mirror of https://github.com/k3s-io/k3s
310 lines
9.4 KiB
Go
310 lines
9.4 KiB
Go
/*
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Copyright 2018 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 azure
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import (
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"fmt"
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"testing"
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"github.com/Azure/azure-sdk-for-go/services/compute/mgmt/2018-04-01/compute"
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"github.com/Azure/azure-sdk-for-go/services/network/mgmt/2017-09-01/network"
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"github.com/Azure/go-autorest/autorest/to"
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"github.com/stretchr/testify/assert"
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)
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const (
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fakePrivateIP = "10.240.0.10"
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fakePublicIP = "10.10.10.10"
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)
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func newTestScaleSet(scaleSetName, zone string, faultDomain int32, vmList []string) (*scaleSet, error) {
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cloud := getTestCloud()
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setTestVirtualMachineCloud(cloud, scaleSetName, zone, faultDomain, vmList)
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ss, err := newScaleSet(cloud)
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if err != nil {
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return nil, err
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}
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return ss.(*scaleSet), nil
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}
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func setTestVirtualMachineCloud(ss *Cloud, scaleSetName, zone string, faultDomain int32, vmList []string) {
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virtualMachineScaleSetsClient := newFakeVirtualMachineScaleSetsClient()
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virtualMachineScaleSetVMsClient := newFakeVirtualMachineScaleSetVMsClient()
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publicIPAddressesClient := newFakeAzurePIPClient("rg")
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interfaceClient := newFakeAzureInterfacesClient()
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// set test scale sets.
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scaleSets := make(map[string]map[string]compute.VirtualMachineScaleSet)
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scaleSets["rg"] = map[string]compute.VirtualMachineScaleSet{
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scaleSetName: {
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Name: &scaleSetName,
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},
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}
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virtualMachineScaleSetsClient.setFakeStore(scaleSets)
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testInterfaces := map[string]map[string]network.Interface{
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"rg": make(map[string]network.Interface),
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}
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testPIPs := map[string]map[string]network.PublicIPAddress{
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"rg": make(map[string]network.PublicIPAddress),
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}
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ssVMs := map[string]map[string]compute.VirtualMachineScaleSetVM{
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"rg": make(map[string]compute.VirtualMachineScaleSetVM),
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}
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for i := range vmList {
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nodeName := vmList[i]
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ID := fmt.Sprintf("/subscriptions/script/resourceGroups/rg/providers/Microsoft.Compute/virtualMachineScaleSets/%s/virtualMachines/%d", scaleSetName, i)
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interfaceID := fmt.Sprintf("/subscriptions/script/resourceGroups/rg/providers/Microsoft.Compute/virtualMachineScaleSets/%s/virtualMachines/%d/networkInterfaces/%s", scaleSetName, i, nodeName)
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publicAddressID := fmt.Sprintf("/subscriptions/script/resourceGroups/rg/providers/Microsoft.Compute/virtualMachineScaleSets/%s/virtualMachines/%d/networkInterfaces/%s/ipConfigurations/ipconfig1/publicIPAddresses/%s", scaleSetName, i, nodeName, nodeName)
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instanceID := fmt.Sprintf("%d", i)
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vmName := fmt.Sprintf("%s_%s", scaleSetName, instanceID)
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// set vmss virtual machine.
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networkInterfaces := []compute.NetworkInterfaceReference{
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{
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ID: &interfaceID,
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},
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}
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vmssVM := compute.VirtualMachineScaleSetVM{
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VirtualMachineScaleSetVMProperties: &compute.VirtualMachineScaleSetVMProperties{
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OsProfile: &compute.OSProfile{
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ComputerName: &nodeName,
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},
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NetworkProfile: &compute.NetworkProfile{
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NetworkInterfaces: &networkInterfaces,
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},
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InstanceView: &compute.VirtualMachineScaleSetVMInstanceView{
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PlatformFaultDomain: &faultDomain,
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},
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},
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ID: &ID,
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InstanceID: &instanceID,
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Name: &vmName,
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Location: &ss.Location,
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}
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if zone != "" {
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zones := []string{zone}
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vmssVM.Zones = &zones
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}
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ssVMs["rg"][vmName] = vmssVM
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// set interfaces.
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testInterfaces["rg"][nodeName] = network.Interface{
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ID: &interfaceID,
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InterfacePropertiesFormat: &network.InterfacePropertiesFormat{
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IPConfigurations: &[]network.InterfaceIPConfiguration{
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{
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InterfaceIPConfigurationPropertiesFormat: &network.InterfaceIPConfigurationPropertiesFormat{
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Primary: to.BoolPtr(true),
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PrivateIPAddress: to.StringPtr(fakePrivateIP),
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PublicIPAddress: &network.PublicIPAddress{
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ID: to.StringPtr(publicAddressID),
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},
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},
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},
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},
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},
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}
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// set public IPs.
