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netst added to my bin folder

master
Dirk Alders 9 months ago
parent
commit
4a5ea44daa
4 changed files with 71 additions and 0 deletions
  1. 2
    0
      .gitignore
  2. 6
    0
      netst
  3. 60
    0
      netst.src/netst.py
  4. 3
    0
      netst.src/requirements.txt

+ 2
- 0
.gitignore View File

@@ -1,3 +1,5 @@
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+*/venv
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+
1 3
 # ---> Linux
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 *~
3 5
 

+ 6
- 0
netst View File

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+#!/bin/bash
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+#
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+BASEDIR=$(dirname $0)
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+
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+$BASEDIR/netst.src/venv/bin/python $BASEDIR/netst.src/netst.py $*
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+

+ 60
- 0
netst.src/netst.py View File

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+import dns.resolver
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+import ifcfg 
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+import json
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+import socket
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+import struct
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+import sys
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+import time
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+
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+def gateway(device):
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+    with open("/proc/net/route") as fh:
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+        # skip header
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+        next(fh)
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+        for line in fh:
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+            routes = line.strip().split()
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+            if routes[0] == device:
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+                destination = socket.inet_ntoa(struct.pack("<L", int(routes[1], 16)))
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+                if destination != "0.0.0.0":
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+                    continue
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+                return socket.inet_ntoa(struct.pack("<L", int(routes[2], 16)))
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+
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+
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+try:
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+    DEVICE = sys.argv[1]
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+except IndexError:
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+    print("You need to give the device name as first argument")
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+    sys.exit()
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+
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+HRN = {     # Human Readable Name
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+    'MAC': 'ether',
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+    'MTU': 'mtu',
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+    'IP': 'inet',
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+    'Netmask': 'netmask',
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+}
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+
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+try:
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+    info = ifcfg.interfaces()[DEVICE]
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+except KeyError:
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+    print("Unknown device:", DEVICE)
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+    sys.exit(1)
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+try:
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+    dns_resolver = dns.resolver.Resolver()
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+except dns.resolver.NoResolverConfiguration:
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+    dns_server = []
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+else:
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+    dns_server = dns_resolver.nameservers
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+
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+print('+' + 27 * '-' + '+')
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+print("|%9s: %s" % ('Device', DEVICE) + (16 - len(DEVICE)) * ' ' + '|')
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+print('+' + 27 * '-' + '+')
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+for name in HRN:
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+    print("%10s: %s" % (name, info[HRN[name]]))
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+print("%10s: %s" % ('Gateway', gateway(DEVICE)))
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+
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+try:
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+    print("%10s: %s" % ("Domain", socket.getfqdn().split('.', 1)[1]))
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+except IndexError:
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+    print("%10s: None" % "Domain")
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+for i, dns in enumerate(dns_server):
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+    print("%10s: %s" % ("DNS_%d" % (i + 1), dns))
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+

+ 3
- 0
netst.src/requirements.txt View File

@@ -0,0 +1,3 @@
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+ifcfg
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+dnspython
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+

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