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Files
CumulusNetworks-ifupdown2/addons/mstpctl.py
Roopa Prabhu f6a0fa151b Added a few more try-except clauses during bridge config to continue on
failures

Ticket: CM-4382
Reviewed By:
Testing Done: Tested with bridge port addition failure example in the
bug report
2014-12-27 20:39:17 -08:00

761 lines
34 KiB
Python

#!/usr/bin/python
#
# Copyright 2014 Cumulus Networks, Inc. All rights reserved.
# Author: Roopa Prabhu, roopa@cumulusnetworks.com
#
from sets import Set
from ifupdown.iface import *
from ifupdownaddons.modulebase import moduleBase
from ifupdownaddons.bridgeutils import brctl
from ifupdownaddons.iproute2 import iproute2
from ifupdownaddons.mstpctlutil import mstpctlutil
import traceback
class mstpctl(moduleBase):
""" ifupdown2 addon module to configure mstp attributes """
_modinfo = {'mhelp' : 'mstp configuration module for bridges',
'attrs' : {
'mstpctl-ports' :
{'help' : 'mstp ports',
'compat' : True},
'mstpctl-stp' :
{'help': 'bridge stp yes/no',
'compat' : True,
'default' : 'no'},
'mstpctl-treeprio' :
{'help': 'tree priority',
'default' : '32768',
'validrange' : ['0', '65535'],
'required' : False,
'example' : ['mstpctl-treeprio 32768']},
'mstpctl-ageing' :
{'help': 'ageing time',
'default' : '300',
'required' : False,
'example' : ['mstpctl-ageing 300']},
'mstpctl-maxage' :
{ 'help' : 'max message age',
'default' : '20',
'required' : False,
'example' : ['mstpctl-maxage 20']},
'mstpctl-fdelay' :
{ 'help' : 'set forwarding delay',
'default' : '15',
'required' : False,
'example' : ['mstpctl-fdelay 15']},
'mstpctl-maxhops' :
{ 'help' : 'bridge max hops',
'default' : '15',
'required' : False,
'example' : ['mstpctl-maxhops 15']},
'mstpctl-txholdcount' :
{ 'help' : 'bridge transmit holdcount',
'default' : '6',
'required' : False,
'example' : ['mstpctl-txholdcount 6']},
'mstpctl-forcevers' :
{ 'help' : 'bridge force stp version',
'default' : 'rstp',
'required' : False,
'example' : ['mstpctl-forcevers rstp']},
'mstpctl-portpathcost' :
{ 'help' : 'bridge port path cost',
'default' : '0',
'required' : False,
'example' : ['mstpctl-portpathcost swp1=0 swp2=1']},
'mstpctl-portp2p' :
{ 'help' : 'bridge port p2p detection mode',
'default' : 'auto',
'validvals' : ['yes', 'no', 'auto'],
'required' : False,
'example' : ['mstpctl-portp2p swp1=no swp2=no']},
'mstpctl-portrestrrole' :
{ 'help' :
'enable/disable port ability to take root role of the port',
'default' : 'no',
'validvals' : ['yes', 'no'],
'required' : False,
'example' : ['mstpctl-portrestrrole swp1=no swp2=no']},
'mstpctl-portrestrtcn' :
{ 'help' :
'enable/disable port ability to propagate received topology change notification of the port',
'default' : 'no',
'validvals' : ['yes', 'no'],
'required' : False,
'example' : ['mstpctl-portrestrtcn swp1=no swp2=no']},
'mstpctl-bpduguard' :
{ 'help' :
'enable/disable bpduguard',
'default' : 'no',
'validvals' : ['yes', 'no'],
'required' : False,
'example' : ['mstpctl-bpduguard swp1=no swp2=no']},
'mstpctl-treeportprio' :
{ 'help' :
'port priority for MSTI instance',
'default' : '128',
'validrange' : ['0', '240'],
'required' : False,
'example' : ['mstpctl-treeportprio swp1=128 swp2=128']},
'mstpctl-hello' :
{ 'help' : 'set hello time',
'default' : '2',
'required' : False,
'example' : ['mstpctl-hello 2']},
'mstpctl-portnetwork' :
{ 'help' : 'enable/disable bridge assurance capability for a port',
