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https://github.com/hansjone/netx.git
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oliver
d2fb33ec0d
Match ZXROS Scope/Holdtime columns, disable Netmiko cmd_verify on show commands, and do not SSH LLDP when vendor/device_type cannot be resolved. Co-authored-by: Cursor <cursoragent@cursor.com>
59 lines
2.3 KiB
Python
59 lines
2.3 KiB
Python
"""Shared Netmiko helpers for managed NE connect/collect."""
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from __future__ import annotations
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from typing import Any
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def normalize_netmiko_device_type(device_type: str, protocol: str) -> str:
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dt = str(device_type or "").strip()
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proto = str(protocol or "ssh").strip().lower()
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low = dt.lower()
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# Raw / SecureCRT-style sessions (WebCRT quick-connect stores device_type=generic).
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if low in ("generic", "generic_ssh", "generic_telnet", "terminal_server", "generic_termserver"):
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return "generic_telnet" if proto == "telnet" or "telnet" in low else "generic_termserver_ssh"
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# Netmiko ships linux / linux_ssh but not linux_telnet — use generic_telnet.
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if low in ("linux", "linux_ssh", "linux_telnet") or low.startswith("linux_"):
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if proto == "telnet" or "telnet" in low:
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return "generic_telnet"
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return "linux_ssh"
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if "zte" in low:
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if dt == "zte":
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return f"zte_zxros_{proto}"
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if "telnet" not in low and "ssh" not in low:
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return f"{dt}_{proto}"
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return dt
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if "telnet" not in low and "ssh" not in low:
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return f"{dt}_{proto}"
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return dt
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def is_cisco_ios_device_type(device_type: str) -> bool:
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dt = str(device_type or "").strip().lower()
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return "cisco_ios" in dt or dt in {"cisco_ios", "cisco_ios_ssh", "cisco_ios_telnet"}
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def send_show_command(conn: Any, command: str, *, read_timeout: int = 120) -> str:
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"""Send a show/display command via ``send_command`` (wait for device prompt).
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Do not use ``send_command_timing`` for Cisco config collection: long idle during
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``Building configuration...`` is treated as end-of-output and truncates the config.
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``cmd_verify=False``: Netmiko's default echo check often raises
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``Pattern not detected: 'show\\ lldp\\ ...'`` on IOSv / hop / slow echo paths.
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"""
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cmd = str(command or "").strip()
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if not cmd:
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return ""
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try:
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return str(
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conn.send_command(
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command_string=cmd,
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read_timeout=read_timeout,
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cmd_verify=False,
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)
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or ""
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)
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except TypeError:
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# Older Netmiko without cmd_verify kwarg.
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return str(conn.send_command(command_string=cmd, read_timeout=read_timeout) or "")
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