swift-upgrade revision 4070
4070N/A#!/usr/bin/python2.6
4070N/A
4070N/A# Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
4070N/A#
4070N/A# Licensed under the Apache License, Version 2.0 (the "License"); you may
4070N/A# not use this file except in compliance with the License. You may obtain
4070N/A# a copy of the License at
4070N/A#
4070N/A# http://www.apache.org/licenses/LICENSE-2.0
4070N/A#
4070N/A# Unless required by applicable law or agreed to in writing, software
4070N/A# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
4070N/A# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
4070N/A# License for the specific language governing permissions and limitations
4070N/A# under the License.
4070N/A
4070N/Afrom ConfigParser import NoOptionError
4070N/Afrom datetime import datetime
4070N/Aimport errno
4070N/Aimport glob
4070N/Aimport os
4070N/Aimport shutil
4070N/Afrom subprocess import check_call, Popen, PIPE
4070N/Aimport sys
4070N/Aimport traceback
4070N/A
4070N/Aimport iniparse
4070N/Aimport smf_include
4070N/A
4070N/A
4070N/Adef modify_conf(old_file):
4070N/A """ Copy over all uncommented options from the old configuration file.
4070N/A """
4070N/A
4070N/A new_file = old_file + '.new'
4070N/A
4070N/A # open the previous version
4070N/A old = iniparse.ConfigParser()
4070N/A old.readfp(open(old_file))
4070N/A
4070N/A # open the new version
4070N/A new = iniparse.ConfigParser()
4070N/A try:
4070N/A new.readfp(open(new_file))
4070N/A except IOError as err:
4070N/A if err.errno == errno.ENOENT:
4070N/A # The upgrade did not deliver a .new file so, return
4070N/A print "%s not found - continuing with %s" % (new_file, old_file)
4070N/A return
4070N/A else:
4070N/A raise
4070N/A print "\nupdating %s" % old_file
4070N/A
4070N/A # walk every single section for uncommented options
4070N/A default_items = set(old.items('DEFAULT'))
4070N/A for section in old.sections() + ['DEFAULT']:
4070N/A
4070N/A # DEFAULT items show up in every section so remove them
4070N/A if section != 'DEFAULT':
4070N/A section_items = set(old.items(section)) - default_items
4070N/A else:
4070N/A section_items = default_items
4070N/A
4070N/A for key, value in section_items:
4070N/A # keep a copy of the old value
4070N/A oldvalue = value
4070N/A
4070N/A if not new.has_section(section):
4070N/A if section != 'DEFAULT':
4070N/A new.add_section(section)
4070N/A
4070N/A # print to the log when a value for the same section.key is
4070N/A # changing to a new value
4070N/A try:
4070N/A new_value = new.get(section, key)
4070N/A if new_value != value and '%SERVICE' not in new_value:
4070N/A print "Changing [%s] %s:\n- %s\n+ %s" % \
4070N/A (section, key, oldvalue, new_value)
4070N/A print
4070N/A except NoOptionError:
4070N/A # the new configuration file does not have this option set so
4070N/A # just continue
4070N/A pass
4070N/A
4070N/A # Only copy the old value to the new conf file if the entry doesn't
4070N/A # exist or if it contains '%SERVICE'
4070N/A if not new.has_option(section, key) or \
4070N/A '%SERVICE' in new.get(section, key):
4070N/A new.set(section, key, value)
4070N/A
4070N/A # copy the old conf file to a backup
4070N/A today = datetime.now().strftime("%Y%m%d%H%M%S")
4070N/A shutil.copy2(old_file, old_file + '.' + today)
4070N/A
4070N/A # copy the new conf file in place
4070N/A with open(old_file, 'wb+') as fh:
4070N/A new.write(fh)
4070N/A
4070N/A
4070N/Adef start():
4070N/A # pull out the current version of config/upgrade-id
4070N/A p = Popen(['/usr/bin/svcprop', '-p', 'config/upgrade-id',
4070N/A os.environ['SMF_FMRI']], stdout=PIPE, stderr=PIPE)
4070N/A curr_ver, _err = p.communicate()
4070N/A curr_ver = curr_ver.strip()
4070N/A
4070N/A # extract the openstack-upgrade-id from the pkg
4070N/A p = Popen(['/usr/bin/pkg', 'contents', '-H', '-t', 'set', '-o', 'value',
4070N/A '-a', 'name=openstack.upgrade-id',
4070N/A 'pkg:/cloud/openstack/swift'], stdout=PIPE, stderr=PIPE)
4070N/A pkg_ver, _err = p.communicate()
4070N/A pkg_ver = pkg_ver.strip()
4070N/A
4070N/A if curr_ver == pkg_ver:
4070N/A # No need to upgrade
4070N/A sys.exit(smf_include.SMF_EXIT_OK)
4070N/A
4070N/A # look for any .new files
4070N/A if glob.glob('/etc/swift/*.new'):
4070N/A # the versions are different, so perform an upgrade
4070N/A # modify the configuration files
4070N/A modify_conf('/etc/swift/account-server.conf')
4070N/A modify_conf('/etc/swift/container-reconciler.conf')
4070N/A modify_conf('/etc/swift/container-server.conf')
4070N/A modify_conf('/etc/swift/container-sync-realms.conf')
4070N/A modify_conf('/etc/swift/dispersion.conf')
4070N/A modify_conf('/etc/swift/memcache.conf')
4070N/A modify_conf('/etc/swift/object-expirer.conf')
4070N/A modify_conf('/etc/swift/object-server.conf')
4070N/A modify_conf('/etc/swift/proxy-server.conf')
4070N/A modify_conf('/etc/swift/swift.conf')
4070N/A
4070N/A # update the current version
4070N/A check_call(['/usr/sbin/svccfg', '-s', os.environ['SMF_FMRI'], 'setprop',
4070N/A 'config/upgrade-id', '=', pkg_ver])
4070N/A check_call(['/usr/sbin/svccfg', '-s', os.environ['SMF_FMRI'], 'refresh'])
4070N/A
4070N/A sys.exit(smf_include.SMF_EXIT_OK)
4070N/A
4070N/A
4070N/Aif __name__ == '__main__':
4070N/A os.putenv('LC_ALL', 'C')
4070N/A try:
4070N/A smf_include.smf_main()
4070N/A except Exception as err:
4070N/A print 'Unknown error: %s' % err
4070N/A print
4070N/A traceback.print_exc(file=sys.stdout)
4070N/A sys.exit(smf_include.SMF_EXIT_ERR_FATAL)