Class: Chef::Knife::Core::WindowsBootstrapContext

Inherits:
BootstrapContext
  • Object
show all
Defined in:
lib/chef/knife/core/windows_bootstrap_context.rb

Overview

Instances of BootstrapContext are the context objects (i.e., self) for bootstrap templates. For backwards compatability, they must set the following instance variables:

  • @config - a hash of knife’s config values

  • @run_list - the run list for the node to boostrap

Constant Summary collapse

PathHelper = 
::Knife::Windows::PathHelper

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(config, run_list, chef_config, secret = nil) ⇒ WindowsBootstrapContext

Returns a new instance of WindowsBootstrapContext.



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# File 'lib/chef/knife/core/windows_bootstrap_context.rb', line 40

def initialize(config, run_list, chef_config, secret=nil)
  @config       = config
  @run_list     = run_list
  @chef_config  = chef_config
  @secret       = secret
  # Compatibility with Chef 12 and Chef 11 versions
  begin
    # Pass along the secret parameter for Chef 12
    super(config, run_list, chef_config, secret)
  rescue ArgumentError
    # The Chef 11 base class only has parameters for initialize
    super(config, run_list, chef_config)
  end
end

Instance Attribute Details

#client_pem ⇒ Object

Returns the value of attribute client_pem.



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# File 'lib/chef/knife/core/windows_bootstrap_context.rb', line 38

def client_pem
  @client_pem
end

Instance Method Details

#bootstrap_directory ⇒ Object 



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# File 'lib/chef/knife/core/windows_bootstrap_context.rb', line 261

def bootstrap_directory
  bootstrap_directory = "C:\\chef"
end

#config_content ⇒ Object 



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# File 'lib/chef/knife/core/windows_bootstrap_context.rb', line 71

def config_content
  client_rb = <<-CONFIG
log_level        :info
log_location     STDOUT

chef_server_url  "#{@chef_config[:chef_server_url]}"
validation_client_name "#{@chef_config[:validation_client_name]}"

file_cache_path   "c:/chef/cache"
file_backup_path  "c:/chef/backup"
cache_options     ({:path => "c:/chef/cache/checksums", :skip_expires => true})

CONFIG
  if @config[:chef_node_name]
    client_rb << %Q{node_name "#{@config[:chef_node_name]}"\n}
  else
    client_rb << "# Using default node name (fqdn)\n"
  end

  # We configure :verify_api_cert only when it's overridden on the CLI
  # or when specified in the knife config.
  if !@config[:node_verify_api_cert].nil? || knife_config.has_key?(:verify_api_cert)
    value = @config[:node_verify_api_cert].nil? ? knife_config[:verify_api_cert] : @config[:node_verify_api_cert]
    client_rb << %Q{verify_api_cert #{value}\n}
  end

  # We configure :ssl_verify_mode only when it's overridden on the CLI
  # or when specified in the knife config.
  if @config[:node_ssl_verify_mode] || knife_config.has_key?(:ssl_verify_mode)
    value = case @config[:node_ssl_verify_mode]
    when "peer"
      :verify_peer
    when "none"
      :verify_none
    when nil
      knife_config[:ssl_verify_mode]
    else
      nil
    end

    if value
      client_rb << %Q{ssl_verify_mode :#{value}\n}
    end
  end

  if @config[:ssl_verify_mode]
    client_rb << %Q{ssl_verify_mode :#{knife_config[:ssl_verify_mode]}\n}
  end

  if knife_config[:bootstrap_proxy]
    client_rb << "\n"
    client_rb << %Q{http_proxy        "#{knife_config[:bootstrap_proxy]}"\n}
    client_rb << %Q{https_proxy       "#{knife_config[:bootstrap_proxy]}"\n}
    client_rb << %Q{no_proxy          "#{knife_config[:bootstrap_no_proxy]}"\n} if knife_config[:bootstrap_no_proxy]
  end

  if knife_config[:bootstrap_no_proxy]
    client_rb << %Q{no_proxy       "#{knife_config[:bootstrap_no_proxy]}"\n}
  end

  if @config[:secret]
    client_rb << %Q{encrypted_data_bag_secret "c:/chef/encrypted_data_bag_secret"\n}
  end

  unless trusted_certs_script.empty?
    client_rb << %Q{trusted_certs_dir "c:/chef/trusted_certs"\n}
  end

  escape_and_echo(client_rb)
end

#escape_and_echo(file_contents) ⇒ Object

escape WIN BATCH special chars and prefixes each line with an echo



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# File 'lib/chef/knife/core/windows_bootstrap_context.rb', line 291

def escape_and_echo(file_contents)
  file_contents.gsub(/^(.*)$/, 'echo.\1').gsub(/([(<|>)^])/, '^\1')
end

#first_boot ⇒ Object 



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# File 'lib/chef/knife/core/windows_bootstrap_context.rb', line 284

def first_boot
  escape_and_echo(super.to_json)
end

#install_chef ⇒ Object 



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# File 'lib/chef/knife/core/windows_bootstrap_context.rb', line 255

def install_chef
  # The normal install command uses regular double quotes in
  # the install command, so request such a string from install_command
  install_chef = install_command('"') + "\n" + fallback_install_task_command
end

#latest_current_windows_chef_version_query ⇒ Object 



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# File 'lib/chef/knife/core/windows_bootstrap_context.rb', line 148

def latest_current_windows_chef_version_query
  installer_version_string = nil
  if @config[:prerelease]
    installer_version_string = "&prerelease=true"
  else
    chef_version_string = if knife_config[:bootstrap_version]
      knife_config[:bootstrap_version]
    else
      Chef::VERSION.split(".").first
    end

    installer_version_string = "&v=#{chef_version_string}"

