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Добавлены метрики Prometheus и дашборды Grafana (этап 2.5)

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Все три Go-сервиса (ingest, device-control, rule-engine) отдают
/metrics в формате Prometheus: счётчики MQTT/RabbitMQ/ClickHouse
операций, гистограммы длительности батч-флашей и диспатча правил,
переходы устройств online/offline. Добавлены сервисы prometheus и
grafana в docker-compose с провижининг конфигом (datasource +
два готовых дашборда: "Ingest & Telemetry" и "Automation & Devices").
This commit is contained in:
cacto
2026-08-11 21:58:59 +05:00
parent 3ade5c2512
commit 81040eec62
31 changed files with 712 additions and 53 deletions
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services/rule-engine-service/internal/engine/engine_test.go
+30
View File
@@ -7,7 +7,10 @@ import (
"log/slog"
"testing"
"github.com/prometheus/client_golang/prometheus/testutil"
"git.cactoz.su/cacto/home_automatization/services/rule-engine-service/internal/devicecontrolclient"
"git.cactoz.su/cacto/home_automatization/services/rule-engine-service/internal/metrics"
"git.cactoz.su/cacto/home_automatization/services/rule-engine-service/internal/rules"
)
@@ -154,3 +157,30 @@ func TestHandleReading_InvalidOperatorSkipsRuleButContinues(t *testing.T) {
t.Fatalf("got dispatch calls %+v, want only the valid rule dispatched", dispatcher.calls)
}
}
func TestHandleReading_RecordsMetrics(t *testing.T) {
source := &fakeRuleSource{rules: []rules.Rule{
{ID: 1, ConditionOperator: ">", ConditionValue: 28, TargetDeviceID: "fan-1", ActionType: "turn_on"},
}}
dispatcher := &fakeDispatcher{result: devicecontrolclient.Result{Success: true}}
e := New(source, dispatcher, &fakePublisher{}, discardLogger())
triggeredCounter := metrics.RulesTriggered.WithLabelValues("turn_on", "success")
beforeConsumed := testutil.ToFloat64(metrics.ReadingsConsumed)
beforeMatched := testutil.ToFloat64(metrics.RulesMatched)
beforeTriggered := testutil.ToFloat64(triggeredCounter)
if err := e.HandleReading(context.Background(), Reading{Value: 30}); err != nil {
t.Fatalf("unexpected error: %v", err)
}
if got := testutil.ToFloat64(metrics.ReadingsConsumed); got != beforeConsumed+1 {
t.Fatalf("got readings_consumed %v, want %v", got, beforeConsumed+1)
}
if got := testutil.ToFloat64(metrics.RulesMatched); got != beforeMatched+1 {
t.Fatalf("got rules_matched %v, want %v", got, beforeMatched+1)
}
if got := testutil.ToFloat64(triggeredCounter); got != beforeTriggered+1 {
t.Fatalf("got rules_triggered{turn_on,success} %v, want %v", got, beforeTriggered+1)
}
}