openstack
/
instack-undercloud
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instack-undercloud/instack_undercloud/undercloud.py

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Python
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# Copyright 2015 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 copy
import errno
import getpass
import glob
import hashlib
import logging
import os
import platform
import socket
import subprocess
import uuid
from novaclient import client as novaclient
from novaclient import exceptions
from oslo_config import cfg
import psutil
import six
# Making these values properties on a class allows us to delay their lookup,
# which makes testing code that interacts with these files much easier.
# NOTE(bnemec): The unit tests rely on these paths being in ~. If they are
# ever moved the tests may need to be updated to avoid overwriting real files.
class Paths(object):
@property
def CONF_PATH(self):
return os.path.expanduser('~/undercloud.conf')
# NOTE(bnemec): Deprecated
@property
def ANSWERS_PATH(self):
return os.path.expanduser('~/instack.answers')
@property
def PASSWORD_PATH(self):
return os.path.expanduser('~/undercloud-passwords.conf')
@property
def LOG_FILE(self):
return os.path.expanduser('~/.instack/install-undercloud.log')
PATHS = Paths()
DEFAULT_LOG_LEVEL = logging.DEBUG
DEFAULT_LOG_FORMAT = '%(asctime)s %(levelname)s: %(message)s'
LOG = None
CONF = cfg.CONF
COMPLETION_MESSAGE = """
#############################################################################
Undercloud install complete.
The file containing this installation's passwords is at
%(password_path)s.
There is also a stackrc file at %(stackrc_path)s.
These files are needed to interact with the OpenStack services, and should be
secured.
#############################################################################
"""
# We need 4 GB, leave a little room for variation in what 4 GB means on
# different platforms.
REQUIRED_MB = 3750
# When adding new options to the lists below, make sure to regenerate the
# sample config by running "tox -e genconfig" in the project root.
_opts = [
cfg.StrOpt('image_path',
default='.',
help=('Local file path to the necessary images. The path '
'should be a directory readable by the current user '
'that contains the full set of images.'),
),
cfg.StrOpt('undercloud_hostname',
help=('Fully qualified hostname (including domain) to set on '
'the Undercloud. If left unset, the '
'current hostname will be used, but the user is '
'responsible for configuring all system hostname '
'settings appropriately. If set, the undercloud install '
'will configure all system hostname settings.'),
),
cfg.StrOpt('local_ip',
default='192.0.2.1/24',
help=('IP information for the interface on the Undercloud '
'that will be handling the PXE boots and DHCP for '
'Overcloud instances. The IP portion of the value will '
'be assigned to the network interface defined by '
'local_interface, with the netmask defined by the '
'prefix portion of the value.')
),
cfg.StrOpt('network_gateway',
default='192.0.2.1',
help=('Network gateway for the Neutron-managed network for '
'Overcloud instances. This should match the local_ip '
'above when using masquerading.')
),
cfg.StrOpt('undercloud_public_vip',
default='192.0.2.2',
help=('Virtual IP address to use for the public endpoints of '
'Undercloud services. Only used if '
'undercloud_service_certficate is set.')
),
cfg.StrOpt('undercloud_admin_vip',
default='192.0.2.3',
help=('Virtual IP address to use for the admin endpoints of '
'Undercloud services. Only used if '
'undercloud_service_certficate is set.')
),
cfg.StrOpt('undercloud_service_certificate',
default='',
help=('Certificate file to use for OpenStack service SSL '
'connections. Setting this enables SSL for the '
'OpenStack API endpoints, leaving it unset disables SSL.')
),
cfg.StrOpt('local_interface',
default='eth1',
help=('Network interface on the Undercloud that will be '
'handling the PXE boots and DHCP for Overcloud '
'instances.')
),
cfg.StrOpt('network_cidr',
default='192.0.2.0/24',
help=('Network CIDR for the Neutron-managed network for '
'Overcloud instances. This should be the subnet used '
'for PXE booting.')
),
cfg.StrOpt('masquerade_network',
default='192.0.2.0/24',
help=('Network that will be masqueraded for external access, '
'if required. This should be the subnet used for PXE '
'booting.')
