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powershell - PowerShell模块未按预期提供点源/导入功能

更新1:
最初，我将其发布为标题:“脚本忽略PowerShell模块中的错误处理”，因为这是当前问题，但是似乎更多的是模块问题，因此我重命名了标题。

更新2:
经过一段让我质疑Azure cmdlet的评论之后，我已经测试了最基本的脚本(添加到模块中)，结果是相同的，因为错误没有传递给调用脚本，但是，将-errorVariable添加到Get-Service确实返回了我可能在处理错误时可以利用的东西(而不是WriteErrorException):

function Test-MyError($Variable)
{
    Try
    {
        Get-Service -Name $variable -ErrorAction Stop -ErrorVariable bar
        #Get-AzureRmSubscription -SubscriptionName $variable -ErrorAction Stop
    }
    Catch
    {
        Write-Error $error[0]
        $bar
    }
}

返回:
Test-MyError "Foo"

Test-MyError : Exception of type 'Microsoft.PowerShell.Commands.WriteErrorException' was thrown.
At line:3 char:1
+ Test-MyError "Foo"
+ ~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (:) [Write-Error], WriteErrorException
    + FullyQualifiedErrorId : Microsoft.PowerShell.Commands.WriteErrorException,Test-MyError

The running command stopped because the preference variable "ErrorActionPreference" or common parameter is set to Stop: Cannot find any service with service name 'foo'.

但是，如果我在ISE中运行“Test-MyError”，然后调用该函数，则会得到:
Test-MyError "Foo"

Test-MyError : Cannot find any service with service name 'Foo'.
At line:3 char:1
+ Test-MyError "Foo"
+ ~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (:) [Write-Error], WriteErrorException
    + FullyQualifiedErrorId : Microsoft.PowerShell.Commands.WriteErrorException,Test-MyError

The running command stopped because the preference variable "ErrorActionPreference" or common parameter is set to Stop: Cannot find any service with service name 'Foo'.

因此，我不确定在ISE中运行“Test-MyError”并对其进行调用，以防它在PSM1文件中被点源化然后再调用它时会发生什么情况？

我现在是否必须使用-ErrorVariable并对此进行处理？

原始问题:
我在模块中有两个功能:Get-Subscription和Get-AllSubscriptions。每个功能都位于其自己的PS1文件中，而PSM1文件是它们的点源。该模块看起来不错，因为可以使用intelisense访问模块脚本，并且模块加载没有问题。我已经在许多模块中使用了这种结构，并且之前没有遇到过这个问题。 (尽管我想知道MS是否已更改了模块在PS 5.1中的工作方式，正如我已经注意到使用FunctionsToExport='x','y','Z'和Export-ModuleMember似乎不像以前那样。)

Get-AllSubscriptions调用Get-Subscription。

如果我没有登录Azure，则Get-Subscription会抛出一个已处理的错误，提示我登录。如果我从Get-Subscription.ps1调用Get-Subscription，这将按预期工作。

但是，当我从新的PS1文件Get-AllSubscriptions或从Powershell控制台调用Get-Subscription时，它不起作用。它一直遍历do..until循环，而不会像我期望的那样“处理”错误。在每次迭代中，似乎都抛出一个通用错误:
Get-Subscription : Exception of type 'Microsoft.PowerShell.Commands.WriteErrorException' was thrown.

但是，我确实看到了最后一个错误Get-Subscription : Unable to find requested subscription after 3 login attempts.
如果我在ISE中执行Get-Subscription，然后在新的PS1文件中或从Get-AllSubscriptions中调用Get-Subscription，则它可以按预期工作，但是，一旦我重新导入模块(Import-Module AzureVnetTools -Force -Verbose)，它就会返回错误的行为。

如果我在调用者脚本中点源Get-Subscription，它可以工作，但是为什么呢？这就是模块的PSM1应该发生的情况。

有人可以帮我弄清楚我在做什么错吗？

(PS 5.1，Windows 7)

获取订阅:
function Get-Subscription
{
    [cmdletbinding()]
    Param
    (
        [string]$SubscriptionName,
        [string]$UserName,
        [string]$code
    )

    $c=1
    Write-Verbose "Checking access to '$SubscriptionName' with user '$UserName'..."
    Do
    {
        Write-Verbose "Attempt $c"
        Try
        {
            $oSubscription = Get-AzureRmSubscription -SubscriptionName $SubscriptionName -ErrorAction Stop -WarningAction SilentlyContinue

