mirror of
https://github.com/ko-build/ko.git
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119 lines
4.1 KiB
Go
119 lines
4.1 KiB
Go
/*
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Copyright 2021 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 options
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import (
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"crypto/md5" //nolint: gosec // No strong cryptography needed.
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"encoding/hex"
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"os"
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"path"
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"github.com/google/ko/pkg/publish"
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"github.com/spf13/cobra"
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)
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// PublishOptions encapsulates options when publishing.
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type PublishOptions struct {
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// DockerRepo configures the destination image repository.
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// In normal ko usage, this is populated with the value of $KO_DOCKER_REPO.
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DockerRepo string
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// LocalDomain overrides the default domain for images loaded into the local Docker daemon. Use with Local=true.
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LocalDomain string
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Tags []string
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// TagOnly resolves images into tag-only references.
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TagOnly bool
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// Push publishes images to a registry.
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Push bool
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// Local publishes images to a local docker daemon.
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Local bool
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InsecureRegistry bool
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OCILayoutPath string
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TarballFile string
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// PreserveImportPaths preserves the full import path after KO_DOCKER_REPO.
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PreserveImportPaths bool
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// BaseImportPaths uses the base path without MD5 hash after KO_DOCKER_REPO.
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BaseImportPaths bool
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// Bare uses a tag on the KO_DOCKER_REPO without anything additional.
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Bare bool
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}
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func AddPublishArg(cmd *cobra.Command, po *PublishOptions) {
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// Set DockerRepo from the KO_DOCKER_REPO envionment variable.
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// See https://github.com/google/ko/pull/351 for flag discussion.
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if dockerRepo, exists := os.LookupEnv("KO_DOCKER_REPO"); exists {
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po.DockerRepo = dockerRepo
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}
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cmd.Flags().StringSliceVarP(&po.Tags, "tags", "t", []string{"latest"},
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"Which tags to use for the produced image instead of the default 'latest' tag "+
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"(may not work properly with --base-import-paths or --bare).")
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cmd.Flags().BoolVar(&po.TagOnly, "tag-only", false,
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"Include tags but not digests in resolved image references. Useful when digests are not preserved when images are repopulated.")
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cmd.Flags().BoolVar(&po.Push, "push", true, "Push images to KO_DOCKER_REPO")
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cmd.Flags().BoolVarP(&po.Local, "local", "L", po.Local,
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"Load into images to local docker daemon.")
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cmd.Flags().BoolVar(&po.InsecureRegistry, "insecure-registry", po.InsecureRegistry,
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"Whether to skip TLS verification on the registry")
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cmd.Flags().StringVar(&po.OCILayoutPath, "oci-layout-path", "", "Path to save the OCI image layout of the built images")
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cmd.Flags().StringVar(&po.TarballFile, "tarball", "", "File to save images tarballs")
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cmd.Flags().BoolVarP(&po.PreserveImportPaths, "preserve-import-paths", "P", po.PreserveImportPaths,
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"Whether to preserve the full import path after KO_DOCKER_REPO.")
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cmd.Flags().BoolVarP(&po.BaseImportPaths, "base-import-paths", "B", po.BaseImportPaths,
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"Whether to use the base path without MD5 hash after KO_DOCKER_REPO (may not work properly with --tags).")
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cmd.Flags().BoolVar(&po.Bare, "bare", po.Bare,
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"Whether to just use KO_DOCKER_REPO without additional context (may not work properly with --tags).")
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}
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func packageWithMD5(base, importpath string) string {
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hasher := md5.New() //nolint: gosec // No strong cryptography needed.
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hasher.Write([]byte(importpath))
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return path.Join(base, path.Base(importpath)+"-"+hex.EncodeToString(hasher.Sum(nil)))
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}
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func preserveImportPath(base, importpath string) string {
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return path.Join(base, importpath)
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}
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func baseImportPaths(base, importpath string) string {
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return path.Join(base, path.Base(importpath))
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}
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func bareDockerRepo(base, _ string) string {
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return base
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}
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func MakeNamer(po *PublishOptions) publish.Namer {
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if po.PreserveImportPaths {
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return preserveImportPath
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} else if po.BaseImportPaths {
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return baseImportPaths
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} else if po.Bare {
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return bareDockerRepo
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}
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return packageWithMD5
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}
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