AzStackHciNetwork/AzStackHciNetwork.psm1

<#############################################################
 # #
 # Copyright (C) Microsoft Corporation. All rights reserved. #
 # #
 #############################################################>

 $MetaData = @{
    "OperationType" =  @("Deployment", "AddNode", "Upgrade", "PreUpdate", "PreUpdateJIT")
    "UIName" = 'Azure Stack HCI Network'
    "UIDescription" = 'Check network requirements'
}
function Test-AzStackHciNetwork
{
    param (
        [parameter(Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        $Parameters,

        [parameter(Mandatory = $true)]
        [ValidateSet('AddNode','Deployment','Upgrade', 'PreUpdate')]
        $OperationType,

        [parameter(Mandatory = $false)]
        [ValidateSet('Small','Medium','Large')]
        [String]
        $HardwareClass = "Medium",

        [parameter(Mandatory = $false)]
        [ValidateSet('Standard','Stretch','RackAware')]
        [String]
        $ClusterPattern = "Standard",

        [parameter(Mandatory = $false)]
        [switch]
        $FailFast
    )

    Import-Module $PSScriptRoot\..\CommonLibrary\AzureLocal.EnvValidator.CommonLibrary.psd1 -Force -DisableNameChecking -Global | Out-Null

    try
    {
        $backupPSModuleAutoLoadingPreference = $PSModuleAutoLoadingPreference
        # Disable module auto-loading and explicitly import modules needed.
        $PSModuleAutoLoadingPreference = [System.Management.Automation.PSModuleAutoLoadingPreference]::None
        Import-Module Microsoft.PowerShell.Utility -Verbose:$false
        Import-Module Microsoft.PowerShell.Management -Verbose:$false
        Import-Module NetTCPIP -Verbose:$false
        Import-Module Hyper-V -Verbose:$false
        Import-Module NetAdapter -Verbose:$false
        Import-Module DnsClient -Verbose:$false

        # Import Module via Helper in case this is update
        [EnvironmentValidator]::EnvironmentValidatorImport($Parameters)
        $ENV:EnvChkrOp = $OperationType
        if (Get-Command -Name IsDHCPEnabled -ErrorAction SilentlyContinue)
        {
            $dhcpEnabled = IsDHCPEnabled -Parameters $Parameters
        }
        else
        {
            $dhcpEnabled = $false
        }

        Trace-Execution "DHCP Enabled (ECE): $dhcpEnabled"

        $networkRole = $Parameters.Roles["Network"].PublicConfiguration
        $mgmtNetValue = $networkRole.NetworkDefinitions.Node.Networks.Network | Where-Object { $_.Name -eq "Management"}
        $mgmtSubnetValue =  $mgmtNetValue.IPv4.Subnet

        $hostNetworkRole = $Parameters.Roles["HostNetwork"].PublicConfiguration
        $atcHostNetworkConfiguration = $hostNetworkRole.PublicInfo.ATCHostNetwork.Configuration | ConvertFrom-JSON

        $physicalMachinesPublicConfig = $Parameters.Roles["BareMetal"].PublicConfiguration
        $nodesCount = $physicalMachinesPublicConfig.Nodes.Node.Count

        [PSObject[]] $allIntentInfoForTesting = @()

        switch ($OperationType)
        {
            { $_ -in @("AddNode", "Upgrade", "PreUpdate") }
            {
                $allIntentInfoForTesting = EnvValidatorNwkLibCreateAtcHostIntentsInfoFromSystem
            }
            default
            {
                $allIntentInfoForTesting = $atcHostNetworkConfiguration.Intents

                if (($null -eq $allIntentInfoForTesting) -or ($allIntentInfoForTesting.Count -eq 0))
                {
                    # If no intents are provided in these scenarios, we will try to get info from the running system.
                    $allIntentInfoForTesting = EnvValidatorNwkLibCreateAtcHostIntentsInfoFromSystem
                }
            }
        }

        # At this point, we should have the valid intent info from ECE or the running system.
        if ($allIntentInfoForTesting.Count -eq 0)
        {
            throw "No ATC Host Intents found. Please provide ATC Host Intents in the configuration."
        }

        [PSObject[]] $storageNetworkDefinition = $atcHostNetworkConfiguration.storageNetworks

