test(palemoon): rewrite to use ci-images

Signed-off-by: Xe Iaso <me@xeiaso.net>

test/cmd/cipra/internal/getlanip.go

@@ -0,0 +1,50 @@
+package internal
+
+import (
+	"fmt"
+	"net"
+)
+
+// GetLANIP returns the first non-loopback IPv4 LAN IP address.
+func GetLANIP() (net.IP, error) {
+	ifaces, err := net.Interfaces()
+	if err != nil {
+		return nil, err
+	}
+
+	for _, iface := range ifaces {
+		// Skip down or loopback interfaces
+		if iface.Flags&(net.FlagUp|net.FlagLoopback) != net.FlagUp {
+			continue
+		}
+
+		addrs, err := iface.Addrs()
+		if err != nil {
+			continue // skip interfaces we can't query
+		}
+
+		for _, addr := range addrs {
+			var ip net.IP
+
+			switch v := addr.(type) {
+			case *net.IPNet:
+				ip = v.IP
+			case *net.IPAddr:
+				ip = v.IP
+			}
+
+			if ip == nil || ip.IsLoopback() {
+				continue
+			}
+
+			ip = ip.To4()
+			if ip == nil {
+				continue // not an IPv4 address
+			}
+
+			return ip, nil
+		}
+	}
+
+	return nil, fmt.Errorf("no connected LAN IPv4 address found")
+}