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builder: Don't store context in struct

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Signed-off-by: Paweł Gronowski <pawel.gronowski@docker.com>
This commit is contained in:
Paweł Gronowski 2022-10-28 13:40:06 +02:00
parent a181a825c8
commit 66a0289081
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GPG key ID: B85EFCFE26DEF92A
7 changed files with 27 additions and 27 deletions
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12
builder/dockerfile/builder.go
View file

@ -117,8 +117,7 @@ type Builder struct {
Aux *streamformatter.AuxFormatter
Output io.Writer
docker builder.Backend
clientCtx context.Context
docker builder.Backend
idMapping idtools.IdentityMapping
disableCommit bool
@ -130,19 +129,18 @@ type Builder struct {
}
// newBuilder creates a new Dockerfile builder from an optional dockerfile and a Options.
func newBuilder(clientCtx context.Context, options builderOptions) (*Builder, error) {
func newBuilder(ctx context.Context, options builderOptions) (*Builder, error) {
config := options.Options
if config == nil {
config = new(types.ImageBuildOptions)
}
imageProber, err := newImageProber(clientCtx, options.Backend, config.CacheFrom, config.NoCache)
imageProber, err := newImageProber(ctx, options.Backend, config.CacheFrom, config.NoCache)
if err != nil {
return nil, err
}
b := &Builder{
clientCtx: clientCtx,
options: config,
Stdout: options.ProgressWriter.StdoutFormatter,
Stderr: options.ProgressWriter.StderrFormatter,
@ -150,7 +148,7 @@ func newBuilder(clientCtx context.Context, options builderOptions) (*Builder, er
Output: options.ProgressWriter.Output,
docker: options.Backend,
idMapping: options.IDMapping,
imageSources: newImageSources(clientCtx, options),
imageSources: newImageSources(options),
pathCache: options.PathCache,
imageProber: imageProber,
containerManager: newContainerManager(options.Backend),
@ -284,7 +282,7 @@ func (b *Builder) dispatchDockerfileWithCancellation(ctx context.Context, parseR
fmt.Fprintf(b.Stdout, " ---> %s\n", stringid.TruncateID(dispatchRequest.state.imageID))
for _, cmd := range stage.Commands {
select {
case <-b.clientCtx.Done():
case <-ctx.Done():
logrus.Debug("Builder: build cancelled!")
fmt.Fprint(b.Stdout, "Build cancelled\n")
buildsFailed.WithValues(metricsBuildCanceled).Inc()

19
builder/dockerfile/dispatchers.go
View file

@ -116,7 +116,7 @@ func dispatchCopy(ctx context.Context, d dispatchRequest, c *instructions.CopyCo
var im *imageMount
var err error
if c.From != "" {
im, err = d.getImageMount(c.From)
im, err = d.getImageMount(ctx, c.From)
if err != nil {
return errors.Wrapf(err, "invalid from flag value %s", c.From)
}
@ -134,7 +134,7 @@ func dispatchCopy(ctx context.Context, d dispatchRequest, c *instructions.CopyCo
return d.builder.performCopy(ctx, d, copyInstruction)
}
func (d *dispatchRequest) getImageMount(imageRefOrID string) (*imageMount, error) {
func (d *dispatchRequest) getImageMount(ctx context.Context, imageRefOrID string) (*imageMount, error) {
if imageRefOrID == "" {
// TODO: this could return the source in the default case as well?
return nil, nil
@ -149,7 +149,7 @@ func (d *dispatchRequest) getImageMount(imageRefOrID string) (*imageMount, error
imageRefOrID = stage.Image
localOnly = true
}
return d.builder.imageSources.Get(imageRefOrID, localOnly, d.builder.platform)
return d.builder.imageSources.Get(ctx, imageRefOrID, localOnly, d.builder.platform)
}
// FROM [--platform=platform] imagename[:tag | @digest] [AS build-stage-name]
@ -173,7 +173,7 @@ func initializeStage(ctx context.Context, d dispatchRequest, cmd *instructions.S
platform = &p
}
image, err := d.getFromImage(d.shlex, cmd.BaseName, platform)
image, err := d.getFromImage(ctx, d.shlex, cmd.BaseName, platform)
if err != nil {
return err
}
@ -233,7 +233,7 @@ func (d *dispatchRequest) getExpandedString(shlex *shell.Lex, str string) (strin
return name, nil
}
func (d *dispatchRequest) getImageOrStage(name string, platform *specs.Platform) (builder.Image, error) {
func (d *dispatchRequest) getImageOrStage(ctx context.Context, name string, platform *specs.Platform) (builder.Image, error) {
var localOnly bool
if im, ok := d.stages.getByName(name); ok {
name = im.Image
@ -260,13 +260,14 @@ func (d *dispatchRequest) getImageOrStage(name string, platform *specs.Platform)
}
return builder.Image(imageImage), nil
}
imageMount, err := d.builder.imageSources.Get(name, localOnly, platform)
imageMount, err := d.builder.imageSources.Get(ctx, name, localOnly, platform)
if err != nil {
return nil, err
}
return imageMount.Image(), nil
}
func (d *dispatchRequest) getFromImage(shlex *shell.Lex, basename string, platform *specs.Platform) (builder.Image, error) {
func (d *dispatchRequest) getFromImage(ctx context.Context, shlex *shell.Lex, basename string, platform *specs.Platform) (builder.Image, error) {
name, err := d.getExpandedString(shlex, basename)
if err != nil {
return nil, err
@ -277,7 +278,7 @@ func (d *dispatchRequest) getFromImage(shlex *shell.Lex, basename string, platfo
return nil, errors.Errorf("base name (%s) should not be blank", basename)
}
return d.getImageOrStage(name, platform)
return d.getImageOrStage(ctx, name, platform)
}
func dispatchOnbuild(ctx context.Context, d dispatchRequest, c *instructions.OnbuildCommand) error {
@ -369,7 +370,7 @@ func dispatchRun(ctx context.Context, d dispatchRequest, c *instructions.RunComm
return err
}
if err := d.builder.containerManager.Run(d.builder.clientCtx, cID, d.builder.Stdout, d.builder.Stderr); err != nil {
if err := d.builder.containerManager.Run(ctx, cID, d.builder.Stdout, d.builder.Stderr); err != nil {
if err, ok := err.(*statusCodeError); ok {
// TODO: change error type, because jsonmessage.JSONError assumes HTTP
msg := fmt.Sprintf(

