996 lines
43 KiB
Python
996 lines
43 KiB
Python
# Copyright 2016 IBM Corp.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import itertools
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import six
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import time
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from oslo_log import log as logging
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from oslo_service import periodic_task
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from oslo_utils import excutils
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from oslo_utils import uuidutils
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from zun.common import consts
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from zun.common import exception
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from zun.common.i18n import _
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from zun.common import utils
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from zun.common.utils import translate_exception
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from zun.common.utils import wrap_container_event
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from zun.common.utils import wrap_exception
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from zun.compute import compute_node_tracker
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import zun.conf
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from zun.container import driver
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from zun.image import driver as image_driver
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from zun.image.glance import driver as glance
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from zun import objects
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CONF = zun.conf.CONF
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LOG = logging.getLogger(__name__)
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class Manager(periodic_task.PeriodicTasks):
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"""Manages the running containers."""
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def __init__(self, container_driver=None):
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super(Manager, self).__init__(CONF)
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self.driver = driver.load_container_driver(container_driver)
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self.host = CONF.host
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self._resource_tracker = None
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if self._use_sandbox():
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self.use_sandbox = True
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else:
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self.use_sandbox = False
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def restore_running_container(self, context, container, db_container):
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if (container.status == consts.RUNNING and
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db_container.status == consts.STOPPED):
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try:
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self.container_reboot(context, container, 10)
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except Exception:
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LOG.exception("Failed to complete a restart for container %s",
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container.uuid)
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def init_containers(self, context):
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containers = objects.Container.list_by_host(context, self.host)
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db_containers = self.driver.list(context)
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db_container_map = {container.container_id: container
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for container in db_containers
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if container.container_id is not None}
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for container in containers:
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self._init_container(context, container)
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if CONF.compute.resume_container_state and \
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container.container_id is not None:
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db_container = db_container_map[container.container_id]
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self.restore_running_container(context,
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container,
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db_container)
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def _init_container(self, context, container):
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'''Initialize this container during zun-compute init.'''
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if (container.status == consts.CREATING or
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container.task_state in [consts.CONTAINER_CREATING,
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consts.IMAGE_PULLING]):
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LOG.debug("Container %s failed to create correctly, "
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"setting to ERROR state", container.uuid)
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container.task_state = None
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container.status = consts.ERROR
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container.save()
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return
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if (container.status == consts.DELETING or
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container.task_state == consts.CONTAINER_DELETING):
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try:
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self.container_delete(context, container, force=True)
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except Exception:
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# Don't block the init_container
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LOG.exception("Failed to complete a deletion for container %s",
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container.uuid)
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return
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if container.task_state == consts.CONTAINER_REBOOTING:
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try:
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self.container_reboot(context, container,
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CONF.docker.default_timeout)
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except Exception:
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# Don't block the init_container
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LOG.exception("Failed to reboot container %s",
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container.uuid)
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return
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if container.task_state == consts.CONTAINER_STOPPING:
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if container.status == consts.STOPPED:
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LOG.info("Container %s is already stop when stop is called.",
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container.uuid)
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self._update_task_state(context, container, None)
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else:
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try:
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self.container_stop(context, container,
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CONF.docker.default_timeout)
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except Exception:
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# Don't block the init_container
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LOG.exception("Failed to stop container %s",
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container.uuid)
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return
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if container.task_state == consts.CONTAINER_STARTING:
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if container.status == consts.RUNNING:
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LOG.info("Container %s is already start when start is called.",
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container.uuid)
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self._update_task_state(context, container, None)
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else:
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try:
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self.container_start(context, container)
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except Exception:
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# Don't block the init_container
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LOG.exception("Failed to start container %s",
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container.uuid)
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return
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def _fail_container(self, context, container, error, unset_host=False):
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try:
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self._detach_volumes(context, container)
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except Exception as e:
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LOG.exception("Failed to detach volumes: %s",
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six.text_type(e))
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container.status = consts.ERROR
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container.status_reason = error
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container.task_state = None
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if unset_host:
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container.host = None
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container.save(context)
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def _wait_for_volumes_available(self, context, volumes, container,
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timeout=60, poll_interval=1):
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start_time = time.time()
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try:
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volumes = itertools.chain(volumes)