        [System.Collections.Hashtable] $storageNetworksVlanIdInfo = @{}
        foreach ($storagenetworkInfo in $storageNetworkDefinition)
        {
            $storageNetworksVlanIdInfo.Add($storagenetworkInfo.networkAdapterName, $storagenetworkInfo.VlanId)
        }

        Trace-Execution "Starting network validation for $($OperationType), detail output can be found in $($env:LocalRootFolderPath)\MASLogs\AzStackHciEnvironmentChecker*"

        $IpPools = New-Object System.Collections.ArrayList

        $ipPool = [PSCustomObject]@{
            StartingAddress = $mgmtNetValue.IPv4.StartAddress # Infra IP Pool Starting Address
            EndingAddress   = $mgmtNetValue.IPv4.EndAddress # Infra IP Pool Ending Address
        }

        $IpPools.Add($ipPool) | Out-Null

        $AdditionalInfrastructureSubnetsValue = $null
        if ($hostNetworkRole.PublicInfo.AdditionalInternalSubnets)
        {
            try
            {
                $AdditionalInfrastructureSubnetsText = $hostNetworkRole.PublicInfo.AdditionalInternalSubnets.configuration
                $AdditionalInfrastructureSubnetsValue = ConvertFrom-JSON $AdditionalInfrastructureSubnetsText -ErrorAction Stop
            }
            catch
            {
                # In case of upgrade, the parameter won't have any value in it but just a string "[AdditionalInternalSubnets]""
                Trace-Execution "Failed to parse AdditionalInfrastructureSubnets.Configuration. $_. Ignore error and continue."
            }
        }

        if ($AdditionalInfrastructureSubnetsValue)
        {
            foreach ($pool in $AdditionalInfrastructureSubnetsValue)
            {
                $ipPool = [PSCustomObject]@{
                    StartingAddress = $pool.StartingAddress # Infra IP Pool Starting Address
                    EndingAddress   = $pool.EndingAddress # Infra IP Pool Ending Address
                }

                $IpPools.Add($ipPool) | Out-Null
            }
        }

        Trace-Execution "Trying to get IP pools information"

        foreach ($ipPool in $ipPools)
        {
            $startingAddress = $ipPool.StartingAddress
            $endingAddress = $ipPool.EndingAddress
            Trace-Execution "Found pool with StartingAddress: $startingAddress EndingAddress: $endingAddress"
        }

        [System.Collections.Hashtable] $nodeToIPMap = Get-NetworkMgmtIPv4FromECEForAllHosts -Parameters $Parameters
        $domainCredential = [EnvironmentValidator]::GetDomainAdminCredential($Parameters)
        $localCredential = [EnvironmentValidator]::GetLocalAdminCredential($Parameters)

        Trace-Execution "Starting $($OperationType) Network Validation"

        # Detect storage type from ECE parameters
        [System.String] $detectedStorageType = "S2D"

        try {
            $storageConfig = $Parameters.Roles["Storage"].PublicConfiguration.PublicInfo.StorageConfiguration
            if ($storageConfig -and $storageConfig.Type) {
                $type = $storageConfig.Type
                if ($type -and $type -ne "" -and $type -notmatch '^\[\{') {
                    $detectedStorageType = $type
                }
            }
        } catch {
            Trace-Execution "Could not read StorageType from ECE parameters. Defaulting to S2D. More Info: $_"
        }

        switch ($OperationType)
        {
            { $_ -in @("Deployment", "Upgrade", "PreUpdate") }
            {
                # Network Validation Checks
                [System.Boolean] $isProxyEnabled= $false
                $proxySettings = Get-ASProxySettings -Parameters $Parameters
                $isProxyEnabled = $proxySettings -and ($proxySettings.HTTP -or $proxySettings.HTTPS)

                $psSession = [EnvironmentValidator]::NewPsSessionAllHosts($Parameters)

                $cloudRole = $Parameters.Roles["Cloud"].PublicConfiguration
                $deployADLess = $cloudRole.PublicInfo.DeployADLess

                if ($deployADLess -eq "true" -and $OperationType -eq "PreUpdate")
                {
                    Trace-Execution "Do not test credentials for AD'less update"
                }
                else
                {
                    $ConnectionCredential = [EnvironmentValidator]::GetDomainAdminCredential($Parameters)
                    $allStampNodes = [EnvironmentValidator]::GetAllHostNicIps($Parameters)
                    $testNode = $allStampNodes[-1]

