metrics: register skipper_filter_create_duration_seconds

Follow up on #3115 Signed-off-by: Alexander Yastrebov <alexander.yastrebov@zalando.de>
zalando · Jun 26, 2024 · 0d98653 · 0d98653
1 parent 87d5b6b
commit 0d98653
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diff --git a/metrics/prometheus.go b/metrics/prometheus.go
@@ -280,6 +280,7 @@ func (p *Prometheus) registerMetrics() {
 	p.registry.MustRegister(p.routeLookupM)
 	p.registry.MustRegister(p.responseM)
 	p.registry.MustRegister(p.routeErrorsM)
+	p.registry.MustRegister(p.filterCreateM)
 	p.registry.MustRegister(p.filterRequestM)
 	p.registry.MustRegister(p.filterAllRequestM)
 	p.registry.MustRegister(p.filterAllCombinedRequestM)

diff --git a/metrics/prometheus_test.go b/metrics/prometheus_test.go
@@ -73,6 +73,29 @@ func TestPrometheusMetrics(t *testing.T) {
 			},
 			expCode: http.StatusOK,
 		},
+		{
+			name: "Filter creation latency",
+			addMetrics: func(pm *metrics.Prometheus) {
+				pm.MeasureFilterCreate("filter1", time.Now().Add(-15*time.Millisecond))
+			},
+			expMetrics: []string{
+				`skipper_filter_create_duration_seconds_bucket{filter="filter1",le="0.005"} 0`,
+				`skipper_filter_create_duration_seconds_bucket{filter="filter1",le="0.01"} 0`,
+				`skipper_filter_create_duration_seconds_bucket{filter="filter1",le="0.025"} 1`,
+				`skipper_filter_create_duration_seconds_bucket{filter="filter1",le="0.05"} 1`,
+				`skipper_filter_create_duration_seconds_bucket{filter="filter1",le="0.1"} 1`,
+				`skipper_filter_create_duration_seconds_bucket{filter="filter1",le="0.25"} 1`,
+				`skipper_filter_create_duration_seconds_bucket{filter="filter1",le="0.5"} 1`,
+				`skipper_filter_create_duration_seconds_bucket{filter="filter1",le="1"} 1`,
+				`skipper_filter_create_duration_seconds_bucket{filter="filter1",le="2.5"} 1`,
+				`skipper_filter_create_duration_seconds_bucket{filter="filter1",le="5"} 1`,
+				`skipper_filter_create_duration_seconds_bucket{filter="filter1",le="10"} 1`,
+				`skipper_filter_create_duration_seconds_bucket{filter="filter1",le="+Inf"} 1`,
+				`skipper_filter_create_duration_seconds_sum{filter="filter1"} 0.015`,
+				`skipper_filter_create_duration_seconds_count{filter="filter1"} 1`,
+			},
+			expCode: http.StatusOK,
+		},
 		{
 			name: "Measuring the filter requests should get the duration of the filter requests.",
 			addMetrics: func(pm *metrics.Prometheus) {