Add prelim version of win_feature module (for installing packages, roles, features, etc)

library/windows/win_feature.ps1

+#!powershell
+# This file is part of Ansible.
+#
+# Copyright 2014, Paul Durivage <paul.durivage@rackspace.com>
+#
+# Ansible is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Ansible is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
+
+# WANT_JSON
+# POWERSHELL_COMMON
+
+Import-Module Servermanager;
+
+$params = Parse-Args $args;
+
+$result = New-Object psobject @{
+    win_feature = New-Object psobject
+    changed = $false
+}
+
+If ($params.name) {
+    $name = $params.name
+}
+Else {
+    Fail-Json $result "mising required argument: name"
+}
+
+If ($params.state) {
+    $state = $params.state.ToString().ToLower()
+    If (!($state -eq 'present') -or ($state -eq 'absent')) {
+        Fail-Json $result "state must be 'present' or 'absent'"
+    }
+}
+
+If ($state -eq "present") {
+    try {
+        $result = Add-WindowsFeature -Name $name
+    }
+    catch {
+        Fail-Json $_.Exception.Message
+    }
+}
+Elseif ($state -eq "absent") {
+    try {
+        $result = Remove-WindowsFeature -Name $name
+    }
+    catch {
+        Fail-Json $_.Exception.Message
+    }
+}
+
+$feature_results = @()
+ForEach ($item in $result.FeatureResult) {
+    $feature_results += New-Object psobject @{
+        id = $item.id.ToString()
+        message = $item.Message.ToString()
+        restart_needed = $item.RestartNeeded.ToString()
+        skip_reason = $item.SkipReason.ToString()
+        success = $item.Success
+    }
+}
+Set-Attr $result.win_feature "feature_result" $feature_results
+Set-Attr $result.win_feature "success" result.Success
+Set-Attr $result.win_feature "exitcode" result.ExitCode.ToString()
+Set-Attr $result.win_feature "restart_needed" result.RestartNeeded.ToString()
+
+Exit-Json $result;