kops/upup/pkg/fi/cloudup/new_cluster_test.go

483 lines
11 KiB
Go

/*
Copyright 2019 The Kubernetes 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 cloudup
import (
"reflect"
"testing"
"sigs.k8s.io/yaml"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
api "k8s.io/kops/pkg/apis/kops"
"k8s.io/kops/pkg/diff"
"k8s.io/kops/upup/pkg/fi"
"k8s.io/kops/util/pkg/architectures"
)
func TestRemoveSharedPrefix(t *testing.T) {
grid := []struct {
Input []string
Output []string
}{
{
Input: []string{"a", "b", "c"},
Output: []string{"a", "b", "c"},
},
{
Input: []string{"za", "zb", "zc"},
Output: []string{"a", "b", "c"},
},
{
Input: []string{"zza", "zzb", "zzc"},
Output: []string{"a", "b", "c"},
},
{
Input: []string{"zza", "zzb", ""},
Output: []string{"zza", "zzb", ""},
},
{
Input: []string{"us-test-1a-1", "us-test-1a-2", "us-test-1a-3"},
Output: []string{"etcd-1", "etcd-2", "etcd-3"},
},
{
Input: []string{"us-test-1a-1", "us-test-1b-1", "us-test-1a-2", "us-test-1b-2", "us-test-1a-3"},
Output: []string{"a-1", "b-1", "a-2", "b-2", "a-3"},
},
}
for _, g := range grid {
actual := trimCommonPrefix(g.Input)
if !reflect.DeepEqual(actual, g.Output) {
t.Errorf("unexpected result from %q. actual=%v, expected=%v", g.Input, actual, g.Output)
}
}
}
func TestCreateEtcdCluster(t *testing.T) {
masters := []*api.InstanceGroup{
{
ObjectMeta: metav1.ObjectMeta{
Name: "master1",
},
},
}
name := "foo"
etcd := createEtcdCluster(name, masters, false, "")
if name != etcd.Name {
t.Errorf("Expected: %v, Got: %v", name, etcd.Name)
}
}
func TestSetupNetworking(t *testing.T) {
tests := []struct {
options NewClusterOptions
actual api.Cluster
expected api.Cluster
}{
{
options: NewClusterOptions{
Networking: "kubenet",
},
expected: api.Cluster{
Spec: api.ClusterSpec{
Networking: api.NetworkingSpec{
Kubenet: &api.KubenetNetworkingSpec{},
},
},
},
},
{
options: NewClusterOptions{
Networking: "external",
},
expected: api.Cluster{
Spec: api.ClusterSpec{
Networking: api.NetworkingSpec{
External: &api.ExternalNetworkingSpec{},
},
},
},
},
{
options: NewClusterOptions{
Networking: "cni",
},
expected: api.Cluster{
Spec: api.ClusterSpec{
Networking: api.NetworkingSpec{
CNI: &api.CNINetworkingSpec{},
},
},
},
},
{
options: NewClusterOptions{
Networking: "kopeio",
},
expected: api.Cluster{
Spec: api.ClusterSpec{
Networking: api.NetworkingSpec{
Kopeio: &api.KopeioNetworkingSpec{},
},
},
},
},
{
options: NewClusterOptions{
Networking: "kopeio-vxlan",
},
expected: api.Cluster{
Spec: api.ClusterSpec{
Networking: api.NetworkingSpec{
Kopeio: &api.KopeioNetworkingSpec{},
},
},
},
},
{
options: NewClusterOptions{
Networking: "weave",
},
expected: api.Cluster{
Spec: api.ClusterSpec{
Networking: api.NetworkingSpec{
Weave: &api.WeaveNetworkingSpec{},
},
},
},
},
{
options: NewClusterOptions{
Networking: "flannel",
},
expected: api.Cluster{
Spec: api.ClusterSpec{
Networking: api.NetworkingSpec{
Flannel: &api.FlannelNetworkingSpec{
Backend: "vxlan",
},
},
},
