func NewController()

in internal/ingress/metric/collectors/controller.go [60:167]
103 lines of code
2 McCabe index (conditional complexity)

func NewController(pod, namespace, class string) *Controller {
	constLabels := prometheus.Labels{
		"controller_namespace": namespace,
		"controller_class":     class,
		"controller_pod":       pod,
	}

	cm := &Controller{
		constLabels: constLabels,

		labels: prometheus.Labels{
			"namespace": namespace,
			"class":     class,
		},

		buildInfo: prometheus.NewGaugeFunc(
			prometheus.GaugeOpts{
				Namespace: PrometheusNamespace,
				Name:      "build_info",
				Help:      "A metric with a constant '1' labeled with information about the build.",
				ConstLabels: prometheus.Labels{
					"controller_namespace": namespace,
					"controller_class":     class,
					"controller_pod":       pod,
					"release":              version.RELEASE,
					"build":                version.COMMIT,
					"repository":           version.REPO,
				},
			},
			func() float64 { return 1 },
		),

		configHash: prometheus.NewGauge(
			prometheus.GaugeOpts{
				Namespace:   PrometheusNamespace,
				Name:        "config_hash",
				Help:        "Running configuration hash actually running",
				ConstLabels: constLabels,
			},
		),
		configSuccess: prometheus.NewGauge(
			prometheus.GaugeOpts{
				Namespace:   PrometheusNamespace,
				Name:        "config_last_reload_successful",
				Help:        "Whether the last configuration reload attempt was successful",
				ConstLabels: constLabels,
			}),
		configSuccessTime: prometheus.NewGauge(
			prometheus.GaugeOpts{
				Namespace:   PrometheusNamespace,
				Name:        "config_last_reload_successful_timestamp_seconds",
				Help:        "Timestamp of the last successful configuration reload.",
				ConstLabels: constLabels,
			}),
		reloadOperation: prometheus.NewCounterVec(
			prometheus.CounterOpts{
				Namespace: PrometheusNamespace,
				Name:      "success",
				Help:      `Cumulative number of Ingress controller reload operations`,
			},
			operation,
		),
		reloadOperationErrors: prometheus.NewCounterVec(
			prometheus.CounterOpts{
				Namespace: PrometheusNamespace,
				Name:      "errors",
				Help:      `Cumulative number of Ingress controller errors during reload operations`,
			},
			operation,
		),
		checkIngressOperationErrors: prometheus.NewCounterVec(
			prometheus.CounterOpts{
				Namespace: PrometheusNamespace,
				Name:      "check_errors",
				Help:      `Cumulative number of Ingress controller errors during syntax check operations`,
			},
			ingressOperation,
		),
		checkIngressOperation: prometheus.NewCounterVec(
			prometheus.CounterOpts{
				Namespace: PrometheusNamespace,
				Name:      "check_success",
				Help:      `Cumulative number of Ingress controller syntax check operations`,
			},
			ingressOperation,
		),
		sslExpireTime: prometheus.NewGaugeVec(
			prometheus.GaugeOpts{
				Namespace: PrometheusNamespace,
				Name:      "ssl_expire_time_seconds",
				Help: `Number of seconds since 1970 to the SSL Certificate expire.
			An example to check if this certificate will expire in 10 days is: "nginx_ingress_controller_ssl_expire_time_seconds < (time() + (10 * 24 * 3600))"`,
			},
			sslLabelHost,
		),
		leaderElection: prometheus.NewGaugeVec(
			prometheus.GaugeOpts{
				Namespace:   PrometheusNamespace,
				Name:        "leader_election_status",
				Help:        "Gauge reporting status of the leader election, 0 indicates follower, 1 indicates leader. 'name' is the string used to identify the lease",
				ConstLabels: constLabels,
			},
			[]string{"name"},
		),
	}

	return cm
}