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volume = next(volumes)
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while time.time() - start_time < timeout:
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if self.driver.is_volume_available(context, volume):
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volume = next(volumes)
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time.sleep(poll_interval)
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except StopIteration:
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return
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msg = _("Volumes did not reach available status after"
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"%d seconds") % (timeout)
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self._fail_container(context, container, msg, unset_host=True)
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raise exception.Conflict(msg)
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def container_create(self, context, limits, requested_networks,
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requested_volumes, container, run, pci_requests=None):
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@utils.synchronized(container.uuid)
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def do_container_create():
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self._wait_for_volumes_available(context, requested_volumes,
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container)
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if not self._attach_volumes(context, container, requested_volumes):
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return
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created_container = self._do_container_create(
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context, container, requested_networks, requested_volumes,
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pci_requests, limits)
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if run and created_container:
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self._do_container_start(context, created_container)
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utils.spawn_n(do_container_create)
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def _do_sandbox_cleanup(self, context, container):
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sandbox_id = container.get_sandbox_id()
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if sandbox_id is None:
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return
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try:
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self.driver.delete_sandbox(context, container)
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except Exception as e:
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LOG.error("Error occurred while deleting sandbox: %s",
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six.text_type(e))
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def _update_task_state(self, context, container, task_state):
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container.task_state = task_state
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container.save(context)
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def _do_container_create_base(self, context, container, requested_networks,
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requested_volumes, sandbox=None, limits=None,
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reraise=False):
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self._update_task_state(context, container, consts.IMAGE_PULLING)
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repo, tag = utils.parse_image_name(container.image)
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image_pull_policy = utils.get_image_pull_policy(
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container.image_pull_policy, tag)
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image_driver_name = container.image_driver
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try:
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image, image_loaded = image_driver.pull_image(
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context, repo, tag, image_pull_policy, image_driver_name)
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image['repo'], image['tag'] = repo, tag
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if not image_loaded:
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self.driver.load_image(image['path'])
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except exception.ImageNotFound as e:
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with excutils.save_and_reraise_exception(reraise=reraise):
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LOG.error(six.text_type(e))
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self._do_sandbox_cleanup(context, container)
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self._fail_container(context, container, six.text_type(e))
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return
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except exception.DockerError as e:
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with excutils.save_and_reraise_exception(reraise=reraise):
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LOG.error("Error occurred while calling Docker image API: %s",
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six.text_type(e))
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self._do_sandbox_cleanup(context, container)
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self._fail_container(context, container, six.text_type(e))
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return
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except Exception as e:
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with excutils.save_and_reraise_exception(reraise=reraise):
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LOG.exception("Unexpected exception: %s",
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six.text_type(e))
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self._do_sandbox_cleanup(context, container)
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self._fail_container(context, container, six.text_type(e))
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return
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container.task_state = consts.CONTAINER_CREATING
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container.image_driver = image.get('driver')
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container.save(context)
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try:
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if image['driver'] == 'glance':
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self.driver.read_tar_image(image)
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container = self.driver.create(context, container, image,
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requested_networks,
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requested_volumes)
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self._update_task_state(context, container, None)
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return container
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except exception.DockerError as e:
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with excutils.save_and_reraise_exception(reraise=reraise):
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LOG.error("Error occurred while calling Docker create API: %s",
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six.text_type(e))
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self._do_sandbox_cleanup(context, container)
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self._fail_container(context, container, six.text_type(e),
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unset_host=True)
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return
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except Exception as e:
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with excutils.save_and_reraise_exception(reraise=reraise):
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LOG.exception("Unexpected exception: %s",
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six.text_type(e))
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self._do_sandbox_cleanup(context, container)
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self._fail_container(context, container, six.text_type(e),
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unset_host=True)
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return
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@wrap_container_event(prefix='compute')
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def _do_container_create(self, context, container, requested_networks,
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requested_volumes, pci_requests=None,
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limits=None, reraise=False):
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LOG.debug('Creating container: %s', container.uuid)
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try:
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rt = self._get_resource_tracker()
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# As sriov port also need to claim, we need claim pci port before
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# create sandbox.
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with rt.container_claim(context, container, pci_requests, limits):
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sandbox = None
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if self.use_sandbox:
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sandbox = self._create_sandbox(context, container,
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requested_networks,
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reraise)
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if sandbox is None:
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return
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created_container = self._do_container_create_base(
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context, container, requested_networks, requested_volumes,
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sandbox, limits, reraise)
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return created_container
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except Exception as e:
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# Other exception has handled in create sandbox and create base,
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# exception occured here only can be the claim failed.
