#!/usr/bin/python # Copyright 2016 Red Hat, Inc. # # 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 argparse import logging import os import pwd import shutil import socket import subprocess import sys import time import copy import tempfile import getpass from ipapython.ipautil import run, user_input from ipalib import api from ipalib import errors from novajoin.errors import ConfigurationError from novajoin import configure_ipa from six.moves import input from six.moves.configparser import SafeConfigParser, NoOptionError from subprocess import CalledProcessError from string import Template from urllib3.util import parse_url try: from ipapython.ipautil import kinit_password except ImportError: # The import moved in freeIPA 4.5.0 from ipalib.install.kinit import kinit_password DATADIR = '/usr/share/novajoin' NOVADIR = '/etc/nova' IPACONF = '/etc/ipa/default.conf' NOVACONF = '/etc/nova/nova.conf' JOINCONF = '/etc/novajoin/join.conf' LOGFILE = '/var/log/novajoin-install.log' logger = logging.getLogger() def openlogs(): global logger # pylint: disable=W0603 if os.path.isfile(LOGFILE): try: created = '%s' % time.strftime( '%Y%m%d%H%M%SZ', time.gmtime(os.path.getctime(LOGFILE))) shutil.move(LOGFILE, '%s.%s' % (LOGFILE, created)) except IOError: pass logger = logging.getLogger() try: lh = logging.FileHandler(LOGFILE) except IOError as e: print >> sys.stderr, 'Unable to open %s (%s)' % (LOGFILE, str(e)) lh = logging.StreamHandler(sys.stderr) formatter = logging.Formatter('[%(asctime)s] %(message)s') lh.setFormatter(formatter) lh.setLevel(logging.DEBUG) logger.addHandler(lh) logger.propagate = False ch = logging.StreamHandler(sys.stdout) formatter = logging.Formatter('%(message)s') ch.setFormatter(formatter) ch.setLevel(logging.INFO) logger.addHandler(ch) def install(opts): logger.info('Installation initiated') if not os.path.exists(IPACONF): raise ConfigurationError('Must be enrolled in IPA') try: os.environ['OS_PASSWORD'] os.environ['OS_USERNAME'] os.environ['OS_AUTH_URL'] except KeyError as e: raise ConfigurationError('%s environment variable not set.' % e.message) try: user = pwd.getpwnam(opts.user) except KeyError: raise ConfigurationError('User: %s not found on the system' % opts.user) api.bootstrap(context='novajoin') api.finalize() novajoin = configure_ipa.NovajoinRole(user=opts.user) if not opts.no_kinit: novajoin.kinit(opts.principal, api.env.realm, opts.password) try: api.Backend.rpcclient.connect() except errors.CCacheError: raise ConfigurationError("No Kerberos credentials") logger.info('Installing default config files') keystone_url = parse_url(opts.keystone_auth_url) config = SafeConfigParser() config.read(JOINCONF) config.set('DEFAULT', 'domain', api.env.domain) # pylint: disable=no-member config.set('DEFAULT', 'api_paste_config', '/etc/novajoin/join-api-paste.ini') config.set('DEFAULT', 'log_dir', '/var/log/novajoin') if not config.has_section('service_credentials'): config.add_section('service_credentials') config.set('service_credentials', 'auth_url', opts.keystone_auth_url) config.set('service_credentials', 'password', opts.nova_password) config.set('service_credentials', 'username', 'nova') config.set('service_credentials', 'auth_type', 'password') config.set('service_credentials', 'project_domain_name', 'default') config.set('service_credentials', 'project_name', opts.project_name) config.set('service_credentials', 'user_domain_id', 'default') if not config.has_section('keystone_authtoken'): config.add_section('keystone_authtoken') config.set('keystone_authtoken', 'memcached_servers', '%s:11211' % keystone_url.hostname) config.set('keystone_authtoken', 'project_name', opts.project_name) config.set('keystone_authtoken', 'password', opts.nova_password) config.set('keystone_authtoken', 'username', 