wangbo
e05922b0f4
实现本地三节点 K3s 同构环境、脱敏生产快照、Gemini 图片和多参考图视频协议模拟、统一验收报告及故障注入。\n\n新增 Worker 容量控制器、资源与连接预算、任务恢复保护，并将生产验收拆分为 validation 执行和人工 CAS 放量。\n\n验证包括 Go 全量测试、PostgreSQL HTTP 集成测试、go vet、OpenAPI、ShellCheck、前端检查、迁移及发布脚本测试。
483 lines
23 KiB
Go
483 lines
23 KiB
Go
package securityevents
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import (
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"context"
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"errors"
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"fmt"
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"net/http"
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"sync/atomic"
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"time"
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"github.com/easyai/easyai-ai-gateway/apps/api/internal/store"
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)
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type MetricsSnapshotProvider interface {
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SecurityEventMetrics(context.Context, string, string) (string, *time.Time, error)
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}
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type DynamicMetricsSnapshotProvider interface {
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MetricsSnapshotProvider
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SecurityEventConnection(context.Context) (store.SecurityEventConnection, error)
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BillingMetrics(context.Context) (store.BillingMetricsSnapshot, error)
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}
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type Metrics struct {
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accepted atomic.Uint64
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rejected atomic.Uint64
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duplicate atomic.Uint64
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sessionsDeleted atomic.Uint64
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watermarkRejected atomic.Uint64
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verificationAccepted atomic.Uint64
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heartbeatAccepted atomic.Uint64
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heartbeatFailed atomic.Uint64
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introspectionActive atomic.Uint64
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introspectionInactive atomic.Uint64
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introspectionFailed atomic.Uint64
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jwksSSFFailed atomic.Uint64
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jwksOIDCFailed atomic.Uint64
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processingCount atomic.Uint64
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processingNanos atomic.Uint64
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processingBuckets [6]atomic.Uint64
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billingSettlementCompleted atomic.Uint64
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billingSettlementRetry atomic.Uint64
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billingManualReview atomic.Uint64
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billingEstimateFailed atomic.Uint64
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billingIdempotentReplay atomic.Uint64
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billingPricingUnavailable atomic.Uint64
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asyncWorkerCapacity atomic.Int64
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asyncWorkerDesiredCapacity atomic.Int64
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asyncWorkerHardLimit atomic.Int64
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asyncWorkerCapacityCapped atomic.Int64
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asyncWorkerActiveInstances atomic.Int64
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asyncWorkerGlobalCapacity atomic.Int64
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asyncWorkerAllocated atomic.Int64
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asyncWorkerResizeSuccess atomic.Uint64
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asyncWorkerRefreshFailed atomic.Uint64
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asyncWorkerCreateFailed atomic.Uint64
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asyncWorkerStartFailed atomic.Uint64
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leaseRenewalSuccess atomic.Uint64
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leaseRenewalFailure atomic.Uint64
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leaseRenewalLost atomic.Uint64
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taskEventDuplicate atomic.Uint64
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taskEventUnknownType atomic.Uint64
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taskEventBudgetExceeded atomic.Uint64
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taskAdmissionAdmitted atomic.Uint64
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taskAdmissionQueueFull atomic.Uint64
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taskAdmissionTimeout atomic.Uint64
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taskAdmissionCancelled atomic.Uint64
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taskAdmissionExpired atomic.Uint64
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taskAdmissionMigrated atomic.Uint64
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taskAdmissionWaitBuckets [11]atomic.Uint64
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taskAdmissionWaitMicros atomic.Uint64
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}
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var processingDurationBounds = [...]time.Duration{
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10 * time.Millisecond, 50 * time.Millisecond, 100 * time.Millisecond,
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500 * time.Millisecond, time.Second, 3 * time.Second,
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}
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var taskAdmissionWaitBounds = [...]time.Duration{
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time.Second,
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5 * time.Second,
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15 * time.Second,
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30 * time.Second,
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time.Minute,
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2 * time.Minute,
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5 * time.Minute,
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10 * time.Minute,
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30 * time.Minute,
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time.Hour,
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}
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func (m *Metrics) ObserveReceipt(outcome string, duration time.Duration, sessionsDeleted int64) {
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switch outcome {
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case "accepted":
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m.accepted.Add(1)
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case "duplicate":
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m.duplicate.Add(1)
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default:
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m.rejected.Add(1)
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}
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if sessionsDeleted > 0 {
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m.sessionsDeleted.Add(uint64(sessionsDeleted))
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}
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if duration < 0 {
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duration = 0
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}
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m.processingCount.Add(1)
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m.processingNanos.Add(uint64(duration))