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with excutils.save_and_reraise_exception(reraise=reraise):
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LOG.exception("Container resource claim failed: %s",
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six.text_type(e))
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self._fail_container(context, container, six.text_type(e),
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unset_host=True)
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return
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def _attach_volumes(self, context, container, volumes):
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try:
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for volume in volumes:
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volume.container_uuid = container.uuid
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self._attach_volume(context, volume)
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return True
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except Exception as e:
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with excutils.save_and_reraise_exception(reraise=False):
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self._fail_container(context, container, six.text_type(e),
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unset_host=True)
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def _attach_volume(self, context, volume):
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volume.create(context)
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context = context.elevated()
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LOG.info('Attaching volume %(volume_id)s to %(host)s',
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{'volume_id': volume.volume_id,
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'host': CONF.host})
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try:
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self.driver.attach_volume(context, volume)
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except Exception:
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with excutils.save_and_reraise_exception():
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LOG.error("Failed to attach volume %(volume_id)s to "
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"container %(container_id)s",
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{'volume_id': volume.volume_id,
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'container_id': volume.container_uuid})
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volume.destroy()
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def _detach_volumes(self, context, container, reraise=True):
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volumes = objects.VolumeMapping.list_by_container(context,
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container.uuid)
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for volume in volumes:
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self._detach_volume(context, volume, reraise=reraise)
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if volume.auto_remove:
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self.driver.delete_volume(context, volume)
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def _detach_volume(self, context, volume, reraise=True):
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context = context.elevated()
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try:
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self.driver.detach_volume(context, volume)
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except Exception:
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with excutils.save_and_reraise_exception(reraise=reraise):
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LOG.error("Failed to detach volume %(volume_id)s from "
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"container %(container_id)s",
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{'volume_id': volume.volume_id,
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'container_id': volume.container_uuid})
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volume.destroy()
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def _use_sandbox(self):
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if CONF.use_sandbox and self.driver.capabilities["support_sandbox"]:
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return True
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elif (not CONF.use_sandbox and
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self.driver.capabilities["support_standalone"]):
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return False
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else:
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raise exception.ZunException(_(
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"The configuration of use_sandbox '%(use_sandbox)s' is not "
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"supported by driver '%(driver)s'.") %
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{'use_sandbox': CONF.use_sandbox,
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'driver': self.driver})
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def _create_sandbox(self, context, container, requested_networks,
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reraise=False):
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self._update_task_state(context, container, consts.SANDBOX_CREATING)
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sandbox_image = CONF.sandbox_image
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sandbox_image_driver = CONF.sandbox_image_driver
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sandbox_image_pull_policy = CONF.sandbox_image_pull_policy
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repo, tag = utils.parse_image_name(sandbox_image)
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try:
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image, image_loaded = image_driver.pull_image(
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context, repo, tag, sandbox_image_pull_policy,
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sandbox_image_driver)
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if not image_loaded:
