github.com/GoogleContainerTools/skaffold@v1.39.18/pkg/skaffold/initializer/build/util.go (about)

     1  /*
     2  Copyright 2020 The Skaffold Authors
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package build
    18  
    19  import (
    20  	"path/filepath"
    21  
    22  	"github.com/GoogleContainerTools/skaffold/pkg/skaffold/schema/latest"
    23  	tag "github.com/GoogleContainerTools/skaffold/pkg/skaffold/tag/util"
    24  )
    25  
    26  func matchBuildersToImages(builders []InitBuilder, images []string) ([]ArtifactInfo, []InitBuilder, []string) {
    27  	images = tag.StripTags(images, true)
    28  
    29  	var artifactInfos []ArtifactInfo
    30  	var unresolvedImages = make(sortedSet)
    31  	for _, image := range images {
    32  		builderIdx := findExactlyOneMatchingBuilder(builders, image)
    33  
    34  		// exactly one builder found for the image
    35  		if builderIdx != -1 {
    36  			// save the pair
    37  			artifactInfos = append(artifactInfos, ArtifactInfo{ImageName: image, Builder: builders[builderIdx]})
    38  			// remove matched builder from builderConfigs
    39  			builders = append(builders[:builderIdx], builders[builderIdx+1:]...)
    40  		} else {
    41  			// No definite pair found, add to images list
    42  			unresolvedImages.add(image)
    43  		}
    44  	}
    45  	return artifactInfos, builders, unresolvedImages.values()
    46  }
    47  
    48  func findExactlyOneMatchingBuilder(builderConfigs []InitBuilder, image string) int {
    49  	matchingConfigIndex := -1
    50  	for i, config := range builderConfigs {
    51  		if image != config.ConfiguredImage() {
    52  			continue
    53  		}
    54  		// Found more than one match;
    55  		if matchingConfigIndex != -1 {
    56  			return -1
    57  		}
    58  		matchingConfigIndex = i
    59  	}
    60  	return matchingConfigIndex
    61  }
    62  
    63  // Artifacts takes builder image pairs and workspaces and creates a list of latest.Artifacts from the data.
    64  func Artifacts(artifactInfos []ArtifactInfo) []*latest.Artifact {
    65  	var artifacts []*latest.Artifact
    66  
    67  	for _, info := range artifactInfos {
    68  		// Don't create artifact build config for "None" builder
    69  		if info.Builder.Name() == NoneBuilderName {
    70  			continue
    71  		}
    72  		workspace := info.Workspace
    73  		if workspace == "" {
    74  			workspace = filepath.Dir(info.Builder.Path())
    75  		}
    76  		artifact := &latest.Artifact{
    77  			ImageName:    info.ImageName,
    78  			ArtifactType: info.Builder.ArtifactType(workspace),
    79  		}
    80  
    81  		if workspace != "." {
    82  			// to make skaffold.yaml more portable across OS-es we should always generate /-delimited filepaths
    83  			artifact.Workspace = filepath.ToSlash(workspace)
    84  		}
    85  
    86  		artifacts = append(artifacts, artifact)
    87  	}
    88  
    89  	return artifacts
    90  }