How to use Image method of build Package

Best Syzkaller code snippet using build.Image

builder.go

Source:builder.go

...45}46// Builder is a Dockerfile builder47// It implements the builder.Backend interface.48type Builder struct {49	options *types.ImageBuildOptions50	Stdout io.Writer51	Stderr io.Writer52	Output io.Writer53	docker    builder.Backend54	context   builder.Context55	clientCtx context.Context56	cancel    context.CancelFunc57	dockerfile       *parser.Node58	runConfig        *container.Config // runconfig for cmd, run, entrypoint etc.59	flags            *BFlags60	tmpContainers    map[string]struct{}61	image            string // imageID62	noBaseImage      bool63	maintainer       string64	cmdSet           bool65	disableCommit    bool66	cacheBusted      bool67	allowedBuildArgs map[string]bool // list of build-time args that are allowed for expansion/substitution and passing to commands in 'run'.68	directive        parser.Directive69	// TODO: remove once docker.Commit can receive a tag70	id string71	imageCache builder.ImageCache72	from       builder.Image73}74// BuildManager implements builder.Backend and is shared across all Builder objects.75type BuildManager struct {76	backend builder.Backend77}78// NewBuildManager creates a BuildManager.79func NewBuildManager(b builder.Backend) (bm *BuildManager) {80	return &BuildManager{backend: b}81}82// BuildFromContext builds a new image from a given context.83func (bm *BuildManager) BuildFromContext(ctx context.Context, src io.ReadCloser, remote string, buildOptions *types.ImageBuildOptions, pg backend.ProgressWriter) (string, error) {84	if buildOptions.Squash && !bm.backend.HasExperimental() {85		return "", apierrors.NewBadRequestError(errors.New("squash is only supported with experimental mode"))86	}87	buildContext, dockerfileName, err := builder.DetectContextFromRemoteURL(src, remote, pg.ProgressReaderFunc)88	if err != nil {89		return "", err90	}91	defer func() {92		if err := buildContext.Close(); err != nil {93			logrus.Debugf("[BUILDER] failed to remove temporary context: %v", err)94		}95	}()96	if len(dockerfileName) > 0 {97		buildOptions.Dockerfile = dockerfileName98	}99	b, err := NewBuilder(ctx, buildOptions, bm.backend, builder.DockerIgnoreContext{ModifiableContext: buildContext}, nil)100	if err != nil {101		return "", err102	}103	return b.build(pg.StdoutFormatter, pg.StderrFormatter, pg.Output)104}105// NewBuilder creates a new Dockerfile builder from an optional dockerfile and a Config.106// If dockerfile is nil, the Dockerfile specified by Config.DockerfileName,107// will be read from the Context passed to Build().108func NewBuilder(clientCtx context.Context, config *types.ImageBuildOptions, backend builder.Backend, buildContext builder.Context, dockerfile io.ReadCloser) (b *Builder, err error) {109	if config == nil {110		config = new(types.ImageBuildOptions)111	}112	if config.BuildArgs == nil {113		config.BuildArgs = make(map[string]*string)114	}115	ctx, cancel := context.WithCancel(clientCtx)116	b = &Builder{117		clientCtx:        ctx,118		cancel:           cancel,119		options:          config,120		Stdout:           os.Stdout,121		Stderr:           os.Stderr,122		docker:           backend,123		context:          buildContext,124		runConfig:        new(container.Config),125		tmpContainers:    map[string]struct{}{},126		id:               stringid.GenerateNonCryptoID(),127		allowedBuildArgs: make(map[string]bool),128		directive: parser.Directive{129			EscapeSeen:           false,130			LookingForDirectives: true,131		},132	}133	if icb, ok := backend.(builder.ImageCacheBuilder); ok {134		b.imageCache = icb.MakeImageCache(config.CacheFrom)135	}136	parser.SetEscapeToken(parser.DefaultEscapeToken, &b.directive) // Assume the default token for escape137	if dockerfile != nil {138		b.dockerfile, err = parser.Parse(dockerfile, &b.directive)139		if err != nil {140			return nil, err141		}142	}143	return b, nil144}145// sanitizeRepoAndTags parses the raw "t" parameter received from the client146// to a slice of repoAndTag.147// It also validates each repoName and tag.148func sanitizeRepoAndTags(names []string) ([]reference.Named, error) {149	var (150		repoAndTags []reference.Named151		// This map is used for deduplicating the "-t" parameter.152		uniqNames = make(map[string]struct{})153	)154	for _, repo := range names {155		if repo == "" {156			continue157		}158		ref, err := reference.ParseNamed(repo)159		if err != nil {160			return nil, err161		}162		ref = reference.WithDefaultTag(ref)163		if _, isCanonical := ref.