/
docker_server_stages_storage.go
537 lines (416 loc) · 18.3 KB
/
docker_server_stages_storage.go
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package storage
import (
"context"
"fmt"
"strconv"
"strings"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/filters"
"github.com/werf/logboek"
"github.com/werf/werf/pkg/container_runtime"
"github.com/werf/werf/pkg/docker"
"github.com/werf/werf/pkg/docker_registry"
"github.com/werf/werf/pkg/image"
"github.com/werf/werf/pkg/util"
)
const (
LocalStage_ImageRepoFormat = "%s"
LocalStage_ImageFormat = "%s:%s-%d"
LocalImportMetadata_ImageNameFormat = "werf-import-metadata/%s"
LocalImportMetadata_TagFormat = "%s"
LocalClientIDRecord_ImageNameFormat = "werf-client-id/%s"
LocalClientIDRecord_ImageFormat = "werf-client-id/%s:%s-%d"
)
const ImageDeletionFailedDueToUsedByContainerErrorTip = "Use --force option to remove all containers that are based on deleting werf docker images"
func IsImageDeletionFailedDueToUsingByContainerErr(err error) bool {
return strings.HasSuffix(err.Error(), ImageDeletionFailedDueToUsedByContainerErrorTip)
}
func getDigestAndUniqueIDFromLocalStageImageTag(repoStageImageTag string) (string, int64, error) {
parts := strings.SplitN(repoStageImageTag, "-", 2)
if uniqueID, err := image.ParseUniqueIDAsTimestamp(parts[1]); err != nil {
return "", 0, fmt.Errorf("unable to parse unique id %s as timestamp: %s", parts[1], err)
} else {
return parts[0], uniqueID, nil
}
}
type DockerServerStagesStorage struct {
// Local stages storage is compatible only with docker-server backed runtime
DockerServerRuntime *container_runtime.DockerServerRuntime
}
func NewDockerServerStagesStorage(dockerServerRuntime *container_runtime.DockerServerRuntime) *DockerServerStagesStorage {
return &DockerServerStagesStorage{DockerServerRuntime: dockerServerRuntime}
}
func (storage *DockerServerStagesStorage) ConstructStageImageName(projectName, digest string, uniqueID int64) string {
return fmt.Sprintf(LocalStage_ImageFormat, projectName, digest, uniqueID)
}
func (storage *DockerServerStagesStorage) GetStagesIDs(ctx context.Context, projectName string, _ ...Option) ([]image.StageID, error) {
filterSet := localStagesStorageFilterSetBase(projectName)
images, err := docker.Images(ctx, types.ImageListOptions{Filters: filterSet})
if err != nil {
return nil, fmt.Errorf("unable to get docker images: %s", err)
}
return convertToStagesList(images)
}
func (storage *DockerServerStagesStorage) ExportStage(ctx context.Context, stageDescription *image.StageDescription, destinationReference string) error {
if err := docker.CliTag(ctx, stageDescription.Info.Name, destinationReference); err != nil {
return err
}
defer func() { _ = docker.CliRmi(ctx, destinationReference) }()
if err := docker.CliPushWithRetries(ctx, destinationReference); err != nil {
return err
}
return docker_registry.API().MutateAndPushImage(ctx, destinationReference, destinationReference, mutateExportStageConfig)
}
func (storage *DockerServerStagesStorage) DeleteStage(ctx context.Context, stageDescription *image.StageDescription, options DeleteImageOptions) error {
return deleteRepoImageListInDockerServerStagesStorage(ctx, stageDescription, options.RmiForce)
}
func (storage *DockerServerStagesStorage) RejectStage(_ context.Context, _, _ string, _ int64) error {
return nil
}
type FilterStagesAndProcessRelatedDataOptions struct {
SkipUsedImage bool
RmForce bool
RmContainersThatUseImage bool
}
func (storage *DockerServerStagesStorage) FilterStagesAndProcessRelatedData(ctx context.Context, stageDescriptions []*image.StageDescription, options FilterStagesAndProcessRelatedDataOptions) ([]*image.StageDescription, error) {
