func()

in collector/exporter/googlemanagedprometheusexporter/config.go [42:67]

• 22 lines of code
• 2 McCabe index (conditional complexity)

func (c *GMPConfig) toCollectorConfig() collector.Config {
	// start with whatever the default collector config is.
	cfg := collector.DefaultConfig()
	cfg.MetricConfig.Prefix = c.MetricConfig.Prefix
	if c.MetricConfig.Prefix == "" {
		cfg.MetricConfig.Prefix = "prometheus.googleapis.com"
	}
	cfg.MetricConfig.SkipCreateMetricDescriptor = true
	cfg.MetricConfig.InstrumentationLibraryLabels = false
	cfg.MetricConfig.ServiceResourceLabels = false
	// Update metric naming to match GMP conventions
	cfg.MetricConfig.GetMetricName = func(baseName string, metric pmetric.Metric) (string, error) {
		compliantName := prometheus.BuildCompliantName(metric, "", c.MetricConfig.Config.AddMetricSuffixes)
		return googlemanagedprometheus.GetMetricName(baseName, compliantName, metric)
	}
	// Map to the prometheus_target monitored resource
	cfg.MetricConfig.MapMonitoredResource = c.MetricConfig.Config.MapToPrometheusTarget
	cfg.MetricConfig.ExtraMetrics = c.MetricConfig.Config.ExtraMetrics
	cfg.MetricConfig.EnableSumOfSquaredDeviation = true
	// map the GMP config's fields to the collector config
	cfg.ProjectID = c.ProjectID
	cfg.UserAgent = c.UserAgent
	cfg.MetricConfig.ClientConfig = c.MetricConfig.ClientConfig
	cfg.MetricConfig.ResourceFilters = c.MetricConfig.ResourceFilters
	return cfg
}