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39 lines
712 B
39 lines
712 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.Gauge = (*gauge)(nil) |
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type gauge struct { |
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gv *prometheus.GaugeVec |
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lvs []string |
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} |
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// NewGauge new a prometheus gauge and returns Gauge. |
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func NewGauge(gv *prometheus.GaugeVec) metrics.Gauge { |
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return &gauge{ |
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gv: gv, |
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} |
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} |
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func (g *gauge) With(lvs ...string) metrics.Gauge { |
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return &gauge{ |
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gv: g.gv, |
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lvs: lvs, |
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} |
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} |
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func (g *gauge) Set(value float64) { |
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g.gv.WithLabelValues(g.lvs...).Set(value) |
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} |
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func (g *gauge) Add(delta float64) { |
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g.gv.WithLabelValues(g.lvs...).Add(delta) |
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} |
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func (g *gauge) Sub(delta float64) { |
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g.gv.WithLabelValues(g.lvs...).Sub(delta) |
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}
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