packer-cn/provisioner/breakpoint/provisioner.go

86 lines
1.8 KiB
Go

//go:generate mapstructure-to-hcl2 -type Config
package breakpoint
import (
"context"
"fmt"
"golang.org/x/sync/errgroup"
"github.com/hashicorp/hcl/v2/hcldec"
"github.com/hashicorp/packer/common"
"github.com/hashicorp/packer/helper/config"
"github.com/hashicorp/packer/packer"
"github.com/hashicorp/packer/template/interpolate"
)
type Config struct {
common.PackerConfig `mapstructure:",squash"`
Note string `mapstructure:"note"`
Disable bool `mapstructure:"disable"`
ctx interpolate.Context
}
type Provisioner struct {
config Config
}
func (p *Provisioner) ConfigSpec() hcldec.ObjectSpec { return p.config.FlatMapstructure().HCL2Spec() }
func (p *Provisioner) Prepare(raws ...interface{}) error {
err := config.Decode(&p.config, &config.DecodeOpts{
Interpolate: true,
InterpolateContext: &p.config.ctx,
InterpolateFilter: &interpolate.RenderFilter{
Exclude: []string{},
},
}, raws...)
if err != nil {
return err
}
return nil
}
func (p *Provisioner) Provision(ctx context.Context, ui packer.Ui, comm packer.Communicator, _ map[string]interface{}) error {
if p.config.Disable {
if p.config.Note != "" {
ui.Say(fmt.Sprintf(
"Breakpoint provisioner with note \"%s\" disabled; continuing...",
p.config.Note))
} else {
ui.Say("Breakpoint provisioner disabled; continuing...")
}
return nil
}
if p.config.Note != "" {
ui.Say(fmt.Sprintf("Pausing at breakpoint provisioner with note \"%s\".", p.config.Note))
} else {
ui.Say("Pausing at breakpoint provisioner.")
}
message := fmt.Sprintf(
"Press enter to continue.")
var g errgroup.Group
result := make(chan string, 1)
g.Go(func() error {
line, err := ui.Ask(message)
if err != nil {
return fmt.Errorf("Error asking for input: %s", err)
}
result <- line
return nil
})
if err := g.Wait(); err != nil {
return err
}
return nil
}