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add support for parsing gauge func
Change-Id: Id0b9cd51dead5ee9f4adac804d62f5d9742320a7
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@ -70,7 +70,7 @@ func (c *metricDecoder) decodeNewMetricCall(fc *ast.CallExpr) (*metric, error) {
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return nil, nil
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}
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switch functionName {
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case "NewCounter", "NewGauge", "NewHistogram", "NewSummary", "NewTimingHistogram":
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case "NewCounter", "NewGauge", "NewHistogram", "NewSummary", "NewTimingHistogram", "NewGaugeFunc":
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m, err = c.decodeMetric(fc)
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case "NewCounterVec", "NewGaugeVec", "NewHistogramVec", "NewSummaryVec", "NewTimingHistogramVec":
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m, err = c.decodeMetricVec(fc)
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@ -90,7 +90,7 @@ func getMetricType(functionName string) string {
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switch functionName {
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case "NewCounter", "NewCounterVec":
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return counterMetricType
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case "NewGauge", "NewGaugeVec":
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case "NewGauge", "NewGaugeVec", "NewGaugeFunc":
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return gaugeMetricType
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case "NewHistogram", "NewHistogramVec":
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return histogramMetricType
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@ -104,7 +104,7 @@ func getMetricType(functionName string) string {
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}
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func (c *metricDecoder) decodeMetric(call *ast.CallExpr) (metric, error) {
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if len(call.Args) != 1 {
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if len(call.Args) > 2 {
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return metric{}, newDecodeErrorf(call, errInvalidNewMetricCall)
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}
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return c.decodeOpts(call.Args[0])
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@ -481,6 +481,20 @@ func Register(collectors ...metrics.StableCollector) {
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for _, collector := range collectors {
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legacyregistry.CustomMustRegister(collector)
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}
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legacyregistry.RawMustRegister(metrics.NewGaugeFunc(
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&metrics.GaugeOpts{
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Subsystem: "kubelet",
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Name: "certificate_manager_client_ttl_seconds",
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Help: "Gauge of the TTL (time-to-live) of the Kubelet's client certificate. " +
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"The value is in seconds until certificate expiry (negative if already expired). " +
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"If client certificate is invalid or unused, the value will be +INF.",
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StabilityLevel: metrics.BETA,
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},
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func() float64 {
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return 0
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},
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))
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})
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}
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@ -1,3 +1,10 @@
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- name: certificate_manager_client_ttl_seconds
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subsystem: kubelet
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help: Gauge of the TTL (time-to-live) of the Kubelet's client certificate. The value
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is in seconds until certificate expiry (negative if already expired). If client
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certificate is invalid or unused, the value will be +INF.
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type: Gauge
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stabilityLevel: BETA
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- name: device_plugin_alloc_duration_seconds
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subsystem: kubelet
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help: Duration in seconds to serve a device plugin Allocation request. Broken down
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