func defineDnsmasqMetrics()

in pkg/sidecar/metrics.go [38:89]
49 lines of code
2 McCabe index (conditional complexity)

func defineDnsmasqMetrics(options *Options) {
	const dnsmasqSubsystem = "dnsmasq"

	counters[dnsmasq.CacheHits] = prometheus.NewCounter(
		prometheus.CounterOpts{
			Namespace: options.PrometheusNamespace,
			Subsystem: dnsmasqSubsystem,
			Name:      "hits",
			Help:      "Number of DNS cache hits (from start of process)",
		})
	counters[dnsmasq.CacheMisses] = prometheus.NewCounter(
		prometheus.CounterOpts{
			Namespace: options.PrometheusNamespace,
			Subsystem: dnsmasqSubsystem,
			Name:      "misses",
			Help:      "Number of DNS cache misses (from start of process)",
		})
	counters[dnsmasq.CacheEvictions] = prometheus.NewCounter(
		prometheus.CounterOpts{
			Namespace: options.PrometheusNamespace,
			Subsystem: dnsmasqSubsystem,
			Name:      "evictions",
			Help:      "Counter of DNS cache evictions (from start of process)",
		})
	counters[dnsmasq.CacheInsertions] = prometheus.NewCounter(
		prometheus.CounterOpts{
			Namespace: options.PrometheusNamespace,
			Subsystem: dnsmasqSubsystem,
			Name:      "insertions",
			Help:      "Counter of DNS cache insertions (from start of process)",
		})
	counters[dnsmasq.CacheSize] = prometheus.NewCounter(
		prometheus.CounterOpts{
			Namespace: options.PrometheusNamespace,
			Subsystem: dnsmasqSubsystem,
			Name:      "max_size",
			Help:      "Maximum size of the DNS cache",
		})

	for i := range counters {
		prometheus.MustRegister(counters[i])
	}

	errorsCounter = prometheus.NewCounter(
		prometheus.CounterOpts{
			Namespace: options.PrometheusNamespace,
			Subsystem: dnsmasqSubsystem,
			Name:      "errors",
			Help:      "Number of errors that have occurred getting metrics",
		})
	prometheus.MustRegister(errorsCounter)
}