'validvals' : ['yes', 'no'],
'default' : 'no',
'required' : False,
'example' : ['mstpctl-portnetwork swp1=no swp2=no']},
'mstpctl-portadminedge' :
{ 'help' : 'enable/disable initial edge state of the port',
'validvals' : ['yes', 'no'],
'default' : 'no',
'required' : False,
'example' : ['mstpctl-portadminedge swp1=no swp2=no']},
'mstpctl-portautoedge' :
{ 'help' : 'enable/disable auto transition to/from edge state of the port',
'validvals' : ['yes', 'no'],
'default' : 'no',
'required' : False,
'example' : ['mstpctl-portautoedge swp1=yes swp2=yes']},
'mstpctl-treeportcost' :
{ 'help' : 'port tree cost',
'required' : False},
'mstpctl-portbpdufilter' :
{ 'help' : 'enable/disable bpdu filter on a port. ' +
'syntax varies when defined under a bridge ' +
'vs under a port',
'validvals' : ['yes', 'no'],
'default' : 'no',
'required' : False,
'example' : ['under a bridge: mstpctl-portbpdufilter swp1=no swp2=no',
'under a port: mstpctl-portbpdufilter yes']},
}}
# Maps mstp bridge attribute names to corresponding mstpctl commands
# XXX: This can be encoded in the modules dict above
_attrs_map = OrderedDict([('mstpctl-treeprio' , 'treeprio'),
('mstpctl-ageing' , 'ageing'),
('mstpctl-maxage' , 'maxage'),
('mstpctl-fdelay' , 'fdelay'),
('mstpctl-maxhops' , 'maxhops'),
('mstpctl-txholdcount' , 'txholdcount'),
('mstpctl-forcevers', 'forcevers'),
('mstpctl-hello' , 'hello')])
# Maps mstp port attribute names to corresponding mstpctl commands
# XXX: This can be encoded in the modules dict above
_port_attrs_map = {'mstpctl-portpathcost' : 'portpathcost',
'mstpctl-portadminedge' : 'portadminedge',
'mstpctl-portautoedge' : 'portautoedge' ,
'mstpctl-portp2p' : 'portp2p',
'mstpctl-portrestrrole' : 'portrestrrole',
'mstpctl-portrestrtcn' : 'portrestrtcn',
'mstpctl-bpduguard' : 'bpduguard',
'mstpctl-treeportprio' : 'treeportprio',
'mstpctl-treeportcost' : 'treeportcost',
'mstpctl-portnetwork' : 'portnetwork',
'mstpctl-portbpdufilter' : 'portbpdufilter'}
# declare some ifaceobj priv_flags.
# XXX: This assumes that the priv_flags is owned by this module
# which it is not.
_BRIDGE_PORT_PROCESSED = 0x1
def __init__(self, *args, **kargs):
moduleBase.__init__(self, *args, **kargs)
self.ipcmd = None
self.brctlcmd = None
self.mstpctlcmd = None
def _is_bridge(self, ifaceobj):
if (ifaceobj.get_attr_value_first('mstpctl-ports') or
ifaceobj.get_attr_value_first('bridge-ports')):
return True
return False
def _is_bridge_port(self, ifaceobj):
if self.brctlcmd.is_bridge_port(ifaceobj.name):
return True
return False
def get_dependent_ifacenames(self, ifaceobj, ifacenames_all=None):
if not self._is_bridge(ifaceobj):
return None
return self.parse_port_list(ifaceobj.get_attr_value_first(
'mstpctl-ports'), ifacenames_all)
def get_dependent_ifacenames_running(self, ifaceobj):
self._init_command_handlers()
if (self.brctlcmd.bridge_exists(ifaceobj.name) and
not self.mstpctlcmd.mstpbridge_exists(ifaceobj.name)):
return None
return self.brctlcmd.get_bridge_ports(ifaceobj.name)
def _get_bridge_port_list(self, ifaceobj):
# port list is also available in the previously
# parsed dependent list. Use that if available, instead
# of parsing port expr again
port_list = ifaceobj.lowerifaces
if port_list:
return port_list
ports = ifaceobj.get_attr_value_first('mstpctl-ports')
if ports:
return self.parse_port_list(ports)
else:
return None
def _add_ports(self, ifaceobj):
