eos_poller

eos_poller.py

Uses asyncio.to_thread and gather functions to poll multiple switches concurrently

Functions

invoker(switchlist_in, uname_in, passwd_in, runtype_in)

Run synchronously; provide entry-point for module; manage the asyncio eventloop;

main(switchlist_in2, uname_in2, passwd_in2, runtype_in2)

Connect to switches and get the data that we want from them. Use asyncio

get_sw_data(switch3, uname_in3, passwd_in3, sw_cntr3_in)

Connect to a switch and gets the data that we want from it

Module Contents

eos_poller.invoker(switchlist_in, uname_in, passwd_in, runtype_in)[source]

Run synchronously; provide entry-point for module; manage the asyncio eventloop; invoke async/threaded functions to do the real work.

Parameters:

  • switchlist_in (list) – List of Arista switches to be interrogated

  • uname_in (str) – The username credential for authenticating to the switch

  • passwd_in (str) – The password credential for authenticating to the switch

  • runtype_in (str)

Returns:

  • svsout (list) – Values of the switch that we’re interested in

  • lldpsout (list) – List of connections inferred from LLDP tables on the switches

  • cfgsout (list) –

    List-of-lists holding all of the switch’s configurations

    ’all_configs_out[0]’ is the configuration of the first item in switchlist ‘all_configs_out[0][0] is the 1st line of the 1st switch’s configuration

Return type:

tuple[list, list, list]

async eos_poller.main(switchlist_in2, uname_in2, passwd_in2, runtype_in2)[source]

Connect to switches and get the data that we want from them. Use asyncio to_thread function to enable concurrent processing of multiple switches.

Parameters:

  • switchlist_in2 (list) – List of Arista switches to be interrogated

  • uname_in2 (str) – The username credential for authenticating to the switch

  • passw_in2 (str) – The password credential for authenticating to the switch

  • passwd_in2 (str)

  • runtype_in2 (str)

Returns:

  • sw_vals_out2 (list) – Values of the switch that we’re interested in

  • lldpngbrs_out2 (list) – List of connections inferred from LLDP tables on the switches

  • all_configs_out2 (list) –

    List-of-lists holding all of the switch’s configurations

    ’all_configs_out2[0]’ is the configuration of the first item in switchlist ‘all_configs_out2[0][0] is the 1st line of the 1st switch’s configuration

Return type:

tuple[list, list, list]

eos_poller.get_sw_data(switch3, uname_in3, passwd_in3, sw_cntr3_in)[source]

Connect to a switch and gets the data that we want from it

Parameters:

  • switch3 (str) – The network switch to be interrogated

  • uname_in3 (str) – The username credential for authenticating to the switch

  • passwd_in3 (str) – The password credential for authenticating to the switch

  • sw_cntr3_in (int)

Returns:

  • this_sw_vals (list) – Values of the switch that we’re interested in

  • this_sw_lldp_nbrs (list) – The switch’s LLDP neighbors table (local/remote device-name and port-I)

  • this_sw_cfg (list) – The switch’s startup configuration

Return type:

tuple[list, list, list]