TrueCloudLab/frostfs-s3-gw
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[#91] Update values for health metric

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Signed-off-by: Denis Kirillov <d.kirillov@yadro.com>
This commit is contained in:
Denis Kirillov 2023-04-17 16:15:11 +03:00
parent a5c89b78bc
commit 17b8905b24
4 changed files with 16 additions and 4 deletions
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1
CHANGELOG.md
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@ -29,6 +29,7 @@ This document outlines major changes between releases.
- Limit number of objects to delete at one time (TrueCloudLab#37) - Limit number of objects to delete at one time (TrueCloudLab#37)
- CompleteMultipartUpload handler now sends whitespace characters to keep alive client's connection (#60) - CompleteMultipartUpload handler now sends whitespace characters to keep alive client's connection (#60)
- Support new system attributes (#64) - Support new system attributes (#64)
- Changed values for `frostfs_s3_gw_state_health` metric (#91)
## [0.26.0] - 2022-12-28 ## [0.26.0] - 2022-12-28

3
cmd/s3-gw/app.go
View file

@ -182,6 +182,7 @@ func (a *App) initAPI(ctx context.Context) {
func (a *App) initMetrics() { func (a *App) initMetrics() {
a.metrics = metrics.NewAppMetrics(a.log, frostfs.NewPoolStatistic(a.pool), a.cfg.GetBool(cfgPrometheusEnabled)) a.metrics = metrics.NewAppMetrics(a.log, frostfs.NewPoolStatistic(a.pool), a.cfg.GetBool(cfgPrometheusEnabled))
a.metrics.SetHealth(metrics.HealthStatusStarting)
} }
func (a *App) initResolver() { func (a *App) initResolver() {
@ -369,7 +370,7 @@ func (a *App) Wait() {
} }
func (a *App) setHealthStatus() { func (a *App) setHealthStatus() {
a.metrics.SetHealth(1) a.metrics.SetHealth(metrics.HealthStatusReady)
} }
// Serve runs HTTP server to handle S3 API requests. // Serve runs HTTP server to handle S3 API requests.

4
metrics/app.go
View file

@ -37,7 +37,7 @@ func (m *AppMetrics) SetEnabled(enabled bool) {
m.mu.Unlock() m.mu.Unlock()
} }
func (m *AppMetrics) SetHealth(status int32) { func (m *AppMetrics) SetHealth(status HealthStatus) {
if !m.isEnabled() { if !m.isEnabled() {
return return
} }
@ -48,7 +48,7 @@ func (m *AppMetrics) SetHealth(status int32) {
func (m *AppMetrics) Shutdown() { func (m *AppMetrics) Shutdown() {
m.mu.Lock() m.mu.Lock()
if m.enabled { if m.enabled {
m.gate.State.SetHealth(0) m.gate.State.SetHealth(HealthStatusShuttingDown)
m.enabled = false m.enabled = false
} }
m.gate.Unregister() m.gate.Unregister()

12
metrics/state.go
View file

@ -4,6 +4,16 @@ import "github.com/prometheus/client_golang/prometheus"
const stateSubsystem = "state" const stateSubsystem = "state"
// HealthStatus of the gate application.
type HealthStatus int32
const (
HealthStatusUndefined HealthStatus = 0
HealthStatusStarting HealthStatus = 1
HealthStatusReady HealthStatus = 2
HealthStatusShuttingDown HealthStatus = 3
)
type stateMetrics struct { type stateMetrics struct {
healthCheck prometheus.Gauge healthCheck prometheus.Gauge
} }
@ -27,6 +37,6 @@ func (m stateMetrics) unregister() {
prometheus.Unregister(m.healthCheck) prometheus.Unregister(m.healthCheck)
} }
func (m stateMetrics) SetHealth(s int32) { func (m stateMetrics) SetHealth(s HealthStatus) {
m.healthCheck.Set(float64(s)) m.healthCheck.Set(float64(s))
} }