bridgeports = self._get_bridge_port_list(ifaceobj)
runningbridgeports = []
# Delete active ports not in the new port list
if not self.PERFMODE:
runningbridgeports = self.brctlcmd.get_bridge_ports(ifaceobj.name)
if runningbridgeports:
[self.ipcmd.link_set(bport, 'nomaster')
for bport in runningbridgeports
if not bridgeports or bport not in bridgeports]
else:
runningbridgeports = []
if not bridgeports:
return
err = 0
for bridgeport in Set(bridgeports).difference(Set(runningbridgeports)):
try:
if not self.DRYRUN and not self.ipcmd.link_exists(bridgeport):
self.log_warn('%s: bridge port %s does not exist'
%(ifaceobj.name, bridgeport))
err += 1
continue
self.ipcmd.link_set(bridgeport, 'master', ifaceobj.name)
self.write_file('/proc/sys/net/ipv6/conf/%s' %bridgeport +
'/disable_ipv6', '1')
self.ipcmd.addr_flush(bridgeport)
except Exception, e:
self.log_error(str(e))
if err:
self.log_error('error configuring bridge (missing ports)')
def _apply_bridge_settings(self, ifaceobj):
check = False if self.PERFMODE else True
try:
# set bridge attributes
for attrname, dstattrname in self._attrs_map.items():
try:
v = ifaceobj.get_attr_value_first(attrname)
if not v:
continue
if attrname == 'mstpctl-treeprio':
self.mstpctlcmd.set_bridge_treeprio(ifaceobj.name,
v, check)
else:
self.mstpctlcmd.set_bridge_attr(ifaceobj.name,
dstattrname, v, check)
except Exception, e:
self.logger.warn('%s' %str(e))
pass
# set bridge port attributes
for attrname, dstattrname in self._port_attrs_map.items():
attrval = ifaceobj.get_attr_value_first(attrname)
if not attrval:
continue
portlist = self.parse_port_list(attrval)
if not portlist:
self.log_warn('%s: error parsing \'%s %s\''
%(ifaceobj.name, attrname, attrval))
continue
for p in portlist:
try:
(port, val) = p.split('=')
self.mstpctlcmd.set_bridgeport_attr(ifaceobj.name,
port, dstattrname, val, check)
except Exception, e:
self.log_warn('%s: error setting %s (%s)'
%(ifaceobj.name, attrname, str(e)))
except Exception, e:
self.log_warn(str(e))
pass
def _apply_bridge_port_settings(self, ifaceobj, bridgename=None,
bridgeifaceobj=None, stp_on=True,
mstpd_running=True):
check = False if self.PERFMODE else True
if not bridgename and bridgeifaceobj:
bridgename = bridgeifaceobj.name
# set bridge port attributes
for attrname, dstattrname in self._port_attrs_map.items():
attrval = ifaceobj.get_attr_value_first(attrname)
if not attrval:
#if bridgeifaceobj:
# # If bridge object available, check if the bridge
# # has the attribute set, in which case,
# # inherit it from the bridge
# attrval = bridgeifaceobj.get_attr_value_first(attrname)
# if not attrval:
# continue
#else:
continue
if not stp_on:
self.logger.warn('%s: cannot set %s (stp on bridge %s not on)\n'
%(ifaceobj.name, attrname, bridgename))
continue
if not mstpd_running:
continue
try:
self.mstpctlcmd.set_bridgeport_attr(bridgename,
ifaceobj.name, dstattrname, attrval, check)
except Exception, e:
self.log_warn('%s: error setting %s (%s)'
%(ifaceobj.name, attrname, str(e)))
def _apply_bridge_port_settings_all(self, ifaceobj,
ifaceobj_getfunc=None):
self.logger.info('%s: applying mstp configuration '
%ifaceobj.name + 'specific to ports')
# Query running bridge ports. and only apply attributes on them
bridgeports = self.brctlcmd.get_bridge_ports(ifaceobj.name)
if not bridgeports:
self.logger.debug('%s: cannot find bridgeports' %ifaceobj.name)
return
for bport in bridgeports:
