How to use Image method of build Package

Best Syzkaller code snippet using build.Image

builder.go

Source:builder.go Github

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...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...

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pipeline_parameters.go

Source:pipeline_parameters.go Github

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...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}...

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backend.go

Source:backend.go Github

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...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}...

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Image

Using AI Code Generation

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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{

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Image

Using AI Code Generation

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

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Image

Using AI Code Generation

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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

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Image

Using AI Code Generation

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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}

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Image

Using AI Code Generation

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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}

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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", "

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Image

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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}

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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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