                    Import-Module -Name Microsoft.WSMan.Management -Verbose:$false -Scope Global -ErrorAction SilentlyContinue | Out-Null

                    if (Test-WSMan -ComputerName $testNode -Credential $ConnectionCredential -Authentication Default -ErrorAction SilentlyContinue)
                    {
                        Trace-Execution "Attempting PsSession $testNode with domain credentials"
                    }
                    else
                    {
                        Trace-Execution "Attempting PsSession $testNode with local credentials"
                        $ConnectionCredential = [EnvironmentValidator]::GetLocalAdminCredential($Parameters)
                        if ($null -eq $ConnectionCredential)
                        {
                            throw "Unable to create a valid session to $testNode. No local admin credential found."
                        }
                    }
                }

                $param = @{
                    IpPools = $IpPools
                    ManagementSubnetValue = $mgmtSubnetValue
                    HostNetworkInfo = $atcHostNetworkConfiguration
                    ATCHostIntents = $allIntentInfoForTesting
                    ProxyEnabled = $isProxyEnabled
                    PSSession = $psSession
                    PassThru = $true
                    dhcpEnabled = $dhcpEnabled
                    OutputPath = "$($env:LocalRootFolderPath)\MASLogs\"
                    OperationType = $OperationType
                    HardwareClass = $HardwareClass
                    ClusterPattern = $ClusterPattern
                    NodesInCluster = $nodesCount
                    NodeToManagementIPMap = $nodeToIPMap
                    ConnectionDomainAdminCredential = $domainCredential
                    ConnectionLocalAdminCredential = $localCredential
                    DeployADLess = $deployADLess
                    StorageType = $detectedStorageType
                }

                $RegistrationCloudName = $Parameters.Roles["Cloud"].PublicConfiguration.PublicInfo.RegistrationCloudName
                if ($RegistrationCloudName -ieq 'Azure.local')
                {
                    $param += @{
                        RegionName = 'AzureLocal'
                    }
                }

                [array]$Result = AzStackHci.EnvironmentChecker\Invoke-AzStackHciNetworkValidation @param

                # If this is a CI environment downgrade inbox driver test result
                if (Get-ItemProperty -Path HKLM:\SOFTWARE\Microsoft\SQMClient -Name IsCIEnv -ErrorAction SilentlyContinue)
                {
                    Trace-Execution "CI Environment. Downgrade inbox driver result severity from CRITICAL to WARNING"
                    $Result | Where-Object Name -eq 'AzStackHci_Network_Test_AdapterDriver' | Where-Object { if ($_.Severity -eq "CRITICAL") { $_.Severity = "WARNING" } }

                    if (($ClusterPattern -eq 'RackAware') -and ((Get-WmiObject -Class Win32_ComputerSystem).Model -eq "Virtual Machine"))
                    {
                        Trace-Execution "CI Virtual RackAware Environment. Downgrade network intent result severity from CRITICAL to WARNING"
                        $Result | Where-Object Name -eq 'AzStackHci_Network_Test_NetworkIntentRequirement' | Where-Object { if ($_.Severity -eq "CRITICAL") { $_.Severity = "WARNING" } }
                    }
                }

                # Check if the ParseResult method supports the Parameters
                if ([EnvironmentValidator]::ParseResult.OverloadDefinitions -match 'EceInterfaceParameters')
                {
                    Trace-Execution "ParseResult method supports EceInterfaceParameters argument"
                    return [EnvironmentValidator]::ParseResult($Result, 'Network', $FailFast, $Parameters)
                }
                else
                {
                    Trace-Execution "ParseResult method does not support EceInterfaceParameters argument"
                    return [EnvironmentValidator]::ParseResult($Result, 'Network', $FailFast)
                }
            }
            "AddNode"
            {
                # Get nodes name from runtime parameters "NodeName", which is a string separated by space
                $runtimeParameters = $Parameters.RunInformation['RuntimeParameter']

                Trace-Execution "Node to be added: $($runtimeParameters['NodeName'])"
                [System.String[]] $allNodeNamesToBeAdded = $runtimeParameters['NodeName'].Split()
                [System.Management.Automation.Runspaces.PSSession[]] $psSession =  [EnvironmentValidator]::NewPsSessionByHost($Parameters, $allNodeNamesToBeAdded, $false)