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self.driver.load_image(image['path'])
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sandbox_id = self.driver.create_sandbox(
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context, container, image=sandbox_image,
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requested_networks=requested_networks,
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requested_volumes=[])
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return sandbox_id
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except Exception as e:
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with excutils.save_and_reraise_exception(reraise=reraise):
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LOG.exception("Unexpected exception: %s",
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six.text_type(e))
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self._fail_container(context, container, six.text_type(e))
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@wrap_container_event(prefix='compute')
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def _do_container_start(self, context, container):
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LOG.debug('Starting container: %s', container.uuid)
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self._update_task_state(context, container, consts.CONTAINER_STARTING)
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try:
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container = self.driver.start(context, container)
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self._update_task_state(context, container, None)
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return container
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except exception.DockerError as e:
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with excutils.save_and_reraise_exception(reraise=False):
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LOG.error("Error occurred while calling Docker start API: %s",
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six.text_type(e))
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self._fail_container(context, container, six.text_type(e))
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except Exception as e:
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with excutils.save_and_reraise_exception(reraise=False):
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LOG.exception("Unexpected exception: %s",
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six.text_type(e))
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self._fail_container(context, container, six.text_type(e))
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@translate_exception
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def container_delete(self, context, container, force=False):
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@utils.synchronized(container.uuid)
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def do_container_delete():
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self._do_container_delete(context, container, force)
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utils.spawn_n(do_container_delete)
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def _do_container_delete(self, context, container, force):
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LOG.debug('Deleting container: %s', container.uuid)
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self._update_task_state(context, container, consts.CONTAINER_DELETING)
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reraise = not force
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try:
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self.driver.delete(context, container, force)
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if self.use_sandbox:
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self._delete_sandbox(context, container, reraise)
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except exception.DockerError as e:
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with excutils.save_and_reraise_exception(reraise=reraise):
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LOG.error("Error occurred while calling Docker "
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"delete API: %s", six.text_type(e))
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self._fail_container(context, container, six.text_type(e))
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except Exception as e:
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with excutils.save_and_reraise_exception(reraise=reraise):
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LOG.exception("Unexpected exception: %s", six.text_type(e))
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self._fail_container(context, container, six.text_type(e))
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self._detach_volumes(context, container, reraise=reraise)
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self._update_task_state(context, container, None)
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container.destroy(context)
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self._get_resource_tracker()
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# Remove the claimed resource
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rt = self._get_resource_tracker()
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rt.remove_usage_from_container(context, container, True)
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def _delete_sandbox(self, context, container, reraise=False):
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sandbox_id = container.get_sandbox_id()
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if sandbox_id:
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self._update_task_state(context, container,
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consts.SANDBOX_DELETING)
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try:
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self.driver.delete_sandbox(context, container)
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except Exception as e:
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with excutils.save_and_reraise_exception(reraise=reraise):
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LOG.exception("Unexpected exception: %s", six.text_type(e))
