1d24cf4552
* Change default path of private key * Rename config group * Rename 'fuel-agent' to 'bareon' Change-Id: Ibaf29ea769bcc9408d41ae94dd6bf9d507fe0564
1147 lines
44 KiB
Python
1147 lines
44 KiB
Python
#
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# Copyright 2015 Mirantis, Inc.
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#
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# Copyright 2016 Cray Inc., All Rights Reserved
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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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"""
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Bareon deploy driver.
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"""
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import json
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import os
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import eventlet
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import pkg_resources
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import stevedore
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import six
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from oslo_concurrency import processutils
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from oslo_config import cfg
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from oslo_utils import excutils
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from oslo_utils import fileutils
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from oslo_log import log
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from oslo_service import loopingcall
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from ironic_lib import utils as ironic_utils
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from ironic.common import boot_devices
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from ironic.common import dhcp_factory
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from ironic.common import exception
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from ironic.common import keystone
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from ironic.common import pxe_utils
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from ironic.common import states
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from ironic.common import utils
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from ironic.common.glance_service import service_utils
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from ironic.common.i18n import _
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from ironic.common.i18n import _LE
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from ironic.common.i18n import _LI
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from ironic.conductor import task_manager
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from ironic.conductor import utils as manager_utils
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from ironic.drivers import base
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from ironic.drivers.modules import deploy_utils
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from ironic.drivers.modules import image_cache
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from ironic.objects import node as db_node
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from bareon_ironic.modules import bareon_exception
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from bareon_ironic.modules import bareon_utils
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from bareon_ironic.modules.resources import actions
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from bareon_ironic.modules.resources import image_service
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from bareon_ironic.modules.resources import resources
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from bareon_ironic.modules.resources import rsync
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agent_opts = [
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cfg.StrOpt('pxe_config_template',
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default=os.path.join(os.path.dirname(__file__),
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'bareon_config.template'),
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help='Template file for two-disk boot PXE configuration.'),
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cfg.StrOpt('pxe_config_template_live',
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default=os.path.join(os.path.dirname(__file__),
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'bareon_config_live.template'),
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help='Template file for three-disk (live boot) PXE '
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'configuration.'),
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cfg.StrOpt('bareon_pxe_append_params',
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default='nofb nomodeset vga=normal',
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help='Additional append parameters for baremetal PXE boot.'),
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cfg.StrOpt('deploy_kernel',
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help='UUID (from Glance) of the default deployment kernel.'),
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cfg.StrOpt('deploy_ramdisk',
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help='UUID (from Glance) of the default deployment ramdisk.'),
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cfg.StrOpt('deploy_squashfs',
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help='UUID (from Glance) of the default deployment root FS.'),
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cfg.StrOpt('deploy_config_priority',
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default='instance:node:image:conf',
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help='Priority for deploy config'),
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cfg.StrOpt('deploy_config',
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help='A uuid or name of glance image representing '
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'deploy config.'),
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cfg.IntOpt('deploy_timeout',
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default=15,
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help="Timeout in minutes for the node continue-deploy process "
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"(deployment phase following the callback)."),
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cfg.IntOpt('check_terminate_interval',
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help='Time interval in seconds to check whether the deployment '
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'driver has responded to termination signal',
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default=5),
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cfg.IntOpt('check_terminate_max_retries',
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help='Max retries to check is node already terminated',
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default=20),
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cfg.StrOpt('agent_data_driver',
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default='ironic',
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help='Bareon data driver'),
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]
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CONF = cfg.CONF
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CONF.register_opts(agent_opts, group='bareon')
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LOG = log.getLogger(__name__)
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REQUIRED_PROPERTIES = {}
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OTHER_PROPERTIES = {
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'deploy_kernel': _('UUID (from Glance) of the deployment kernel.'),
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'deploy_ramdisk': _('UUID (from Glance) of the deployment ramdisk.'),
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'deploy_squashfs': _('UUID (from Glance) of the deployment root FS image '
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'mounted at boot time.'),
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'bareon_username': _('SSH username; default is "root" Optional.'),
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'bareon_key_filename': _('Name of SSH private key file; default is '
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'"/etc/ironic/bareon_key". Optional.'),
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'bareon_ssh_port': _('SSH port; default is 22. Optional.'),
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'bareon_deploy_script': _('path to bareon executable entry point; '
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'default is "provision_ironic" Optional.'),
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'deploy_config': _('Deploy config Glance image id/name'),
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}
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COMMON_PROPERTIES = OTHER_PROPERTIES
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REQUIRED_BAREON_VERSION = "0.0."
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TERMINATE_FLAG = 'terminate_deployment'
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@image_cache.cleanup(priority=25)
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class AgentTFTPImageCache(image_cache.ImageCache):
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def __init__(self, image_service=None):
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super(AgentTFTPImageCache, self).__init__(
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CONF.pxe.tftp_master_path,
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# MiB -> B
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CONF.pxe.image_cache_size * 1024 * 1024,
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# min -> sec
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CONF.pxe.image_cache_ttl * 60,
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image_service=image_service)
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def _create_rootfs_link(task):
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"""Create Swift temp url for deployment root FS."""
