// 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 = ©GroupVersion
//}
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
}
