fix(workflows): cap get-secrets histogram buckets in MetricViews

core/services/workflows/monitoring/metric_views_test.go

@@ -0,0 +1,47 @@
+package monitoring_test
+
+import (
+	"context"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"go.opentelemetry.io/otel/metric"
+	sdkmetric "go.opentelemetry.io/otel/sdk/metric"
+	"go.opentelemetry.io/otel/sdk/metric/metricdata"
+
+	"github.com/smartcontractkit/chainlink/v2/core/services/workflows/monitoring"
+)
+
+func TestMetricViews_getSecretsDurationBuckets(t *testing.T) {
+	t.Parallel()
+
+	wantBoundaries := []float64{0, 10, 50, 100, 250, 500, 1000}
+
+	reader := sdkmetric.NewManualReader()
+	mp := sdkmetric.NewMeterProvider(
+		sdkmetric.WithReader(reader),
+		sdkmetric.WithView(monitoring.MetricViews()...),
+	)
+	t.Cleanup(func() { _ = mp.Shutdown(context.Background()) })
+
+	hist, err := mp.Meter("test").Int64Histogram(
+		"platform_engine_get_secrets_duration_ms",
+		metric.WithUnit("ms"),
+	)
+	require.NoError(t, err)
+	hist.Record(context.Background(), 75)
+
+	var rm metricdata.ResourceMetrics
+	require.NoError(t, reader.Collect(context.Background(), &rm))
+
+	require.Len(t, rm.ScopeMetrics, 1)
+	require.Len(t, rm.ScopeMetrics[0].Metrics, 1)
+	require.Equal(t, "platform_engine_get_secrets_duration_ms", rm.ScopeMetrics[0].Metrics[0].Name)
+
+	data, ok := rm.ScopeMetrics[0].Metrics[0].Data.(metricdata.Histogram[int64])
+	require.True(t, ok)
+	require.Len(t, data.DataPoints, 1)
+	assert.Equal(t, wantBoundaries, data.DataPoints[0].Bounds)
+	assert.Len(t, data.DataPoints[0].Bounds, 7, "expected 7 boundaries (8 Prometheus buckets including +Inf)")
+}

core/services/workflows/monitoring/monitoring.go

@@ -490,6 +490,13 @@ func MetricViews() []sdkmetric.View {
 				Boundaries: []float64{0, 0.001, 0.005, 0.01, 0.025, 0.05, 0.1, 0.25, 0.5, 1, 2, 5, 10, 30, 60},
 			}},
 		),
+		// Default OTel buckets (16) for this instrument; Capabilities dashboards use p50/p90.
+		sdkmetric.NewView(
+			sdkmetric.Instrument{Name: "platform_engine_get_secrets_duration_ms"},
+			sdkmetric.Stream{Aggregation: sdkmetric.AggregationExplicitBucketHistogram{
+				Boundaries: []float64{0, 10, 50, 100, 250, 500, 1000},
+			}},
+		),
 	}
 }