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- 将 middleware 命名为 interceptor - 将 deploy 命名为 deployments - 移除 pkg/errno - 使用 proposal 目录 - 优化代码
56 lines
1.5 KiB
Go
56 lines
1.5 KiB
Go
package metrics
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import (
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"github.com/prometheus/client_golang/prometheus"
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"github.com/spf13/cast"
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)
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const (
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namespace = "xinliangnote"
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subsystem = "go_gin_api"
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)
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// metricsRequestsTotal metrics for request total 计数器（Counter）
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var metricsRequestsTotal = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "requests_total",
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Help: "request(ms) total",
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},
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[]string{"method", "path"},
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)
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// metricsRequestsCost metrics for requests cost 累积直方图（Histogram）
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var metricsRequestsCost = prometheus.NewHistogramVec(
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prometheus.HistogramOpts{
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Namespace: namespace,
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Subsystem: subsystem,
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Name: "requests_cost",
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Help: "request(ms) cost milliseconds",
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},
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[]string{"method", "path", "success", "http_code", "business_code", "cost_milliseconds", "trace_id"},
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)
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func init() {
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prometheus.MustRegister(metricsRequestsTotal, metricsRequestsCost)
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}
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// RecordMetrics 记录指标
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func RecordMetrics(method, path string, success bool, httpCode, businessCode int, costSeconds float64, traceId string) {
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metricsRequestsTotal.With(prometheus.Labels{
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"method": method,
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"path": path,
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}).Inc()
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metricsRequestsCost.With(prometheus.Labels{
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"method": method,
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"path": path,
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"success": cast.ToString(success),
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"http_code": cast.ToString(httpCode),
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"business_code": cast.ToString(businessCode),
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"cost_milliseconds": cast.ToString(costSeconds * 1000),
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"trace_id": traceId,
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}).Observe(costSeconds)
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}
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