0a10dc921c
This commit adds support for defining preshared keys when declaring a new Peer CRD. This preshared key will be used whenever the nodes in the Kilo mesh communicate with that peer. Signed-off-by: Lucas Servén Marín <lserven@gmail.com>
371 lines
8.8 KiB
Go
371 lines
8.8 KiB
Go
// Copyright 2019 the Kilo authors
|
|
//
|
|
// 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 k8s
|
|
|
|
import (
|
|
"net"
|
|
"testing"
|
|
|
|
"github.com/kylelemons/godebug/pretty"
|
|
v1 "k8s.io/api/core/v1"
|
|
|
|
"github.com/squat/kilo/pkg/k8s/apis/kilo/v1alpha1"
|
|
"github.com/squat/kilo/pkg/mesh"
|
|
"github.com/squat/kilo/pkg/wireguard"
|
|
)
|
|
|
|
func TestTranslateNode(t *testing.T) {
|
|
for _, tc := range []struct {
|
|
name string
|
|
annotations map[string]string
|
|
labels map[string]string
|
|
out *mesh.Node
|
|
subnet string
|
|
}{
|
|
{
|
|
name: "empty",
|
|
annotations: nil,
|
|
out: &mesh.Node{},
|
|
},
|
|
{
|
|
name: "invalid ips",
|
|
annotations: map[string]string{
|
|
endpointAnnotationKey: "10.0.0.1",
|
|
internalIPAnnotationKey: "foo",
|
|
},
|
|
out: &mesh.Node{},
|
|
},
|
|
{
|
|
name: "valid ips",
|
|
annotations: map[string]string{
|
|
endpointAnnotationKey: "10.0.0.1:51820",
|
|
internalIPAnnotationKey: "10.0.0.2/32",
|
|
},
|
|
out: &mesh.Node{
|
|
Endpoint: &wireguard.Endpoint{DNSOrIP: wireguard.DNSOrIP{IP: net.ParseIP("10.0.0.1")}, Port: mesh.DefaultKiloPort},
|
|
InternalIP: &net.IPNet{IP: net.ParseIP("10.0.0.2"), Mask: net.CIDRMask(32, 32)},
|
|
},
|
|
},
|
|
{
|
|
name: "invalid subnet",
|
|
annotations: map[string]string{},
|
|
out: &mesh.Node{},
|
|
subnet: "foo",
|
|
},
|
|
{
|
|
name: "normalize subnet",
|
|
annotations: map[string]string{},
|
|
out: &mesh.Node{
|
|
Subnet: &net.IPNet{IP: net.ParseIP("10.2.0.0"), Mask: net.CIDRMask(24, 32)},
|
|
},
|
|
subnet: "10.2.0.1/24",
|
|
},
|
|
{
|
|
name: "valid subnet",
|
|
annotations: map[string]string{},
|
|
out: &mesh.Node{
|
|
Subnet: &net.IPNet{IP: net.ParseIP("10.2.1.0"), Mask: net.CIDRMask(24, 32)},
|
|
},
|
|
subnet: "10.2.1.0/24",
|
|
},
|
|
{
|
|
name: "region",
|
|
labels: map[string]string{
|
|
regionLabelKey: "a",
|
|
},
|
|
out: &mesh.Node{
|
|
Location: "a",
|
|
},
|
|
},
|
|
{
|
|
name: "region override",
|
|
annotations: map[string]string{
|
|
locationAnnotationKey: "b",
|
|
},
|
|
labels: map[string]string{
|
|
regionLabelKey: "a",
|
|
},
|
|
out: &mesh.Node{
|
|
Location: "b",
|
|
},
|
|
},
|
|
{
|
|
name: "invalid endpoint override",
|
|
annotations: map[string]string{
|
|
endpointAnnotationKey: "10.0.0.1:51820",
|
|
forceEndpointAnnotationKey: "-10.0.0.2:51821",
|
|
},
|
|
out: &mesh.Node{
|
|
Endpoint: &wireguard.Endpoint{DNSOrIP: wireguard.DNSOrIP{IP: net.ParseIP("10.0.0.1")}, Port: mesh.DefaultKiloPort},
|
|
},
|
|
},
|
|
{
|
|
name: "endpoint override",
|
|
annotations: map[string]string{
|
|
endpointAnnotationKey: "10.0.0.1:51820",
|
|
forceEndpointAnnotationKey: "10.0.0.2:51821",
|
|
},
|
|
out: &mesh.Node{
|
|
