Obs/bin/ObsDep/content/Powershell/Common/NetworkHelpers.psm1
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# # # Copyright (c) Microsoft. All rights reserved. # # # ##################################################> function Test-NetworkIPv4Address { [CmdletBinding()] Param ( [Parameter(Mandatory=$true)] [System.String] $IPv4Address ) $byte = "(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)" # composing a pattern (IPv4 address): $IPv4Template = "^($byte\.){3}$byte$" return $IPv4Address -match $IPv4Template } function Get-NetworkMgmtIPv4FromECEForAllHosts { [CmdletBinding()] Param ( [Parameter(Mandatory = $true)] [CloudEngine.Configurations.EceInterfaceParameters] $Parameters ) [System.Collections.Hashtable] $retValArray = @{} $physicalMachinesPublicConfig = $Parameters.Roles["BareMetal"].PublicConfiguration $allHostNodesInfo = $physicalMachinesPublicConfig.Nodes.Node foreach ($node in $allHostNodesInfo.Name) { $nodeIP = Get-NetworkMgmtIPv4FromECEForHost -Parameters $Parameters -HostName $node $retValArray.Add($node, $nodeIP) } return $retValArray } function Get-NetworkMgmtIPv4FromECEForHost { [CmdletBinding()] Param ( [Parameter(Mandatory = $true)] [CloudEngine.Configurations.EceInterfaceParameters] $Parameters, [Parameter(Mandatory = $true)] [System.String] $HostName ) [System.String] $retVal = $null $physicalMachinesPublicConfig = $Parameters.Roles["BareMetal"].PublicConfiguration $physicalNodesHostNameMgmtIPInfo = $physicalMachinesPublicConfig.PublicInfo.PhysicalNodes.HostNameMgmtIPInfo $physicalNodesV2NicInfo = $physicalMachinesPublicConfig.PublicInfo.PhysicalNodesV2.NetworkAdaptersInformation # Depending on whether this function is called at PreDeploy stage or Deploy stage, and whether the V3 answer file or the older answer file is used, # there are 3 possible ways to get the management IP for a node. # At PreDeploy stage: # If V3 answer file is used, PhysicalNodesV2.NetworkAdaptersInformation should have the data and should be used. # If older answer file is used, PhysicalNodesV2.NetworkAdaptersInformation is empty, PhysicalNodes.HostNameMgmtIPInfo is also empty, so HostNIC is used for back-compat reason. # At Deploy stage, # If V3 answer file is used, PhysicalNodes.HostNameMgmtIPInfo should have the data and should be used. (PhysicalNodesV2.NetworkAdaptersInformation is empty.) # If older answer file is used, PhysicalNodesV2.NetworkAdaptersInformation is empty, PhysicalNodes.HostNameMgmtIPInfo is also empty, so HostNIC is used for back-compat reason. # # Note: PhysicalNodesV2.NetworkAdaptersInformation and PhysicalNodes.HostNameMgmtIPInfo should have same IP info for same hosts. If not, it is the answer file problem. if ([System.String]::IsNullOrWhiteSpace($physicalNodesHostNameMgmtIPInfo) -and [System.String]::IsNullOrWhiteSpace($physicalNodesV2NicInfo)) { $allHostNodesInfo = $physicalMachinesPublicConfig.Nodes.Node [System.Xml.XmlElement[]] $currentHostInfo = $allHostNodesInfo | Where-Object { $_.Name -like $HostName } [System.Xml.XmlElement[]] $adapterInfo = $currentHostInfo.NICs.NIC | Where-Object { $_.Name -eq 'HostNIC' } # Expecting only 1 HostNIC item in ECE config if ($adapterInfo.Count -eq 1) { $retVal = $adapterInfo[0].IPv4Address.Split('/')[0] } Trace-Execution "[Get-NetworkMgmtIPv4FromECEForHost]: