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Index ¶
Constants ¶
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const ( KB float64 = 1 << (10 * iota) MB )
Variables ¶
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var WithReqDurBuckets = func(buckets []float64) PrometheusOption { return func(p *Prometheus) { if len(buckets) > 0 { p.ReqDurBuckets = buckets } } }
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var WithReqSzBuckets = func(buckets []float64) PrometheusOption { return func(p *Prometheus) { if len(buckets) > 0 { p.ReqSzBuckets = buckets } } }
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var WithResSzBuckets = func(buckets []float64) PrometheusOption { return func(p *Prometheus) { if len(buckets) > 0 { p.ResSzBuckets = buckets } } }
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var WithSubsystem = func(subsystem string) PrometheusOption { return func(p *Prometheus) { if subsystem != "" { p.Subsystem = subsystem } } }
Functions ¶
This section is empty.
Types ¶
type IResponseWriter ¶
type IResponseWriter interface {
http.ResponseWriter
StatusCode() int
Size() int
}
type Prometheus ¶
type Prometheus struct {
ReqDurBuckets, ReqSzBuckets, ResSzBuckets []float64
Subsystem string
Ppg PushGateway
// contains filtered or unexported fields
}
Prometheus contains the metrics gathered by the instance and its path
func NewPrometheus ¶
func NewPrometheus(options ...PrometheusOption) *Prometheus
NewPrometheus generates a new set of metrics with a certain subsystem name
func (*Prometheus) HandlerFunc ¶
func (p *Prometheus) HandlerFunc(next func(http.ResponseWriter, *http.Request)) func(http.ResponseWriter, *http.Request)
HandlerFunc defines handler function for middleware
type PrometheusOption ¶
type PrometheusOption func(p *Prometheus)
type PushGateway ¶
type PushGateway struct {
// Push interval in seconds
//lint:ignore ST1011 renaming would be breaking change
PushIntervalSeconds time.Duration
// Push Gateway URL in format http://domain:port
// where JOBNAME can be any string of your choice
PushGatewayURL string
// pushgateway job name, defaults to "recommend"
Job string
}
PushGateway contains the configuration for pushing to a Prometheus pushgateway (optional)
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