packer-cn/post-processor/shell-local/post-processor.go

63 lines
2.0 KiB
Go

package shell_local
import (
"context"
"github.com/hashicorp/hcl/v2/hcldec"
sl "github.com/hashicorp/packer/common/shell-local"
"github.com/hashicorp/packer/packer"
)
type PostProcessor struct {
config sl.Config
}
type ExecuteCommandTemplate struct {
Vars string
Script string
}
func (p *PostProcessor) ConfigSpec() hcldec.ObjectSpec { return p.config.FlatMapstructure().HCL2Spec() }
func (p *PostProcessor) Configure(raws ...interface{}) error {
err := sl.Decode(&p.config, raws...)
if err != nil {
return err
}
if len(p.config.ExecuteCommand) == 1 {
// Backwards compatibility -- before we merged the shell-local
// post-processor and provisioners, the post-processor accepted
// execute_command as a string rather than a slice of strings. It didn't
// have a configurable call to shell program, automatically prepending
// the user-supplied execute_command string with "sh -c". If users are
// still using the old way of defining ExecuteCommand (by supplying a
// single string rather than a slice of strings) then we need to
// prepend this command with the call that the post-processor defaulted
// to before.
p.config.ExecuteCommand = append([]string{"sh", "-c"}, p.config.ExecuteCommand...)
}
return sl.Validate(&p.config)
}
func (p *PostProcessor) PostProcess(ctx context.Context, ui packer.Ui, artifact packer.Artifact) (packer.Artifact, bool, bool, error) {
generatedData := make(map[string]interface{})
artifactStateData := artifact.State("generated_data")
if artifactStateData != nil {
for k, v := range artifactStateData.(map[interface{}]interface{}) {
generatedData[k.(string)] = v
}
}
success, retErr := sl.Run(ctx, ui, &p.config, generatedData)
if !success {
return nil, false, false, retErr
}
// Force shell-local pp to keep the input artifact, because otherwise we'll
// lose it instead of being able to pass it through. If you want to delete
// the input artifact for a shell local pp, use the artifice pp to create a
// new artifact
return artifact, true, true, retErr
}