Created
September 15, 2016 22:08
-
-
Save adbertram/ae671df96d28d79e3384ae173c579a43 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
$ErrorActionPreference = "Stop" | |
try | |
{ | |
$passedArgs = Parse-Args $args | |
$definedParams = @( | |
@{ Name = 'Address'; Mandatory = $true } | |
@{ Name = 'InterfaceAlias'; Mandatory = $true } | |
@{ Name = 'State'; Mandatory = $true } | |
@{ Name = 'AddressFamily'; Mandatory = $false } | |
) | |
$params = @() | |
foreach ($param in $definedParams) { | |
$getParams = @{ | |
obj = $passedArgs | |
name = $param.Name | |
FailIfEmpty = $true | |
} | |
if ($param.Mandatory) | |
{ | |
$getParams.emptyattributefailmessage = "The required parameter [$($param.Name)] was not used." | |
} | |
else | |
{ | |
$getParams.emptyattributefailmessage = "The parameter [$($param.Name)] was empty." | |
} | |
Set-Variable -Name $param.Name -Value (Get-AnsibleParam @getParams) | |
} | |
$result = [pscustomobject]@{ changed = $false } | |
$clientParams = @{ | |
'AddressFamily' = $AddressFamily | |
'InterfaceAlias' = $InterfaceAlias | |
'ErrorAction' = 'Ignore' | |
} | |
## Ensure we can find the network adapter | |
if (-not ($dnsClientServerAddresses = Get-DnsClientServerAddress @clientParams)) | |
{ | |
$aliases = (Get-DnsClientServerAddress).InterfaceAlias | |
throw "Could not find network adapter with interface alias [$InterfaceAlias]. Possible aliases are [$($aliases -join ',')]" | |
} | |
if (@($dnsClientServerAddresses.ServerAddresses).Count -lt @($Address).Count) | |
{ | |
Write-Verbose -Message 'One or more servers missing on the node.' | |
$result.changed = $true | |
} | |
elseif (@($dnsClientServerAddresses.ServerAddresses).Count -gt @($Address).Count) | |
{ | |
Write-Verbose -Message 'Too many servers defined on the node.' | |
$result.changed = $true | |
} | |
else | |
{ | |
$compParams = @{ | |
'ReferenceObject' = $dnsClientServerAddresses.ServerAddresses | |
'DifferenceObject' = $Address | |
'SyncWindow' = 0 | |
} | |
if ($compare = Compare-Object @compParams) | |
{ | |
Write-Verbose -Message 'The DNS server search order does not match.' | |
$result.changed = $true | |
} | |
} | |
if ($result.Changed) | |
{ | |
Set-DnsClientServerAddress -InterfaceAlias $InterfaceAlias -ServerAddresses $Address | |
} | |
else | |
{ | |
Write-Verbose -Message "The DNS server addresses are correct." | |
} | |
} | |
catch | |
{ | |
Fail-Json ([pscustomobject]) $_.Exception.Message | |
} | |
finally | |
{ | |
Exit-Json $result | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment