Added windows_path resource

Signed-off-by: nimisha <nimisha.sharad@clogeny.com>

4 files changed, 105 insertions, 0 deletions

diff --git a/lib/chef/provider/windows_path.rb b/lib/chef/provider/windows_path.rb
new file mode 100644
index 0000000000..d52baa2e7a
--- /dev/null
+++ b/lib/chef/provider/windows_path.rb
@@ -0,0 +1,62 @@
+#
+# Author:: Nimisha Sharad (<nimisha.sharad@msystechnologies.com>)
+# Copyright:: Copyright 2008-2016, Chef Software 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 "Win32API" if Chef::Platform.windows?
+require "chef/exceptions"
+
+class Chef
+  class Provider
+    class WindowsPath < Chef::Provider
+      ExpandEnvironmentStrings = Win32API.new("kernel32", "ExpandEnvironmentStrings", %w{ P P L }, "L") if Chef::Platform.windows? && !defined?(ExpandEnvironmentStrings)
+
+      def load_current_resource
+        @current_resource = Chef::Resource::WindowsPath.new(new_resource.name)
+        @current_resource.path(new_resource.path)
+        @current_resource
+      end
+
+      def action_add
+        declare_resource(:env, "path") do
+          action :modify
+          delim ::File::PATH_SEPARATOR
+          value new_resource.path.tr("/", '\\')
+        end
+        ENV["PATH"] = expand_env_vars(ENV["PATH"])
+      end
+
+      def action_remove
+        declare_resource(:env, "path") do
+          action :delete
+          delim ::File::PATH_SEPARATOR
+          value new_resource.path.tr("/", '\\')
+        end
+      end
+
+      # Expands the environment variables
+      def expand_env_vars(path)
+        # We pick 32k because that is the largest it could be:
+        # http://msdn.microsoft.com/en-us/library/windows/desktop/ms724265%28v=vs.85%29.aspx
+        buf = 0.chr * 32 * 1024 # 32k
+        if Chef::Provider::WindowsPath::ExpandEnvironmentStrings.call(path.dup, buf, buf.length) == 0
+          raise Chef::Exceptions::Win32APIError, "Failed calling ExpandEnvironmentStrings (received 0)"
+        end
+        buf.strip
+      end
+    end
+  end
+end
diff --git a/lib/chef/providers.rb b/lib/chef/providers.rb
index e5b39c4e3c..a3332477e7 100644
--- a/lib/chef/providers.rb
+++ b/lib/chef/providers.rb
@@ -61,6 +61,7 @@ require "chef/provider/whyrun_safe_ruby_block"
 require "chef/provider/yum_repository"
 require "chef/provider/windows_task"
 require "chef/provider/zypper_repository"
+require "chef/provider/windows_path"
 
 require "chef/provider/env/windows"
 
diff --git a/lib/chef/resource/windows_path.rb b/lib/chef/resource/windows_path.rb
new file mode 100644
index 0000000000..fb47ec6791
--- /dev/null
+++ b/lib/chef/resource/windows_path.rb
@@ -0,0 +1,41 @@
+#
+# Author:: Nimisha Sharad (<nimisha.sharad@msystechnologies.com>)
+# Copyright:: Copyright 2008-2017, Chef Software 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/resource"
+
+class Chef
+  class Resource
+    class WindowsPath < Chef::Resource
+
+      provides :windows_path, os: "windows"
+
+      allowed_actions :add, :remove
+      default_action :add
+
+      def initialize(name, run_context = nil)
+        super
+        @resource_name = :windows_path
+        @task_name = name
+        @provider = Chef::Provider::WindowsPath
+        @action = :add
+      end
+
+      property :path, String, name_property: true
+    end
+  end
+end
diff --git a/lib/chef/resources.rb b/lib/chef/resources.rb
index a1f4f8ac0b..54d21fd53c 100644
--- a/lib/chef/resources.rb
+++ b/lib/chef/resources.rb
@@ -101,3 +101,4 @@ require "chef/resource/cab_package"
 require "chef/resource/powershell_package"
 require "chef/resource/msu_package"
 require "chef/resource/windows_task"
+require "chef/resource/windows_path"