[英]Powershell cmdlet ignores an array parameter
I am trying to use a PowerShell cmdlet to create a resource in Azure cloud:我正在尝试使用 PowerShell cmdlet 在 Azure 云中创建资源:
$Gateway = New-AzApplicationGateway `
-Name $GatewayName `
-ResourceGroupName $ResourceGroupName `
-Location $Location `
-Sku $GatewaySku `
-GatewayIPConfigurations $GatewayIPconfig `
-FrontendIPConfigurations $FrontendIpConfig `
-FrontendPorts $FrontEndPort `
-Probes $HealthProbe `
-BackendAddressPools $PlatformBackendPool, $ApiBackendPool `
-BackendHttpSettingsCollection $PoolSettings `
-Force
This, however, ends with:然而,这以:
cmdlet New-AzApplicationGateway at command pipeline position 1
Supply values for the following parameters:
(Type !? for Help.)
GatewayIPConfigurations[0]:
$GatewayIPconfig.GetType()
yields $GatewayIPconfig.GetType()
产生
IsPublic IsSerial Name BaseType
-------- -------- ---- --------
True False PSApplicationGatewayIPConfiguration Microsoft.Azure.Commands.Network.Models.PSChildResource
and the documentation for the cmdlet states that the signature is并且 cmdlet 的文档指出签名是
New-AzApplicationGateway
...
-GatewayIPConfigurations <PSApplicationGatewayIPConfiguration[]>
...
Is this not the proper way to pass an array argument to a cmdlet?这不是将数组参数传递给 cmdlet 的正确方法吗?
It's just a guess, but do you maybe have a stray space or tab after -Sku $GatewaySku '
?这只是一个猜测,但您是否在
-Sku $GatewaySku '
之后有一个杂散的空间或标签? That might produce exactly the behavior you described.这可能会产生您所描述的行为。 Basically that would be interpreted as:
基本上这将被解释为:
$Gateway = New-AzApplicationGateway `
-Name $GatewayName `
-ResourceGroupName $ResourceGroupName `
-Location $Location `
-Sku $GatewaySku
# (the rest of the arguments will be missing)
It's a common pitfall when using the backtick that way.以这种方式使用反引号时,这是一个常见的陷阱。 It is often recommended not to do it.
通常建议不要这样做。 It's because the backtick is not a continuation but an escape character, so anything after it will be escaped.
这是因为反引号不是延续而是转义字符,所以它后面的任何内容都会被转义。 When using it as you do, it's the line-break that is escaped, so you can put the arguments on separate lines, but if there's other whitespace in-between, this will break.
像您一样使用它时,会转义换行符,因此您可以将参数放在单独的行上,但如果中间有其他空格,则会中断。
Best practice is to write everything in one line, or if there are too many arguments to keep it readable, you can use splatting :最佳做法是将所有内容都写在一行中,或者如果有太多参数无法保持可读性,您可以使用splatting :
$params = @{
Name = $GatewayName
ResourceGroupName = $ResourceGroupName
Location = $Location
Sku = $GatewaySku
GatewayIPConfigurations = $GatewayIPconfig
FrontendIPConfigurations = $FrontendIpConfig
FrontendPorts = $FrontEndPort
Probes = $HealthProbe
BackendAddressPools = $PlatformBackendPool, $ApiBackendPool
BackendHttpSettingsCollection = $PoolSettings
Force = $true
}
$Gateway = New-AzApplicationGateway @params
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