通过 paramiko 运行 msi 安装程序并等待任务完成

Question

I'm facing on some troubles here.

The wish
a python script that can update a third party software on all my factory machines.

How i'm doing that
I wrote a python script that's using Paramiko to ssh all the computers, copying required files and running .msi package on any succesfull connection.

The problem
Well, i'm not finding any way or method in order to wait msi process to be over and getting back any exit code. I need to wait until installation is over and obtain a return code beacuse i need to copy hotfix files in x86 program installation directroy.
So, i tried the followings:

stdin, stdout, stderr = self.client.exec_command("msiexec.exe /a msi_file_name.msi /qn")

stdin, stdout, stderr = self.client.exec_command("start /wait msiexec.exe /a msi_file_name.msi /qn")

stdin, stdout, stderr = self.client.exec_command("msi_file_name.msi /qn")

but noone of the above seems to wait for the installation to be over.

My question to you guys
I'm wondering if there's any way to run a msi and make the shell wait for the task to be over. It will be fine both way, via python or via exec_command, using some cmd workaround.

Thanks,
Hele

Answer 1

This is not a Paramiko, nor even a Python question. That is a consequence of the /qn switch. With the switch, the top-level msiexec process delegates installation to a hidden subprocess and terminates itself immediately.

Consider using /qb or /qb! or similar, instead.

See msiexec command-line options .

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Copied from a similar question on Inno Setup:
Inno Setup AfterInstall procedure is executed too early, when installing MSI from Run section with /qn (silent) switch