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self._fail_container(context, container, six.text_type(e))
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def add_security_group(self, context, container, security_group):
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@utils.synchronized(container.uuid)
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def do_add_security_group():
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self._add_security_group(context, container, security_group)
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utils.spawn_n(do_add_security_group)
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@wrap_exception()
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@wrap_container_event(prefix='compute')
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def _add_security_group(self, context, container, security_group):
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LOG.debug('Adding security_group to container: %s', container.uuid)
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self.driver.add_security_group(context, container, security_group)
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container.security_groups += [security_group]
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container.save(context)
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def remove_security_group(self, context, container, security_group):
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@utils.synchronized(container.uuid)
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def do_remove_security_group():
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self._remove_security_group(context, container, security_group)
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utils.spawn_n(do_remove_security_group)
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@wrap_exception()
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@wrap_container_event(prefix='compute')
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def _remove_security_group(self, context, container, security_group):
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LOG.debug('Removing security_group from container: %s', container.uuid)
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self.driver.remove_security_group(context, container,
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security_group)
|
|
security_groups = (set(container.security_groups)
|
|
- set([security_group]))
|
|
container.security_groups = list(security_groups)
|
|
container.save(context)
|
|
|
|
@translate_exception
|
|
def container_show(self, context, container):
|
|
LOG.debug('Showing container: %s', container.uuid)
|
|
try:
|
|
container = self.driver.show(context, container)
|
|
if container.obj_what_changed():
|
|
container.save(context)
|
|
return container
|
|
except exception.DockerError as e:
|
|
LOG.error("Error occurred while calling Docker show API: %s",
|
|
six.text_type(e))
|
|
raise
|
|
except Exception as e:
|
|
LOG.exception("Unexpected exception: %s", six.text_type(e))
|
|
raise
|
|
|
|
@wrap_exception()
|
|
@wrap_container_event(prefix='compute')
|
|
def _do_container_reboot(self, context, container, timeout):
|
|
LOG.debug('Rebooting container: %s', container.uuid)
|
|
self._update_task_state(context, container, consts.CONTAINER_REBOOTING)
|
|
container = self.driver.reboot(context, container, timeout)
|
|
self._update_task_state(context, container, None)
|
|
return container
|
|
|
|
def container_reboot(self, context, container, timeout):
|
|
@utils.synchronized(container.uuid)
|
|
def do_container_reboot():
|
|
self._do_container_reboot(context, container, timeout)
|
|
|
|
utils.spawn_n(do_container_reboot)
|
|
|
|
@wrap_exception()
|
|
@wrap_container_event(prefix='compute')
|
|
def _do_container_stop(self, context, container, timeout):
|
|
LOG.debug('Stopping container: %s', container.uuid)
|
|
self._update_task_state(context, container, consts.CONTAINER_STOPPING)
|
|
container = self.driver.stop(context, container, timeout)
|
|
self._update_task_state(context, container, None)
|
|
return container
|
|
|
|
def container_stop(self, context, container, timeout):
|
|
@utils.synchronized(container.uuid)
|
|
def do_container_stop():
|
|
self._do_container_stop(context, container, timeout)
|
|
|
|
utils.spawn_n(do_container_stop)
|
|
|
|
def container_start(self, context, container):
|
|
@utils.synchronized(container.uuid)
|
|
def do_container_start():
|
|
self._do_container_start(context, container)
|
|
|
|
utils.spawn_n(do_container_start)
|
|
|
|
@wrap_exception()
|
|
@wrap_container_event(prefix='compute')
|
|
def _do_container_pause(self, context, container):
|
|
LOG.debug('Pausing container: %s', container.uuid)
|
|
container = self.driver.pause(context, container)
|
|
container.save(context)
|
|
return container
|
|
|
|
def container_pause(self, context, container):
|
|
@utils.synchronized(container.uuid)
|
|
def do_container_pause():
|
|
self._do_container_pause(context, container)
|
|
|
|
utils.spawn_n(do_container_pause)
|
|
|
|
@wrap_exception()
|
|
@wrap_container_event(prefix='compute')
|
|
def _do_container_unpause(self, context, container):
|
|
LOG.debug('Unpausing container: %s', container.uuid)
|
|
container = self.driver.unpause(context, container)
|
|
container.save(context)
|
|
return container
|
|
|
|
def container_unpause(self, context, container):
|
|
@utils.synchronized(container.uuid)
|
|
def do_container_unpause():
|
|
self._do_container_unpause(context, container)
|
|
|
|
utils.spawn_n(do_container_unpause)
|
|
|
|
@translate_exception
|
|
def container_logs(self, context, container, stdout, stderr,
|
|
timestamps, tail, since):
|
|
LOG.debug('Showing container logs: %s', container.uuid)
|
|
try:
|
|
return self.driver.show_logs(context, container,
|
|
stdout=stdout, stderr=stderr,
|
|
timestamps=timestamps, tail=tail,
|
|
since=since)
|
|
except exception.DockerError as e:
|
|
LOG.error("Error occurred while calling Docker logs API: %s",
|
|
six.text_type(e))
|
|
raise
|
|
except Exception as e:
|
|
LOG.exception("Unexpected exception: %s", six.text_type(e))
|
|
raise
|
|
|
|
@translate_exception
|
|
def container_exec(self, context, container, command, run, interactive):
|
|
LOG.debug('Executing command in container: %s', container.uuid)
|
|
try:
|
|
exec_id = self.driver.execute_create(context, container, command,
|
|
interactive)
|
|
if run:
|
|
