Get Running Config

# py312

# requirements:

# pyeapi==1.0.4

import ssl

from typing import TypedDict

from urllib.parse import urlsplit

import pyeapi

class arista_eos(TypedDict):

    host: str

    username: str

    password: str

    port: int

    verify_tls: bool

def main(auth: arista_eos, section: str = ""):

    """

    Get Running Config

    The running configuration as text, or only one section of it (e.g. "router bgp", "interface Ethernet1", "mlag").

    """

    cmd = f"show running-config section {section}" if section else "show running-config"

    [result] = node(auth).run_commands([cmd], "text")

    return result["output"]

# host is an address or a URL (https://10.0.0.11:8443). pyeapi skips certificate checks unless it is given a context,

# so one is always passed: verifying, or not when the resource unticks verify_tls (EOS ships a self-signed cert).

def node(auth: arista_eos, timeout: float = 60):

    url = urlsplit(auth["host"] if "://" in auth["host"] else f"https://{auth['host']}")

    context = ssl.create_default_context()

    if auth.get("verify_tls") is False:

        context.check_hostname = False

        context.verify_mode = ssl.CERT_NONE

    return pyeapi.connect(

        transport=url.scheme,

        host=url.hostname,

        port=url.port or auth.get("port") or None,

        username=auth["username"],

        password=auth["password"],

        context=context,

        timeout=timeout,

        return_node=True,

    )