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/
config.go
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/
config.go
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/*
* Copyright (c) 2018 WSO2 Inc. (http:www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file except
* in compliance with the License.
* You may obtain a copy of the License at
*
* http:www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package resources
import (
"encoding/json"
"fmt"
"cellery.io/cellery-controller/pkg/apis/mesh/v1alpha2"
"cellery.io/cellery-controller/pkg/meta"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"cellery.io/cellery-controller/pkg/config"
"cellery.io/cellery-controller/pkg/controller"
)
type apiConfig struct {
Cell string `json:"cell"`
Version string `json:"version"`
Hostname string `json:"hostname"`
HTTPRoutes []v1alpha2.HTTPRoute `json:"apis"`
GlobalContext string `json:"globalContext"`
}
func IsApiPublishingRequired(gateway *v1alpha2.Gateway) bool {
return gateway.Spec.Ingress.IngressExtensions.HasApiPublisher()
}
func CreateGatewayConfigMap(gateway *v1alpha2.Gateway, cfg config.Interface) (*corev1.ConfigMap, error) {
cellName, ok := gateway.Labels[meta.CellLabelKey]
if !ok {
cellName = gateway.Name
}
api := &apiConfig{
Cell: cellName,
Hostname: GatewayFullK8sServiceName(gateway),
HTTPRoutes: gateway.Spec.Ingress.HTTPRoutes,
}
if gateway.Spec.Ingress.IngressExtensions.HasApiPublisher() {
api.GlobalContext = gateway.Spec.Ingress.IngressExtensions.ApiPublisher.Context
if gateway.Spec.Ingress.IngressExtensions.ApiPublisher.HasVersion() {
api.Version = gateway.Spec.Ingress.IngressExtensions.ApiPublisher.Version
}
}
apiConfigJsonBytes, err := json.Marshal(api)
if err != nil {
return nil, fmt.Errorf("cannot create apiConfig json for the ConfigMap %q: %v",
ApiPublisherConfigMap(gateway), err)
}
apiConfigJson := string(apiConfigJsonBytes)
return &corev1.ConfigMap{
ObjectMeta: metav1.ObjectMeta{
Name: ApiPublisherConfigMap(gateway),
Namespace: gateway.Namespace,
Labels: makeLabels(gateway),
OwnerReferences: []metav1.OwnerReference{
*controller.CreateGatewayOwnerRef(gateway),
},
},
Data: map[string]string{
apiConfigKey: apiConfigJson,
apiPublisherConfigKey: cfg.StringValue(config.ConfigMapKeyApiPublisherConfig),
},
}, nil
}
func RequireGatewayConfigMapUpdate(gateway *v1alpha2.Gateway, configMap *corev1.ConfigMap) bool {
return gateway.Generation != gateway.Status.ObservedGeneration ||
configMap.Generation != gateway.Status.ConfigMapGeneration
}
func CopyGatewayConfigMap(source, destination *corev1.ConfigMap) {
destination.Data = source.Data
destination.Labels = source.Labels
destination.Annotations = source.Annotations
}
func StatusFromConfigMap(gateway *v1alpha2.Gateway, configMap *corev1.ConfigMap) {
gateway.Status.ConfigMapGeneration = configMap.Generation
}