self.logger.info('%s: processing mstp config for port %s'
%(ifaceobj.name, bport))
if not self.ipcmd.link_exists(bport):
continue
bportifaceobjlist = ifaceobj_getfunc(bport)
if not bportifaceobjlist:
continue
for bportifaceobj in bportifaceobjlist:
# Dont process bridge port if it already has been processed
if bportifaceobj.priv_flags & self._BRIDGE_PORT_PROCESSED:
continue
try:
self._apply_bridge_port_settings(bportifaceobj,
ifaceobj.name, ifaceobj)
except Exception, e:
self.log_warn(str(e))
def _up(self, ifaceobj, ifaceobj_getfunc=None):
# Check if bridge port
bridgename = self.ipcmd.bridge_port_get_bridge_name(ifaceobj.name)
if bridgename:
mstpd_running = (True if self.mstpctlcmd.is_mstpd_running()
else False)
stp_on = (True if self.read_file_oneline(
'/sys/class/net/%s/bridge/stp_state'
%bridgename) == '2' else False)
self._apply_bridge_port_settings(ifaceobj, bridgename, None,
stp_on, mstpd_running)
ifaceobj.priv_flags |= self._BRIDGE_PORT_PROCESSED
return
if not self._is_bridge(ifaceobj):
return
stp = None
try:
porterr = False
porterrstr = ''
if ifaceobj.get_attr_value_first('mstpctl-ports'):
# If bridge ports specified with mstpctl attr, create the
# bridge and also add its ports
self.ipcmd.batch_start()
if not self.PERFMODE:
if not self.ipcmd.link_exists(ifaceobj.name):
self.ipcmd.link_create(ifaceobj.name, 'bridge')
else:
self.ipcmd.link_create(ifaceobj.name, 'bridge')
try:
self._add_ports(ifaceobj)
except Exception, e:
porterr = True
porterrstr = str(e)
pass
finally:
self.ipcmd.batch_commit()
stp = ifaceobj.get_attr_value_first('mstpctl-stp')
if stp:
self.set_iface_attr(ifaceobj, 'mstpctl-stp',
self.brctlcmd.set_stp)
else:
stp = self.brctlcmd.get_stp(ifaceobj.name)
if (self.mstpctlcmd.is_mstpd_running() and
(stp == 'yes' or stp == 'on')):
self._apply_bridge_settings(ifaceobj)
self._apply_bridge_port_settings_all(ifaceobj,
ifaceobj_getfunc=ifaceobj_getfunc)
except Exception, e:
self.log_error(str(e))
if porterr:
raise Exception(porterrstr)
def _down(self, ifaceobj, ifaceobj_getfunc=None):
if not self._is_bridge(ifaceobj):
return
try:
if ifaceobj.get_attr_value_first('mstpctl-ports'):
# If bridge ports specified with mstpctl attr, delete the
# bridge
ports = self.brctlcmd.get_bridge_ports(ifaceobj.name)
if ports:
for p in ports:
proc_file = ('/proc/sys/net/ipv6/conf/%s' %p +
'/disable_ipv6')
self.write_file(proc_file, '0')
self.brctlcmd.delete_bridge(ifaceobj.name)
except Exception, e:
self.log_error(str(e))
def _query_running_attrs(self, ifaceobjrunning):
bridgeattrdict = {}
tmpbridgeattrdict = self.mstpctlcmd.get_bridge_attrs(ifaceobjrunning.name)
if not tmpbridgeattrdict:
return bridgeattrdict
for k,v in tmpbridgeattrdict.items():
if k == 'stp' or not v:
continue
if k == 'ports':
ports = v.keys()
continue
attrname = 'mstpctl-' + k
if v and v != self.get_mod_subattr(attrname, 'default'):
bridgeattrdict[attrname] = [v]
ports = self.brctlcmd.get_bridge_ports(ifaceobjrunning.name)
if ports:
portconfig = {'mstpctl-portnetwork' : '',
'mstpctl-portpathcost' : '',
'mstpctl-portadminedge' : '',
'mstpctl-portautoedge' : '',
'mstpctl-portp2p' : '',
'mstpctl-portrestrrole' : '',
'mstpctl-portrestrtcn' : '',
'mstpctl-bpduguard' : '',
'mstpctl-treeportprio' : '',
'mstpctl-treeportcost' : ''}
for p in ports:
v = self.mstpctlcmd.get_bridgeport_attr(ifaceobjrunning.name,
p, 'portnetwork')
if v and v != 'no':
portconfig['mstpctl-portnetwork'] += ' %s=%s' %(p, v)
