function Wait-ForNamespaceToDie($namespace) {
	$old_ErrorActionPreference = $ErrorActionPreference
	try {
		$ErrorActionPreference = 'SilentlyContinue'
		$startDate = Get-Date
		do {
			kubectl get namespace $namespace
		} while ($LastExitCode -eq 0 -and $startDate.AddMinutes(5) -gt (Get-Date))
	} finally {
		$ErrorActionPreference = $old_ErrorActionPreference
	}
}

function Kill-AllPodsInNamespace($namespace) {
	# Clean up any existing pods left over from when we deleted the namespace
	$pods = kubectl get pods -o json -n $namespace | `
		ConvertFrom-Json | `
		Select -ExpandProperty items | `
		? {$_.status.phase -eq "Terminating" -or $_.status.phase -eq "Unknown" -or $_.status.reason -eq "NodeLost"}

	if ($pods.Count -ne 0) {
	  # Forcefully kill them
	  $pods | % {kubectl delete pod $_.metadata.name --grace-period=0 --force -n $namespace}
	} else {
		Write-Host "No terminating pods found"
	}
}