mirror of
https://github.com/ansible-collections/community.general.git
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227 lines
7.6 KiB
PowerShell
227 lines
7.6 KiB
PowerShell
# This particular file snippet, and this file snippet only, is BSD licensed.
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# Modules you write using this snippet, which is embedded dynamically by Ansible
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# still belong to the author of the module, and may assign their own license
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# to the complete work.
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#
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# Copyright (c), Michael DeHaan <michael.dehaan@gmail.com>, 2014, and others
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without modification,
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# are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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# USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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Set-StrictMode -Version 2.0
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# Ansible v2 will insert the module arguments below as a string containing
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# JSON; assign them to an environment variable and redefine $args so existing
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# modules will continue to work.
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$complex_args = @'
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<<INCLUDE_ANSIBLE_MODULE_WINDOWS_ARGS>>
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'@
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Set-Content env:MODULE_COMPLEX_ARGS -Value $complex_args
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$args = @('env:MODULE_COMPLEX_ARGS')
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# Helper function to set an "attribute" on a psobject instance in powershell.
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# This is a convenience to make adding Members to the object easier and
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# slightly more pythonic
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# Example: Set-Attr $result "changed" $true
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Function Set-Attr($obj, $name, $value)
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{
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# If the provided $obj is undefined, define one to be nice
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If (-not $obj.GetType)
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{
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$obj = New-Object psobject
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}
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Try
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{
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$obj.$name = $value
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}
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Catch
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{
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$obj | Add-Member -Force -MemberType NoteProperty -Name $name -Value $value
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}
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}
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# Helper function to convert a powershell object to JSON to echo it, exiting
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# the script
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# Example: Exit-Json $result
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Function Exit-Json($obj)
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{
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# If the provided $obj is undefined, define one to be nice
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If (-not $obj.GetType)
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{
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$obj = New-Object psobject
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}
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echo $obj | ConvertTo-Json -Compress -Depth 99
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Exit
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}
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# Helper function to add the "msg" property and "failed" property, convert the
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# powershell object to JSON and echo it, exiting the script
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# Example: Fail-Json $result "This is the failure message"
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Function Fail-Json($obj, $message = $null)
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{
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# If we weren't given 2 args, and the only arg was a string, create a new
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# psobject and use the arg as the failure message
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If ($message -eq $null -and $obj.GetType().Name -eq "String")
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{
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$message = $obj
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$obj = New-Object psobject
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}
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# If the first args is undefined or not an object, make it an object
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ElseIf (-not $obj -or -not $obj.GetType -or $obj.GetType().Name -ne "PSCustomObject")
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{
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$obj = New-Object psobject
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}
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Set-Attr $obj "msg" $message
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Set-Attr $obj "failed" $true
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echo $obj | ConvertTo-Json -Compress -Depth 99
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Exit 1
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}
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# Helper function to get an "attribute" from a psobject instance in powershell.
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# This is a convenience to make getting Members from an object easier and
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# slightly more pythonic
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# Example: $attr = Get-AnsibleParam $response "code" -default "1"
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#Get-AnsibleParam also supports Parameter validation to save you from coding that manually:
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#Example: Get-AnsibleParam -obj $params -name "State" -default "Present" -ValidateSet "Present","Absent" -resultobj $resultobj -failifempty $true
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#Note that if you use the failifempty option, you do need to specify resultobject as well.
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Function Get-AnsibleParam($obj, $name, $default = $null, $resultobj, $failifempty=$false, $emptyattributefailmessage, $ValidateSet, $ValidateSetErrorMessage)
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{
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# Check if the provided Member $name exists in $obj and return it or the default.
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Try
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{
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If (-not $obj.$name.GetType)
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{
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throw
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}
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if ($ValidateSet)
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{
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if ($ValidateSet -contains ($obj.$name))
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{
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$obj.$name
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}
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Else
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{
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if ($ValidateSetErrorMessage -eq $null)
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{
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#Auto-generated error should be sufficient in most use cases
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$ValidateSetErrorMessage = "Argument $name needs to be one of $($ValidateSet -join ",") but was $($obj.$name)."
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}
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Fail-Json -obj $resultobj -message $ValidateSetErrorMessage
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}
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}
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Else
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{
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$obj.$name
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}
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}
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Catch
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{
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If ($failifempty -eq $false)
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{
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$default
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}
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Else
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{
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If (!$emptyattributefailmessage)
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{
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$emptyattributefailmessage = "Missing required argument: $name"
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}
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Fail-Json -obj $resultobj -message $emptyattributefailmessage
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}
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}
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}
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#Alias Get-attr-->Get-AnsibleParam for backwards compat.
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New-Alias -Name Get-attr -Value Get-AnsibleParam
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# Helper filter/pipeline function to convert a value to boolean following current
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# Ansible practices
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# Example: $is_true = "true" | ConvertTo-Bool
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Function ConvertTo-Bool
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{
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param(
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[parameter(valuefrompipeline=$true)]
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$obj
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)
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$boolean_strings = "yes", "on", "1", "true", 1
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$obj_string = [string]$obj
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if (($obj.GetType().Name -eq "Boolean" -and $obj) -or $boolean_strings -contains $obj_string.ToLower())
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{
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$true
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}
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Else
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{
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$false
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}
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return
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}
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# Helper function to parse Ansible JSON arguments from a "file" passed as
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# the single argument to the module.
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# Example: $params = Parse-Args $args
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Function Parse-Args($arguments, $supports_check_mode = $false)
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{
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$parameters = New-Object psobject
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If ($arguments.Length -gt 0)
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{
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$parameters = Get-Content $arguments[0] | ConvertFrom-Json
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}
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$check_mode = Get-Attr $parameters "_ansible_check_mode" $false | ConvertTo-Bool
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If ($check_mode -and -not $supports_check_mode)
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{
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$obj = New-Object psobject
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Set-Attr $obj "skipped" $true
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Set-Attr $obj "changed" $false
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Set-Attr $obj "msg" "remote module does not support check mode"
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Exit-Json $obj
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}
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$parameters
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}
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# Helper function to calculate a hash of a file in a way which powershell 3
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# and above can handle:
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Function Get-FileChecksum($path)
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{
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$hash = ""
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If (Test-Path -PathType Leaf $path)
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{
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$sp = new-object -TypeName System.Security.Cryptography.SHA1CryptoServiceProvider;
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$fp = [System.IO.File]::Open($path, [System.IO.Filemode]::Open, [System.IO.FileAccess]::Read, [System.IO.FileShare]::ReadWrite);
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$hash = [System.BitConverter]::ToString($sp.ComputeHash($fp)).Replace("-", "").ToLower();
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$fp.Dispose();
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}
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ElseIf (Test-Path -PathType Container $path)
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{
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$hash= "3";
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}
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Else
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{
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$hash = "1";
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}
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return $hash
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}
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