20089330 Horizon reports "Error: Unable to contact Neutron" on large data set
20103259 unable to delete instance, reports "EVS controller: vport in use"
19970607 disabling neutron smf services does not remove services' vports
18091479 unable delete a port that was associated with incomplete zone
#!/usr/bin/python2.6
# Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import os
import re
import sys
import smf_include
from subprocess import CalledProcessError, Popen, PIPE, check_call
def start():
# verify paths are valid
for f in sys.argv[2:4]:
if not os.path.exists(f) or not os.access(f, os.R_OK):
print '%s does not exist or is not readable' % f
return smf_include.SMF_EXIT_ERR_CONFIG
cmd = "/usr/lib/neutron/neutron-dhcp-agent --config-file %s " \
"--config-file %s" % tuple(sys.argv[2:4])
smf_include.smf_subprocess(cmd)
def stop():
try:
# first kill the SMF contract
check_call(["/usr/bin/pkill", "-c", sys.argv[2]])
except CalledProcessError as err:
print "failed to kill the SMF contract: %s" % err
return smf_include.SMF_EXIT_ERR_FATAL
cmd = ["/usr/sbin/ipadm", "show-if", "-p", "-o", "ifname"]
p = Popen(cmd, stdout=PIPE, stderr=PIPE)
output, error = p.communicate()
if p.returncode != 0:
print "failed to retrieve IP interface names"
return smf_include.SMF_EXIT_ERR_FATAL
ifnames = output.splitlines()
# DHCP agent datalinks are always 15 characters in length. They start with
# 'evs', end with '_0', and in between they are hexadecimal digits.
prog = re.compile('evs[0-9A-Fa-f\_]{10}_0')
for ifname in ifnames:
if not prog.search(ifname):
continue
try:
# first remove the IP
check_call(["/usr/bin/pfexec", "/usr/sbin/ipadm", "delete-ip",
ifname])
# get the tenant, evs, and vport name for the VNIC
cmd = ["/usr/sbin/dladm", "show-vnic", "-po",
"tenant,evs,vport", ifname]
p = Popen(cmd, stdout=PIPE, stderr=PIPE)
output, error = p.communicate()
if p.returncode != 0:
print "failed to retrieve Tenant, EVS," \
" and VPort info for a VNIC"
return smf_include.SMF_EXIT_ERR_FATAL
tenant, evs, vport = output.strip().split(':')
# next remove the VNIC
check_call(["/usr/bin/pfexec", "/usr/sbin/dladm", "delete-vnic",
ifname])
# remove the EVS VPort
check_call(["/usr/sbin/evsadm", "remove-vport", "-T", tenant,
"%s/%s" % (evs, vport)])
except CalledProcessError as err:
print "failed to remove datalinks used by DHCP agent: %s" % err
return smf_include.SMF_EXIT_ERR_FATAL
return smf_include.SMF_EXIT_OK
if __name__ == "__main__":
os.putenv("LC_ALL", "C")
smf_include.smf_main()