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2ba8bb26d1
This change adds a `WorkingDirectory` field to `options.BuildOptions`, but doesn't expose this as a CLI flag. The default zero value means the current working directory. The value is used as the directory for executing `go` tool commands. When embedding ko in other tools, it is sometimes necessary to set the working directory for executing the `go` tool, instead of assuming the current process working directory. An example of where this is required from Skaffold: https://github.com/GoogleContainerTools/skaffold/tree/master/examples/microservices In this example, the working directory doesn't contain either `go.mod` or any Go files. The `skaffold.yaml` configuration file specifies a `context` field for each image, which is the directory where the `go` tool can find package information.
100 lines
2.7 KiB
Go
100 lines
2.7 KiB
Go
/*
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Copyright 2018 Google LLC All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package testing
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import (
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"context"
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"errors"
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"fmt"
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"strings"
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"github.com/google/go-containerregistry/pkg/name"
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v1 "github.com/google/go-containerregistry/pkg/v1"
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"github.com/google/ko/pkg/build"
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"github.com/google/ko/pkg/publish"
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)
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type fixedBuild struct {
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entries map[string]build.Result
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}
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// NewFixedBuild returns a build.Interface implementation that simply resolves
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// particular references to fixed v1.Image objects
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func NewFixedBuild(entries map[string]build.Result) build.Interface {
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return &fixedBuild{entries}
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}
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// QualifyImport implements build.Interface
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func (f *fixedBuild) QualifyImport(ip string) (string, error) {
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return ip, nil
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}
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// IsSupportedReference implements build.Interface
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func (f *fixedBuild) IsSupportedReference(s string) error {
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s = strings.TrimPrefix(s, build.StrictScheme)
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if _, ok := f.entries[s]; !ok {
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return errors.New("importpath is not supported")
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}
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return nil
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}
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// Build implements build.Interface
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func (f *fixedBuild) Build(_ context.Context, s string) (build.Result, error) {
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s = strings.TrimPrefix(s, build.StrictScheme)
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if img, ok := f.entries[s]; ok {
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return img, nil
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}
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return nil, fmt.Errorf("unsupported reference: %q", s)
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}
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type fixedPublish struct {
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base name.Repository
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entries map[string]v1.Hash
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}
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// NewFixedPublish returns a publish.Interface implementation that simply
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// resolves particular references to fixed name.Digest references.
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func NewFixedPublish(base name.Repository, entries map[string]v1.Hash) publish.Interface {
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return &fixedPublish{base, entries}
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}
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// Publish implements publish.Interface
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func (f *fixedPublish) Publish(_ context.Context, _ build.Result, s string) (name.Reference, error) {
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s = strings.TrimPrefix(s, build.StrictScheme)
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h, ok := f.entries[s]
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if !ok {
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return nil, fmt.Errorf("unsupported importpath: %q", s)
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}
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d, err := name.NewDigest(fmt.Sprintf("%s/%s@%s", f.base, s, h))
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if err != nil {
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return nil, err
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}
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return &d, nil
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}
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func (f *fixedPublish) Close() error {
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return nil
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}
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func ComputeDigest(base name.Repository, ref string, h v1.Hash) string {
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d, err := name.NewDigest(fmt.Sprintf("%s/%s@%s", base, ref, h))
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if err != nil {
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panic(err)
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}
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return d.String()
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}
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