return self.driver.execute_run(exec_id, command)
|
|
else:
|
|
return {'output': None,
|
|
'exit_code': None,
|
|
'exec_id': exec_id,
|
|
'url': CONF.docker.docker_remote_api_url}
|
|
except exception.DockerError as e:
|
|
LOG.error("Error occurred while calling Docker exec API: %s",
|
|
six.text_type(e))
|
|
raise
|
|
except Exception as e:
|
|
LOG.exception("Unexpected exception: %s", six.text_type(e))
|
|
raise
|
|
|
|
@translate_exception
|
|
def container_exec_resize(self, context, exec_id, height, width):
|
|
LOG.debug('Resizing the tty session used by the exec: %s', exec_id)
|
|
try:
|
|
return self.driver.execute_resize(exec_id, height, width)
|
|
except exception.DockerError as e:
|
|
LOG.error("Error occurred while calling Docker exec API: %s",
|
|
six.text_type(e))
|
|
raise
|
|
except Exception as e:
|
|
LOG.exception("Unexpected exception: %s", six.text_type(e))
|
|
raise
|
|
|
|
@wrap_exception()
|
|
@wrap_container_event(prefix='compute')
|
|
def _do_container_kill(self, context, container, signal):
|
|
LOG.debug('Killing a container: %s', container.uuid)
|
|
container = self.driver.kill(context, container, signal)
|
|
container.save(context)
|
|
return container
|
|
|
|
def container_kill(self, context, container, signal):
|
|
@utils.synchronized(container.uuid)
|
|
def do_container_kill():
|
|
self._do_container_kill(context, container, signal)
|
|
|
|
utils.spawn_n(do_container_kill)
|
|
|
|
@translate_exception
|
|
def container_update(self, context, container, patch):
|
|
LOG.debug('Updating a container: %s', container.uuid)
|
|
# Update only the fields that have changed
|
|
for field, patch_val in patch.items():
|
|
if getattr(container, field) != patch_val:
|
|
setattr(container, field, patch_val)
|
|
|
|
try:
|
|
self.driver.update(context, container)
|
|
container.save(context)
|
|
return container
|
|
except exception.DockerError as e:
|
|
LOG.error("Error occurred while calling docker API: %s",
|
|
six.text_type(e))
|
|
raise
|
|
|
|
@translate_exception
|
|
def container_attach(self, context, container):
|
|
LOG.debug('Get websocket url from the container: %s', container.uuid)
|
|
try:
|
|
url = self.driver.get_websocket_url(context, container)
|
|
token = uuidutils.generate_uuid()
|
|
access_url = '%s?token=%s&uuid=%s' % (
|
|
CONF.websocket_proxy.base_url, token, container.uuid)
|
|
container.websocket_url = url
|
|
container.websocket_token = token
|
|
container.save(context)
|
|
return access_url
|
|
except Exception as e:
|
|
LOG.error("Error occurred while calling "
|
|
"get websocket url function: %s",
|
|
six.text_type(e))
|
|
raise
|
|
|
|
@translate_exception
|
|
def container_resize(self, context, container, height, width):
|
|
LOG.debug('Resize tty to the container: %s', container.uuid)
|
|
try:
|
|
container = self.driver.resize(context, container, height, width)
|
|
return container
|
|
except exception.DockerError as e:
|
|
LOG.error("Error occurred while calling docker "
|
|
"resize API: %s",
|
|
six.text_type(e))
|
|
raise
|
|
|
|
@translate_exception
|
|
def container_top(self, context, container, ps_args):
|
|
LOG.debug('Displaying the running processes inside the container: %s',
|
|
container.uuid)
|
|
try:
|
|
return self.driver.top(context, container, ps_args)
|
|
except exception.DockerError as e:
|
|
LOG.error("Error occurred while calling Docker top API: %s",
|
|
six.text_type(e))
|
|
raise
|
|
except Exception as e:
|
|
LOG.exception("Unexpected exception: %s", six.text_type(e))
|
|
raise
|
|
|
|
@translate_exception
|
|
def container_get_archive(self, context, container, path):
|
|
LOG.debug('Copying resource from the container: %s', container.uuid)
|
|
try:
|
|
return self.driver.get_archive(context, container, path)
|
|
except exception.DockerError as e:
|
|
LOG.error(
|
|
"Error occurred while calling Docker get_archive API: %s",
|
|
six.text_type(e))
|
|
raise
|
|
except Exception as e:
|
|
LOG.exception("Unexpected exception: %s", six.text_type(e))
|
|
raise
|
|
|
|
@translate_exception
|
|
def container_put_archive(self, context, container, path, data):
|
|
LOG.debug('Copying resource to the container: %s', container.uuid)
|
|
try:
|
|
return self.driver.put_archive(context, container, path, data)
|
|
except exception.DockerError as e:
|
|
LOG.error(
|
|
"Error occurred while calling Docker put_archive API: %s",
|
|
six.text_type(e))
|
|
raise
|
|
except Exception as e:
|
|
LOG.exception("Unexpected exception: %s", six.text_type(e))
|
|
raise
|
|
|
|
@translate_exception
|
|
def container_stats(self, context, container):
|
|
LOG.debug('Displaying stats of the container: %s', container.uuid)
|
|
try:
|
|
return self.driver.stats(context, container)
|
|
except exception.DockerError as e:
|
|
LOG.error("Error occurred while calling Docker stats API: %s",
|
|
six.text_type(e))
|
|
raise
|
|
except Exception as e:
|
|
LOG.exception("Unexpected exception: %s", six.text_type(e))
|
|
raise
|
|
|
|
@translate_exception
|
|
def container_commit(self, context, container, repository, tag=None):
|
|
LOG.debug('Committing the container: %s', container.uuid)
|
|
snapshot_image = None
|
|
try:
|
|
# NOTE(miaohb): Glance is the only driver that support image
|
|
# uploading in the current version, so we have hard-coded here.
|
|
# https://bugs.launchpad.net/zun/+bug/1697342
|
|
snapshot_image = image_driver.create_image(context, repository,
|
|
glance.GlanceDriver())
|
|
except exception.DockerError as e:
|
|
LOG.error("Error occurred while calling glance "
|
|
"create_image API: %s",
|
|
six.text_type(e))
|
|
|
|
@utils.synchronized(container.uuid)
|
|
def do_container_commit():
|
|
self._do_container_commit(context, snapshot_image, container,
|
|
repository, tag)
|
|
|
|
utils.spawn_n(do_container_commit)
|
|
return {"uuid": snapshot_image.id}
|
|
|
|
def _do_container_image_upload(self, context, snapshot_image,
|
|
container_image_id, data, tag):
|
|
try:
|
|
image_driver.upload_image_data(context, snapshot_image,
|
|
tag, data, glance.GlanceDriver())
|
|
except Exception as e:
|
|
LOG.exception("Unexpected exception while uploading image: %s",
|
|
six.text_type(e))
|
|
image_driver.delete_image(context, snapshot_image.id,
|
|
glance.GlanceDriver())
|
|
self.driver.delete_image(container_image_id)
|
|
raise
|
|
|
|
@wrap_container_event(prefix='compute')
|
|
def _do_container_commit(self, context, snapshot_image, container,
|
|
repository, tag=None):
|
|
container_image_id = None
|
|
LOG.debug('Creating image...')
