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#
# Author:: Adam Jacob (<adam@opscode.com>)
# Copyright:: Copyright (c) 2008 Opscode, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require 'chef/config'
require 'chef/log'
require 'chef/mixin/params_validate'
# Actually, this file depends on nearly every provider in chef, but actually
# requiring them causes circular requires resulting in uninitialized constant
# errors.
require 'chef/provider'
require 'chef/provider/log'
require 'chef/provider/user'
require 'chef/provider/group'
require 'chef/provider/mount'
require 'chef/provider/service'
require 'chef/provider/package'
class Chef
class Platform
class << self
attr_writer :platforms
def platforms
@platforms ||= {
:mac_os_x => {
:default => {
:package => Chef::Provider::Package::Macports,
:user => Chef::Provider::User::Dscl,
:group => Chef::Provider::Group::Dscl
}
},
:freebsd => {
:default => {
:group => Chef::Provider::Group::Pw,
:package => Chef::Provider::Package::Freebsd,
:service => Chef::Provider::Service::Freebsd,
:user => Chef::Provider::User::Pw,
:cron => Chef::Provider::Cron
}
},
:ubuntu => {
:default => {
:package => Chef::Provider::Package::Apt,
:service => Chef::Provider::Service::Debian,
:cron => Chef::Provider::Cron,
:mdadm => Chef::Provider::Mdadm
}
},
:debian => {
:default => {
:package => Chef::Provider::Package::Apt,
:service => Chef::Provider::Service::Debian,
:cron => Chef::Provider::Cron,
:mdadm => Chef::Provider::Mdadm
}
},
:centos => {
:default => {
:service => Chef::Provider::Service::Redhat,
:cron => Chef::Provider::Cron,
:package => Chef::Provider::Package::Yum,
:mdadm => Chef::Provider::Mdadm
}
},
:amazon => {
:default => {
:service => Chef::Provider::Service::Redhat,
:cron => Chef::Provider::Cron,
:package => Chef::Provider::Package::Yum,
:mdadm => Chef::Provider::Mdadm
}
},
:scientific => {
:default => {
:service => Chef::Provider::Service::Redhat,
:cron => Chef::Provider::Cron,
:package => Chef::Provider::Package::Yum,
:mdadm => Chef::Provider::Mdadm
}
},
:fedora => {
:default => {
:service => Chef::Provider::Service::Redhat,
:cron => Chef::Provider::Cron,
:package => Chef::Provider::Package::Yum,
:mdadm => Chef::Provider::Mdadm
}
},
:suse => {
:default => {
:service => Chef::Provider::Service::Redhat,
:cron => Chef::Provider::Cron,
:package => Chef::Provider::Package::Zypper
}
},
:redhat => {
:default => {
:service => Chef::Provider::Service::Redhat,
:cron => Chef::Provider::Cron,
:package => Chef::Provider::Package::Yum,
:mdadm => Chef::Provider::Mdadm
}
},
:gentoo => {
:default => {
:package => Chef::Provider::Package::Portage,
:service => Chef::Provider::Service::Gentoo,
:cron => Chef::Provider::Cron,
:mdadm => Chef::Provider::Mdadm
}
},
:arch => {
:default => {
:package => Chef::Provider::Package::Pacman,
:service => Chef::Provider::Service::Arch,
:cron => Chef::Provider::Cron,
:mdadm => Chef::Provider::Mdadm
}
},
:mswin => {
:default => {
:env => Chef::Provider::Env::Windows,
:service => Chef::Provider::Service::Windows,
:user => Chef::Provider::User::Windows,
:group => Chef::Provider::Group::Windows,
:mount => Chef::Provider::Mount::Windows
}
},
:mingw32 => {
:default => {
:env => Chef::Provider::Env::Windows,
:service => Chef::Provider::Service::Windows,
:user => Chef::Provider::User::Windows,
:group => Chef::Provider::Group::Windows,
:mount => Chef::Provider::Mount::Windows
}
},
:windows => {
:default => {
:env => Chef::Provider::Env::Windows,
:service => Chef::Provider::Service::Windows,
:user => Chef::Provider::User::Windows,
:group => Chef::Provider::Group::Windows,
:mount => Chef::Provider::Mount::Windows
}
},