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rootfs = task.node.driver_info['deploy_squashfs']
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if service_utils.is_glance_image(rootfs):
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glance = image_service.GlanceImageService(version=2,
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context=task.context)
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image_info = glance.show(rootfs)
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temp_url = glance.swift_temp_url(image_info)
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temp_url += '&filename=/root.squashfs'
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return temp_url
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try:
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image_service.HttpImageService().validate_href(rootfs)
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except exception.ImageRefValidationFailed:
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with excutils.save_and_reraise_exception():
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LOG.error(_LE("Agent deploy supports only HTTP URLs as "
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"driver_info['deploy_squashfs']. Either %s "
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"is not a valid HTTP URL or "
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"is not reachable."), rootfs)
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return rootfs
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def _clean_up_images(task):
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node = task.node
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if node.instance_info.get('images_cleaned_up', False):
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return
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try:
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with open(get_tenant_images_json_path(node)) as f:
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images_json = json.loads(f.read())
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except Exception as ex:
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LOG.warning("Cannot find tenant_images.json for the %s node to"
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"finish cleanup." % node)
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LOG.warning(str(ex))
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else:
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images = resources.ResourceList.from_dict(images_json, task)
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images.cleanup_resources()
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bareon_utils.change_node_dict(task.node, 'instance_info',
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{'images_cleaned_up': True})
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class BareonDeploy(base.DeployInterface):
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"""Interface for deploy-related actions."""
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def __init__(self):
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super(BareonDeploy, self).__init__()
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self._deployment_config_validators = {}
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def get_properties(self):
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"""Return the properties of the interface.
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:returns: dictionary of <property name>:<property description> entries.
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"""
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return COMMON_PROPERTIES
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def validate(self, task):
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"""Validate the driver-specific Node deployment info.
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This method validates whether the properties of the supplied node
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contain the required information for this driver to deploy images to
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the node.
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:param task: a TaskManager instance
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:raises: MissingParameterValue
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"""
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node = task.node
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params = self._get_boot_files(node)
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error_msg = _('Node %s failed to validate deploy image info. Some '
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'parameters were missing') % node.uuid
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deploy_utils.check_for_missing_params(params, error_msg)
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self._parse_driver_info(node)
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@task_manager.require_exclusive_lock
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def deploy(self, task):
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"""Perform a deployment to a node.
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Perform the necessary work to deploy an image onto the specified node.
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This method will be called after prepare(), which may have already
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performed any preparatory steps, such as pre-caching some data for the
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node.
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:param task: a TaskManager instance.
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:returns: status of the deploy. One of ironic.common.states.
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"""
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self._do_pxe_boot(task)
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return states.DEPLOYWAIT
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@task_manager.require_exclusive_lock
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def tear_down(self, task):
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"""Tear down a previous deployment on the task's node.
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:param task: a TaskManager instance.
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:returns: status of the deploy. One of ironic.common.states.
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"""
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manager_utils.node_power_action(task, states.POWER_OFF)
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return states.DELETED
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def prepare(self, task):
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"""Prepare the deployment environment for this node.
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:param task: a TaskManager instance.
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"""
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self._fetch_resources(task)
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self._validate_deployment_config(task)
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self._prepare_pxe_boot(task)
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def clean_up(self, task):
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"""Clean up the deployment environment for this node.
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If preparation of the deployment environment ahead of time is possible,
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this method should be implemented by the driver. It should erase
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anything cached by the `prepare` method.
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If implemented, this method must be idempotent. It may be called
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multiple times for the same node on the same conductor, and it may be
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called by multiple conductors in parallel. Therefore, it must not
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require an exclusive lock.
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This method is called before `tear_down`.
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:param task: a TaskManager instance.
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"""
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# NOTE(lobur): most of the cleanup is done immediately after
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# deployment (see end of pass_deploy_info).
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# - PXE resources are left till the node is unprovisioned because we
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# plan to add support of tenant PXE boot.
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# - Resources such as provision.json are left till the node is
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# unprovisioned to simplify debugging.
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self._clean_up_pxe(task)
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_clean_up_images(task)
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self._clean_up_resource_dirs(task)
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def take_over(self, task):
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pass
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def _clean_up_pxe(self, task):
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"""Clean up left over PXE and DHCP files."""
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pxe_info = self._get_tftp_image_info(task.node)
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for label in pxe_info:
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path = pxe_info[label][1]
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ironic_utils.unlink_without_raise(path)
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AgentTFTPImageCache().clean_up()
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pxe_utils.clean_up_pxe_config(task)
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def _fetch_resources(self, task):
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self._fetch_provision_json(task)
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self._fetch_actions(task)
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def _fetch_provision_json(self, task):
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config = self._get_deploy_config(task)
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config = self._add_image_deployment_config(task, config)
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deploy_data = config.get('deploy_data', {})
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if 'kernel_params' not in deploy_data:
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deploy_data['kernel_params'] = CONF.bareon.bareon_pxe_append_params
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config['deploy_data'] = deploy_data
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LOG.info('[{0}] Resulting provision.json is:\n{1}'.format(
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task.node.uuid, config))
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# On fail script is not passed to the agent, it is handled on
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# Conductor.
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on_fail_script_url = config.pop("on_fail_script", None)
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self._fetch_on_fail_script(task, on_fail_script_url)
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filename = get_provision_json_path(task.node)
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LOG.info('[{0}] Writing provision.json to:\n{1}'.format(
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task.node.uuid, filename))
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with open(filename, 'w') as f:
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f.write(json.dumps(config))
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def _validate_deployment_config(self, task):
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data_driver_name = bareon_utils.node_data_driver(task.node)
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validator = self._get_deployment_config_validator(data_driver_name)
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validator(get_provision_json_path(task.node))
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def _get_deploy_config(self, task):
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node = task.node
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instance_info = node.instance_info
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# Get options passed by nova, if any.
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deploy_config_options = instance_info.get('deploy_config_options', {})
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# Get options available at ironic side.
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deploy_config_options['node'] = node.driver_info.get('deploy_config')
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deploy_config_options['conf'] = CONF.bareon.deploy_config
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# Cleaning empty options.
