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Subject:	RE: Python Collector Datasource with SSH
Author:	Peter
Posted:	2020-08-21 06:12

Hi Michael

I took a look at the OpenStack ZenPack, but it looks like a different SSH client is being leveraged. Looking on GitHub I can see that there is an ssh.py, which in turn loads an SSH client from an sshclient module. The only one I could find was in the lib directory, but that's empty. So it's not clear what it actually uses. It makes mention of the "platform" SSH, but I have no idea what that is or where it would be on a Zenoss install...

I also notice they import SSHClient and not SshClient. The signature is also different when creating a new instance:

OpenStack version:

client = SSHClient({ 'hostname': manageIp, 'port': device.zCommandPort, 'user': device.zCommandUsername, 'password': device.zCommandPassword, 'identities': [device.zKeyPath], 'buffersize': 32768})​

Whereas the Products.DataCollector.SshClient has separate keyword arguments (and doesn't accept a dict):

class SshClient(CollectorClient.CollectorClient):
    """
    SSH Collector class to connect to a particular device
    """
    def __init__( self, hostname, ip, port=22, plugins=[], options=None, device=None, datacollector=None, isLoseConnection=False, )​

If you can find a ZenPack that uses SshClient that would be useful. I think there's enough to go on to give things a try, but was hoping to see a working example and save myself some effort!


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Peter Spain
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Subject:	RE: Python Collector Datasource with SSH
Author:	Peter
Posted:	2020-08-27 05:20

Hi Jane

I didn't notice that in the Dev Guide before (I refer to your guide a lot at times). 

I have solved the issue by using the txsshclient module from Zenoss. However, I will bear the overall approach you took in mind for the future.

Thanks!

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Peter Spain
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