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testPIPs["rg"][nodeName] = network.PublicIPAddress{
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ID: to.StringPtr(publicAddressID),
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PublicIPAddressPropertiesFormat: &network.PublicIPAddressPropertiesFormat{
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IPAddress: to.StringPtr(fakePublicIP),
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},
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}
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}
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virtualMachineScaleSetVMsClient.setFakeStore(ssVMs)
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interfaceClient.setFakeStore(testInterfaces)
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publicIPAddressesClient.setFakeStore(testPIPs)
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ss.VirtualMachineScaleSetsClient = virtualMachineScaleSetsClient
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ss.VirtualMachineScaleSetVMsClient = virtualMachineScaleSetVMsClient
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ss.InterfacesClient = interfaceClient
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ss.PublicIPAddressesClient = publicIPAddressesClient
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}
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func TestGetScaleSetVMInstanceID(t *testing.T) {
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tests := []struct {
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msg string
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machineName string
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expectError bool
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expectedInstanceID string
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}{{
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msg: "invalid vmss instance name",
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machineName: "vmvm",
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expectError: true,
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},
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{
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msg: "valid vmss instance name",
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machineName: "vm00000Z",
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expectError: false,
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expectedInstanceID: "35",
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},
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}
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for i, test := range tests {
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instanceID, err := getScaleSetVMInstanceID(test.machineName)
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if test.expectError {
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assert.Error(t, err, fmt.Sprintf("TestCase[%d]: %s", i, test.msg))
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} else {
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assert.Equal(t, test.expectedInstanceID, instanceID, fmt.Sprintf("TestCase[%d]: %s", i, test.msg))
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}
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}
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}
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func TestGetInstanceIDByNodeName(t *testing.T) {
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testCases := []struct {
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description string
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scaleSet string
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vmList []string
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nodeName string
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expected string
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expectError bool
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}{
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{
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description: "scaleSet should get instance by node name",
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scaleSet: "ss",
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vmList: []string{"vmssee6c2000000", "vmssee6c2000001"},
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nodeName: "vmssee6c2000001",
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expected: "/subscriptions/script/resourceGroups/rg/providers/Microsoft.Compute/virtualMachineScaleSets/ss/virtualMachines/1",
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},
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{
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description: "scaleSet should get instance by node name with upper cases hostname",
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scaleSet: "ss",
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vmList: []string{"VMSSEE6C2000000", "VMSSEE6C2000001"},
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nodeName: "vmssee6c2000000",
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expected: "/subscriptions/script/resourceGroups/rg/providers/Microsoft.Compute/virtualMachineScaleSets/ss/virtualMachines/0",
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},
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{
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description: "scaleSet should not get instance for non-exist nodes",
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scaleSet: "ss",
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vmList: []string{"vmssee6c2000000", "vmssee6c2000001"},
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nodeName: "agente6c2000005",
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expectError: true,
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},
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}
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for _, test := range testCases {
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ss, err := newTestScaleSet(test.scaleSet, "", 0, test.vmList)
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assert.NoError(t, err, test.description)
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real, err := ss.GetInstanceIDByNodeName(test.nodeName)
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if test.expectError {
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assert.Error(t, err, test.description)
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continue
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}
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assert.NoError(t, err, test.description)
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assert.Equal(t, test.expected, real, test.description)
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}
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}
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func TestGetZoneByNodeName(t *testing.T) {
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testCases := []struct {
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description string
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scaleSet string
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vmList []string
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nodeName string
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zone string
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faultDomain int32
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expected string
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expectError bool
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}{
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{
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description: "scaleSet should get faultDomain for non-zoned nodes",
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scaleSet: "ss",
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vmList: []string{"vmssee6c2000000", "vmssee6c2000001"},
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nodeName: "vmssee6c2000000",
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faultDomain: 3,
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expected: "3",
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},
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{
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description: "scaleSet should get availability zone for zoned nodes",
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scaleSet: "ss",
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vmList: []string{"vmssee6c2000000", "vmssee6c2000001"},
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nodeName: "vmssee6c2000000",
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zone: "2",
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faultDomain: 3,
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expected: "westus-2",
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},
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{
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description: "scaleSet should return error for non-exist nodes",
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scaleSet: "ss",
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faultDomain: 3,
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vmList: []string{"vmssee6c2000000", "vmssee6c2000001"},
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nodeName: "agente6c2000005",
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expectError: true,
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},
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}
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for _, test := range testCases {
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ss, err := newTestScaleSet(test.scaleSet, test.zone, test.faultDomain, test.vmList)
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assert.NoError(t, err, test.description)
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real, err := ss.GetZoneByNodeName(test.nodeName)
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if test.expectError {
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assert.Error(t, err, test.description)
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continue
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}
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assert.NoError(t, err, test.description)
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assert.Equal(t, test.expected, real.FailureDomain, test.description)
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}
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}
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func TestGetIPByNodeName(t *testing.T) {
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testCases := []struct {
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description string
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scaleSet string
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vmList []string
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nodeName string
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expected []string
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expectError bool
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}{
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{
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description: "GetIPByNodeName should get node's privateIP and publicIP",
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scaleSet: "ss",
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vmList: []string{"vmssee6c2000000", "vmssee6c2000001"},
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nodeName: "vmssee6c2000000",
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expected: []string{fakePrivateIP, fakePublicIP},
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},
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{
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description: "GetIPByNodeName should return error for non-exist nodes",
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scaleSet: "ss",
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vmList: []string{"vmssee6c2000000", "vmssee6c2000001"},
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nodeName: "agente6c2000005",
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expectError: true,
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},
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}
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for _, test := range testCases {
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ss, err := newTestScaleSet(test.scaleSet, "", 0, test.vmList)
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assert.NoError(t, err, test.description)
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privateIP, publicIP, err := ss.GetIPByNodeName(test.nodeName)
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if test.expectError {
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assert.Error(t, err, test.description)
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continue
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}
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assert.NoError(t, err, test.description)
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assert.Equal(t, test.expected, []string{privateIP, publicIP}, test.description)
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}
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}
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