Golang app.ReferenceBuilder类代码示例

// AddDockerfile adds a Dockerfile passed in the command line to the reference
// builder.
func AddDockerfileToSourceRepositories(b *app.ReferenceBuilder, dockerfile string) error {
	_, repos, errs := b.Result()
	if err := kutilerrors.NewAggregate(errs); err != nil {
		return err
	}
	switch len(repos) {
	case 0:
		// Create a new SourceRepository with the Dockerfile.
		repo, err := app.NewSourceRepositoryForDockerfile(dockerfile)
		if err != nil {
			return fmt.Errorf("provided Dockerfile is not valid: %v", err)
		}
		b.AddExistingSourceRepository(repo)
	case 1:
		// Add the Dockerfile to the existing SourceRepository, so that
		// eventually we generate a single BuildConfig with multiple
		// sources.
		if err := repos[0].AddDockerfile(dockerfile); err != nil {
			return fmt.Errorf("provided Dockerfile is not valid: %v", err)
		}
	default:
		// Invalid.
		return errors.New("--dockerfile cannot be used with multiple source repositories")
	}
	return nil
}

// set up the components to be used by the reference builder
func (c *AppConfig) addReferenceBuilderComponents(b *app.ReferenceBuilder) {
	b.AddComponents(c.DockerImages, func(input *app.ComponentInput) app.ComponentReference {
		input.Argument = fmt.Sprintf("--docker-image=%q", input.From)
		input.Searcher = c.dockerSearcher
		if c.dockerSearcher != nil {
			input.Resolver = app.UniqueExactOrInexactMatchResolver{Searcher: c.dockerSearcher}
		}
		return input
	})
	b.AddComponents(c.ImageStreams, func(input *app.ComponentInput) app.ComponentReference {
		input.Argument = fmt.Sprintf("--image-stream=%q", input.From)
		input.Searcher = c.imageStreamSearcher
		if c.imageStreamSearcher != nil {
			input.Resolver = app.FirstMatchResolver{Searcher: c.imageStreamSearcher}
		}
		return input
	})
	b.AddComponents(c.Templates, func(input *app.ComponentInput) app.ComponentReference {
		input.Argument = fmt.Sprintf("--template=%q", input.From)
		input.Searcher = c.templateSearcher
		if c.templateSearcher != nil {
			input.Resolver = app.HighestScoreResolver{Searcher: c.templateSearcher}
		}
		return input
	})
	b.AddComponents(c.TemplateFiles, func(input *app.ComponentInput) app.ComponentReference {
		input.Argument = fmt.Sprintf("--file=%q", input.From)
		input.Searcher = c.templateFileSearcher
		if c.templateFileSearcher != nil {
			input.Resolver = app.FirstMatchResolver{Searcher: c.templateFileSearcher}
		}
		return input
	})
	b.AddComponents(c.Components, func(input *app.ComponentInput) app.ComponentReference {
		resolver := app.PerfectMatchWeightedResolver{}
		searcher := app.MultiWeightedSearcher{}
		if c.imageStreamSearcher != nil {
			resolver = append(resolver, app.WeightedResolver{Searcher: c.imageStreamSearcher, Weight: 0.0})
			searcher = append(searcher, app.WeightedSearcher{Searcher: c.imageStreamSearcher, Weight: 0.0})
		}
		if c.templateSearcher != nil {
			resolver = append(resolver, app.WeightedResolver{Searcher: c.templateSearcher, Weight: 0.0})
			searcher = append(searcher, app.WeightedSearcher{Searcher: c.templateSearcher, Weight: 0.0})
		}
		if c.templateFileSearcher != nil {
			resolver = append(resolver, app.WeightedResolver{Searcher: c.templateFileSearcher, Weight: 0.0})
		}
		if c.dockerSearcher != nil {
			resolver = append(resolver, app.WeightedResolver{Searcher: c.dockerSearcher, Weight: 2.0})
			searcher = append(searcher, app.WeightedSearcher{Searcher: c.dockerSearcher, Weight: 1.0})
		}
		input.Resolver = resolver
		input.Searcher = searcher
		return input
	})
}

// ComponentsForSourceRepositories creates components for repositories that have not been previously associated by a
// builder. These components have already gone through source code detection and have a SourceRepositoryInfo attached
// to them.
func AddMissingComponentsToRefBuilder(
	b *app.ReferenceBuilder, repositories app.SourceRepositories, dockerfileResolver, sourceResolver app.Resolver,
	g *GenerationInputs,
) (app.ComponentReferences, error) {
	errs := []error{}
	result := app.ComponentReferences{}
	for _, repo := range repositories {
		info := repo.Info()
		switch {
		case info == nil:
			errs = append(errs, fmt.Errorf("source not detected for repository %q", repo))
			continue

		case info.Dockerfile != nil && (len(g.Strategy) == 0 || g.Strategy == "docker"):
			node := info.Dockerfile.AST()
			baseImage := dockerfileutil.LastBaseImage(node)
			if baseImage == "" {
				errs = append(errs, fmt.Errorf("the Dockerfile in the repository %q has no FROM instruction", info.Path))
				continue
			}
			refs := b.AddComponents([]string{baseImage}, func(input *app.ComponentInput) app.ComponentReference {
				input.Resolver = dockerfileResolver
				input.Use(repo)
				input.ExpectToBuild = true
				repo.UsedBy(input)
				repo.BuildWithDocker()
				return input
			})
			result = append(result, refs...)