),
cfg.StrOpt('dhcp_start',
default='192.0.2.5',
help=('Start of DHCP allocation range for PXE and DHCP of '
'Overcloud instances.')
),
cfg.StrOpt('dhcp_end',
default='192.0.2.24',
help=('End of DHCP allocation range for PXE and DHCP of '
'Overcloud instances.')
),
cfg.StrOpt('inspection_interface',
default='br-ctlplane',
deprecated_name='discovery_interface',
help=('Network interface on which inspection dnsmasq will '
'listen. If in doubt, use the default value.')
),
cfg.StrOpt('inspection_iprange',
default='192.0.2.100,192.0.2.120',
deprecated_name='discovery_iprange',
help=('Temporary IP range that will be given to nodes during '
'the inspection process. Should not overlap with the '
'range defined by dhcp_start and dhcp_end, but should '
'be in the same network.')
),
cfg.BoolOpt('inspection_extras',
default=True,
help=('Whether to enable extra hardware collection during '
'the inspection process. Requires python-hardware or '
'python-hardware-detect package on the introspection '
'image.')),
cfg.BoolOpt('inspection_runbench',
default=False,
deprecated_name='discovery_runbench',
help=('Whether to run benchmarks when inspecting nodes. '
'Requires inspection_extras set to True.')
),
cfg.BoolOpt('inspection_enable_uefi',
default=False,
help=('Whether to support introspection of nodes that have '
'UEFI-only firmware.')
),
cfg.BoolOpt('undercloud_debug',
default=True,
help=('Whether to enable the debug log level for Undercloud '
'OpenStack services.')
),
cfg.BoolOpt('enable_tempest',
default=True,
help=('Whether to install Tempest in the Undercloud.')
),
cfg.BoolOpt('enable_mistral',
default=False,
help=('Whether to install Mistral services in the Undercloud.')
),
cfg.BoolOpt('enable_zaqar',
default=False,
help=('Whether to install Zaqar services in the Undercloud.')
),
cfg.BoolOpt('ipxe_deploy',
default=True,
help=('Whether to use iPXE for deploy by default.')
),
cfg.BoolOpt('enable_monitoring',
default=False,
help=('Whether to install Monitoring services in the '
'Undercloud.')
),
cfg.BoolOpt('store_events',
default=False,
help=('Whether to store events in the Undercloud Ceilometer.')
),
cfg.IntOpt('scheduler_max_attempts',
default=30, min=1,
help=('Maximum number of attempts the scheduler will make '
'when deploying the instance. You should keep it '
'greater or equal to the number of bare metal nodes '
'you expect to deploy at once to work around '
'potential race condition when scheduling.')),
]
# Passwords, tokens, hashes
_auth_opts = [
cfg.StrOpt('undercloud_db_password',
help=('Password used for MySQL databases. '
'If left unset, one will be automatically generated.')
),
cfg.StrOpt('undercloud_admin_token',
help=('Keystone admin token. '
'If left unset, one will be automatically generated.')
),
cfg.StrOpt('undercloud_admin_password',
help=('Keystone admin password. '
'If left unset, one will be automatically generated.')
),
cfg.StrOpt('undercloud_glance_password',
help=('Glance service password. '
'If left unset, one will be automatically generated.')
),
cfg.StrOpt('undercloud_heat_encryption_key',
help=('Heat db encryption key(must be 16, 24, or 32 characters.'
' If left unset, one will be automatically generated.')
),
cfg.StrOpt('undercloud_heat_password',
help=('Heat service password. '
'If left unset, one will be automatically generated.')
),
cfg.StrOpt('undercloud_neutron_password',
help=('Neutron service password. '
'If left unset, one will be automatically generated.')
),
cfg.StrOpt('undercloud_nova_password',
help=('Nova service password. '
'If left unset, one will be automatically generated.')
),
cfg.StrOpt('undercloud_ironic_password',
help=('Ironic service password. '
'If left unset, one will be automatically generated.')
),
cfg.StrOpt('undercloud_aodh_password',
help=('Aodh service password. '
'If left unset, one will be automatically generated.')
