github.com/GoogleContainerTools/skaffold@v1.39.18/pkg/skaffold/initializer/build/init.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  	"fmt"
    21  	"io"
    22  
    23  	"github.com/GoogleContainerTools/skaffold/pkg/skaffold/initializer/errors"
    24  	"github.com/GoogleContainerTools/skaffold/pkg/skaffold/initializer/prompt"
    25  	"github.com/GoogleContainerTools/skaffold/pkg/skaffold/kubernetes/generator"
    26  	"github.com/GoogleContainerTools/skaffold/pkg/skaffold/schema/latest"
    27  	"github.com/GoogleContainerTools/skaffold/pkg/skaffold/schema/util"
    28  )
    29  
    30  type defaultBuildInitializer struct {
    31  	builders               []InitBuilder
    32  	artifactInfos          []ArtifactInfo
    33  	generatedArtifactInfos []GeneratedArtifactInfo
    34  	manifests              []*generator.Container
    35  	unresolvedImages       []string
    36  	skipBuild              bool
    37  	force                  bool
    38  	enableNewFormat        bool
    39  	resolveImages          bool
    40  }
    41  
    42  func (d *defaultBuildInitializer) ProcessImages(images []string) error {
    43  	if len(d.builders) == 0 {
    44  		return errors.NoBuilderErr{}
    45  	}
    46  	if d.skipBuild {
    47  		return nil
    48  	}
    49  
    50  	// if we're in `analyze` mode, we want to match if we can, but not resolve
    51  	d.matchBuildersToImages(images)
    52  	if d.resolveImages {
    53  		return d.resolveBuilderImages()
    54  	}
    55  	return nil
    56  }
    57  
    58  func (d *defaultBuildInitializer) BuildConfig() (latest.BuildConfig, []*latest.PortForwardResource) {
    59  	pf := []*latest.PortForwardResource{}
    60  
    61  	for _, manifestInfo := range d.manifests {
    62  		// Port value is set to 0 if user decides to not port forward service
    63  		if manifestInfo.Port != 0 {
    64  			pf = append(pf, &latest.PortForwardResource{
    65  				Type: "service",
    66  				Name: manifestInfo.Name,
    67  				Port: util.FromInt(manifestInfo.Port),
    68  			})
    69  		}
    70  	}
    71  
    72  	return latest.BuildConfig{
    73  		Artifacts: Artifacts(d.artifactInfos),
    74  	}, pf
    75  }
    76  
    77  func (d *defaultBuildInitializer) PrintAnalysis(out io.Writer) error {
    78  	return printAnalysis(out, d.enableNewFormat, d.skipBuild, d.artifactInfos, d.builders, d.unresolvedImages)
    79  }
    80  
    81  func (d *defaultBuildInitializer) GenerateManifests(out io.Writer, force, enableManifestGeneration bool) (map[GeneratedArtifactInfo][]byte, error) {
    82  	generatedManifests := map[GeneratedArtifactInfo][]byte{}
    83  	if !enableManifestGeneration {
    84  		return generatedManifests, nil
    85  	}
    86  
    87  	for _, info := range d.generatedArtifactInfos {
    88  		port := 8080
    89  		var err error
    90  		if !force {
    91  			port, err = prompt.PortForwardResourceFunc(out, info.ImageName)
    92  			if err != nil {
    93  				return nil, fmt.Errorf("getting port input: %w", err)
    94  			}
    95  		}
    96  
    97  		manifest, manifestInfo, err := generator.Generate(info.ImageName, port)
    98  		if err != nil {
    99  			return nil, fmt.Errorf("generating kubernetes manifest: %w", err)
   100  		}
   101  		generatedManifests[info] = manifest
   102  		d.manifests = append(d.manifests, manifestInfo)
   103  		d.artifactInfos = append(d.artifactInfos, info.ArtifactInfo)
   104  	}
   105  	d.generatedArtifactInfos = nil
   106  	return generatedManifests, nil
   107  }
   108  
   109  // matchBuildersToImages takes a list of builders and images, checks if any of the builders' configured target
   110  // images match an image in the image list, and returns a list of the matching builder/image pairs. Also
   111  // separately returns the builder configs and images that didn't have any matches.
   112  func (d *defaultBuildInitializer) matchBuildersToImages(images []string) {
   113  	artifactInfos, unresolvedBuilders, unresolvedImages := matchBuildersToImages(d.builders, images)
   114  	d.artifactInfos = artifactInfos
   115  	d.unresolvedImages = unresolvedImages
   116  	d.builders = unresolvedBuilders
   117  }