Base ready

ops/cookbooks/vendor/windows/libraries/version_helper.rb

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+#
+# Cookbook:: windows
+# Library:: version_helper
+# Author:: Baptiste Courtois (<b.courtois@criteo.com>)
+#
+# Copyright:: 2015-2017, Criteo
+#
+# 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.
+#
+module Windows
+  # Module based on windows ohai kernel.cs_info providing version helpers
+  module VersionHelper
+    # Module referencing CORE SKU contants from product type
+    # see. https://msdn.microsoft.com/windows/desktop/ms724358#PRODUCT_DATACENTER_SERVER_CORE
+    # n.b. Prefix - PRODUCT_ - and suffix - _CORE- have been removed
+    module CoreSKU
+      # Server Datacenter Core
+      DATACENTER_SERVER   = 0x0C unless constants.include?(:DATACENTER_SERVER)
+      # Server Datacenter without Hyper-V Core
+      DATACENTER_SERVER_V = 0x27 unless constants.include?(:DATACENTER_SERVER_V)
+      # Server Enterprise Core
+      ENTERPRISE_SERVER   = 0x0E unless constants.include?(:ENTERPRISE_SERVER)
+      # Server Enterprise without Hyper-V Core
+      ENTERPRISE_SERVER_V = 0x29 unless constants.include?(:ENTERPRISE_SERVER_V)
+      # Server Standard Core
+      STANDARD_SERVER     = 0x0D unless constants.include?(:STANDARD_SERVER)
+      # Server Standard without Hyper-V Core
+      STANDARD_SERVER_V   = 0x28 unless constants.include?(:STANDARD_SERVER_V)
+      # Small Business Server Premium Core
+      PRODUCT_SMALLBUSINESS_SERVER_PREMIUM_CORE = 0x3F unless constants.include?(:PRODUCT_SMALLBUSINESS_SERVER_PREMIUM_CORE)
+      # Server Solutions Premium Core
+      STANDARD_SERVER_SOLUTIONS = 0x35 unless constants.include?(:STANDARD_SERVER_SOLUTIONS)
+      # Storage Server Enterprise Core
+      STORAGE_ENTERPRISE_SERVER = 0x2E unless constants.include?(:STORAGE_ENTERPRISE_SERVER)
+      # Storage Server Express Core
+      STORAGE_EXPRESS_SERVER = 0x2B unless constants.include?(:STORAGE_EXPRESS_SERVER)
+      # Storage Server Standard Core
+      STORAGE_STANDARD_SERVER = 0x2C unless constants.include?(:STORAGE_STANDARD_SERVER)
+      # Storage Server Workgroup Core
+      STORAGE_WORKGROUP_SERVER = 0x2D unless constants.include?(:STORAGE_WORKGROUP_SERVER)
+      # Web Server Core
+      WEB_SERVER = 0x1D unless constants.include?(:WEB_SERVER)
+    end
+
+    # Module referencing product type contants
+    # see. https://msdn.microsoft.com/windows/desktop/ms724833#VER_NT_SERVER
+    # n.b. Prefix - VER_NT_ - has been removed
+    module ProductType
+      WORKSTATION         = 0x1 unless constants.include?(:WORKSTATION)
+      DOMAIN_CONTROLLER   = 0x2 unless constants.include?(:DOMAIN_CONTROLLER)
+      SERVER              = 0x3 unless constants.include?(:SERVER)
+    end
+
+    # Determines whether current node is running a windows Core version
+    def self.core_version?(node)
+      validate_platform node
+
+      CoreSKU.constants.any? { |c| CoreSKU.const_get(c) == node['kernel']['os_info']['operating_system_sku'] }
+    end
+
+    # Determines whether current node is a workstation version
+    def self.workstation_version?(node)
+      validate_platform node
+      node['kernel']['os_info']['product_type'] == ProductType::WORKSTATION
+    end
+
+    # Determines whether current node is a server version
+    def self.server_version?(node)
+      !workstation_version?(node)
+    end
+
+    # Determines NT version of the current node
+    def self.nt_version(node)
+      validate_platform node
+
+      node['platform_version'].to_f
+    end
+
+    def self.validate_platform(node)
+      raise 'Windows helper are only supported on windows platform!' unless node['platform'] == 'windows'
+    end
+  end
+end