mirror of https://github.com/kubernetes/kops.git
364 lines
11 KiB
Go
364 lines
11 KiB
Go
/*
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Copyright 2020 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package azuretasks
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import (
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"bytes"
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"context"
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"encoding/base64"
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"fmt"
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"reflect"
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"testing"
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"github.com/Azure/azure-sdk-for-go/services/compute/mgmt/2022-08-01/compute"
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"github.com/Azure/go-autorest/autorest/to"
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"k8s.io/kops/upup/pkg/fi"
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"k8s.io/kops/upup/pkg/fi/cloudup/azure"
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)
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func TestSubnetIDParse(t *testing.T) {
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subnetID := &SubnetID{
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SubscriptionID: "sid",
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ResourceGroupName: "rg",
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VirtualNetworkName: "vnet",
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SubnetName: "sub",
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}
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actual, err := ParseSubnetID(subnetID.String())
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if err != nil {
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t.Fatalf("unexpected error %s", err)
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}
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if !reflect.DeepEqual(actual, subnetID) {
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t.Errorf("expected %+v, but got %+v", subnetID, actual)
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}
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}
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func TestLoadBalancerIDParse(t *testing.T) {
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loadBalancerID := &loadBalancerID{
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SubscriptionID: "sid",
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ResourceGroupName: "rg",
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LoadBalancerName: "lb",
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}
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actual, err := parseLoadBalancerID(loadBalancerID.String())
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if err != nil {
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t.Fatalf("unexpected error %s", err)
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}
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if !reflect.DeepEqual(actual, loadBalancerID) {
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t.Errorf("expected %+v, but got %+v", loadBalancerID, actual)
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}
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}
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func newTestVMScaleSet() *VMScaleSet {
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return &VMScaleSet{
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Name: to.StringPtr("vmss"),
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Lifecycle: fi.LifecycleSync,
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ResourceGroup: &ResourceGroup{
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Name: to.StringPtr("rg"),
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},
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VirtualNetwork: &VirtualNetwork{
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Name: to.StringPtr("vnet"),
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},
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Subnet: &Subnet{
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Name: to.StringPtr("sub"),
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},
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LoadBalancer: &LoadBalancer{
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Name: to.StringPtr("api-lb"),
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},
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StorageProfile: &VMScaleSetStorageProfile{},
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RequirePublicIP: to.BoolPtr(true),
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SKUName: to.StringPtr("sku"),
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Capacity: to.Int64Ptr(10),
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ComputerNamePrefix: to.StringPtr("cprefix"),
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AdminUser: to.StringPtr("admin"),
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SSHPublicKey: to.StringPtr("ssh"),
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UserData: fi.NewStringResource("custom"),
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Tags: map[string]*string{},
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Zones: []string{"zone1"},
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}
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}
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func TestVMScaleSetRenderAzure(t *testing.T) {
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cloud := NewMockAzureCloud("eastus")
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apiTarget := azure.NewAzureAPITarget(cloud)
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vmss := &VMScaleSet{}
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expected := newTestVMScaleSet()
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if err := vmss.RenderAzure(apiTarget, nil, expected, nil); err != nil {
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t.Fatalf("unexpected error: %s", err)
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}
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actual := cloud.VMScaleSetsClient.VMSSes[*expected.Name]
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if a, e := *actual.Location, cloud.Region(); a != e {
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t.Fatalf("unexpected location: expected %s, but got %s", e, a)
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}
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if a, e := *actual.Name, *expected.Name; a != e {
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t.Errorf("unexpected name: expected %s, but got %s", e, a)
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}
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// Check other major fields.
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if a, e := *actual.Sku.Name, *expected.SKUName; a != e {
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t.Errorf("unexpected SKU name: expected %s, but got %s", e, a)
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}
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if a, e := *actual.Sku.Capacity, *expected.Capacity; a != e {
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t.Errorf("unexpected SKU Capacity: expected %d, but got %d", e, a)
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}
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actualUserData, err := base64.StdEncoding.DecodeString(
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*actual.VirtualMachineProfile.UserData)
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if err != nil {
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t.Fatalf("failed to decode user data: %s", err)
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}
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expectedUserData, err := fi.ResourceAsBytes(expected.UserData)
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if err != nil {
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t.Fatalf("failed to get user data: %s", err)
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}
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if !bytes.Equal(actualUserData, expectedUserData) {
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t.Errorf("unexpected user data: expected %v, but got %v", expectedUserData, actualUserData)
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}
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if expected.PrincipalID == nil {
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t.Errorf("unexpected nil principalID")
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}
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if a, e := *actual.Zones, expected.Zones; !reflect.DeepEqual(a, e) {
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t.Errorf("unexpected Zone: expected %s, but got %s", e, a)
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}
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}
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func TestVMScaleSetFind(t *testing.T) {
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cloud := NewMockAzureCloud("eastus")
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ctx := &fi.Context{
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Cloud: cloud,
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}
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rg := &ResourceGroup{
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Name: to.StringPtr("rg"),
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}
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vmss := &VMScaleSet{
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Name: to.StringPtr("vmss"),
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ResourceGroup: rg,
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}
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// Find will return nothing if there is no VM ScaleSet created.