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deploy_config_options = {k: v for k, v in
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six.iteritems(deploy_config_options) if v}
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configs = self._fetch_deploy_configs(task.context, node,
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deploy_config_options)
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return self._merge_configs(configs)
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def _fetch_deploy_configs(self, context, node, cfg_options):
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configs = {}
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for key, url in six.iteritems(cfg_options):
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configs[key] = resources.url_download_json(context, node,
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url)
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return configs
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@staticmethod
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def _merge_configs(configs):
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# Merging first level attributes of configs according to priority
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priority_list = CONF.bareon.deploy_config_priority.split(':')
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unknown_sources = set(priority_list) - {'instance', 'node', 'conf',
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'image'}
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if unknown_sources:
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raise ValueError('Unknown deploy config source %s' % str(
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unknown_sources))
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result = {}
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for k in priority_list[::-1]:
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if k in configs:
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result.update(configs[k])
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LOG.debug('Resulting deploy config:')
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LOG.debug('%s', result)
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return result
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def _fetch_on_fail_script(self, task, url):
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if not url:
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return
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path = get_on_fail_script_path(task.node)
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LOG.info('[{0}] Fetching on_fail_script to:\n{1}'.format(
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task.node.uuid, path))
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resources.url_download(task.context, task.node, url, path)
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def _fetch_actions(self, task):
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driver_actions_url = task.node.instance_info.get('driver_actions')
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actions_data = resources.url_download_json(task.context,
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task.node,
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driver_actions_url)
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if not actions_data:
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LOG.info("[%s] No driver_actions specified" % task.node.uuid)
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return
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controller = actions.ActionController(task, actions_data)
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controller.fetch_action_resources()
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actions_data = controller.to_dict()
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LOG.info('[{0}] Deploy actions for the node are:\n{1}'.format(
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task.node.uuid, actions_data))
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filename = get_actions_json_path(task.node)
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LOG.info('[{0}] Writing actions.json to:\n{1}'.format(
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task.node.uuid, filename))
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with open(filename, 'w') as f:
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f.write(json.dumps(actions_data))
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def _clean_up_resource_dirs(self, task):
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utils.rmtree_without_raise(
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resources.get_abs_node_workdir_path(task.node))
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utils.rmtree_without_raise(
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rsync.get_abs_node_workdir_path(task.node))
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def _build_instance_info_for_deploy(self, task):
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raise NotImplementedError
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def _do_pxe_boot(self, task, ports=None):
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"""Reboot the node into the PXE ramdisk.
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:param task: a TaskManager instance
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:param ports: a list of Neutron port dicts to update DHCP options on.
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If None, will get the list of ports from the Ironic port objects.
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"""
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dhcp_opts = pxe_utils.dhcp_options_for_instance(task)
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provider = dhcp_factory.DHCPFactory()
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provider.update_dhcp(task, dhcp_opts, ports)
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manager_utils.node_set_boot_device(task, boot_devices.PXE,
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persistent=True)
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manager_utils.node_power_action(task, states.REBOOT)
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def _cache_tftp_images(self, ctx, node, pxe_info):
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"""Fetch the necessary kernels and ramdisks for the instance."""
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fileutils.ensure_tree(
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os.path.join(CONF.pxe.tftp_root, node.uuid))
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LOG.debug("Fetching kernel and ramdisk for node %s",
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node.uuid)
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deploy_utils.fetch_images(ctx, AgentTFTPImageCache(),
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pxe_info.values())
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def _prepare_pxe_boot(self, task):
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"""Prepare the files required for PXE booting the agent."""
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pxe_info = self._get_tftp_image_info(task.node)
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# Do live boot if squashfs is specified in either way.
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is_live_boot = (task.node.driver_info.get('deploy_squashfs') or
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CONF.bareon.deploy_squashfs)
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pxe_options = self._build_pxe_config_options(task, pxe_info,
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is_live_boot)
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template = (CONF.bareon.pxe_config_template_live if is_live_boot
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else CONF.bareon.pxe_config_template)
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pxe_utils.create_pxe_config(task,
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pxe_options,
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template)
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self._cache_tftp_images(task.context, task.node, pxe_info)
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def _get_tftp_image_info(self, node):
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params = self._get_boot_files(node)
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return pxe_utils.get_deploy_kr_info(node.uuid, params)
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def _build_pxe_config_options(self, task, pxe_info, live_boot):
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"""Builds the pxe config options for booting agent.
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This method builds the config options to be replaced on
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the agent pxe config template.
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:param task: a TaskManager instance
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:param pxe_info: A dict containing the 'deploy_kernel' and
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'deploy_ramdisk' for the agent pxe config template.
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:returns: a dict containing the options to be applied on
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the agent pxe config template.
