Exemplo n.º 1
0
func (udc *UserDataConfig) validate() error {
	errors := []string{}

	for _, buffer := range udc.buffers {
		report, err := validate.Validate(buffer.Bytes())

		if err != nil {
			return fmt.Errorf("Cloud-config %s could not be parsed: %v",
				buffer.Name,
				err,
			)
		}

		for _, entry := range report.Entries() {
			errors = append(errors, fmt.Sprintf("%s: %+v", buffer.Name, entry))
		}

	}

	if len(errors) > 0 {
		reportString := strings.Join(errors, "\n")
		return fmt.Errorf("cloud-config validation errors:\n%s\n", reportString)
	}

	return nil
}
func TestCloudConfigTemplating(t *testing.T) {
	cluster, err := ClusterFromBytes([]byte(singleAzConfigYaml))
	if err != nil {
		t.Fatalf("Unable to load cluster config: %v", err)
	}
	assets, err := cluster.NewTLSAssets()
	if err != nil {
		t.Fatalf("Error generating default assets: %v", err)
	}

	cfg, err := cluster.Config()
	if err != nil {
		t.Fatalf("Failed to create config: %v", err)
	}

	compactAssets, err := assets.compact(cfg, &dummyEncryptService{})
	if err != nil {
		t.Fatalf("failed to compress TLS assets: %v", err)
	}

	cfg.TLSConfig = compactAssets

	for _, cloudTemplate := range []struct {
		Name     string
		Template []byte
	}{
		{
			Name:     "CloudConfigWorker",
			Template: CloudConfigWorker,
		},
		{
			Name:     "CloudConfigController",
			Template: CloudConfigController,
		},
	} {
		tmpl, err := template.New(cloudTemplate.Name).Parse(string(cloudTemplate.Template))
		if err != nil {
			t.Errorf("Error loading template %s : %v", cloudTemplate.Name, err)
			continue
		}

		var buf bytes.Buffer
		if err := tmpl.Execute(&buf, cfg); err != nil {
			t.Errorf("Error excuting template %s : %v", cloudTemplate.Name, err)
			continue
		}

		report, err := validate.Validate(buf.Bytes())

		if err != nil {
			t.Errorf("cloud-config %s could not be parsed: %v", cloudTemplate.Name, err)
			continue
		}

		for _, entry := range report.Entries() {
			t.Errorf("%s: %+v", cloudTemplate.Name, entry)
		}
	}
}
Exemplo n.º 3
0
func ValidateCloudConfig(config string) string {
	var errors bytes.Buffer
	errors.WriteString("\n")
	validationReport, _ := validate.Validate([]byte(config))
	for _, errorEntry := range validationReport.Entries() {
		errors.WriteString("#")
		errors.WriteString(errorEntry.String())
		errors.WriteString("\n")
	}
	return errors.String()
}
Exemplo n.º 4
0
func (c Cluster) ValidateUserData(opts StackTemplateOptions) error {
	stackConfig, err := c.stackConfig(opts, false)
	if err != nil {
		return err
	}

	errors := []string{}

	for _, userData := range []struct {
		Name    string
		Content string
	}{
		{
			Content: stackConfig.UserDataWorker,
			Name:    "UserDataWorker",
		},
		{
			Content: stackConfig.UserDataController,
			Name:    "UserDataController",
		},
	} {
		report, err := validate.Validate([]byte(userData.Content))

		if err != nil {
			errors = append(
				errors,
				fmt.Sprintf("cloud-config %s could not be parsed: %v",
					userData.Name,
					err,
				),
			)
			continue
		}

		for _, entry := range report.Entries() {
			errors = append(errors, fmt.Sprintf("%s: %+v", userData.Name, entry))
		}
	}

	if len(errors) > 0 {
		reportString := strings.Join(errors, "\n")
		return fmt.Errorf("cloud-config validation errors:\n%s\n", reportString)
	}

	return nil
}
func main() {
	failure := false

	// Conservative Go 1.5 upgrade strategy:
	// keep GOMAXPROCS' default at 1 for now.
	if os.Getenv("GOMAXPROCS") == "" {
		runtime.GOMAXPROCS(1)
	}

	flag.Parse()

