fix cos data in guangzhou

pkg/client/client.go

@@ -34,14 +34,14 @@ import (
 	"github.com/tencentyun/tencentcloud-exporter/pkg/config"
 )
 
-func NewMonitorClient(cred common.CredentialIface, conf *config.TencentConfig) (*monitor.Client, error) {
+func NewMonitorClient(cred common.CredentialIface, conf *config.TencentConfig, region string) (*monitor.Client, error) {
 	cpf := profile.NewClientProfile()
 	if conf.Credential.IsInternal == true {
 		cpf.HttpProfile.Endpoint = "monitor.internal.tencentcloudapi.com"
 	} else {
 		cpf.HttpProfile.Endpoint = "monitor.tencentcloudapi.com"
 	}
-	return monitor.NewClient(cred, conf.Credential.Region, cpf)
+	return monitor.NewClient(cred, region, cpf)
 }
 
 func NewMongodbClient(cred common.CredentialIface, conf *config.TencentConfig) (*mongodb.Client, error) {

pkg/instance/repository_cos.go

@@ -18,6 +18,7 @@ func init() {
 }
 
 type CosTcInstanceRepository struct {
+	region string
 	client *sdk.Client
 	logger log.Logger
 }
@@ -62,6 +63,11 @@ func (repo *CosTcInstanceRepository) ListByFilters(filters map[string]string) (i
 		return
 	}
 	for _, meta := range resp.Buckets {
+		// when region is ap-guangzhou, will get all buckets in every region.
+		// need to filter by region
+		if meta.Region != repo.region {
+			continue
+		}
 		ins, e := NewCosTcInstance(meta.Name, &meta)
 		if e != nil {
 			level.Error(repo.logger).Log("msg", "Create Cos instance fail", "id", meta.Name)
@@ -84,6 +90,7 @@ func NewCosTcInstanceRepository(cred common.CredentialIface, c *config.TencentCo
 		return
 	}
 	repo = &CosTcInstanceRepository{
+		region: c.Credential.Region,
 		client: cli,
 		logger: logger,
 	}

pkg/metric/repository.go

@@ -14,6 +14,7 @@ import (
 	"golang.org/x/time/rate"
 
 	monitor "github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/monitor/v20180724"
+	v20180724 "github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/monitor/v20180724"
 	"github.com/tencentyun/tencentcloud-exporter/pkg/client"
 	"github.com/tencentyun/tencentcloud-exporter/pkg/config"
 )
@@ -35,10 +36,11 @@ type TcmMetricRepository interface {
 }
 
 type TcmMetricRepositoryImpl struct {
-	credential    common.CredentialIface
-	monitorClient *monitor.Client
-	limiter       *rate.Limiter // 限速
-	ctx           context.Context
+	credential               common.CredentialIface
+	monitorClient            *monitor.Client
+	monitorClientInGuangzhou *monitor.Client
+	limiter                  *rate.Limiter // 限速
+	ctx                      context.Context
 
 	queryMetricBatchSize int
 
@@ -130,7 +132,12 @@ func (repo *TcmMetricRepositoryImpl) GetSamples(s *TcmSeries, st int64, et int64
 		request.EndTime = &etStr
 	}
 
-	response, err := repo.monitorClient.GetMonitorData(request)
+	response := &v20180724.GetMonitorDataResponse{}
+	if s.Metric.Meta.ProductName == "COS" {
+		response, err = repo.monitorClientInGuangzhou.GetMonitorData(request)
+	} else {
+		response, err = repo.monitorClient.GetMonitorData(request)
+	}
 	if err != nil {
 		return
 	}
@@ -175,9 +182,14 @@ func (repo *TcmMetricRepositoryImpl) listSampleByBatch(
 		return nil, err
 	}
 
-	//level.Info(repo.logger).Log("st", st, "et", et)
 	request := repo.buildGetMonitorDataRequest(m, seriesList, st, et)
-	response, err := repo.monitorClient.GetMonitorData(request)
+
+	response := &v20180724.GetMonitorDataResponse{}
+	if m.Meta.ProductName == "COS" {
+		response, err = repo.monitorClientInGuangzhou.GetMonitorData(request)
+	} else {
+		response, err = repo.monitorClient.GetMonitorData(request)
+	}
 	if err != nil {
 		return nil, err
 	}
@@ -262,18 +274,23 @@ func (repo *TcmMetricRepositoryImpl) buildSamples(
 }
 
 func NewTcmMetricRepository(cred common.CredentialIface, conf *config.TencentConfig, logger log.Logger) (repo TcmMetricRepository, err error) {
-	monitorClient, err := client.NewMonitorClient(cred, conf)
+	monitorClient, err := client.NewMonitorClient(cred, conf, conf.Credential.Region)
+	if err != nil {
+		return
+	}
+	monitorClientInGuangzhou, err := client.NewMonitorClient(cred, conf, "ap-guangzhou")
 	if err != nil {
 		return
 	}
 
 	repo = &TcmMetricRepositoryImpl{
-		credential:           cred,
-		monitorClient:        monitorClient,
-		limiter:              rate.NewLimiter(rate.Limit(conf.RateLimit), 1),
-		ctx:                  context.Background(),
-		queryMetricBatchSize: conf.MetricQueryBatchSize,
-		logger:               logger,
+		credential:               cred,
+		monitorClient:            monitorClient,
+		monitorClientInGuangzhou: monitorClientInGuangzhou,
+		limiter:                  rate.NewLimiter(rate.Limit(conf.RateLimit), 1),
+		ctx:                      context.Background(),
+		queryMetricBatchSize:     conf.MetricQueryBatchSize,
+		logger:                   logger,
 	}
 
 	return