		default:
			// TODO: Add support for searching for more than one language if len(info.Types) > 1
			if len(info.Types) == 0 {
				errs = append(errs, fmt.Errorf("no language was detected for repository at %q; please specify a builder image to use with your repository: [builder-image]~%s", repo, repo))

				continue
			}
			refs := b.AddComponents([]string{info.Types[0].Term()}, func(input *app.ComponentInput) app.ComponentReference {
				input.Resolver = sourceResolver
				input.ExpectToBuild = true
				input.Use(repo)
				repo.UsedBy(input)
				return input
			})
			result = append(result, refs...)
		}
	}
	return result, errors.NewAggregate(errs)
}

// AddSourceRepositoriesToRefBuilder adds the provided repositories to the reference builder, identifies which
// should be built using Docker, and then returns the full list of source repositories.
func AddSourceRepositoriesToRefBuilder(b *app.ReferenceBuilder, repos []string, g *GenerationInputs) (app.SourceRepositories, error) {
	for _, s := range repos {
		if repo, ok := b.AddSourceRepository(s); ok {
			repo.SetContextDir(g.ContextDir)
			if g.Strategy == "docker" {
				repo.BuildWithDocker()
			}
		}
	}
	if len(g.Dockerfile) > 0 {
		if len(g.Strategy) != 0 && g.Strategy != "docker" {
			return nil, errors.New("when directly referencing a Dockerfile, the strategy must must be 'docker'")
		}
		if err := AddDockerfileToSourceRepositories(b, g.Dockerfile); err != nil {
			return nil, err
		}
	}
	_, result, errs := b.Result()
	return result, kutilerrors.NewAggregate(errs)
}

// set up the components to be used by the reference builder
func (c *AppConfig) addReferenceBuilderComponents(b *app.ReferenceBuilder) {
	b.AddComponents(c.DockerImages, func(input *app.ComponentInput) app.ComponentReference {
		input.Argument = fmt.Sprintf("--docker-image=%q", input.From)
		input.Searcher = c.dockerSearcher
		if c.dockerSearcher != nil {
			resolver := app.PerfectMatchWeightedResolver{}
			resolver = append(resolver, app.WeightedResolver{Searcher: c.dockerSearcher, Weight: 0.0})
			if c.AllowMissingImages {
				resolver = append(resolver, app.WeightedResolver{Searcher: app.MissingImageSearcher{}, Weight: 100.0})
			}
			input.Resolver = resolver
		}
		return input
	})
	b.AddComponents(c.ImageStreams, func(input *app.ComponentInput) app.ComponentReference {
		input.Argument = fmt.Sprintf("--image-stream=%q", input.From)
		input.Searcher = c.imageStreamSearcher
		if c.imageStreamSearcher != nil {
			input.Resolver = app.FirstMatchResolver{Searcher: c.imageStreamSearcher}
		}
		return input
	})
	b.AddComponents(c.Templates, func(input *app.ComponentInput) app.ComponentReference {
		input.Argument = fmt.Sprintf("--template=%q", input.From)
		input.Searcher = c.templateSearcher
		if c.templateSearcher != nil {
			input.Resolver = app.HighestScoreResolver{Searcher: c.templateSearcher}
		}
		return input
	})
	b.AddComponents(c.TemplateFiles, func(input *app.ComponentInput) app.ComponentReference {
		input.Argument = fmt.Sprintf("--file=%q", input.From)
		input.Searcher = c.templateFileSearcher
		if c.templateFileSearcher != nil {
			input.Resolver = app.FirstMatchResolver{Searcher: c.templateFileSearcher}
		}
		return input
	})
	b.AddComponents(c.Components, func(input *app.ComponentInput) app.ComponentReference {
		resolver := app.PerfectMatchWeightedResolver{}
		searcher := app.MultiWeightedSearcher{}
		if c.imageStreamSearcher != nil {
			resolver = append(resolver, app.WeightedResolver{Searcher: c.imageStreamSearcher, Weight: 0.0})
			searcher = append(searcher, app.WeightedSearcher{Searcher: c.imageStreamSearcher, Weight: 0.0})
		}
		if c.templateSearcher != nil {
			resolver = append(resolver, app.WeightedResolver{Searcher: c.templateSearcher, Weight: 0.0})
			searcher = append(searcher, app.WeightedSearcher{Searcher: c.templateSearcher, Weight: 0.0})
		}
		if c.templateFileSearcher != nil {
			resolver = append(resolver, app.WeightedResolver{Searcher: c.templateFileSearcher, Weight: 0.0})
		}
		if c.dockerSearcher != nil {
			resolver = append(resolver, app.WeightedResolver{Searcher: c.dockerSearcher, Weight: 2.0})
			searcher = append(searcher, app.WeightedSearcher{Searcher: c.dockerSearcher, Weight: 1.0})
		}
		if c.AllowMissingImages {
			resolver = append(resolver, app.WeightedResolver{Searcher: app.MissingImageSearcher{}, Weight: 100.0})
		}
		input.Resolver = resolver
		input.Searcher = searcher
		return input
	})