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for index, bound := range processingDurationBounds {
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if duration <= bound {
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m.processingBuckets[index].Add(1)
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}
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}
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}
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func (m *Metrics) ObserveWatermarkRejection() { m.watermarkRejected.Add(1) }
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func (m *Metrics) ObserveVerificationAccepted() { m.verificationAccepted.Add(1) }
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func (m *Metrics) ObserveHeartbeat(outcome string) {
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if outcome == "accepted" {
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m.heartbeatAccepted.Add(1)
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return
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}
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m.heartbeatFailed.Add(1)
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}
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func (m *Metrics) ObserveIntrospection(outcome string) {
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switch outcome {
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case "active":
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m.introspectionActive.Add(1)
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case "inactive":
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m.introspectionInactive.Add(1)
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default:
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m.introspectionFailed.Add(1)
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}
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}
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func (m *Metrics) ObserveJWKSRefreshFailure(source string) {
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if source == "ssf" {
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m.jwksSSFFailed.Add(1)
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return
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}
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m.jwksOIDCFailed.Add(1)
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}
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func (m *Metrics) ObserveBillingEvent(event string) {
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switch event {
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case "settlement_completed":
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m.billingSettlementCompleted.Add(1)
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case "settlement_retry":
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m.billingSettlementRetry.Add(1)
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case "manual_review":
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m.billingManualReview.Add(1)
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case "estimate_failed":
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m.billingEstimateFailed.Add(1)
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case "idempotent_replay":
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m.billingIdempotentReplay.Add(1)
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case "pricing_unavailable":
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m.billingPricingUnavailable.Add(1)
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}
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}
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func (m *Metrics) SetAsyncWorkerCapacity(current, desired, hardLimit int, capped bool) {
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m.asyncWorkerCapacity.Store(int64(current))
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m.asyncWorkerDesiredCapacity.Store(int64(desired))
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m.asyncWorkerHardLimit.Store(int64(hardLimit))
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cappedValue := int64(0)
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if capped {
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cappedValue = 1
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}
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m.asyncWorkerCapacityCapped.Store(cappedValue)
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}
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func (m *Metrics) SetDistributedWorkerCapacity(activeInstances, globalCapacity, allocatedCapacity int) {
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m.asyncWorkerActiveInstances.Store(int64(activeInstances))
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m.asyncWorkerGlobalCapacity.Store(int64(globalCapacity))
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m.asyncWorkerAllocated.Store(int64(allocatedCapacity))
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}
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func (m *Metrics) ObserveTaskAdmission(event string) {
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switch event {
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case "admitted":
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m.taskAdmissionAdmitted.Add(1)
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case "queue_full":
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m.taskAdmissionQueueFull.Add(1)
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case "timeout":
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m.taskAdmissionTimeout.Add(1)
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case "cancelled":
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m.taskAdmissionCancelled.Add(1)
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case "expired":
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m.taskAdmissionExpired.Add(1)
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case "candidate_migrated":
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m.taskAdmissionMigrated.Add(1)
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}
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}
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func (m *Metrics) ObserveTaskAdmissionWait(wait time.Duration) {
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if wait < 0 {
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wait = 0
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}
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for index, bound := range taskAdmissionWaitBounds {
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if wait <= bound {
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m.taskAdmissionWaitBuckets[index].Add(1)
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}
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}
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m.taskAdmissionWaitBuckets[len(m.taskAdmissionWaitBuckets)-1].Add(1)
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m.taskAdmissionWaitMicros.Add(uint64(wait / time.Microsecond))
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}
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func (m *Metrics) ObserveAsyncWorkerResize(outcome string) {
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switch outcome {
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case "success":
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m.asyncWorkerResizeSuccess.Add(1)
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case "refresh_failed":
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m.asyncWorkerRefreshFailed.Add(1)
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case "create_failed":
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m.asyncWorkerCreateFailed.Add(1)
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case "start_failed":
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m.asyncWorkerStartFailed.Add(1)
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}
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}
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func (m *Metrics) ObserveConcurrencyLeaseRenewal(outcome string) {
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switch outcome {
