Sébastien Han
bce1474f06
We now support reading Network Attachment Definitions with a "static" IPAM. Also added more unit tests. Signed-off-by: Sébastien Han <seb@redhat.com>
319 lines
7.9 KiB
Go
319 lines
7.9 KiB
Go
/*
|
|
Copyright 2020 The Rook Authors. All rights reserved.
|
|
|
|
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 config
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"testing"
|
|
|
|
networkv1 "github.com/k8snetworkplumbingwg/network-attachment-definition-client/pkg/apis/k8s.cni.cncf.io/v1"
|
|
fakenetclient "github.com/k8snetworkplumbingwg/network-attachment-definition-client/pkg/client/clientset/versioned/fake"
|
|
"github.com/rook/rook/pkg/clusterd"
|
|
"github.com/rook/rook/pkg/operator/k8sutil"
|
|
testop "github.com/rook/rook/pkg/operator/test"
|
|
"github.com/stretchr/testify/assert"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
)
|
|
|
|
func TestGenerateNetworkSettings(t *testing.T) {
|
|
ctxt := context.TODO()
|
|
ns := "rook-ceph"
|
|
clientset := testop.New(t, 1)
|
|
ctx := &clusterd.Context{
|
|
Clientset: clientset,
|
|
NetworkClient: fakenetclient.NewSimpleClientset().K8sCniCncfIoV1(),
|
|
}
|
|
|
|
//
|
|
// TEST 1: network definition does not exist
|
|
//
|
|
netSelector := map[string]string{
|
|
"public": "public-network-attach-def",
|
|
}
|
|
|
|
_, err := generateNetworkSettings(ctx, ns, netSelector)
|
|
assert.Error(t, err)
|
|
|
|
//
|
|
// TEST 2: single dedicated networks
|
|
//
|
|
expectedNetworks := []Option{
|
|
{
|
|
Who: "global",
|
|
Option: "public_network",
|
|
Value: "192.168.0.0/24",
|
|
},
|
|
{
|
|
Who: "global",
|
|
Option: "cluster_network",
|
|
Value: "192.168.0.0/24",
|
|
},
|
|
}
|
|
|
|
// this nad uses whereabouts cni
|
|
network := &networkv1.NetworkAttachmentDefinition{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "public-network-attach-def",
|
|
Namespace: ns,
|
|
},
|
|
Spec: networkv1.NetworkAttachmentDefinitionSpec{
|
|
Config: `{
|
|
"cniVersion": "0.3.0",
|
|
"type": "macvlan",
|
|
"master": "eth2",
|
|
"mode": "bridge",
|
|
"ipam": {
|
|
"type": "host-local",
|
|
"subnet": "192.168.0.0/24",
|
|
"gateway": "172.18.8.1"
|
|
}
|
|
}`,
|
|
},
|
|
}
|
|
|
|
// Create public network definition
|
|
_, err = ctx.NetworkClient.NetworkAttachmentDefinitions(ns).Create(ctxt, network, metav1.CreateOptions{})
|
|
assert.NoError(t, err)
|
|
|
|
cephNetwork, err := generateNetworkSettings(ctx, ns, netSelector)
|
|
assert.NoError(t, err)
|
|
assert.ElementsMatch(t, cephNetwork, expectedNetworks, fmt.Sprintf("networks: %+v", cephNetwork))
|
|
|
|
//
|
|
// TEST 3: two dedicated networks
|
|
//
|
|
expectedNetworks = []Option{
|
|
{
|
|
Who: "global",
|
|
Option: "public_network",
|
|
Value: "192.168.0.0/24",
|
|
},
|
|
{
|
|
Who: "global",
|
|