return processRelatedContainers(ctx, stageDescriptions, processRelatedContainersOptions{
skipUsedImages: options.SkipUsedImage,
rmContainersThatUseImage: options.RmContainersThatUseImage,
rmForce: options.RmForce,
})
}
func (storage *DockerServerStagesStorage) CreateRepo(_ context.Context) error {
return nil
}
func (storage *DockerServerStagesStorage) DeleteRepo(_ context.Context) error {
return nil
}
func (storage *DockerServerStagesStorage) GetStageDescription(ctx context.Context, projectName, digest string, uniqueID int64) (*image.StageDescription, error) {
stageImageName := storage.ConstructStageImageName(projectName, digest, uniqueID)
inspect, err := storage.DockerServerRuntime.GetImageInspect(ctx, stageImageName)
if err != nil {
return nil, fmt.Errorf("unable to get image %s inspect: %s", stageImageName, err)
}
if inspect != nil {
return &image.StageDescription{
StageID: &image.StageID{Digest: digest, UniqueID: uniqueID},
Info: image.NewInfoFromInspect(stageImageName, inspect),
}, nil
}
return nil, nil
}
func (storage *DockerServerStagesStorage) AddStageCustomTag(_ context.Context, _ *image.StageDescription, _ string) error {
return fmt.Errorf("not implemented")
}
func (storage *DockerServerStagesStorage) CheckStageCustomTag(_ context.Context, _ *image.StageDescription, _ string) error {
return fmt.Errorf("not implemented")
}
func (storage *DockerServerStagesStorage) DeleteStageCustomTag(_ context.Context, _ string) error {
return fmt.Errorf("not implemented")
}
func (storage *DockerServerStagesStorage) GetStageCustomTagMetadata(_ context.Context, _ string) (*CustomTagMetadata, error) {
return nil, fmt.Errorf("not implemented")
}
func (storage *DockerServerStagesStorage) GetStageCustomTagMetadataIDs(_ context.Context, _ ...Option) ([]string, error) {
return nil, nil
}
func (storage *DockerServerStagesStorage) AddManagedImage(_ context.Context, _, _ string) error {
return nil
}
func (storage *DockerServerStagesStorage) RmManagedImage(_ context.Context, _, _ string) error {
return nil
}
func (storage *DockerServerStagesStorage) IsManagedImageExist(_ context.Context, _, _ string, _ ...Option) (bool, error) {
return false, nil
}
func (storage *DockerServerStagesStorage) GetManagedImages(_ context.Context, _ string, _ ...Option) ([]string, error) {
return []string{}, nil
}
func (storage *DockerServerStagesStorage) GetStagesIDsByDigest(ctx context.Context, projectName, digest string, _ ...Option) ([]image.StageID, error) {
filterSet := filters.NewArgs()
filterSet.Add("reference", fmt.Sprintf(LocalStage_ImageRepoFormat, projectName))
// NOTE digest already depends on build-cache-version
filterSet.Add("label", fmt.Sprintf("%s=%s", image.WerfStageDigestLabel, digest))
images, err := docker.Images(ctx, types.ImageListOptions{Filters: filterSet})
if err != nil {
return nil, fmt.Errorf("unable to get docker images: %s", err)
}
return convertToStagesList(images)
}
func (storage *DockerServerStagesStorage) ShouldFetchImage(_ context.Context, _ container_runtime.LegacyImageInterface) (bool, error) {
return false, nil
}
func (storage *DockerServerStagesStorage) FetchImage(_ context.Context, _ container_runtime.LegacyImageInterface) error {
return nil
}
func (storage *DockerServerStagesStorage) StoreImage(ctx context.Context, img container_runtime.LegacyImageInterface) error {
return storage.DockerServerRuntime.TagImageByName(ctx, img)
}
func (storage *DockerServerStagesStorage) PutImageMetadata(_ context.Context, _, _, _, _ string) error {
return nil
}
func (storage *DockerServerStagesStorage) RmImageMetadata(_ context.Context, _, _, _, _ string) error {