(reference.Canonical); isCanonical {164			return nil, errors.New("build tag cannot contain a digest")165		}166		if _, isTagged := ref.(reference.NamedTagged); !isTagged {167			ref, err = reference.WithTag(ref, reference.DefaultTag)168			if err != nil {169				return nil, err170			}171		}172		nameWithTag := ref.String()173		if _, exists := uniqNames[nameWithTag]; !exists {174			uniqNames[nameWithTag] = struct{}{}175			repoAndTags = append(repoAndTags, ref)176		}177	}178	return repoAndTags, nil179}180// build runs the Dockerfile builder from a context and a docker object that allows to make calls181// to Docker.182//183// This will (barring errors):184//185// * read the dockerfile from context186// * parse the dockerfile if not already parsed187// * walk the AST and execute it by dispatching to handlers. If Remove188//   or ForceRemove is set, additional cleanup around containers happens after189//   processing.190// * Tag image, if applicable.191// * Print a happy message and return the image ID.192//193func (b *Builder) build(stdout io.Writer, stderr io.Writer, out io.Writer) (string, error) {194	b.Stdout = stdout195	b.Stderr = stderr196	b.Output = out197	// If Dockerfile was not parsed yet, extract it from the Context198	if b.dockerfile == nil {199		if err := b.readDockerfile(); err != nil {200			return "", err201		}202	}203	repoAndTags, err := sanitizeRepoAndTags(b.options.Tags)204	if err != nil {205		return "", err206	}207	if len(b.options.Labels) > 0 {208		line := "LABEL "209		for k, v := range b.options.Labels {210			line += fmt.Sprintf("%q='%s' ", k, v)211		}212		_, node, err := parser.ParseLine(line, &b.directive, false)213		if err != nil {214			return "", err215		}216		b.dockerfile.Children = append(b.dockerfile.Children, node)217	}218	var shortImgID string219	total := len(b.dockerfile.Children)220	for _, n := range b.dockerfile.Children {221		if err := b.checkDispatch(n, false); err != nil {222			return "", err223		}224	}225	for i, n := range b.dockerfile.Children {226		select {227		case <-b.clientCtx.Done():228			logrus.Debug("Builder: build cancelled!")229			fmt.Fprintf(b.Stdout, "Build cancelled")230			return "", fmt.Errorf("Build cancelled")231		default:232			// Not cancelled yet, keep going...233		}234		if err := b.dispatch(i, total, n); err != nil {235			if b.options.ForceRemove {236				b.clearTmp()237			}238			return "", err239		}240		shortImgID = stringid.TruncateID(b.image)241		fmt.Fprintf(b.Stdout, " ---> %s\n", shortImgID)242		if b.options.Remove {243			b.clearTmp()244		}245	}246	// check if there are any leftover build-args that were passed but not247	// consumed during build. Return a warning, if there are any.248	leftoverArgs := []string{}249	for arg := range b.options.BuildArgs {250		if !b.isBuildArgAllowed(arg) {251			leftoverArgs = append(leftoverArgs, arg)252		}253	}254	if len(leftoverArgs) > 0 {255		fmt.Fprintf(b.Stderr, "[Warning] One or more build-args %v were not consumed\n", leftoverArgs)256	}257	if b.image == "" {258		return "", fmt.Errorf("No image was generated. Is your Dockerfile empty?")259	}260	if b.options.Squash {261		var fromID string262		if b.from != nil {263			fromID = b.from.ImageID()264		}265		b.image, err = b.docker.SquashImage(b.image, fromID)266		if err != nil {267			return "", perrors.Wrap(err, "error squashing image")268		}269	}270	imageID := image.ID(b.image)271	for _, rt := range repoAndTags {272		if err := b.docker.TagImageWithReference(imageID, rt); err != nil {273			return "", err274		}275	}276	fmt.Fprintf(b.Stdout, "Successfully built %s\n", shortImgID)277	return b.image, nil278}279// Cancel cancels an ongoing Dockerfile build.280func (b *Builder) Cancel() {281	b.cancel()282}283// BuildFromConfig builds directly from `changes`, treating it as if it were the contents of a Dockerfile284// It will:285// - Call parse.Parse() to get an AST root for the concatenated Dockerfile entries.286// - Do build by calling builder.dispatch() to call all entries' handling routines...

