packer-cn/post-processor/docker-push/post-processor.go

124 lines
3.0 KiB
Go

package dockerpush
import (
"fmt"
"github.com/mitchellh/packer/builder/docker"
"github.com/mitchellh/packer/common"
"github.com/mitchellh/packer/packer"
"github.com/mitchellh/packer/post-processor/docker-import"
"github.com/mitchellh/packer/post-processor/docker-tag"
"strings"
)
type Config struct {
common.PackerConfig `mapstructure:",squash"`
Login bool
LoginEmail string `mapstructure:"login_email"`
LoginUsername string `mapstructure:"login_username"`
LoginPassword string `mapstructure:"login_password"`
LoginServer string `mapstructure:"login_server"`
tpl *packer.ConfigTemplate
}
type PostProcessor struct {
Driver docker.Driver
config Config
}
func (p *PostProcessor) Configure(raws ...interface{}) error {
_, 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 := new(packer.MultiError)
// Process templates
templates := map[string]*string{
"login_email": &p.config.LoginEmail,
"login_username": &p.config.LoginUsername,
"login_password": &p.config.LoginPassword,
"login_server": &p.config.LoginServer,
}
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 len(errs.Errors) > 0 {
return errs
}
return nil
}
func (p *PostProcessor) PostProcess(ui packer.Ui, artifact packer.Artifact) (packer.Artifact, bool, error) {
if artifact.BuilderId() != dockerimport.BuilderId &&
artifact.BuilderId() != dockertag.BuilderId {
err := fmt.Errorf(
"Unknown artifact type: %s\nCan only import from docker-import and docker-tag artifacts.",
artifact.BuilderId())
return nil, false, err
}
driver := p.Driver
if driver == nil {
// If no driver is set, then we use the real driver
driver = &docker.DockerDriver{Tpl: p.config.tpl, Ui: ui}
}
if p.config.Login {
ui.Message("Logging in...")
err := driver.Login(
p.config.LoginServer,
p.config.LoginEmail,
p.config.LoginUsername,
p.config.LoginPassword)
if err != nil {
return nil, false, fmt.Errorf(
"Error logging in to Docker: %s", err)
}
defer func() {
ui.Message("Logging out...")
if err := driver.Logout(p.config.LoginServer); err != nil {
ui.Error(fmt.Sprintf("Error logging out: %s", err))
}
}()
}
// Get the name. We strip off any tags from the name because the
// push doesn't use those.
name := artifact.Id()
if i := strings.Index(name, "/"); i >= 0 {
// This should always be true because the / is required. But we have
// to get the index to this so we don't accidentally strip off the port
if j := strings.Index(name[i:], ":"); j >= 0 {
name = name[:i+j]
}
}
ui.Message("Pushing: " + name)
if err := driver.Push(name); err != nil {
return nil, false, err
}
return nil, false, nil
}