cloudinit/network/vmware_test.go
2015-09-01 15:36:35 -07:00

362 lines
10 KiB
Go

// Copyright 2015 CoreOS, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package network
import (
"errors"
"net"
"reflect"
"testing"
)
func mustParseMac(mac net.HardwareAddr, err error) net.HardwareAddr {
if err != nil {
panic(err)
}
return mac
}
func TestProcessVMwareNetconf(t *testing.T) {
tests := []struct {
config map[string]string
interfaces []InterfaceGenerator
err error
}{
{},
{
config: map[string]string{
"interface.0.dhcp": "yes",
},
interfaces: []InterfaceGenerator{
&physicalInterface{logicalInterface{
config: configMethodDHCP{},
}},
},
},
{
config: map[string]string{
"interface.0.mac": "00:11:22:33:44:55",
"interface.0.dhcp": "yes",
},
interfaces: []InterfaceGenerator{
&physicalInterface{logicalInterface{
hwaddr: mustParseMac(net.ParseMAC("00:11:22:33:44:55")),
config: configMethodDHCP{hwaddress: mustParseMac(net.ParseMAC("00:11:22:33:44:55"))},
}},
},
},
{
config: map[string]string{
"interface.0.name": "eth0",
"interface.0.dhcp": "yes",
},
interfaces: []InterfaceGenerator{
&physicalInterface{logicalInterface{
name: "eth0",
config: configMethodDHCP{},
}},
},
},
{
config: map[string]string{
"interface.0.mac": "00:11:22:33:44:55",
"interface.0.ip.0.address": "10.0.0.100/24",
"interface.0.route.0.gateway": "10.0.0.1",
"interface.0.route.0.destination": "0.0.0.0/0",
},
interfaces: []InterfaceGenerator{
&physicalInterface{logicalInterface{
hwaddr: mustParseMac(net.ParseMAC("00:11:22:33:44:55")),
config: configMethodStatic{
hwaddress: mustParseMac(net.ParseMAC("00:11:22:33:44:55")),
addresses: []net.IPNet{net.IPNet{IP: net.ParseIP("10.0.0.100"), Mask: net.CIDRMask(24, net.IPv4len*8)}},
// I realize how upset you must be that I am shoving an IPMask into an IP. This is because net.IPv4zero is
// actually a magic IPv6 address which ruins our equality check. What's that? Just use IP::Equal()? I'd rather
// DeepEqual just handle that for me, but until Go gets operator overloading, we are stuck with this.
routes: []route{route{
destination: net.IPNet{IP: net.IP(net.CIDRMask(0, net.IPv4len*8)), Mask: net.CIDRMask(0, net.IPv4len*8)},
gateway: net.ParseIP("10.0.0.1")},
},
},
}},
},
},
{
config: map[string]string{
"dns.server.0": "1.2.3.4",
"dns.server.1": "5.6.7.8",
"interface.0.mac": "00:11:22:33:44:55",
"interface.0.ip.0.address": "10.0.0.100/24",
"interface.0.ip.1.address": "10.0.0.101/24",
"interface.0.route.0.gateway": "10.0.0.1",
"interface.0.route.0.destination": "0.0.0.0/0",
"interface.1.name": "eth0",
"interface.1.ip.0.address": "10.0.1.100/24",
"interface.1.route.0.gateway": "10.0.1.1",
"interface.1.route.0.destination": "0.0.0.0/0",
"interface.2.dhcp": "yes",
"interface.2.mac": "00:11:22:33:44:77",
},
interfaces: []InterfaceGenerator{
&physicalInterface{logicalInterface{
hwaddr: mustParseMac(net.ParseMAC("00:11:22:33:44:55")),
config: configMethodStatic{
hwaddress: mustParseMac(net.ParseMAC("00:11:22:33:44:55")),
addresses: []net.IPNet{
