forked from LaconicNetwork/kompose
98 lines
2.3 KiB
Go
98 lines
2.3 KiB
Go
//
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// Copyright (C) 2015-2017 Thomas LE ROUX <thomas@leroux.io>
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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 dockerparser
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import (
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"strings"
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"github.com/novln/docker-parser/docker"
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)
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// Reference is an opaque object that include identifier such as a name, tag, repository, registry, etc...
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type Reference struct {
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named docker.Named
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tag string
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}
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// Name returns the image's name. (ie: debian[:8.2])
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func (r Reference) Name() string {
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return r.named.RemoteName() + r.tag
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}
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// ShortName returns the image's name (ie: debian)
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func (r Reference) ShortName() string {
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return r.named.RemoteName()
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}
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// Tag returns the image's tag (or digest).
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func (r Reference) Tag() string {
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if len(r.tag) > 1 {
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return r.tag[1:]
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}
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return ""
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}
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// Registry returns the image's registry. (ie: host[:port])
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func (r Reference) Registry() string {
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return r.named.Hostname()
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}
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// Repository returns the image's repository. (ie: registry/name)
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func (r Reference) Repository() string {
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return r.named.FullName()
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}
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// Remote returns the image's remote identifier. (ie: registry/name[:tag])
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func (r Reference) Remote() string {
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return r.named.FullName() + r.tag
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}
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func clean(url string) string {
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s := url
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if strings.HasPrefix(url, "http://") {
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s = strings.Replace(url, "http://", "", 1)
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} else if strings.HasPrefix(url, "https://") {
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s = strings.Replace(url, "https://", "", 1)
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}
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return s
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}
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// Parse returns a Reference from analyzing the given remote identifier.
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func Parse(remote string) (*Reference, error) {
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n, err := docker.ParseNamed(clean(remote))
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if err != nil {
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return nil, err
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}
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n = docker.WithDefaultTag(n)
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var t string
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switch x := n.(type) {
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case docker.Canonical:
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t = "@" + x.Digest().String()
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case docker.NamedTagged:
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t = ":" + x.Tag()
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}
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return &Reference{named: n, tag: t}, nil
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}
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