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Copy pathcollect_snapshot_metrics_task.go
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collect_snapshot_metrics_task.go
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package dataplane
import (
"context"
"time"
"github.com/golang/protobuf/proto"
"github.com/golang/protobuf/ptypes/empty"
"github.com/ydb-platform/nbs/cloud/disk_manager/internal/pkg/dataplane/snapshot/storage"
"github.com/ydb-platform/nbs/cloud/disk_manager/internal/pkg/monitoring/metrics"
"github.com/ydb-platform/nbs/cloud/tasks"
)
////////////////////////////////////////////////////////////////////////////////
type collectSnapshotMetricsTask struct {
registry metrics.Registry
storage storage.Storage
metricsCollectionInterval time.Duration
}
func (c collectSnapshotMetricsTask) Save() ([]byte, error) {
return nil, nil
}
func (c collectSnapshotMetricsTask) Load(request []byte, state []byte) error {
return nil
}
func (c collectSnapshotMetricsTask) Run(
ctx context.Context,
execCtx tasks.ExecutionContext,
) error {
defer c.clearMetrics()
ticker := time.NewTicker(c.metricsCollectionInterval)
defer ticker.Stop()
for range ticker.C {
deletingSnapshotCount, err := c.storage.GetDeletingSnapshotCount(ctx)
if err != nil {
return err
}
c.registry.Gauge("snapshots/deletingCount").Set(float64(deletingSnapshotCount))
snapshotCount, err := c.storage.GetSnapshotCount(ctx)
if err != nil {
return err
}
c.registry.Gauge("snapshots/count").Set(float64(snapshotCount))
totalSnapshotSize, err := c.storage.GetTotalSnapshotSize(ctx)
if err != nil {
return err
}
c.registry.Gauge("snapshots/totalSize").Set(float64(totalSnapshotSize))
totalSnapshotStorageSize, err := c.storage.GetTotalSnapshotStorageSize(ctx)
if err != nil {
return err
}
c.registry.Gauge("snapshots/totalStorageSize").Set(float64(totalSnapshotStorageSize))
}
return nil
}
func (c collectSnapshotMetricsTask) Cancel(
ctx context.Context,
execCtx tasks.ExecutionContext,
) error {
return nil
}
func (c collectSnapshotMetricsTask) GetMetadata(
ctx context.Context,
) (proto.Message, error) {
return &empty.Empty{}, nil
}
func (c collectSnapshotMetricsTask) GetResponse() proto.Message {
return &empty.Empty{}
}
////////////////////////////////////////////////////////////////////////////////
func (c collectSnapshotMetricsTask) clearMetrics() {
// We'd like to delete it from registry completely, but there's no such option.
c.registry.Gauge("snapshots/deletingCount").Set(0)
}