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Problem this snippet solves:

This PowerShell application will query the contents of a file in the /config directory on a BIG-IP, save the contents locally, and then display them to the console. With a parameter of "bigip.conf" this is the same as the "bigpipe list" command. "bigip_base.conf" can also be queried from the application.

Code :

#----------------------------------------------------------------------------
# The contents of this file are subject to the "END USER LICENSE AGREEMENT FOR F5
# Software Development Kit for iControl"; you may not use this file except in
# compliance with the License. The License is included in the iControl
# Software Development Kit.
#
# Software distributed under the License is distributed on an "AS IS"
# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
# the License for the specific language governing rights and limitations
# under the License.
#
# The Original Code is iControl Code and related documentation
# distributed by F5.
#
# The Initial Developer of the Original Code is F5 Networks,
# Inc. Seattle, WA, USA. Portions created by F5 are Copyright (C) 1996-2007 F5 Networks,
# Inc. All Rights Reserved.  iControl (TM) is a registered trademark of F5 Networks, Inc.
#
# Alternatively, the contents of this file may be used under the terms
# of the GNU General Public License (the "GPL"), in which case the
# provisions of GPL are applicable instead of those above.  If you wish
# to allow use of your version of this file only under the terms of the
# GPL and not to allow others to use your version of this file under the
# License, indicate your decision by deleting the provisions above and
# replace them with the notice and other provisions required by the GPL.
# If you do not delete the provisions above, a recipient may use your
# version of this file under either the License or the GPL.
#----------------------------------------------------------------------------
param (
  $g_bigip = $null,
  $g_uid = $null,
  $g_pwd = $null,
  $g_config = $null
);

$DEFAULT_CHUNK_SIZE = (64*1024);

Set-PSDebug -strict;

#-------------------------------------------------------------------------
# function Write-Usage
#-------------------------------------------------------------------------
function Write-Usage()
{
  Write-Host "Usage: BigpipeList.ps1 host uid pwd [config:bigip.conf|bigip_base.conf]";
  exit;
}

#-------------------------------------------------------------------------
#
#-------------------------------------------------------------------------
function Download-Configuration()
{
  param($config_name);
  
  #Write-Host "Downloading Configuration file $config_name"
  
  $loc = Get-Location
  $local_file = "$loc\$config_name";
  
  $remote_file = "/config/$config_name";
  
  $ctx = New-Object -TypeName iControl.SystemConfigSyncFileTransferContext;
  $chunk_size = $DEFAULT_CHUNK_SIZE;
  $file_offset = 0;
  $bContinue = 1;
  $mode = [System.IO.FileMode]::CreateNew;
  if ( Test-Path $local_file )
  {
    $mode = [System.IO.FileMode]::Truncate;
  }
  
  $fs = New-Object -TypeName System.IO.FileStream -argumentList ($local_file, $mode);
  $w = New-Object -TypeName System.IO.BinaryWriter -argumentList ($fs);
  
  while($bContinue -eq 1)
  {
    $ctx = (Get-F5.iControl).SystemConfigSync.download_file($remote_file, $chunk_size, [ref]$file_offset);
    $w.Write($ctx.file_data, 0, $ctx.file_data.Length);

    #Write-Host "Bytes Transferred: $file_offset";
    if ( ($ctx.chain_type -eq "FILE_LAST") -or ($ctx.chain_type -eq "FILE_FIRST_AND_LAST") )
    {
      $bContinue = 0;
    }
  }
  $w.Close()
  $fs.Close()
}

#-------------------------------------------------------------------------
# Do-Initialize
#-------------------------------------------------------------------------
function Do-Initialize()
{
  if ( (Get-PSSnapin | Where-Object { $_.Name -eq "iControlSnapIn"}) -eq $null )
  {
    Add-PSSnapIn iControlSnapIn
  }
  $success = Initialize-F5.iControl -HostName $g_bigip -Username $g_uid -Password $g_pwd;
  
  return $success;
}

#-------------------------------------------------------------------------
# Main Application Logic
#-------------------------------------------------------------------------
if ( ($g_bigip -eq $null) -or ($g_uid -eq $null) -or ($g_pwd -eq $null) )
{
  Write-Usage;
}

if ( $g_config -eq $null ) { $g_config = "bigip.conf" }

if ( Do-Initialize )
{
  Download-Configuration $g_config;
  Get-Content $g_config;
}
else
{
  Write-Error "ERROR: iControl subsystem not initialized"
}
Version history
Last update:
‎09-Mar-2015 11:51
Updated by:
Contributors