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"""
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ironic_api = (CONF.conductor.api_url or
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keystone.get_service_url()).rstrip('/')
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agent_config_opts = {
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'deployment_aki_path': pxe_info['deploy_kernel'][1],
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'deployment_ari_path': pxe_info['deploy_ramdisk'][1],
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'bareon_pxe_append_params': CONF.bareon.bareon_pxe_append_params,
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'deployment_id': task.node.uuid,
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'api-url': ironic_api,
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}
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if live_boot:
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agent_config_opts['rootfs-url'] = _create_rootfs_link(task)
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return agent_config_opts
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def _get_boot_files(self, node):
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d_info = node.driver_info
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params = {
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'deploy_kernel': d_info.get('deploy_kernel',
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CONF.bareon.deploy_kernel),
|
|
'deploy_ramdisk': d_info.get('deploy_ramdisk',
|
|
CONF.bareon.deploy_ramdisk),
|
|
}
|
|
# Present only when live boot is used
|
|
squashfs = d_info.get('deploy_squashfs', CONF.bareon.deploy_squashfs)
|
|
if squashfs:
|
|
params['deploy_squashfs'] = squashfs
|
|
|
|
return params
|
|
|
|
def _get_image_resource_mode(self):
|
|
raise NotImplementedError
|
|
|
|
def _get_deploy_driver(self):
|
|
raise NotImplementedError
|
|
|
|
def _add_image_deployment_config(self, task, provision_config):
|
|
node = task.node
|
|
bareon_utils.change_node_dict(
|
|
node, 'instance_info',
|
|
{'deploy_driver': self._get_deploy_driver()})
|
|
node.save()
|
|
|
|
image_resource_mode = self._get_image_resource_mode()
|
|
boot_image = node.instance_info['image_source']
|
|
default_user_images = [
|
|
{
|
|
'name': boot_image,
|
|
'url': boot_image,
|
|
'target': "/",
|
|
}
|
|
]
|
|
user_images = provision_config.get('images', default_user_images)
|
|
|
|
invalid_images = []
|
|
origin_names = [None] * len(user_images)
|
|
for idx, image in enumerate(user_images):
|
|
try:
|
|
bareon_utils.validate_json(('name', 'url'), image)
|
|
except exception.MissingParameterValue as e:
|
|
invalid_images.append(
|
|
'Invalid "image" record - there is no key {key} (#{idx}: '
|
|
'{payload})'.format(
|
|
key=e, idx=idx, payload=json.dumps(image)))
|
|
continue
|
|
|
|
origin_names[idx] = image['name']
|
|
image_uuid, image_name = image_service.get_glance_image_uuid_name(
|
|
task, image['url'])
|
|
image['boot'] = (boot_image == image_uuid)
|
|
image['url'] = "glance:%s" % image_uuid
|
|
image['mode'] = image_resource_mode
|
|
image['image_uuid'] = image_uuid
|
|
image['image_name'] = image_name
|
|
|
|
if invalid_images:
|
|
raise exception.InvalidParameterValue(
|
|
err='\n'.join(invalid_images))
|
|
|
|
fetched_image_resources = self._fetch_images(task, user_images)
|
|
|
|
image_deployment_config = [
|
|
{
|
|
# Grab name from source data to keep it untouched, because
|
|
# "resources" subsystem replace all not alphanumeric symbols
|
|
# to underscores in 'name' field.
|
|
'name': name,
|
|
'image_pull_url': image.pull_url,
|
|
'target': image.target,
|
|
'boot': image.boot,
|
|
'image_uuid': image.image_uuid,
|
|
'image_name': image.image_name
|
|
}
|
|
for name, image in zip(origin_names, fetched_image_resources)
|
|
]
|
|
|
|
bareon_utils.change_node_dict(
|
|
task.node, 'instance_info',
|
|
{'multiboot': len(image_deployment_config) > 1})
|
|
node.save()
|
|
|
|
provision_config['images'] = image_deployment_config
|
|
return provision_config
|
|
|
|
def _fetch_images(self, task, image_resources):
|
|
images = resources.ResourceList({
|
|
"name": "tenant_images",
|
|
"resources": image_resources
|
|
}, task)
|
|
images.fetch_resources()
|
|
|
|
# NOTE(lobur): serialize tenant images json for further cleanup.
|
|
images_json = images.to_dict()
|
|
with open(get_tenant_images_json_path(task.node), 'w') as f:
|
|
f.write(json.dumps(images_json))
|
|
|
|
return images.resources
|
|
|
|
@staticmethod
|
|
def _parse_driver_info(node):
|
|
"""Gets the information needed for accessing the node.
|
|
|
|
:param node: the Node object.
|
|
:returns: dictionary of information.
|
|
:raises: InvalidParameterValue if any required parameters are
|
|
incorrect.
|
|
:raises: MissingParameterValue if any required parameters are missing.
|
|
|
|
"""
|
|
info = node.driver_info
|
|
d_info = {}
|
|
error_msgs = []
|
|
|
|
d_info['username'] = info.get('bareon_username', 'root')
|
|
d_info['key_filename'] = info.get('bareon_key_filename',
|
|
'/etc/ironic/bareon_key')
|
|
|
|
if not os.path.isfile(d_info['key_filename']):
|
|
error_msgs.append(_("SSH key file %s not found.") %
|
|
d_info['key_filename'])
|
|
|
|
try:
|
|
d_info['port'] = int(info.get('bareon_ssh_port', 22))
|
|
except ValueError:
|
|
error_msgs.append(_("'bareon_ssh_port' must be an integer."))
