Fix late comments (#29)

* more fixes
* add external binary requirements
* better error handling for bonding

README.md

@@ -22,6 +22,10 @@ The goal is to generate an existing infrastructure on Netbox and have the abilit
 - [python3-netaddr](https://github.com/drkjam/netaddr)
 - [python3-netifaces](https://github.com/al45tair/netifaces)
 
+- ethtool
+- dmidecode
+- ipmitool
+
 # Known limitations
 
 * The project is only compatible with Linux.

netbox_agent/config.py

@@ -34,5 +34,5 @@ if config.get('rack_location'):
 NETWORK_IGNORE_INTERFACES = None
 NETWORK_IGNORE_IPS = None
 if config.get('network'):
-    NETWORK_IGNORE_INTERFACES = config['network']['ignore_interfaces']
-    NETWORK_IGNORE_IPS = config['network']['ignore_ips']
+    NETWORK_IGNORE_INTERFACES = config['network'].get('ignore_interfaces')
+    NETWORK_IGNORE_IPS = config['network'].get('ignore_ips')

netbox_agent/ipmi.py

@@ -2,7 +2,7 @@ import logging
 import subprocess
 
 
-class Ipmi():
+class IPMI():
     """
     Parse IPMI output
     ie:
@@ -42,7 +42,7 @@ class Ipmi():
         ret = {}
         if self.ret != 0:
             return ret
-        for line in self.output.split('\n'):
+        for line in self.output.splitlines():
             key = line.split(':')[0].strip()
             value = ':'.join(line.split(':')[1:]).strip()
             ret[key] = value

netbox_agent/network.py

@@ -9,7 +9,7 @@ import netifaces
 from netbox_agent.config import netbox_instance as nb
 from netbox_agent.config import NETWORK_IGNORE_INTERFACES, NETWORK_IGNORE_IPS
 from netbox_agent.ethtool import Ethtool
-from netbox_agent.ipmi import Ipmi
+from netbox_agent.ipmi import IPMI
 
 IFACE_TYPE_100ME_FIXED = 800
 IFACE_TYPE_1GE_FIXED = 1000
@@ -56,7 +56,7 @@ class Network():
                re.match(NETWORK_IGNORE_INTERFACES, interface):
                 logging.debug('Ignore interface {interface}'.format(interface=interface))
                 continue
-            else:
+
             ip_addr = netifaces.ifaddresses(interface).get(netifaces.AF_INET)
             if NETWORK_IGNORE_IPS and ip_addr:
                 for i, ip in enumerate(ip_addr):
@@ -91,23 +91,24 @@ class Network():
             self.nics.append(nic)
 
     def _set_bonding_interfaces(self):
-        bonding_nics = [x for x in self.nics if x['bonding']]
-        if not len(bonding_nics):
-            return False
-        logging.debug('Setting bonding interfaces..')
+        bonding_nics = (x for x in self.nics if x['bonding'])
         for nic in bonding_nics:
             bond_int = self.get_netbox_network_card(nic)
             logging.debug('Setting slave interface for {name}'.format(
                 name=bond_int.name
             ))
-            for slave in nic['bonding_slaves']:
-                slave_nic = next(item for item in self.nics if item['name'] == slave)
-                slave_int = self.get_netbox_network_card(slave_nic)
+            for slave_int in (
+                    self.get_netbox_network_card(slave_nic)
+                    for slave_nic in self.nics
+                    if slave_nic['name'] in nic['bonding_slaves']):
+                if slave_int.lag is None or slave_int.lag.id != bond_int.id:
                     logging.debug('Settting interface {name} as slave of {master}'.format(
                         name=slave_int.name, master=bond_int.name
                     ))
                     slave_int.lag = bond_int
                     slave_int.save()
+        else:
+            return False
         return True
 
     def get_network_cards(self):
@@ -149,7 +150,7 @@ class Network():
         return IFACE_TYPE_OTHER
 
     def get_ipmi(self):
-        ipmi = Ipmi().parse()
+        ipmi = IPMI().parse()
         return ipmi
 
     def get_netbox_ipmi(self):
@@ -199,7 +200,7 @@ class Network():
         ip = ipmi['IP Address']
         netmask = ipmi['Subnet Mask']
         vlan = int(ipmi['802.1q VLAN ID']) if ipmi['802.1q VLAN ID'] != 'Disabled' else None
-        address = IPNetwork('{}/{}'.format(ip, netmask)).__str__()
+        address = str(IPNetwork('{}/{}'.format(ip, netmask)))
 
         interface = nb.dcim.interfaces.get(
             device_id=self.device.id,