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fix: insights metrics comparison #10800

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Merged
merged 2 commits into from
Nov 20, 2023
Merged

fix: insights metrics comparison #10800

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c104caa
fix: insights metrics comparison
mtojek Nov 20, 2023
0fc5f59
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mtojek Nov 20, 2023
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23 changes: 21 additions & 2 deletions coderd/prometheusmetrics/insights/metricscollector_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,6 @@ import (

func TestCollectInsights(t *testing.T) {
t.Parallel()
t.Skip("https://github.com/coder/coder/issues/10599#issuecomment-1815954166")

logger := slogtest.Make(t, &slogtest.Options{IgnoreErrors: true})
db, ps := dbtestutil.NewDB(t)
Expand Down Expand Up @@ -164,7 +163,7 @@ func TestCollectInsights(t *testing.T) {
}
}

return assert.ObjectsAreEqualValues(golden, collected)
return insightsMetricsAreEqual(golden, collected)
}, testutil.WaitMedium, testutil.IntervalFast, "template insights are inconsistent with golden files, got: %v", collected)
}

Expand Down Expand Up @@ -219,3 +218,23 @@ func provisionApplyWithAgentAndApp(authToken string) []*proto.Response {
},
}}
}

// insightsMetricsAreEqual patches collected metrics to be used
// in comparison with golden metrics using `assert.ObjectsAreEqualValues`.
// Collected metrics must be patched as sometimes they may slip
// due to timestamp truncation.
// See:
// https://github.com/coder/coder/blob/92ef0baff3b632c52c2335aae1d643a3cc49e26a/coderd/database/dbmem/dbmem.go#L2463
// https://github.com/coder/coder/blob/9b6433e3a7c788b7e87b7d8f539ea111957a0cf1/coderd/database/queries/insights.sql#L246
func insightsMetricsAreEqual(golden, collected map[string]int) bool {
greaterOrEqualKeys := []string{
"coderd_insights_applications_usage_seconds[application_name=Golden Slug,slug=golden-slug,template_name=golden-template]",
"coderd_insights_applications_usage_seconds[application_name=SSH,slug=,template_name=golden-template]",
}
for _, key := range greaterOrEqualKeys {
if v, ok := collected[key]; ok && v > golden[key] {
collected[key] = golden[key]
}
}
return assert.ObjectsAreEqualValues(golden, collected)
}
2 changes: 1 addition & 1 deletion coderd/prometheusmetrics/insights/testdata/insights-metrics.json
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@
"coderd_insights_applications_usage_seconds[application_name=Visual Studio Code,slug=,template_name=golden-template]": 0,
"coderd_insights_applications_usage_seconds[application_name=Web Terminal,slug=,template_name=golden-template]": 0,
"coderd_insights_applications_usage_seconds[application_name=SSH,slug=,template_name=golden-template]": 60,
"coderd_insights_applications_usage_seconds[application_name=Golden Slug,slug=golden-slug,template_name=golden-template]": 180,
"coderd_insights_applications_usage_seconds[application_name=Golden Slug,slug=golden-slug,template_name=golden-template]": 120,
"coderd_insights_parameters[parameter_name=first_parameter,parameter_type=string,parameter_value=Foobar,template_name=golden-template]": 1,
"coderd_insights_parameters[parameter_name=second_parameter,parameter_type=bool,parameter_value=true,template_name=golden-template]": 1,
"coderd_insights_parameters[parameter_name=third_parameter,parameter_type=number,parameter_value=789,template_name=golden-template]": 1,
Expand Down