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case "success":
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m.leaseRenewalSuccess.Add(1)
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case "lost":
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m.leaseRenewalLost.Add(1)
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default:
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m.leaseRenewalFailure.Add(1)
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}
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}
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func (m *Metrics) ObserveTaskEventSkip(reason string) {
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switch reason {
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case "duplicate":
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m.taskEventDuplicate.Add(1)
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case "budget_exceeded":
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m.taskEventBudgetExceeded.Add(1)
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default:
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m.taskEventUnknownType.Add(1)
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}
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}
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func (m *Metrics) Handler(provider MetricsSnapshotProvider, issuer, audience string, enabled bool) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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mode := "disabled"
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var lastVerificationAt *time.Time
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if enabled {
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ctx, cancel := context.WithTimeout(r.Context(), 2*time.Second)
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defer cancel()
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var err error
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mode, lastVerificationAt, err = provider.SecurityEventMetrics(ctx, issuer, audience)
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if err != nil {
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http.Error(w, "metrics unavailable", http.StatusServiceUnavailable)
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return
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}
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}
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billing := store.BillingMetricsSnapshot{}
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if billingProvider, ok := provider.(interface {
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BillingMetrics(context.Context) (store.BillingMetricsSnapshot, error)
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}); ok {
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var err error
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billing, err = billingProvider.BillingMetrics(r.Context())
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if err != nil {
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http.Error(w, "metrics unavailable", http.StatusServiceUnavailable)
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return
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}
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}
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admission := store.TaskAdmissionMetricsSnapshot{}
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if admissionProvider, ok := provider.(interface {
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TaskAdmissionMetrics(context.Context) (store.TaskAdmissionMetricsSnapshot, error)
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}); ok {
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var err error
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admission, err = admissionProvider.TaskAdmissionMetrics(r.Context())
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if err != nil {
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http.Error(w, "metrics unavailable", http.StatusServiceUnavailable)
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return
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}
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}
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postgresPool := store.PostgresPoolMetricsSnapshot{}
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if poolProvider, ok := provider.(interface {
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PostgresPoolMetrics() store.PostgresPoolMetricsSnapshot
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}); ok {
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postgresPool = poolProvider.PostgresPoolMetrics()
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}
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criticalPostgresPool := store.PostgresPoolMetricsSnapshot{}
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if poolProvider, ok := provider.(interface {
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CriticalPostgresPoolMetrics() store.PostgresPoolMetricsSnapshot
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}); ok {
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criticalPostgresPool = poolProvider.CriticalPostgresPoolMetrics()
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}
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riverPostgresPool := store.PostgresPoolMetricsSnapshot{}
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if poolProvider, ok := provider.(interface {
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RiverPostgresPoolMetrics() store.PostgresPoolMetricsSnapshot
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}); ok {
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riverPostgresPool = poolProvider.RiverPostgresPoolMetrics()
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}
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w.Header().Set("Content-Type", "text/plain; version=0.0.4; charset=utf-8")
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outcomeCounters(w, "easyai_gateway_ssf_receipts_total", "Received SETs by bounded outcome.", []outcomeValue{
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{"accepted", m.accepted.Load()}, {"rejected", m.rejected.Load()}, {"duplicate", m.duplicate.Load()},
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})
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plainCounter(w, "easyai_gateway_ssf_sessions_deleted_total", "OIDC browser sessions deleted by accepted session-revoked events.", m.sessionsDeleted.Load())
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plainCounter(w, "easyai_gateway_ssf_watermark_rejections_total", "OIDC access tokens rejected by a local revocation watermark.", m.watermarkRejected.Load())
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plainCounter(w, "easyai_gateway_ssf_verifications_total", "Valid verification SETs accepted by the receiver.", m.verificationAccepted.Load())
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outcomeCounters(w, "easyai_gateway_ssf_heartbeat_requests_total", "Verification requests by bounded outcome.", []outcomeValue{
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{"accepted", m.heartbeatAccepted.Load()}, {"failed", m.heartbeatFailed.Load()},
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})
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outcomeCounters(w, "easyai_gateway_oidc_introspection_total", "OIDC introspection requests by bounded outcome.", []outcomeValue{
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{"active", m.introspectionActive.Load()}, {"inactive", m.introspectionInactive.Load()}, {"failed", m.introspectionFailed.Load()},
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})
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outcomeCounters(w, "easyai_gateway_jwks_refresh_failures_total", "JWKS refresh failures by bounded source.", []outcomeValue{
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{"ssf", m.jwksSSFFailed.Load()}, {"oidc", m.jwksOIDCFailed.Load()},
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})
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fmt.Fprintln(w, "# HELP easyai_gateway_ssf_processing_duration_seconds SSF receiver transaction processing time.")
