// NewGenericWebhook creates a new GenericWebhook from the provided kubeconfig file.
func NewGenericWebhook(kubeConfigFile string, groupVersions []schema.GroupVersion, initialBackoff time.Duration) (*GenericWebhook, error) {
for _, groupVersion := range groupVersions {
if !api.Registry.IsEnabledVersion(groupVersion) {
return nil, fmt.Errorf("webhook plugin requires enabling extension resource: %s", groupVersion)
}
}
loadingRules := clientcmd.NewDefaultClientConfigLoadingRules()
loadingRules.ExplicitPath = kubeConfigFile
loader := clientcmd.NewNonInteractiveDeferredLoadingClientConfig(loadingRules, &clientcmd.ConfigOverrides{})
clientConfig, err := loader.ClientConfig()
if err != nil {
return nil, err
}
codec := api.Codecs.LegacyCodec(groupVersions...)
clientConfig.ContentConfig.NegotiatedSerializer = runtimeserializer.NegotiatedSerializerWrapper(runtime.SerializerInfo{Serializer: codec})
restClient, err := rest.UnversionedRESTClientFor(clientConfig)
if err != nil {
return nil, err
}
// TODO(ericchiang): Can we ensure remote service is reachable?
return &GenericWebhook{restClient, initialBackoff}, nil
}
// NewDiscoveryClientForConfig creates a new DiscoveryClient for the given config. This client
// can be used to discover supported resources in the API server.
func NewDiscoveryClientForConfig(c *rest.Config) (*DiscoveryClient, error) {
config := *c
if err := setDiscoveryDefaults(&config); err != nil {
return nil, err
}
client, err := rest.UnversionedRESTClientFor(&config)
return &DiscoveryClient{restClient: client, LegacyPrefix: "/api"}, err
}
