I wrote this simple script to execute powershell scripts on our windows
servers from my Linux box. I am trying to learn Python better, but have
been unable to figure out how to re-write this script in Python.
- ostruct can easily be replaced with a dictionary... its not as
elegant, but functional enough
- optparse is also implemented in Python, so that will be no big deal.
The big stumbling block is WinRM
I do not, nor is it an option to install openwsman on the Linux boxes.
I am trying to bring our Windows boxes under the same level of
management as our Linux boxes, and the management servers are Linux. So
the solution needs to be Linux.
This is more of a learning exercise than anything else, so the most
elegant solution is not being asked for. I just don't know how to
implement the functionality I am getting out of the WinRM gem in Ruby.
Pointers????
Thanks
Kevin Fries
#!/usr/bin/ruby
require 'ostruct'
require 'optparse'
require 'winrm'
PROGRAM_NAME = $0
PROGRAM_VERSION = 1.0
REALM = 'MYREALM'
options = OpenStruct.new
optparse = OptionParser.new do |opts|
opts.banner = <<BANNER
This program will run a powerscript file on a Windows Server from a Linux host
Usage: #{PROGRAM_NAME} [options] <script filename> <list of machines to run on>
BANNER
opts.on('-h', '--help', 'Show this message') do
puts opts
exit
end
opts.on_tail('--version', 'Show version') do
puts "Version: #{PROGRAM_VERSION}"
exit
end
end
optparse.parse!
options.script = ARGV[0] unless ARGV[0].nil?
ARGV.shift
options.servers = Array.new
until ARGV[0].nil? do
options.servers << ARGV[0]
ARGV.shift
end
raise "Script file not specified" if options.script.nil?
raise "Servers to run script on, not specified" if options.servers.size == 0
begin
fileio = File.new(options.script, "r")
rescue Exception => e
puts e
exit 1
end
raise "Invalid Filename specified" unless fileio.kind_of?(IO)
options.servers.each do |server|
begin
fileio.rewind
endpoint = "http://#{server}:5985/wsman";
winrm = WinRM::WinRMWebService.new(endpoint, :kerberos, :realm => REALM)
output = winrm.run_powershell_script(fileio)
rescue GSSAPI::GssApiError => gae
system 'kinit'
retry
rescue Exception => e
puts "#{e.class}"
puts "#{e.message}"
exit
end
puts "Executed command on #{server}, output ="
puts "-"*78
output[:data].each do |line|
STDOUT.print "#{line[:stdout]}" if line.key?(:stdout)
STDERR.print "ERROR: #{line[:stderr]}" if line.key?(:stderr)
end
puts "-"*78
puts
end
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