),
cfg.StrOpt('undercloud_ceilometer_password',
help=('Ceilometer service password. '
'If left unset, one will be automatically generated.')
),
cfg.StrOpt('undercloud_ceilometer_metering_secret',
help=('Ceilometer metering secret. '
'If left unset, one will be automatically generated.')
),
cfg.StrOpt('undercloud_ceilometer_snmpd_user',
default='ro_snmp_user',
help=('Ceilometer snmpd read-only user. If this value is '
'changed from the default, the new value must be passed '
'in the overcloud environment as the parameter '
'SnmpdReadonlyUserName. This value must be between '
'1 and 32 characters long.')
),
cfg.StrOpt('undercloud_ceilometer_snmpd_password',
help=('Ceilometer snmpd password. '
'If left unset, one will be automatically generated.')
),
cfg.StrOpt('undercloud_swift_password',
help=('Swift service password. '
'If left unset, one will be automatically generated.')
),
cfg.StrOpt('undercloud_mistral_password',
help=('Mistral service password. '
'If left unset, one will be automatically generated.')
),
cfg.StrOpt('undercloud_rabbit_cookie',
help=('Rabbitmq cookie. '
'If left unset, one will be automatically generated.')
),
cfg.StrOpt('undercloud_rabbit_password',
help=('Rabbitmq password. '
'If left unset, one will be automatically generated.')
),
cfg.StrOpt('undercloud_rabbit_username',
help=('Rabbitmq username. '
'If left unset, one will be automatically generated.')
),
cfg.StrOpt('undercloud_heat_stack_domain_admin_password',
help=('Heat stack domain admin password. '
'If left unset, one will be automatically generated.')
),
cfg.StrOpt('undercloud_swift_hash_suffix',
help=('Swift hash suffix. '
'If left unset, one will be automatically generated.')
),
cfg.StrOpt('undercloud_sensu_password',
help=('Sensu service password. '
'If left unset, one will be automatically generated.')
),
cfg.StrOpt('undercloud_haproxy_stats_password',
help=('HAProxy stats password. '
'If left unset, one will be automatically generated.')
),
]
CONF.register_opts(_opts)
CONF.register_opts(_auth_opts, group='auth')
def list_opts():
return [(None, copy.deepcopy(_opts)),
('auth', copy.deepcopy(_auth_opts)),
]
def _configure_logging(level, filename):
"""Does the initial logging configuration
This should only ever be called once. If further changes to the logging
config are needed they should be made directly on the LOG object.
:param level: The desired logging level
:param filename: The log file. Set to None to disable file logging.
"""
try:
os.makedirs(os.path.dirname(PATHS.LOG_FILE))
except OSError as e:
if e.errno != errno.EEXIST:
raise
logging.basicConfig(filename=filename,
format=DEFAULT_LOG_FORMAT,
level=level)
global LOG
LOG = logging.getLogger(__name__)
LOG.addHandler(logging.StreamHandler())
def _load_config():
conf_params = []
if os.path.isfile(PATHS.PASSWORD_PATH):
conf_params += ['--config-file', PATHS.PASSWORD_PATH]
if os.path.isfile(PATHS.CONF_PATH):
conf_params += ['--config-file', PATHS.CONF_PATH]
CONF(conf_params)
def _run_command(args, env=None, name=None):
"""Run the command defined by args and return its output
:param args: List of arguments for the command to be run.
:param env: Dict defining the environment variables. Pass None to use
the current environment.
:param name: User-friendly name for the command being run. A value of
None will cause args[0] to be used.
"""
if name is None:
name = args[0]
try:
return subprocess.check_output(args,
stderr=subprocess.STDOUT,
env=env).decode('utf-8')
except subprocess.CalledProcessError as e:
LOG.error('%s failed: %s', name, e.output)
raise
def _run_live_command(args, env=None, name=None):
"""Run the command defined by args and log its output
Takes the same arguments as _run_command, but runs the process
asynchronously so the output can be logged while the process is still
running.
