sigs.k8s.io/external-dns@v0.14.1/provider/tencentcloud/cloudapi/clientset.go (about)

     1  /*
     2  Copyright 2022 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package cloudapi
    18  
    19  import (
    20  	"fmt"
    21  	"sync"
    22  
    23  	"github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common"
    24  	"github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common/profile"
    25  	dnspod "github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/dnspod/v20210323"
    26  	privatedns "github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/privatedns/v20201028"
    27  	"go.uber.org/ratelimit"
    28  )
    29  
    30  type TencentClientSetService interface {
    31  	PrivateDnsCli(action string) *privatedns.Client
    32  	DnsPodCli(action string) *dnspod.Client
    33  }
    34  
    35  func NewTencentClientSetService(region string, rate int, secretId string, secretKey string, internetEndpoint bool) *defaultTencentClientSetService {
    36  	p := &defaultTencentClientSetService{
    37  		Region:    region,
    38  		RateLimit: rate,
    39  	}
    40  	cred := common.NewCredential(secretId, secretKey)
    41  
    42  	privatednsProf := profile.NewClientProfile()
    43  	if !internetEndpoint {
    44  		privatednsProf.HttpProfile.Endpoint = "privatedns.internal.tencentcloudapi.com"
    45  	}
    46  	p.privateDnsClient, _ = privatedns.NewClient(cred, region, privatednsProf)
    47  
    48  	dnsPodProf := profile.NewClientProfile()
    49  	if !internetEndpoint {
    50  		dnsPodProf.HttpProfile.Endpoint = "dnspod.internal.tencentcloudapi.com"
    51  	}
    52  	p.dnsPodClient, _ = dnspod.NewClient(cred, region, dnsPodProf)
    53  
    54  	return p
    55  }
    56  
    57  type defaultTencentClientSetService struct {
    58  	Region           string
    59  	RateLimit        int
    60  	RateLimitSyncMap sync.Map
    61  
    62  	privateDnsClient *privatedns.Client
    63  	dnsPodClient     *dnspod.Client
    64  }
    65  
    66  func (p *defaultTencentClientSetService) checkRateLimit(request, method string) {
    67  	action := fmt.Sprintf("%s_%s", request, method)
    68  	if rl, ok := p.RateLimitSyncMap.LoadOrStore(action, ratelimit.New(p.RateLimit, ratelimit.WithoutSlack)); ok {
    69  		rl.(ratelimit.Limiter).Take()
    70  	}
    71  }
    72  
    73  func (p *defaultTencentClientSetService) PrivateDnsCli(action string) *privatedns.Client {
    74  	p.checkRateLimit("privateDns", action)
    75  	return p.privateDnsClient
    76  }
    77  
    78  func (p *defaultTencentClientSetService) DnsPodCli(action string) *dnspod.Client {
    79  	p.checkRateLimit("dnsPod", action)
    80  	return p.dnsPodClient
    81  }