PYEZ - Display set | Match command

I have been trying to run the below commands through below program but they are fetching the whole of config file and not the result of match command . Is match function not supported through PYEZ?

My purpose was to get the set command lines of match RI command, replace set with delete and load to the device.

Please help.

try: log.debug("collecting the router configuration")

    now = datetime.datetime.now()
    datets = str(now.year) + str(now.month) + str(now.day) + "_" + str(now.hour) + str(now.minute) + str(now.second)
    log.debug("timestamp set to " + str(datets))

    if (format == "cnf"):
        cnf = dev.cli("show configuration", warning=False)
        FileName = rtName + "." + datets + ".cnf"
        log.debug("The configuration will be stored in filename as %s", FileName)

        # saving the configuration into a CNF file
        f = open(FileName, 'w+')
        f.write(cnf)
        f.close
        return FileName

    elif (format == "set"):
        cnf = dev.cli("show configuration | display set | match pool-", warning=False)
        FileName = rtName + "." + datets + ".txt"
        log.debug("The configuration will be stored in filename as %s", FileName)
        # saving the configuration into a Text file
        f = open(FileName, 'w+')
        f.write(cnf)
        f.close
        return FileName

    else: # defaults to XML
        cnf = dev.rpc.get_config()
        FileName = rtName + "." + datets + ".xml"
        log.warn("The configuration will be stored in filename as %s", FileName)

        # saving the configuration into a XML file
        f = open(FileName, 'w+')
        f.write(etree.tostring(cnf))
        f.close
        return FileName

except Exception as e:
    log.error("could not collect the router configuration via RPC")
    log.error(e.message)
    return None


# if the execution gets here, the return will be None
return FileName

Solution

As the warning says, the dev.cli() method is for debug purposes only. It does not support any | match modifiers. This is because it's not actually executing the command at the CLI prompt, but sending the <command> RPC over a NETCONF session, and there is a Junos limitation that the <command> RPC doesn't support | match modifiers.

In your case, I suggest you retrieve the configuration using dev.rpc.get_config(). You can specify the filter_xml argument to retrieve a subset of the configuration. http://junos-pyez.readthedocs.io/en/2.1.2/jnpr.junos.html#jnpr.junos.rpcmeta._RpcMetaExec.get_config

For example, to retrieve all [edit routing-instances] configuration in set format you could do:

>>> rsp = dev.rpc.get_config(filter_xml='<routing-instances/>', options={'format':'set'})
>>> print rsp.text

set routing-instances bar instance-type virtual-router
set routing-instances foo instance-type virtual-router

You can only specify a configuration hierarchy using the filter_xml argument. You can not match a specific text pattern. However, you can always download a configuration hierarchy and then do the string matching on the response using normal Python string methods.

--Stacy