Golang rest.Config类代码示例

// NewClient returns a new client based on the passed in config. The
// codec is ignored, as the dynamic client uses it's own codec.
func NewClient(conf *rest.Config) (*Client, error) {
	// avoid changing the original config
	confCopy := *conf
	conf = &confCopy

	contentConfig := ContentConfig()
	contentConfig.GroupVersion = conf.GroupVersion
	if conf.NegotiatedSerializer != nil {
		contentConfig.NegotiatedSerializer = conf.NegotiatedSerializer
	}
	conf.ContentConfig = contentConfig

	if conf.APIPath == "" {
		conf.APIPath = "/api"
	}

	if len(conf.UserAgent) == 0 {
		conf.UserAgent = rest.DefaultKubernetesUserAgent()
	}

	cl, err := rest.RESTClientFor(conf)
	if err != nil {
		return nil, err
	}

	return &Client{cl: cl}, nil
}

// makeUserIdentificationFieldsConfig returns a client.Config capable of being merged using mergo for only server identification information
func makeServerIdentificationConfig(info clientauth.Info) rest.Config {
	config := rest.Config{}
	config.CAFile = info.CAFile
	if info.Insecure != nil {
		config.Insecure = *info.Insecure
	}
	return config
}

func setDiscoveryDefaults(config *rest.Config) error {
	config.APIPath = ""
	config.GroupVersion = nil
	codec := runtime.NoopEncoder{Decoder: api.Codecs.UniversalDecoder()}
	config.NegotiatedSerializer = serializer.NegotiatedSerializerWrapper(
		runtime.SerializerInfo{Serializer: codec},
		runtime.StreamSerializerInfo{},
	)
	if len(config.UserAgent) == 0 {
		config.UserAgent = rest.DefaultKubernetesUserAgent()
	}
	return nil
}

// New creates a new Kubernetes discovery for the given role.
func New(l log.Logger, conf *config.KubernetesSDConfig) (*Kubernetes, error) {
	var (
		kcfg *rest.Config
		err  error
	)
	if conf.APIServer.URL == nil {
		kcfg, err = rest.InClusterConfig()
		if err != nil {
			return nil, err
		}
	} else {
		token := conf.BearerToken
		if conf.BearerTokenFile != "" {
			bf, err := ioutil.ReadFile(conf.BearerTokenFile)
			if err != nil {
				return nil, err
			}
			token = string(bf)
		}

		kcfg = &rest.Config{
			Host:        conf.APIServer.String(),
			BearerToken: token,
			TLSClientConfig: rest.TLSClientConfig{
				CAFile: conf.TLSConfig.CAFile,
			},
		}
	}
	kcfg.UserAgent = "prometheus/discovery"

	if conf.BasicAuth != nil {
		kcfg.Username = conf.BasicAuth.Username
		kcfg.Password = conf.BasicAuth.Password
	}
	kcfg.TLSClientConfig.CertFile = conf.TLSConfig.CertFile
	kcfg.TLSClientConfig.KeyFile = conf.TLSConfig.KeyFile
	kcfg.Insecure = conf.TLSConfig.InsecureSkipVerify

	c, err := kubernetes.NewForConfig(kcfg)
	if err != nil {
		return nil, err
	}
	return &Kubernetes{
		client: c,
		logger: l,
		role:   conf.Role,
	}, nil
}

func setConfigDefaults(config *rest.Config) error {
	// if apps group is not registered, return an error
	g, err := registered.Group("apps")
	if err != nil {
		return err
	}
	config.APIPath = "/apis"
	if config.UserAgent == "" {
		config.UserAgent = rest.DefaultKubernetesUserAgent()
	}
	// TODO: Unconditionally set the config.Version, until we fix the config.
	//if config.Version == "" {
	copyGroupVersion := g.GroupVersion
	config.GroupVersion = &copyGroupVersion
	//}

	config.NegotiatedSerializer = serializer.DirectCodecFactory{CodecFactory: api.Codecs}

	return nil
}

// MergeWithConfig returns a copy of a client.Config with values from the Info.
// The fields of client.Config with a corresponding field in the Info are set
// with the value from the Info.
func (info Info) MergeWithConfig(c rest.Config) (rest.Config, error) {
	var config rest.Config = c
	config.Username = info.User
	config.Password = info.Password
	config.CAFile = info.CAFile
	config.CertFile = info.CertFile
	config.KeyFile = info.KeyFile
	config.BearerToken = info.BearerToken
	if info.Insecure != nil {
		config.Insecure = *info.Insecure
	}
	return config, nil
}