# XXX: Can we really get path cost of a port ???
#v = self.mstpctlcmd.get_portpathcost(ifaceobjrunning.name, p)
#if v and v != self.get_mod_subattr('mstpctl-portpathcost',
# 'default'):
# portconfig['mstpctl-portpathcost'] += ' %s=%s' %(p, v)
v = self.mstpctlcmd.get_bridgeport_attr(ifaceobjrunning.name,
p, 'portadminedge')
if v and v != 'no':
portconfig['mstpctl-portadminedge'] += ' %s=%s' %(p, v)
v = self.mstpctlcmd.get_bridgeport_attr(ifaceobjrunning.name,
p, 'portp2p')
if v and v != 'no':
portconfig['mstpctl-portp2p'] += ' %s=%s' %(p, v)
v = self.mstpctlcmd.get_bridgeport_attr(ifaceobjrunning.name,
p, 'portrestrrole')
if v and v != 'no':
portconfig['mstpctl-portrestrrole'] += ' %s=%s' %(p, v)
v = self.mstpctlcmd.get_bridgeport_attr(ifaceobjrunning.name,
p, 'portrestrtcn')
if v and v != 'no':
portconfig['mstpctl-portrestrtcn'] += ' %s=%s' %(p, v)
v = self.mstpctlcmd.get_bridgeport_attr(ifaceobjrunning.name,
p, 'bpduguard')
if v and v != 'no':
portconfig['mstpctl-bpduguard'] += ' %s=%s' %(p, v)
# XXX: Can we really get path cost of a port ???
#v = self.mstpctlcmd.get_bridgeport_attr(ifaceobjrunning.name,
# p, 'treeprio')
#if v and v != self.get_mod_subattr('mstpctl-treeportprio',
# 'default'):
# portconfig['mstpctl-treeportprio'] += ' %s=%s' %(p, v)
#v = self.mstpctlcmd.get_bridgeport_attr(ifaceobjrunning.name,
# p, 'treecost')
#if v and v != self.get_mod_subattr('mstpctl-treeportcost',
# 'default'):
# portconfig['mstpctl-treeportcost'] += ' %s=%s' %(p, v)
bridgeattrdict.update({k : [v] for k, v in portconfig.items()
if v})
return bridgeattrdict
def _query_check_bridge(self, ifaceobj, ifaceobjcurr):
# list of attributes that are not supported currently
blacklistedattrs = ['mstpctl-portpathcost',
'mstpctl-treeportprio', 'mstpctl-treeportcost']
if not self.brctlcmd.bridge_exists(ifaceobj.name):
self.logger.debug('bridge %s does not exist' %ifaceobj.name)
return
ifaceattrs = self.dict_key_subset(ifaceobj.config,
self.get_mod_attrs())
if not ifaceattrs:
return
runningattrs = self.mstpctlcmd.get_bridge_attrs(ifaceobj.name)
if not runningattrs:
runningattrs = {}
for k in ifaceattrs:
# for all mstpctl options
if k in blacklistedattrs:
continue
# get the corresponding ifaceobj attr
v = ifaceobj.get_attr_value_first(k)
if not v:
continue
# Get the running attribute
rv = runningattrs.get(k[8:])
if k == 'mstpctl-stp':
# special case stp compare because it may
# contain more than one valid values
stp_on_vals = ['on', 'yes']
stp_off_vals = ['off']
rv = self.brctlcmd.get_stp(ifaceobj.name)
if ((v in stp_on_vals and rv in stp_on_vals) or
(v in stp_off_vals and rv in stp_off_vals)):
ifaceobjcurr.update_config_with_status('mstpctl-stp', v, 0)
else:
ifaceobjcurr.update_config_with_status('mstpctl-stp', v, 1)
continue
if k == 'mstpctl-ports':
# special case ports because it can contain regex or glob
# XXX: We get all info from mstputils, which means if
# mstpd is down, we will not be returning any bridge bridgeports
running_port_list = self.brctlcmd.get_bridge_ports(ifaceobj.name)
bridge_port_list = self._get_bridge_port_list(ifaceobj)
if not running_port_list and not bridge_port_list:
continue
portliststatus = 1
if running_port_list and bridge_port_list:
difference = Set(running_port_list).symmetric_difference(
