cloudinit/network/digitalocean_test.go
Alex Crawford 650a239fdb metadata: simplify merging of metadata
Add an internal field for CloudConfig to make it easier to distinguish.
Instead of creating two CloudConfigs and merging them, just merge the
metadata into the existing CloudConfig.
2015-01-26 16:08:26 -08:00

400 lines
9.9 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"
"github.com/coreos/coreos-cloudinit/datasource/metadata/digitalocean"
)
func TestParseNameservers(t *testing.T) {
for _, tt := range []struct {
dns digitalocean.DNS
nss []net.IP
err error
}{
{
dns: digitalocean.DNS{},
nss: []net.IP{},
},
{
dns: digitalocean.DNS{Nameservers: []string{"1.2.3.4"}},
nss: []net.IP{net.ParseIP("1.2.3.4")},
},
{
dns: digitalocean.DNS{Nameservers: []string{"bad"}},
err: errors.New("could not parse \"bad\" as nameserver IP address"),
},
} {
nss, err := parseNameservers(tt.dns)
if !errorsEqual(tt.err, err) {
t.Fatalf("bad error (%+v): want %q, got %q", tt.dns, tt.err, err)
}
if !reflect.DeepEqual(tt.nss, nss) {
t.Fatalf("bad nameservers (%+v): want %#v, got %#v", tt.dns, tt.nss, nss)
}
}
}
func TestParseInterface(t *testing.T) {
for _, tt := range []struct {
cfg digitalocean.Interface
nss []net.IP
useRoute bool
iface *logicalInterface
err error
}{
{
cfg: digitalocean.Interface{
MAC: "bad",
},
err: errors.New("invalid MAC address: bad"),
},
{
cfg: digitalocean.Interface{
MAC: "01:23:45:67:89:AB",
},
nss: []net.IP{},
iface: &logicalInterface{
hwaddr: net.HardwareAddr([]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab}),
config: configMethodStatic{
addresses: []net.IPNet{},
nameservers: []net.IP{},
routes: []route{},
},
},
},
{
cfg: digitalocean.Interface{
MAC: "01:23:45:67:89:AB",
},
useRoute: true,
nss: []net.IP{net.ParseIP("1.2.3.4")},
iface: &logicalInterface{
hwaddr: net.HardwareAddr([]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab}),
config: configMethodStatic{
addresses: []net.IPNet{},
nameservers: []net.IP{net.ParseIP("1.2.3.4")},
routes: []route{},
},
},
},
{
cfg: digitalocean.Interface{
MAC: "01:23:45:67:89:AB",
IPv4: &digitalocean.Address{
IPAddress: "bad",
Netmask: "255.255.0.0",
},
},
nss: []net.IP{},
err: errors.New("could not parse \"bad\" as IPv4 address"),
},
{
cfg: digitalocean.Interface{
MAC: "01:23:45:67:89:AB",
IPv4: &digitalocean.Address{
IPAddress: "1.2.3.4",
Netmask: "bad",
},
},
nss: []net.IP{},
err: errors.New("could not parse \"bad\" as IPv4 mask"),
},
{
cfg: digitalocean.Interface{
MAC: "01:23:45:67:89:AB",
IPv4: &digitalocean.Address{
IPAddress: "1.2.3.4",
Netmask: "255.255.0.0",
Gateway: "ignoreme",
},
},
nss: []net.IP{},
iface: &logicalInterface{
hwaddr: net.HardwareAddr([]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab}),
config: configMethodStatic{
addresses: []net.IPNet{net.IPNet{
IP: net.ParseIP("1.2.3.4"),
Mask: net.IPMask(net.ParseIP("255.255.0.0")),
}},
nameservers: []net.IP{},
routes: []route{},
},
},
},
{
cfg: digitalocean.Interface{
MAC: "01:23:45:67:89:AB",
IPv4: &digitalocean.Address{
IPAddress: "1.2.3.4",
Netmask: "255.255.0.0",
Gateway: "bad",
},
},
useRoute: true,
nss: []net.IP{},
err: errors.New("could not parse \"bad\" as IPv4 gateway"),
},
{
cfg: digitalocean.Interface{
MAC: "01:23:45:67:89:AB",
IPv4: &digitalocean.Address{
IPAddress: "1.2.3.4",
Netmask: "255.255.0.0",
Gateway: "5.6.7.8",
},
},
useRoute: true,
nss: []net.IP{},
iface: &logicalInterface{
hwaddr: net.HardwareAddr([]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab}),
config: configMethodStatic{
addresses: []net.IPNet{net.IPNet{
IP: net.ParseIP("1.2.3.4"),
Mask: net.IPMask(net.ParseIP("255.255.0.0")),
}},
nameservers: []net.IP{},
routes: []route{route{
net.IPNet{IP: net.IPv4zero, Mask: net.IPMask(net.IPv4zero)},
net.ParseIP("5.6.7.8"),
}},
},
},
},
{
cfg: digitalocean.Interface{
MAC: "01:23:45:67:89:AB",
IPv6: &digitalocean.Address{
IPAddress: "bad",
Cidr: 16,
},
},
nss: []net.IP{},
err: errors.New("could not parse \"bad\" as IPv6 address"),
},
{
cfg: digitalocean.Interface{
MAC: "01:23:45:67:89:AB",
IPv6: &digitalocean.Address{
IPAddress: "fe00::",
Cidr: 16,
Gateway: "ignoreme",
},
},
nss: []net.IP{},
iface: &logicalInterface{
hwaddr: net.HardwareAddr([]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab}),
config: configMethodStatic{
addresses: []net.IPNet{net.IPNet{
IP: net.ParseIP("fe00::"),
Mask: net.IPMask(net.ParseIP("ffff::")),
