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#--
# Copyright:: Copyright 2015-2016, Chef Software, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
require_relative "shell_out"
require_relative "windows_architecture_helper"
class Chef
module Mixin
module PowershellOut
include Chef::Mixin::ShellOut
include Chef::Mixin::WindowsArchitectureHelper
# Run a command under powershell with the same API as shell_out. The
# options hash is extended to take an "architecture" flag which
# can be set to :i386 or :x86_64 to force the windows architecture.
#
# @param script [String] script to run
# @param options [Hash] options hash
# @return [Mixlib::Shellout] mixlib-shellout object
def powershell_out(*command_args)
script = command_args.first
options = command_args.last.is_a?(Hash) ? command_args.last : nil
run_command_with_os_architecture(script, options)
end
# Run a command under powershell with the same API as shell_out!
# (raises exceptions on errors)
#
# @param script [String] script to run
# @param options [Hash] options hash
# @return [Mixlib::Shellout] mixlib-shellout object
def powershell_out!(*command_args)
cmd = powershell_out(*command_args)
cmd.error!
cmd
end
private
# Helper function to run shell_out and wrap it with the correct
# flags to possibly disable WOW64 redirection (which we often need
# because chef-client runs as a 32-bit app on 64-bit windows).
#
# @param script [String] script to run
# @param options [Hash] options hash
# @return [Mixlib::Shellout] mixlib-shellout object
def run_command_with_os_architecture(script, options)
options ||= {}
options = options.dup
arch = options.delete(:architecture)
with_os_architecture(nil, architecture: arch) do
shell_out(
build_powershell_command(script),
options
)
end
end
# Helper to build a powershell command around the script to run.
#
# @param script [String] script to run
# @return [String] powershell command to execute
def build_powershell_command(script)
flags = [
# Hides the copyright banner at startup.
"-NoLogo",
# Does not present an interactive prompt to the user.
"-NonInteractive",
# Does not load the Windows PowerShell profile.
"-NoProfile",
# always set the ExecutionPolicy flag
# see http://technet.microsoft.com/en-us/library/ee176961.aspx
"-ExecutionPolicy Unrestricted",
# PowerShell will hang if STDIN is redirected
# http://connect.microsoft.com/PowerShell/feedback/details/572313/powershell-exe-can-hang-if-stdin-is-redirected
"-InputFormat None",
]
"powershell.exe #{flags.join(" ")} -Command \"#{script.gsub('"', '\"')}\""
end
end
end
end
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