modularize

cachet/monitor.go

@@ -0,0 +1,49 @@
+package cachet
+
+import (
+	"fmt"
+	"time"
+	"net/http"
+)
+
+const timeout = time.Duration(time.Second)
+
+type Monitor struct {
+	Url string `json:"url"`
+	MetricId int `json:"metric_id"`
+}
+
+func (monitor *Monitor) Run() {
+	reqStart := getMs()
+	err := monitor.doRequest()
+	lag := getMs() - reqStart
+
+	failed := false
+	if err != nil {
+		failed = true
+	}
+
+	if failed == true {
+		fmt.Println("Req failed")
+	}
+
+	SendMetric(1, lag)
+}
+
+func (monitor *Monitor) doRequest() error {
+	client := &http.Client{
+		Timeout: timeout,
+	}
+	resp, err := client.Get(monitor.Url) // http://127.0.0.1:1337
+	if err != nil {
+		return err
+	}
+
+	defer resp.Body.Close()
+
+	return nil
+}
+
+func getMs() int64 {
+	return time.Now().UnixNano() / int64(time.Millisecond)
+}