = true
}
}
// Filter intermediary images and get their unique size
allLayers := daemon.layerStore.Map()
topImages := map[image.ID]*image.Image{}
for id, img := range allImages {
select {
case <-ctx.Done():
return nil, ctx.Err()
default:
dgst := digest.Digest(id)
if len(daemon.referenceStore.References(dgst)) == 0 && len(daemon.imageStore.Children(id)) != 0 {
continue
@ -136,8 +182,19 @@ func (daemon *Daemon) ImagesPrune(pruneFilters filters.Args) (*types.ImagesPrune
}
topImages[id] = img
}
}
canceled := false
deleteImagesLoop:
for id := range topImages {
select {
case <-ctx.Done():
// we still want to calculate freed size and return the data
canceled = true
break deleteImagesLoop
default:
}
dgst := digest.Digest(id)
hex := dgst.Hex()
if _, ok := imageRefs[hex]; ok {
@ -198,17 +255,27 @@ func (daemon *Daemon) ImagesPrune(pruneFilters filters.Args) (*types.ImagesPrune
}
}
if canceled {
logrus.Warnf("ImagesPrune operation cancelled: %#v", *rep)
return nil, ctx.Err()
}
return rep, nil
}
// localNetworksPrune removes unused local networks
func (daemon *Daemon) localNetworksPrune(pruneFilters filters.Args) *types.NetworksPruneReport {
func (daemon *Daemon) localNetworksPrune(ctx context.Context, pruneFilters filters.Args) *types.NetworksPruneReport {
rep := &types.NetworksPruneReport{}
until, _ := getUntilFromPruneFilters(pruneFilters)
// When the function returns true, the walk will stop.
l := func(nw libnetwork.Network) bool {
select {
case <-ctx.Done():
return true
default:
}
if !until.IsZero() && nw.Info().Created().After(until) {
return false
}
@ -234,7 +301,7 @@ func (daemon *Daemon) localNetworksPrune(pruneFilters filters.Args) *types.Netwo
}
// clusterNetworksPrune removes unused cluster networks
func (daemon *Daemon) clusterNetworksPrune(pruneFilters filters.Args) (*types.NetworksPruneReport, error) {
func (daemon *Daemon) clusterNetworksPrune(ctx context.Context, pruneFilters filters.Args) (*types.NetworksPruneReport, error) {
rep := &types.NetworksPruneReport{}
until, _ := getUntilFromPruneFilters(pruneFilters)
@ -251,6 +318,10 @@ func (daemon *Daemon) clusterNetworksPrune(pruneFilters filters.Args) (*types.Ne
}
networkIsInUse := regexp.MustCompile(`network ([[:alnum:]]+) is in use`)
for _, nw := range networks {
select {
case <-ctx.Done():
return rep, ctx.Err()
default:
if nw.Ingress {
// Routing-mesh network removal has to be explicitly invoked by user
continue
@ -275,22 +346,36 @@ func (daemon *Daemon) clusterNetworksPrune(pruneFilters filters.Args) (*types.Ne
}
rep.NetworksDeleted = append(rep.NetworksDeleted, nw.Name)
}
}
return rep, nil
}
// NetworksPrune removes unused networks
func (daemon *Daemon) NetworksPrune(pruneFilters filters.Args) (*types.NetworksPruneReport, error) {
func (daemon *Daemon) NetworksPrune(ctx context.Context, pruneFilters filters.Args) (*types.NetworksPruneReport, error) {
if !atomic.CompareAndSwapInt32(&daemon.pruneRunning, 0, 1) {
return nil, ErrPruneRunning
}
defer atomic.StoreInt32(&daemon.pruneRunning, 0)
if _, err := getUntilFromPruneFilters(pruneFilters); err != nil {
return nil, err
}
rep := &types.NetworksPruneReport{}
if clusterRep, err := daemon.clusterNetworksPrune(pruneFilters); err == nil {
if clusterRep, err := daemon.clusterNetworksPrune(ctx, pruneFilters); err == nil {
rep.NetworksDeleted = append(rep.NetworksDeleted, clusterRep.NetworksDeleted...)
}
localRep := daemon.localNetworksPrune(pruneFilters)
localRep := daemon.localNetworksPrune(ctx, pruneFilters)
rep.NetworksDeleted = append(rep.NetworksDeleted, localRep.NetworksDeleted...)
select {
case <-ctx.Done():
logrus.Warnf("NetworksPrune operation cancelled: %#v", *rep)
return nil, ctx.Err()
default:
}
return rep, nil
}