-
Notifications
You must be signed in to change notification settings - Fork 48
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
18 changed files
with
1,864 additions
and
12 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,157 @@ | ||
/* | ||
* Copyright (c) Huawei Technologies Co., Ltd. 2023-2023. 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 client | ||
|
||
import ( | ||
"encoding/json" | ||
"errors" | ||
"fmt" | ||
"reflect" | ||
|
||
corev1 "k8s.io/api/core/v1" | ||
k8string "k8s.io/utils/strings" | ||
|
||
"huawei-csi-driver/cli/helper" | ||
xuanwuV1 "huawei-csi-driver/client/apis/xuanwu/v1" | ||
"huawei-csi-driver/utils/log" | ||
) | ||
|
||
// CommonCallHandler common call handler | ||
type CommonCallHandler[T any] struct { | ||
client KubernetesClient | ||
} | ||
|
||
// ListResult list query result | ||
type ListResult[T any] struct { | ||
Items []T `json:"items"` | ||
} | ||
|
||
// NewCommonCallHandler init common call handler | ||
func NewCommonCallHandler[T any](client KubernetesClient) *CommonCallHandler[T] { | ||
return &CommonCallHandler[T]{client: client} | ||
} | ||
|
||
// Create resource | ||
func (r *CommonCallHandler[T]) Create(t T) error { | ||
return r.commonOperateResource(t, Create) | ||
} | ||
|
||
// Update resource | ||
func (r *CommonCallHandler[T]) Update(t T) error { | ||
return r.commonOperateResource(t, Apply) | ||
} | ||
|
||
// QueryByName query resource by name | ||
func (r *CommonCallHandler[T]) QueryByName(namespace, name string) (T, error) { | ||
return commonQuery[T, T](r.client, namespace, name) | ||
} | ||
|
||
// QueryList query resource list | ||
func (r *CommonCallHandler[T]) QueryList(namespace string, names ...string) ([]T, error) { | ||
if len(names) == 1 { | ||
t, err := r.QueryByName(namespace, names[0]) | ||
if err != nil { | ||
return []T{}, err | ||
} | ||
return safeToArray(t), nil | ||
} | ||
|
||
result, err := commonQuery[ListResult[T], T](r.client, namespace, names...) | ||
if err != nil { | ||
return []T{}, err | ||
} | ||
return result.Items, nil | ||
} | ||
|
||
// DeleteByNames delete resource by names | ||
func (r *CommonCallHandler[T]) DeleteByNames(namespace string, names ...string) error { | ||
var qualifiedNames []string | ||
resourceType, err := GetResourceTypeByT[T]() | ||
if err != nil { | ||
return err | ||
} | ||
for _, name := range names { | ||
qualifiedNames = append(qualifiedNames, k8string.JoinQualifiedName(string(resourceType), name)) | ||
} | ||
_, err = r.client.DeleteResourceByQualifiedNames(qualifiedNames, namespace) | ||
return err | ||
} | ||
|
||
// commonQuery common query resource | ||
// T is return Type | ||
// R is Resource struct | ||
func commonQuery[T any, R any](client KubernetesClient, namespace string, names ...string) (T, error) { | ||
var t T | ||
resourceType, err := GetResourceTypeByT[R]() | ||
if err != nil { | ||
return t, err | ||
} | ||
jsonBytes, err := client.GetResource(names, namespace, "json", resourceType) | ||
if err != nil || len(jsonBytes) == 0 { | ||
return t, err | ||
} | ||
|
||
if err := json.Unmarshal(jsonBytes, &t); err != nil { | ||
return t, err | ||
} | ||
|
||
return t, nil | ||
} | ||
|
||
// commonQuery common query resource | ||
// T is resource struct | ||
func (r *CommonCallHandler[T]) commonOperateResource(t T, operateType string) error { | ||
bytes, err := helper.StructToYAML(t) | ||
if err != nil { | ||
log.Errorf("%s resource failed, error: %v", operateType, err) | ||
return err | ||
} | ||
return r.client.OperateResourceByYaml(string(bytes), operateType, false) | ||
} | ||
|
||
// GetResourceTypeByT get resource type | ||
func GetResourceTypeByT[T any]() (ResourceType, error) { | ||
var t T | ||
resourceType := parseType(t) | ||
if resourceType == "" { | ||
return "", errors.New(fmt.Sprintf("Unsupported query type: %s", reflect.TypeOf(t).Name())) | ||
} | ||
return resourceType, nil | ||
} | ||
|
||
func parseType(target interface{}) ResourceType { | ||
switch target.(type) { | ||
case corev1.Secret: | ||
return Secret | ||
case corev1.ConfigMap: | ||
return ConfigMap | ||
case xuanwuV1.StorageBackendClaim: | ||
return Storagebackendclaim | ||
case xuanwuV1.StorageBackendContent: | ||
return StoragebackendclaimContent | ||
default: | ||
return "" | ||
} | ||
} | ||
|
||
func safeToArray[T any](t T) []T { | ||
var emptyStruct T | ||
if reflect.DeepEqual(t, emptyStruct) { | ||
return []T{} | ||
} | ||
return []T{t} | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.