modules/ValidateScenario/ValidateScenario.Tests.ps1
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Describe "ValidateScenario" { BeforeEach { Import-Module ./AzureBasicLoadBalancerUpgrade/modules/ValidateScenario/ValidateScenario.psm1 -Force $options = [System.Text.Json.JsonSerializerOptions]::new() $options.WriteIndented = $true $options.IgnoreReadOnlyProperties = $true $stdLbJson = @' { "ProvisioningState": "Succeeded", "Sku": { "Name": "Basic", "Tier": "Regional" }, "FrontendIpConfigurations": [ { "PrivateIpAddress": "", "PrivateIpAllocationMethod": "Dynamic", "PrivateIpAddressVersion": "IPv4", "ProvisioningState": "Succeeded", "Zones": [], "InboundNatRules": [], "InboundNatPools": [], "OutboundRules": [], "LoadBalancingRules": [ { "Id": "/subscriptions/b2375b5f-8dab-4436-b87c-32bc7fdce5d0/resourceGroups/rg-001-basic-lb-int-single-fe/providers/Microsoft.Network/loadBalancers/lb-basic-01/loadBalancingRules/rule-01" } ], "Subnet": { "AddressPrefix": null, "IpConfigurations": [], "ServiceAssociationLinks": [], "ResourceNavigationLinks": [], "NetworkSecurityGroup": null, "RouteTable": null, "NatGateway": null, "ServiceEndpoints": [], "ServiceEndpointPolicies": [], "Delegations": [], "PrivateEndpoints": [], "ProvisioningState": null, "PrivateEndpointNetworkPolicies": null, "PrivateLinkServiceNetworkPolicies": null, "IpAllocations": [], "Name": null, "Etag": null, "Id": "/subscriptions/b2375b5f-8dab-4436-b87c-32bc7fdce5d0/resourceGroups/rg-001-basic-lb-int-single-fe/providers/Microsoft.Network/virtualNetworks/vnet-01/subnets/subnet-01" }, "PublicIpAddress": null, "PublicIPPrefix": null, "GatewayLoadBalancer": null, "Name": "fe-01", "Etag": "W/\u00224104014d-4a71-45da-b64a-15d835fc861b\u0022", "Id": "/subscriptions/b2375b5f-8dab-4436-b87c-32bc7fdce5d0/resourceGroups/rg-001-basic-lb-int-single-fe/providers/Microsoft.Network/loadBalancers/lb-basic-01/frontendIPConfigurations/fe-01" } ], "BackendAddressPools": [ { "ProvisioningState": "Succeeded", "BackendIpConfigurations": [ { "PrivateIpAddressVersion": null, "LoadBalancerBackendAddressPools": [], "LoadBalancerInboundNatRules": [], "Primary": false, "ApplicationGatewayBackendAddressPools": [], "ApplicationSecurityGroups": [], "VirtualNetworkTaps": [], "PrivateLinkConnectionProperties": null, "GatewayLoadBalancer": null, "PrivateIpAddress": null, "PrivateIpAllocationMethod": null, "Subnet": null, "PublicIpAddress": null, "ProvisioningState": null, "Name": null, "Etag": null, "Id": "/subscriptions/b2375b5f-8dab-4436-b87c-32bc7fdce5d0/resourceGroups/rg-001-basic-lb-int-single-fe/providers/Microsoft.Compute/virtualMachineScaleSets/vmss-01/virtualMachines/0/networkInterfaces/vmss-01-nic-01configuration-0/ipConfigurations/ipconfig1" } ], "LoadBalancerBackendAddresses": [], "LoadBalancingRules": [ { "Id": "/subscriptions/b2375b5f-8dab-4436-b87c-32bc7fdce5d0/resourceGroups/rg-001-basic-lb-int-single-fe/providers/Microsoft.Network/loadBalancers/lb-basic-01/loadBalancingRules/rule-01" } ], "OutboundRule": null, "TunnelInterfaces": [], "Name": "be-01", "Etag": "W/\u00224104014d-4a71-45da-b64a-15d835fc861b\u0022", "Id": "/subscriptions/b2375b5f-8dab-4436-b87c-32bc7fdce5d0/resourceGroups/rg-001-basic-lb-int-single-fe/providers/Microsoft.Network/loadBalancers/lb-basic-01/backendAddressPools/be-01" } ], "LoadBalancingRules": [ { "Protocol": "Tcp", "LoadDistribution": "Default", "FrontendPort": 80, "BackendPort": 80, "IdleTimeoutInMinutes": 4, "EnableFloatingIP": false, "EnableTcpReset": false, "DisableOutboundSNAT": null, "ProvisioningState": "Succeeded", "FrontendIPConfiguration": { "Id": "/subscriptions/b2375b5f-8dab-4436-b87c-32bc7fdce5d0/resourceGroups/rg-001-basic-lb-int-single-fe/providers/Microsoft.Network/loadBalancers/lb-basic-01/frontendIPConfigurations/fe-01" }, "BackendAddressPool": { "Id": "/subscriptions/b2375b5f-8dab-4436-b87c-32bc7fdce5d0/resourceGroups/rg-001-basic-lb-int-single-fe/providers/Microsoft.Network/loadBalancers/lb-basic-01/backendAddressPools/be-01" }, "BackendAddressPools": [ { "Id": "/subscriptions/b2375b5f-8dab-4436-b87c-32bc7fdce5d0/resourceGroups/rg-001-basic-lb-int-single-fe/providers/Microsoft.Network/loadBalancers/lb-basic-01/backendAddressPools/be-01" } ], "Probe": { "Id": "/subscriptions/b2375b5f-8dab-4436-b87c-32bc7fdce5d0/resourceGroups/rg-001-basic-lb-int-single-fe/providers/Microsoft.Network/loadBalancers/lb-basic-01/probes/probe-01" }, "Name": "rule-01", "Etag": "W/\u00224104014d-4a71-45da-b64a-15d835fc861b\u0022", "Id": "/subscriptions/b2375b5f-8dab-4436-b87c-32bc7fdce5d0/resourceGroups/rg-001-basic-lb-int-single-fe/providers/Microsoft.Network/loadBalancers/lb-basic-01/loadBalancingRules/rule-01" } ], "Probes": [ { "Protocol": "Tcp", "Port": 80, "IntervalInSeconds": 5, "NumberOfProbes": 2, "RequestPath": null, "ProvisioningState": "Succeeded", "LoadBalancingRules": [ { "Id": "/subscriptions/b2375b5f-8dab-4436-b87c-32bc7fdce5d0/resourceGroups/rg-001-basic-lb-int-single-fe/providers/Microsoft.Network/loadBalancers/lb-basic-01/loadBalancingRules/rule-01" } ], "Name": "probe-01", "Etag": "W/\u00224104014d-4a71-45da-b64a-15d835fc861b\u0022", "Id": "/subscriptions/b2375b5f-8dab-4436-b87c-32bc7fdce5d0/resourceGroups/rg-001-basic-lb-int-single-fe/providers/Microsoft.Network/loadBalancers/lb-basic-01/probes/probe-01" } ], "InboundNatRules": [], "InboundNatPools": [], "OutboundRules": [], "ExtendedLocation": null, "ResourceGroupName": "rg-001-basic-lb-int-single-fe", "Location": "australiaeast", "ResourceGuid": "5e913af0-76cb-46aa-8ba3-b366f5503bc0", "Type": "Microsoft.Network/loadBalancers", "Tag": {}, "Name": "lb-basic-01", "Etag": "W/\u00224104014d-4a71-45da-b64a-15d835fc861b\u0022", "Id": "/subscriptions/b2375b5f-8dab-4436-b87c-32bc7fdce5d0/resourceGroups/rg-001-basic-lb-int-single-fe/providers/Microsoft.Network/loadBalancers/lb-basic-01" } '@ $BasicLoadBalancer = [System.Text.Json.JsonSerializer]::Deserialize($stdLbJson, [Microsoft.Azure.Commands.Network.Models.PSLoadBalancer]) } Context "Input Parameters" { It "Should fail if an invalid Load Balancer name is supplied" { $errMsg = "Cannot validate argument on parameter 'StdLoadBalancerName'.