|
|
if tag is None:
|
|
tag = 'latest'
|
|
|
|
try:
|
|
container_image_id = self.driver.commit(context, container,
|
|
repository, tag)
|
|
container_image = self.driver.get_image(repository + ':' + tag)
|
|
except exception.DockerError as e:
|
|
LOG.error("Error occurred while calling docker commit API: %s",
|
|
six.text_type(e))
|
|
image_driver.delete_image(context, snapshot_image.id,
|
|
glance.GlanceDriver())
|
|
raise
|
|
LOG.debug('Upload image %s to glance', container_image_id)
|
|
self._do_container_image_upload(context, snapshot_image,
|
|
container_image_id,
|
|
container_image, tag)
|
|
|
|
def image_pull(self, context, image):
|
|
utils.spawn_n(self._do_image_pull, context, image)
|
|
|
|
def _do_image_pull(self, context, image):
|
|
LOG.debug('Creating image...')
|
|
repo_tag = image.repo + ":" + image.tag
|
|
try:
|
|
pulled_image, image_loaded = image_driver.pull_image(
|
|
context, image.repo, image.tag)
|
|
if not image_loaded:
|
|
self.driver.load_image(pulled_image['path'])
|
|
image_dict = self.driver.inspect_image(repo_tag)
|
|
image.image_id = image_dict['Id']
|
|
image.size = image_dict['Size']
|
|
image.save()
|
|
except exception.ImageNotFound as e:
|
|
LOG.error(six.text_type(e))
|
|
return
|
|
except exception.DockerError as e:
|
|
LOG.error("Error occurred while calling Docker image API: %s",
|
|
six.text_type(e))
|
|
raise
|
|
except Exception as e:
|
|
LOG.exception("Unexpected exception: %s",
|
|
six.text_type(e))
|
|
raise
|
|
|
|
@translate_exception
|
|
def image_search(self, context, image, image_driver_name, exact_match):
|
|
LOG.debug('Searching image...', image=image)
|
|
try:
|
|
return image_driver.search_image(context, image,
|
|
image_driver_name, exact_match)
|
|
except Exception as e:
|
|
LOG.exception("Unexpected exception while searching image: %s",
|
|
six.text_type(e))
|
|
raise
|
|
|
|
@periodic_task.periodic_task(run_immediately=True)
|
|
def inventory_host(self, context):
|
|
rt = self._get_resource_tracker()
|
|
rt.update_available_resources(context)
|
|
|
|
def _get_resource_tracker(self):
|
|
if not self._resource_tracker:
|
|
rt = compute_node_tracker.ComputeNodeTracker(self.host,
|
|
self.driver)
|
|
self._resource_tracker = rt
|
|
return self._resource_tracker
|
|
|
|
@periodic_task.periodic_task(run_immediately=True)
|
|
def delete_unused_containers(self, context):
|
|
"""Delete container with status DELETED"""
|
|
# NOTE(kiennt): Need to filter with both status (DELETED) and
|
|
# task_state (None). If task_state in
|
|
# [CONTAINER_DELETING, SANDBOX_DELETING] it may
|
|
# raise some errors when try to delete container.
|
|
filters = {
|
|
'auto_remove': True,
|
|
'status': consts.DELETED,
|
|
'task_state': None,
|
|
}
|
|
containers = objects.Container.list(context,
|
|
filters=filters)
|
|
|
|
if containers:
|
|
for container in containers:
|
|
try:
|
|
msg = ('%(behavior)s deleting container '
|
|
'%(container_name)s with status DELETED')
|
|
LOG.info(msg, {'behavior': 'Start',
|
|
'container_name': container.name})
|
|
self.container_delete(context, container, True)
|
|
LOG.info(msg, {'behavior': 'Complete',
|
|
'container_name': container.name})
|
|
except exception.DockerError:
|
|
return
|
|
except Exception:
|
|
return
|
|
|
|
def capsule_create(self, context, capsule, requested_networks,
|
|
requested_volumes, limits):
|
|
@utils.synchronized("capsule-" + capsule.uuid)
|
|
def do_capsule_create():
|
|
self._do_capsule_create(context, capsule, requested_networks,
|
|
requested_volumes, limits)
|
|
|
|
utils.spawn_n(do_capsule_create)
|
|
|
|
def _do_capsule_create(self, context, capsule,
|
|
requested_networks=None,
|
|
requested_volumes=None,
|
|
limits=None, reraise=False):
|
|
"""Create capsule in the compute node
|
|
|
|
:param context: security context
|
|
:param capsule: the special capsule object
|
|
:param requested_networks: the network ports that capsule will
|
|
connect
|
|
:param requested_volumes: the volume that capsule need
|
|
:param limits: no use field now.