pipeline_parameters.go

Source:pipeline_parameters.go

...44	// REQUIRED for "build" and "build-deploy" pipelines45	//46	// example: 4faca8595c5283a9d0f17a623b9255a0d9866a2e47	CommitID string `json:"commitID"`48	// PushImage should image be pushed to container registry. Defaults pushing49	//50	// example: true51	PushImage string `json:"pushImage"`52	// TriggeredBy of the job - if empty will use user token upn (user principle name)53	//54	// example: a_user@equinor.com55	TriggeredBy string `json:"triggeredBy,omitempty"`56	// ImageRepository of the component, without image name and image-tag57	//58	// example: ghcr.io/test59	ImageRepository string `json:"imageRepository,omitempty"`60	// ImageName of the component, without repository name and image-tag61	//62	// example: radix-component63	ImageName string `json:"imageName,omitempty"`64	// ImageTag of the image - if empty will use default logic65	//66	// example: master-latest67	ImageTag string `json:"imageTag,omitempty"`68}69// MapPipelineParametersBuildToJobParameter maps to JobParameter70func (buildParam PipelineParametersBuild) MapPipelineParametersBuildToJobParameter() *jobModels.JobParameters {71	return &jobModels.JobParameters{72		Branch:          buildParam.Branch,73		CommitID:        buildParam.CommitID,74		PushImage:       buildParam.PushImageToContainerRegistry(),75		TriggeredBy:     buildParam.TriggeredBy,76		ImageRepository: buildParam.ImageRepository,77		ImageName:       buildParam.ImageName,78		ImageTag:        buildParam.ImageTag,79	}80}81// PushImageToContainerRegistry Normalises the "PushImage" param from a string82func (buildParam PipelineParametersBuild) PushImageToContainerRegistry() bool {83	return !(buildParam.PushImage == "0" || buildParam.PushImage == "false")84}85// PipelineParametersDeploy describes environment to deploy86// swagger:model PipelineParametersDeploy87type PipelineParametersDeploy struct {88	// Name of environment to deploy89	// REQUIRED for "deploy" pipeline90	//91	// example: prod92	ToEnvironment string `json:"toEnvironment"`93	// TriggeredBy of the job - if empty will use user token upn (user principle name)94	//95	// example: a_user@equinor.com96	TriggeredBy string `json:"triggeredBy,omitempty"`97}...