:solaris => {},
:solaris2 => {
:default => {
:service => Chef::Provider::Service::Solaris,
:package => Chef::Provider::Package::Solaris,
:cron => Chef::Provider::Cron::Solaris,
:group => Chef::Provider::Group::Usermod
}
},
:default => {
:file => Chef::Provider::File,
:directory => Chef::Provider::Directory,
:link => Chef::Provider::Link,
:template => Chef::Provider::Template,
:remote_directory => Chef::Provider::RemoteDirectory,
:execute => Chef::Provider::Execute,
:mount => Chef::Provider::Mount::Mount,
:script => Chef::Provider::Script,
:service => Chef::Provider::Service::Init,
:perl => Chef::Provider::Script,
:python => Chef::Provider::Script,
:ruby => Chef::Provider::Script,
:bash => Chef::Provider::Script,
:csh => Chef::Provider::Script,
:user => Chef::Provider::User::Useradd,
:group => Chef::Provider::Group::Gpasswd,
:http_request => Chef::Provider::HttpRequest,
:route => Chef::Provider::Route,
:ifconfig => Chef::Provider::Ifconfig,
:ruby_block => Chef::Provider::RubyBlock,
:erl_call => Chef::Provider::ErlCall,
:log => Chef::Provider::Log::ChefLog
}
}
end
include Chef::Mixin::ParamsValidate
def find(name, version)
provider_map = platforms[:default].clone
name_sym = name
if name.kind_of?(String)
name.downcase!
name.gsub!(/\s/, "_")
name_sym = name.to_sym
end
if platforms.has_key?(name_sym)
if platforms[name_sym].has_key?(version)
Chef::Log.debug("Platform #{name.to_s} version #{version} found")
if platforms[name_sym].has_key?(:default)
provider_map.merge!(platforms[name_sym][:default])
end
provider_map.merge!(platforms[name_sym][version])
elsif platforms[name_sym].has_key?(:default)
provider_map.merge!(platforms[name_sym][:default])
end
else
Chef::Log.debug("Platform #{name} not found, using all defaults. (Unsupported platform?)")
end
provider_map
end
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
def provider_for_resource(resource)
node = resource.run_context && resource.run_context.node
raise ArgumentError, "Cannot find the provider for a resource with no run context set" unless node
find_provider_for_node(node, resource).new(resource, resource.run_context)
end
def provider_for_node(node, resource_type)
raise NotImplementedError, "#{self.class.name} no longer supports #provider_for_node"
find_provider_for_node(node, resource_type).new(node, resource_type)
end
def find_provider_for_node(node, resource_type)
platform, version = find_platform_and_version(node)
provider = find_provider(platform, version, resource_type)
end
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]
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
def find_provider(platform, version, resource_type)
pmap = Chef::Platform.find(platform, version)
provider_klass = explicit_provider(platform, version, resource_type) ||
platform_provider(platform, version, resource_type) ||
resource_matching_provider(platform, version, resource_type)
raise ArgumentError, "Cannot find a provider for #{resource_type} on #{platform} version #{version}" if provider_klass.nil?
provider_klass
end
private
def explicit_provider(platform, version, resource_type)
resource_type.kind_of?(Chef::Resource) ? resource_type.provider : nil
end
def platform_provider(platform, version, resource_type)
pmap = Chef::Platform.find(platform, version)
rtkey = resource_type.kind_of?(Chef::Resource) ? resource_type.resource_name.to_sym : resource_type
pmap.has_key?(rtkey) ? pmap[rtkey] : nil
end
def resource_matching_provider(platform, version, resource_type)
if resource_type.kind_of?(Chef::Resource)
begin
Chef::Provider.const_get(resource_type.class.to_s.split('::').last)
rescue NameError
nil
end
else
nil
end
end
end
end
end