                # IpAddress is not a runtime parameter during Repair-Server run, so set the array to null
                [System.String[]] $allNodeIpAddresses = if ($runtimeParameters['IpAddress']) { $runtimeParameters['IpAddress'].Split() } else { @() }
                Trace-Execution "Node IP found: $($allNodeIpAddresses -join ', ')"

                # Add the node to the map if it's not already there
                foreach ($nodeToBeAdded in $allNodeNamesToBeAdded)
                {
                    if ($nodeToBeAdded -notin $nodeToIPMap.Keys)
                    {
                        $Ipv4OrHostName = if ($allNodeIpAddresses.Count -gt 0) { $allNodeIpAddresses[$allNodeNamesToBeAdded.IndexOf($nodeToBeAdded)] } else { $null }

                        if ($dhcpEnabled -or ([string]::IsNullOrEmpty($Ipv4OrHostName)))
                        {
                            # IpAddress is not a runtime parameter during Repair-Server call, so need to get from network helper instead
                            $Ipv4OrHostName = ([EnvironmentValidator]::GetHostNicIpByName($Parameters, $nodeToBeAdded) | Select-Object -First 1)
                        }

                        $nodeToIPMap.Add($nodeToBeAdded, $Ipv4OrHostName)
                    }
                }

                # Check to see if BrownfieldUpgrade or GreenfieldDeployment
                $InstallationMethod = Get-InstallationMethod -Parameters $Parameters

                $param = @{
                    IpPools = $IpPools
                    ManagementSubnetValue = $mgmtSubnetValue
                    PSSession = $psSession
                    ATCHostIntents = $allIntentInfoForTesting
                    NodeToManagementIPMap = $nodeToIPMap
                    PassThru = $true
                    dhcpEnabled = $dhcpEnabled
                    OutputPath = "$($env:LocalRootFolderPath)\MASLogs\"
                    OperationType = $OperationType
                    HardwareClass = $HardwareClass
                    ClusterPattern = $ClusterPattern
                    InstallationMethod = $InstallationMethod
                    NodesInCluster = $nodesCount
                    StorageType = $detectedStorageType
                }

                $RegistrationCloudName = $Parameters.Roles["Cloud"].PublicConfiguration.PublicInfo.RegistrationCloudName
                if ($RegistrationCloudName -ieq 'Azure.local')
                {
                    $param += @{
                        RegionName = 'AzureLocal'
                    }
                }

                [array]$Result = AzStackHci.EnvironmentChecker\Invoke-AzStackHciNetworkValidation @param

                # If this is a CI environment downgrade inbox driver test result
                if (Get-ItemProperty -Path HKLM:\SOFTWARE\Microsoft\SQMClient -Name IsCIEnv -ErrorAction SilentlyContinue)
                {
                    Trace-Execution "CI Environment. Downgrade inbox driver result severity from CRITICAL to WARNING"
                    $Result | Where-Object Name -eq 'AzStackHci_Network_Test_AdapterDriver' | Where-Object { if ($_.Severity -eq "CRITICAL") { $_.Severity = "WARNING" } }
                }

                # Check if the ParseResult method supports the Parameters
                if ([EnvironmentValidator]::ParseResult.OverloadDefinitions -match 'EceInterfaceParameters')
                {
                    Trace-Execution "ParseResult method supports EceInterfaceParameters argument"
                    return [EnvironmentValidator]::ParseResult($Result, 'Network', $FailFast, $Parameters)
                }
                else
                {
                    Trace-Execution "ParseResult method does not support EceInterfaceParameters argument"
                    return [EnvironmentValidator]::ParseResult($Result, 'Network', $FailFast)
                }
            }
            default
            {
                Trace-Execution "No interface found for $OperationType"
            }
        }
    }
    catch
    {
        Trace-Execution "Validator failed. $_"
        Trace-Execution "$($_.ScriptStackTrace)"
        throw $_
    }
    finally
    {
        if ($backupPSModuleAutoLoadingPreference)
        {
            $PSModuleAutoLoadingPreference = $backupPSModuleAutoLoadingPreference
        }
        $PsSession | Microsoft.PowerShell.Core\Remove-PSSession -ErrorAction SilentlyContinue
    }
}

Export-ModuleMember -Function Test-AzStackHciNetwork -Variable MetaData
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