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Make genericapiserver Config.Complete type safe

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This commit is contained in:
Dr. Stefan Schimanski
2016-09-28 18:39:31 +02:00
parent 61409c821b
commit 6f781625db
2 changed files with 30 additions and 12 deletions
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23
pkg/master/master.go
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@@ -190,26 +190,35 @@ type RESTStorageProvider interface {
NewRESTStorage(apiResourceConfigSource genericapiserver.APIResourceConfigSource, restOptionsGetter RESTOptionsGetter) (groupInfo genericapiserver.APIGroupInfo, enabled bool)
}
type completedConfig struct {
*Config
}
// Complete fills in any fields not set that are required to have valid data. It's mutating the receiver.
func (c *Config) Complete() *Config {
c.Config.Complete()
func (c *Config) Complete() completedConfig {
c.GenericConfig.Complete()
// enable swagger UI only if general UI support is on
c.Config.EnableSwaggerUI = c.Config.EnableSwaggerUI && c.EnableUISupport
c.GenericConfig.EnableSwaggerUI = c.GenericConfig.EnableSwaggerUI && c.EnableUISupport
return c
return completedConfig{c}
}
// SkipComplete provides a way to construct a server instance without config completion.
func (c *Config) SkipComplete() completedConfig {
return completedConfig{c}
}
// New returns a new instance of Master from the given config.
// Certain config fields will be set to a default value if unset.
// Certain config fields must be specified, including:
// KubeletClient
func (c *Config) New() (*Master, error) {
func (c completedConfig) New() (*Master, error) {
if c.KubeletClient == nil {
return nil, fmt.Errorf("Master.New() called with config.KubeletClient == nil")
}
s, err := c.Config.New()
s, err := c.Config.GenericConfig.SkipComplete().New() // completion is done in Complete, no need for a second time
if err != nil {
return nil, err
}
@@ -259,7 +268,7 @@ func (c *Config) New() (*Master, error) {
c.RESTStorageProviders[policy.GroupName] = policyrest.RESTStorageProvider{}
c.RESTStorageProviders[rbac.GroupName] = &rbacrest.RESTStorageProvider{AuthorizerRBACSuperUser: c.GenericConfig.AuthorizerRBACSuperUser}
c.RESTStorageProviders[storage.GroupName] = storagerest.RESTStorageProvider{}
m.InstallAPIs(c)
m.InstallAPIs(c.Config)
// TODO: Attempt clean shutdown?
if m.enableCoreControllers {