grafana/pkg/tsdb/cloudwatch/clients/metrics.go
Shabeeb Khalid 8f96d23eee
CloudWatch: Use context in aws ListMetricsPages (#76938)
Use context in aws ListMetricsPages

Use ListMetricsPagesWithContext and pass context in related sub calls
2023-10-23 16:17:06 +02:00

45 lines
1.6 KiB
Go

package clients
import (
"context"
"github.com/aws/aws-sdk-go/aws/awsutil"
"github.com/aws/aws-sdk-go/service/cloudwatch"
"github.com/grafana/grafana/pkg/infra/metrics"
"github.com/grafana/grafana/pkg/setting"
"github.com/grafana/grafana/pkg/tsdb/cloudwatch/models"
"github.com/grafana/grafana/pkg/tsdb/cloudwatch/models/resources"
)
// this client wraps the CloudWatch API and handles pagination and the composition of the MetricResponse DTO
type metricsClient struct {
models.CloudWatchMetricsAPIProvider
config *setting.Cfg
}
func NewMetricsClient(api models.CloudWatchMetricsAPIProvider, config *setting.Cfg) *metricsClient {
return &metricsClient{CloudWatchMetricsAPIProvider: api, config: config}
}
func (l *metricsClient) ListMetricsWithPageLimit(ctx context.Context, params *cloudwatch.ListMetricsInput) ([]resources.MetricResponse, error) {
var cloudWatchMetrics []resources.MetricResponse
pageNum := 0
err := l.ListMetricsPagesWithContext(ctx, params, func(page *cloudwatch.ListMetricsOutput, lastPage bool) bool {
pageNum++
metrics.MAwsCloudWatchListMetrics.Inc()
metrics, err := awsutil.ValuesAtPath(page, "Metrics")
if err == nil {
for idx, metric := range metrics {
metric := resources.MetricResponse{Metric: metric.(*cloudwatch.Metric)}
if len(page.OwningAccounts) >= idx && params.IncludeLinkedAccounts != nil && *params.IncludeLinkedAccounts {
metric.AccountId = page.OwningAccounts[idx]
}
cloudWatchMetrics = append(cloudWatchMetrics, metric)
}
}
return !lastPage && pageNum < l.config.AWSListMetricsPageLimit
})
return cloudWatchMetrics, err
}