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Merge pull request #109 from utilitywarehouse/ping-healthcheck
Introduce a ping healthcheck
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "time" | ||
|
|
||
| probing "github.com/prometheus-community/pro-bing" | ||
| ) | ||
|
|
||
| type PingCheck struct { | ||
| pinger *probing.Pinger | ||
| } | ||
|
|
||
| func NewPingCheck(address string) PingCheck { | ||
| pinger, err := probing.NewPinger(address) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| pinger.Count = 1 | ||
| pinger.Timeout = 5 * time.Second | ||
| return PingCheck{ | ||
| pinger: pinger, | ||
| } | ||
| } | ||
|
|
||
| func (pc PingCheck) Check() Result { | ||
| err := pc.pinger.Run() // Blocks until finished. | ||
| healthy := err == nil | ||
| errMsg := "" | ||
| if err != nil { | ||
| errMsg = fmt.Sprintf("Pinging failed: %v", err) | ||
| } | ||
| stats := pc.pinger.Statistics() | ||
| out := fmt.Sprintf("%d packets transmitted, %d packets received, %v%% packet loss\n", | ||
| stats.PacketsSent, stats.PacketsRecv, stats.PacketLoss) | ||
|
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||
| return Result{ | ||
| healthy: healthy, | ||
| err: errMsg, | ||
| output: out, | ||
| } | ||
| } |