}},
nameservers: []net.IP{},
routes: []route{},
},
},
},
{
cfg: digitalocean.Interface{
MAC: "01:23:45:67:89:AB",
IPv6: &digitalocean.Address{
IPAddress: "fe00::",
Cidr: 16,
Gateway: "bad",
},
},
useRoute: true,
nss: []net.IP{},
err: errors.New("could not parse \"bad\" as IPv6 gateway"),
},
{
cfg: digitalocean.Interface{
MAC: "01:23:45:67:89:AB",
IPv6: &digitalocean.Address{
IPAddress: "fe00::",
Cidr: 16,
Gateway: "fe00:1234::",
},
},
useRoute: true,
nss: []net.IP{},
iface: &logicalInterface{
hwaddr: net.HardwareAddr([]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab}),
config: configMethodStatic{
addresses: []net.IPNet{net.IPNet{
IP: net.ParseIP("fe00::"),
Mask: net.IPMask(net.ParseIP("ffff::")),
}},
nameservers: []net.IP{},
routes: []route{route{
net.IPNet{IP: net.IPv6zero, Mask: net.IPMask(net.IPv6zero)},
net.ParseIP("fe00:1234::"),
}},
},
},
},
} {
iface, err := parseInterface(tt.cfg, tt.nss, tt.useRoute)
if !errorsEqual(tt.err, err) {
t.Fatalf("bad error (%+v): want %q, got %q", tt.cfg, tt.err, err)
}
if !reflect.DeepEqual(tt.iface, iface) {
t.Fatalf("bad interface (%+v): want %#v, got %#v", tt.cfg, tt.iface, iface)
}
}
}
func TestParseInterfaces(t *testing.T) {
for _, tt := range []struct {
cfg digitalocean.Interfaces
nss []net.IP
ifaces []InterfaceGenerator
err error
}{
{
ifaces: []InterfaceGenerator{},
},
{
cfg: digitalocean.Interfaces{
Public: []digitalocean.Interface{{MAC: "01:23:45:67:89:AB"}},
},
ifaces: []InterfaceGenerator{
&physicalInterface{logicalInterface{
hwaddr: net.HardwareAddr([]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab}),
config: configMethodStatic{
addresses: []net.IPNet{},
nameservers: []net.IP{},
routes: []route{},
},
}},
},
},
{
cfg: digitalocean.Interfaces{
Private: []digitalocean.Interface{{MAC: "01:23:45:67:89:AB"}},
},
ifaces: []InterfaceGenerator{
&physicalInterface{logicalInterface{
hwaddr: net.HardwareAddr([]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab}),
config: configMethodStatic{
addresses: []net.IPNet{},
nameservers: []net.IP{},
routes: []route{},
},
}},
},
},
{
cfg: digitalocean.Interfaces{
Public: []digitalocean.Interface{{MAC: "01:23:45:67:89:AB"}},
},
nss: []net.IP{net.ParseIP("1.2.3.4")},
ifaces: []InterfaceGenerator{
&physicalInterface{logicalInterface{
hwaddr: net.HardwareAddr([]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab}),
config: configMethodStatic{
addresses: []net.IPNet{},
nameservers: []net.IP{net.ParseIP("1.2.3.4")},
routes: []route{},
},
}},
},
},
{
cfg: digitalocean.Interfaces{
Private: []digitalocean.Interface{{MAC: "01:23:45:67:89:AB"}},
},
nss: []net.IP{net.ParseIP("1.2.3.4")},
ifaces: []InterfaceGenerator{
&physicalInterface{logicalInterface{
hwaddr: net.HardwareAddr([]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab}),
config: configMethodStatic{
addresses: []net.IPNet{},
nameservers: []net.IP{},
routes: []route{},
},
}},
},
},
{
cfg: digitalocean.Interfaces{
Public: []digitalocean.Interface{{MAC: "bad"}},
},
err: errors.New("invalid MAC address: bad"),
},
{
cfg: digitalocean.Interfaces{
Private: []digitalocean.Interface{{MAC: "bad"}},
},
err: errors.New("invalid MAC address: bad"),
},
} {
ifaces, err := parseInterfaces(tt.cfg, tt.nss)
if !errorsEqual(tt.err, err) {
t.Fatalf("bad error (%+v): want %q, got %q", tt.cfg, tt.err, err)
}
if !reflect.DeepEqual(tt.ifaces, ifaces) {
t.Fatalf("bad interfaces (%+v): want %#v, got %#v", tt.cfg, tt.ifaces, ifaces)
}
}
}
func TestProcessDigitalOceanNetconf(t *testing.T) {
for _, tt := range []struct {
cfg string
ifaces []InterfaceGenerator
err error
}{
{
cfg: ``,
},
{
cfg: `{"dns":{"nameservers":["bad"]}}`,
err: errors.New("could not parse \"bad\" as nameserver IP address"),
},
{
cfg: `{"interfaces":{"public":[{"ipv4":{"ip_address":"bad"}}]}}`,
err: errors.New("could not parse \"bad\" as IPv4 address"),
},
{
cfg: `{}`,
ifaces: []InterfaceGenerator{},
},
} {
ifaces, err := ProcessDigitalOceanNetconf([]byte(tt.cfg))
if !errorsEqual(tt.err, err) {
t.Fatalf("bad error (%q): want %q, got %q", tt.cfg, tt.err, err)
}
if !reflect.DeepEqual(tt.ifaces, ifaces) {
t.Fatalf("bad interfaces (%q): want %#v, got %#v", tt.cfg, tt.ifaces, ifaces)
}
}
}
func errorsEqual(a, b error) bool {
if a == nil && b == nil {
return true
}
if (a != nil && b == nil) || (a == nil && b != nil) {
return false
}
return (a.Error() == b.Error())
}