'nova') config.set('keystone_authtoken', 'auth_url', opts.keystone_auth_url) config.set('keystone_authtoken', 'auth_type', 'password') config.set('keystone_authtoken', 'project_domain_name', 'default') config.set('keystone_authtoken', 'user_domain_id', 'default') with open(JOINCONF, 'w') as f: config.write(f) config = SafeConfigParser() config.read(NOVACONF) config.set('DEFAULT', 'vendordata_jsonfile_path', '/etc/nova/cloud-config-novajoin.json') # set the default domain to the IPA domain. This is added to the # instance name to set the hostname. config.set('DEFAULT', 'dhcp_domain', api.env.domain) # Novajoin service config.set('DEFAULT', 'vendordata_providers', 'StaticJSON, DynamicJSON') config.set('DEFAULT', 'vendordata_dynamic_targets', 'join@http://127.0.0.1:9090/v1/') # Notifications config.set('DEFAULT', 'notification_topic', 'notifications') config.set('DEFAULT', 'notify_on_state_change', 'vm_state') if not config.has_section('vendordata_dynamic_auth'): config.add_section('vendordata_dynamic_auth') config.set('vendordata_dynamic_auth', 'project_name', opts.project_name) config.set('vendordata_dynamic_auth', 'password', opts.nova_password) config.set('vendordata_dynamic_auth', 'username', 'nova') config.set('vendordata_dynamic_auth', 'auth_url', opts.keystone_auth_url) config.set('vendordata_dynamic_auth', 'auth_type', 'password') config.set('vendordata_dynamic_auth', 'project_domain_name', 'default') config.set('vendordata_dynamic_auth', 'user_domain_id', 'default') try: transport_url = config.get('DEFAULT', 'transport_url') except NoOptionError: transport_url = None with open(NOVACONF, 'w') as f: config.write(f) if transport_url: join_config = SafeConfigParser() join_config.read(JOINCONF) join_config.set('DEFAULT', 'transport_url', transport_url) with open(JOINCONF, 'w') as f: join_config.write(f) logger.info('Importing IPA metadata') (stdout, stderr, returncode) = run( ['glance', '--os-image-api-version', '2', 'md-namespace-import', '--file', '/usr/share/novajoin/freeipa.json'], raiseonerr=False) if returncode != 0: logger.error('Adding IPA metadata failed: %s' % stderr) logger.info('Creating IPA permissions') novajoin.configure_ipa(precreate=False) def parse_args(): parser = argparse.ArgumentParser(description='Nova join Install Options') parser.add_argument('--keystone-auth-url', dest='keystone_auth_url', help='Keystone auth URL', default=None) parser.add_argument('--nova-password', dest='nova_password', help='Nova service user password', default=None) parser.add_argument('--project', dest='project_name', help='Keystone project', default='service') parser = configure_ipa.ipa_options(parser) opts = parser.parse_args() configure_ipa.validate_options(opts) if not opts.keystone_auth_url: opts.keystone_auth_url = user_input("Keystone auth URL", "", allow_empty=False) if not opts.nova_password: try: opts.nova_password = getpass.getpass("nova service Password: ") except EOFError: opts.nova_password = None if not opts.nova_password: raise ConfigurationError('nova service user password required.') try: pwd.getpwnam(opts.user) except KeyError: raise ConfigurationError('User: %s not found on the system' % opts.user) return opts if __name__ == '__main__': opts = [] out = 0 openlogs() logger.setLevel(logging.DEBUG) try: opts = parse_args() logger.debug('Installation arguments:') logger.debug(opts) install(opts) except Exception as e: # pylint: disable=broad-except logger.info(str(e)) # emit message to console logger.debug(e, exc_info=1) # add backtrace information to logfile logger.info('Installation aborted.') logger.info('See log file %s for details' % LOGFILE) out = 1 except SystemExit: out = 1 raise finally: if out == 0: logger.info('Installation complete.') logger.info( 'Please restart nova-api to enable the join service.') sys.exit(out)