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Jeff_Robertson's avatar
Jeff_Robertson
Icon for Nimbostratus rankNimbostratus
Jun 06, 2014

Powershell Pool creation only adding 1 node

Hoping someone can help me out with some powershell sytax for creating F5 Pools This is what I have, it is part of a deployment script that builds 50+ servers. This is what I was able to piece together from other stuff I found on the internet and here on Devcentral.

 

$PoolMembers = $Servers | ?{$_.F5Pool -eq $Pool.Name}  this populates the $PoolMembers array with 2 servers
$PoolName = $Input + $Pool.Name + "_Pool" Sets pool name
$Members = @()
$LBMethod = "LB_METHOD_LEAST_CONNECTION_MEMBER"
$MonitorName = "https"
ForEach($Node in $PoolMembers)
{
        $MemberName = $QAInput + $Node.Name
        $MemberPort = 443
        $nodeParamsExpected = "$membername`:$memberport" 
        $MemberDef = New-Object -TypeName iControl.CommonAddressPort
        $MemberDef.address = $membername
        $MemberDef.port = $memberport
        $MemberDefAofA = New-Object -TypeName "iControl.CommonAddressPort[][]" 1,1 
        $MemberDefAofA[0][0] = $MemberDef
        $Members += $MemberDefAofA
}

(Get-F5.iControl).LocalLBPool.Create_v2($PoolName, $LBMethod, $Members)

So, the above code works, but the pool ends up with only 1 member, whichever one is listed first in the array. The $Members variable does have 2 rows it it.

 

Any thoughts? Help? This should be a pool of 2, not 1

 

management

2 Replies

  • Patrik_Jonsson's avatar
    Patrik_Jonsson
    Icon for MVP rankMVP
    Jun 06, 2014

    Hi

    Seems like you've got some mixup with the array dimensions:

    $MemberDefAofA[0][0] = $MemberDef

    Adding it to an array 

    $Members += $MemberDefAofA

    would create a tri-dimensional array, I guess.

    Try something like this (had to rewrite it since I did not know how you declared the previous variables in your script):

    Initialize Snapin

if ( (Get-PSSnapin | Where-Object { $_.Name -eq "iControlSnapIn"}) -eq $null ){
    Add-PSSnapIn iControlSnapIn
}

$User = "iUser"
$Password = "mypassword"
$Partition = "Common"
$BigIP = "192.168.161.10"


Declare variables
$ObjMembers = @()
$NodeDict = @{}

Connect to the BigIP
$Success = Initialize-F5.iControl -HostName $BigIP -Username $User -Password $Password

Get an iControl Handle
$F5 = Get-F5.iControl

$PoolMembers = ("192.168.20.1", "192.168.20.2")
$PoolName = "PSPool"
$Members = @()
$LBMethod = "LB_METHOD_LEAST_CONNECTION_MEMBER"
$MonitorName = "https"

$MemberDefAofA = New-Object -TypeName "iControl.CommonAddressPort[]" 2

$MemberDef = New-Object -TypeName iControl.CommonAddressPort
$MemberDef.address = "PajoIIS"
$MemberDef.port = 8011

$MemberDefAofA[0] = $MemberDef
$MemberDef = New-Object -TypeName iControl.CommonAddressPort
$MemberDef.address = "PajoIIS"
$MemberDef.port = 8012
$MemberDefAofA[1] = $MemberDef

(Get-F5.iControl).LocalLBPool.Create_v2((,$PoolName), (,$LBMethod), (,$MemberDefAofA))

    Just a comment. The create_v2 method would technically expect the pool name and load balancing methods to be arrays too. It accepts it, but it's... "prettier" to it that way. 🙂

    /Patrik