Endpoint: &wireguard.Endpoint{DNSOrIP: wireguard.DNSOrIP{IP: net.ParseIP("10.0.0.2")}, Port: 51821},
|
|
},
|
|
},
|
|
{
|
|
name: "wireguard persistent keepalive override",
|
|
annotations: map[string]string{
|
|
persistentKeepaliveKey: "25",
|
|
},
|
|
out: &mesh.Node{
|
|
PersistentKeepalive: 25,
|
|
},
|
|
},
|
|
{
|
|
name: "invalid internal IP override",
|
|
annotations: map[string]string{
|
|
internalIPAnnotationKey: "10.1.0.1/24",
|
|
forceInternalIPAnnotationKey: "-10.1.0.2/24",
|
|
},
|
|
out: &mesh.Node{
|
|
InternalIP: &net.IPNet{IP: net.ParseIP("10.1.0.1"), Mask: net.CIDRMask(24, 32)},
|
|
},
|
|
},
|
|
{
|
|
name: "internal IP override",
|
|
annotations: map[string]string{
|
|
internalIPAnnotationKey: "10.1.0.1/24",
|
|
forceInternalIPAnnotationKey: "10.1.0.2/24",
|
|
},
|
|
out: &mesh.Node{
|
|
InternalIP: &net.IPNet{IP: net.ParseIP("10.1.0.2"), Mask: net.CIDRMask(24, 32)},
|
|
},
|
|
},
|
|
{
|
|
name: "invalid time",
|
|
annotations: map[string]string{
|
|
lastSeenAnnotationKey: "foo",
|
|
},
|
|
out: &mesh.Node{},
|
|
},
|
|
{
|
|
name: "complete",
|
|
annotations: map[string]string{
|
|
endpointAnnotationKey: "10.0.0.1:51820",
|
|
forceEndpointAnnotationKey: "10.0.0.2:51821",
|
|
forceInternalIPAnnotationKey: "10.1.0.2/32",
|
|
internalIPAnnotationKey: "10.1.0.1/32",
|
|
keyAnnotationKey: "foo",
|
|
lastSeenAnnotationKey: "1000000000",
|
|
leaderAnnotationKey: "",
|
|
locationAnnotationKey: "b",
|
|
persistentKeepaliveKey: "25",
|
|
wireGuardIPAnnotationKey: "10.4.0.1/16",
|
|
},
|
|
labels: map[string]string{
|
|
regionLabelKey: "a",
|
|
},
|
|
out: &mesh.Node{
|
|
Endpoint: &wireguard.Endpoint{DNSOrIP: wireguard.DNSOrIP{IP: net.ParseIP("10.0.0.2")}, Port: 51821},
|
|
InternalIP: &net.IPNet{IP: net.ParseIP("10.1.0.2"), Mask: net.CIDRMask(32, 32)},
|
|
Key: []byte("foo"),
|
|
LastSeen: 1000000000,
|
|
Leader: true,
|
|
Location: "b",
|
|
PersistentKeepalive: 25,
|
|
Subnet: &net.IPNet{IP: net.ParseIP("10.2.1.0"), Mask: net.CIDRMask(24, 32)},
|
|
WireGuardIP: &net.IPNet{IP: net.ParseIP("10.4.0.1"), Mask: net.CIDRMask(16, 32)},
|
|
},
|
|
subnet: "10.2.1.0/24",
|
|
},
|
|
} {
|
|
n := &v1.Node{}
|
|
n.ObjectMeta.Annotations = tc.annotations
|
|
n.ObjectMeta.Labels = tc.labels
|
|
n.Spec.PodCIDR = tc.subnet
|
|
node := translateNode(n)
|
|
if diff := pretty.Compare(node, tc.out); diff != "" {
|
|
t.Errorf("test case %q: got diff: %v", tc.name, diff)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestTranslatePeer(t *testing.T) {
|
|
for _, tc := range []struct {
|
|
name string
|
|
out *mesh.Peer
|
|
spec v1alpha1.PeerSpec
|
|
}{
|
|
{
|
|
name: "empty",
|
|
out: &mesh.Peer{},
|
|
},
|
|
{
|
|
name: "invalid ips",
|
|
spec: v1alpha1.PeerSpec{
|
|
AllowedIPs: []string{
|
|
"10.0.0.1",
|
|
"foo",
|
|
},
|
|
},
|
|
out: &mesh.Peer{},
|
|
},
|
|
{
|
|
name: "valid ips",
|
|
spec: v1alpha1.PeerSpec{
|
|
AllowedIPs: []string{
|
|
"10.0.0.1/24",
|
|
"10.0.0.2/32",
|
|
},
|
|
},
|
|
out: &mesh.Peer{
|
|
Peer: wireguard.Peer{
|
|
AllowedIPs: []*net.IPNet{
|
|