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fmt.Fprintln(w, "# TYPE easyai_gateway_ssf_processing_duration_seconds histogram")
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for index, bound := range processingDurationBounds {
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fmt.Fprintf(w, "easyai_gateway_ssf_processing_duration_seconds_bucket{le=\"%.2f\"} %d\n", bound.Seconds(), m.processingBuckets[index].Load())
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}
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fmt.Fprintf(w, "easyai_gateway_ssf_processing_duration_seconds_bucket{le=\"+Inf\"} %d\n", m.processingCount.Load())
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fmt.Fprintf(w, "easyai_gateway_ssf_processing_duration_seconds_sum %.6f\n", float64(m.processingNanos.Load())/float64(time.Second))
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fmt.Fprintf(w, "easyai_gateway_ssf_processing_duration_seconds_count %d\n", m.processingCount.Load())
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verificationAge := float64(0)
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if lastVerificationAt != nil {
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verificationAge = time.Since(*lastVerificationAt).Seconds()
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if verificationAge < 0 {
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verificationAge = 0
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}
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}
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fmt.Fprintln(w, "# HELP easyai_gateway_ssf_verification_age_seconds Seconds since the last matched verification SET.")
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fmt.Fprintln(w, "# TYPE easyai_gateway_ssf_verification_age_seconds gauge")
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fmt.Fprintf(w, "easyai_gateway_ssf_verification_age_seconds %.6f\n", verificationAge)
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fmt.Fprintln(w, "# HELP easyai_gateway_ssf_mode Current SSF receiver mode as a one-hot gauge.")
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fmt.Fprintln(w, "# TYPE easyai_gateway_ssf_mode gauge")
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for _, modeName := range []string{"disabled", "bootstrap", "push_healthy", "introspection_fallback"} {
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value := 0
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if mode == modeName {
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value = 1
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}
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fmt.Fprintf(w, "easyai_gateway_ssf_mode{mode=\"%s\"} %d\n", modeName, value)
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}
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fmt.Fprintln(w, "# HELP easyai_gateway_billing_settlement_backlog Current unsettled Outbox records.")
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fmt.Fprintln(w, "# TYPE easyai_gateway_billing_settlement_backlog gauge")
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fmt.Fprintf(w, "easyai_gateway_billing_settlement_backlog %d\n", billing.SettlementBacklog)
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fmt.Fprintln(w, "# HELP easyai_gateway_billing_settlement_delay_seconds Age of the oldest unsettled Outbox record.")
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fmt.Fprintln(w, "# TYPE easyai_gateway_billing_settlement_delay_seconds gauge")
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fmt.Fprintf(w, "easyai_gateway_billing_settlement_delay_seconds %.6f\n", billing.SettlementDelaySecs)
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fmt.Fprintln(w, "# HELP easyai_gateway_billing_manual_review Current billing records requiring manual review.")
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fmt.Fprintln(w, "# TYPE easyai_gateway_billing_manual_review gauge")
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fmt.Fprintf(w, "easyai_gateway_billing_manual_review %d\n", billing.ManualReview)
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fmt.Fprintln(w, "# HELP easyai_gateway_billing_orphan_frozen Wallets whose frozen amount differs from active reservations.")
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fmt.Fprintln(w, "# TYPE easyai_gateway_billing_orphan_frozen gauge")
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fmt.Fprintf(w, "easyai_gateway_billing_orphan_frozen %d\n", billing.OrphanFrozen)
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fmt.Fprintln(w, "# HELP easyai_gateway_billing_pricing_unavailable_tasks Current tasks rejected because no effective price was available.")
