Dmitrii Stepanov
81ea91de52
`metrics` don't look like something others want to import. Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>
108 lines
3.7 KiB
Go
108 lines
3.7 KiB
Go
package metrics
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import (
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"strconv"
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"time"
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"git.frostfs.info/TrueCloudLab/frostfs-observability/metrics"
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"github.com/prometheus/client_golang/prometheus"
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)
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type WriteCacheMetrics interface {
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AddMethodDuration(shardID, path, storageType, method string, success bool, d time.Duration)
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SetActualCount(shardID, path, storageType string, count uint64)
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SetEstimateSize(shardID, path, storageType string, size uint64)
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SetMode(shardID, mode string)
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IncOperationCounter(shardID, path, storageType, operation string, success NullBool)
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Close(shardID, path string)
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}
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type writeCacheMetrics struct {
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methodDuration *prometheus.HistogramVec
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operationCounter *prometheus.CounterVec
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actualCount *prometheus.GaugeVec
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estimatedSize *prometheus.GaugeVec
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mode *shardIDModeValue
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}
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func newWriteCacheMetrics() *writeCacheMetrics {
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return &writeCacheMetrics{
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methodDuration: metrics.NewHistogramVec(prometheus.HistogramOpts{
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Namespace: namespace,
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Subsystem: writeCacheSubsystem,
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Name: "request_duration_seconds",
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Help: "Writecache request process duration",
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}, []string{shardIDLabel, successLabel, storageLabel, methodLabel, pathLabel}),
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operationCounter: metrics.NewCounterVec(prometheus.CounterOpts{
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Namespace: namespace,
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Subsystem: writeCacheSubsystem,
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Name: "operations_total",
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Help: "The number of writecache operations processed",
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}, []string{shardIDLabel, storageLabel, successLabel, operationLabel, pathLabel}),
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actualCount: newWCGaugeVec("actual_objects_total", "Actual objects count in writecache", []string{shardIDLabel, storageLabel, pathLabel}),
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estimatedSize: newWCGaugeVec("estimated_size_bytes", "Estimated writecache size", []string{shardIDLabel, storageLabel, pathLabel}),
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mode: newShardIDMode(writeCacheSubsystem, "mode_info", "Writecache mode value"),
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}
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}
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func (m *writeCacheMetrics) AddMethodDuration(shardID, path, storageType, method string, success bool, d time.Duration) {
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m.methodDuration.With(
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prometheus.Labels{
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shardIDLabel: shardID,
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successLabel: strconv.FormatBool(success),
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storageLabel: storageType,
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methodLabel: method,
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pathLabel: path,
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},
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).Observe(d.Seconds())
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}
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func (m *writeCacheMetrics) SetActualCount(shardID, path, storageType string, count uint64) {
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m.actualCount.With(prometheus.Labels{
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shardIDLabel: shardID,
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storageLabel: storageType,
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pathLabel: path,
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}).Set(float64(count))
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}
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func (m *writeCacheMetrics) SetEstimateSize(shardID, path, storageType string, size uint64) {
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m.estimatedSize.With(prometheus.Labels{
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shardIDLabel: shardID,
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storageLabel: storageType,
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pathLabel: path,
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}).Set(float64(size))
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}
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func (m *writeCacheMetrics) SetMode(shardID string, mode string) {
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m.mode.SetMode(shardID, mode)
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}
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func (m *writeCacheMetrics) IncOperationCounter(shardID, path, storageType, operation string, success NullBool) {
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m.operationCounter.With(prometheus.Labels{
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shardIDLabel: shardID,
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storageLabel: storageType,
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operationLabel: operation,
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successLabel: success.String(),
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pathLabel: path,
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}).Inc()
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}
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func (m *writeCacheMetrics) Close(shardID, path string) {
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m.mode.Delete(shardID)
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m.methodDuration.DeletePartialMatch(prometheus.Labels{shardIDLabel: shardID, pathLabel: path})
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m.operationCounter.DeletePartialMatch(prometheus.Labels{shardIDLabel: shardID, pathLabel: path})
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m.actualCount.DeletePartialMatch(prometheus.Labels{shardIDLabel: shardID, pathLabel: path})
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m.estimatedSize.DeletePartialMatch(prometheus.Labels{shardIDLabel: shardID, pathLabel: path})
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}
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func newWCGaugeVec(name, help string, labels []string) *prometheus.GaugeVec {
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return metrics.NewGaugeVec(prometheus.GaugeOpts{
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Namespace: namespace,
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Subsystem: writeCacheSubsystem,
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Name: name,
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Help: help,
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}, labels)
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}
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