func()

in container_images/registry-image-forked/types.go [250:305]

• 48 lines of code
• 11 McCabe index (conditional complexity)

func (ct *ContentTrust) PrepareConfigDir() (string, error) {
	configDir, err := ioutil.TempDir("", "notary-config")
	if err != nil {
		return "", err
	}

	configObj := make(map[string]string)
	configObj["server_url"] = ct.Server
	configObj["root_passphrase"] = ""
	configObj["repository_passphrase"] = ct.RepositoryPassphrase

	configData, err := json.Marshal(configObj)
	if err != nil {
		return "", err
	}

	err = ioutil.WriteFile(filepath.Join(configDir, "gcr-config.json"), configData, 0644)
	if err != nil {
		return "", err
	}

	u, err := url.Parse(ct.Server)
	if err != nil {
		return "", err
	}

	privateDir := filepath.Join(configDir, "trust", "private")
	err = os.MkdirAll(privateDir, os.ModePerm)
	if err != nil {
		return "", err
	}

	repoKey := fmt.Sprintf("%s.key", ct.RepositoryKeyID)
	err = ioutil.WriteFile(filepath.Join(privateDir, repoKey), []byte(ct.RepositoryKey), 0600)
	if err != nil {
		return "", err
	}

	if u.Host != "" {
		certDir := filepath.Join(configDir, "tls", u.Host)
		err = os.MkdirAll(certDir, os.ModePerm)
		if err != nil {
			return "", err
		}
		err = ioutil.WriteFile(filepath.Join(certDir, "client.cert"), []byte(ct.TLSCert), 0644)
		if err != nil {
			return "", err
		}
		err = ioutil.WriteFile(filepath.Join(certDir, "client.key"), []byte(ct.TLSKey), 0644)
		if err != nil {
			return "", err
		}
	}

	return configDir, nil
}