Set(bridge_port_list))
if not difference:
portliststatus = 0
ifaceobjcurr.update_config_with_status('mstpctl-ports',
' '.join(running_port_list)
if running_port_list else '', portliststatus)
elif k[:12] == 'mstpctl-port' or k == 'mstpctl-bpduguard':
# Now, look at port attributes
# derive the mstpctlcmd attr name
#mstpctlcmdattrname = k[12:] if k[:12] == 'mstpctl-port' else k[8:]
mstpctlcmdattrname = k[8:]
# for port attributes, the attributes are in a list
# <portname>=<portattrvalue>
status = 0
currstr = ''
vlist = self.parse_port_list(v)
if not vlist:
continue
for vlistitem in vlist:
try:
(p, v) = vlistitem.split('=')
currv = self.mstpctlcmd.get_bridgeport_attr(
ifaceobj.name, p, mstpctlcmdattrname)
if currv:
currstr += ' %s=%s' %(p, currv)
else:
currstr += ' %s=%s' %(p, 'None')
if currv != v:
status = 1
except Exception, e:
self.log_warn(str(e))
pass
ifaceobjcurr.update_config_with_status(k, currstr, status)
elif not rv:
ifaceobjcurr.update_config_with_status(k, '', 1)
elif v != rv:
ifaceobjcurr.update_config_with_status(k, rv, 1)
else:
ifaceobjcurr.update_config_with_status(k, rv, 0)
def _query_check_bridge_port(self, ifaceobj, ifaceobjcurr):
if not self.ipcmd.link_exists(ifaceobj.name):
#self.logger.debug('bridge port %s does not exist' %ifaceobj.name)
ifaceobjcurr.status = ifaceStatus.NOTFOUND
return
# Check if this is a bridge port
if not self._is_bridge_port(ifaceobj):
# mark all the bridge attributes as error
ifaceobjcurr.check_n_update_config_with_status_many(ifaceobj,
self._port_attrs_map.keys(), 0)
return
bridgename = self.ipcmd.bridge_port_get_bridge_name(ifaceobj.name)
# list of attributes that are not supported currently
blacklistedattrs = ['mstpctl-portpathcost',
'mstpctl-treeportprio', 'mstpctl-treeportcost']
ifaceattrs = self.dict_key_subset(ifaceobj.config,
self._port_attrs_map.keys())
if not ifaceattrs:
return
runningattrs = self.mstpctlcmd.get_bridge_attrs(ifaceobj.name)
if not runningattrs:
runningattrs = {}
for k in ifaceattrs:
# for all mstpctl options
# get the corresponding ifaceobj attr
v = ifaceobj.get_attr_value_first(k)
if not v or k in blacklistedattrs:
ifaceobjcurr.update_config_with_status(k, v, -1)
continue
currv = self.mstpctlcmd.get_bridgeport_attr(bridgename,
ifaceobj.name, self._port_attrs_map.get(k))
if currv:
if currv != v:
ifaceobjcurr.update_config_with_status(k, currv, 1)
else:
ifaceobjcurr.update_config_with_status(k, currv, 0)
else:
ifaceobjcurr.update_config_with_status(k, None, 1)
def _query_check(self, ifaceobj, ifaceobjcurr, ifaceobj_getfunc=None):
if self._is_bridge(ifaceobj):
self._query_check_bridge(ifaceobj, ifaceobjcurr)
else:
self._query_check_bridge_port(ifaceobj, ifaceobjcurr)
def _query_running_bridge_port(self, ifaceobjrunning):
bridgename = self.ipcmd.bridge_port_get_bridge_name(
ifaceobjrunning.name)
if not bridgename:
self.logger.warn('%s: unable to determine bridgename'
%ifaceobjrunning.name)
return
if self.brctlcmd.get_stp(bridgename) == 'no':
# This bridge does not run stp, return
return
# if userspace stp not set, return
if self.sysctl_get('net.bridge.bridge-stp-user-space') != '1':
return
v = self.mstpctlcmd.get_bridgeport_attr(bridgename,
ifaceobjrunning.name,
'portnetwork')
if v and v != 'no':
ifaceobjrunning.update_config('mstpctl-network', v)