return nil
}
func (storage *DockerServerStagesStorage) selectFullImageMetadataName(_ context.Context, _, _, _, _ string) (string, error) {
return "", nil
}
func (storage *DockerServerStagesStorage) IsImageMetadataExist(_ context.Context, _, _, _, _ string, _ ...Option) (bool, error) {
return false, nil
}
func (storage *DockerServerStagesStorage) GetAllAndGroupImageMetadataByImageName(_ context.Context, _ string, _ []string, _ ...Option) (map[string]map[string][]string, map[string]map[string][]string, error) {
return map[string]map[string][]string{}, map[string]map[string][]string{}, nil
}
func (storage *DockerServerStagesStorage) GetImportMetadata(ctx context.Context, projectName, id string) (*ImportMetadata, error) {
logboek.Context(ctx).Debug().LogF("-- DockerServerStagesStorage.GetImportMetadata %s %s\n", projectName, id)
fullImageName := makeLocalImportMetadataName(projectName, id)
logboek.Context(ctx).Debug().LogF("-- DockerServerStagesStorage.GetImportMetadata full image name: %s\n", fullImageName)
inspect, err := storage.DockerServerRuntime.GetImageInspect(ctx, fullImageName)
if err != nil {
return nil, fmt.Errorf("unable to get image %s inspect: %s", fullImageName, err)
}
if inspect != nil {
return newImportMetadataFromLabels(inspect.Config.Labels), nil
}
return nil, nil
}
func (storage *DockerServerStagesStorage) PutImportMetadata(ctx context.Context, projectName string, metadata *ImportMetadata) error {
logboek.Context(ctx).Debug().LogF("-- DockerServerStagesStorage.PutImportMetadata %s %v\n", projectName, metadata)
fullImageName := makeLocalImportMetadataName(projectName, metadata.ImportSourceID)
logboek.Context(ctx).Debug().LogF("-- DockerServerStagesStorage.PutImportMetadata full image name: %s\n", fullImageName)
if exists, err := docker.ImageExist(ctx, fullImageName); err != nil {
return fmt.Errorf("unable to check existence of image %q: %s", fullImageName, err)
} else if exists {
return nil
}
labels := metadata.ToLabels()
labels[image.WerfLabel] = projectName
if err := docker.CreateImage(ctx, fullImageName, labels); err != nil {
return fmt.Errorf("unable to create image %q: %s", fullImageName, err)
}
return nil
}
func (storage *DockerServerStagesStorage) RmImportMetadata(ctx context.Context, projectName, id string) error {
logboek.Context(ctx).Debug().LogF("-- DockerServerStagesStorage.RmImportMetadata %s %s\n", projectName, id)
fullImageName := makeLocalImportMetadataName(projectName, id)
logboek.Context(ctx).Debug().LogF("-- DockerServerStagesStorage.RmImportMetadata full image name: %s\n", fullImageName)
if exists, err := docker.ImageExist(ctx, fullImageName); err != nil {
return fmt.Errorf("unable to check existence of image %s: %s", fullImageName, err)
} else if !exists {
return nil
}
if err := docker.CliRmi(ctx, "--force", fullImageName); err != nil {
return fmt.Errorf("unable to remove image %s: %s", fullImageName, err)
}
return nil
}
func (storage *DockerServerStagesStorage) GetImportMetadataIDs(ctx context.Context, projectName string, _ ...Option) ([]string, error) {
logboek.Context(ctx).Debug().LogF("-- DockerServerStagesStorage.GetImportMetadataIDs %s\n", projectName)
filterSet := filters.NewArgs()
filterSet.Add("reference", fmt.Sprintf(LocalImportMetadata_ImageNameFormat, projectName))
images, err := docker.Images(ctx, types.ImageListOptions{Filters: filterSet})
if err != nil {
return nil, fmt.Errorf("unable to get docker images: %s", err)
}
var tags []string
for _, img := range images {
for _, repoTag := range img.RepoTags {
_, tag := image.ParseRepositoryAndTag(repoTag)
tags = append(tags, tag)
}
}
return tags, nil
}
