k3s/pkg/cloudprovider/providers/azure/azure_vmss_test.go

310 lines
9.4 KiB
Go

/*
Copyright 2018 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 azure
import (
"fmt"
"testing"
"github.com/Azure/azure-sdk-for-go/services/compute/mgmt/2018-04-01/compute"
"github.com/Azure/azure-sdk-for-go/services/network/mgmt/2017-09-01/network"
"github.com/Azure/go-autorest/autorest/to"
"github.com/stretchr/testify/assert"
)
const (
fakePrivateIP = "10.240.0.10"
fakePublicIP = "10.10.10.10"
)
func newTestScaleSet(scaleSetName, zone string, faultDomain int32, vmList []string) (*scaleSet, error) {
cloud := getTestCloud()
setTestVirtualMachineCloud(cloud, scaleSetName, zone, faultDomain, vmList)
ss, err := newScaleSet(cloud)
if err != nil {
return nil, err
}
return ss.(*scaleSet), nil
}
func setTestVirtualMachineCloud(ss *Cloud, scaleSetName, zone string, faultDomain int32, vmList []string) {
virtualMachineScaleSetsClient := newFakeVirtualMachineScaleSetsClient()
virtualMachineScaleSetVMsClient := newFakeVirtualMachineScaleSetVMsClient()
publicIPAddressesClient := newFakeAzurePIPClient("rg")
interfaceClient := newFakeAzureInterfacesClient()
// set test scale sets.
scaleSets := make(map[string]map[string]compute.VirtualMachineScaleSet)
scaleSets["rg"] = map[string]compute.VirtualMachineScaleSet{
scaleSetName: {
Name: &scaleSetName,
},
}
virtualMachineScaleSetsClient.setFakeStore(scaleSets)
testInterfaces := map[string]map[string]network.Interface{
"rg": make(map[string]network.Interface),
}
testPIPs := map[string]map[string]network.PublicIPAddress{
"rg": make(map[string]network.PublicIPAddress),
}
ssVMs := map[string]map[string]compute.VirtualMachineScaleSetVM{
"rg": make(map[string]compute.VirtualMachineScaleSetVM),
}
for i := range vmList {
nodeName := vmList[i]
ID := fmt.Sprintf("/subscriptions/script/resourceGroups/rg/providers/Microsoft.Compute/virtualMachineScaleSets/%s/virtualMachines/%d", scaleSetName, i)
interfaceID := fmt.Sprintf("/subscriptions/script/resourceGroups/rg/providers/Microsoft.Compute/virtualMachineScaleSets/%s/virtualMachines/%d/networkInterfaces/%s", scaleSetName, i, nodeName)
publicAddressID := fmt.Sprintf("/subscriptions/script/resourceGroups/rg/providers/Microsoft.Compute/virtualMachineScaleSets/%s/virtualMachines/%d/networkInterfaces/%s/ipConfigurations/ipconfig1/publicIPAddresses/%s", scaleSetName, i, nodeName, nodeName)
instanceID := fmt.Sprintf("%d", i)
vmName := fmt.Sprintf("%s_%s", scaleSetName, instanceID)
// set vmss virtual machine.
networkInterfaces := []compute.NetworkInterfaceReference{
{
ID: &interfaceID,
},
}
vmssVM := compute.VirtualMachineScaleSetVM{
VirtualMachineScaleSetVMProperties: &compute.VirtualMachineScaleSetVMProperties{
OsProfile: &compute.OSProfile{
ComputerName: &nodeName,
},
NetworkProfile: &compute.NetworkProfile{
NetworkInterfaces: &networkInterfaces,
},
InstanceView: &compute.VirtualMachineScaleSetVMInstanceView{
PlatformFaultDomain: &faultDomain,
},
},
ID: &ID,
InstanceID: &instanceID,
Name: &vmName,
Location: &ss.Location,
}
if zone != "" {
zones := []string{zone}
vmssVM.Zones = &zones
}
ssVMs["rg"][vmName] = vmssVM
// set interfaces.
testInterfaces["rg"][nodeName] = network.Interface{
ID: &interfaceID,
InterfacePropertiesFormat: &network.InterfacePropertiesFormat{
IPConfigurations: &[]network.InterfaceIPConfiguration{
{
InterfaceIPConfigurationPropertiesFormat: &network.InterfaceIPConfigurationPropertiesFormat{
Primary: to.BoolPtr(true),
PrivateIPAddress: to.StringPtr(fakePrivateIP),
PublicIPAddress: &network.PublicIPAddress{
ID: to.StringPtr(publicAddressID),
},
},
},
},
},
}
// set public IPs.
