Public/WebConnection.ps1
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<#
.Synopsis Tests to see if a Uri by Invoke-WebRequest -Method Head .Description Tests to see if a Uri by Invoke-WebRequest -Method Head .Link https://osd.osdeploy.com/module/functions/webconnection #> function Test-WebConnection { [CmdletBinding()] param ( [Parameter(ValueFromPipeline)] # Uri to test [System.Uri] $Uri = 'google.com' ) $Params = @{ Method = 'Head' Uri = $Uri UseBasicParsing = $true Headers = @{'Cache-Control'='no-cache'} } try { Write-Verbose "Test-WebConnection OK: $Uri" Invoke-WebRequest @Params | Out-Null $true } catch { Write-Verbose "Test-WebConnection FAIL: $Uri" $false } finally { $Error.Clear() } } <# .Synopsis Waits for an internet connection to the specified Uri .Description Waits for an internet connection to the specified Uri .Link https://osd.osdeploy.com/module/functions/webconnection #> function Wait-WebConnection { [CmdletBinding()] param ( [Parameter(ValueFromPipeline)] # Waits for a valid connection to a Uri [System.Uri] $Uri = 'powershellgallery.com' ) if ((Test-WebConnection -Uri "$Uri") -eq $true) { Write-Verbose "Wait-WebConnection to $Uri" } else { Write-Verbose "Wait-WebConnection to $Uri" do { Write-Verbose "Waiting 10 seconds to try again ..." Start-Sleep -Seconds 10 } until ((Test-WebConnection -Uri 'powershellgallery.com') -eq $true) } $Error.Clear() } |