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ko-build/pkg/publish/options.go
cezkuj 1fcfe62a96 Reorder parsing KO_DOCKER_REPO to get proper credentials (#117)
Fixes #93

With this change we support also pointing to default registry (without prefix).
Eg. KO_DOCKER_REPO=myuser
2019-12-18 09:47:56 -08:00

95 lines
2.6 KiB
Go

// Copyright 2018 Google LLC All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package publish
import (
"log"
"net/http"
"github.com/google/go-containerregistry/pkg/authn"
"github.com/google/go-containerregistry/pkg/name"
)
// WithTransport is a functional option for overriding the default transport
// on a default publisher.
func WithTransport(t http.RoundTripper) Option {
return func(i *defaultOpener) error {
i.t = t
return nil
}
}
// WithAuth is a functional option for overriding the default authenticator
// on a default publisher.
func WithAuth(auth authn.Authenticator) Option {
return func(i *defaultOpener) error {
i.auth = auth
return nil
}
}
// WithAuthFromKeychain is a functional option for overriding the default
// authenticator on a default publisher using an authn.Keychain
func WithAuthFromKeychain(keys authn.Keychain) Option {
return func(i *defaultOpener) error {
// We parse this lazily because it is a repository prefix, which
// means that docker.io/mattmoor actually gets interpreted as
// docker.io/library/mattmoor, which gets tricky when we start
// appending things to it in the publisher.
repo, err := name.NewRepository(i.base)
if err != nil {
// Workaround for localhost:5000 as KO_DOCKER_REPO.
reg, err := name.NewRegistry(i.base)
if err != nil {
return err
}
repo = name.Repository{Registry: reg}
}
auth, err := keys.Resolve(repo.Registry)
if err != nil {
return err
}
if auth == authn.Anonymous {
log.Println("No matching credentials were found, falling back on anonymous")
}
i.auth = auth
return nil
}
}
// WithNamer is a functional option for overriding the image naming behavior
// in our default publisher.
func WithNamer(n Namer) Option {
return func(i *defaultOpener) error {
i.namer = n
return nil
}
}
// WithTags is a functional option for overriding the image tags
func WithTags(tags []string) Option {
return func(i *defaultOpener) error {
i.tags = tags
return nil
}
}
func Insecure(b bool) Option {
return func(i *defaultOpener) error {
i.insecure = b
return nil
}
}