net.IPNet{IP: net.ParseIP("10.0.0.100"), Mask: net.CIDRMask(24, net.IPv4len*8)},
net.IPNet{IP: net.ParseIP("10.0.0.101"), Mask: net.CIDRMask(24, net.IPv4len*8)},
},
routes: []route{route{
destination: net.IPNet{IP: net.IP(net.CIDRMask(0, net.IPv4len*8)), Mask: net.CIDRMask(0, net.IPv4len*8)},
gateway: net.ParseIP("10.0.0.1")},
},
nameservers: []net.IP{net.ParseIP("1.2.3.4"), net.ParseIP("5.6.7.8")},
},
}},
&physicalInterface{logicalInterface{
name: "eth0",
config: configMethodStatic{
addresses: []net.IPNet{net.IPNet{IP: net.ParseIP("10.0.1.100"), Mask: net.CIDRMask(24, net.IPv4len*8)}},
routes: []route{route{
destination: net.IPNet{IP: net.IP(net.CIDRMask(0, net.IPv4len*8)), Mask: net.CIDRMask(0, net.IPv4len*8)},
gateway: net.ParseIP("10.0.1.1")},
},
nameservers: []net.IP{net.ParseIP("1.2.3.4"), net.ParseIP("5.6.7.8")},
},
}},
&physicalInterface{logicalInterface{
hwaddr: mustParseMac(net.ParseMAC("00:11:22:33:44:77")),
config: configMethodDHCP{hwaddress: mustParseMac(net.ParseMAC("00:11:22:33:44:77"))},
}},
},
},
{
config: map[string]string{"dns.server.0": "test dns"},
err: errors.New(`invalid nameserver: "test dns"`),
},
}
for i, tt := range tests {
interfaces, err := ProcessVMwareNetconf(tt.config)
if !reflect.DeepEqual(tt.err, err) {
t.Errorf("bad error (#%d): want %v, got %v", i, tt.err, err)
}
if !reflect.DeepEqual(tt.interfaces, interfaces) {
t.Errorf("bad interfaces (#%d): want %#v, got %#v", i, tt.interfaces, interfaces)
for _, iface := range tt.interfaces {
t.Logf(" want: %#v", iface)
}
for _, iface := range interfaces {
t.Logf(" got: %#v", iface)
}
}
}
}
func TestProcessAddressConfig(t *testing.T) {
tests := []struct {
config map[string]string
prefix string
addresses []net.IPNet
err error
}{
{},
// static - ipv4
{
config: map[string]string{
"ip.0.address": "10.0.0.100/24",
},
addresses: []net.IPNet{{IP: net.ParseIP("10.0.0.100"), Mask: net.CIDRMask(24, net.IPv4len*8)}},
},
{
config: map[string]string{
"this.is.a.prefix.ip.0.address": "10.0.0.100/24",
},
prefix: "this.is.a.prefix.",
addresses: []net.IPNet{{IP: net.ParseIP("10.0.0.100"), Mask: net.CIDRMask(24, net.IPv4len*8)}},
},
{
config: map[string]string{
"ip.0.address": "10.0.0.100/24",
"ip.1.address": "10.0.0.101/24",
"ip.2.address": "10.0.0.102/24",
},
addresses: []net.IPNet{
{IP: net.ParseIP("10.0.0.100"), Mask: net.CIDRMask(24, net.IPv4len*8)},
{IP: net.ParseIP("10.0.0.101"), Mask: net.CIDRMask(24, net.IPv4len*8)},
{IP: net.ParseIP("10.0.0.102"), Mask: net.CIDRMask(24, net.IPv4len*8)},
},
},
// static - ipv6
{
config: map[string]string{
"ip.0.address": "fe00::100/64",
},
addresses: []net.IPNet{{IP: net.ParseIP("fe00::100"), Mask: net.IPMask(net.CIDRMask(64, net.IPv6len*8))}},
},
{
config: map[string]string{
"ip.0.address": "fe00::100/64",
"ip.1.address": "fe00::101/64",
"ip.2.address": "fe00::102/64",
},
addresses: []net.IPNet{
{IP: net.ParseIP("fe00::100"), Mask: net.CIDRMask(64, net.IPv6len*8)},
{IP: net.ParseIP("fe00::101"), Mask: net.CIDRMask(64, net.IPv6len*8)},
{IP: net.ParseIP("fe00::102"), Mask: net.CIDRMask(64, net.IPv6len*8)},
