frostfs-s3-gw/metrics/app.go

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package metrics
import (
"net/http"
"sync"
"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/internal/logs"
dto "github.com/prometheus/client_model/go"
"go.uber.org/zap"
)
type AppMetrics struct {
logger *zap.Logger
gate *GateMetrics
mu sync.RWMutex
enabled bool
}
func NewAppMetrics(logger *zap.Logger, poolStatistics StatisticScraper, enabled bool) *AppMetrics {
if !enabled {
logger.Warn(logs.MetricsAreDisabled)
}
return &AppMetrics{
logger: logger,
gate: NewGateMetrics(poolStatistics),
enabled: enabled,
}
}
func (m *AppMetrics) SetEnabled(enabled bool) {
if !enabled {
m.logger.Warn(logs.MetricsAreDisabled)
}
m.mu.Lock()
m.enabled = enabled
m.mu.Unlock()
}
func (m *AppMetrics) State() *StateMetrics {
if !m.isEnabled() {
return nil
}
return m.gate.State
}
func (m *AppMetrics) Shutdown() {
m.mu.Lock()
if m.enabled {
m.gate.State.SetHealth(HealthStatusShuttingDown)
m.enabled = false
}
m.gate.Unregister()
m.mu.Unlock()
}
func (m *AppMetrics) isEnabled() bool {
m.mu.RLock()
defer m.mu.RUnlock()
return m.enabled
}
func (m *AppMetrics) Handler() http.Handler {
return m.gate.Handler()
}
func (m *AppMetrics) Update(user, bucket, cnrID string, reqType RequestType, in, out uint64) {
if !m.isEnabled() {
return
}
m.gate.Billing.apiStat.Update(user, bucket, cnrID, reqType, in, out)
}
func (m *AppMetrics) Statistic() *APIStatMetrics {
if !m.isEnabled() {
return nil
}
return m.gate.Stats
}
func (m *AppMetrics) Gather() ([]*dto.MetricFamily, error) {
return m.gate.Gather()
}
func (m *AppMetrics) MarkHealthy(endpoint string) {
if !m.isEnabled() {
return
}
m.gate.HTTPServer.MarkHealthy(endpoint)
}
func (m *AppMetrics) MarkUnhealthy(endpoint string) {
if !m.isEnabled() {
return
}
m.gate.HTTPServer.MarkUnhealthy(endpoint)
}