3
builder/dockerfile/dispatchers_test.go
View file

@ -36,9 +36,8 @@ func newBuilderWithMockBackend(t *testing.T) *Builder {
options: opts,
docker: mockBackend,
Stdout: new(bytes.Buffer),
clientCtx: ctx,
disableCommit: true,
imageSources: newImageSources(ctx, builderOptions{
imageSources: newImageSources(builderOptions{
Options: opts,
Backend: mockBackend,
}),

10
builder/dockerfile/imagecontext.go
View file

@ -13,7 +13,7 @@ import (
"github.com/sirupsen/logrus"
)
type getAndMountFunc func(string, bool, *specs.Platform) (builder.Image, builder.ROLayer, error)
type getAndMountFunc func(context.Context, string, bool, *specs.Platform) (builder.Image, builder.ROLayer, error)
// imageSources mounts images and provides a cache for mounted images. It tracks
// all images so they can be unmounted at the end of the build.
@ -23,8 +23,8 @@ type imageSources struct {
getImage getAndMountFunc
}
func newImageSources(ctx context.Context, options builderOptions) *imageSources {
getAndMount := func(idOrRef string, localOnly bool, platform *specs.Platform) (builder.Image, builder.ROLayer, error) {
func newImageSources(options builderOptions) *imageSources {
getAndMount := func(ctx context.Context, idOrRef string, localOnly bool, platform *specs.Platform) (builder.Image, builder.ROLayer, error) {
pullOption := backend.PullOptionNoPull
if !localOnly {
if options.Options.PullParent {
@ -47,12 +47,12 @@ func newImageSources(ctx context.Context, options builderOptions) *imageSources
}
}
func (m *imageSources) Get(idOrRef string, localOnly bool, platform *specs.Platform) (*imageMount, error) {
func (m *imageSources) Get(ctx context.Context, idOrRef string, localOnly bool, platform *specs.Platform) (*imageMount, error) {
if im, ok := m.byImageID[idOrRef]; ok {
return im, nil
}
image, layer, err := m.getImage(idOrRef, localOnly, platform)
image, layer, err := m.getImage(ctx, idOrRef, localOnly, platform)
if err != nil {
return nil, err
}

6
builder/dockerfile/imagecontext_test.go
View file

@ -1,6 +1,7 @@
package dockerfile // import "github.com/docker/docker/builder/dockerfile"
import (
"context"
"fmt"
"runtime"
"testing"
@ -16,7 +17,7 @@ func getMockImageSource(getImageImage builder.Image, getImageLayer builder.ROLay
return &imageSources{
byImageID: make(map[string]*imageMount),
mounts: []*imageMount{},
getImage: func(name string, localOnly bool, platform *ocispec.Platform) (builder.Image, builder.ROLayer, error) {
getImage: func(_ context.Context, name string, localOnly bool, platform *ocispec.Platform) (builder.Image, builder.ROLayer, error) {
return getImageImage, getImageLayer, getImageError
},
}
@ -100,7 +101,8 @@ func TestAddFromScratchPopulatesPlatformIfNil(t *testing.T) {
func TestImageSourceGetAddsToMounts(t *testing.T) {
is := getMockImageSource(nil, nil, nil)
_, err := is.Get("test", false, nil)
ctx := context.Background()
_, err := is.Get(ctx, "test", false, nil)
assert.NilError(t, err)
assert.Equal(t, len(is.mounts), 1)
}

2
builder/dockerfile/internals.go
View file

@ -127,7 +127,7 @@ func (b *Builder) performCopy(ctx context.Context, req dispatchRequest, inst cop
return err
}
imageMount, err := b.imageSources.Get(state.imageID, true, req.builder.platform)
imageMount, err := b.imageSources.Get(ctx, state.imageID, true, req.builder.platform)
if err != nil {
return errors.Wrapf(err, "failed to get destination image %q", state.imageID)
}

2
builder/dockerfile/internals_windows.go
View file

@ -90,7 +90,7 @@ func lookupNTAccount(ctx context.Context, builder *Builder, accountName string,
stdout := new(bytes.Buffer)
stderr := new(bytes.Buffer)
if err := builder.containerManager.Run(builder.clientCtx, container.ID, stdout, stderr); err != nil {
if err := builder.containerManager.Run(ctx, container.ID, stdout, stderr); err != nil {
if err, ok := err.(*statusCodeError); ok {
return idtools.Identity{}, &jsonmessage.JSONError{
Message: stderr.String(),