func makeLocalImportMetadataName(projectName, importSourceID string) string {
return strings.Join(
[]string{
fmt.Sprintf(LocalImportMetadata_ImageNameFormat, projectName),
fmt.Sprintf(LocalImportMetadata_TagFormat, importSourceID),
}, ":",
)
}
func (storage *DockerServerStagesStorage) String() string {
return LocalStorageAddress
}
func (storage *DockerServerStagesStorage) Address() string {
return LocalStorageAddress
}
func (storage *DockerServerStagesStorage) GetClientIDRecords(ctx context.Context, projectName string, _ ...Option) ([]*ClientIDRecord, error) {
logboek.Context(ctx).Debug().LogF("-- DockerServerStagesStorage.GetClientID for project %s\n", projectName)
filterSet := filters.NewArgs()
filterSet.Add("reference", fmt.Sprintf(LocalClientIDRecord_ImageNameFormat, projectName))
images, err := docker.Images(ctx, types.ImageListOptions{Filters: filterSet})
if err != nil {
return nil, fmt.Errorf("unable to get docker images: %s", err)
}
var res []*ClientIDRecord
for _, img := range images {
for _, repoTag := range img.RepoTags {
_, tag := image.ParseRepositoryAndTag(repoTag)
tagParts := strings.SplitN(util.Reverse(tag), "-", 2)
if len(tagParts) != 2 {
continue
}
clientID, timestampMillisecStr := util.Reverse(tagParts[1]), util.Reverse(tagParts[0])
timestampMillisec, err := strconv.ParseInt(timestampMillisecStr, 10, 64)
if err != nil {
continue
}
rec := &ClientIDRecord{ClientID: clientID, TimestampMillisec: timestampMillisec}
res = append(res, rec)
logboek.Context(ctx).Debug().LogF("-- DockerServerStagesStorage.GetClientID got clientID record: %s\n", rec)
}
}
return res, nil
}
func (storage *DockerServerStagesStorage) PostClientIDRecord(ctx context.Context, projectName string, rec *ClientIDRecord) error {
logboek.Context(ctx).Debug().LogF("-- DockerServerStagesStorage.PostClientID %s for project %s\n", rec.ClientID, projectName)
fullImageName := fmt.Sprintf(LocalClientIDRecord_ImageFormat, projectName, rec.ClientID, rec.TimestampMillisec)
logboek.Context(ctx).Debug().LogF("-- DockerServerStagesStorage.PostClientID full image name: %s\n", fullImageName)
labels := map[string]string{image.WerfLabel: projectName}
if err := docker.CreateImage(ctx, fullImageName, labels); err != nil {
return fmt.Errorf("unable to create image %q: %s", fullImageName, err)
}
logboek.Context(ctx).Info().LogF("Posted new clientID %q for project %s\n", rec.ClientID, projectName)
return nil
}
type processRelatedContainersOptions struct {
skipUsedImages bool
rmContainersThatUseImage bool
rmForce bool
}
func processRelatedContainers(ctx context.Context, stageDescriptionList []*image.StageDescription, options processRelatedContainersOptions) ([]*image.StageDescription, error) {
filterSet := filters.NewArgs()
for _, stageDescription := range stageDescriptionList {
filterSet.Add("ancestor", stageDescription.Info.ID)
}
containerList, err := containerListByFilterSet(ctx, filterSet)
if err != nil {
return nil, err
}
var stageDescriptionListToExcept []*image.StageDescription
var containerListToRemove []types.Container
for _, container := range containerList {
for _, stageDescription := range stageDescriptionList {
imageInfo := stageDescription.Info
if imageInfo.ID == container.ImageID {
switch {
case options.skipUsedImages:
logboek.Context(ctx).Default().LogFDetails("Skip image %s (used by container %s)\n", logImageName(imageInfo), logContainerName(container))
stageDescriptionListToExcept = append(stageDescriptionListToExcept, stageDescription)
case options.rmContainersThatUseImage:
containerListToRemove = append(containerListToRemove, container)
default:
