Example #1
0
// handleShadow takes a /etc/shadow style file and returns a cloud-config
func handleShadow(contents string, scripts_dir string) (*initialize.CloudConfig, error) {
	config := initialize.CloudConfig{}
	passwd := contents

	// root:$1$NyBnu0Gl$GBoj9u6lx3R8nyqHuxPwz/:15839:0:::::
	re := regexp.MustCompile("root:([^:]+):.+\n")
	keys := re.FindStringSubmatch(passwd)
	if len(keys) == 2 {
		passwd_hash := keys[1]

		// set the password for both users
		root := system.User{
			Name:         "root",
			PasswordHash: passwd_hash,
		}
		config.Users = append(config.Users, root)
		core := system.User{
			Name:         "core",
			PasswordHash: passwd_hash,
		}
		config.Users = append(config.Users, core)
	} else {
		return nil, errors.New("unable to parse password hash from shadow")
	}
	return &config, nil
}
Example #2
0
func runConfig(config *initialize.CloudConfig) error {
	f, err := ioutil.TempFile("", "rackspace-cloudinit-")
	if err != nil {
		return err
	}
	log.Println("writing to:", f.Name())
	_, err = f.WriteString(config.String())
	if err != nil {
		return err
	}
	// systemd-run coreos-cloudinit --file f.Name()
	props := []dbus.Property{
		dbus.PropDescription("Unit generated and executed by coreos-cloudinit on behalf of user"),
		dbus.PropExecStart([]string{"/usr/bin/coreos-cloudinit", "--from-file", f.Name()}, false),
	}

	tmp_file := filepath.Base(f.Name())
	name := fmt.Sprintf("%s.service", tmp_file)
	log.Printf("Creating transient systemd unit '%s'", name)

	conn, err := dbus.New()
	if err != nil {
		return err
	}
	_, err = conn.StartTransientUnit(name, "replace", props...)
	return err
}
Example #3
0
// handlHostname takes a gentoo style /etc/conf.d/hostname and returns a cloud-config
func handleHostname(contents string, scripts_dir string) (*initialize.CloudConfig, error) {
	config := initialize.CloudConfig{}
	hostname := contents
	// HOSTNAME="polvi-test"
	re := regexp.MustCompile("HOSTNAME=\"(.+)\"")
	keys := re.FindStringSubmatch(hostname)
	if len(keys) == 2 {
		hostname := keys[1]

		config.Hostname = hostname
	}

	return &config, nil
}
Example #4
0
// setKey core and root users authorized_keys to the passed key
func setKey(config *initialize.CloudConfig, key string) *initialize.CloudConfig {
	config.SSHAuthorizedKeys = append(config.SSHAuthorizedKeys, key)
	// set the password for both users
	if len(config.Users) == 0 {
		root := system.User{
			Name: "root",
		}
		root.SSHAuthorizedKeys = append(root.SSHAuthorizedKeys, key)
		config.Users = append(config.Users, root)
	} else {
		config.Users[0].SSHAuthorizedKeys = append(config.Users[0].SSHAuthorizedKeys, key)
	}
	return config
}