packer-cn/command/push.go

146 lines
3.0 KiB
Go

package command
import (
"flag"
"fmt"
"io"
"path/filepath"
"strings"
"github.com/hashicorp/harmony-go/archive"
"github.com/mitchellh/packer/packer"
)
// archiveTemplateEntry is the name the template always takes within the slug.
const archiveTemplateEntry = ".packer-template.json"
type PushCommand struct {
Meta
// For tests:
uploadFn func(io.Reader, *uploadOpts) (<-chan struct{}, <-chan error, error)
}
func (c *PushCommand) Run(args []string) int {
var token string
f := flag.NewFlagSet("push", flag.ContinueOnError)
f.Usage = func() { c.Ui.Error(c.Help()) }
f.StringVar(&token, "token", "", "token")
if err := f.Parse(args); err != nil {
return 1
}
args = f.Args()
if len(args) != 1 {
f.Usage()
return 1
}
// Read the template
tpl, err := packer.ParseTemplateFile(args[0], nil)
if err != nil {
c.Ui.Error(fmt.Sprintf("Failed to parse template: %s", err))
return 1
}
// Validate some things
if tpl.Push.Name == "" {
c.Ui.Error(fmt.Sprintf(
"The 'push' section must be specified in the template with\n" +
"at least the 'name' option set."))
return 1
}
// Build the archiving options
var opts archive.ArchiveOpts
opts.Include = tpl.Push.Include
opts.Exclude = tpl.Push.Exclude
opts.VCS = tpl.Push.VCS
opts.Extra = map[string]string{
archiveTemplateEntry: args[0],
}
// Determine the path we're archiving
path := tpl.Push.BaseDir
if path == "" {
path, err = filepath.Abs(args[0])
if err != nil {
c.Ui.Error(fmt.Sprintf("Error determining path to archive: %s", err))
return 1
}
path = filepath.Dir(path)
}
// Build the upload options
var uploadOpts uploadOpts
uploadOpts.Slug = tpl.Push.Name
uploadOpts.Token = token
// Start the archiving process
r, archiveErrCh, err := archive.Archive(path, &opts)
if err != nil {
c.Ui.Error(fmt.Sprintf("Error archiving: %s", err))
return 1
}
// Start the upload process
doneCh, uploadErrCh, err := c.upload(r, &uploadOpts)
if err != nil {
c.Ui.Error(fmt.Sprintf("Error starting upload: %s", err))
return 1
}
err = nil
select {
case err = <-archiveErrCh:
err = fmt.Errorf("Error archiving: %s", err)
case err = <-uploadErrCh:
err = fmt.Errorf("Error uploading: %s", err)
case <-doneCh:
}
if err != nil {
c.Ui.Error(err.Error())
return 1
}
return 0
}
func (*PushCommand) Help() string {
helpText := `
Usage: packer push [options] TEMPLATE
Push the template and the files it needs to a Packer build service.
This will not initiate any builds, it will only update the templates
used for builds.
Options:
-token=<token> Access token to use to upload. If blank, the
TODO environmental variable will be used.
`
return strings.TrimSpace(helpText)
}
func (*PushCommand) Synopsis() string {
return "push template files to a Packer build service"
}
func (c *PushCommand) upload(
r io.Reader, opts *uploadOpts) (<-chan struct{}, <-chan error, error) {
if c.uploadFn != nil {
return c.uploadFn(r, opts)
}
return nil, nil, nil
}
type uploadOpts struct {
URL string
Slug string
Token string
}