in pkg/metrics/gcm.go [261:267]
func (r *gcmProbeReporter) RecordAddonHealth(ctx context.Context, labels []map[string]string) {
ts := []*monitoringpb.TimeSeries{}
for _, clable := range labels {
ts = append(ts, r.p.intGaugeTimeSeries(MetricClusterAddonCondition, clable, 1))
}
r.p.writeTimeSeries(ctx, ts...)
}