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memory: fix panics if metrics does not exists (#1960)

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Signed-off-by: Jan-Otto Kröpke <mail@jkroepke.de>
This commit is contained in:
Jan-Otto Kröpke
2025-04-04 23:21:26 +02:00
committed by GitHub
parent 88c929ac6f
commit ecc805f0fa
39 changed files with 565 additions and 364 deletions
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30
internal/collector/remote_fx/remote_fx.go
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@@ -102,18 +102,6 @@ func (c *Collector) Close() error {
}
func (c *Collector) Build(*slog.Logger, *mi.Session) error {
var err error
c.perfDataCollectorNetwork, err = pdh.NewCollector[perfDataCounterValuesNetwork](pdh.CounterTypeRaw, "RemoteFX Network", pdh.InstancesAll)
if err != nil {
return fmt.Errorf("failed to create RemoteFX Network collector: %w", err)
}
c.perfDataCollectorGraphics, err = pdh.NewCollector[perfDataCounterValuesGraphics](pdh.CounterTypeRaw, "RemoteFX Graphics", pdh.InstancesAll)
if err != nil {
return fmt.Errorf("failed to create RemoteFX Graphics collector: %w", err)
}
// net
c.baseTCPRTT = prometheus.NewDesc(
prometheus.BuildFQName(types.Namespace, Name, "net_base_tcp_rtt_seconds"),
@@ -238,13 +226,27 @@ func (c *Collector) Build(*slog.Logger, *mi.Session) error {
nil,
)
return nil
var err error
errs := make([]error, 0)
c.perfDataCollectorNetwork, err = pdh.NewCollector[perfDataCounterValuesNetwork](pdh.CounterTypeRaw, "RemoteFX Network", pdh.InstancesAll)
if err != nil {
errs = append(errs, fmt.Errorf("failed to create RemoteFX Network collector: %w", err))
}
c.perfDataCollectorGraphics, err = pdh.NewCollector[perfDataCounterValuesGraphics](pdh.CounterTypeRaw, "RemoteFX Graphics", pdh.InstancesAll)
if err != nil {
errs = append(errs, fmt.Errorf("failed to create RemoteFX Graphics collector: %w", err))
}
return errors.Join(errs...)
}
// Collect sends the metric values for each metric
// to the provided prometheus Metric channel.
func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
errs := make([]error, 0, 2)
errs := make([]error, 0)
if err := c.collectRemoteFXNetworkCount(ch); err != nil {
errs = append(errs, fmt.Errorf("failed collecting RemoteFX Network metrics: %w", err))