mirror of
https://github.com/checktheroads/hyperglass
synced 2024-05-11 05:55:08 +00:00
added source IP features to ping and traceroute for FRR API
This commit is contained in:
checktheroads
@ -1,6 +1,7 @@
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#!/usr/bin/env python3
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import re
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import sys
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import json
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import toml
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import logging
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from netaddr import *
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@ -18,9 +19,144 @@ commands = configuration.commands()
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# Filter config to router list
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routers_list = devices["router"]
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# Receives JSON from Flask, constucts the command that will be passed to the router
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# Also handles input validation & error handling
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def construct(router, cmd, ipprefix):
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def frr(router, cmd, ipprefix):
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logger.info(f"Constructing {cmd} command for FRR router {router} to {ipprefix}...")
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try:
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# Loop through routers config file, match input router with configured routers, set variables
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for r in routers_list:
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if router == r["address"]:
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type = r["type"]
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src_addr_ipv4 = r["src_addr_ipv4"]
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src_addr_ipv6 = r["src_addr_ipv6"]
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try:
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# Loop through commands config file, set variables for matched commands
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if cmd == "Query Type":
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msg = "You must select a query type."
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code = 415
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logger.error(f"{msg}, {code}, {router}, {cmd}, {ipprefix}")
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return (msg, code, router, cmd, ipprefix)
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# BGP Community Query
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elif cmd in ["bgp_community"]:
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# Extended Communities, new-format
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if re.match("^([0-9]{0,5})\:([0-9]{1,5})$", ipprefix):
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query = json.dumps(
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{"cmd": cmd, "afi": "dual", "target": ipprefix}
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)
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msg = f"{ipprefix} matched new-format community."
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code = 200
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return (msg, code, router, query)
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# Extended Communities, 32 bit format
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elif re.match("^[0-9]{1,10}$", ipprefix):
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query = json.dumps(
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{"cmd": cmd, "afi": "dual", "target": ipprefix}
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)
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msg = f"{ipprefix} matched 32 bit community."
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code = 200
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return (msg, code, router, query)
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# RFC 8092 Large Community Support
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elif re.match(
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"^([0-9]{1,10})\:([0-9]{1,10})\:[0-9]{1,10}$", ipprefix
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):
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query = json.dumps(
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{"cmd": cmd, "afi": "dual", "target": ipprefix}
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)
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msg = f"{ipprefix} matched large community."
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code = 200
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return (msg, code, router, query)
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else:
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msg = f"{ipprefix} is an invalid BGP Community Format."
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code = 415
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logger.error(f"{msg}, {code}, {router}, {cmd}, {ipprefix}")
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return (msg, code, router, cmd, ipprefix)
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# BGP AS_PATH Query
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elif cmd in ["bgp_aspath"]:
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if re.match(".*", ipprefix):
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query = json.dumps(
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{"cmd": cmd, "afi": "dual", "target": ipprefix}
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)
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msg = f"{ipprefix} matched AS_PATH regex."
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code = 200
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return (msg, code, router, query)
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else:
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msg = f"{ipprefix} is an invalid AS_PATH regex."
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code = 415
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logger.error(f"{msg}, {code}, {router}, {cmd}, {ipprefix}")
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return (msg, code, router, query)
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# BGP Route Query
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elif cmd in ["bgp_route"]:
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try:
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# Use netaddr library to verify if input is a valid IPv4 address or prefix
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if IPNetwork(ipprefix).ip.version == 4:
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query = json.dumps(
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{"cmd": cmd, "afi": "ipv4", "target": ipprefix}
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)
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msg = f"{ipprefix} is a valid IPv4 Adddress."
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code = 200
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return (msg, code, router, query)
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# Use netaddr library to verify if input is a valid IPv6 address or prefix
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elif IPNetwork(ipprefix).ip.version == 6:
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query = json.dumps(
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{"cmd": cmd, "afi": "ipv6", "target": ipprefix}
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)
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msg = f"{ipprefix} is a valid IPv6 Adddress."
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code = 200
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return (msg, code, router, query)
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# Exception from netaddr library will return a user-facing error
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except:
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msg = f"{ipprefix} is an invalid IP Address."
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code = 415
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logger.error(f"{msg}, {code}, {router}, {cmd}, {ipprefix}")
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return (msg, code, router, cmd, ipprefix)
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# Ping/Traceroute
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elif cmd in ["ping", "traceroute"]:
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try:
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if IPNetwork(ipprefix).ip.version == 4:
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query = json.dumps(
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{
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"cmd": cmd,
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"afi": "ipv4",
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"source": src_addr_ipv4,
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"target": ipprefix,
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}
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)
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msg = f"{ipprefix} is a valid IPv4 Adddress."
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code = 200
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return (msg, code, router, query)
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elif IPNetwork(ipprefix).ip.version == 6:
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query = json.dumps(
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{
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"cmd": cmd,
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"afi": "ipv6",
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"source": src_addr_ipv6,
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"target": ipprefix,
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}
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)
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msg = f"{ipprefix} is a valid IPv6 Adddress."
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code = 200
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return (msg, code, router, query)
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except:
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msg = f"{ipprefix} is an invalid IP Address."
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code = 415
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logger.error(f"{msg}, {code}, {router}, {cmd}, {ipprefix}")
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return (msg, code, router, cmd, ipprefix)
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else:
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msg = f"Command {cmd} not found."
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code = 415
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logger.error(f"{msg}, {code}, {router}, {cmd}, {ipprefix}")
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return (msg, code, router, cmd, ipprefix)
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except:
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router_ip = r["address"]
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error_msg = logger.error(
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f"Input router IP {router} does not match the configured router IP of {router_ip}"
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)
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raise ValueError(error_msg)
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except:
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raise
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def netmiko(router, cmd, ipprefix):
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"""Receives JSON from Flask, constucts the command that will be passed to the router. Also handles input validation & error handling."""
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logger.info(f"Constructing {cmd} command for {router} to {ipprefix}...")
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try:
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# Loop through routers config file, match input router with configured routers, set variables
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