backend.go

Source:backend.go

...13	"github.com/pkg/errors"14	"golang.org/x/sync/errgroup"15	"google.golang.org/grpc"16)17// ImageComponent provides an interface for working with images18type ImageComponent interface {19	SquashImage(from string, to string) (string, error)20	TagImageWithReference(image.ID, reference.Named) error21}22// Builder defines interface for running a build23type Builder interface {24	Build(context.Context, backend.BuildConfig) (*builder.Result, error)25}26// Backend provides build functionality to the API router27type Backend struct {28	builder        Builder29	fsCache        *fscache.FSCache30	imageComponent ImageComponent31	buildkit       *buildkit.Builder32}33// NewBackend creates a new build backend from components34func NewBackend(components ImageComponent, builder Builder, fsCache *fscache.FSCache, buildkit *buildkit.Builder) (*Backend, error) {35	return &Backend{imageComponent: components, builder: builder, fsCache: fsCache, buildkit: buildkit}, nil36}37// RegisterGRPC registers buildkit controller to the grpc server.38func (b *Backend) RegisterGRPC(s *grpc.Server) {39	if b.buildkit != nil {40		b.buildkit.RegisterGRPC(s)41	}42}43// Build builds an image from a Source44func (b *Backend) Build(ctx context.Context, config backend.BuildConfig) (string, error) {45	options := config.Options46	useBuildKit := options.Version == types.BuilderBuildKit47	tagger, err := NewTagger(b.imageComponent, config.ProgressWriter.StdoutFormatter, options.Tags)48	if err != nil {49		return "", err50	}51	var build *builder.Result52	if useBuildKit {53		build, err = b.buildkit.Build(ctx, config)54		if err != nil {55			return "", err56		}57	} else {58		build, err = b.builder.Build(ctx, config)59		if err != nil {60			return "", err61		}62	}63	if build == nil {64		return "", nil65	}66	var imageID = build.ImageID67	if options.Squash {68		if imageID, err = squashBuild(build, b.imageComponent); err != nil {69			return "", err70		}71		if config.ProgressWriter.AuxFormatter != nil {72			if err = config.ProgressWriter.AuxFormatter.Emit("moby.image.id", types.BuildResult{ID: imageID}); err != nil {73				return "", err74			}75		}76	}77	if !useBuildKit {78		stdout := config.ProgressWriter.StdoutFormatter79		fmt.Fprintf(stdout, "Successfully built %s\n", stringid.TruncateID(imageID))80	}81	if imageID != "" {82		err = tagger.TagImages(image.ID(imageID))83	}84	return imageID, err85}86// PruneCache removes all cached build sources87func (b *Backend) PruneCache(ctx context.Context, opts types.BuildCachePruneOptions) (*types.BuildCachePruneReport, error) {88	eg, ctx := errgroup.WithContext(ctx)89	var fsCacheSize uint6490	eg.Go(func() error {91		var err error92		fsCacheSize, err = b.fsCache.Prune(ctx)93		if err != nil {94			return errors.Wrap(err, "failed to prune fscache")95		}96		return nil97	})98	var buildCacheSize int6499	var cacheIDs []string100	eg.Go(func() error {101		var err error102		buildCacheSize, cacheIDs, err = b.buildkit.Prune(ctx, opts)103		if err != nil {104			return errors.Wrap(err, "failed to prune build cache")105		}106		return nil107	})108	if err := eg.Wait(); err != nil {109		return nil, err110	}111	return &types.BuildCachePruneReport{SpaceReclaimed: fsCacheSize + uint64(buildCacheSize), CachesDeleted: cacheIDs}, nil112}113// Cancel cancels the build by ID114func (b *Backend) Cancel(ctx context.Context, id string) error {115	return b.buildkit.Cancel(ctx, id)116}117func squashBuild(build *builder.Result, imageComponent ImageComponent) (string, error) {118	var fromID string119	if build.FromImage != nil {120		fromID = build.FromImage.ImageID()121	}122	imageID, err := imageComponent.SquashImage(build.ImageID, fromID)123	if err != nil {124		return "", errors.Wrap(err, "error squashing image")125	}126	return imageID, nil127}...

Image

Using AI Code Generation

1import (2func main() {3    wd, err := os.Getwd()4    if err != nil {5        fmt.Println(err)6        os.Exit(1)7    }8    path := filepath.Join(wd, "test.txt")9    f := fetcher.Fetcher{10    }11    if err := f.Fetch(path); err != nil {12        fmt.Println(err)13        os.Exit(1)14    }15    b := build.Build{16        Tags: []string{"tag1", "tag2"},17    }18    e := build.Event{19        Tags: []string{"tag1", "tag2"},20    }21    i := build.Image{22    }23    s := build.Step{24        Args: []string{"arg1", "arg2"},25        Env:  []string{"env1=env1", "env2=env2"},26    }27    s := build.Status{28    }29    t := build.Timeout{30    }31    l := build.Log{

Image

Using AI Code Generation

1import (2func main() {3 cli, err := client.NewEnvClient()4 if err != nil {5 panic(err)6 }

Image

Using AI Code Generation

1import (2func main() {3	img := image.NewRGBA(image.Rect(0, 0, 256, 256))4	c := color.RGBA{255, 255, 255, 255}5	draw.Draw(img, img.Bounds(), &image.Uniform{c}, image.ZP, draw.Src)6	f, err := os.Create("test.png")7	if err != nil {8		fmt.Println(err)9	}10	defer f.Close()11	err = png.Encode(f, img)12	if err != nil {13		fmt.Println(err)14	}15}16import (17func main() {18	img := image.NewRGBA(image.Rect(0, 0, 256, 256))19	c := color.RGBA{0, 0, 0, 255}20	draw.Draw(img, img.Bounds(), &image.Uniform{c}, image.ZP, draw.Src)21	f, err := os.Create("test.png")22	if err != nil {23		fmt.Println(err)24	}25	defer f.Close()26	err = png.Encode(f, img)27	if err != nil {28		fmt.Println(err)29	}30}31Recommended Posts: Go | Image() Method

