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31 lines
611 B
31 lines
611 B
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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