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[#29] metrics: Support dump descriptions

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Signed-off-by: Denis Kirillov <d.kirillov@yadro.com>
This commit is contained in:
Denis Kirillov 2023-04-07 18:14:31 +03:00
parent 959213520e
commit cc37c34396
5 changed files with 211 additions and 69 deletions
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98
metrics/metrics.go
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@ -13,7 +13,22 @@ const (
namespace = "frostfs_http_gw"
stateSubsystem = "state"
poolSubsystem = "pool"
)
const (
healthMetric = "health"
versionInfoMetric = "version_info"
)
const (
overallErrorsMetric = "overall_errors"
overallNodeErrorsMetric = "overall_node_errors"
overallNodeRequestsMetric = "overall_node_requests"
currentErrorMetric = "current_errors"
avgRequestDurationMetric = "avg_request_duration"
)
const (
methodGetBalance = "get_balance"
methodPutContainer = "put_container"
methodGetContainer = "get_container"
@ -48,6 +63,7 @@ type GateMetrics struct {
type stateMetrics struct {
healthCheck prometheus.Gauge
versionInfo *prometheus.GaugeVec
}
type poolMetricsCollector struct {
@ -80,93 +96,37 @@ func (g *GateMetrics) Unregister() {
func newStateMetrics() *stateMetrics {
return &stateMetrics{
healthCheck: prometheus.NewGauge(prometheus.GaugeOpts{
Namespace: namespace,
Subsystem: stateSubsystem,
Name: "health",
Help: "Current HTTP gateway state",
}),
healthCheck: newGauge(appMetricsDesc[stateSubsystem][healthMetric]),
versionInfo: newGaugeVec(appMetricsDesc[stateSubsystem][versionInfoMetric]),
}
}
func (m stateMetrics) register() {
prometheus.MustRegister(m.healthCheck)
prometheus.MustRegister(m.versionInfo)
}
func (m stateMetrics) unregister() {
prometheus.Unregister(m.healthCheck)
prometheus.Unregister(m.versionInfo)
}
func (m stateMetrics) SetHealth(s HealthStatus) {
m.healthCheck.Set(float64(s))
}
func (m stateMetrics) SetVersion(ver string) {
m.versionInfo.WithLabelValues(ver).Set(1)
}
func newPoolMetricsCollector(p *pool.Pool) *poolMetricsCollector {
overallErrors := prometheus.NewGauge(
prometheus.GaugeOpts{
Namespace: namespace,
Subsystem: poolSubsystem,
Name: "overall_errors",
Help: "Total number of errors in pool",
},
)
overallNodeErrors := prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: namespace,
Subsystem: poolSubsystem,
Name: "overall_node_errors",
Help: "Total number of errors for connection in pool",
},
[]string{
"node",
},
)
overallNodeRequests := prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: namespace,
Subsystem: poolSubsystem,
Name: "overall_node_requests",
Help: "Total number of requests to specific node in pool",
},
[]string{
"node",
},
)
currentErrors := prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: namespace,
Subsystem: poolSubsystem,
Name: "current_errors",
Help: "Number of errors on current connections that will be reset after the threshold",
},
[]string{
"node",
},
)
requestsDuration := prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: namespace,
Subsystem: poolSubsystem,
Name: "avg_request_duration",
Help: "Average request duration (in milliseconds) for specific method on node in pool",
},
[]string{
"node",
"method",
},
)
return &poolMetricsCollector{
pool: p,
overallErrors: overallErrors,
overallNodeErrors: overallNodeErrors,
overallNodeRequests: overallNodeRequests,
currentErrors: currentErrors,
requestDuration: requestsDuration,
overallErrors: newGauge(appMetricsDesc[poolSubsystem][overallErrorsMetric]),
overallNodeErrors: newGaugeVec(appMetricsDesc[poolSubsystem][overallNodeErrorsMetric]),
overallNodeRequests: newGaugeVec(appMetricsDesc[poolSubsystem][overallNodeRequestsMetric]),
currentErrors: newGaugeVec(appMetricsDesc[poolSubsystem][currentErrorMetric]),
requestDuration: newGaugeVec(appMetricsDesc[poolSubsystem][avgRequestDurationMetric]),
}
}