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//go:generate mapstructure-to-hcl2 -type Config
package dockertag
import (
"context"
"fmt"
"github.com/hashicorp/hcl/v2/hcldec"
"github.com/hashicorp/packer/builder/docker"
"github.com/hashicorp/packer/packer-plugin-sdk/common"
packersdk "github.com/hashicorp/packer/packer-plugin-sdk/packer"
"github.com/hashicorp/packer/packer-plugin-sdk/template/config"
"github.com/hashicorp/packer/packer-plugin-sdk/template/interpolate"
dockerimport "github.com/hashicorp/packer/post-processor/docker-import"
)
const BuilderId = "packer.post-processor.docker-tag"
type Config struct {
common.PackerConfig `mapstructure:",squash"`
Repository string `mapstructure:"repository"`
// Kept for backwards compatability
Tag []string `mapstructure:"tag"`
Tags []string `mapstructure:"tags"`
Force bool
ctx interpolate.Context
}
type PostProcessor struct {
Driver docker.Driver
config Config
}
func (p *PostProcessor) ConfigSpec() hcldec.ObjectSpec { return p.config.FlatMapstructure().HCL2Spec() }
func (p *PostProcessor) Configure(raws ...interface{}) error {
err := config.Decode(&p.config, &config.DecodeOpts{
PluginType: BuilderId,
Interpolate: true,
InterpolateContext: &p.config.ctx,
InterpolateFilter: &interpolate.RenderFilter{
Exclude: []string{},
},
}, raws...)
if err != nil {
return err
}
// combine Tag and Tags fields
allTags := p.config.Tags
allTags = append(allTags, p.config.Tag...)
p.config.Tags = allTags
return nil
}
func (p *PostProcessor) PostProcess(ctx context.Context, ui packersdk.Ui, artifact packersdk.Artifact) (packersdk.Artifact, bool, bool, error) {
if len(p.config.Tag) > 0 {
ui.Say("Deprecation warning: \"tag\" option has been replaced with " +
"\"tags\". In future versions of Packer, this configuration may " +
"not work. Please call `packer fix` on your template to update.")
}
if artifact.BuilderId() != BuilderId &&
artifact.BuilderId() != dockerimport.BuilderId {
err := fmt.Errorf(
"Unknown artifact type: %s\nCan only tag from Docker builder artifacts.",
artifact.BuilderId())
return nil, false, true, err
}
driver := p.Driver
if driver == nil {
// If no driver is set, then we use the real driver
driver = &docker.DockerDriver{Ctx: &p.config.ctx, Ui: ui}
}
importRepo := p.config.Repository
var lastTaggedRepo = importRepo
RepoTags := []string{}
if len(p.config.Tags) > 0 {
for _, tag := range p.config.Tags {
local := importRepo + ":" + tag
ui.Message("Tagging image: " + artifact.Id())
ui.Message("Repository: " + local)
err := driver.TagImage(artifact.Id(), local, p.config.Force)
if err != nil {
return nil, false, true, err
}
RepoTags = append(RepoTags, local)
lastTaggedRepo = local
}
} else {
ui.Message("Tagging image: " + artifact.Id())
ui.Message("Repository: " + importRepo)
err := driver.TagImage(artifact.Id(), importRepo, p.config.Force)
if err != nil {
return nil, false, true, err
}
}
// Build the artifact
artifact = &docker.ImportArtifact{
BuilderIdValue: BuilderId,
Driver: driver,
IdValue: lastTaggedRepo,
StateData: map[string]interface{}{"docker_tags": RepoTags},
}
// If we tag an image and then delete it, there was no point in creating the
// tag. Override users to force us to always keep the input artifact.
return artifact, true, true, nil
}
|
