func GenerateFullUpdate(version string, prod bool) error {
var variant string
if prod {
variant = "production"
} else {
variant = "developer"
}
var (
dir = sdk.BuildImageDir(version)
update_prefix = filepath.Join(dir, "coreos_"+variant+"_update")
update_bin = update_prefix + ".bin"
update_gz = update_prefix + ".gz"
update_xml = update_prefix + ".xml"
)
if err := checkUpdate(dir, update_xml); err == nil {
plog.Infof("Using update manifest: %s", update_xml)
return nil
}
plog.Noticef("Generating update payload: %s", update_gz)
if err := run("delta_generator",
"-new_image", update_bin,
"-out_file", update_gz,
"-private_key", privateKey); err != nil {
return err
}
plog.Infof("Writing update manifest: %s", update_xml)
update := omaha.Update{Id: sdk.GetDefaultAppId()}
pkg, err := update.AddPackageFromPath(update_gz)
// update engine needs the payload hash here in the action element
postinstall := update.AddAction("postinstall")
postinstall.Sha256 = pkg.Sha256
update.Version, err = sdk.GetVersionFromDir(dir)
if err != nil {
return err
}
return xmlMarshalFile(update_xml, &update)
}
func (u *updateServer) CheckUpdate(req *omaha.Request, app *omaha.AppRequest) (*omaha.Update, error) {
m := omaha.Manifest{}
pkgpath := filepath.Join(u.updatePath, u.payload)
pkg, err := m.AddPackageFromPath(pkgpath)
if err != nil {
plog.Errorf("Loading package %q failed: %v", pkgpath, err)
return nil, omaha.UpdateInternalError
}
act := m.AddAction("postinstall")
act.Sha256 = pkg.Sha256
update := &omaha.Update{
Id: sdk.GetDefaultAppId(),
URL: omaha.URL{
CodeBase: u.updatePath + "/",
},
Manifest: m,
}
return update, nil
}