packer-cn/provisioner/file/provisioner.go

95 lines
1.9 KiB
Go

package file
import (
"errors"
"fmt"
"os"
"github.com/mitchellh/packer/common"
"github.com/mitchellh/packer/helper/config"
"github.com/mitchellh/packer/packer"
"github.com/mitchellh/packer/template/interpolate"
)
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
ctx interpolate.Context
}
type Provisioner struct {
config Config
}
func (p *Provisioner) Prepare(raws ...interface{}) error {
err := config.Decode(&p.config, &config.DecodeOpts{
Interpolate: true,
InterpolateFilter: &interpolate.RenderFilter{
Exclude: []string{},
},
}, raws...)
if err != nil {
return err
}
var errs *packer.MultiError
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))
info, err := os.Stat(p.config.Source)
if err != nil {
return err
}
// If we're uploading a directory, short circuit and do that
if info.IsDir() {
return comm.UploadDir(p.config.Destination, p.config.Source, nil)
}
// We're uploading a file...
f, err := os.Open(p.config.Source)
if err != nil {
return err
}
defer f.Close()
fi, err := f.Stat()
if err != nil {
return err
}
err = comm.Upload(p.config.Destination, f, &fi)
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)
}