            Write-Verbose "Subscription found: $($oSubscription.SubscriptionName)."
        }
        Catch
        {
            if($error[0].Exception.Message -like "*Please verify that the subscription exists in this tenant*")
            {
                Write-Verbose "Cannot find subscription '$SubscriptionName' with provided credentials."
                $account = Login-AzureRmAccount -Credential (Get-Credential -UserName $Username -Message "Subscription '$SubscriptionName' user' password:")
            }
            elseif($error[0].Exception.Message -like "*Run Login-AzureRmAccount to login*")
            {
                Write-Verbose "No logged in session found. Please log in."
                $account = Login-AzureRmAccount -Credential (Get-Credential -UserName $Username -Message "Subscription '$SubscriptionName' user' password:")
            }
            else
            {
                Write-Error $error[0]
            }
        }
        $c++
    }
    until(($oSubscription) -or ($c -eq 4))

    if($c -eq 4)
    {
        Write-Error "Unable to find requested subscription after $($c-1) login attempts."
        break
    }
    $oSubscription | Add-Member -MemberType NoteProperty -Name Code -Value $code
    $oSubscription
}

获取所有订阅:
function Get-AllSubscriptions
{
    [cmdletbinding()]
    param
    (
        [string]$MasterSubscription,
        [string]$MasterSubscriptionCode,
        [string]$MasterSubscriptionUsername,
        [string]$ChildSubscription,
        [string]$ChildSubscriptionCode,
        [string]$ChildSubscriptionUsername
    )

    Write-Verbose "Getting all subscriptions..."

    $oAllSubscriptions = @()

    $oMasterSubscription = Get-Subscription -SubscriptionName $MasterSubscription -UserName $MasterSubscriptionUsername -code $MasterSubscriptionCode -Verbose

    $oChildSubscription = Get-Subscription -SubscriptionName $ChildSubscription -UserName $ChildSubscriptionUsername -code $ChildSubscriptionCode -Verbose

    $oAllSubscriptions = ($oMasterSubscription,$oChildSubscription)
    $oAllSubscriptions

}

测试:
$splat2 = @{
    SubscriptionName = "SomeSubscription"
    Code = "S02"
    Username = "[email protected]"
}

#Write-Output "Dot-source:"
#. "D:\Temp\PS.Modules\AzureVnetTools\functions\public\Get-Subscription.ps1"

Get-Subscription @splat2 -verbose

输出:
Get-Subscription @splat2 -verbose
VERBOSE: Checking access to 'SomeSubscription' with user '[email protected]'...
VERBOSE: Attempt 1
Get-Subscription : Exception of type 'Microsoft.PowerShell.Commands.WriteErrorException' was thrown.
At line:7 char:1
+ Get-Subscription @splat2 -verbose
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (:) [Write-Error], WriteErrorException
    + FullyQualifiedErrorId : Microsoft.PowerShell.Commands.WriteErrorException,Get-Subscription

VERBOSE: Attempt 2
Get-Subscription : Exception of type 'Microsoft.PowerShell.Commands.WriteErrorException' was thrown.
At line:7 char:1
+ Get-Subscription @splat2 -verbose
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (:) [Write-Error], WriteErrorException
    + FullyQualifiedErrorId : Microsoft.PowerShell.Commands.WriteErrorException,Get-Subscription

VERBOSE: Attempt 3
Get-Subscription : Exception of type 'Microsoft.PowerShell.Commands.WriteErrorException' was thrown.
At line:7 char:1
+ Get-Subscription @splat2 -verbose
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (:) [Write-Error], WriteErrorException
    + FullyQualifiedErrorId : Microsoft.PowerShell.Commands.WriteErrorException,Get-Subscription

Get-Subscription : Unable to find requested subscription after 3 login attempts.
At line:7 char:1
+ Get-Subscription @splat2 -verbose
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (:) [Write-Error], WriteErrorException
    + FullyQualifiedErrorId : Microsoft.PowerShell.Commands.WriteErrorException,Get-Subscription

AzureVnetTools.psm1 
#Get public and private function definition files.
$Public  = @( Get-ChildItem -Path $PSScriptRoot\Functions\Public\*.ps1 -ErrorAction SilentlyContinue )
$Private = @( Get-ChildItem -Path $PSScriptRoot\Functions\Private\*.ps1 -ErrorAction SilentlyContinue )

#Dot source the files
Foreach($import in @($Public + $Private))
{
    #write-error $import.fullname
    Try
    {
        #Write-Host "Dot-sourcing file: $($import.fullname)."
        . $import.fullname
    }
    Catch
    {
        Write-Error -Message "Failed to import function $($import.fullname): $_"
    }
}

Export-ModuleMember -Function $Public.Basename

AzureVnetTools.psd1(相关部分):
FunctionsToExport = '*'

最佳答案 

-ErrorAction Stop -WarningAction SilentlyContinue

这是警告而不是错误吗？

关于powershell - PowerShell模块未按预期提供点源/导入功能，我们在Stack Overflow上找到一个类似的问题：https://stackoverflow.com/questions/44970992/

10-14 06:59
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