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// 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 name
const (
// DefaultRegistry is the registry name that will be used if no registry
// provided and the default is not overridden.
DefaultRegistry = "index.docker.io"
defaultRegistryAlias = "docker.io"
// DefaultTag is the tag name that will be used if no tag provided and the
// default is not overridden.
DefaultTag = "latest"
)
type options struct {
strict bool // weak by default
insecure bool // secure by default
defaultRegistry string
defaultTag string
}
func makeOptions(opts ...Option) options {
opt := options{
defaultRegistry: DefaultRegistry,
defaultTag: DefaultTag,
}
for _, o := range opts {
o(&opt)
}
return opt
}
// Option is a functional option for name parsing.
type Option func(*options)
// StrictValidation is an Option that requires image references to be fully
// specified; i.e. no defaulting for registry (dockerhub), repo (library),
// or tag (latest).
func StrictValidation(opts *options) {
opts.strict = true
}
// WeakValidation is an Option that sets defaults when parsing names, see
// StrictValidation.
func WeakValidation(opts *options) {
opts.strict = false
}
// Insecure is an Option that allows image references to be fetched without TLS.
func Insecure(opts *options) {
opts.insecure = true
}
// OptionFn is a function that returns an option.
type OptionFn func() Option
// WithDefaultRegistry sets the default registry that will be used if one is not
// provided.
func WithDefaultRegistry(r string) Option {
return func(opts *options) {
opts.defaultRegistry = r
}
}
// WithDefaultTag sets the default tag that will be used if one is not provided.
func WithDefaultTag(t string) Option {
return func(opts *options) {
opts.defaultTag = t
}
}
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