forked from TrueCloudLab/frostfs-s3-gw
116 lines
4.9 KiB
Go
116 lines
4.9 KiB
Go
package metrics
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import (
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/pool"
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"github.com/prometheus/client_golang/prometheus"
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)
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const (
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poolSubsystem = "pool"
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)
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const (
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overallErrorsMetric = "overall_errors"
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overallNodeErrorsMetric = "overall_node_errors"
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overallNodeRequestsMetric = "overall_node_requests"
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currentErrorMetric = "current_errors"
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avgRequestDurationMetric = "avg_request_duration"
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currentNodesMetric = "current_nodes"
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)
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const (
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methodGetBalance = "get_balance"
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methodPutContainer = "put_container"
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methodGetContainer = "get_container"
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methodListContainer = "list_container"
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methodDeleteContainer = "delete_container"
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methodEndpointInfo = "endpoint_info"
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methodNetworkInfo = "network_info"
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methodPutObject = "put_object"
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methodDeleteObject = "delete_object"
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methodGetObject = "get_object"
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methodHeadObject = "head_object"
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methodRangeObject = "range_object"
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methodCreateSession = "create_session"
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)
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type poolMetricsCollector struct {
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poolStatScraper StatisticScraper
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overallErrors prometheus.Gauge
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overallNodeErrors *prometheus.GaugeVec
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overallNodeRequests *prometheus.GaugeVec
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currentErrors *prometheus.GaugeVec
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requestDuration *prometheus.GaugeVec
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currentNodes *prometheus.GaugeVec
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}
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func newPoolMetricsCollector(scraper StatisticScraper) *poolMetricsCollector {
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return &poolMetricsCollector{
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poolStatScraper: scraper,
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overallErrors: mustNewGauge(appMetricsDesc[poolSubsystem][overallErrorsMetric]),
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overallNodeErrors: mustNewGaugeVec(appMetricsDesc[poolSubsystem][overallNodeErrorsMetric]),
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overallNodeRequests: mustNewGaugeVec(appMetricsDesc[poolSubsystem][overallNodeRequestsMetric]),
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currentErrors: mustNewGaugeVec(appMetricsDesc[poolSubsystem][currentErrorMetric]),
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requestDuration: mustNewGaugeVec(appMetricsDesc[poolSubsystem][avgRequestDurationMetric]),
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currentNodes: mustNewGaugeVec(appMetricsDesc[poolSubsystem][currentNodesMetric]),
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}
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}
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func (m *poolMetricsCollector) Collect(ch chan<- prometheus.Metric) {
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m.updateStatistic()
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m.overallErrors.Collect(ch)
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m.overallNodeErrors.Collect(ch)
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m.overallNodeRequests.Collect(ch)
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m.currentErrors.Collect(ch)
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m.requestDuration.Collect(ch)
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m.currentNodes.Collect(ch)
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}
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func (m *poolMetricsCollector) Describe(descs chan<- *prometheus.Desc) {
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m.overallErrors.Describe(descs)
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m.overallNodeErrors.Describe(descs)
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m.overallNodeRequests.Describe(descs)
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m.currentErrors.Describe(descs)
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m.requestDuration.Describe(descs)
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m.currentNodes.Describe(descs)
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}
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func (m *poolMetricsCollector) updateStatistic() {
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stat := m.poolStatScraper.Statistic()
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m.overallNodeErrors.Reset()
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m.overallNodeRequests.Reset()
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m.currentErrors.Reset()
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m.requestDuration.Reset()
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m.currentNodes.Reset()
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for _, node := range stat.Nodes() {
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m.overallNodeErrors.WithLabelValues(node.Address()).Set(float64(node.OverallErrors()))
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m.overallNodeRequests.WithLabelValues(node.Address()).Set(float64(node.Requests()))
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m.currentErrors.WithLabelValues(node.Address()).Set(float64(node.CurrentErrors()))
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m.updateRequestsDuration(node)
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}
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for _, addr := range stat.CurrentNodes() {
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m.currentNodes.WithLabelValues(addr).Set(1)
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}
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m.overallErrors.Set(float64(stat.OverallErrors()))
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}
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func (m *poolMetricsCollector) updateRequestsDuration(node pool.NodeStatistic) {
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m.requestDuration.WithLabelValues(node.Address(), methodGetBalance).Set(float64(node.AverageGetBalance().Milliseconds()))
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m.requestDuration.WithLabelValues(node.Address(), methodPutContainer).Set(float64(node.AveragePutContainer().Milliseconds()))
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m.requestDuration.WithLabelValues(node.Address(), methodGetContainer).Set(float64(node.AverageGetContainer().Milliseconds()))
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m.requestDuration.WithLabelValues(node.Address(), methodListContainer).Set(float64(node.AverageListContainer().Milliseconds()))
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m.requestDuration.WithLabelValues(node.Address(), methodDeleteContainer).Set(float64(node.AverageDeleteContainer().Milliseconds()))
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m.requestDuration.WithLabelValues(node.Address(), methodEndpointInfo).Set(float64(node.AverageEndpointInfo().Milliseconds()))
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m.requestDuration.WithLabelValues(node.Address(), methodNetworkInfo).Set(float64(node.AverageNetworkInfo().Milliseconds()))
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m.requestDuration.WithLabelValues(node.Address(), methodPutObject).Set(float64(node.AveragePutObject().Milliseconds()))
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m.requestDuration.WithLabelValues(node.Address(), methodDeleteObject).Set(float64(node.AverageDeleteObject().Milliseconds()))
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m.requestDuration.WithLabelValues(node.Address(), methodGetObject).Set(float64(node.AverageGetObject().Milliseconds()))
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m.requestDuration.WithLabelValues(node.Address(), methodHeadObject).Set(float64(node.AverageHeadObject().Milliseconds()))
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m.requestDuration.WithLabelValues(node.Address(), methodRangeObject).Set(float64(node.AverageRangeObject().Milliseconds()))
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m.requestDuration.WithLabelValues(node.Address(), methodCreateSession).Set(float64(node.AverageCreateSession().Milliseconds()))
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}
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