AzStackHciNetwork/AzStackHciNetwork.psm1

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

 $MetaData = @{
    "OperationType" =  @("Deployment", "AddNode", "Upgrade")
    "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')]
        $OperationType,

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

        [parameter(Mandatory = $false)]
        [switch]
        $FailFast
    )
    try
    {
        $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
        [PSObject[]] $atcHostIntentsFromEce = $atcHostNetworkConfiguration.Intents

        # If current deployment is switchless, using "-eq $true" here just in case some deployment does not have this "StorageConnectivitySwitchless" in the JSON
        $switchlessFlag = $atcHostNetworkConfiguration.StorageConnectivitySwitchless -eq $true

        if ((($null -eq $atcHostIntentsFromEce) -or ($atcHostIntentsFromEce.Count -eq 0)) -or ($OperationType -eq "Upgrade"))
        {
            # If no intents are provided, we will try to get info from the running system. Same thing for upgrade
            $atcHostIntentsFromEce = CreateAtcHostIntentsInfoFromSystem
        }

        if (($null -eq $atcHostIntentsFromEce) -or ($atcHostIntentsFromEce.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 "Starting Validation for infrastructure pools"

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

        switch ($OperationType)
        {
            {($_ -eq "Deployment") -or ($_ -eq "Upgrade")}
            {
                Trace-Execution "Starting Deployment/Upgrade Network Validation"
                # Network Valdiation Checks
                [System.Boolean] $isProxyEnabled= $false
                $proxySettings = Get-ASProxySettings -Parameters $Parameters
                $isProxyEnabled = $proxySettings -and ($proxySettings.HTTP -or $proxySettings.HTTPS)

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

                $ConnectionCredential = [EnvironmentValidator]::GetDomainAdminCredential($Parameters)
                $allStampNodes = [EnvironmentValidator]::GetAllHostNicIps($Parameters)
                $testNode = $allStampNodes[-1]

                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
                    ATCHostIntents = $atcHostIntentsFromEce
                    StorageAdapterVLANIDInfo = $storageNetworksVlanIdInfo
                    ProxyEnabled = $isProxyEnabled
                    SwitchlessDeploy = $switchlessFlag
                    PSSession = $psSession
                    PassThru = $true
                    dhcpEnabled = $dhcpEnabled
                    OutputPath = "$($env:LocalRootFolderPath)\MASLogs\"
                    OperationType = $OperationType
                    HardwareClass = $HardwareClass
                }

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

                [array]$Result = 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" } }
                }

                return [EnvironmentValidator]::ParseResult($Result, 'Network', $FailFast)
            }
            "AddNode"
            {
                Trace-Execution "Starting AddNode Network Validation"
                $AddNodeNode = [EnvironmentValidator]::GetNodeContext($Parameters) | Select-Object -first 1
                $psSession =  [EnvironmentValidator]::NewPsSessionByHost($Parameters, $AddNodeNode, $false)
                # nodeToIPMap can be retrieved straight from Get-NetworkMgmtIPv4FromECEForAllHosts from NetworkHelpers.psm1
                $nodeToIPMap = Get-NetworkMgmtIPv4FromECEForAllHosts -Parameters $Parameters
                # Add the node to the map if it's not already there
                # so we can run prior to node being added to orchestrator
                if ($AddNodeNode -notin $nodeToIPMap.Keys)
                {
                    $runtimeParameters = $Parameters.RunInformation['RuntimeParameter']
                    # IpAddress is not a runtime parameter during repairnode
                    # get from network helper instead
                    if ($dhcpEnabled -or ([string]::IsNullOrEmpty($runtimeParameters['IpAddress'])))
                    {
                        $Ipv4OrHostName = ([EnvironmentValidator]::GetHostNicIpByName($Parameters,$runtimeParameters['NodeName']) | Select-Object -First 1)
                    }
                    else
                    {
                        $Ipv4OrHostName = $runtimeParameters['IpAddress']
                    }
                    $nodeToIPMap.Add($AddNodeNode, $Ipv4OrHostName)
                }

                # Will construct ATCHostIntents from $atcHostIntents for the test cases to run
                [PSObject[]] $allIntentInfo = CreateAtcHostIntentsInfoFromSystem

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

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

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

                [array]$Result = 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" } }
                }

                return ([EnvironmentValidator]::ParseResult($Result, 'Network', $FailFast))
            }
            default
            {
                Trace-Execution "No interface found for $OperationType"
            }
        }
    }
    catch
    {
        Trace-Execution "Validator failed. $_"
        Trace-Execution "$($_.ScriptStackTrace)"
        throw $_
    }
    finally
    {
        $PsSession | Microsoft.PowerShell.Core\Remove-PSSession -ErrorAction SilentlyContinue
    }
}

function CreateAtcHostIntentsInfoFromSystem
{
    [PSObject[]] $atcHostIntents = Get-NetIntent
    [PSObject[]] $allIntentInfo = @()

    foreach ($intent in $atcHostIntents)
    {
        [PSObject] $currentIntentInfo = New-Object PSObject
        $currentIntentInfo | Add-Member -MemberType NoteProperty -Name "Name" -Value $intent.IntentName

        [String[]] $currentIntentType = @()
        if ($intent.IsManagementIntentSet)
        {
            $currentIntentType += "Management"
        }
        if ($intent.IsStorageIntentSet)
        {
            $currentIntentType += "Storage"
        }
        if ($intent.IsComputeIntentSet)
        {
            $currentIntentType += "Compute"
        }
        $currentIntentInfo | Add-Member -MemberType NoteProperty -Name "TrafficType" -Value $currentIntentType
        $currentIntentInfo | Add-Member -MemberType NoteProperty -Name "Adapter" -Value $intent.NetAdapterNamesAsList

        if ($null -ne $intent.AdapterAdvancedParametersOverride.NetworkDirect)
        {
            $currentIntentInfo | Add-Member -MemberType NoteProperty -Name "AdapterPropertyOverrides" -Value $intent.AdapterAdvancedParametersOverride.NetworkDirect
            $currentIntentInfo | Add-Member -MemberType NoteProperty -Name "OverrideAdapterProperty" -Value $true
        }
        else
        {
            $currentIntentInfo | Add-Member -MemberType NoteProperty -Name "AdapterPropertyOverrides" -Value $null
            $currentIntentInfo | Add-Member -MemberType NoteProperty -Name "OverrideAdapterProperty" -Value $false
        }

        $allIntentInfo += $currentIntentInfo
    }

    return $allIntentInfo
}

Export-ModuleMember -Function Test-AzStackHciNetwork -Variable MetaData
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