Class: Chef::Platform
- Inherits:
-
Object
show all
- Extended by:
- Mixin::ConvertToClassName, Mixin::ParamsValidate
- Defined in:
- lib/chef/platform.rb,
lib/chef/platform/rebooter.rb,
lib/chef/platform/handler_map.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
Classes: HandlerMap, PriorityMap, ProviderHandlerMap, ProviderPriorityMap, ResourceHandlerMap, ResourcePriorityMap, ServiceHelpers
Class Attribute Summary collapse
Class Method Summary
collapse
constantize, convert_to_class_name, convert_to_snake_case, filename_to_qualified_string, normalize_snake_case_name, snake_case_basename
lazy, set_or_return, validate
Class Attribute Details
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# File 'lib/chef/platform/provider_mapping.rb', line 31
def platforms
@platforms ||= { default: {} }
end
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Class Method Details
.dsc_refresh_mode_disabled?(node) ⇒ Boolean
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# File 'lib/chef/platform/query_helpers.rb', line 96
def dsc_refresh_mode_disabled?(node)
require "chef/util/powershell/cmdlet"
cmdlet = Chef::Util::Powershell::Cmdlet.new(node, "Get-DscLocalConfigurationManager", :object)
metadata = cmdlet.run!.return_value
metadata["RefreshMode"] == "Disabled"
end
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.find(name, version) ⇒ Object
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# File 'lib/chef/platform/provider_mapping.rb', line 37
def find(name, version)
provider_map = platforms[:default].clone
name_sym = name
if name.kind_of?(String)
name = name.downcase
name.gsub!(/\s/, "_")
name_sym = name.to_sym
end
if platforms.has_key?(name_sym)
platform_versions = platforms[name_sym].select { |k, v| k != :default }
if platforms[name_sym].has_key?(:default)
provider_map.merge!(platforms[name_sym][:default])
end
platform_versions.each do |platform_version, provider|
begin
version_constraint = Chef::VersionConstraint::Platform.new(platform_version)
if version_constraint.include?(version)
Chef::Log.debug("Platform #{name} version #{version} found")
provider_map.merge!(provider)
end
rescue Chef::Exceptions::InvalidPlatformVersion
Chef::Log.debug("Chef::Version::Comparable does not know how to parse the platform version: #{version}")
end
end
end
provider_map
end
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# File 'lib/chef/platform/provider_mapping.rb', line 67
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
return platform, version
end
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.find_provider(platform, version, resource_type) ⇒ Object
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# File 'lib/chef/platform/provider_mapping.rb', line 174
def find_provider(platform, version, resource_type)
provider_klass = explicit_provider(platform, version, resource_type) ||
platform_provider(platform, version, resource_type) ||
resource_matching_provider(platform, version, resource_type)
raise Chef::Exceptions::ProviderNotFound, "Cannot find a provider for #{resource_type} on #{platform} version #{version}" if provider_klass.nil?
provider_klass
end
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.find_provider_for_node(node, resource_type) ⇒ Object
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# File 'lib/chef/platform/provider_mapping.rb', line 104
def find_provider_for_node(node, resource_type)
platform, version = find_platform_and_version(node)
find_provider(platform, version, resource_type)
end
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.provider_for_node(node, resource_type) ⇒ Object
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# File 'lib/chef/platform/provider_mapping.rb', line 100
def provider_for_node(node, resource_type)
raise NotImplementedError, "#{self.class.name} no longer supports #provider_for_node"
end
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.provider_for_resource(resource, action = :nothing) ⇒ Object
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# File 'lib/chef/platform/provider_mapping.rb', line 92
def provider_for_resource(resource, action = :nothing)
node = resource.run_context && resource.run_context.node
raise ArgumentError, "Cannot find the provider for a resource with no run context set" unless node
provider = find_provider_for_node(node, resource).new(resource, resource.run_context)
provider.action = action
provider
end
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.set(args) ⇒ Object
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# File 'lib/chef/platform/provider_mapping.rb', line 109
def set(args)
validate(
args,
{
:platform => {
:kind_of => Symbol,
:required => false,
},
:version => {
:kind_of => String,
:required => false,
},
:resource => {
:kind_of => Symbol,
},
:provider => {
:kind_of => [ String, Symbol, Class ],
},
}
)
if args.has_key?(:platform)
if args.has_key?(:version)
if platforms.has_key?(args[:platform])
if platforms[args[:platform]].has_key?(args[:version])
platforms[args[:platform]][args[:version]][args[:resource].to_sym] = args[:provider]
else
platforms[args[:platform]][args[:version]] = {
args[:resource].to_sym => args[:provider],
}
end
else
platforms[args[:platform]] = {
args[:version] => {
args[:resource].to_sym => args[:provider],
},
}
end
else
if platforms.has_key?(args[:platform])
if platforms[args[:platform]].has_key?(:default)
platforms[args[:platform]][:default][args[:resource].to_sym] = args[:provider]
elsif args[:platform] == :default
platforms[:default][args[:resource].to_sym] = args[:provider]
else
platforms[args[:platform]] = { :default => { args[:resource].to_sym => args[:provider] } }
end
else
platforms[args[:platform]] = {
:default => {
args[:resource].to_sym => args[:provider],
},
}
end
end
else
if platforms.has_key?(:default)
platforms[:default][args[:resource].to_sym] = args[:provider]
else
platforms[:default] = {
args[:resource].to_sym => args[:provider],
}
end
end
end
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.supported_powershell_version?(node, version_string) ⇒ Boolean
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# File 'lib/chef/platform/query_helpers.rb', line 103
def supported_powershell_version?(node, version_string)
return false unless node[:languages] && node[:languages][:powershell]
require "rubygems"
Gem::Version.new(node[:languages][:powershell][:version]) >=
Gem::Version.new(version_string)
end
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.supports_dsc?(node) ⇒ Boolean
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# File 'lib/chef/platform/query_helpers.rb', line 82
def supports_dsc?(node)
node[:languages] && node[:languages][:powershell] &&
node[:languages][:powershell][:version].to_i >= 4
end
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.supports_dsc_invoke_resource?(node) ⇒ Boolean
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# File 'lib/chef/platform/query_helpers.rb', line 87
def supports_dsc_invoke_resource?(node)
supports_dsc?(node) &&
supported_powershell_version?(node, "5.0.10018.0")
end
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.supports_msi? ⇒ Boolean
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# File 'lib/chef/platform/query_helpers.rb', line 61
def supports_msi?
return false unless windows?
require "win32/registry"
key = "System\\CurrentControlSet\\Services\\msiserver"
access = ::Win32::Registry::KEY_QUERY_VALUE
begin
::Win32::Registry::HKEY_LOCAL_MACHINE.open(key, access) do |reg|
true
end
rescue ::Win32::Registry::Error
false
end
end
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.supports_powershell_execution_bypass?(node) ⇒ Boolean
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# File 'lib/chef/platform/query_helpers.rb', line 77
def supports_powershell_execution_bypass?(node)
node[:languages] && node[:languages][:powershell] &&
node[:languages][:powershell][:version].to_i >= 3
end
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.supports_refresh_mode_enabled?(node) ⇒ Boolean
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# File 'lib/chef/platform/query_helpers.rb', line 92
def supports_refresh_mode_enabled?(node)
supported_powershell_version?(node, "5.0.10586.0")
end
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.windows? ⇒ Boolean
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# File 'lib/chef/platform/query_helpers.rb', line 23
def windows?
ChefConfig.windows?
end
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.windows_nano_server? ⇒ Boolean
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# File 'lib/chef/platform/query_helpers.rb', line 39
def windows_nano_server?
return false unless windows?
require "win32/registry"
nano = nil
key = "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Server\\ServerLevels"
access = ::Win32::Registry::KEY_QUERY_VALUE | 0x0100 begin
::Win32::Registry::HKEY_LOCAL_MACHINE.open(key, access) do |reg|
nano = reg["NanoServer"]
end
rescue ::Win32::Registry::Error
end
return nano == 1
end
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.windows_server_2003? ⇒ Boolean
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# File 'lib/chef/platform/query_helpers.rb', line 27
def windows_server_2003?
return false unless windows?
require "wmi-lite/wmi"
wmi = WmiLite::Wmi.new
host = wmi.first_of("Win32_OperatingSystem")
is_server_2003 = (host["version"] && host["version"].start_with?("5.2"))
is_server_2003
end
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