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actual, err := vmss.Find(ctx)
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if err != nil {
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t.Fatalf("unexpected error: %s", err)
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}
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if actual != nil {
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t.Errorf("unexpected vmss found: %+v", actual)
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}
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// Create a VM ScaleSet.
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userData := []byte("custom")
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osProfile := &compute.VirtualMachineScaleSetOSProfile{
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ComputerNamePrefix: to.StringPtr("prefix"),
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AdminUsername: to.StringPtr("admin"),
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LinuxConfiguration: &compute.LinuxConfiguration{
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SSH: &compute.SSHConfiguration{
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PublicKeys: &[]compute.SSHPublicKey{
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{
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Path: to.StringPtr("path"),
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KeyData: to.StringPtr("ssh"),
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},
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},
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},
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DisablePasswordAuthentication: to.BoolPtr(true),
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},
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}
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storageProfile := &compute.VirtualMachineScaleSetStorageProfile{
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ImageReference: &compute.ImageReference{
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Publisher: to.StringPtr("publisher"),
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Offer: to.StringPtr("offer"),
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Sku: to.StringPtr("sku"),
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Version: to.StringPtr("version"),
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},
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OsDisk: &compute.VirtualMachineScaleSetOSDisk{
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OsType: compute.OperatingSystemTypes(compute.Linux),
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CreateOption: compute.DiskCreateOptionTypesFromImage,
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DiskSizeGB: to.Int32Ptr(2),
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ManagedDisk: &compute.VirtualMachineScaleSetManagedDiskParameters{
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StorageAccountType: compute.StorageAccountTypesPremiumLRS,
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},
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Caching: compute.CachingTypes(compute.HostCachingReadWrite),
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},
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}
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subnetID := SubnetID{
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SubscriptionID: "subID",
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ResourceGroupName: *rg.Name,
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VirtualNetworkName: "vnet",
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SubnetName: "sub",
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}
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loadBalancerID := loadBalancerID{
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SubscriptionID: "subID",
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ResourceGroupName: *rg.Name,
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LoadBalancerName: "api-lb",
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}
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ipConfigProperties := &compute.VirtualMachineScaleSetIPConfigurationProperties{
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Subnet: &compute.APIEntityReference{
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ID: to.StringPtr(subnetID.String()),
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},
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Primary: to.BoolPtr(true),
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PrivateIPAddressVersion: compute.IPv4,
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}
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ipConfigProperties.PublicIPAddressConfiguration = &compute.VirtualMachineScaleSetPublicIPAddressConfiguration{
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Name: to.StringPtr("vmss-publicipconfig"),
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VirtualMachineScaleSetPublicIPAddressConfigurationProperties: &compute.VirtualMachineScaleSetPublicIPAddressConfigurationProperties{
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PublicIPAddressVersion: compute.IPv4,
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},
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}
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ipConfigProperties.LoadBalancerBackendAddressPools = &[]compute.SubResource{
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{
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ID: to.StringPtr(loadBalancerID.String()),
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},
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}
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networkConfig := compute.VirtualMachineScaleSetNetworkConfiguration{
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Name: to.StringPtr("vmss-netconfig"),
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VirtualMachineScaleSetNetworkConfigurationProperties: &compute.VirtualMachineScaleSetNetworkConfigurationProperties{
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Primary: to.BoolPtr(true),
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EnableIPForwarding: to.BoolPtr(true),
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IPConfigurations: &[]compute.VirtualMachineScaleSetIPConfiguration{
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{
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Name: to.StringPtr("vmss-ipconfig"),
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VirtualMachineScaleSetIPConfigurationProperties: ipConfigProperties,
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},
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},
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},
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}
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vmssParameters := compute.VirtualMachineScaleSet{
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Location: to.StringPtr(cloud.Location),
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Sku: &compute.Sku{
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Name: to.StringPtr("sku"),
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Capacity: to.Int64Ptr(2),
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},
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VirtualMachineScaleSetProperties: &compute.VirtualMachineScaleSetProperties{
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UpgradePolicy: &compute.UpgradePolicy{
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Mode: compute.UpgradeModeManual,
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},
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VirtualMachineProfile: &compute.VirtualMachineScaleSetVMProfile{
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OsProfile: osProfile,
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StorageProfile: storageProfile,
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UserData: to.StringPtr(base64.RawStdEncoding.EncodeToString(userData)),
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NetworkProfile: &compute.VirtualMachineScaleSetNetworkProfile{
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NetworkInterfaceConfigurations: &[]compute.VirtualMachineScaleSetNetworkConfiguration{
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networkConfig,
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},
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},
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},
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},
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Identity: &compute.VirtualMachineScaleSetIdentity{
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Type: compute.ResourceIdentityTypeSystemAssigned,
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},
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Zones: &[]string{"zone1"},
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}
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if _, err := cloud.VMScaleSet().CreateOrUpdate(context.Background(), *rg.Name, *vmss.Name, vmssParameters); err != nil {
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t.Fatalf("failed to create: %s", err)
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}
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// Find again.
