Add watchdog package

watchdog/watchdog.go

@@ -0,0 +1,49 @@
+package watchdog
+
+import (
+	"net"
+	"net/http"
+	"net/url"
+	"time"
+)
+
+type Request struct {
+	Url string
+}
+
+type Result struct {
+	HttpStatus int
+	Hostname   string
+	Ip         string
+	Duration   time.Duration
+	Errors     []error
+}
+
+func (request *Request) GetIp(result *Result) {
+	urlObject, err := url.Parse(request.Url)
+	if err != nil {
+		result.Errors = append(result.Errors, err)
+		return
+	}
+	result.Hostname = urlObject.Hostname()
+	ips, err := net.LookupIP(urlObject.Hostname())
+	if err != nil {
+		result.Errors = append(result.Errors, err)
+		return
+	}
+	result.Ip = ips[0].String()
+}
+
+func (request *Request) GetStatus(result *Result) {
+	client := &http.Client{
+		Timeout: time.Second * 10,
+	}
+	startTime := time.Now()
+	response, err := client.Get(request.Url)
+	if err != nil {
+		result.Errors = append(result.Errors, err)
+		return
+	}
+	result.Duration = time.Now().Sub(startTime)
+	result.HttpStatus = response.StatusCode
+}