	if c, ok := oemConfigs[flags.oem]; ok {
		for k, v := range c {
			flag.Set(k, v)
		}
	} else if flags.oem != "" {
		oems := make([]string, 0, len(oemConfigs))
		for k := range oemConfigs {
			oems = append(oems, k)
		}
		fmt.Printf("Invalid option to -oem: %q. Supported options: %q\n", flags.oem, oems)
		os.Exit(2)
	}

	if flags.printVersion == true {
		fmt.Printf("coreos-cloudinit %s\n", version)
		os.Exit(0)
	}

	switch flags.convertNetconf {
	case "":
	case "debian":
	case "digitalocean":
	case "packet":
	case "vmware":
	default:
		fmt.Printf("Invalid option to -convert-netconf: '%s'. Supported options: 'debian, digitalocean, packet, vmware'\n", flags.convertNetconf)
		os.Exit(2)
	}

	dss := getDatasources()
	if len(dss) == 0 {
		fmt.Println("Provide at least one of --from-file, --from-configdrive, --from-ec2-metadata, --from-cloudsigma-metadata, --from-packet-metadata, --from-digitalocean-metadata, --from-vmware-guestinfo, --from-waagent, --from-url or --from-proc-cmdline")
		os.Exit(2)
	}

	ds := selectDatasource(dss)
	if ds == nil {
		log.Println("No datasources available in time")
		os.Exit(1)
	}

	log.Printf("Fetching user-data from datasource of type %q\n", ds.Type())
	userdataBytes, err := ds.FetchUserdata()
	if err != nil {
		log.Printf("Failed fetching user-data from datasource: %v. Continuing...\n", err)
		failure = true
	}
	userdataBytes, err = decompressIfGzip(userdataBytes)
	if err != nil {
		log.Printf("Failed decompressing user-data from datasource: %v. Continuing...\n", err)
		failure = true
	}

	if report, err := validate.Validate(userdataBytes); err == nil {
		ret := 0
		for _, e := range report.Entries() {
			log.Println(e)
			ret = 1
		}
		if flags.validate {
			os.Exit(ret)
		}
	} else {
		log.Printf("Failed while validating user_data (%q)\n", err)
		if flags.validate {
			os.Exit(1)
		}
	}

	log.Printf("Fetching meta-data from datasource of type %q\n", ds.Type())
	metadata, err := ds.FetchMetadata()
	if err != nil {
		log.Printf("Failed fetching meta-data from datasource: %v\n", err)
		os.Exit(1)
	}

	// Apply environment to user-data
	env := initialize.NewEnvironment("/", ds.ConfigRoot(), flags.workspace, flags.sshKeyName, metadata)
	userdata := env.Apply(string(userdataBytes))

	var ccu *config.CloudConfig
	var script *config.Script
	switch ud, err := initialize.ParseUserData(userdata); err {
	case initialize.ErrIgnitionConfig:
		fmt.Printf("Detected an Ignition config. Exiting...")
		os.Exit(0)
	case nil:
		switch t := ud.(type) {
		case *config.CloudConfig:
			ccu = t
		case *config.Script:
			script = t
		}
	default:
		fmt.Printf("Failed to parse user-data: %v\nContinuing...\n", err)
		failure = true
	}

	log.Println("Merging cloud-config from meta-data and user-data")
	cc := mergeConfigs(ccu, metadata)

	var ifaces []network.InterfaceGenerator
	if flags.convertNetconf != "" {
		var err error
		switch flags.convertNetconf {
		case "debian":
			ifaces, err = network.ProcessDebianNetconf(metadata.NetworkConfig.([]byte))
		case "digitalocean":
			ifaces, err = network.ProcessDigitalOceanNetconf(metadata.NetworkConfig.(digitalocean.Metadata))
		case "packet":
			ifaces, err = network.ProcessPacketNetconf(metadata.NetworkConfig.(packet.NetworkData))
		case "vmware":
			ifaces, err = network.ProcessVMwareNetconf(metadata.NetworkConfig.(map[string]string))
		default:
			err = fmt.Errorf("Unsupported network config format %q", flags.convertNetconf)
		}
		if err != nil {
			log.Printf("Failed to generate interfaces: %v\n", err)
			os.Exit(1)
		}
	}

	if err = initialize.Apply(cc, ifaces, env); err != nil {
		log.Printf("Failed to apply cloud-config: %v\n", err)
		os.Exit(1)
	}