|
|
|
|
if error_msgs:
|
|
msg = (_('The following errors were encountered while parsing '
|
|
'driver_info:\n%s') % '\n'.join(error_msgs))
|
|
raise exception.InvalidParameterValue(msg)
|
|
|
|
d_info['script'] = info.get('bareon_deploy_script', 'bareon-provision')
|
|
|
|
return d_info
|
|
|
|
def terminate_deployment(self, task):
|
|
node = task.node
|
|
if TERMINATE_FLAG not in node.instance_info:
|
|
|
|
def _wait_for_node_to_become_terminated(retries, max_retries,
|
|
task):
|
|
task_node = task.node
|
|
retries[0] += 1
|
|
if retries[0] > max_retries:
|
|
bareon_utils.change_node_dict(
|
|
task_node, 'instance_info',
|
|
{TERMINATE_FLAG: 'failed'})
|
|
task_node.reservation = None
|
|
task_node.save()
|
|
|
|
raise bareon_exception.RetriesException(
|
|
retry_count=max_retries)
|
|
|
|
current_node = db_node.Node.get_by_uuid(task.context,
|
|
task_node.uuid)
|
|
if current_node.instance_info.get(TERMINATE_FLAG) == 'done':
|
|
raise loopingcall.LoopingCallDone()
|
|
|
|
bareon_utils.change_node_dict(
|
|
node, 'instance_info',
|
|
{TERMINATE_FLAG: 'requested'})
|
|
node.save()
|
|
|
|
retries = [0]
|
|
interval = CONF.bareon.check_terminate_interval
|
|
max_retries = CONF.bareon.check_terminate_max_retries
|
|
|
|
timer = loopingcall.FixedIntervalLoopingCall(
|
|
_wait_for_node_to_become_terminated,
|
|
retries, max_retries, task)
|
|
try:
|
|
timer.start(interval=interval).wait()
|
|
except bareon_exception.RetriesException as ex:
|
|
LOG.error('Failed to terminate node. Error: %(error)s' % {
|
|
'error': ex})
|
|
|
|
@property
|
|
def can_terminate_deployment(self):
|
|
return True
|
|
|
|
def _get_deployment_config_validator(self, driver_name):
|
|
try:
|
|
validator = self._deployment_config_validators[driver_name]
|
|
except KeyError:
|
|
validator = DeploymentConfigValidator(driver_name)
|
|
self._deployment_config_validators[driver_name] = validator
|
|
return validator
|
|
|
|
|
|
class BareonVendor(base.VendorInterface):
|
|
def get_properties(self):
|
|
"""Return the properties of the interface.
|
|
|
|
:returns: dictionary of <property name>:<property description> entries.
|
|
"""
|
|
return COMMON_PROPERTIES
|
|
|
|
def validate(self, task, method, **kwargs):
|
|
"""Validate the driver-specific Node deployment info.
|
|
|
|
:param task: a TaskManager instance
|
|
:param method: method to be validated
|
|
"""
|
|
if method == 'exec_actions':
|
|
return
|
|
|
|
if method == 'switch_boot':
|
|
self.validate_switch_boot(task, **kwargs)
|
|
return
|
|
|
|
if not kwargs.get('status'):
|
|
raise exception.MissingParameterValue(_('Unknown Bareon status'
|
|
' on a node.'))
|
|
if not kwargs.get('address'):
|
|
raise exception.MissingParameterValue(_('Bareon must pass '
|
|
'address of a node.'))
|
|
BareonDeploy._parse_driver_info(task.node)
|
|
|
|
def validate_switch_boot(self, task, **kwargs):
|
|
if not kwargs.get('image'):
|
|
raise exception.MissingParameterValue(_('No image info passed.'))
|
|
if not kwargs.get('ssh_key'):
|
|
raise exception.MissingParameterValue(_('No ssh key info passed.'))
|
|
if not kwargs.get('ssh_user'):
|
|
raise exception.MissingParameterValue(_('No ssh user info '
|
|
'passed.'))
|
|
|
|
@base.passthru(['POST'])
|
|
@task_manager.require_exclusive_lock
|
|
def pass_deploy_info(self, task, **kwargs):
|
|
"""Continues the deployment of baremetal node."""
|
|
node = task.node
|
|
task.process_event('resume')
|
|
err_msg = _('Failed to continue deployment with Bareon.')
|
|
|
|
agent_status = kwargs.get('status')
|
|
if agent_status != 'ready':
|
|
LOG.error(_LE('Deploy failed for node %(node)s. Bareon is not '
|
|
'in ready state, error: %(error)s'),
|
|
{'node': node.uuid,
|
|
'error': kwargs.get('error_message')})
|
|
deploy_utils.set_failed_state(task, err_msg)
|
|
return
|
|
|
|
params = BareonDeploy._parse_driver_info(node)
|
|
params['host'] = kwargs.get('address')
|
|
|
|
cmd = '{} --data_driver "{}" --deploy_driver "{}"'.format(
|
|
params.pop('script'), bareon_utils.node_data_driver(node),
|
|
node.instance_info['deploy_driver'])
|
|
if CONF.debug:
|
|
cmd += ' --debug'
|
|
instance_info = node.instance_info
|
|
|
|
try:
|
|
ssh = bareon_utils.get_ssh_connection(task, **params)
|
|
sftp = ssh.open_sftp()
|
|
|
|
self._check_bareon_version(ssh, node.uuid)
|
|
|
|
provision_config_path = get_provision_json_path(task.node)
|
|
# TODO(yuriyz) no hardcode
|
|
sftp.put(provision_config_path, '/tmp/provision.json')
|
|
|
|
# swift configdrive store should be disabled
|
|
configdrive = instance_info.get('configdrive')
|
|
if configdrive is not None:
|
|
# TODO(yuriyz) no hardcode
|
|
bareon_utils.sftp_write_to(sftp, configdrive,
|
|
'/tmp/config-drive.img')
|
|
|
|
out, err = self._deploy(task, ssh, cmd, **params)
|
|