"""
if name is None:
name = args[0]
process = subprocess.Popen(args, env=env,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
while True:
line = process.stdout.readline().decode('utf-8')
if line:
LOG.info(line.rstrip())
if line == '' and process.poll() is not None:
break
if process.returncode != 0:
raise RuntimeError('%s failed. See log for details.' % name)
def _check_hostname():
"""Check system hostname configuration
Rabbit and Puppet require pretty specific hostname configuration. This
function ensures that the system hostname settings are valid before
continuing with the installation.
"""
if CONF.undercloud_hostname is not None:
args = ['sudo', 'hostnamectl', 'set-hostname',
CONF.undercloud_hostname]
_run_command(args, name='hostnamectl')
LOG.info('Checking for a FQDN hostname...')
args = ['sudo', 'hostnamectl', '--static']
detected_static_hostname = _run_command(args, name='hostnamectl').rstrip()
LOG.info('Static hostname detected as %s', detected_static_hostname)
args = ['sudo', 'hostnamectl', '--transient']
detected_transient_hostname = _run_command(args,
name='hostnamectl').rstrip()
LOG.info('Transient hostname detected as %s', detected_transient_hostname)
if detected_static_hostname != detected_transient_hostname:
LOG.error('Static hostname "%s" does not match transient hostname '
'"%s".', detected_static_hostname,
detected_transient_hostname)
LOG.error('Use hostnamectl to set matching hostnames.')
raise RuntimeError('Static and transient hostnames do not match')
with open('/etc/hosts') as hosts_file:
for line in hosts_file:
if (not line.lstrip().startswith('#') and
detected_static_hostname in line.split()):
break
else:
short_hostname = detected_static_hostname.split('.')[0]
if short_hostname == detected_static_hostname:
raise RuntimeError('Configured hostname is not fully '
'qualified.')
echo_cmd = ('echo 127.0.0.1 %s %s >> /etc/hosts' %
(detected_static_hostname, short_hostname))
args = ['sudo', '/bin/bash', '-c', echo_cmd]
_run_command(args, name='hostname-to-etc-hosts')
LOG.info('Added hostname %s to /etc/hosts',
detected_static_hostname)
def _check_memory():
"""Check system memory
The undercloud will not run properly in less than 4 GB of memory.
This function verifies that at least that much is available before
proceeding with install.
"""
mem = psutil.virtual_memory()
total_mb = mem.total / 1024 / 1024
if total_mb < REQUIRED_MB:
LOG.error('At least 4 GB of memory is required for undercloud '
'installation. A minimum of 6 GB is recommended. '
'Only detected %d MB' % total_mb)
raise RuntimeError('Insufficient memory available')
def _generate_password(length=40):
"""Create a random password
Copied from rdomanager-oscplugin. This should eventually live in
tripleo-common.
"""
uuid_str = six.text_type(uuid.uuid4()).encode("UTF-8")
return hashlib.sha1(uuid_str).hexdigest()[:length]
def _generate_endpoints(instack_env):
local_host = instack_env['LOCAL_IP']
public_host = local_host
proto = 'http'
heat_public_port = 8004
neutron_public_port = 9696
glance_public_port = 9292
nova_public_port = 8774
ceilo_public_port = 8777
keystone_public_port = 5000
swift_public_port = 8080
ironic_public_port = 6385
aodh_public_port = 8042
if CONF.undercloud_service_certificate:
public_host = CONF.undercloud_public_vip
proto = 'https'
heat_public_port = 13004
neutron_public_port = 13696
glance_public_port = 13292
nova_public_port = 13774
ceilo_public_port = 13777
keystone_public_port = 13000
swift_public_port = 13808
ironic_public_port = 13385
aodh_public_port = 13042
heat_public_params = (proto, public_host, heat_public_port)
heat_internal_params = ('http', local_host, 8004)
heat_admin_params = heat_internal_params