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fmt.Fprintln(w, "# TYPE easyai_gateway_billing_pricing_unavailable_tasks gauge")
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fmt.Fprintf(w, "easyai_gateway_billing_pricing_unavailable_tasks %d\n", billing.PricingUnavailable)
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plainCounter(w, "easyai_gateway_billing_settlements_completed_total", "Billing settlements completed by this process.", m.billingSettlementCompleted.Load())
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plainCounter(w, "easyai_gateway_billing_settlement_retries_total", "Billing settlement retries scheduled by this process.", m.billingSettlementRetry.Load())
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plainCounter(w, "easyai_gateway_billing_manual_review_transitions_total", "Billing records transitioned to manual review by this process.", m.billingManualReview.Load())
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plainCounter(w, "easyai_gateway_billing_estimate_failures_total", "Pricing estimate requests that failed.", m.billingEstimateFailed.Load())
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plainCounter(w, "easyai_gateway_billing_idempotent_replays_total", "Generation requests replayed idempotently.", m.billingIdempotentReplay.Load())
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plainCounter(w, "easyai_gateway_billing_pricing_unavailable_total", "Pricing requests rejected because no effective price was available.", m.billingPricingUnavailable.Load())
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plainGauge(w, "easyai_gateway_async_worker_capacity", "Current River asynchronous worker capacity.", m.asyncWorkerCapacity.Load())
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plainGauge(w, "easyai_gateway_async_worker_desired_capacity", "Uncapped asynchronous worker capacity derived from model and user-group policies.", m.asyncWorkerDesiredCapacity.Load())
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plainGauge(w, "easyai_gateway_async_worker_hard_limit", "Per-process asynchronous worker safety limit.", m.asyncWorkerHardLimit.Load())
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plainGauge(w, "easyai_gateway_async_worker_capacity_capped", "Whether desired asynchronous worker capacity is capped by the hard limit.", m.asyncWorkerCapacityCapped.Load())
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plainGauge(w, "easyai_gateway_worker_active_instances", "Active distributed worker instances with a fresh heartbeat.", m.asyncWorkerActiveInstances.Load())
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plainGauge(w, "easyai_gateway_worker_global_capacity", "Global asynchronous execution capacity before instance allocation.", m.asyncWorkerGlobalCapacity.Load())
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plainGauge(w, "easyai_gateway_worker_allocated_capacity", "Asynchronous execution capacity allocated to this worker instance.", m.asyncWorkerAllocated.Load())
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plainGauge(w, "easyai_gateway_postgres_pool_max_connections", "Maximum PostgreSQL connections in this process pool.", int64(postgresPool.MaxConnections))
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plainGauge(w, "easyai_gateway_postgres_pool_total_connections", "Current PostgreSQL connections in this process pool.", int64(postgresPool.TotalConnections))
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plainGauge(w, "easyai_gateway_postgres_pool_acquired_connections", "Currently acquired PostgreSQL connections in this process pool.", int64(postgresPool.AcquiredConnections))
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plainGauge(w, "easyai_gateway_postgres_pool_idle_connections", "Currently idle PostgreSQL connections in this process pool.", int64(postgresPool.IdleConnections))
