68 lines
2.0 KiB
Go
68 lines
2.0 KiB
Go
/*
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Copyright 2018 Google LLC
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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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http://www.apache.org/licenses/LICENSE-2.0
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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 image
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import (
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img "github.com/GoogleCloudPlatform/container-diff/pkg/image"
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"github.com/containers/image/copy"
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"github.com/containers/image/docker"
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"github.com/containers/image/signature"
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"github.com/containers/image/transports/alltransports"
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"github.com/sirupsen/logrus"
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)
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// sourceImage is the image that will be modified by the executor
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// InitializeSourceImage initializes the source image with the base image
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func NewSourceImage(srcImg string) (*img.MutableSource, error) {
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logrus.Infof("Initializing source image %s", srcImg)
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ref, err := docker.ParseReference("//" + srcImg)
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if err != nil {
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return nil, err
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}
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return img.NewMutableSource(ref)
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}
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// PushImage pushes the final image
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func PushImage(ms *img.MutableSource, destImg string) error {
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srcRef := &img.ProxyReference{
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ImageReference: nil,
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Src: ms,
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}
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destRef, err := alltransports.ParseImageName("docker://" + destImg)
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if err != nil {
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return err
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}
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policyContext, err := getPolicyContext()
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if err != nil {
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return err
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}
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logrus.Infof("Pushing image to %s", destImg)
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return copy.Image(policyContext, destRef, srcRef, nil)
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}
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func getPolicyContext() (*signature.PolicyContext, error) {
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policyContext, err := signature.NewPolicyContext(&signature.Policy{
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Default: signature.PolicyRequirements{signature.NewPRInsecureAcceptAnything()},
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})
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if err != nil {
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logrus.Debugf("Error retrieving policy context: %s", err)
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return nil, err
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}
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return policyContext, nil
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}
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