feat(coderd): add prometheus metrics to servertailnet (#11988)

This commit is contained in:
Colin Adler
2024-02-05 23:57:18 -06:00
committed by GitHub
parent c84a637116
commit c7f52b73bb
5 changed files with 165 additions and 62 deletions

View File

@ -6,7 +6,6 @@ import (
"testing"
"github.com/prometheus/client_golang/prometheus"
dto "github.com/prometheus/client_model/go"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
@ -43,8 +42,8 @@ func TestPGPubsub_Metrics(t *testing.T) {
metrics, err := registry.Gather()
require.NoError(t, err)
require.True(t, gaugeHasValue(t, metrics, 0, "coder_pubsub_current_events"))
require.True(t, gaugeHasValue(t, metrics, 0, "coder_pubsub_current_subscribers"))
require.True(t, testutil.PromGaugeHasValue(t, metrics, 0, "coder_pubsub_current_events"))
require.True(t, testutil.PromGaugeHasValue(t, metrics, 0, "coder_pubsub_current_subscribers"))
event := "test"
data := "testing"
@ -63,14 +62,14 @@ func TestPGPubsub_Metrics(t *testing.T) {
require.Eventually(t, func() bool {
metrics, err = registry.Gather()
assert.NoError(t, err)
return gaugeHasValue(t, metrics, 1, "coder_pubsub_current_events") &&
gaugeHasValue(t, metrics, 1, "coder_pubsub_current_subscribers") &&
gaugeHasValue(t, metrics, 1, "coder_pubsub_connected") &&
counterHasValue(t, metrics, 1, "coder_pubsub_publishes_total", "true") &&
counterHasValue(t, metrics, 1, "coder_pubsub_subscribes_total", "true") &&
counterHasValue(t, metrics, 1, "coder_pubsub_messages_total", "normal") &&
counterHasValue(t, metrics, 7, "coder_pubsub_received_bytes_total") &&
counterHasValue(t, metrics, 7, "coder_pubsub_published_bytes_total")
return testutil.PromGaugeHasValue(t, metrics, 1, "coder_pubsub_current_events") &&
testutil.PromGaugeHasValue(t, metrics, 1, "coder_pubsub_current_subscribers") &&
testutil.PromGaugeHasValue(t, metrics, 1, "coder_pubsub_connected") &&
testutil.PromCounterHasValue(t, metrics, 1, "coder_pubsub_publishes_total", "true") &&
testutil.PromCounterHasValue(t, metrics, 1, "coder_pubsub_subscribes_total", "true") &&
testutil.PromCounterHasValue(t, metrics, 1, "coder_pubsub_messages_total", "normal") &&
testutil.PromCounterHasValue(t, metrics, 7, "coder_pubsub_received_bytes_total") &&
testutil.PromCounterHasValue(t, metrics, 7, "coder_pubsub_published_bytes_total")
}, testutil.WaitShort, testutil.IntervalFast)
colossalData := make([]byte, 7600)
@ -93,54 +92,14 @@ func TestPGPubsub_Metrics(t *testing.T) {
require.Eventually(t, func() bool {
metrics, err = registry.Gather()
assert.NoError(t, err)
return gaugeHasValue(t, metrics, 1, "coder_pubsub_current_events") &&
gaugeHasValue(t, metrics, 2, "coder_pubsub_current_subscribers") &&
gaugeHasValue(t, metrics, 1, "coder_pubsub_connected") &&
counterHasValue(t, metrics, 2, "coder_pubsub_publishes_total", "true") &&
counterHasValue(t, metrics, 2, "coder_pubsub_subscribes_total", "true") &&
counterHasValue(t, metrics, 1, "coder_pubsub_messages_total", "normal") &&
counterHasValue(t, metrics, 1, "coder_pubsub_messages_total", "colossal") &&
counterHasValue(t, metrics, 7607, "coder_pubsub_received_bytes_total") &&
counterHasValue(t, metrics, 7607, "coder_pubsub_published_bytes_total")
return testutil.PromGaugeHasValue(t, metrics, 1, "coder_pubsub_current_events") &&
testutil.PromGaugeHasValue(t, metrics, 2, "coder_pubsub_current_subscribers") &&
testutil.PromGaugeHasValue(t, metrics, 1, "coder_pubsub_connected") &&
testutil.PromCounterHasValue(t, metrics, 2, "coder_pubsub_publishes_total", "true") &&
testutil.PromCounterHasValue(t, metrics, 2, "coder_pubsub_subscribes_total", "true") &&
testutil.PromCounterHasValue(t, metrics, 1, "coder_pubsub_messages_total", "normal") &&
testutil.PromCounterHasValue(t, metrics, 1, "coder_pubsub_messages_total", "colossal") &&
testutil.PromCounterHasValue(t, metrics, 7607, "coder_pubsub_received_bytes_total") &&
testutil.PromCounterHasValue(t, metrics, 7607, "coder_pubsub_published_bytes_total")
}, testutil.WaitShort, testutil.IntervalFast)
}
func gaugeHasValue(t testing.TB, metrics []*dto.MetricFamily, value float64, name string, label ...string) bool {
t.Helper()
for _, family := range metrics {
if family.GetName() != name {
continue
}
ms := family.GetMetric()
for _, m := range ms {
require.Equal(t, len(label), len(m.GetLabel()))
for i, lv := range label {
if lv != m.GetLabel()[i].GetValue() {
continue
}
}
return value == m.GetGauge().GetValue()
}
}
return false
}
func counterHasValue(t testing.TB, metrics []*dto.MetricFamily, value float64, name string, label ...string) bool {
t.Helper()
for _, family := range metrics {
if family.GetName() != name {
continue
}
ms := family.GetMetric()
for _, m := range ms {
require.Equal(t, len(label), len(m.GetLabel()))
for i, lv := range label {
if lv != m.GetLabel()[i].GetValue() {
continue
}
}
return value == m.GetCounter().GetValue()
}
}
return false
}