# XXX: Can we really get path cost of a port ???
#v = self.mstpctlcmd.get_portpathcost(ifaceobjrunning.name, p)
#if v and v != self.get_mod_subattr('mstpctl-pathcost',
# 'default'):
# ifaceobjrunning.update_config('mstpctl-network', v)
v = self.mstpctlcmd.get_bridgeport_attr(bridgename,
ifaceobjrunning.name, 'portadminedge')
if v and v != 'no':
ifaceobjrunning.update_config('mstpctl-portadminedge', v)
v = self.mstpctlcmd.get_bridgeport_attr(bridgename,
ifaceobjrunning.name,'portp2p')
if v and v != 'auto':
ifaceobjrunning.update_config('mstpctl-portp2p', v)
v = self.mstpctlcmd.get_bridgeport_attr(bridgename,
ifaceobjrunning.name, 'portrestrrole')
if v and v != 'no':
ifaceobjrunning.update_config('mstpctl-portrestrrole', v)
v = self.mstpctlcmd.get_bridgeport_attr(bridgename,
ifaceobjrunning.name, 'restrtcn')
if v and v != 'no':
ifaceobjrunning.update_config('mstpctl-portrestrtcn', v)
v = self.mstpctlcmd.get_bridgeport_attr(bridgename,
ifaceobjrunning.name, 'bpduguard')
if v and v != 'no':
ifaceobjrunning.update_config('mstpctl-bpduguard', v)
# XXX: Can we really get path cost of a port ???
#v = self.mstpctlcmd.get_bridgeport_attr(ifaceobjrunning.name,
# p, 'treeprio')
#if v and v != self.get_mod_subattr('mstpctl-treeportprio',
# 'default'):
# portconfig['mstpctl-treeportprio'] += ' %s=%s' %(p, v)
#v = self.mstpctlcmd.get_bridgeport_attr(ifaceobjrunning.name,
# p, 'treecost')
#if v and v != self.get_mod_subattr('mstpctl-treeportcost',
# 'default'):
# portconfig['mstpctl-treeportcost'] += ' %s=%s' %(p, v)
def _query_running_bridge(self, ifaceobjrunning):
if self.brctlcmd.get_stp(ifaceobjrunning.name) == 'no':
# This bridge does not run stp, return
return
# if userspace stp not set, return
if self.sysctl_get('net.bridge.bridge-stp-user-space') != '1':
return
# Check if mstp really knows about this bridge
if not self.mstpctlcmd.mstpbridge_exists(ifaceobjrunning.name):
return
ifaceobjrunning.update_config_dict(self._query_running_attrs(
ifaceobjrunning))
def _query_running(self, ifaceobjrunning, **extra_args):
if self.brctlcmd.bridge_exists(ifaceobjrunning.name):
self._query_running_bridge(ifaceobjrunning)
elif self.brctlcmd.is_bridge_port(ifaceobjrunning.name):
self._query_running_bridge_port(ifaceobjrunning)
_run_ops = {'pre-up' : _up,
'post-down' : _down,
'query-checkcurr' : _query_check,
'query-running' : _query_running}
def get_ops(self):
""" returns list of ops supported by this module """
return self._run_ops.keys()
def _init_command_handlers(self):
flags = self.get_flags()
if not self.ipcmd:
self.ipcmd = iproute2(**flags)
if not self.brctlcmd:
self.brctlcmd = brctl(**flags)
if not self.mstpctlcmd:
self.mstpctlcmd = mstpctlutil(**flags)
def run(self, ifaceobj, operation, query_ifaceobj=None,
ifaceobj_getfunc=None, **extra_args):
""" run mstp configuration on the interface object passed as argument
Args:
**ifaceobj** (object): iface object
**operation** (str): any of 'pre-up', 'post-down', 'query-checkcurr',
'query-running'
Kwargs:
**query_ifaceobj** (object): query check ifaceobject. This is only
valid when op is 'query-checkcurr'. It is an object same as
ifaceobj, but contains running attribute values and its config
status. The modules can use it to return queried running state
of interfaces. status is success if the running state is same
as user required state in ifaceobj. error otherwise.
"""
if ifaceobj.type == ifaceType.BRIDGE_VLAN:
return
op_handler = self._run_ops.get(operation)
if not op_handler:
return
self._init_command_handlers()
if operation == 'query-checkcurr':
op_handler(self, ifaceobj, query_ifaceobj,
ifaceobj_getfunc=ifaceobj_getfunc)
else:
op_handler(self, ifaceobj, ifaceobj_getfunc=ifaceobj_getfunc)