neutron_public_params = (proto, public_host, neutron_public_port)
neutron_internal_params = ('http', local_host, 9696)
neutron_admin_params = neutron_internal_params
glance_public_params = (proto, public_host, glance_public_port)
glance_internal_params = ('http', local_host, 9292)
glance_admin_params = glance_internal_params
nova_public_params = (proto, public_host, nova_public_port)
nova_internal_params = ('http', local_host, 8774)
nova_admin_params = nova_internal_params
ceilo_public_params = (proto, public_host, ceilo_public_port)
ceilo_internal_params = ('http', local_host, 8777)
ceilo_admin_params = ceilo_internal_params
keystone_public_params = (proto, public_host, keystone_public_port)
keystone_internal_params = ('http', local_host, 5000)
keystone_admin_params = ('http', local_host, 35357)
swift_public_params = (proto, public_host, swift_public_port)
swift_internal_params = ('http', local_host, 8080)
swift_admin_params = swift_internal_params
ironic_public_params = (proto, public_host, ironic_public_port)
ironic_internal_params = ('http', local_host, 6385)
ironic_admin_params = ironic_internal_params
aodh_public_params = (proto, public_host, aodh_public_port)
aodh_internal_params = ('http', local_host, 8042)
aodh_admin_params = aodh_internal_params
endpoints = {}
def add_endpoint(name, format_str, public, internal, admin):
upper_name = name.upper()
endpoints['UNDERCLOUD_ENDPOINT_%s_PUBLIC' % upper_name] = (format_str %
public)
endpoints['UNDERCLOUD_ENDPOINT_%s_INTERNAL' % upper_name] = (
format_str % internal)
endpoints['UNDERCLOUD_ENDPOINT_%s_ADMIN' % upper_name] = (format_str %
admin)
add_endpoint('heat',
'%s://%s:%d/v1/%%(tenant_id)s',
heat_public_params,
heat_internal_params,
heat_admin_params,
)
add_endpoint('neutron',
'%s://%s:%d',
neutron_public_params,
neutron_internal_params,
neutron_admin_params,
)
add_endpoint('glance',
'%s://%s:%d',
glance_public_params,
glance_internal_params,
glance_admin_params,
)
add_endpoint('nova',
'%s://%s:%d/v2/%%(tenant_id)s',
nova_public_params,
nova_internal_params,
nova_admin_params,
)
add_endpoint('novav3',
'%s://%s:%d/v3',
nova_public_params,
nova_internal_params,
nova_admin_params,
)
add_endpoint('ceilometer',
'%s://%s:%d',
ceilo_public_params,
ceilo_internal_params,
ceilo_admin_params,
)
add_endpoint('keystone',
'%s://%s:%d',
keystone_public_params,
keystone_internal_params,
keystone_admin_params,
)
add_endpoint('swift',
'%s://%s:%d/v1/AUTH_%%(tenant_id)s',
swift_public_params,
swift_internal_params,
swift_admin_params,
)
# The swift admin endpoint has a different format from the others
endpoints['UNDERCLOUD_ENDPOINT_SWIFT_ADMIN'] = ('%s://%s:%s' %
swift_admin_params)
add_endpoint('ironic',
'%s://%s:%d',
ironic_public_params,
ironic_internal_params,
ironic_admin_params,
)
add_endpoint('aodh',
'%s://%s:%d',
aodh_public_params,
aodh_internal_params,
aodh_admin_params,
)
instack_env.update(endpoints)
def _write_password_file(instack_env):
with open(PATHS.PASSWORD_PATH, 'w') as password_file:
password_file.write('[auth]\n')
for opt in _auth_opts:
env_name = opt.name.upper()
value = CONF.auth[opt.name]
if not value:
# Heat requires this encryption key to be a specific length
if env_name == 'UNDERCLOUD_HEAT_ENCRYPTION_KEY':
value = _generate_password(32)
else:
value = _generate_password()
LOG.info('Generated new password for %s', opt.name)
instack_env[env_name] = value
password_file.write('%s=%s\n' % (opt.name, value))
def _generate_environment(instack_root):
"""Generate an environment dict for instack
The returned dict will have the necessary values for use as the env
parameter when calling instack via the subprocess module.
:param instack_root: The path containing the instack-undercloud elements
and json files.
