type kubeCollector … type lazyKubeMetric … type lazyMetric … func (r *lazyMetric) IsCreated() bool { … } // lazyInit provides the lazyMetric with a reference to the kubeCollector it is supposed // to allow lazy initialization for. It should be invoked in the factory function which creates new // kubeCollector type objects. func (r *lazyMetric) lazyInit(self kubeCollector, fqName string) { … } // preprocessMetric figures out whether the lazy metric should be hidden or not. // This method takes a Version argument which should be the version of the binary in which // this code is currently being executed. A metric can be hidden under two conditions: // 1. if the metric is deprecated and is outside the grace period (i.e. has been // deprecated for more than one release // 2. if the metric is manually disabled via a CLI flag. // // Disclaimer: disabling a metric via a CLI flag has higher precedence than // deprecation and will override show-hidden-metrics for the explicitly // disabled metric. func (r *lazyMetric) preprocessMetric(version semver.Version) { … } func (r *lazyMetric) IsHidden() bool { … } func (r *lazyMetric) IsDeprecated() bool { … } // Create forces the initialization of metric which has been deferred until // the point at which this method is invoked. This method will determine whether // the metric is deprecated or hidden, no-opting if the metric should be considered // hidden. Furthermore, this function no-opts and returns true if metric is already // created. func (r *lazyMetric) Create(version *semver.Version) bool { … } // ClearState will clear all the states marked by Create. // It intends to be used for re-register a hidden metric. func (r *lazyMetric) ClearState() { … } // FQName returns the fully-qualified metric name of the collector. func (r *lazyMetric) FQName() string { … } type selfCollector … func (c *selfCollector) initSelfCollection(m prometheus.Metric) { … } func (c *selfCollector) Describe(ch chan<- *prometheus.Desc) { … } func (c *selfCollector) Collect(ch chan<- prometheus.Metric) { … } type metricWithExemplar … var noopCounterVec … var noopHistogramVec … var noopTimingHistogramVec … var noopGaugeVec … var noop … type noopMetric … func (noopMetric) Inc() { … } func (noopMetric) Add(float64) { … } func (noopMetric) Dec() { … } func (noopMetric) Set(float64) { … } func (noopMetric) Sub(float64) { … } func (noopMetric) Observe(float64) { … } func (noopMetric) ObserveWithWeight(float64, uint64) { … } func (noopMetric) SetToCurrentTime() { … } func (noopMetric) Desc() *prometheus.Desc { … } func (noopMetric) Write(*dto.Metric) error { … } func (noopMetric) Describe(chan<- *prometheus.Desc) { … } func (noopMetric) Collect(chan<- prometheus.Metric) { … }
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