Option: "cluster_network",
|
|
Value: "172.18.0.0/16",
|
|
},
|
|
}
|
|
|
|
netSelector = map[string]string{
|
|
"public": "public-network-attach-def",
|
|
"cluster": "cluster-network-attach-def",
|
|
}
|
|
network2 := &networkv1.NetworkAttachmentDefinition{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "cluster-network-attach-def",
|
|
Namespace: ns,
|
|
},
|
|
Spec: networkv1.NetworkAttachmentDefinitionSpec{
|
|
Config: `{
|
|
"cniVersion": "0.3.0",
|
|
"type": "macvlan",
|
|
"master": "eth2",
|
|
"mode": "bridge",
|
|
"ipam": {
|
|
"type": "host-local",
|
|
"subnet": "172.18.0.0/16",
|
|
"gateway": "172.18.0.1"
|
|
}
|
|
}`,
|
|
},
|
|
}
|
|
|
|
// Create cluster network definition
|
|
_, err = ctx.NetworkClient.NetworkAttachmentDefinitions(ns).Create(ctxt, network2, metav1.CreateOptions{})
|
|
assert.NoError(t, err)
|
|
|
|
cephNetwork, err = generateNetworkSettings(ctx, ns, netSelector)
|
|
assert.NoError(t, err)
|
|
assert.ElementsMatch(t, cephNetwork, expectedNetworks, fmt.Sprintf("networks: %+v", cephNetwork))
|
|
}
|
|
|
|
func TestGetNetworkRange(t *testing.T) {
|
|
t.Run("simple host-local IPAM test", func(t *testing.T) {
|
|
ns := "rook-ceph"
|
|
nad := &networkv1.NetworkAttachmentDefinition{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "public-network-attach-def",
|
|
Namespace: ns,
|
|
},
|
|
Spec: networkv1.NetworkAttachmentDefinitionSpec{
|
|
Config: `{
|
|
"cniVersion": "0.3.0",
|
|
"type": "macvlan",
|
|
"master": "eth2",
|
|
"mode": "bridge",
|
|
"ipam": {
|
|
"type": "host-local",
|
|
"subnet": "",
|
|
"gateway": "172.18.8.1"
|
|
}
|
|
}`,
|
|
},
|
|
}
|
|
|
|
netConfig, err := k8sutil.GetNetworkAttachmentConfig(*nad)
|
|
assert.NoError(t, err)
|
|
|
|
//
|
|
// TEST 1: subnet/range is empty
|
|
//
|
|
networkRange := getNetworkRange(netConfig)
|
|
assert.Empty(t, networkRange)
|
|
|
|
//
|
|
// TEST 2: subnet is not empty
|
|
//
|
|
netConfig.Ipam.Type = "host-local"
|
|
netConfig.Ipam.Subnet = "192.168.0.0/24"
|
|
networkRange = getNetworkRange(netConfig)
|
|
assert.Equal(t, "192.168.0.0/24", networkRange)
|
|
})
|
|
|
|
t.Run("advanced host-local IPAM test", func(t *testing.T) {
|
|
ns := "rook-ceph"
|
|
nad := &networkv1.NetworkAttachmentDefinition{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "public-network-attach-def",
|
|
Namespace: ns,
|
|
},
|
|
Spec: networkv1.NetworkAttachmentDefinitionSpec{
|
|
Config: `{
|
|
"ipam": {
|
|
"type": "host-local",
|
|
"ranges": [
|
|
[
|
|
{
|
|
"subnet": "10.10.0.0/16",
|
|
"rangeStart": "10.10.1.20",
|
|
"rangeEnd": "10.10.3.50",
|
|
"gateway": "10.10.0.254"
|
|
},
|
|
{
|
|
"subnet": "172.16.5.0/24"
|
|
}
|
|
],
|
|
[
|
|
{
|
|
"subnet": "3ffe:ffff:0:01ff::/64",
|
|
"rangeStart": "3ffe:ffff:0:01ff::0010",
|
|
"rangeEnd": "3ffe:ffff:0:01ff::0020"
