diff options
Diffstat (limited to 'pkg/name/options.go')
-rw-r--r-- | pkg/name/options.go | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/pkg/name/options.go b/pkg/name/options.go new file mode 100644 index 0000000..d14fedc --- /dev/null +++ b/pkg/name/options.go @@ -0,0 +1,83 @@ +// 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 + } +} |