150 lines
4.6 KiB
Python
150 lines
4.6 KiB
Python
import logging
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import validator.bondethernet as bondethernet
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class NullHandler(logging.Handler):
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def emit(self, record):
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pass
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def has_sub(yaml, ifname):
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""" Returns True if this interface has sub-interfaces """
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if not 'interfaces' in yaml:
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return False
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if ifname in yaml['interfaces']:
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iface = yaml['interfaces'][ifname]
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if 'sub-interfaces' in iface and len(iface['sub-interfaces']) > 0:
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return True
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return False
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def has_address(yaml, ifname):
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""" Returns True if this interface or sub-interface has one or more addresses"""
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if not 'interfaces' in yaml:
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return False
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if '.' in ifname:
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ifname, subid = ifname.split('.')
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subid = int(subid)
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try:
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if len(yaml['interfaces'][ifname]['sub-interfaces'][subid]['addresses']) > 0:
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return True
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except:
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pass
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return False
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try:
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if len(yaml['interfaces'][ifname]['addresses']) > 0:
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return True
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except:
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pass
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return False
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def is_bond_member(yaml, ifname):
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""" Returns True if this interface is a member of a BondEthernet """
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if not 'bondethernets' in yaml:
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return False
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for bond, iface in yaml['bondethernets'].items():
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if not 'interfaces' in iface:
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continue
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if ifname in iface['interfaces']:
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return True
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return False
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def has_lcp(yaml, ifname):
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""" Returns True if this interface or sub-interface has an LCP"""
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if not 'interfaces' in yaml:
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return False
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if '.' in ifname:
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ifname, subid = ifname.split('.')
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subid = int(subid)
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try:
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if len(yaml['interfaces'][ifname]['sub-interfaces'][subid]['lcp']) > 0:
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return True
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except:
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pass
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return False
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try:
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if len(yaml['interfaces'][ifname]['lcp']) > 0:
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return True
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except:
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pass
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return False
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def exists(yaml, ifname):
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""" Returns true if ifname exists as a phy or sub-int """
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try:
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if ifname in yaml['interfaces']:
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return True
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if '.' in ifname:
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ifname, subid = ifname.split('.')
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subid = int(subid)
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if subid in yaml['interfaces'][ifname]['sub-interfaces']:
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return True
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except:
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pass
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return False
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def valid_encapsulation(yaml, sub_ifname):
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try:
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ifname, subid = sub_ifname.split('.')
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subid = int(subid)
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sub_iface = yaml['interfaces'][ifname]['sub-interfaces'][subid]
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except:
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return False
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if not 'encapsulation' in sub_iface:
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return True
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encap = sub_iface['encapsulation']
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if 'dot1ad' in encap and 'dot1q' in encap:
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return False
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if 'inner-dot1q' in encap and not ('dot1ad' in encap or 'dot1q' in encap):
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return False
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return True
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def interface(args, yaml):
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result = True
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msgs = []
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logger = logging.getLogger('vppcfg.validator')
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logger.addHandler(NullHandler())
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if not 'interfaces' in yaml:
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return result, msgs
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for ifname, iface in yaml['interfaces'].items():
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logger.debug("interface %s" % iface)
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if ifname.startswith("BondEthernet") and not bondethernet.exists(yaml, ifname):
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msgs.append("interface %s does not exist in bondethernets" % ifname)
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result = False
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continue
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iface_lcp = has_lcp(yaml, ifname)
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iface_address = has_address(yaml, ifname)
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if iface_address and not iface_lcp:
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msgs.append("interface %s has adddress(es) but no LCP" % ifname)
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result = False
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if has_sub(yaml, ifname):
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for sub_id, sub_iface in yaml['interfaces'][ifname]['sub-interfaces'].items():
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sub_ifname = "%s.%d" % (ifname, sub_id)
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logger.debug("sub-interface %s" % sub_iface)
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if has_lcp(yaml, sub_ifname):
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if not iface_lcp:
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msgs.append("sub-interface %s has LCP but %s does not have LCP" % (sub_ifname, ifname))
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result = False
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if has_address(yaml, sub_ifname):
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## The sub_iface lcp is not required: it can be derived from the iface_lcp, which has to be set
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if not iface_lcp:
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msgs.append("sub-interface %s has address(es) but %s does not have LCP" % (sub_ifname, ifname))
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result = False
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if not valid_encapsulation(yaml, sub_ifname):
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msgs.append("sub-interface %s has invalid encapsulation" % (sub_ifname))
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result = False
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return result, msgs
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