diff options
Diffstat (limited to 'lib/chef/provider.rb')
| -rw-r--r-- | lib/chef/provider.rb | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/lib/chef/provider.rb b/lib/chef/provider.rb index 65a56cf726..e50e374804 100644 --- a/lib/chef/provider.rb +++ b/lib/chef/provider.rb @@ -22,14 +22,19 @@ require 'chef/mixin/convert_to_class_name' require 'chef/mixin/enforce_ownership_and_permissions' require 'chef/mixin/why_run' require 'chef/mixin/shell_out' +require 'chef/mixin/powershell_out' require 'chef/mixin/provides' require 'chef/platform/service_helpers' require 'chef/node_map' class Chef class Provider + require 'chef/mixin/why_run' + require 'chef/mixin/shell_out' + require 'chef/mixin/provides' include Chef::Mixin::WhyRun include Chef::Mixin::ShellOut + include Chef::Mixin::PowershellOut extend Chef::Mixin::Provides # supports the given resource and action (late binding) @@ -83,6 +88,9 @@ class Chef new_resource.cookbook_name end + def check_resource_semantics! + end + def load_current_resource raise Chef::Exceptions::Override, "You must override load_current_resource in #{self.to_s}" end @@ -108,6 +116,8 @@ class Chef # TODO: it would be preferable to get the action to be executed in the # constructor... + check_resource_semantics! + # user-defined LWRPs may include unsafe load_current_resource methods that cannot be run in whyrun mode if !whyrun_mode? || whyrun_supported? load_current_resource @@ -165,6 +175,14 @@ class Chef converge_actions.add_action(descriptions, &block) end + def self.provides(short_name, opts={}, &block) + Chef.set_provider_priority_array(short_name, self, opts, &block) + end + + def self.provides?(node, resource) + Chef::ProviderResolver.new(node, resource, :nothing).provided_by?(self) + end + protected def converge_actions @@ -191,5 +209,39 @@ class Chef end end + module DeprecatedLWRPClass + def const_missing(class_name) + if deprecated_constants[class_name.to_sym] + Chef::Log.deprecation("Using an LWRP provider by its name (#{class_name}) directly is no longer supported in Chef 12 and will be removed. Use Chef::ProviderResolver.new(node, resource, action) instead.") + deprecated_constants[class_name.to_sym] + else + raise NameError, "uninitialized constant Chef::Provider::#{class_name}" + end + end + + # @api private + def register_deprecated_lwrp_class(provider_class, class_name) + # Register Chef::Provider::MyProvider with deprecation warnings if you + # try to access it + if Chef::Provider.const_defined?(class_name, false) + Chef::Log.warn "Chef::Provider::#{class_name} already exists! Cannot create deprecation class for #{provider_class}" + else + deprecated_constants[class_name.to_sym] = provider_class + end + end + + private + + def deprecated_constants + @deprecated_constants ||= {} + end + end + extend DeprecatedLWRPClass end end + +# Requiring things at the bottom breaks cycles +require 'chef/chef_class' +require 'chef/mixin/why_run' +require 'chef/resource_collection' +require 'chef/runner' |