*" { Test-SupportedMigrationScenario -BasicLoadBalancer $BasicLoadBalancer -StdLoadBalancerName '_' -ErrorAction Stop } | Should -Throw -ExpectedMessage $errMsg } It "Should fail if a Standard Load Balancer is supplied" { $BasicLoadBalancer.Sku.Name = 'Standard' { Test-SupportedMigrationScenario -BasicLoadBalancer $BasicLoadBalancer -StdLoadBalancerName 'std-lb-01' } | Should -Throw -ExpectedMessage "*The load balancer 'lb-basic-01' in resource group 'rg-001-basic-lb-int-single-fe' is SKU 'Standard'. SKU must be Basic!" } } Context "Basic LoadBalancer used in AKS cluster" { It "Should fail if the basic load balancer is used as an external LB by an AKS cluster (LB is named 'kubernetes')" { $BasicLoadBalancer.Name = 'kubernetes' $errMsg = "*is used by an AKS cluster & cannot be migrated*" { Test-SupportedMigrationScenario -BasicLoadBalancer $BasicLoadBalancer -StdLoadBalancerName 'std-lb-01' -ErrorAction Stop } | Should -Throw -ExpectedMessage $errMsg } It "Should fail if the basic load balancer is used an an internal LB by an AKS cluster (LB is named 'kubernetes-internal')" { $BasicLoadBalancer.Name = 'kubernetes-internal' $errMsg = "*is used by an AKS cluster & cannot be migrated*" { Test-SupportedMigrationScenario -BasicLoadBalancer $BasicLoadBalancer -StdLoadBalancerName 'std-lb-01' -ErrorAction Stop } | Should -Throw -ExpectedMessage $errMsg } It "Should fail if the basic load balancer is used an an internal LB by an AKS cluster (Azure System managed Tags)" { $BasicLoadBalancer $errMsg = "*is used by an AKS cluster & cannot be migrated*" $BasicLoadBalancer.Tag.Add('aks-managed-cluster-name','mycluster') $BasicLoadBalancer.Tag.Add('aks-managed-cluster-rg','mycluster-rg') { Test-SupportedMigrationScenario -BasicLoadBalancer $BasicLoadBalancer -StdLoadBalancerName 'std-lb-01' -ErrorAction Stop } | Should -Throw -ExpectedMessage $errMsg } } Context "VMSS in BackendPools" { It "Should fail if the backend pool ip configuration does not contain 'VirtualMachineScaleSet'" { $errMsg = '*Basic Load Balancer backend pools can contain only VMs or VMSSes*' $BasicLoadBalancer.BackendAddressPools[0].BackendIpConfigurations[0].Id = "/subscriptions/b2375b5f-8dab-4436-b87c-32bc7fdce5d0/resourceGroups/rg-001-basic-lb-int-single-fe/providers/Microsoft.Compute/banana/vmss-01/virtualMachines/0/networkInterfaces/vmss-01-nic-01configuration-0/ipConfigurations/ipconfig1" { Test-SupportedMigrationScenario -BasicLoadBalancer $BasicLoadBalancer -StdLoadBalancerName 'std-lb-01' -ErrorAction Stop } | Should -ExpectedMessage $errMsg } } Context "LoadBalancingRules" { It "Should fail if no LoadBalancingRules exist on the load balancer" { $errMsg = "*Load balancer 'lb-basic-01' has no front end configurations, so there is nothing to migrate*" $BasicLoadBalancer.LoadBalancingRules = @() { Test-SupportedMigrationScenario -BasicLoadBalancer $BasicLoadBalancer -StdLoadBalancerName 'std-lb-01' -ErrorAction Stop } | Should -Throw -ExpectedMessage $errMsg } } Context "Public Ip Prefix" { It "Should fail if the Public IP has an IPPrefix" { $errMsg = "*FrontEndIPConfiguration[0] is assigned a public IP prefix*" $ipPrefix = [Microsoft.Azure.Commands.Network.Models.PSResourceId]::new() $ipPrefix.Id = "/subscriptions/b2375b5f-8dab-4436-b87c-32bc7fdce5d0/resourceGroups/rg-001-basic-lb-int-single-fe/providers/Microsoft.Compute/banana/vmss-01/virtualMachines/0/networkInterfaces/vmss-01-nic-01configuration-0/ipConfigurations/ipconfig1" $BasicLoadBalancer.FrontendIpConfigurations[0].PublicIPPrefix = $ipPrefix { Test-SupportedMigrationScenario -BasicLoadBalancer $BasicLoadBalancer -StdLoadBalancerName 'std-lb-01' -ErrorAction Stop } | Should -Throw -ExpectedMessage $errMsg } } } |