/
config.go
87 lines (70 loc) · 2.61 KB
/
config.go
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package cmd
import (
"fmt"
healthcheckconfig "github.com/gardener/gardener/extensions/pkg/controller/healthcheck/config"
"github.com/metal-stack/gardener-extension-provider-metal/pkg/apis/config"
configloader "github.com/metal-stack/gardener-extension-provider-metal/pkg/apis/config/loader"
"github.com/spf13/pflag"
)
// ConfigOptions are command line options that can be set for config.ControllerConfiguration.
type ConfigOptions struct {
// Kubeconfig is the path to a kubeconfig.
ConfigFilePath string
config *Config
}
// Config is a completed controller configuration.
type Config struct {
// Config is the controller configuration.
Config *config.ControllerConfiguration
}
func (c *ConfigOptions) buildConfig() (*config.ControllerConfiguration, error) {
if len(c.ConfigFilePath) == 0 {
return nil, fmt.Errorf("config file path not set")
}
return configloader.LoadFromFile(c.ConfigFilePath)
}
// Complete implements RESTCompleter.Complete.
func (c *ConfigOptions) Complete() error {
config, err := c.buildConfig()
if err != nil {
return err
}
c.config = &Config{config}
return nil
}
// Completed returns the completed Config. Only call this if `Complete` was successful.
func (c *ConfigOptions) Completed() *Config {
return c.config
}
// AddFlags implements Flagger.AddFlags.
func (c *ConfigOptions) AddFlags(fs *pflag.FlagSet) {
fs.StringVar(&c.ConfigFilePath, "config-file", "", "path to the controller manager configuration file")
}
// Apply sets the values of this Config in the given config.ControllerConfiguration.
func (c *Config) Apply(cfg *config.ControllerConfiguration) {
*cfg = *c.Config
}
// ApplyMachineImages sets the given machine images to those of this Config.
func (c *Config) ApplyMachineImages(machineImages *[]config.MachineImage) {
*machineImages = c.Config.MachineImages
}
// ApplyETCD sets the given etcd configuration to that of this Config.
func (c *Config) ApplyETCD(etcd *config.ETCD) {
*etcd = c.Config.ETCD
}
// ApplyControllerConfig sets the given controller configuration to that of this Config.
func (c *Config) ApplyControllerConfig(controllerConfig *config.ControllerConfiguration) {
*controllerConfig = *c.Config
}
// Options initializes empty config.ControllerConfiguration, applies the set values and returns it.
func (c *Config) Options() config.ControllerConfiguration {
var cfg config.ControllerConfiguration
c.Apply(&cfg)
return cfg
}
// ApplyHealthCheckConfig applies the HealthCheckConfig to the config
func (c *Config) ApplyHealthCheckConfig(config *healthcheckconfig.HealthCheckConfig) {
if c.Config.HealthCheckConfig != nil {
*config = *c.Config.HealthCheckConfig
}
}