},
},
{
options: NewClusterOptions{
Networking: "flannel-vxlan",
},
expected: api.Cluster{
Spec: api.ClusterSpec{
Networking: api.NetworkingSpec{
Flannel: &api.FlannelNetworkingSpec{
Backend: "vxlan",
},
},
},
},
},
{
options: NewClusterOptions{
Networking: "flannel-udp",
},
expected: api.Cluster{
Spec: api.ClusterSpec{
Networking: api.NetworkingSpec{
Flannel: &api.FlannelNetworkingSpec{
Backend: "udp",
},
},
},
},
},
{
options: NewClusterOptions{
Networking: "calico",
},
expected: api.Cluster{
Spec: api.ClusterSpec{
Networking: api.NetworkingSpec{
Calico: &api.CalicoNetworkingSpec{},
},
},
},
},
{
options: NewClusterOptions{
Networking: "canal",
},
expected: api.Cluster{
Spec: api.ClusterSpec{
Networking: api.NetworkingSpec{
Canal: &api.CanalNetworkingSpec{},
},
},
},
},
{
options: NewClusterOptions{
Networking: "kube-router",
},
expected: api.Cluster{
Spec: api.ClusterSpec{
KubeProxy: &api.KubeProxyConfig{
Enabled: fi.PtrTo(false),
},
Networking: api.NetworkingSpec{
KubeRouter: &api.KuberouterNetworkingSpec{},
},
},
},
},
{
options: NewClusterOptions{
Networking: "amazonvpc",
},
expected: api.Cluster{
Spec: api.ClusterSpec{
Networking: api.NetworkingSpec{
AmazonVPC: &api.AmazonVPCNetworkingSpec{},
},
},
},
},
{
options: NewClusterOptions{
Networking: "amazon-vpc-routed-eni",
},
expected: api.Cluster{
Spec: api.ClusterSpec{
Networking: api.NetworkingSpec{
AmazonVPC: &api.AmazonVPCNetworkingSpec{},
},
},
},
},
{
options: NewClusterOptions{
Networking: "cilium",
},
expected: api.Cluster{
Spec: api.ClusterSpec{
KubeProxy: &api.KubeProxyConfig{
Enabled: fi.PtrTo(false),
},
Networking: api.NetworkingSpec{
Cilium: &api.CiliumNetworkingSpec{
EnableNodePort: true,
},
},
},
},
},
{
options: NewClusterOptions{
Networking: "cilium-etcd",
},
expected: api.Cluster{
Spec: api.ClusterSpec{
KubeProxy: &api.KubeProxyConfig{
Enabled: fi.PtrTo(false),
},
Networking: api.NetworkingSpec{
Cilium: &api.CiliumNetworkingSpec{
EnableNodePort: true,
EtcdManaged: true,
},
},
},
},
},
{
options: NewClusterOptions{
Networking: "gce",
},
expected: api.Cluster{
Spec: api.ClusterSpec{
Networking: api.NetworkingSpec{
GCE: &api.GCENetworkingSpec{},
},
},
},
},
}
for _, test := range tests {
actual := api.Cluster{}
err := setupNetworking(&test.options, &actual)
if err != nil {
t.Errorf("error during network setup: %v", err)
}
expectedYaml, err := yaml.Marshal(test.expected)
if err != nil {
t.Errorf("error converting expected cluster spec to yaml: %v", err)
}
actualYaml, err := yaml.Marshal(actual)
if err != nil {
t.Errorf("error converting actual cluster spec to yaml: %v", err)
}
if string(expectedYaml) != string(actualYaml) {
diffString := diff.FormatDiff(string(expectedYaml), string(actualYaml))
t.Errorf("unexpected cluster networking setup:\n%s", diffString)
}
}
}
func TestDefaultImage(t *testing.T) {
tests := []struct {
cluster *api.Cluster
architecture architectures.Architecture
expected string
}{
{
cluster: &api.Cluster{
