Class: Chef::Provisioning::ConvergenceStrategy::InstallMsi

Inherits:
PrecreateChefObjects show all
Defined in:
lib/chef/provisioning/convergence_strategy/install_msi.rb

Instance Attribute Summary collapse

Attributes inherited from Chef::Provisioning::ConvergenceStrategy

#config, #convergence_options

Instance Method Summary collapse

Methods inherited from PrecreateChefObjects

#chef_server, #cleanup_convergence

Methods inherited from Chef::Provisioning::ConvergenceStrategy

#cleanup_convergence

Constructor Details

#initialize(convergence_options, config) ⇒ InstallMsi

Returns a new instance of InstallMsi.



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# File 'lib/chef/provisioning/convergence_strategy/install_msi.rb', line 8

def initialize(convergence_options, config)
  super
  @chef_version ||= convergence_options[:chef_version]
  @prerelease ||= convergence_options[:prerelease]
  @install_msi_url = convergence_options[:install_msi_url] || 'https://www.chef.io/chef/install.msi'
  @install_msi_path = convergence_options[:install_msi_path] || "$env:TEMP\\#{File.basename(@install_msi_url)}"
  @chef_client_timeout = convergence_options.has_key?(:chef_client_timeout) ? convergence_options[:chef_client_timeout] : 120*60 # Default: 2 hours
end

Instance Attribute Details

#chef_version ⇒ Object (readonly)

Returns the value of attribute chef_version.



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# File 'lib/chef/provisioning/convergence_strategy/install_msi.rb', line 17

def chef_version
  @chef_version
end

#install_msi_path ⇒ Object (readonly)

Returns the value of attribute install_msi_path.



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# File 'lib/chef/provisioning/convergence_strategy/install_msi.rb', line 20

def install_msi_path
  @install_msi_path
end

#install_msi_url ⇒ Object (readonly)

Returns the value of attribute install_msi_url.



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# File 'lib/chef/provisioning/convergence_strategy/install_msi.rb', line 19

def install_msi_url
  @install_msi_url
end

#prerelease ⇒ Object (readonly)

Returns the value of attribute prerelease.



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# File 'lib/chef/provisioning/convergence_strategy/install_msi.rb', line 18

def prerelease
  @prerelease
end

Instance Method Details

#converge(action_handler, machine) ⇒ Object 



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# File 'lib/chef/provisioning/convergence_strategy/install_msi.rb', line 62

def converge(action_handler, machine)
  super

  action_handler.open_stream(machine.node['name']) do |stdout|
    action_handler.open_stream(machine.node['name']) do |stderr|
      command_line = "chef-client"
      command_line << " -l #{config[:log_level].to_s}" if config[:log_level]
      machine.execute(action_handler, command_line,
        :stream_stdout => stdout,
        :stream_stderr => stderr,
        :timeout => @chef_client_timeout)
    end
  end
end

#setup_convergence(action_handler, machine) ⇒ Object 



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# File 'lib/chef/provisioning/convergence_strategy/install_msi.rb', line 22

def setup_convergence(action_handler, machine)
  if !convergence_options.has_key?(:client_rb_path) || !convergence_options.has_key?(:client_pem_path)
    system_drive = machine.execute_always('$env:SystemDrive').stdout.strip
    @convergence_options = Cheffish::MergedConfig.new(convergence_options, {
      :client_rb_path => "#{system_drive}\\chef\\client.rb",
      :client_pem_path => "#{system_drive}\\chef\\client.pem"
    })
  end

  super

  # Check for existing chef client.
  version = machine.execute_always('chef-client -v')

  # Don't do install/upgrade if a chef client exists and
  # no chef version is defined by user configs or
  # the chef client's version already matches user config
  if version.exitstatus == 0
    version = version.stdout.strip
    if !chef_version
      return
    elsif version =~ /Chef: #{chef_version}$/
      Chef::Log.debug "Already installed chef version #{version}"
      return
    elsif version.include?(chef_version)
      Chef::Log.warn "Installed chef version #{version} contains desired version #{chef_version}.  " +
        "If you see this message on consecutive chef runs tighten your desired version constraint to prevent " +
        "multiple convergence."
    end
  end

  # Install chef client
  # TODO ssh verification of install.msi before running arbtrary code would be nice?
  # TODO find a way to cache this on the host like with the Unix stuff.
  # Limiter is we don't know how to efficiently upload large files to
  # the remote machine with WMI.
  machine.execute(action_handler, "(New-Object System.Net.WebClient).DownloadFile(#{machine.escape(install_msi_url)}, #{machine.escape(install_msi_path)})")
  machine.execute(action_handler, "msiexec /qn /i #{machine.escape(install_msi_path)}")
end