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upgrade.py
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upgrade.py
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#!/usr/bin/python
#
# Copyright (c) 2015 Juniper Networks, Inc. All rights reserved.
#
"""Upgrade's Contrail Openstack components."""
from copy import deepcopy
from distutils.version import LooseVersion
from setup import OpenstackSetup
from contrail_provisioning.common.upgrade import ContrailUpgrade
from fabric.context_managers import settings
from fabric.api import local
class OpenstackUpgrade(ContrailUpgrade, OpenstackSetup):
def __init__(self, args_str=None):
ContrailUpgrade.__init__(self)
OpenstackSetup.__init__(self)
self.update_upgrade_data()
if self.pdist in ['Ubuntu']:
self.openstack_services = ['supervisor-openstack']
else:
self.openstack_services = ['openstack-cinder-api', 'openstack-cinder-scheduler',
'openstack-glance-api', 'openstack-glance-registry',
'openstack-heat-api', 'openstack-heat-engine',
'openstack-keystone', 'openstack-nova-api',
'openstack-nova-conductor', 'openstack-nova-consoleauth',
'openstack-nova-novncproxy', 'openstack-nova-scheduler']
def update_upgrade_data(self):
self.upgrade_data['upgrade'] = self._args.packages
if self.pdist not in ['Ubuntu']:
self.upgrade_data['upgrade'].append('openstack-dashboard')
backup_data = ['/etc/keystone',
'/etc/glance',
'/etc/nova',
'/etc/cinder']
if self._args.internal_vip:
backup_data += ['/etc/mysql',
'/etc/keepalived',
'/etc/cmon.cnf']
self.upgrade_data['backup'] += backup_data
self.upgrade_data['restore'] = self.upgrade_data['backup']
# Never restore /etc/contrail fully, Because all contrail
# services share same config dir, During upgrade rerun
# restoring whole /etc/contrail will replace config files
# with older version
self.upgrade_data['restore'].remove('/etc/contrail')
def stop(self):
openstack_services = deepcopy(self.openstack_services)
if self.pdist in ['centos']:
contrail_os_version = local("rpm -q --qf '%{V}\\n' contrail-openstack", capture=True)
if LooseVersion(contrail_os_version) <= LooseVersion('3.0.2.0'):
openstack_services = ['supervisor-openstack']
with settings(warn_only=True):
for service in openstack_services:
if ('running' in
local('service %s status' % service,
capture=True)):
local('service %s stop' % service)
def restart(self):
# From R3.1, openstack services moved from supervisor-openstack
# and will run as native systemd services
if self.pdist in ['centos']:
with settings(warn_only=True):
local('systemctl daemon-reload')
for service in self.openstack_services:
# To ensure, services are enabled as we transition from sysV to
# systemd openstack services in R3.1
if self.pdist in ['centos']:
with settings(warn_only=True):
local('systemctl enable %s' % service)
local('service %s restart' % service)
def fix_cmon_param_file(self):
with settings(warn_only=True):
cmon_param = '/etc/contrail/ha/cmon_param'
local("grep -q '# New Param in 2.1 #' %s || echo '# New Param in 2.1 #' >> %s" % (cmon_param, cmon_param))
local("sed -i '/EVIP/d' %s" % cmon_param)
local("sed -i '$ a\EVIP=%s' %s" % (self._args.external_vip, cmon_param))
local("grep -q '# Modified Params in 2.2 #' %s || echo '# Modified Params in 2.2 #' >> %s" % (cmon_param, cmon_param))
local("sed -i '/PERIODIC_RMQ_CHK_INTER/d' %s" % cmon_param)
local("sed -i '$ a\PERIODIC_RMQ_CHK_INTER=60' %s" % cmon_param)
local("sed -i '/RABBITMQ_RESET/d' %s" % cmon_param)
local("sed -i '$ a\RABBITMQ_RESET=True' %s" % cmon_param)
local("sed -i '/RABBITMQ_MNESIA_CLEAN/d' %s" % cmon_param)
local("sed -i '$ a\RABBITMQ_MNESIA_CLEAN=False' %s" % cmon_param)
local("sed -i '/RMQ_CLIENTS/d' %s" % cmon_param)
local("sed -i '$ a\RMQ_CLIENTS=(\"nova-conductor\" \"nova-scheduler\")' %s" % cmon_param)
def fix_cmon_config(self):
with settings(warn_only=True):
local('service contrail-hamon stop')
local('kill -9 $(pidof cmon)')
local("mysql -uroot -p$(cat /etc/contrail/mysql.token) -e 'drop database cmon'")
local("sed -i '/pidfile=\/var\/run\//c\pidfile=\/var\/run\/cmon\/' /etc/cmon.cnf")
def fix_haproxy_config(self):
with settings(warn_only=True):
hap_cfg = '/etc/haproxy/haproxy.cfg'
local("sed -i -e 's/timeout client 48h/timeout client 0/g' %s" % hap_cfg)
local("sed -i -e 's/timeout server 48h/timeout server 0/g' %s" % hap_cfg)
local("sed -i -e 's/timeout client 24h/timeout client 0/g' %s" % hap_cfg)
local("sed -i -e 's/timeout server 24h/timeout server 0/g' %s" % hap_cfg)
def fix_nova_config_kv3_params(self):
local("openstack-config --set /etc/nova/nova.conf neutron project_domain_name Default")
local("openstack-config --set /etc/nova/nova.conf neutron user_domain_name Default")
def upgrade(self):
self.stop()
self._upgrade()
# In Rel 2.0 and 2.1, the cmon was started as part of CMON monitor
# script so that we could give a specific runtime directory.
# From 2.2, we are using the conf file to specify the runtime
# directory parameter.
# Also, from 2.2, CMON tables are being
# removed from Galera clustering. Hence, the following change
# will drop CMON DB and re-provision CMON.
if (self._args.internal_vip and
self._args.from_rel <= LooseVersion('2.20') and
self._args.to_rel >= LooseVersion('2.20')):
self.fix_cmon_config()
self.fix_cmon_param_file()
self.fix_haproxy_config()
# In 3.2+, nova.conf [neutron] extra parameters are created for v3
if ('v3' in self._args.keystone_version and
self._args.from_rel <= LooseVersion('3.1.2.0')):
self.fix_nova_config_kv3_params()
self.restart()
def main():
openstack = OpenstackUpgrade()
openstack.upgrade()
if __name__ == "__main__":
main()