{IP: net.ParseIP("10.0.0.1"), Mask: net.CIDRMask(24, 32)},
|
|
{IP: net.ParseIP("10.0.0.2"), Mask: net.CIDRMask(32, 32)},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "invalid endpoint ip",
|
|
spec: v1alpha1.PeerSpec{
|
|
Endpoint: &v1alpha1.PeerEndpoint{
|
|
IP: "foo",
|
|
Port: mesh.DefaultKiloPort,
|
|
},
|
|
},
|
|
out: &mesh.Peer{},
|
|
},
|
|
{
|
|
name: "valid endpoint",
|
|
spec: v1alpha1.PeerSpec{
|
|
Endpoint: &v1alpha1.PeerEndpoint{
|
|
IP: "10.0.0.1",
|
|
Port: mesh.DefaultKiloPort,
|
|
},
|
|
},
|
|
out: &mesh.Peer{
|
|
Peer: wireguard.Peer{
|
|
Endpoint: &wireguard.Endpoint{
|
|
DNSOrIP: wireguard.DNSOrIP{IP: net.ParseIP("10.0.0.1")},
|
|
Port: mesh.DefaultKiloPort,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "empty key",
|
|
spec: v1alpha1.PeerSpec{
|
|
PublicKey: "",
|
|
},
|
|
out: &mesh.Peer{},
|
|
},
|
|
{
|
|
name: "valid key",
|
|
spec: v1alpha1.PeerSpec{
|
|
PublicKey: "foo",
|
|
},
|
|
out: &mesh.Peer{
|
|
Peer: wireguard.Peer{
|
|
PublicKey: []byte("foo"),
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "invalid keepalive",
|
|
spec: v1alpha1.PeerSpec{
|
|
PersistentKeepalive: -1,
|
|
},
|
|
out: &mesh.Peer{},
|
|
},
|
|
{
|
|
name: "valid keepalive",
|
|
spec: v1alpha1.PeerSpec{
|
|
PersistentKeepalive: 1,
|
|
},
|
|
out: &mesh.Peer{
|
|
Peer: wireguard.Peer{
|
|
PersistentKeepalive: 1,
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "valid preshared key",
|
|
spec: v1alpha1.PeerSpec{
|
|
PresharedKey: "psk",
|
|
},
|
|
out: &mesh.Peer{
|
|
Peer: wireguard.Peer{
|
|
PresharedKey: []byte("psk"),
|
|
},
|
|
},
|
|
},
|
|
} {
|
|
p := &v1alpha1.Peer{}
|
|
p.Spec = tc.spec
|
|
peer := translatePeer(p)
|
|
if diff := pretty.Compare(peer, tc.out); diff != "" {
|
|
t.Errorf("test case %q: got diff: %v", tc.name, diff)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestParseEndpoint(t *testing.T) {
|
|
for _, tc := range []struct {
|
|
name string
|
|
endpoint string
|
|
out *wireguard.Endpoint
|
|
}{
|
|
{
|
|
name: "empty",
|
|
endpoint: "",
|
|
out: nil,
|
|
},
|
|
{
|
|
name: "invalid IP",
|
|
endpoint: "10.0.0.:51820",
|
|
out: nil,
|
|
},
|
|
{
|
|
name: "invalid hostname",
|
|
endpoint: "foo-:51820",
|
|
out: nil,
|
|
},
|
|
{
|
|
name: "invalid port",
|
|
endpoint: "10.0.0.1:100000000",
|
|
out: nil,
|
|
},
|
|
{
|
|
name: "valid IP",
|
|
endpoint: "10.0.0.1:51820",
|
|
out: &wireguard.Endpoint{DNSOrIP: wireguard.DNSOrIP{IP: net.ParseIP("10.0.0.1")}, Port: mesh.DefaultKiloPort},
|
|
},
|
|
{
|
|
name: "valid IPv6",
|
|
endpoint: "[ff02::114]:51820",
|
|
out: &wireguard.Endpoint{DNSOrIP: wireguard.DNSOrIP{IP: net.ParseIP("ff02::114")}, Port: mesh.DefaultKiloPort},
|
|
},
|
|
{
|
|
name: "valid hostname",
|
|
endpoint: "foo:51821",
|
|
out: &wireguard.Endpoint{DNSOrIP: wireguard.DNSOrIP{DNS: "foo"}, Port: 51821},
|
|
},
|
|
} {
|
|
endpoint := parseEndpoint(tc.endpoint)
|
|
if diff := pretty.Compare(endpoint, tc.out); diff != "" {
|
|
t.Errorf("test case %q: got diff: %v", tc.name, diff)
|
|
}
|
|
}
|
|
}
|