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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.
#
# Ansible v2 will insert the module arguments below as a string containing
# JSON; assign them to an environment variable and redefine $args so existing
# modules will continue to work.
$complex_args = @'
<<INCLUDE_ANSIBLE_MODULE_WINDOWS_ARGS>>
'@
Set-Content env:MODULE_COMPLEX_ARGS -Value $complex_args
$args = @('env:MODULE_COMPLEX_ARGS')
# 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 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 -Compress -Depth 99
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 -Compress -Depth 99
Exit 1
}
# 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 $response "code" -default "1"
#Note that if you use the failifempty option, you do need to specify resultobject as well.
Function Get-Attr($obj, $name, $default = $null,$resultobj, $failifempty=$false, $emptyattributefailmessage)
{
# Check if the provided Member $name exists in $obj and return it or the
# default
If ($obj.$name.GetType)
{
$obj.$name
}
Elseif($failifempty -eq $false)
{
$default
}
else
{
if (!$emptyattributefailmessage) {$emptyattributefailmessage = "Missing required argument: $name"}
Fail-Json -obj $resultobj -message $emptyattributefailmessage
}
return
}
# 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
}
# 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, $supports_check_mode = $false)
{
$parameters = New-Object psobject
If ($arguments.Length -gt 0)
{
$parameters = Get-Content $arguments[0] | ConvertFrom-Json
}
$check_mode = Get-Attr $parameters "_ansible_check_mode" $false | ConvertTo-Bool
If ($check_mode -and -not $supports_check_mode)
{
$obj = New-Object psobject
Set-Attr $obj "skipped" $true
Set-Attr $obj "changed" $false
Set-Attr $obj "msg" "remote module does not support check mode"
Exit-Json $obj
}
$parameters
}
# Helper function to calculate a hash of a file in a way which powershell 3
# and above can handle:
Function Get-FileChecksum($path)
{
$hash = ""
If (Test-Path -PathType Leaf $path)
{
$sp = new-object -TypeName System.Security.Cryptography.SHA1CryptoServiceProvider;
$fp = [System.IO.File]::Open($path, [System.IO.Filemode]::Open, [System.IO.FileAccess]::Read);
$hash = [System.BitConverter]::ToString($sp.ComputeHash($fp)).Replace("-", "").ToLower();
$fp.Dispose();
}
ElseIf (Test-Path -PathType Container $path)
{
$hash= "3";
}
Else
{
$hash = "1";
}
return $hash
}
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