"""
instack_env = dict(os.environ)
# Rabbit uses HOSTNAME, so we need to make sure it's right
instack_env['HOSTNAME'] = CONF.undercloud_hostname or socket.gethostname()
# Find the paths we need
json_file_dir = '/usr/share/instack-undercloud/json-files'
if not os.path.isdir(json_file_dir):
json_file_dir = os.path.join(instack_root, 'json-files')
instack_undercloud_elements = '/usr/share/instack-undercloud'
if not os.path.isdir(instack_undercloud_elements):
instack_undercloud_elements = os.path.join(instack_root, 'elements')
tripleo_puppet_elements = '/usr/share/tripleo-puppet-elements'
if not os.path.isdir(tripleo_puppet_elements):
tripleo_puppet_elements = os.path.join(os.getcwd(),
'tripleo-puppet-elements',
'elements')
if 'ELEMENTS_PATH' in os.environ:
instack_env['ELEMENTS_PATH'] = os.environ['ELEMENTS_PATH']
else:
instack_env['ELEMENTS_PATH'] = (
'%s:%s:'
'/usr/share/tripleo-image-elements:'
'/usr/share/diskimage-builder/elements'
) % (tripleo_puppet_elements, instack_undercloud_elements)
# Distro-specific values
distro = platform.linux_distribution()[0]
if distro.startswith('Red Hat Enterprise Linux'):
instack_env['NODE_DIST'] = os.environ.get('NODE_DIST') or 'rhel7'
instack_env['JSONFILE'] = (
os.environ.get('JSONFILE') or
os.path.join(json_file_dir, 'rhel-7-undercloud-packages.json')
)
instack_env['REG_METHOD'] = 'disable'
instack_env['REG_HALT_UNREGISTER'] = '1'
elif distro.startswith('CentOS'):
instack_env['NODE_DIST'] = os.environ.get('NODE_DIST') or 'centos7'
instack_env['JSONFILE'] = (
os.environ.get('JSONFILE') or
os.path.join(json_file_dir, 'centos-7-undercloud-packages.json')
)
elif distro.startswith('Fedora'):
instack_env['NODE_DIST'] = os.environ.get('NODE_DIST') or 'fedora'
raise RuntimeError('Fedora is not currently supported')
else:
raise RuntimeError('%s is not supported' % distro)
# Convert conf opts to env values
for opt in _opts:
env_name = opt.name.upper()
instack_env[env_name] = six.text_type(CONF[opt.name])
# Opts that needs extra processing
if CONF.inspection_runbench and not CONF.inspection_extras:
raise RuntimeError('inspection_extras must be enabled for '
'inspection_runbench to work')
if CONF.inspection_extras:
instack_env['INSPECTION_COLLECTORS'] = 'default,extra-hardware,logs'
else:
instack_env['INSPECTION_COLLECTORS'] = 'default,logs'
inspection_kernel_args = []
if CONF.undercloud_debug:
inspection_kernel_args.append('ipa-debug=1')
if CONF.inspection_runbench:
inspection_kernel_args.append('ipa-inspection-benchmarks=cpu,mem,disk')
instack_env['INSPECTION_KERNEL_ARGS'] = ' '.join(inspection_kernel_args)
instack_env['PUBLIC_INTERFACE_IP'] = instack_env['LOCAL_IP']
instack_env['LOCAL_IP'] = instack_env['LOCAL_IP'].split('/')[0]
if instack_env['UNDERCLOUD_SERVICE_CERTIFICATE']:
instack_env['UNDERCLOUD_SERVICE_CERTIFICATE'] = os.path.abspath(
instack_env['UNDERCLOUD_SERVICE_CERTIFICATE'])
# We're not in a chroot so this doesn't make sense, and it causes weird
# errors if it's set.
if instack_env.get('DIB_YUM_REPO_CONF'):
del instack_env['DIB_YUM_REPO_CONF']
_generate_endpoints(instack_env)
_write_password_file(instack_env)
return instack_env
def _run_instack(instack_env):
args = ['sudo', '-E', 'instack', '-p', instack_env['ELEMENTS_PATH'],
'-j', instack_env['JSONFILE'],
]
LOG.info('Running instack')
_run_live_command(args, instack_env, 'instack')
LOG.info('Instack completed successfully')
def _run_orc(instack_env):
args = ['sudo', 'os-refresh-config']
LOG.info('Running os-refresh-config')
_run_live_command(args, instack_env, 'os-refresh-config')
LOG.info('os-refresh-config completed successfully')
def _extract_from_stackrc(name):
"""Extract authentication values from stackrc
:param name: The value to be extracted. For example: OS_USERNAME or
OS_AUTH_URL.