LOG.info(_LI('[%(node)s] Bareon pass on node %(node)s'),
|
|
{'node': node.uuid})
|
|
LOG.debug('[%s] Bareon stdout is: "%s"', node.uuid, out)
|
|
LOG.debug('[%s] Bareon stderr is: "%s"', node.uuid, err)
|
|
|
|
self._get_boot_info(task, ssh)
|
|
|
|
self._run_actions(task, ssh, sftp, params)
|
|
|
|
manager_utils.node_power_action(task, states.POWER_OFF)
|
|
manager_utils.node_set_boot_device(task, boot_devices.DISK,
|
|
persistent=True)
|
|
manager_utils.node_power_action(task, states.POWER_ON)
|
|
|
|
except exception.SSHConnectFailed as e:
|
|
msg = (
|
|
_('[%(node)s] SSH connect to node %(host)s failed. '
|
|
'Error: %(error)s') % {'host': params['host'], 'error': e,
|
|
'node': node.uuid})
|
|
self._deploy_failed(task, msg)
|
|
|
|
except exception.ConfigInvalid as e:
|
|
msg = (_('[%(node)s] Invalid provision config. '
|
|
'Error: %(error)s') % {'error': e, 'node': node.uuid})
|
|
self._deploy_failed(task, msg)
|
|
|
|
except bareon_exception.DeployTerminationSucceed:
|
|
LOG.info(_LI('[%(node)s] Deployment was terminated'),
|
|
{'node': node.uuid})
|
|
|
|
except Exception as e:
|
|
self._run_on_fail_script(task, sftp, ssh)
|
|
|
|
msg = (_('[%(node)s] Deploy failed for node %(node)s. '
|
|
'Error: %(error)s') % {'node': node.uuid, 'error': e})
|
|
self._bareon_log(task, ssh)
|
|
self._deploy_failed(task, msg)
|
|
|
|
else:
|
|
task.process_event('done')
|
|
LOG.info(_LI('Deployment to node %s done'), task.node.uuid)
|
|
|
|
finally:
|
|
self._clean_up_deployment_resources(task)
|
|
|
|
def _deploy_failed(self, task, msg):
|
|
LOG.error(msg)
|
|
deploy_utils.set_failed_state(task, msg)
|
|
|
|
def _check_bareon_version(self, ssh, node_uuid):
|
|
try:
|
|
stdout, stderr = processutils.ssh_execute(
|
|
ssh, 'cat /etc/bareon-release')
|
|
|
|
LOG.info(_LI("[{0}] Tracing Bareon version.\n{1}").format(
|
|
node_uuid, stdout))
|
|
|
|
version = ""
|
|
lines = stdout.splitlines()
|
|
if lines:
|
|
version_line = lines[0]
|
|
name, _, version = version_line.partition("==")
|
|
if version.startswith(REQUIRED_BAREON_VERSION):
|
|
return
|
|
|
|
msg = ("Bareon version '%(req)s' is required, but version "
|
|
"'%(found)s' found on the ramdisk."
|
|
% dict(req=REQUIRED_BAREON_VERSION,
|
|
found=version))
|
|
raise bareon_exception.IncompatibleRamdiskVersion(details=msg)
|
|
except processutils.ProcessExecutionError:
|
|
msg = "Bareon version cannot be read on the ramdisk."
|
|
raise bareon_exception.IncompatibleRamdiskVersion(details=msg)
|
|
|
|
def _get_boot_info(self, task, ssh):
|
|
node = task.node
|
|
node_uuid = node.uuid
|
|
|
|
if not node.instance_info.get('multiboot', False):
|
|
return
|
|
try:
|
|
stdout, stderr = processutils.ssh_execute(
|
|
ssh, 'cat /tmp/boot_entries.json')
|
|
except processutils.ProcessExecutionError as exec_err:
|
|
LOG.warning(_LI('[%(node)s] Error getting boot info. '
|
|
'Error: %(error)s') % {'node': node_uuid,
|
|
'error': exec_err})
|
|
raise
|
|
else:
|
|
multiboot_info = json.loads(stdout)
|
|
bareon_utils.change_node_dict(node, 'instance_info', {
|
|
'multiboot_info': multiboot_info
|
|
})
|
|
LOG.info("[{1}] {0} Multiboot info {0}\n{2}"
|
|
"\n".format("#" * 20, node_uuid, multiboot_info))
|
|
|
|
def _run_actions(self, task, ssh, sftp, sshparams):
|
|
actions_path = get_actions_json_path(task.node)
|
|
if not os.path.exists(actions_path):
|
|
LOG.info(_LI("[%(node)s] No actions specified. Skipping")
|
|
% {'node': task.node.uuid})
|
|
return
|
|
|
|
with open(actions_path) as f:
|
|
actions_data = json.loads(f.read())
|
|
actions_controller = actions.ActionController(
|
|
task, actions_data
|
|
)
|
|
|
|
actions_controller.execute(ssh, sftp, **sshparams)
|
|
|
|
def _bareon_log(self, task, ssh):
|
|
node_uuid = task.node.uuid
|
|
try:
|
|
# TODO(oberezovskyi): Chenge log pulling mechanism (e.g. use
|
|
# remote logging feature of syslog)
|
|
stdout, stderr = processutils.ssh_execute(
|
|
ssh, 'cat /var/log/bareon.log')
|
|
except processutils.ProcessExecutionError as exec_err:
|
|
LOG.warning(_LI('[%(node)s] Error getting Bareon log. '
|
|
'Error: %(error)s') % {'node': node_uuid,
|
|
'error': exec_err})
|
|
else:
|
|
LOG.info("[{1}] {0} Start Bareon log {0}\n{2}\n"
|
|
"[{1}] {0} End Bareon log {0}".format("#" * 20,
|
|
node_uuid,
|
|
stdout))
|
|
|
|
def _run_on_fail_script(self, task, sftp, ssh):
|
|
node = task.node
|
|
node_uuid = node.uuid
|
|
try:
|
|
on_fail_script_path = get_on_fail_script_path(node)
|
|
if not os.path.exists(on_fail_script_path):
|
|
LOG.info(_LI("[%(node)s] No on_fail_script passed. Skipping")
|
|
% {'node': node_uuid})
|
|
return
|
|
|
|
LOG.debug(_LI('[%(node)s] Uploading on_fail script to the node.'),
|
|
{'node': node_uuid})
|
|
sftp.put(on_fail_script_path, '/tmp/bareon_on_fail.sh')
|
|
|
|
LOG.debug("[%(node)s] Executing on_fail_script."