	if script != nil {
		if err = runScript(*script, env); err != nil {
			log.Printf("Failed to run script: %v\n", err)
			os.Exit(1)
		}
	}

	if failure && !flags.ignoreFailure {
		os.Exit(1)
	}
}
func main() {
	failure := false

	flag.Parse()

	if c, ok := oemConfigs[flags.oem]; ok {
		for k, v := range c {
			flag.Set(k, v)
		}
	} else if flags.oem != "" {
		oems := make([]string, 0, len(oemConfigs))
		for k := range oemConfigs {
			oems = append(oems, k)
		}
		fmt.Printf("Invalid option to --oem: %q. Supported options: %q\n", flags.oem, oems)
		os.Exit(2)
	}

	if flags.printVersion == true {
		fmt.Printf("coreos-cloudinit version %s\n", version)
		os.Exit(0)
	}

	switch flags.convertNetconf {
	case "":
	case "debian":
	case "digitalocean":
	default:
		fmt.Printf("Invalid option to -convert-netconf: '%s'. Supported options: 'debian, digitalocean'\n", flags.convertNetconf)
		os.Exit(2)
	}

	dss := getDatasources()
	if len(dss) == 0 {
		fmt.Println("Provide at least one of --from-file, --from-configdrive, --from-ec2-metadata, --from-cloudsigma-metadata, --from-url or --from-proc-cmdline")
		os.Exit(2)
	}

	ds := selectDatasource(dss)
	if ds == nil {
		fmt.Println("No datasources available in time")
		os.Exit(1)
	}

	fmt.Printf("Fetching user-data from datasource of type %q\n", ds.Type())
	userdataBytes, err := ds.FetchUserdata()
	if err != nil {
		fmt.Printf("Failed fetching user-data from datasource: %v\nContinuing...\n", err)
		failure = true
	}

	if report, err := validate.Validate(userdataBytes); err == nil {
		ret := 0
		for _, e := range report.Entries() {
			fmt.Println(e)
			ret = 1
		}
		if flags.validate {
			os.Exit(ret)
		}
	} else {
		fmt.Printf("Failed while validating user_data (%q)\n", err)
		if flags.validate {
			os.Exit(1)
		}
	}

	fmt.Printf("Fetching meta-data from datasource of type %q\n", ds.Type())
	metadata, err := ds.FetchMetadata()
	if err != nil {
		fmt.Printf("Failed fetching meta-data from datasource: %v\n", err)
		os.Exit(1)
	}

	// Apply environment to user-data
	env := initialize.NewEnvironment("/", ds.ConfigRoot(), flags.workspace, flags.sshKeyName, metadata)
	userdata := env.Apply(string(userdataBytes))

	var ccu *config.CloudConfig
	var script *config.Script
	if ud, err := initialize.ParseUserData(userdata); err != nil {
		fmt.Printf("Failed to parse user-data: %v\nContinuing...\n", err)
		failure = true
	} else {
		switch t := ud.(type) {
		case *config.CloudConfig:
			ccu = t
		case *config.Script:
			script = t
		}
	}

	fmt.Println("Merging cloud-config from meta-data and user-data")
	cc := mergeConfigs(ccu, metadata)

	var ifaces []network.InterfaceGenerator
	if flags.convertNetconf != "" {
		var err error
		switch flags.convertNetconf {
		case "debian":
			ifaces, err = network.ProcessDebianNetconf(metadata.NetworkConfig)
		case "digitalocean":
			ifaces, err = network.ProcessDigitalOceanNetconf(metadata.NetworkConfig)
		default:
			err = fmt.Errorf("Unsupported network config format %q", flags.convertNetconf)
		}
		if err != nil {
			fmt.Printf("Failed to generate interfaces: %v\n", err)
			os.Exit(1)
		}
	}

	if err = initialize.Apply(cc, ifaces, env); err != nil {
		fmt.Printf("Failed to apply cloud-config: %v\n", err)
		os.Exit(1)
	}

	if script != nil {
		if err = runScript(*script, env); err != nil {
			fmt.Printf("Failed to run script: %v\n", err)
			os.Exit(1)
		}
	}

	if failure && !flags.ignoreFailure {
		os.Exit(1)
	}
}