return nil, fmt.Errorf("cannot remove image %s used by container %s\n%s", logImageName(imageInfo), logContainerName(container), ImageDeletionFailedDueToUsedByContainerErrorTip)
}
}
}
}
if err := deleteContainers(ctx, containerListToRemove, options.rmForce); err != nil {
return nil, err
}
return exceptStageDescriptionList(stageDescriptionList, stageDescriptionListToExcept...), nil
}
func containerListByFilterSet(ctx context.Context, filterSet filters.Args) ([]types.Container, error) {
containersOptions := types.ContainerListOptions{}
containersOptions.All = true
containersOptions.Quiet = true
containersOptions.Filters = filterSet
return docker.Containers(ctx, containersOptions)
}
func deleteContainers(ctx context.Context, containers []types.Container, rmForce bool) error {
for _, container := range containers {
if err := docker.ContainerRemove(ctx, container.ID, types.ContainerRemoveOptions{Force: rmForce}); err != nil {
return err
}
}
return nil
}
func exceptStageDescriptionList(stageDescriptionList []*image.StageDescription, stageDescriptionListToExcept ...*image.StageDescription) []*image.StageDescription {
var result []*image.StageDescription
loop:
for _, sd1 := range stageDescriptionList {
for _, sd2 := range stageDescriptionListToExcept {
if sd2 == sd1 {
continue loop
}
}
result = append(result, sd1)
}
return result
}
func localStagesStorageFilterSetBase(projectName string) filters.Args {
filterSet := filters.NewArgs()
filterSet.Add("reference", fmt.Sprintf(LocalStage_ImageRepoFormat, projectName))
filterSet.Add("label", fmt.Sprintf("%s=%s", image.WerfLabel, projectName))
filterSet.Add("label", fmt.Sprintf("%s=%s", image.WerfCacheVersionLabel, image.BuildCacheVersion))
return filterSet
}
func logImageName(image *image.Info) string {
if image.Name == "<none>:<none>" {
return image.ID
} else {
return image.Name
}
}
func logContainerName(container types.Container) string {
name := container.ID
if len(container.Names) != 0 {
name = container.Names[0]
}
return name
}
func convertToStagesList(imageSummaryList []types.ImageSummary) ([]image.StageID, error) {
var stagesList []image.StageID
for _, imageSummary := range imageSummaryList {
repoTags := imageSummary.RepoTags
if len(repoTags) == 0 {
repoTags = append(repoTags, "<none>:<none>")
}
for _, repoTag := range repoTags {
_, tag := image.ParseRepositoryAndTag(repoTag)
if len(tag) != 70 || len(strings.Split(tag, "-")) != 2 { // 2604b86b2c7a1c6d19c62601aadb19e7d5c6bb8f17bc2bf26a390ea7-1611836746968
continue
}
if digest, uniqueID, err := getDigestAndUniqueIDFromLocalStageImageTag(tag); err != nil {
return nil, err
} else {
stagesList = append(stagesList, image.StageID{Digest: digest, UniqueID: uniqueID})
}
}
}
return stagesList, nil
}
func deleteRepoImageListInDockerServerStagesStorage(ctx context.Context, stageDescription *image.StageDescription, rmiForce bool) error {
var imageReferences []string
imageInfo := stageDescription.Info
if imageInfo.Name == "" {
imageReferences = append(imageReferences, imageInfo.ID)
} else {
isDanglingImage := imageInfo.Name == "<none>:<none>"
isTaglessImage := !isDanglingImage && imageInfo.Tag == "<none>"
if isDanglingImage || isTaglessImage {
imageReferences = append(imageReferences, imageInfo.ID)
} else {
imageReferences = append(imageReferences, imageInfo.Name)
}
}
if err := imageReferencesRemove(ctx, imageReferences, rmiForce); err != nil {
return err
}
return nil
}
func imageReferencesRemove(ctx context.Context, references []string, rmiForce bool) error {
if len(references) == 0 {
return nil
}
var args []string
if rmiForce {
args = append(args, "--force")
}
args = append(args, references...)
if err := docker.CliRmi_LiveOutput(ctx, args...); err != nil {
return err
}
return nil
}