retrieved IP [ $retVal ] for node $($HostName) via HostNIC info." } elseif ([System.String]::IsNullOrWhiteSpace($physicalNodesV2NicInfo)) { $currentHostNameIPInfo = ($physicalNodesHostNameMgmtIPInfo | ConvertFrom-Json) | Where-Object { $_.Name -eq $HostName } $retVal = $currentHostNameIPInfo.IPv4Address Trace-Execution "[Get-NetworkMgmtIPv4FromECEForHost]: retrieved IP [ $retVal ] for node $($HostName) via PhysicalNodes.HostNameMgmtIPInfo." } else { $currentHostNameIPInfo = ($physicalNodesV2NicInfo | ConvertFrom-Json) | Where-Object { $_.Name -eq $HostName } $retVal = $currentHostNameIPInfo.IPv4Address Trace-Execution "[Get-NetworkMgmtIPv4FromECEForHost]: retrieved IP [ $retVal ] for node $($HostName) via PhysicalNodesV2.NetworkAdaptersInformation." } if (-not (Test-NetworkIPv4Address -IPv4Address $retVal)) { $retVal = $null } return $retVal } function Test-IPConnection { [CmdLetBinding()] param( [Parameter(Mandatory = $True)] [string] $IP, [int] $TimeoutInSeconds = 1 ) try { return Test-NetConnection -ComputerName $IP -WarningAction SilentlyContinue -InformationLevel Quiet } catch { Trace-Warning "Pinging $IP failed with the following error: $_.ToString()" return $false } } function ConvertTo-SubnetMask { [CmdLetBinding()] param( [Parameter(Mandatory = $True)] [ValidateRange(0, 32)] [UInt32] $PrefixLength ) $byteMask = ([Convert]::ToUInt32($(("1" * $PrefixLength).PadRight(32, "0")), 2)) $bytes = [BitConverter]::GetBytes($byteMask) [Array]::Reverse($bytes) $ipAddress = New-Object System.Net.IPAddress -ArgumentList (, $bytes) return $ipAddress.IPAddressToString } function ConvertTo-PrefixLength { [CmdLetBinding()] param( [Parameter(Mandatory = $True)] [System.Net.IPAddress] $SubnetMask ) $Bits = "$($SubnetMask.GetAddressBytes() | ForEach-Object {[Convert]::ToString($_, 2)})" -Replace '[\s0]' $Bits.Length } # Convert IP address to UInt32 to use for IP transformation (compare, increment, mask, etc.). # Note that an existing 'Address' property of [System.Net.IPAddress] is unusable as it has byte order reversed. function ConvertFrom-IPAddress { param ( [Parameter(Mandatory=$true)] [System.Net.IPAddress] $IPAddress ) $bytes = $IPAddress.GetAddressBytes() [Array]::Reverse($bytes) return [BitConverter]::ToUInt32($bytes, 0) } # Note that this function returns IPAdrress string representation, not [System.Net.IPAddress]. # String representation is more usable for validation as it is more easy to compare. function ConvertTo-IPAddress { param ( [Parameter(Mandatory=$true)] [UInt32] $Value ) $bytes = [BitConverter]::GetBytes($Value) [Array]::Reverse($bytes) # Construct new IPAddress object from byte array. # ', ' construct is used to wrap $bytes array into another array to prevent treating each byte as a separate argument. $ipAddress = New-Object System.Net.IPAddress -ArgumentList (, $bytes) return $ipAddress.IPAddressToString } function Get-NetworkAddress { param ( [Parameter(Mandatory=$true)] [System.Net.IPAddress] $IPAddress, [Parameter(Mandatory=$true)] [UInt32] $PrefixLength ) $value = ConvertFrom-IPAddress $IPAddress $networkMask = [Convert]::ToUInt32(("1" * $PrefixLength).PadRight(32, "0"), 2) $transformedValue = $value -band $networkMask return (ConvertTo-IPAddress $transformedValue) } function Get-BroadcastAddress { param ( [Parameter(Mandatory=$true)] [System.Net.IPAddress] $IPAddress, [Parameter(Mandatory=$true)] [UInt32] $PrefixLength ) $value = ConvertFrom-IPAddress $IPAddress $hostMask = [Convert]::ToUInt32("1" * (32 - $PrefixLength), 2) $transformedValue = $value -bor $hostMask return (ConvertTo-IPAddress $transformedValue) } function Get-RangeEndAddress { param ( [Parameter(Mandatory=$true)] [System.Net.IPAddress] $IPAddress, [Parameter(Mandatory=$true)] [UInt32] $PrefixLength ) $value = ConvertFrom-IPAddress $IPAddress $hostMask = [Convert]::ToUInt32("1" * (32 - $PrefixLength), 2) $transformedValue = $value -bor $hostMask $transformedValue-- return (ConvertTo-IPAddress $transformedValue) } function Add-IPAddress { param ( [Parameter(Mandatory=$true)] [System.Net.IPAddress] $IPAddress, [Parameter(Mandatory=$true)] [Int] $Addend ) $value = ConvertFrom-IPAddress $IPAddress $transformedValue = $value + $Addend return (ConvertTo-IPAddress $transformedValue) } function Get-GatewayAddress { param ( [Parameter(Mandatory=$true)] [System.Net.IPAddress] $IPAddress, [Parameter(Mandatory=$true)] [UInt32] $PrefixLength ) $networkAddress = Get-NetworkAddress $IPAddress $PrefixLength return (Add-IPAddress $networkAddress 1) } # Returns two IP addresses delimiting the addressable part of the scope and the prefix length, e.g. 10.0.0.1, 10.0.0.254, 24 for 10.0.0.0/24. function Get-ScopeRange { param ( [Parameter(Mandatory=$true)] [string] $Scope ) $scopeIP, $prefixLength = $Scope -split '/' $networkAddress = Get-NetworkAddress $scopeIP $prefixLength $scopeStart = Add-IPAddress $networkAddress 1 $broadcastAddress = Get-BroadcastAddress $scopeIP $prefixLength $scopeEnd = Add-IPAddress $broadcastAddress -1 return $scopeStart, $scopeEnd, $prefixLength } function Get-MacAddressString { param ( [System.Net.NetworkInformation.PhysicalAddress] $MacAddress ) $originalOfs = $ofs $ofs = '-' $macAddressString = "$($MacAddress.GetAddressBytes() | ForEach-Object {'{0:X2}' -f $_})" $ofs = $originalOfs return $macAddressString } function NormalizeIPv4Subnet { param( [Parameter(Mandatory=$true)][string]$cidrSubnet ) # $cidrSubnet is IPv4 subnet in CIDR format, such as 192.168.10.0/24 $subnet, $prefixLength = $cidrSubnet.Split('/') $addr = $null if (([System.Net.IPAddress]::TryParse($subnet, [ref]$addr) -ne $true) -or ($addr.AddressFamily -ne [System.Net.Sockets.AddressFamily]::InterNetwork)) { throw "$subnet is not a valid IPv4 address." } if ($prefixLength -lt 0 -or $prefixLength -gt 32) { throw "$prefixLength is not a valid IPv4 subnet prefix-length." } $networkAddress = Get-NetworkAddress $subnet $prefixLength return $networkAddress.ToString() + '/' + $prefixLength } function Get-NetworkNameForCluster { param( [Parameter(Mandatory=$true)] [ValidateNotNullOrEmpty()] [string] $ClusterName, [Parameter(Mandatory=$true)] [ValidateNotNullOrEmpty()] [string] $NetworkName ) if (($NetworkName -eq 'External') -or ($NetworkName -eq 'InternalVip')) { return $NetworkName } # AzS, single cluster only, it always has clusterId == 's-cluster', while cluster name is provided at deployment time. # In order to keep backward compatibility, we don't change the function interface for now. return "s-cluster-$NetworkName" } function Get-NetworkDefinitionForCluster { param( [Parameter(Mandatory=$true)] [ValidateNotNullOrEmpty()] [string] $ClusterName, [CloudEngine.Configurations.EceInterfaceParameters] $Parameters ) $clusterRole = $Parameters.Roles["Cluster"].PublicConfiguration $clusterId = ($clusterRole.Clusters.Node | ? Name -eq $ClusterName).Id $networkRole = $Parameters.Roles["Network"].PublicConfiguration return $networkRole.NetworkDefinitions.Node | Where-Object { $_.RefClusterId -ieq $clusterId } } function Get-NetworkDefinitions { param( [Parameter(Mandatory=$true)] [CloudEngine.Configurations.EceInterfaceParameters] $Parameters ) $networkRole = $Parameters.Roles["Network"].PublicConfiguration return $networkRole.NetworkDefinitions.Node } function Get-NetworkSchemaVersion { param ( [Parameter(Mandatory=$true)] [CloudEngine.Configurations.EceInterfaceParameters] $Parameters ) $cloudRole = $Parameters.Roles["Cloud"].PublicConfiguration return ($cloudRole.PublicInfo.NetworkConfiguration.Version).Id } function IsNetworkSchemaVersion2021 { param ( [Parameter(Mandatory=$true)] [CloudEngine.Configurations.EceInterfaceParameters] $Parameters ) return (Get-NetworkSchemaVersion($Parameters)) -eq "2021" } function Check-IPAddressFormat { param( [Parameter(Mandatory=$true)] [string] $IPAddress ) $addr = $null return ([System.Net.IPAddress]::TryParse($IPAddress, [ref] $addr)) -and ($addr.AddressFamily -eq [System.Net.Sockets.AddressFamily]::InterNetwork) } function Check-PortFormat { param( [Parameter(Mandatory=$true)] [string] $Port ) return ([bool]($Port -as [int]) -and ($Port -In 0..65535)) } function Check-ProxyParameters { param( [Parameter(Mandatory=$true)] [AllowNull()] [AllowEmptyString()] [string] $IPAddress1, [Parameter(Mandatory=$true)] [AllowNull()] [AllowEmptyString()] [string] $IPAddress2, [Parameter(Mandatory=$true)] [AllowNull()] [AllowEmptyString()] [string] $Port ) return ($IPAddress1 -and $IPAddress2 -and $Port -and (Check-IPAddressFormat -IPAddress $IPAddress1) -and (Check-IPAddressFormat -IPAddress $IPAddress2) -and (Check-PortFormat -Port $Port)) } Export-ModuleMember -Function Add-IPAddress Export-ModuleMember -Function Check-IPAddressFormat Export-ModuleMember -Function Check-PortFormat Export-ModuleMember -Function Check-ProxyParameters Export-ModuleMember -Function ConvertFrom-IPAddress Export-ModuleMember -Function ConvertTo-IPAddress Export-ModuleMember -Function ConvertTo-PrefixLength Export-ModuleMember -Function ConvertTo-SubnetMask Export-ModuleMember -Function Get-BroadcastAddress Export-ModuleMember -Function Get-GatewayAddress Export-ModuleMember -Function Get-MacAddressString Export-ModuleMember -Function Get-NetworkAddress Export-ModuleMember -Function Get-NetworkDefinitionForCluster Export-ModuleMember -Function Get-NetworkDefinitions Export-ModuleMember -Function Get-NetworkSchemaVersion Export-ModuleMember -Function Get-NetworkNameForCluster Export-ModuleMember -Function Get-RangeEndAddress Export-ModuleMember -Function Get-ScopeRange Export-ModuleMember -Function IsNetworkSchemaVersion2021 Export-ModuleMember -Function NormalizeIPv4Subnet Export-ModuleMember -Function Test-IPConnection Export-ModuleMember -Function Test-NetworkIPv4Address Export-ModuleMember -Function Get-NetworkMgmtIPv4FromECEForAllHosts Export-ModuleMember -Function Get-NetworkMgmtIPv4FromECEForHost # 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