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feat: expose template insights as Prometheus metrics #10255

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24e4ff3
WIP
mtojek Oct 13, 2023
a6c9c1a
Use db
mtojek Oct 13, 2023
86f45a0
debug
mtojek Oct 13, 2023
bfcd8f4
Merge branch 'main' into 9983-insights-metrics
mtojek Oct 17, 2023
a3c29a7
DB calls
mtojek Oct 17, 2023
24ae332
WIP
mtojek Oct 17, 2023
0cb1206
WIP dbfake
mtojek Oct 18, 2023
3c31168
Merge branch 'main' into 9983-insights-metrics
mtojek Oct 18, 2023
a764cef
Collect metrics data
mtojek Oct 18, 2023
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DB calls
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@mtojek
mtojek committed Oct 17, 2023
commit a3c29a7471e77ceb2501608cb01dd908ce05f6cc
56 changes: 51 additions & 5 deletions coderd/prometheusmetrics/insights/metricscollector.go
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@ import (
"time"

"github.com/prometheus/client_golang/prometheus"
"golang.org/x/sync/errgroup"
"golang.org/x/xerrors"

"cdr.dev/slog"
Expand Down Expand Up @@ -52,19 +53,61 @@ func (mc *MetricsCollector) Run(ctx context.Context) (func(), error) {
defer ticker.Reset(mc.duration)

now := time.Now()
startTime := now.Add(-mc.duration)
endTime := now

// TODO collect iteration time

parameterRows, err := mc.database.GetTemplateInsights(ctx, database.GetTemplateInsightsParams{
StartTime: now.Add(-mc.duration),
EndTime: now,
var templateInsights database.GetTemplateInsightsRow
var appInsights []database.GetTemplateAppInsightsRow
var parameterInsights []database.GetTemplateParameterInsightsRow

// Phase I: Fetch insights from database
eg, egCtx := errgroup.WithContext(ctx)
eg.SetLimit(3)

eg.Go(func() error {
var err error
templateInsights, err = mc.database.GetTemplateInsights(egCtx, database.GetTemplateInsightsParams{
StartTime: startTime,
EndTime: endTime,
})
if err != nil {
mc.logger.Error(ctx, "unable to fetch template insights from database", slog.Error(err))
}
return err
})
eg.Go(func() error {
var err error
appInsights, err = mc.database.GetTemplateAppInsights(ctx, database.GetTemplateAppInsightsParams{
StartTime: startTime,
EndTime: endTime,
})
if err != nil {
mc.logger.Error(ctx, "unable to fetch app insights from database", slog.Error(err))
}
return err
})
eg.Go(func() error {
var err error
parameterInsights, err = mc.database.GetTemplateParameterInsights(ctx, database.GetTemplateParameterInsightsParams{
StartTime: startTime,
EndTime: endTime,
})
if err != nil {
mc.logger.Error(ctx, "unable to fetch parameter insights from database", slog.Error(err))
}
return err
})

err := eg.Wait()
if err != nil {
mc.logger.Error(ctx, "unable to fetch template insights from database", slog.Error(err))
return
}

mc.logger.Info(ctx, "debug", slog.F("parameter_rows", parameterRows))
// Phase 2: Collect resource IDs (templates, applications, parameters), and fetch relevant details

// TODO
}

go func() {
Expand Down Expand Up @@ -92,4 +135,7 @@ func (*MetricsCollector) Describe(descCh chan<- *prometheus.Desc) {
}

func (mc *MetricsCollector) Collect(metricsCh chan<- prometheus.Metric) {
// Phase 3: Collect metrics

// TODO
}