예제 #1
0
파일: cloudinit.go 프로젝트: rogpeppe/juju
// ComposeUserData fills out the provided cloudinit configuration structure
// so it is suitable for initialising a machine with the given configuration,
// and then renders it and returns it as a binary (gzipped) blob of user data.
//
// If the provided cloudcfg is nil, a new one will be created internally.
func ComposeUserData(mcfg *cloudinit.MachineConfig, cloudcfg *coreCloudinit.Config) ([]byte, error) {
	if cloudcfg == nil {
		cloudcfg = coreCloudinit.New()
	}
	if err := configureCloudinit(mcfg, cloudcfg); err != nil {
		return nil, err
	}
	data, err := cloudcfg.Render()
	logger.Tracef("Generated cloud init:\n%s", string(data))
	if err != nil {
		return nil, err
	}
	return utils.Gzip(data), nil
}