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actual, err = vmss.Find(ctx)
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if err != nil {
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t.Fatalf("unexpected error: %s", err)
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}
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if a, e := *actual.Name, *vmss.Name; a != e {
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t.Errorf("unexpected Virtual Network name: expected %s, but got %s", e, a)
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}
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if a, e := *actual.ResourceGroup.Name, *rg.Name; a != e {
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t.Errorf("unexpected Resource Group name: expected %s, but got %s", e, a)
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}
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if a, e := *actual.VirtualNetwork.Name, subnetID.VirtualNetworkName; a != e {
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t.Errorf("unexpected Resource Group name: expected %s, but got %s", e, a)
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}
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if a, e := *actual.Subnet.Name, subnetID.SubnetName; a != e {
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t.Errorf("unexpected Resource Group name: expected %s, but got %s", e, a)
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}
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if a, e := *actual.LoadBalancer.Name, loadBalancerID.LoadBalancerName; a != e {
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t.Errorf("unexpected Resource Group name: expected %s, but got %s", e, a)
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}
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// Check other major fields.
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if a, e := *actual.SKUName, *vmssParameters.Sku.Name; a != e {
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t.Errorf("unexpected SKU name: expected %s, but got %s", e, a)
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}
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if a, e := *actual.Capacity, *vmssParameters.Sku.Capacity; a != e {
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t.Errorf("unexpected SKU Capacity: expected %d, but got %d", e, a)
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}
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if !*actual.RequirePublicIP {
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t.Errorf("unexpected require public IP")
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}
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if a, e := actual.Zones, *vmssParameters.Zones; !reflect.DeepEqual(a, e) {
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t.Errorf("unexpected Zone: expected %s, but got %s", e, a)
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}
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}
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func TestVMScaleSetRun(t *testing.T) {
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cloud := NewMockAzureCloud("eastus")
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ctx := &fi.Context{
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Cloud: cloud,
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Target: azure.NewAzureAPITarget(cloud),
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}
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vmss := newTestVMScaleSet()
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err := vmss.Normalize(ctx)
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if err != nil {
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t.Fatalf("unexpected error: %s", err)
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}
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err = vmss.Run(ctx)
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if err != nil {
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t.Fatalf("unexpected error: %s", err)
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}
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expectedTags := map[string]*string{
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azure.TagClusterName: fi.String(testClusterName),
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}
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if a, e := vmss.Tags, expectedTags; !reflect.DeepEqual(a, e) {
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t.Errorf("unexpected tags: expected %+v, but got %+v", e, a)
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}
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}
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func TestVMScaleSetCheckChanges(t *testing.T) {
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testCases := []struct {
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a, e, changes *VMScaleSet
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success bool
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}{
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{
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a: nil,
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e: &VMScaleSet{Name: to.StringPtr("name")},
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changes: nil,
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success: true,
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},
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{
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a: nil,
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e: &VMScaleSet{Name: nil},
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changes: nil,
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success: false,
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},
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{
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a: &VMScaleSet{Name: to.StringPtr("name")},
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changes: &VMScaleSet{Name: nil},
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success: true,
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},
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{
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a: &VMScaleSet{Name: to.StringPtr("name")},
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changes: &VMScaleSet{Name: to.StringPtr("newName")},
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success: false,
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},
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}
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for i, tc := range testCases {
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t.Run(fmt.Sprintf("test case %d", i), func(t *testing.T) {
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vmss := VMScaleSet{}
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err := vmss.CheckChanges(tc.a, tc.e, tc.changes)
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if tc.success != (err == nil) {
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t.Errorf("expected success=%t, but got err=%v", tc.success, err)
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}
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})
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}
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}
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