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#!powershell
# Copyright: (c) 2017, Ansible Project
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
#Requires -Module Ansible.ModuleUtils.Legacy
#Requires -Module Ansible.ModuleUtils.CommandUtil
#Requires -Module Ansible.ModuleUtils.FileUtil
# TODO: add check mode support
Set-StrictMode -Version 2
$ErrorActionPreference = "Stop"
# Cleanse CLIXML from stderr (sift out error stream data, discard others for now)
Function Cleanse-Stderr($raw_stderr) {
Try {
# NB: this regex isn't perfect, but is decent at finding CLIXML amongst other stderr noise
If($raw_stderr -match "(?s)(?<prenoise1>.*)#< CLIXML(?<prenoise2>.*)(?<clixml><Objs.+</Objs>)(?<postnoise>.*)") {
$clixml = [xml]$matches["clixml"]
$merged_stderr = "{0}{1}{2}{3}" -f @(
$matches["prenoise1"],
$matches["prenoise2"],
# filter out just the Error-tagged strings for now, and zap embedded CRLF chars
($clixml.Objs.ChildNodes | Where-Object { $_.Name -eq 'S' } | Where-Object { $_.S -eq 'Error' } | ForEach-Object { $_.'#text'.Replace('_x000D__x000A_','') } | Out-String),
$matches["postnoise"]) | Out-String
return $merged_stderr.Trim()
# FUTURE: parse/return other streams
}
Else {
$raw_stderr
}
}
Catch {
"***EXCEPTION PARSING CLIXML: $_***" + $raw_stderr
}
}
$params = Parse-Args $args -supports_check_mode $false
$raw_command_line = Get-AnsibleParam -obj $params -name "_raw_params" -type "str" -failifempty $true
$chdir = Get-AnsibleParam -obj $params -name "chdir" -type "path"
$executable = Get-AnsibleParam -obj $params -name "executable" -type "path"
$creates = Get-AnsibleParam -obj $params -name "creates" -type "path"
$removes = Get-AnsibleParam -obj $params -name "removes" -type "path"
$stdin = Get-AnsibleParam -obj $params -name "stdin" -type "str"
$no_profile = Get-AnsibleParam -obj $params -name "no_profile" -type "bool" -default $false
$output_encoding_override = Get-AnsibleParam -obj $params -name "output_encoding_override" -type "str"
$raw_command_line = $raw_command_line.Trim()
$result = @{
changed = $true
cmd = $raw_command_line
}
if ($creates -and $(Test-AnsiblePath -Path $creates)) {
Exit-Json @{msg="skipped, since $creates exists";cmd=$raw_command_line;changed=$false;skipped=$true;rc=0}
}
if ($removes -and -not $(Test-AnsiblePath -Path $removes)) {
Exit-Json @{msg="skipped, since $removes does not exist";cmd=$raw_command_line;changed=$false;skipped=$true;rc=0}
}
$exec_args = $null
If(-not $executable -or $executable -eq "powershell") {
$exec_application = "powershell.exe"
# force input encoding to preamble-free UTF8 so PS sub-processes (eg, Start-Job) don't blow up
$raw_command_line = "[Console]::InputEncoding = New-Object Text.UTF8Encoding `$false; " + $raw_command_line
# Base64 encode the command so we don't have to worry about the various levels of escaping
$encoded_command = [Convert]::ToBase64String([System.Text.Encoding]::Unicode.GetBytes($raw_command_line))
if ($stdin) {
$exec_args = "-encodedcommand $encoded_command"
} else {
$exec_args = "-noninteractive -encodedcommand $encoded_command"
}
if ($no_profile) {
$exec_args = "-noprofile $exec_args"
}
}
Else {
# FUTURE: support arg translation from executable (or executable_args?) to process arguments for arbitrary interpreter?
$exec_application = $executable
if (-not ($exec_application.EndsWith(".exe"))) {
$exec_application = "$($exec_application).exe"
}
$exec_args = "/c $raw_command_line"
}
$command = "`"$exec_application`" $exec_args"
$run_command_arg = @{
command = $command
}
if ($chdir) {
$run_command_arg['working_directory'] = $chdir
}
if ($stdin) {
$run_command_arg['stdin'] = $stdin
}
if ($output_encoding_override) {
$run_command_arg['output_encoding_override'] = $output_encoding_override
}
$start_datetime = [DateTime]::UtcNow
try {
$command_result = Run-Command @run_command_arg
} catch {
$result.changed = $false
try {
$result.rc = $_.Exception.NativeErrorCode
} catch {
$result.rc = 2
}
Fail-Json -obj $result -message $_.Exception.Message
}
# TODO: decode CLIXML stderr output (and other streams?)
$result.stdout = $command_result.stdout
$result.stderr = Cleanse-Stderr $command_result.stderr
$result.rc = $command_result.rc
$end_datetime = [DateTime]::UtcNow
$result.start = $start_datetime.ToString("yyyy-MM-dd hh:mm:ss.ffffff")
$result.end = $end_datetime.ToString("yyyy-MM-dd hh:mm:ss.ffffff")
$result.delta = $($end_datetime - $start_datetime).ToString("h\:mm\:ss\.ffffff")
If ($result.rc -ne 0) {
Fail-Json -obj $result -message "non-zero return code"
}
Exit-Json $result
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