Image

Using AI Code Generation

1import "fmt"2import "image"3import "image/color"4import "image/png"5import "os"6func main() {7    m := image.NewRGBA(image.Rect(0, 0, 100, 100))8    for i := 0; i < 100; i++ {9        for j := 0; j < 100; j++ {10            m.Set(i, j, color.RGBA{255, 0, 0, 255})11        }12    }13    f, _ := os.Create("out.png")14    defer f.Close()15    png.Encode(f, m)16}

Image

Using AI Code Generation

1import "fmt"2import "image"3import "image/color"4import "image/png"5import "image/jpeg"6import "os"7func main() {8    img := image.NewRGBA(image.Rect(0, 0, 256, 256))9    for x := 0; x < 256; x++ {10        for y := 0; y < 256; y++ {11            img.Set(x, y, color.RGBA{uint8(x), uint8(y), 255, 255})12        }13    }14    f, _ := os.OpenFile("image.png", os.O_WRONLY|os.O_CREATE, 0600)15    defer f.Close()16    png.Encode(f, img)17    f, _ = os.OpenFile("image.jpg", os.O_WRONLY|os.O_CREATE, 0600)18    defer f.Close()19    jpeg.Encode(f, img, &jpeg.Options{jpeg.DefaultQuality})20}

Image

Using AI Code Generation

1import (2func main() {3    dir, err := filepath.Abs(filepath.Dir(os.Args[0]))4    if err != nil {5        fmt.Println(err)6    }7    cmd := exec.Command("docker", "build", "-t", "goapp", dir)8    err = cmd.Run()9    if err != nil {10        fmt.Println(err)11    }12}13import (14func main() {15    cmd := exec.Command("docker", "run", "goapp")16    err := cmd.Run()17    if err != nil {18        fmt.Println(err)19    }20}21import (22func main() {23    cmd := exec.Command("docker", "build", "-t", "goapp", ".")24    err := cmd.Run()25    if err != nil {26        fmt.Println(err)27    }28    cmd = exec.Command("docker", "run", "goapp")29    err = cmd.Run()30    if err != nil {31        fmt.Println(err)32    }33}34import (35func main() {36    cmd := exec.Command("docker", "build", "-t", "goapp", ".")37    err := cmd.Run()38    if err != nil {39        fmt.Println(err)40    }41    cmd = exec.Command("docker", "

Image

Using AI Code Generation

1import java.io.File;2import java.io.IOException;3import javax.imageio.ImageIO;4import java.awt.image.BufferedImage;5public class Img {6    public static void main(String[] args) throws IOException {7        File input = new File("C:\\Users\\Siddharth\\Desktop\\img.jpg");8        BufferedImage image = ImageIO.read(input);9        int width = image.getWidth();10        int height = image.getHeight();11        for(int y = 0; y < height; y++){12            for(int x = 0; x < width; x++){13                int p = image.getRGB(x,y);14                int a = (p>>24)&0xff;15                int r = (p>>16)&0xff;16                int g = (p>>8)&0xff;17                int b = p&0xff;18                int avg = (r+g+b)/3;19                p = (a<<24) | (avg<<16) | (avg<<8) | avg;20                image.setRGB(x, y, p);21            }22        }23        File ouptut = new File("C:\\Users\\Siddharth\\Desktop\\img.jpg");24        ImageIO.write(image, "jpg", ouptut);25    }26}

Image

Using AI Code Generation

1import "fmt"2import "image"3func main() {4    fmt.Println(img)5}6import "fmt"7import "image"8type build struct {9}10func (b *build) ColorModel() color.Model {11}12func (b *build) Bounds() image.Rectangle {13    return image.Rect(0, 0, b.width, b.height)14}15func (b *build) At(x, y int) color.Color {16    return color.RGBA{uint8(x), uint8(y), 255, 255}17}18func main() {19    m := build{0, 0, 255, 100, 100}20    fmt.Println(m.At(0, 0).RGBA())21    fmt.Println(m.Bounds())22    fmt.Println(m.ColorModel())23}24&{{0 0 0} 0 0 0 0 0}

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