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

     1  /*
     2  Copyright 2019 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 buildpacks
    18  
    19  import (
    20  	"context"
    21  	"fmt"
    22  	"io"
    23  
    24  	v1 "github.com/opencontainers/image-spec/specs-go/v1"
    25  
    26  	"github.com/GoogleContainerTools/skaffold/pkg/skaffold/output/log"
    27  	"github.com/GoogleContainerTools/skaffold/pkg/skaffold/platform"
    28  	"github.com/GoogleContainerTools/skaffold/pkg/skaffold/schema/latest"
    29  )
    30  
    31  // Build builds an artifact with Cloud Native Buildpacks:
    32  // https://buildpacks.io/
    33  func (b *Builder) Build(ctx context.Context, out io.Writer, artifact *latest.Artifact, tag string, matcher platform.Matcher) (string, error) {
    34  	if matcher.IsMultiPlatform() {
    35  		// TODO: Implement building multiplatform images
    36  		log.Entry(ctx).Warnf("multiple target platforms %q found for artifact %q. Skaffold doesn't yet support multi-platform builds for the buildpacks builder. Consider specifying a single target platform explicitly. See https://skaffold.dev/docs/pipeline-stages/builders/#cross-platform-build-support", matcher.String(), artifact.ImageName)
    37  	}
    38  
    39  	built, err := b.build(ctx, out, artifact, tag)
    40  	if err != nil {
    41  		return "", err
    42  	}
    43  
    44  	if err := b.localDocker.Tag(ctx, built, tag); err != nil {
    45  		return "", fmt.Errorf("tagging %s->%q: %w", built, tag, err)
    46  	}
    47  
    48  	if b.pushImages {
    49  		return b.localDocker.Push(ctx, out, tag)
    50  	}
    51  	return b.localDocker.ImageID(ctx, tag)
    52  }
    53  
    54  func (b *Builder) SupportedPlatforms() platform.Matcher {
    55  	return platform.Matcher{Platforms: []v1.Platform{{OS: "linux", Architecture: "amd64"}}}
    56  }