apis/cluster/cluster.go
func (c *Cluster) ProviderConfig() *ControlPlaneProviderConfig {
	//providerConfig providerConfig
	raw := c.ClusterAPI.Spec.ProviderConfig
	providerConfig := &ControlPlaneProviderConfig{}
	err := json.Unmarshal([]byte(raw), providerConfig)
	if err != nil {
		logger.Critical("Unable to unmarshal provider config: %v", err)
	}
	return providerConfig
}
func (c *Cluster) ProviderConfig() *ControlPlaneProviderConfig {
	//providerConfig providerConfig
	raw := c.ClusterAPI.Spec.ProviderConfig
	providerConfig := &ControlPlaneProviderConfig{}
	err := json.Unmarshal([]byte(raw), providerConfig)
	if err != nil {
		logger.Critical("Unable to unmarshal provider config: %v", err)
	}
	return providerConfig
}
// ProviderConfig is a convenience method that will attempt
// to return a ControlPlaneProviderConfig for a cluster.
// This is useful for managing the legacy API in a clean way.
// This will ignore errors from json.Unmarshal and will simply
// return an empty config.