Spec: api.ClusterSpec{
KubernetesVersion: "v1.25.0",
CloudProvider: api.CloudProviderSpec{
AWS: &api.AWSSpec{},
},
},
},
architecture: architectures.ArchitectureAmd64,
expected: "099720109477/ubuntu/images/hvm-ssd/ubuntu-focal-20.04-amd64-server-20221018",
},
{
cluster: &api.Cluster{
Spec: api.ClusterSpec{
KubernetesVersion: "v1.25.0",
CloudProvider: api.CloudProviderSpec{
AWS: &api.AWSSpec{},
},
},
},
architecture: architectures.ArchitectureArm64,
expected: "099720109477/ubuntu/images/hvm-ssd/ubuntu-focal-20.04-arm64-server-20221018",
},
{
cluster: &api.Cluster{
Spec: api.ClusterSpec{
KubernetesVersion: "v1.25.0",
CloudProvider: api.CloudProviderSpec{
Azure: &api.AzureSpec{},
},
},
},
architecture: architectures.ArchitectureAmd64,
expected: "Canonical:0001-com-ubuntu-server-focal:20_04-lts-gen2:20.04.202210180",
},
{
cluster: &api.Cluster{
Spec: api.ClusterSpec{
KubernetesVersion: "v1.25.0",
CloudProvider: api.CloudProviderSpec{
GCE: &api.GCESpec{},
},
},
},
architecture: architectures.ArchitectureAmd64,
expected: "ubuntu-os-cloud/ubuntu-2004-focal-v20221018",
},
{
cluster: &api.Cluster{
Spec: api.ClusterSpec{
KubernetesVersion: "v1.25.0",
CloudProvider: api.CloudProviderSpec{
DO: &api.DOSpec{},
},
},
},
architecture: architectures.ArchitectureAmd64,
expected: defaultDOImageFocal,
},
{
cluster: &api.Cluster{
Spec: api.ClusterSpec{
KubernetesVersion: "v1.27.0",
CloudProvider: api.CloudProviderSpec{
DO: &api.DOSpec{},
},
},
},
architecture: architectures.ArchitectureAmd64,
expected: defaultDOImageJammy,
},
{
cluster: &api.Cluster{
Spec: api.ClusterSpec{
KubernetesVersion: "v1.25.0",
CloudProvider: api.CloudProviderSpec{
Hetzner: &api.HetznerSpec{},
},
},
},
architecture: architectures.ArchitectureAmd64,
expected: defaultHetznerImageFocal,
},
{
cluster: &api.Cluster{
Spec: api.ClusterSpec{
KubernetesVersion: "v1.27.0",
CloudProvider: api.CloudProviderSpec{
Hetzner: &api.HetznerSpec{},
},
},
},
architecture: architectures.ArchitectureAmd64,
expected: defaultHetznerImageJammy,
},
{
cluster: &api.Cluster{
Spec: api.ClusterSpec{
KubernetesVersion: "v1.25.0",
CloudProvider: api.CloudProviderSpec{
Scaleway: &api.ScalewaySpec{},
},
},
},
architecture: architectures.ArchitectureAmd64,
expected: defaultScalewayImageFocal,
},
{
cluster: &api.Cluster{
Spec: api.ClusterSpec{
KubernetesVersion: "v1.27.0",
CloudProvider: api.CloudProviderSpec{
Scaleway: &api.ScalewaySpec{},
},
},
},
architecture: architectures.ArchitectureAmd64,
expected: defaultScalewayImageJammy,
},
}
channel, err := api.LoadChannel("file://tests/channels/channel.yaml")
if err != nil {
t.Fatalf("unable to load test channel: %v", err)
}
for _, test := range tests {
actual, err := defaultImage(test.cluster, channel, test.architecture)
if err != nil {
t.Error(err)
continue
}
if actual != test.expected {
t.Errorf("unexpected default image for cluster %s: expected=%q, actual=%q", fi.DebugAsJsonString(test.cluster.Spec), test.expected, actual)
}
}
}