},
},
// invalid
{
config: map[string]string{
"ip.0.address": "test address",
},
err: errors.New(`invalid address: "test address"`),
},
}
for i, tt := range tests {
addresses, err := processAddressConfig(tt.config, tt.prefix)
if !reflect.DeepEqual(tt.err, err) {
t.Errorf("bad error (#%d): want %v, got %v", i, tt.err, err)
}
if err != nil {
continue
}
if !reflect.DeepEqual(tt.addresses, addresses) {
t.Errorf("bad addresses (#%d): want %#v, got %#v", i, tt.addresses, addresses)
}
}
}
func TestProcessRouteConfig(t *testing.T) {
tests := []struct {
config map[string]string
prefix string
routes []route
err error
}{
{},
{
config: map[string]string{
"route.0.gateway": "10.0.0.1",
"route.0.destination": "0.0.0.0/0",
},
routes: []route{{destination: net.IPNet{IP: net.IP(net.CIDRMask(0, net.IPv4len*8)), Mask: net.CIDRMask(0, net.IPv4len*8)}, gateway: net.ParseIP("10.0.0.1")}},
},
{
config: map[string]string{
"this.is.a.prefix.route.0.gateway": "10.0.0.1",
"this.is.a.prefix.route.0.destination": "0.0.0.0/0",
},
prefix: "this.is.a.prefix.",
routes: []route{{destination: net.IPNet{IP: net.IP(net.CIDRMask(0, net.IPv4len*8)), Mask: net.CIDRMask(0, net.IPv4len*8)}, gateway: net.ParseIP("10.0.0.1")}},
},
{
config: map[string]string{
"route.0.gateway": "fe00::1",
"route.0.destination": "::/0",
},
routes: []route{{destination: net.IPNet{IP: net.IPv6zero, Mask: net.IPMask(net.IPv6zero)}, gateway: net.ParseIP("fe00::1")}},
},
// invalid
{
config: map[string]string{
"route.0.gateway": "test gateway",
"route.0.destination": "0.0.0.0/0",
},
err: errors.New(`invalid gateway: "test gateway"`),
},
{
config: map[string]string{
"route.0.gateway": "10.0.0.1",
"route.0.destination": "test destination",
},
err: &net.ParseError{Type: "CIDR address", Text: "test destination"},
},
}
for i, tt := range tests {
routes, err := processRouteConfig(tt.config, tt.prefix)
if !reflect.DeepEqual(tt.err, err) {
t.Errorf("bad error (#%d): want %v, got %v", i, tt.err, err)
}
if err != nil {
continue
}
if !reflect.DeepEqual(tt.routes, routes) {
t.Errorf("bad routes (#%d): want %#v, got %#v", i, tt.routes, routes)
}
}
}
func TestProcessDHCPConfig(t *testing.T) {
tests := []struct {
config map[string]string
prefix string
dhcp bool
err error
}{
{},
// prefix
{config: map[string]string{"this.is.a.prefix.mac": ""}, prefix: "this.is.a.prefix.", dhcp: false},
{config: map[string]string{"this.is.a.prefix.dhcp": "yes"}, prefix: "this.is.a.prefix.", dhcp: true},
// dhcp
{config: map[string]string{"dhcp": "yes"}, dhcp: true},
{config: map[string]string{"dhcp": "no"}, dhcp: false},
// invalid
{config: map[string]string{"dhcp": "blah"}, err: errors.New(`invalid DHCP option: "blah"`)},
}
for i, tt := range tests {
dhcp, err := processDHCPConfig(tt.config, tt.prefix)
if !reflect.DeepEqual(tt.err, err) {
t.Errorf("bad error (#%d): want %v, got %v", i, tt.err, err)
}
if err != nil {
continue
}
if tt.dhcp != dhcp {
t.Errorf("bad dhcp (#%d): want %v, got %v", i, tt.dhcp, dhcp)
}
}
}