Added host URL normalization

configuration/configuration.go

@@ -63,6 +63,10 @@ func (c *Configuration) Validate() error {
 		if !(u.Scheme == "http" || u.Scheme == "https") {
 			return fmt.Errorf("PVE host '%s' must be protocol type of HTTP or HTTPS.", host)
 		}
+
+		if u.Hostname() == "" {
+			return fmt.Errorf("PVE host '%s' must contain an IP address or DNS name.", host)
+		}
 	}
 
 	// Validate PVE token

configuration/configuration_test.go

@@ -0,0 +1,32 @@
+package configuration
+
+import "testing"
+
+func TestConfigurationValidateAcceptsIPAndDNSPveHosts(t *testing.T) {
+	tests := []struct {
+		name string
+		host string
+	}{
+		{name: "IP address", host: "https://192.168.0.10:8006"},
+		{name: "DNS name", host: "https://pve.example.com:8006"},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			configuration := Configuration{
+				Host: "0.0.0.0",
+				PVE: PveConfiguration{
+					Hosts: []string{tt.host},
+					Token: PveTokenConfiguration{
+						TokenId: "token",
+						Secret:  "secret",
+					},
+				},
+			}
+
+			if err := configuration.Validate(); err != nil {
+				t.Fatalf("Validate() rejected %s host %q: %v", tt.name, tt.host, err)
+			}
+		})
+	}
+}