我编写了一段代码(在C#中),使用System.Management.Automation
执行Powershell脚本(特别是Azure PowerShell)。 powershell脚本基本上在Azure上的容器中上传vhd,当通过azure Powershell手动输入命令时,该容器显示上载进度和经过的时间等。通过代码一切正常但我想在命令执行期间(即pipeline.invoke();
)得到命令的结果/输出(即上传进度,已用时间),这里是代码:
RunspaceConfiguration runspaceConfiguration = RunspaceConfiguration.Create();
Runspace runspace = RunspaceFactory.CreateRunspace(runspaceConfiguration);
runspace.Open();
RunspaceInvoke scriptInvoker = new RunspaceInvoke(runspace);
Pipeline pipeline = runspace.CreatePipeline();
Command myCommand = new Command(scriptPath);
foreach (var argument in arguments)
{
myCommand.Parameters.Add(new CommandParameter(argument.Key, argument.Value));
}
pipeline.Commands.Add(myCommand);
var results = pipeline.Invoke(); // i want to get results here (i.e. during command execution)
foreach (var psObject in results)
{
System.Diagnostics.Debug.Write(psObject.BaseObject.ToString());
}
请指导是否可以从Powershell检索实时输出。
答案 0 :(得分:17)
除非您定位PowerShell 1.0,否则无需手动设置您的运行空间和管道,而是创建PowerShell
class的实例:
PowerShell psinstance = PowerShell.Create();
psinstance.AddScript(scriptPath);
var results = psinstance.Invoke();
方式更简单。
现在,PowerShell
类通过Streams
property公开了各种非标准输出流(详细,调试,错误等) - 包括进度流 - 所以你可以订阅它,比如这样:
psinstance.Streams.Progress.DataAdded += myProgressEventHandler;
然后在你的事件处理程序中:
static void myProgressEventHandler(object sender, DataAddedEventArgs e)
{
ProgressRecord newRecord = ((PSDataCollection<ProgressRecord>)sender)[e.Index];
if (newRecord.PercentComplete != -1)
{
Console.Clear();
Console.WriteLine("Progress updated: {0}", newRecord.PercentComplete);
}
}
作为一个例子,这里是上面显示的事件处理程序,同时运行一个示例脚本,在一个简单的控制台应用程序中写入进度信息(下面发布的示例脚本):
function Test-Progress
{
param()
Write-Progress -Activity 'Testing progress' -Status 'Starting' -PercentComplete 0
Start-Sleep -Milliseconds 600
1..10 |ForEach-Object{
Write-Progress -Activity "Testing progress" -Status 'Progressing' -PercentComplete $(5 + 6.87 * $_)
Start-Sleep -Milliseconds 400
}
Write-Progress -Activity 'Testing progress' -Status 'Ending' -PercentComplete 99
Start-Sleep -Seconds 2
Write-Progress -Activity 'Testing progress' -Status 'Done' -Completed
}
Test-Progress