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32 lines
611 B
32 lines
611 B
2 years ago
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package prometheus
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import (
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"github.com/go-kratos/kratos/v2/metrics"
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"github.com/prometheus/client_golang/prometheus"
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)
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var _ metrics.Observer = (*histogram)(nil)
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type histogram struct {
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hv *prometheus.HistogramVec
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lvs []string
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}
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// NewHistogram new a prometheus histogram and returns Histogram.
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func NewHistogram(hv *prometheus.HistogramVec) metrics.Observer {
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return &histogram{
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hv: hv,
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}
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}
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func (h *histogram) With(lvs ...string) metrics.Observer {
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return &histogram{
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hv: h.hv,
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lvs: lvs,
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}
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}
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func (h *histogram) Observe(value float64) {
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h.hv.WithLabelValues(h.lvs...).Observe(value)
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}
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