Пример #1
0
// SetKubernetesDefaults sets default values on the provided client config for accessing the
// Kubernetes API or returns an error if any of the defaults are impossible or invalid.
// TODO: this method needs to be split into one that sets defaults per group, expected to be fix in PR "Refactoring clientcache.go and helper.go #14592"
func SetKubernetesDefaults(config *Config) error {
	if config.Prefix == "" {
		config.Prefix = "/api"
	}
	if len(config.UserAgent) == 0 {
		config.UserAgent = DefaultKubernetesUserAgent()
	}
	g, err := latest.Group(api.GroupName)
	if err != nil {
		return err
	}
	// TODO: Unconditionally set the config.Version, until we fix the config.
	copyGroupVersion := g.GroupVersion
	config.GroupVersion = &copyGroupVersion
	versionInterfaces, err := g.InterfacesFor(*config.GroupVersion)
	if err != nil {
		return fmt.Errorf("API version '%v' is not recognized (valid values: %v)", *config.GroupVersion, latest.GroupOrDie(api.GroupName).GroupVersions)
	}
	if config.Codec == nil {
		config.Codec = versionInterfaces.Codec
	}
	if config.QPS == 0.0 {
		config.QPS = 5.0
	}
	if config.Burst == 0 {
		config.Burst = 10
	}
	return nil
}
Пример #2
0
func setExtensionsDefaults(config *Config) error {
	// if experimental group is not registered, return an error
	g, err := latest.Group(extensions.GroupName)
	if err != nil {
		return err
	}
	config.Prefix = "apis/"
	if config.UserAgent == "" {
		config.UserAgent = DefaultKubernetesUserAgent()
	}
	// TODO: Unconditionally set the config.Version, until we fix the config.
	//if config.Version == "" {
	copyGroupVersion := g.GroupVersion
	config.GroupVersion = &copyGroupVersion
	//}

	versionInterfaces, err := g.InterfacesFor(*config.GroupVersion)
	if err != nil {
		return fmt.Errorf("Extensions API group/version '%v' is not recognized (valid values: %v)",
			config.GroupVersion, latest.GroupOrDie(extensions.GroupName).GroupVersions)
	}
	config.Codec = versionInterfaces.Codec
	if config.QPS == 0 {
		config.QPS = 5
	}
	if config.Burst == 0 {
		config.Burst = 10
	}
	return nil
}
Пример #3
0
// New creates a Kubernetes client for the given config. This client works with pods,
// replication controllers, daemons, and services. It allows operations such as list, get, update
// and delete on these objects. An error is returned if the provided configuration
// is not valid.
func New(c *Config) (*Client, error) {
	config := *c
	if err := SetKubernetesDefaults(&config); err != nil {
		return nil, err
	}
	client, err := RESTClientFor(&config)
	if err != nil {
		return nil, err
	}

	discoveryConfig := *c
	discoveryClient, err := NewDiscoveryClient(&discoveryConfig)
	if err != nil {
		return nil, err
	}

	if _, err := latest.Group(extensions.GroupName); err != nil {
		return &Client{RESTClient: client, ExtensionsClient: nil, DiscoveryClient: discoveryClient}, nil
	}
	experimentalConfig := *c
	experimentalClient, err := NewExtensions(&experimentalConfig)
	if err != nil {
		return nil, err
	}

	return &Client{RESTClient: client, ExtensionsClient: experimentalClient, DiscoveryClient: discoveryClient}, nil
}
Пример #4
0
// interfacesFor returns the default Codec and ResourceVersioner for a given version
// string, or an error if the version is not known.
func interfacesFor(version unversioned.GroupVersion) (*meta.VersionInterfaces, error) {
	switch version {
	case v1alpha1.SchemeGroupVersion:
		return &meta.VersionInterfaces{
			Codec:            v1alpha1.Codec,
			ObjectConvertor:  api.Scheme,
			MetadataAccessor: accessor,
		}, nil
	default:
		g, _ := latest.Group(componentconfig.GroupName)
		return nil, fmt.Errorf("unsupported storage version: %s (valid: %v)", version, g.GroupVersions)
	}
}