	_, repos, _ := b.Result()
	for _, repo := range repos {
		repo.SetContextDir(c.ContextDir)
	}
}

// AddComponentInputsToRefBuilder set up the components to be used by the reference builder.
func AddComponentInputsToRefBuilder(b *app.ReferenceBuilder, r *Resolvers, c *ComponentInputs, g *GenerationInputs) error {
	// lookup source repositories first (before processing the component inputs)
	repositories, err := AddSourceRepositoriesToRefBuilder(b, c.SourceRepositories, g)
	if err != nil {
		return err
	}

	// identify the types of the provided source locations
	if err := DetectSource(repositories, r.Detector, g); err != nil {
		return err
	}

	b.AddComponents(c.DockerImages, func(input *app.ComponentInput) app.ComponentReference {
		input.Argument = fmt.Sprintf("--docker-image=%q", input.From)
		input.Searcher = r.DockerSearcher
		if r.DockerSearcher != nil {
			resolver := app.PerfectMatchWeightedResolver{}
			resolver = append(resolver, app.WeightedResolver{Searcher: r.DockerSearcher, Weight: 0.0})
			if r.AllowMissingImages {
				resolver = append(resolver, app.WeightedResolver{Searcher: app.MissingImageSearcher{}, Weight: 100.0})
			}
			input.Resolver = resolver
		}
		return input
	})
	b.AddComponents(c.ImageStreams, func(input *app.ComponentInput) app.ComponentReference {
		input.Argument = fmt.Sprintf("--image-stream=%q", input.From)
		input.Searcher = r.ImageStreamSearcher
		if r.ImageStreamSearcher != nil {
			resolver := app.PerfectMatchWeightedResolver{
				app.WeightedResolver{Searcher: r.ImageStreamSearcher},
			}
			input.Resolver = resolver
		}
		return input
	})
	b.AddComponents(c.Templates, func(input *app.ComponentInput) app.ComponentReference {
		input.Argument = fmt.Sprintf("--template=%q", input.From)
		input.Searcher = r.TemplateSearcher
		if r.TemplateSearcher != nil {
			input.Resolver = app.HighestUniqueScoreResolver{Searcher: r.TemplateSearcher}
		}
		return input
	})
	b.AddComponents(c.TemplateFiles, func(input *app.ComponentInput) app.ComponentReference {
		input.Argument = fmt.Sprintf("--file=%q", input.From)
		if r.TemplateFileSearcher != nil {
			input.Resolver = app.FirstMatchResolver{Searcher: r.TemplateFileSearcher}
		}
		input.Searcher = r.TemplateFileSearcher
		return input
	})
	b.AddComponents(c.Components, func(input *app.ComponentInput) app.ComponentReference {
		resolver := app.PerfectMatchWeightedResolver{}
		searcher := app.MultiWeightedSearcher{}
		if r.ImageStreamSearcher != nil {
			resolver = append(resolver, app.WeightedResolver{Searcher: r.ImageStreamSearcher, Weight: 0.0})
			searcher = append(searcher, app.WeightedSearcher{Searcher: r.ImageStreamSearcher, Weight: 0.0})
		}
		if r.TemplateSearcher != nil && !input.ExpectToBuild {
			resolver = append(resolver, app.WeightedResolver{Searcher: r.TemplateSearcher, Weight: 0.0})
			searcher = append(searcher, app.WeightedSearcher{Searcher: r.TemplateSearcher, Weight: 0.0})
		}
		if r.TemplateFileSearcher != nil && !input.ExpectToBuild {
			resolver = append(resolver, app.WeightedResolver{Searcher: r.TemplateFileSearcher, Weight: 0.0})
		}
		if r.DockerSearcher != nil {
			resolver = append(resolver, app.WeightedResolver{Searcher: r.DockerSearcher, Weight: 2.0})
			searcher = append(searcher, app.WeightedSearcher{Searcher: r.DockerSearcher, Weight: 1.0})
		}
		if r.AllowMissingImages {
			resolver = append(resolver, app.WeightedResolver{Searcher: app.MissingImageSearcher{}, Weight: 100.0})
		}
		input.Resolver = resolver
		input.Searcher = searcher
		return input
	})
	b.AddGroups(c.Groups)

	return nil
}