|
|
}
|
|
]
|
|
],
|
|
"routes": [
|
|
{ "dst": "0.0.0.0/0" },
|
|
{ "dst": "192.168.0.0/16", "gw": "10.10.5.1" },
|
|
{ "dst": "3ffe:ffff:0:01ff::1/64" }
|
|
],
|
|
"dataDir": "/run/my-orchestrator/container-ipam-state"
|
|
}
|
|
}`,
|
|
},
|
|
}
|
|
|
|
netConfig, err := k8sutil.GetNetworkAttachmentConfig(*nad)
|
|
assert.NoError(t, err)
|
|
networkRange := getNetworkRange(netConfig)
|
|
assert.Equal(t, "10.10.0.0/16,172.16.5.0/24,3ffe:ffff:0:01ff::/64", networkRange)
|
|
})
|
|
|
|
t.Run("advanced static IPAM test", func(t *testing.T) {
|
|
ns := "rook-ceph"
|
|
nad := &networkv1.NetworkAttachmentDefinition{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "public-network-attach-def",
|
|
Namespace: ns,
|
|
},
|
|
Spec: networkv1.NetworkAttachmentDefinitionSpec{
|
|
Config: `{
|
|
"ipam": {
|
|
"type": "static",
|
|
"addresses": [
|
|
{
|
|
"address": "10.10.0.1/24",
|
|
"gateway": "10.10.0.254"
|
|
},
|
|
{
|
|
"address": "3ffe:ffff:0:01ff::1/64",
|
|
"gateway": "3ffe:ffff:0::1"
|
|
}
|
|
],
|
|
"routes": [
|
|
{ "dst": "0.0.0.0/0" },
|
|
{ "dst": "192.168.0.0/16", "gw": "10.10.5.1" },
|
|
{ "dst": "3ffe:ffff:0:01ff::1/64" }
|
|
],
|
|
"dns": {
|
|
"nameservers" : ["8.8.8.8"],
|
|
"domain": "example.com",
|
|
"search": [ "example.com" ]
|
|
}
|
|
}
|
|
}`,
|
|
},
|
|
}
|
|
netConfig, err := k8sutil.GetNetworkAttachmentConfig(*nad)
|
|
assert.NoError(t, err)
|
|
networkRange := getNetworkRange(netConfig)
|
|
assert.Equal(t, "10.10.0.1/24,3ffe:ffff:0:01ff::1/64", networkRange)
|
|
})
|
|
|
|
t.Run("advanced whereabouts IPAM test", func(t *testing.T) {
|
|
ns := "rook-ceph"
|
|
nad := &networkv1.NetworkAttachmentDefinition{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "public-network-attach-def",
|
|
Namespace: ns,
|
|
},
|
|
Spec: networkv1.NetworkAttachmentDefinitionSpec{
|
|
Config: `{
|
|
"cniVersion": "0.3.0",
|
|
"name": "whereaboutsexample",
|
|
"type": "macvlan",
|
|
"master": "eth0",
|
|
"mode": "bridge",
|
|
"ipam": {
|
|
"type": "whereabouts",
|
|
"range": "192.168.2.225/28",
|
|
"exclude": [
|
|
"192.168.2.229/30",
|
|
"192.168.2.236/32"
|
|
]
|
|
}
|
|
}`,
|
|
},
|
|
}
|
|
netConfig, err := k8sutil.GetNetworkAttachmentConfig(*nad)
|
|
assert.NoError(t, err)
|
|
networkRange := getNetworkRange(netConfig)
|
|
assert.Equal(t, "192.168.2.225/28", networkRange)
|
|
})
|
|
}
|
|
|
|
func TestGetMultusNamespace(t *testing.T) {
|
|
// TEST 1: When namespace is specified with the NAD
|
|
namespace, nad := GetMultusNamespace("multus-ns/public-nad")
|
|
assert.Equal(t, "multus-ns", namespace)
|
|
assert.Equal(t, "public-nad", nad)
|
|
|
|
// TEST 2: When only NAD is specified
|
|
namespace, nad = GetMultusNamespace("public-nad")
|
|
assert.Empty(t, namespace)
|
|
assert.Equal(t, "public-nad", nad)
|
|
}
|