woodpecker/pipeline/frontend/yaml/utils/image.go

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// Copyright 2023 Woodpecker Authors
//
// 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 utils
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import "github.com/distribution/reference"
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// trimImage returns the short image name without tag.
func trimImage(name string) string {
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ref, err := reference.ParseAnyReference(name)
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if err != nil {
return name
}
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named, err := reference.ParseNamed(ref.String())
if err != nil {
return name
}
named = reference.TrimNamed(named)
return reference.FamiliarName(named)
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}
// expandImage returns the fully qualified image name.
func expandImage(name string) string {
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ref, err := reference.ParseAnyReference(name)
if err != nil {
return name
}
named, err := reference.ParseNamed(ref.String())
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if err != nil {
return name
}
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named = reference.TagNameOnly(named)
return named.String()
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}
// MatchImage returns true if the image name matches
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// an image in the list. Note the image tag is not used
// in the matching logic.
func MatchImage(from string, to ...string) bool {
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from = trimImage(from)
for _, match := range to {
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if from == trimImage(match) {
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return true
}
}
return false
}
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// MatchHostname returns true if the image hostname
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// matches the specified hostname.
func MatchHostname(image, hostname string) bool {
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ref, err := reference.ParseAnyReference(image)
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if err != nil {
return false
}
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named, err := reference.ParseNamed(ref.String())
if err != nil {
return false
}
if hostname == "index.docker.io" {
hostname = "docker.io"
}
return reference.Domain(named) == hostname
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}