"""
with open(os.path.expanduser('~/stackrc')) as f:
for line in f:
if name in line:
parts = line.split('=')
return parts[1].rstrip()
def _ensure_user_identity(id_path):
if not os.path.isfile(id_path):
args = ['ssh-keygen', '-t', 'rsa', '-N', '', '-f', id_path]
_run_command(args)
LOG.info('Generated new ssh key in ~/.ssh/id_rsa')
def _get_auth_values():
"""Get auth values from stackrc
Returns the user, password, tenant and auth_url as read from stackrc,
in that order as a tuple.
"""
user = _extract_from_stackrc('OS_USERNAME')
password = _run_command(['sudo', 'hiera', 'admin_password']).rstrip()
tenant = _extract_from_stackrc('OS_TENANT')
auth_url = _extract_from_stackrc('OS_AUTH_URL')
return user, password, tenant, auth_url
def _configure_ssh_keys(nova):
"""Configure default ssh keypair in Nova
Generates a new ssh key for the current user if one does not already
exist, then uploads that to Nova as the 'default' keypair.
"""
id_path = os.path.expanduser('~/.ssh/id_rsa')
_ensure_user_identity(id_path)
try:
nova.keypairs.get('default')
except exceptions.NotFound:
with open(id_path + '.pub') as pubkey:
nova.keypairs.create('default', pubkey.read().rstrip())
def _ensure_flavor(nova, name, profile=None):
try:
flavor = nova.flavors.create(name, 4096, 1, 40)
except exceptions.Conflict:
LOG.info('Not creating flavor "%s" because it already exists.', name)
return
keys = {'capabilities:boot_option': 'local'}
if profile is not None:
keys['capabilities:profile'] = profile
flavor.set_keys(keys)
message = 'Created flavor "%s" with profile "%s"'
LOG.info(message, name, profile)
def _copy_stackrc():
args = ['sudo', 'cp', '/root/stackrc', os.path.expanduser('~')]
_run_command(args, name='Copy stackrc')
args = ['sudo', 'chown', getpass.getuser() + ':',
os.path.expanduser('~/stackrc')]
_run_command(args, name='Chown stackrc')
def _clean_os_refresh_config():
orc_dirs = glob.glob('/usr/libexec/os-refresh-config/*')
args = ['sudo', 'rm', '-rf'] + orc_dirs
_run_command(args, name='Clean os-refresh-config')
def _post_config():
_copy_stackrc()
user, password, tenant, auth_url = _get_auth_values()
nova = novaclient.Client(2, user, password, tenant, auth_url)
_configure_ssh_keys(nova)
_ensure_flavor(nova, 'baremetal')
_ensure_flavor(nova, 'control', 'control')
_ensure_flavor(nova, 'compute', 'compute')
_ensure_flavor(nova, 'ceph-storage', 'ceph-storage')
_ensure_flavor(nova, 'block-storage', 'block-storage')
_ensure_flavor(nova, 'swift-storage', 'swift-storage')
def install(instack_root):
"""Install the undercloud
:param instack_root: The path containing the instack-undercloud elements
and json files.
"""
_configure_logging(DEFAULT_LOG_LEVEL, PATHS.LOG_FILE)
LOG.info('Logging to %s', PATHS.LOG_FILE)
_load_config()
_check_hostname()
_check_memory()
_clean_os_refresh_config()
instack_env = _generate_environment(instack_root)
_run_instack(instack_env)
_run_orc(instack_env)
_post_config()
_run_command(['sudo', 'rm', '-f', '/tmp/svc-map-services'], None, 'rm')
LOG.info(COMPLETION_MESSAGE, {'password_path': PATHS.PASSWORD_PATH,
'stackrc_path': os.path.expanduser('~/stackrc')})
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