1 files changed, 138 insertions, 0 deletions
diff --git a/lib/ansible/module_utils/powershell.ps1 b/lib/ansible/module_utils/powershell.ps1
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+++ b/lib/ansible/module_utils/powershell.ps1
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+
+# This particular file snippet, and this file snippet only, is BSD licensed.
+# Modules you write using this snippet, which is embedded dynamically by Ansible
+# still belong to the author of the module, and may assign their own license
+# to the complete work.
+#
+# Copyright (c), Michael DeHaan <michael.dehaan@gmail.com>, 2014, and others
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+#    * Redistributions of source code must retain the above copyright
+#      notice, this list of conditions and the following disclaimer.
+#    * Redistributions in binary form must reproduce the above copyright notice,
+#      this list of conditions and the following disclaimer in the documentation
+#      and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+# IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+# USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+# Helper function to parse Ansible JSON arguments from a file passed as
+# the single argument to the module
+# Example: $params = Parse-Args $args
+Function Parse-Args($arguments)
+{
+    $parameters = New-Object psobject;
+    If ($arguments.Length -gt 0)
+    {
+        $parameters = Get-Content $arguments[0] | ConvertFrom-Json;
+    }
+    $parameters;
+}
+
+# Helper function to set an "attribute" on a psobject instance in powershell.
+# This is a convenience to make adding Members to the object easier and
+# slightly more pythonic
+# Example: Set-Attr $result "changed" $true
+Function Set-Attr($obj, $name, $value)
+{
+    # If the provided $obj is undefined, define one to be nice
+    If (-not $obj.GetType)
+    {
+        $obj = New-Object psobject
+    }
+
+    $obj | Add-Member -Force -MemberType NoteProperty -Name $name -Value $value
+}
+
+# Helper function to get an "attribute" from a psobject instance in powershell.
+# This is a convenience to make getting Members from an object easier and
+# slightly more pythonic
+# Example: $attr = Get-Attr $response "code" -default "1"
+Function Get-Attr($obj, $name, $default = $null)
+{
+    # Check if the provided Member $name exists in $obj and return it or the
+    # default
+    If ($obj.$name.GetType)
+    {
+        $obj.$name
+    }
+    Else
+    {
+        $default
+    }
+    return
+}
+
+# Helper function to convert a powershell object to JSON to echo it, exiting
+# the script
+# Example: Exit-Json $result
+Function Exit-Json($obj)
+{
+    # If the provided $obj is undefined, define one to be nice
+    If (-not $obj.GetType)
+    {
+        $obj = New-Object psobject
+    }
+
+    echo $obj | ConvertTo-Json
+    Exit
+}
+
+# Helper function to add the "msg" property and "failed" property, convert the
+# powershell object to JSON and echo it, exiting the script
+# Example: Fail-Json $result "This is the failure message"
+Function Fail-Json($obj, $message = $null)
+{
+    # If we weren't given 2 args, and the only arg was a string, create a new
+    # psobject and use the arg as the failure message
+    If ($message -eq $null -and $obj.GetType().Name -eq "String")
+    {
+        $message = $obj
+        $obj = New-Object psobject
+    }
+    # If the first args is undefined or not an object, make it an object
+    ElseIf (-not $obj.GetType -or $obj.GetType().Name -ne "PSCustomObject")
+    {
+        $obj = New-Object psobject
+    }
+
+    Set-Attr $obj "msg" $message
+    Set-Attr $obj "failed" $true
+    echo $obj | ConvertTo-Json
+    Exit 1
+}
+
+# Helper filter/pipeline function to convert a value to boolean following current
+# Ansible practices
+# Example: $is_true = "true" | ConvertTo-Bool
+Function ConvertTo-Bool
+{
+    param(
+        [parameter(valuefrompipeline=$true)]
+        $obj
+    )
+
+    $boolean_strings = "yes", "on", "1", "true", 1
+    $obj_string = [string]$obj
+
+    if (($obj.GetType().Name -eq "Boolean" -and $obj) -or $boolean_strings -contains $obj_string.ToLower())
+    {
+        $true
+    }
+    Else
+    {
+        $false
+    }
+    return
+}