    # If bootstrapping a pre-release version add the prerelease query string
    if chef_version_string.split(".").length > 3
      installer_version_string << "&prerelease=true"
    end
  end

  installer_version_string
end

#local_download_path ⇒ Object 



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# File 'lib/chef/knife/core/windows_bootstrap_context.rb', line 265

def local_download_path
  local_download_path = "%TEMP%\\chef-client-latest.msi"
end

#msi_url(machine_os = nil, machine_arch = nil, download_context = nil) ⇒ Object 



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# File 'lib/chef/knife/core/windows_bootstrap_context.rb', line 269

def msi_url(machine_os=nil, machine_arch=nil, download_context=nil)
  # The default msi path has a number of url query parameters - we attempt to substitute
  # such parameters in as long as they are provided by the template.

  if @config[:msi_url].nil? || @config[:msi_url].empty?
    url = "https://www.chef.io/chef/download?p=windows"
    url += "&pv=#{machine_os}" unless machine_os.nil?
    url += "&m=#{machine_arch}" unless machine_arch.nil?
    url += "&DownloadContext=#{download_context}" unless download_context.nil?
    url += latest_current_windows_chef_version_query
  else
    @config[:msi_url]
  end
end

#secret ⇒ Object 



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# File 'lib/chef/knife/core/windows_bootstrap_context.rb', line 63

def secret
  escape_and_echo(@config[:secret])
end

#start_chef ⇒ Object 



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# File 'lib/chef/knife/core/windows_bootstrap_context.rb', line 142

def start_chef
  bootstrap_environment_option = bootstrap_environment.nil? ? '' : " -E #{bootstrap_environment}"
  start_chef = "SET \"PATH=%PATH%;C:\\ruby\\bin;C:\\opscode\\chef\\bin;C:\\opscode\\chef\\embedded\\bin\"\n"
  start_chef << "chef-client -c c:/chef/client.rb -j c:/chef/first-boot.json#{bootstrap_environment_option}\n"
end

#trusted_certs_script ⇒ Object 



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# File 'lib/chef/knife/core/windows_bootstrap_context.rb', line 67

def trusted_certs_script
  @trusted_certs_script ||= trusted_certs_content
end

#validation_key ⇒ Object 



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# File 'lib/chef/knife/core/windows_bootstrap_context.rb', line 55

def validation_key
  if File.exist?(File.expand_path(@chef_config[:validation_key]))
    IO.read(File.expand_path(@chef_config[:validation_key]))
  else
    false
  end
end

#win_wget ⇒ Object 



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# File 'lib/chef/knife/core/windows_bootstrap_context.rb', line 170

def win_wget
  # I tried my best to figure out how to properly url decode and switch / to \
  # but this is VBScript - so I don't really care that badly.
  win_wget = <<-WGET
url = WScript.Arguments.Named("url")
path = WScript.Arguments.Named("path")
proxy = null
'* Vaguely attempt to handle file:// scheme urls by url unescaping and switching all
'* / into \.  Also assume that file:/// is a local absolute path and that file://<foo>
'* is possibly a network file path.
If InStr(url, "file://") = 1 Then
url = Unescape(url)
If InStr(url, "file:///") = 1 Then
sourcePath = Mid(url, Len("file:///") + 1)
Else
sourcePath = Mid(url, Len("file:") + 1)
End If
sourcePath = Replace(sourcePath, "/", "\\")

Set objFSO = CreateObject("Scripting.FileSystemObject")
If objFSO.Fileexists(path) Then objFSO.DeleteFile path
objFSO.CopyFile sourcePath, path, true
Set objFSO = Nothing

Else
Set objXMLHTTP = CreateObject("MSXML2.ServerXMLHTTP")
Set wshShell = CreateObject( "WScript.Shell" )
Set objUserVariables = wshShell.Environment("USER")

rem http proxy is optional
rem attempt to read from HTTP_PROXY env var first
On Error Resume Next

If NOT (objUserVariables("HTTP_PROXY") = "") Then
proxy = objUserVariables("HTTP_PROXY")

rem fall back to named arg
ElseIf NOT (WScript.Arguments.Named("proxy") = "") Then
proxy = WScript.Arguments.Named("proxy")
End If

If NOT isNull(proxy) Then
rem setProxy method is only available on ServerXMLHTTP 6.0+
Set objXMLHTTP = CreateObject("MSXML2.ServerXMLHTTP.6.0")
objXMLHTTP.setProxy 2, proxy
End If

On Error Goto 0

objXMLHTTP.open "GET", url, false
objXMLHTTP.send()
If objXMLHTTP.Status = 200 Then
Set objADOStream = CreateObject("ADODB.Stream")
objADOStream.Open
objADOStream.Type = 1
objADOStream.Write objXMLHTTP.ResponseBody
objADOStream.Position = 0
Set objFSO = Createobject("Scripting.FileSystemObject")
If objFSO.Fileexists(path) Then objFSO.DeleteFile path
Set objFSO = Nothing
objADOStream.SaveToFile path
objADOStream.Close
Set objADOStream = Nothing
End If
Set objXMLHTTP = Nothing
End If
WGET
  escape_and_echo(win_wget)
end

#win_wget_ps ⇒ Object 



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# File 'lib/chef/knife/core/windows_bootstrap_context.rb', line 240

def win_wget_ps
  win_wget_ps = <<-WGET_PS
param(
   [String] $remoteUrl,
   [String] $localPath
)

$webClient = new-object System.Net.WebClient;

$webClient.DownloadFile($remoteUrl, $localPath);
WGET_PS

  escape_and_echo(win_wget_ps)
end