Show push example under the detail page (#3739)

extra/uptime-kuma-push/uptime-kuma-push.go

@@ -0,0 +1,44 @@
+package main
+
+import (
+	"fmt"
+	"net/http"
+	os "os"
+	"time"
+)
+
+func main() {
+	if len(os.Args) < 2 {
+		fmt.Fprintln(os.Stderr, "Usage: uptime-kuma-push <url> [<interval>]")
+		os.Exit(1)
+	}
+
+	pushURL := os.Args[1]
+
+	var interval time.Duration
+
+	if len(os.Args) >= 3 {
+		intervalString, err := time.ParseDuration(os.Args[2] + "s")
+		interval = intervalString
+
+		if err != nil {
+			fmt.Fprintln(os.Stderr, "Error: Invalid interval", err)
+			os.Exit(1)
+		}
+
+	} else {
+		interval = 60 * time.Second
+	}
+
+	for {
+		_, err := http.Get(pushURL)
+		if err == nil {
+			fmt.Print("Pushed!")
+		} else {
+			fmt.Print("Error: ", err)
+		}
+
+		fmt.Println(" Sleeping for", interval)
+		time.Sleep(interval)
+	}
+}