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Support composite-username bastion login for automated connect-test and exec, with bastion-managed or manual target credential modes. Co-authored-by: Cursor <cursoragent@cursor.com>
125 lines
4.5 KiB
Python
125 lines
4.5 KiB
Python
from __future__ import annotations
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import unittest
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from unittest.mock import MagicMock, patch
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from netx_api.ne_session_factory import (
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default_bastion_username_template,
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open_netmiko_connection,
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render_hop_command,
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)
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class BastionTemplateTests(unittest.TestCase):
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def test_default_bastion_username_template(self) -> None:
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self.assertEqual(
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default_bastion_username_template(),
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"{hop_user}@{target_user}@{target_ip}@{hop_host}",
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)
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def test_render_bastion_composite_username(self) -> None:
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creds = {
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"hop_vendor": "bastion",
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"hop_username": "ZTE-TSM",
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"hop_host": "10.34.145.27",
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"username": "ca-oper",
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"ip_address": "114.0.44.11",
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"hop_protocol": "ssh",
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"hop_vrf": "",
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}
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out = render_hop_command("", creds)
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self.assertEqual(out, "ZTE-TSM@ca-oper@114.0.44.11@10.34.145.27")
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def test_render_custom_bastion_template(self) -> None:
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creds = {
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"hop_vendor": "bastion",
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"hop_username": "admin",
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"hop_host": "1.2.3.4",
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"username": "root",
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"ip_address": "5.6.7.8",
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"hop_command_template": "{hop_user}#{target_user}@{target_ip}",
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"hop_protocol": "ssh",
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"hop_vrf": "",
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}
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out = render_hop_command(creds["hop_command_template"], creds)
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self.assertEqual(out, "admin#root@5.6.7.8")
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class BastionConnectRoutingTests(unittest.TestCase):
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@patch("netx_api.ne_session_factory._connect_via_bastion")
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@patch("netx_api.ne_session_factory._connect_direct")
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def test_open_routes_to_bastion_when_enabled(self, direct, bastion) -> None:
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bastion.return_value = MagicMock()
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creds = {"hop_enabled": True, "hop_vendor": "bastion"}
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open_netmiko_connection(creds)
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bastion.assert_called_once()
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direct.assert_not_called()
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@patch("netx_api.ne_session_factory._connect_via_bastion")
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@patch("netx_api.ne_session_factory._connect_via_linux_hop")
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def test_open_routes_linux_not_bastion(self, linux, bastion) -> None:
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linux.return_value = MagicMock()
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creds = {"hop_enabled": True, "hop_vendor": "linux"}
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open_netmiko_connection(creds)
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linux.assert_called_once()
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bastion.assert_not_called()
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class BastionConnectImplTests(unittest.TestCase):
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@patch("netx_api.ne_session_factory.ConnectHandler")
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def test_bastion_managed_skips_secondary_auth(self, connect_handler) -> None:
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from netx_api.ne_session_factory import _connect_via_bastion
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conn = MagicMock()
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connect_handler.return_value = conn
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creds = {
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"hop_host": "10.34.145.27",
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"hop_username": "ZTE-TSM",
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"hop_password": "vault-pass",
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"hop_port": 22,
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"device_type": "zte_zxros",
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"protocol": "ssh",
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"username": "ca-oper",
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"ip_address": "114.0.44.11",
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"password": "",
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"hop_target_auth_mode": "bastion_managed",
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"hop_vendor": "bastion",
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"hop_protocol": "ssh",
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"hop_vrf": "",
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}
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_connect_via_bastion(creds)
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kwargs = connect_handler.call_args.kwargs
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self.assertEqual(kwargs["host"], "10.34.145.27")
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self.assertEqual(kwargs["username"], "ZTE-TSM@ca-oper@114.0.44.11@10.34.145.27")
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self.assertEqual(kwargs["password"], "vault-pass")
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conn.disconnect.assert_not_called()
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@patch("netx_api.ne_session_factory._interactive_target_auth")
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@patch("netx_api.ne_session_factory._read_channel")
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@patch("netx_api.ne_session_factory.ConnectHandler")
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def test_bastion_manual_invokes_secondary_auth(self, connect_handler, _read, interact) -> None:
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from netx_api.ne_session_factory import _connect_via_bastion
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conn = MagicMock()
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connect_handler.return_value = conn
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creds = {
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"hop_host": "10.0.0.1",
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"hop_username": "bastion-user",
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"hop_password": "bastion-pass",
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"hop_port": 2222,
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"device_type": "cisco_ios",
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"protocol": "ssh",
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"username": "target-user",
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"ip_address": "10.0.0.2",
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"password": "target-pass",
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"hop_target_auth_mode": "manual",
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"hop_vendor": "bastion",
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"hop_protocol": "ssh",
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"hop_vrf": "",
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}
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_connect_via_bastion(creds)
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interact.assert_called_once_with(conn, "target-user", "target-pass")
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if __name__ == "__main__":
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unittest.main()
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