packer-cn/provisioner/file/provisioner.go

93 lines
1.9 KiB
Go

package file
import (
"errors"
"fmt"
"github.com/mitchellh/packer/common"
"github.com/mitchellh/packer/packer"
"os"
)
type config struct {
common.PackerConfig `mapstructure:",squash"`
// The local path of the file to upload.
Source string
// The remote path where the local file will be uploaded to.
Destination string
tpl *packer.ConfigTemplate
}
type Provisioner struct {
config config
}
func (p *Provisioner) Prepare(raws ...interface{}) error {
md, err := common.DecodeConfig(&p.config, raws...)
if err != nil {
return err
}
p.config.tpl, err = packer.NewConfigTemplate()
if err != nil {
return err
}
p.config.tpl.UserVars = p.config.PackerUserVars
// Accumulate any errors
errs := common.CheckUnusedConfig(md)
templates := map[string]*string{
"source": &p.config.Source,
"destination": &p.config.Destination,
}
for n, ptr := range templates {
var err error
*ptr, err = p.config.tpl.Process(*ptr, nil)
if err != nil {
errs = packer.MultiErrorAppend(
errs, fmt.Errorf("Error processing %s: %s", n, err))
}
}
if _, err := os.Stat(p.config.Source); err != nil {
errs = packer.MultiErrorAppend(errs,
fmt.Errorf("Bad source '%s': %s", p.config.Source, err))
}
if p.config.Destination == "" {
errs = packer.MultiErrorAppend(errs,
errors.New("Destination must be specified."))
}
if errs != nil && len(errs.Errors) > 0 {
return errs
}
return nil
}
func (p *Provisioner) Provision(ui packer.Ui, comm packer.Communicator) error {
ui.Say(fmt.Sprintf("Uploading %s => %s", p.config.Source, p.config.Destination))
f, err := os.Open(p.config.Source)
if err != nil {
return err
}
defer f.Close()
err = comm.Upload(p.config.Destination, f)
if err != nil {
ui.Error(fmt.Sprintf("Upload failed: %s", err))
}
return err
}
func (p *Provisioner) Cancel() {
// Just hard quit. It isn't a big deal if what we're doing keeps
// running on the other side.
os.Exit(0)
}