feat(authn): add generic oidc and allow customizable name (#1691)

Rebased and squashed

Signed-off-by: Damien Degois <damien@degois.info>

pkg/extensions/extension_mgmt.go

@@ -24,7 +24,9 @@ type BearerConfig struct {
 	Service string `json:"service,omitempty"`
 }
 
-type OpenIDProviderConfig struct{}
+type OpenIDProviderConfig struct {
+	Name string `json:"name,omitempty" mapstructure:"name"`
+}
 
 type OpenIDConfig struct {
 	Providers map[string]OpenIDProviderConfig `json:"providers,omitempty" mapstructure:"providers"`

pkg/extensions/extensions_test.go

@@ -566,7 +566,7 @@ func TestMgmtExtension(t *testing.T) {
 		conf.HTTP.Auth.Bearer = nil
 
 		openIDProviders := make(map[string]config.OpenIDProviderConfig)
-		openIDProviders["dex"] = config.OpenIDProviderConfig{
+		openIDProviders["oidc"] = config.OpenIDProviderConfig{
 			ClientID:     mockOIDCConfig.ClientID,
 			ClientSecret: mockOIDCConfig.ClientSecret,
 			Issuer:       mockOIDCConfig.Issuer,