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configmaplist.go
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/
configmaplist.go
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// Copyright 2015 Google Inc. All Rights Reserved.
//
// Licensed 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 configmap
import (
"log"
"github.com/kubernetes/dashboard/src/app/backend/resource/common"
"github.com/kubernetes/dashboard/src/app/backend/resource/dataselect"
"k8s.io/kubernetes/pkg/api"
client "k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset"
)
// ConfigMapList contains a list of Config Maps in the cluster.
type ConfigMapList struct {
ListMeta common.ListMeta `json:"listMeta"`
// Unordered list of Config Maps
Items []ConfigMap `json:"items"`
}
// ConfigMap API resource provides mechanisms to inject containers with configuration data while keeping
// containers agnostic of Kubernetes
type ConfigMap struct {
ObjectMeta common.ObjectMeta `json:"objectMeta"`
TypeMeta common.TypeMeta `json:"typeMeta"`
// No additional info in the list object.
}
// GetConfigMapList returns a list of all ConfigMaps in the cluster.
func GetConfigMapList(client *client.Clientset, nsQuery *common.NamespaceQuery,
dsQuery *dataselect.DataSelectQuery) (*ConfigMapList, error) {
log.Printf("Getting list config maps in the namespace %s", nsQuery.ToRequestParam())
channels := &common.ResourceChannels{
ConfigMapList: common.GetConfigMapListChannel(client, nsQuery, 1),
}
return GetConfigMapListFromChannels(channels, dsQuery)
}
// GetConfigMapListFromChannels returns a list of all Config Maps in the cluster
// reading required resource list once from the channels.
func GetConfigMapListFromChannels(channels *common.ResourceChannels, dsQuery *dataselect.DataSelectQuery) (
*ConfigMapList, error) {
configMaps := <-channels.ConfigMapList.List
if err := <-channels.ConfigMapList.Error; err != nil {
return nil, err
}
result := getConfigMapList(configMaps.Items, dsQuery)
return result, nil
}
func getConfigMapList(configMaps []api.ConfigMap, dsQuery *dataselect.DataSelectQuery) *ConfigMapList {
result := &ConfigMapList{
Items: make([]ConfigMap, 0),
ListMeta: common.ListMeta{TotalItems: len(configMaps)},
}
configMaps = fromCells(dataselect.GenericDataSelect(toCells(configMaps), dsQuery))
for _, item := range configMaps {
result.Items = append(result.Items,
ConfigMap{
ObjectMeta: common.NewObjectMeta(item.ObjectMeta),
TypeMeta: common.NewTypeMeta(common.ResourceKindConfigMap),
})
}
return result
}