Class: Chef::Platform

Inherits:
Object
  • Object
show all
Defined in:
lib/chef/platform.rb,
lib/chef/platform/rebooter.rb,
lib/chef/platform/priority_map.rb,
lib/chef/platform/query_helpers.rb,
lib/chef/platform/service_helpers.rb,
lib/chef/platform/provider_mapping.rb,
lib/chef/platform/provider_handler_map.rb,
lib/chef/platform/resource_handler_map.rb,
lib/chef/platform/provider_priority_map.rb,
lib/chef/platform/resource_priority_map.rb

Defined Under Namespace

Modules: Rebooter, ServiceHelpers Classes: PriorityMap, ProviderHandlerMap, ProviderPriorityMap, ResourceHandlerMap, ResourcePriorityMap

Class Method Summary collapse

Class Method Details

.dsc_refresh_mode_disabled?(node) ⇒ Boolean

Returns:

  • (Boolean) 

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# File 'lib/chef/platform/query_helpers.rb', line 60

def dsc_refresh_mode_disabled?(node)
  require_relative "../powershell"
  exec = Chef::PowerShell.new("Get-DscLocalConfigurationManager")
  exec.error!
  exec.result["RefreshMode"] == "Disabled"
end

.find_platform_and_version(node) ⇒ Object

Raises:

  • (ArgumentError) 

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# File 'lib/chef/platform/provider_mapping.rb', line 29

def find_platform_and_version(node)
  platform = nil
  version = nil

  if node[:platform]
    platform = node[:platform]
  elsif node.attribute?("os")
    platform = node[:os]
  end

  raise ArgumentError, "Cannot find a platform for #{node}" unless platform

  if node[:platform_version]
    version = node[:platform_version]
  elsif node[:os_version]
    version = node[:os_version]
  elsif node[:os_release]
    version = node[:os_release]
  end

  raise ArgumentError, "Cannot find a version for #{node}" unless version

  [platform, version]
end

.supported_powershell_version?(node, version_string) ⇒ Boolean

Returns:

  • (Boolean) 

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# File 'lib/chef/platform/query_helpers.rb', line 67

def supported_powershell_version?(node, version_string)
  return false unless node[:languages] && node[:languages][:powershell]

  require "rubygems" unless defined?(Gem)
  Gem::Version.new(node[:languages][:powershell][:version]) >=
    Gem::Version.new(version_string)
end

.supports_dsc?(node) ⇒ Boolean

Returns:

  • (Boolean) 

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# File 'lib/chef/platform/query_helpers.rb', line 46

def supports_dsc?(node)
  node[:languages] && node[:languages][:powershell] &&
    node[:languages][:powershell][:version].to_i >= 4
end

.supports_dsc_invoke_resource?(node) ⇒ Boolean

Returns:

  • (Boolean) 

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# File 'lib/chef/platform/query_helpers.rb', line 51

def supports_dsc_invoke_resource?(node)
  supports_dsc?(node) &&
    supported_powershell_version?(node, "5.0.10018.0")
end

.supports_msi? ⇒ Boolean

Deprecated.

we added this method due to Windows Server Nano, which is no longer a platform

Returns:

  • (Boolean) 

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# File 'lib/chef/platform/query_helpers.rb', line 35

def supports_msi?
  return false unless windows?

  true
end

.supports_powershell_execution_bypass?(node) ⇒ Boolean

Deprecated.

we don't support any release of Windows that isn't PS 3+

Returns:

  • (Boolean) 

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# File 'lib/chef/platform/query_helpers.rb', line 42

def supports_powershell_execution_bypass?(node)
  true
end

.supports_refresh_mode_enabled?(node) ⇒ Boolean

Returns:

  • (Boolean) 

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# File 'lib/chef/platform/query_helpers.rb', line 56

def supports_refresh_mode_enabled?(node)
  supported_powershell_version?(node, "5.0.10586.0")
end

.windows? ⇒ Boolean

Returns:

  • (Boolean) 

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# File 'lib/chef/platform/query_helpers.rb', line 25

def windows?
  ChefUtils.windows?
end

.windows_nano_server? ⇒ Boolean

Deprecated.

Windows Nano is not a thing anymore so this check shouldn't be used

Returns:

  • (Boolean) 

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# File 'lib/chef/platform/query_helpers.rb', line 30

def windows_nano_server?
  false
end