testPIPs["rg"][nodeName] = network.PublicIPAddress{
ID: to.StringPtr(publicAddressID),
PublicIPAddressPropertiesFormat: &network.PublicIPAddressPropertiesFormat{
IPAddress: to.StringPtr(fakePublicIP),
},
}
}
virtualMachineScaleSetVMsClient.setFakeStore(ssVMs)
interfaceClient.setFakeStore(testInterfaces)
publicIPAddressesClient.setFakeStore(testPIPs)
ss.VirtualMachineScaleSetsClient = virtualMachineScaleSetsClient
ss.VirtualMachineScaleSetVMsClient = virtualMachineScaleSetVMsClient
ss.InterfacesClient = interfaceClient
ss.PublicIPAddressesClient = publicIPAddressesClient
}
func TestGetScaleSetVMInstanceID(t *testing.T) {
tests := []struct {
msg string
machineName string
expectError bool
expectedInstanceID string
}{{
msg: "invalid vmss instance name",
machineName: "vmvm",
expectError: true,
},
{
msg: "valid vmss instance name",
machineName: "vm00000Z",
expectError: false,
expectedInstanceID: "35",
},
}
for i, test := range tests {
instanceID, err := getScaleSetVMInstanceID(test.machineName)
if test.expectError {
assert.Error(t, err, fmt.Sprintf("TestCase[%d]: %s", i, test.msg))
} else {
assert.Equal(t, test.expectedInstanceID, instanceID, fmt.Sprintf("TestCase[%d]: %s", i, test.msg))
}
}
}
func TestGetInstanceIDByNodeName(t *testing.T) {
testCases := []struct {
description string
scaleSet string
vmList []string
nodeName string
expected string
expectError bool
}{
{
description: "scaleSet should get instance by node name",
scaleSet: "ss",
vmList: []string{"vmssee6c2000000", "vmssee6c2000001"},
nodeName: "vmssee6c2000001",
expected: "/subscriptions/script/resourceGroups/rg/providers/Microsoft.Compute/virtualMachineScaleSets/ss/virtualMachines/1",
},
{
description: "scaleSet should get instance by node name with upper cases hostname",
scaleSet: "ss",
vmList: []string{"VMSSEE6C2000000", "VMSSEE6C2000001"},
nodeName: "vmssee6c2000000",
expected: "/subscriptions/script/resourceGroups/rg/providers/Microsoft.Compute/virtualMachineScaleSets/ss/virtualMachines/0",
},
{
description: "scaleSet should not get instance for non-exist nodes",
scaleSet: "ss",
vmList: []string{"vmssee6c2000000", "vmssee6c2000001"},
nodeName: "agente6c2000005",
expectError: true,
},
}
for _, test := range testCases {
ss, err := newTestScaleSet(test.scaleSet, "", 0, test.vmList)
assert.NoError(t, err, test.description)
real, err := ss.GetInstanceIDByNodeName(test.nodeName)
if test.expectError {
assert.Error(t, err, test.description)
continue
}
assert.NoError(t, err, test.description)
assert.Equal(t, test.expected, real, test.description)
}
}
func TestGetZoneByNodeName(t *testing.T) {
testCases := []struct {
description string
scaleSet string
vmList []string
nodeName string
zone string
faultDomain int32
expected string
expectError bool
}{
{
description: "scaleSet should get faultDomain for non-zoned nodes",
scaleSet: "ss",
vmList: []string{"vmssee6c2000000", "vmssee6c2000001"},
nodeName: "vmssee6c2000000",
faultDomain: 3,
expected: "3",
},
{
description: "scaleSet should get availability zone for zoned nodes",
scaleSet: "ss",
vmList: []string{"vmssee6c2000000", "vmssee6c2000001"},
nodeName: "vmssee6c2000000",
zone: "2",
faultDomain: 3,
expected: "westus-2",
},
{
description: "scaleSet should return error for non-exist nodes",
scaleSet: "ss",
faultDomain: 3,
vmList: []string{"vmssee6c2000000", "vmssee6c2000001"},
nodeName: "agente6c2000005",
expectError: true,
},
}
for _, test := range testCases {
ss, err := newTestScaleSet(test.scaleSet, test.zone, test.faultDomain, test.vmList)
assert.NoError(t, err, test.description)
real, err := ss.GetZoneByNodeName(test.nodeName)
if test.expectError {
assert.Error(t, err, test.description)
continue
}
assert.NoError(t, err, test.description)
assert.Equal(t, test.expected, real.FailureDomain, test.description)
}
}
func TestGetIPByNodeName(t *testing.T) {
testCases := []struct {
description string
scaleSet string
vmList []string
nodeName string
expected []string
expectError bool
}{
{
description: "GetIPByNodeName should get node's privateIP and publicIP",
scaleSet: "ss",
vmList: []string{"vmssee6c2000000", "vmssee6c2000001"},
nodeName: "vmssee6c2000000",
expected: []string{fakePrivateIP, fakePublicIP},
},
{
description: "GetIPByNodeName should return error for non-exist nodes",
scaleSet: "ss",
vmList: []string{"vmssee6c2000000", "vmssee6c2000001"},
nodeName: "agente6c2000005",
expectError: true,
},
}
for _, test := range testCases {
ss, err := newTestScaleSet(test.scaleSet, "", 0, test.vmList)
assert.NoError(t, err, test.description)
privateIP, publicIP, err := ss.GetIPByNodeName(test.nodeName)
if test.expectError {
assert.Error(t, err, test.description)
continue
}
assert.NoError(t, err, test.description)
assert.Equal(t, test.expected, []string{privateIP, publicIP}, test.description)
}
}