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plainCounter(w, "easyai_gateway_postgres_pool_empty_acquire_total", "Pool acquires that had to wait for a PostgreSQL connection.", uint64(max(postgresPool.EmptyAcquireCount, 0)))
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plainCounter(w, "easyai_gateway_postgres_pool_canceled_acquire_total", "Canceled PostgreSQL pool acquires.", uint64(max(postgresPool.CanceledAcquireCount, 0)))
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plainGauge(w, "easyai_gateway_postgres_critical_pool_max_connections", "Maximum PostgreSQL connections reserved for leases and coordination.", int64(criticalPostgresPool.MaxConnections))
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plainGauge(w, "easyai_gateway_postgres_critical_pool_total_connections", "Current PostgreSQL connections in the leases and coordination pool.", int64(criticalPostgresPool.TotalConnections))
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plainGauge(w, "easyai_gateway_postgres_critical_pool_acquired_connections", "Currently acquired PostgreSQL connections in the leases and coordination pool.", int64(criticalPostgresPool.AcquiredConnections))
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plainGauge(w, "easyai_gateway_postgres_critical_pool_idle_connections", "Currently idle PostgreSQL connections in the leases and coordination pool.", int64(criticalPostgresPool.IdleConnections))
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plainCounter(w, "easyai_gateway_postgres_critical_pool_empty_acquire_total", "Coordination pool acquires that had to wait for a PostgreSQL connection.", uint64(max(criticalPostgresPool.EmptyAcquireCount, 0)))
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plainCounter(w, "easyai_gateway_postgres_critical_pool_canceled_acquire_total", "Canceled PostgreSQL coordination pool acquires.", uint64(max(criticalPostgresPool.CanceledAcquireCount, 0)))
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plainGauge(w, "easyai_gateway_postgres_river_pool_max_connections", "Maximum PostgreSQL connections reserved for River queue coordination.", int64(riverPostgresPool.MaxConnections))
|
|
plainGauge(w, "easyai_gateway_postgres_river_pool_total_connections", "Current PostgreSQL connections in the River queue pool.", int64(riverPostgresPool.TotalConnections))
|
|
plainGauge(w, "easyai_gateway_postgres_river_pool_acquired_connections", "Currently acquired PostgreSQL connections in the River queue pool.", int64(riverPostgresPool.AcquiredConnections))
|
|
plainGauge(w, "easyai_gateway_postgres_river_pool_idle_connections", "Currently idle PostgreSQL connections in the River queue pool.", int64(riverPostgresPool.IdleConnections))
|
|
plainCounter(w, "easyai_gateway_postgres_river_pool_empty_acquire_total", "River queue pool acquires that had to wait for a PostgreSQL connection.", uint64(max(riverPostgresPool.EmptyAcquireCount, 0)))
|
|
plainCounter(w, "easyai_gateway_postgres_river_pool_canceled_acquire_total", "Canceled PostgreSQL River queue pool acquires.", uint64(max(riverPostgresPool.CanceledAcquireCount, 0)))
|
|
outcomeCounters(w, "easyai_gateway_async_worker_resizes_total", "Asynchronous worker resize attempts by bounded outcome.", []outcomeValue{
|
|
{"success", m.asyncWorkerResizeSuccess.Load()},
|
|
{"refresh_failed", m.asyncWorkerRefreshFailed.Load()},
|
|
{"create_failed", m.asyncWorkerCreateFailed.Load()},
|
|
{"start_failed", m.asyncWorkerStartFailed.Load()},
|
|
})
|
|
outcomeCounters(w, "easyai_gateway_concurrency_lease_renewals_total", "Concurrency lease renewals by bounded outcome.", []outcomeValue{
|
|
{"success", m.leaseRenewalSuccess.Load()},
|
|
{"failure", m.leaseRenewalFailure.Load()},
|
|
{"lost", m.leaseRenewalLost.Load()},
|
|
})
|
|
outcomeCounters(w, "easyai_gateway_task_events_skipped_total", "Task events skipped before persistence by bounded reason.", []outcomeValue{
|
|
{"duplicate", m.taskEventDuplicate.Load()},
