270 lines
8.1 KiB
Python
Executable File
270 lines
8.1 KiB
Python
Executable File
#!/usr/bin/python
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# Copyright 2016 Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import argparse
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import logging
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import os
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import pwd
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import shutil
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import socket
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import subprocess
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import sys
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import time
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import copy
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import tempfile
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import getpass
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from ipapython.ipautil import run, kinit_password, user_input
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from ipalib import api
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from ipalib import errors
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from novajoin.errors import ConfigurationError
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from novajoin import configure_ipa
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from six.moves import input
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from six.moves.configparser import ConfigParser
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from subprocess import CalledProcessError
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from string import Template
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DATADIR = '/usr/share/novajoin'
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NOVADIR = '/etc/nova'
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IPACONF = '/etc/ipa/default.conf'
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NOVACONF = '/etc/nova/nova.conf'
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JOINCONF = '/etc/join/join.conf'
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LOGFILE = '/var/log/novajoin-install.log'
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logger = logging.getLogger()
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def openlogs():
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global logger # pylint: disable=W0603
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if os.path.isfile(LOGFILE):
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try:
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created = '%s' % time.strftime(
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'%Y%m%d%H%M%SZ', time.gmtime(os.path.getctime(LOGFILE)))
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shutil.move(LOGFILE, '%s.%s' % (LOGFILE, created))
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except IOError:
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pass
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logger = logging.getLogger()
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try:
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lh = logging.FileHandler(LOGFILE)
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except IOError as e:
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print >> sys.stderr, 'Unable to open %s (%s)' % (LOGFILE, str(e))
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lh = logging.StreamHandler(sys.stderr)
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formatter = logging.Formatter('[%(asctime)s] %(message)s')
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lh.setFormatter(formatter)
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lh.setLevel(logging.DEBUG)
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logger.addHandler(lh)
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logger.propagate = False
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ch = logging.StreamHandler(sys.stdout)
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formatter = logging.Formatter('%(message)s')
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ch.setFormatter(formatter)
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ch.setLevel(logging.INFO)
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logger.addHandler(ch)
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def write_from_template(destfile, template, opts):
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with open(template) as f:
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t = Template(f.read())
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text = t.substitute(**opts)
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with open(destfile, 'w+') as f:
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f.write(text)
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logger.debug(destfile)
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logger.debug(text)
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def install(args):
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logger.info('Installation initiated')
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if not os.path.exists(IPACONF):
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raise ConfigurationError('Must be enrolled in IPA')
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try:
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os.environ['OS_PASSWORD']
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os.environ['OS_USERNAME']
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os.environ['OS_AUTH_URL']
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except KeyError as e:
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raise ConfigurationError('%s environment variable not set.'
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% e.message)
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api.bootstrap(context='novajoin')
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api.finalize()
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try:
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api.Backend.rpcclient.connect()
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except errors.CCacheError:
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raise ConfigurationError("No Kerberos credentials")
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try:
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user = pwd.getpwnam(args['user'])
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except KeyError:
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raise ConfigurationError('User: %s not found on the system' %
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args['user'])
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logger.info('Installing default config files')
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confopts = {'FQDN': args['hostname'],
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'MASTER': api.env.server, # pylint: disable=no-member
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'DOMAIN': api.env.domain, # pylint: disable=no-member
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'KEYSTONE_AUTH_URL': args['keystone_auth_url'],
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'NOVA_PASSWORD': args['nova_password'],
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}
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write_from_template(JOINCONF,
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os.path.join(DATADIR, 'join.conf.template'),
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confopts)
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FILES = ['cloud-config.json']
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for fn in FILES:
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dst = os.path.join(NOVADIR, fn)
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source = os.path.join(DATADIR, fn)
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logger.info('Installing %s' % dst)
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shutil.copyfile(source, dst)
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config = ConfigParser()
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config.read(NOVACONF)
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config.set('DEFAULT',
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'vendordata_jsonfile_path',
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'/etc/nova/cloud-config.json')
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# set the default domain to the IPA domain. This is added to the
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# instance name to set the hostname.
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config.set('DEFAULT',
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'dhcp_domain',
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api.env.domain)
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# Novajoin service
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config.set('DEFAULT',
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'vendordata_providers',
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'StaticJSON, DynamicJSON')
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config.set('DEFAULT',
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'vendordata_dynamic_targets',
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'join@http://127.0.0.1:9999/v1/')
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# Notifications
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config.set('DEFAULT',
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'notification_topic',
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'notifications')
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config.set('DEFAULT',
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'notify_on_state_change',
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'vm_state')
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try:
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transport_url = config.get('DEFAULT', 'transport_url')
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except ConfigParser.NoOptionError:
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transport_url = None
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with open(NOVACONF, 'w') as f:
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config.write(f)
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if transport_url:
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join_config = ConfigParser()
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join_config.read(JOINCONF)
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join_config.set('DEFAULT', 'transport_url', transport_url)
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with open(JOINCONF, 'w') as f:
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join_config.write(f)
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logger.info('Importing IPA metadata')
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(stdout, stderr, returncode) = run(
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['glance',
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'--os-image-api-version',
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'2',
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'md-namespace-import',
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'--file',
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'/usr/share/novajoin/freeipa.json'], raiseonerr=False)
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if returncode != 0:
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logger.error('Adding IPA metadata failed: %s' % stderr)
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logger.info('Creating IPA permissions')
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novajoin = configure_ipa.NovajoinRole(user=args.get('user'))
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if not args.get('no_kinit', False):
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novajoin.kinit(args.get('principal'), args.get('password'))
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novajoin.configure_ipa()
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def parse_args():
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parser = argparse.ArgumentParser(description='Nova join Install Options')
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parser.add_argument('--hostname',
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help='Machine\'s fully qualified host name')
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parser.add_argument('--keystone-auth-url', dest='keystone_auth_url',
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help='Keystone auth URL')
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parser.add_argument('--nova-password', dest='nova_password',
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help='Nova service user password')
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parser = configure_ipa.ipa_options(parser)
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args = vars(parser.parse_args())
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configure_ipa.validate_options(args)
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if not args['hostname']:
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args['hostname'] = socket.getfqdn()
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if len(args['hostname'].split('.')) < 2:
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raise ConfigurationError('Hostname: %s is not a FQDN' %
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args['hostname'])
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if not args['keystone_auth_url']:
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args['keystone_auth_url'] = user_input("Keystone auth URL", "",
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allow_empty=False)
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if not args['nova_password']:
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try:
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args['nova_password'] = getpass.getpass("nova service Password: ")
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except EOFError:
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args['nova_password'] = None
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if not args['nova_password']:
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raise ConfigurationError('nova service user password required.')
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try:
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pwd.getpwnam(args['user'])
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except KeyError:
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raise ConfigurationError('User: %s not found on the system' %
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args['user'])
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return args
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if __name__ == '__main__':
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opts = []
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out = 0
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openlogs()
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logger.setLevel(logging.DEBUG)
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try:
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opts = parse_args()
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logger.debug('Installation arguments:')
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for k in sorted(opts.iterkeys()):
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logger.debug('%s: %s', k, opts[k])
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install(opts)
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except Exception as e: # pylint: disable=broad-except
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logger.info(str(e)) # emit message to console
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logger.debug(e, exc_info=1) # add backtrace information to logfile
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logger.info('Installation aborted.')
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logger.info('See log file %s for details' % LOGFILE)
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out = 1
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except SystemExit:
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out = 1
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raise
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finally:
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if out == 0:
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logger.info('Installation complete.')
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logger.info(
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'Please restart nova-api to enable the join service.')
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sys.exit(out)
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