Powershell脚本在服务器上工作,但不与cloudformation cfn init函数配合使用

我有一些powershell脚本,可以添加标签并将磁盘驱动器格式化为特定格式。

问题是,当从cloudformation cfn函数调用此powershell脚本时,它会产生类似错误(来自日志)

a-label-format-drives-sql output: At C:\cfn\scripts\Label-and-Format-drives.ps1:44 char:35
+     $ErrorActionPreference = "Stop"
+                                   ~
The string is missing the terminator: ".
At C:\cfn\scripts\Label-and-Format-drives.ps1:36 char:5
+     {
+     ~
Missing closing '}' in statement block.
At C:\cfn\scripts\Label-and-Format-drives.ps1:27 char:19
+   $LablenFormatPs={
+                   ~
Missing closing '}' in statement block.
At C:\cfn\scripts\Label-and-Format-drives.ps1:19 char:5
+ try {
+     ~
Missing closing '}' in statement block.
At C:\cfn\scripts\Label-and-Format-drives.ps1:64 char:1
+ 
The Try statement is missing its Catch or Finally block.
    + CategoryInfo          : ParserError: (:) [], ParseException
    + FullyQualifiedErrorId : TerminatorExpectedAtEndOfString

但是,当同一个脚本直接在同一个windows ec2的powershell控制台中运行时,它运行得非常好。我将这个poweshell脚本上传到s3 bucket中,我将在cloudformation中获取它,并将其保存在ec2实例上。

这是我的完整脚本。 https://gist.github.com/rturam/c969e161b4089ac62d89b8ba5d1d1612