|
|
{"unknown_type", m.taskEventUnknownType.Load()},
|
|
{"budget_exceeded", m.taskEventBudgetExceeded.Load()},
|
|
})
|
|
plainGauge(w, "easyai_gateway_task_admission_queue_depth", "Current persistent non-text task admission queue depth.", int64(admission.QueueDepth))
|
|
plainGauge(w, "easyai_gateway_task_admission_waiting_sync", "Current synchronous admission waiters.", int64(admission.WaitingSync))
|
|
plainGauge(w, "easyai_gateway_task_admission_waiting_async", "Current asynchronous admission waiters.", int64(admission.WaitingAsync))
|
|
plainFloatGauge(w, "easyai_gateway_task_admission_oldest_wait_seconds", "Age of the oldest persistent admission waiter.", admission.OldestWaitSeconds)
|
|
plainGauge(w, "easyai_gateway_task_admission_expired_waiter_backlog", "Expired synchronous waiter leases awaiting reclamation.", int64(admission.ExpiredWaiterBacklog))
|
|
plainGauge(w, "easyai_gateway_task_admission_expired_deadline_backlog", "Expired queue deadlines awaiting reclamation.", int64(admission.ExpiredDeadlineBacklog))
|
|
outcomeCounters(w, "easyai_gateway_task_admissions_total", "Task admission transitions by bounded outcome.", []outcomeValue{
|
|
{"admitted", m.taskAdmissionAdmitted.Load()},
|
|
{"queue_full", m.taskAdmissionQueueFull.Load()},
|
|
{"timeout", m.taskAdmissionTimeout.Load()},
|
|
{"cancelled", m.taskAdmissionCancelled.Load()},
|
|
{"expired", m.taskAdmissionExpired.Load()},
|
|
{"candidate_migrated", m.taskAdmissionMigrated.Load()},
|
|
})
|
|
taskAdmissionWaitHistogram(w, m)
|
|
})
|
|
}
|
|
|
|
func (m *Metrics) DynamicHandler(provider DynamicMetricsSnapshotProvider) http.Handler {
|
|
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
|
connection, err := provider.SecurityEventConnection(r.Context())
|
|
if errors.Is(err, store.ErrSecurityEventConnectionNotFound) {
|
|
m.Handler(provider, "", "", false).ServeHTTP(w, r)
|
|
return
|
|
}
|
|
if err != nil {
|
|
http.Error(w, "metrics unavailable", http.StatusServiceUnavailable)
|
|
return
|
|
}
|
|
if connection.Audience == nil {
|
|
m.Handler(provider, "", "", false).ServeHTTP(w, r)
|
|
return
|
|
}
|
|
m.Handler(provider, connection.TransmitterIssuer, *connection.Audience, true).ServeHTTP(w, r)
|
|
})
|
|
}
|
|
|
|
type outcomeValue struct {
|
|
name string
|
|
value uint64
|
|
}
|
|
|
|
func outcomeCounters(w http.ResponseWriter, name, help string, values []outcomeValue) {
|
|
fmt.Fprintf(w, "# HELP %s %s\n# TYPE %s counter\n", name, help, name)
|
|
for _, value := range values {
|
|
fmt.Fprintf(w, "%s{outcome=\"%s\"} %d\n", name, value.name, value.value)
|
|
}
|
|
}
|
|
|
|
func plainCounter(w http.ResponseWriter, name, help string, value uint64) {
|
|
fmt.Fprintf(w, "# HELP %s %s\n# TYPE %s counter\n%s %d\n", name, help, name, name, value)
|
|
}
|
|
|
|
func plainGauge(w http.ResponseWriter, name, help string, value int64) {
|
|
fmt.Fprintf(w, "# HELP %s %s\n# TYPE %s gauge\n%s %d\n", name, help, name, name, value)
|
|
}
|
|
|
|
func plainFloatGauge(w http.ResponseWriter, name, help string, value float64) {
|
|
fmt.Fprintf(w, "# HELP %s %s\n# TYPE %s gauge\n%s %.6f\n", name, help, name, name, value)
|
|
}
|
|
|
|
func taskAdmissionWaitHistogram(w http.ResponseWriter, metrics *Metrics) {
|
|
const name = "easyai_gateway_task_admission_wait_seconds"
|
|
fmt.Fprintf(w, "# HELP %s Time spent waiting for persistent task admission.\n# TYPE %s histogram\n", name, name)
|
|
for index, bound := range taskAdmissionWaitBounds {
|
|
fmt.Fprintf(
|
|
w,
|
|
"%s_bucket{le=\"%g\"} %d\n",
|
|
name,
|
|
bound.Seconds(),
|
|
metrics.taskAdmissionWaitBuckets[index].Load(),
|
|
)
|
|
}
|
|
count := metrics.taskAdmissionWaitBuckets[len(metrics.taskAdmissionWaitBuckets)-1].Load()
|
|
fmt.Fprintf(w, "%s_bucket{le=\"+Inf\"} %d\n", name, count)
|
|
fmt.Fprintf(w, "%s_sum %.6f\n", name, float64(metrics.taskAdmissionWaitMicros.Load())/1_000_000)
|
|
fmt.Fprintf(w, "%s_count %d\n", name, count)
|
|
}
|