|
|
% {'node': node_uuid})
|
|
out, err = processutils.ssh_execute(
|
|
ssh, "bash %s" % '/tmp/bareon_on_fail.sh')
|
|
|
|
except processutils.ProcessExecutionError as ex:
|
|
LOG.warning(_LI('[%(node)s] Error executing OnFail script. '
|
|
'Error: %(er)s') % {'node': node_uuid, 'er': ex})
|
|
|
|
except exception.SSHConnectFailed as ex:
|
|
LOG.warning(_LI('[%(node)s] SSH connection error. '
|
|
'Error: %(er)s') % {'node': node_uuid, 'er': ex})
|
|
|
|
except Exception as ex:
|
|
LOG.warning(_LI('[%(node)s] Unknown error. '
|
|
'Error: %(error)s') % {'node': node_uuid,
|
|
'error': ex})
|
|
else:
|
|
LOG.info(
|
|
"{0} [{1}] on_fail sctipt result below {0}".format("#" * 40,
|
|
node_uuid))
|
|
LOG.info(out)
|
|
LOG.info(err)
|
|
LOG.info("{0} [{1}] End on_fail script "
|
|
"result {0}".format("#" * 40, node_uuid))
|
|
|
|
def _clean_up_deployment_resources(self, task):
|
|
_clean_up_images(task)
|
|
self._clean_up_actions(task)
|
|
|
|
def _clean_up_actions(self, task):
|
|
filename = get_actions_json_path(task.node)
|
|
if not os.path.exists(filename):
|
|
return
|
|
|
|
with open(filename) as f:
|
|
actions_data = json.loads(f.read())
|
|
|
|
controller = actions.ActionController(task, actions_data)
|
|
controller.cleanup_action_resources()
|
|
|
|
@base.passthru(['POST'])
|
|
@task_manager.require_exclusive_lock
|
|
def exec_actions(self, task, **kwargs):
|
|
actions_json = resources.url_download_json(
|
|
task.context, task.node, kwargs.get('driver_actions'))
|
|
if not actions_json:
|
|
LOG.info("[%s] No driver_actions specified." % task.node.uuid)
|
|
return
|
|
|
|
ssh_user = actions_json.pop('action_user')
|
|
ssh_key_url = actions_json.pop('action_key')
|
|
node_ip = bareon_utils.get_node_ip(task)
|
|
|
|
controller = actions.ActionController(task, actions_json)
|
|
controller.ssh_and_execute(node_ip, ssh_user, ssh_key_url)
|
|
|
|
def _execute_deploy_script(self, task, ssh, cmd, *args, **kwargs):
|
|
# NOTE(oberezovskyi): minutes to seconds
|
|
timeout = CONF.bareon.deploy_timeout * 60
|
|
LOG.debug('[%s] Running cmd (SSH): %s', task.node.uuid, cmd)
|
|
try:
|
|
out, err = bareon_utils.ssh_execute(ssh, cmd, timeout=timeout,
|
|
check_exit_code=True)
|
|
except exception.SSHCommandFailed as err:
|
|
LOG.debug('[%s] Deploy script execute failed: "%s"',
|
|
task.node.uuid, err)
|
|
raise bareon_exception.DeploymentTimeout(timeout=timeout)
|
|
return out, err
|
|
|
|
def _deploy(self, task, ssh, cmd, **params):
|
|
deployment_thread = eventlet.spawn(self._execute_deploy_script,
|
|
task, ssh, cmd, **params)
|
|
|
|
def _wait_for_deployment_finished(task, thread):
|
|
task_node = task.node
|
|
current_node = db_node.Node.get_by_uuid(task.context,
|
|
task_node.uuid)
|
|
|
|
# NOTE(oberezovskyi): greenthread have no way to check is
|
|
# thread already finished, so need to access to
|
|
# private variable
|
|
if thread._exit_event.ready():
|
|
raise loopingcall.LoopingCallDone()
|
|
|
|
if (current_node.instance_info.get(TERMINATE_FLAG,
|
|
'') == 'requested'):
|
|
thread.kill()
|
|
bareon_utils.change_node_dict(
|
|
task_node, 'instance_info',
|
|
{TERMINATE_FLAG: 'done'})
|
|
task_node.save()
|
|
raise bareon_exception.DeployTerminationSucceed()
|
|
|
|
timer = loopingcall.FixedIntervalLoopingCall(
|
|
_wait_for_deployment_finished, task, deployment_thread)
|
|
timer.start(interval=5).wait()
|
|
return deployment_thread.wait()
|
|
|
|
@base.passthru(['POST'], async=False)
|
|
@task_manager.require_exclusive_lock
|
|
def switch_boot(self, task, **kwargs):
|
|
# NOTE(oberezovskyi): exception messages should not be changed because
|
|
# of hardcode in nova-ironic driver
|
|
image = kwargs.get('image')
|
|
LOG.info('[{0}] Attempt to switch boot to {1} '
|
|
'image'.format(task.node.uuid, image))
|
|
|
|
msg = ""
|
|
try:
|
|
if not task.node.instance_info.get('multiboot', False):
|
|
msg = "[{}] Non-multiboot deployment".format(task.node.uuid)
|
|
raise exception.IronicException(message=msg, code=400)
|
|
|
|
boot_info = task.node.instance_info.get('multiboot_info',
|
|
{'elements': []})
|
|
|
|
grub_id = next((element['grub_id']
|
|
for element in boot_info['elements']
|
|
if (element['image_uuid'] == image or
|
|
element['image_name'] == image)), None)
