probe

type Command ¶

type Command struct {
	Cmd string `json:"cmd"`
}

Command probe allow the execution of any file or script and parse the output

func (cp Command) Name() string

func (cp Command) Value() (float64, error)

type DefaultScalingProbe ¶

type DefaultScalingProbe struct{}

DefaultScalingProbe report a fake sensor value Value goes from 0 to 1 and to 1 to 0 each minute

func (p *DefaultScalingProbe) Name() string

func (p *DefaultScalingProbe) Value() (float64, error)

type HAproxy ¶

type HAproxy struct {
	Socket string `json:"socket"`
	Type   string `json:"type"`
	Item   string `json:"item"`
}

HAproxy configurable probe.

Metrics are retrived by accessing HAProxy command socket

func (ha *HAproxy) HaproxyCmd(cmd string) (string, error)

func (ha HAproxy) Name() string

func (ha HAproxy) Value() (float64, error)

type Prometheus ¶

type Prometheus struct {
	URL string `json:"url"` // Sample: http://localhost:9100/metrics
	Key string `json:"key"` // Sample: node_cpu{cpu="cpu6",mode="idle"}
}

Prometheus probe

Metrics are retrived using HTTP/Text protocol (see https://prometheus.io/docs/instrumenting/exposition_formats/) TODO protobuf support ?

func (p Prometheus) Name() string

func (p Prometheus) Value() (float64, error)