|
|
:param reraise: flag of reraise the error, default is Falses
|
|
"""
|
|
capsule.containers[0].image = CONF.sandbox_image
|
|
capsule.containers[0].image_driver = CONF.sandbox_image_driver
|
|
capsule.containers[0].image_pull_policy = \
|
|
CONF.sandbox_image_pull_policy
|
|
capsule.containers[0].save(context)
|
|
sandbox = self._create_sandbox(context,
|
|
capsule.containers[0],
|
|
requested_networks,
|
|
reraise)
|
|
capsule.containers[0].task_state = None
|
|
capsule.containers[0].status = consts.RUNNING
|
|
sandbox_id = capsule.containers[0].get_sandbox_id()
|
|
capsule.containers[0].container_id = sandbox_id
|
|
capsule.containers[0].save(context)
|
|
capsule.addresses = capsule.containers[0].addresses
|
|
capsule.save(context)
|
|
count = len(capsule.containers)
|
|
|
|
for k in range(1, count):
|
|
container_requested_volumes = []
|
|
capsule.containers[k].set_sandbox_id(sandbox_id)
|
|
capsule.containers[k].addresses = capsule.containers[0].addresses
|
|
container_name = capsule.containers[k].name
|
|
for volume in requested_volumes:
|
|
if volume.get(container_name, None):
|
|
container_requested_volumes.append(
|
|
volume.get(container_name))
|
|
if not self._attach_volumes(context, capsule.containers[k],
|
|
container_requested_volumes):
|
|
return
|
|
# Add volume assignment
|
|
created_container = \
|
|
self._do_container_create_base(context,
|
|
capsule.containers[k],
|
|
requested_networks,
|
|
container_requested_volumes,
|
|
sandbox=sandbox,
|
|
limits=limits)
|
|
if created_container:
|
|
self._do_container_start(context, created_container)
|
|
|
|
# Save the volumes_info to capsule database
|
|
for volumeapp in container_requested_volumes:
|
|
volume_id = volumeapp.volume_id
|
|
container_uuid = volumeapp.container_uuid
|
|
if capsule.volumes_info:
|
|
container_attached = capsule.volumes_info.get(volume_id)
|
|
else:
|
|
capsule.volumes_info = {}
|
|
container_attached = None
|
|
if container_attached:
|
|
if container_uuid not in container_attached:
|
|
container_attached.append(container_uuid)
|
|
else:
|
|
container_list = [container_uuid]
|
|
capsule.volumes_info[volume_id] = container_list
|
|
|
|
capsule.save(context)
|
|
|
|
def capsule_delete(self, context, capsule):
|
|
# NOTE(kevinz): Delete functional containers first and then delete
|
|
# sandbox container
|
|
for uuid in capsule.containers_uuids[1:]:
|
|
try:
|
|
container = \
|
|
objects.Container.get_by_uuid(context, uuid)
|
|
self.container_delete(context, container, force=True)
|
|
except Exception as e:
|
|
LOG.exception("Failed to delete container %(uuid0)s because "
|
|
"it doesn't exist in the capsule. Stale data "
|
|
"identified by %(uuid1)s is deleted from "
|
|
"database: %(error)s",
|
|
{'uuid0': uuid, 'uuid1': uuid, 'error': e})
|
|
try:
|
|
if capsule.containers_uuids:
|
|
container = \
|
|
objects.Container.get_by_uuid(context,
|
|
capsule.containers_uuids[0])
|
|
self.container_delete(context, container, force=True)
|
|
except Exception as e:
|
|
LOG.exception(e)
|
|
capsule.task_state = None
|
|
capsule.save(context)
|
|
capsule.destroy(context)
|
|
|
|
@wrap_exception()
|
|
@wrap_container_event(prefix='compute')
|
|
def network_detach(self, context, container, network):
|
|
LOG.debug('Detach network: %(network)s from container: %(container)s.',
|
|
{'container': container, 'network': network})
|
|
self.driver.network_detach(context, container, network)
|
|
|
|
@wrap_exception()
|
|
@wrap_container_event(prefix='compute')
|
|
def network_attach(self, context, container, network):
|
|
LOG.debug('Attach network: %(network)s to container: %(container)s.',
|
|
{'container': container, 'network': network})
|
|
self.driver.network_attach(context, container, network)
|