|
|
|
|
if grub_id is None:
|
|
msg = ('[{}] Can\'t find desired multiboot '
|
|
'image'.format(task.node.uuid))
|
|
raise exception.IronicException(message=msg, code=400)
|
|
|
|
elif grub_id == boot_info.get('current_element', None):
|
|
msg = ('[{}] Already in desired boot '
|
|
'device.'.format(task.node.uuid))
|
|
raise exception.IronicException(message=msg, code=400)
|
|
|
|
node_ip = bareon_utils.get_node_ip(task)
|
|
ssh_key = resources.url_download_raw_secured(task.context,
|
|
task.node,
|
|
kwargs['ssh_key'])
|
|
ssh = bareon_utils.get_ssh_connection(task, **{
|
|
'host': node_ip,
|
|
'username': kwargs['ssh_user'],
|
|
'key_contents': ssh_key
|
|
})
|
|
|
|
tmp_path = processutils.ssh_execute(ssh, 'mktemp -d')[0].split()[0]
|
|
cfg_path = os.path.join(tmp_path, 'boot', 'grub2', 'grub.cfg')
|
|
|
|
commands = [
|
|
'mount /dev/disk/by-uuid/{} {}'.format(
|
|
boot_info['multiboot_partition'],
|
|
tmp_path),
|
|
"sed -i 's/\(set default=\)[0-9]*/\\1{}/' {}".format(grub_id,
|
|
cfg_path),
|
|
'umount {}'.format(tmp_path),
|
|
'rmdir {}'.format(tmp_path)
|
|
]
|
|
|
|
map(lambda cmd: processutils.ssh_execute(ssh, 'sudo ' + cmd),
|
|
commands)
|
|
|
|
except exception.SSHConnectFailed as e:
|
|
msg = (
|
|
_('[%(node)s] SSH connect to node %(host)s failed. '
|
|
'Error: %(error)s') % {'host': node_ip, 'error': e,
|
|
'node': task.node.uuid})
|
|
raise exception.IronicException(message=msg, code=400)
|
|
|
|
except exception.IronicException as e:
|
|
msg = str(e)
|
|
raise
|
|
|
|
except Exception as e:
|
|
msg = (_('[%(node)s] Multiboot switch failed for node %(node)s. '
|
|
'Error: %(error)s') % {'node': task.node.uuid,
|
|
'error': e})
|
|
raise exception.IronicException(message=msg, code=400)
|
|
|
|
else:
|
|
boot_info['current_element'] = grub_id
|
|
bareon_utils.change_node_dict(
|
|
task.node, 'instance_info',
|
|
{'multiboot_info': boot_info})
|
|
task.node.save()
|
|
|
|
finally:
|
|
if msg:
|
|
LOG.error(msg)
|
|
task.node.last_error = msg
|
|
task.node.save()
|
|
|
|
|
|
class DeploymentConfigValidator(object):
|
|
_driver = None
|
|
_namespace = 'bareon.drivers.data'
|
|
_min_version = pkg_resources.parse_version('0.0.2')
|
|
|
|
def __init__(self, driver_name):
|
|
self.driver_name = driver_name
|
|
|
|
LOG.debug('Loading bareon data-driver "%s"', self.driver_name)
|
|
try:
|
|
manager = stevedore.driver.DriverManager(
|
|
self._namespace, self.driver_name, verify_requirements=True)
|
|
extension = manager[driver_name]
|
|
version = extension.entry_point.dist.version
|
|
version = pkg_resources.parse_version(version)
|
|
LOG.info('Driver %s-%s loaded', extension.name, version)
|
|
|
|
if version < self._min_version:
|
|
raise RuntimeError(
|
|
'bareon version less than {} does not support '
|
|
'deployment config validation'.format(self._min_version))
|
|
except RuntimeError as e:
|
|
LOG.warning(
|
|
'Fail to load bareon data-driver "%s": %s',
|
|
self.driver_name, e)
|
|
return
|
|
|
|
self._driver = manager.driver
|
|
|
|
def __call__(self, deployment_config):
|
|
if self._driver is None:
|
|
LOG.info(
|
|
'Skipping deployment config validation due to problem in '
|
|
'loading bareon data driver')
|
|
return
|
|
|
|
try:
|
|
with open(deployment_config, 'rt') as stream:
|
|
payload = json.load(stream)
|
|
self._driver.validate_data(payload)
|
|
except (IOError, ValueError, TypeError) as e:
|
|
raise exception.InvalidParameterValue(
|
|
'Unable to load deployment config "{}": {}'.format(
|
|
deployment_config, e))
|
|
except self._driver.exc.WrongInputDataError as e:
|
|
raise exception.InvalidParameterValue(
|
|
'Deployment config has failed validation.\n'
|
|
'{0.message}'.format(e))
|
|
|
|
|
|
def get_provision_json_path(node):
|
|
return os.path.join(resources.get_node_resources_dir(node),
|
|
"provision.json")
|
|
|
|
|
|
def get_actions_json_path(node):
|
|
return os.path.join(resources.get_node_resources_dir(node),
|
|
"actions.json")
|
|
|
|
|
|
def get_on_fail_script_path(node):
|
|
return os.path.join(resources.get_node_resources_dir(node),
|
|
"on_fail_script.sh")
|
|
|
|
|
|
def get_tenant_images_json_path(node):
|
|
return os.path.join(resources.get_node_resources_dir(node),
|
|
"tenant_images.json")
|