dbfcc97e89
blueprint quantum-floating-ip This commit allows OpenStack dashboard users to use Quantum floating IP feature directly using Quantum API rather than Nova Proxy. By this users can associates a floating IP per virtual NIC. blueprint nova-net-quantum-abstraction This commit defines an abstract class in api/network.py. This class provides common interfaces related to network features duplicated in Nova and Quantum. A concrete class to handle operations should be defined in api/nova.py or api/quantum.py. Change-Id: I780356a9f41e72e32ce1877d390ac7f99e96899c
454 lines
16 KiB
Python
454 lines
16 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2012 Nebula, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import logging
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from django import shortcuts
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from django import template
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from django.core import urlresolvers
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from django.template.defaultfilters import title
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from django.utils.http import urlencode
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from django.utils.translation import string_concat, ugettext_lazy as _
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from horizon.conf import HORIZON_CONFIG
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from horizon import exceptions
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from horizon import messages
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from horizon import tables
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from horizon.templatetags import sizeformat
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from horizon.utils.filters import replace_underscores
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from openstack_dashboard import api
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from openstack_dashboard.dashboards.project.access_and_security \
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.floating_ips.workflows import IPAssociationWorkflow
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from .tabs import InstanceDetailTabs, LogTab, ConsoleTab
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LOG = logging.getLogger(__name__)
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ACTIVE_STATES = ("ACTIVE",)
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POWER_STATES = {
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0: "NO STATE",
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1: "RUNNING",
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2: "BLOCKED",
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3: "PAUSED",
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4: "SHUTDOWN",
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5: "SHUTOFF",
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6: "CRASHED",
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7: "SUSPENDED",
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8: "FAILED",
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9: "BUILDING",
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}
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PAUSE = 0
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UNPAUSE = 1
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SUSPEND = 0
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RESUME = 1
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def is_deleting(instance):
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task_state = getattr(instance, "OS-EXT-STS:task_state", None)
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if not task_state:
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return False
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return task_state.lower() == "deleting"
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class TerminateInstance(tables.BatchAction):
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name = "terminate"
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action_present = _("Terminate")
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action_past = _("Scheduled termination of")
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data_type_singular = _("Instance")
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data_type_plural = _("Instances")
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classes = ('btn-danger', 'btn-terminate')
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def allowed(self, request, instance=None):
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if instance:
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# FIXME(gabriel): This is true in Essex, but in FOLSOM an instance
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# can be terminated in any state. We should improve this error
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# handling when LP bug 1037241 is implemented.
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return instance.status not in ("PAUSED", "SUSPENDED")
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return True
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def action(self, request, obj_id):
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api.nova.server_delete(request, obj_id)
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class RebootInstance(tables.BatchAction):
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name = "reboot"
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action_present = _("Reboot")
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action_past = _("Rebooted")
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data_type_singular = _("Instance")
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data_type_plural = _("Instances")
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classes = ('btn-danger', 'btn-reboot')
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def allowed(self, request, instance=None):
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return ((instance.status in ACTIVE_STATES
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or instance.status == 'SHUTOFF')
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and not is_deleting(instance))
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def action(self, request, obj_id):
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api.nova.server_reboot(request, obj_id)
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class TogglePause(tables.BatchAction):
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name = "pause"
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action_present = (_("Pause"), _("Resume"))
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action_past = (_("Paused"), _("Resumed"))
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data_type_singular = _("Instance")
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data_type_plural = _("Instances")
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classes = ("btn-pause",)
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def allowed(self, request, instance=None):
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self.paused = False
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if not instance:
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return self.paused
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self.paused = instance.status == "PAUSED"
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if self.paused:
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self.current_present_action = UNPAUSE
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else:
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self.current_present_action = PAUSE
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return ((instance.status in ACTIVE_STATES or self.paused)
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and not is_deleting(instance))
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def action(self, request, obj_id):
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if self.paused:
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api.nova.server_unpause(request, obj_id)
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self.current_past_action = UNPAUSE
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else:
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api.nova.server_pause(request, obj_id)
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self.current_past_action = PAUSE
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class ToggleSuspend(tables.BatchAction):
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name = "suspend"
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action_present = (_("Suspend"), _("Resume"))
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action_past = (_("Suspended"), _("Resumed"))
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data_type_singular = _("Instance")
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data_type_plural = _("Instances")
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classes = ("btn-suspend",)
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def allowed(self, request, instance=None):
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self.suspended = False
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if not instance:
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self.suspended
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self.suspended = instance.status == "SUSPENDED"
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if self.suspended:
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self.current_present_action = RESUME
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else:
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self.current_present_action = SUSPEND
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return ((instance.status in ACTIVE_STATES or self.suspended)
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and not is_deleting(instance))
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def action(self, request, obj_id):
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if self.suspended:
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api.nova.server_resume(request, obj_id)
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self.current_past_action = RESUME
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else:
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api.nova.server_suspend(request, obj_id)
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self.current_past_action = SUSPEND
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class LaunchLink(tables.LinkAction):
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name = "launch"
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verbose_name = _("Launch Instance")
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url = "horizon:project:instances:launch"
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classes = ("btn-launch", "ajax-modal")
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def allowed(self, request, datum):
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try:
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limits = api.nova.tenant_absolute_limits(request, reserved=True)
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instances_available = limits['maxTotalInstances'] \
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- limits['totalInstancesUsed']
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cores_available = limits['maxTotalCores'] \
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- limits['totalCoresUsed']
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ram_available = limits['maxTotalRAMSize'] - limits['totalRAMUsed']
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if instances_available <= 0 or cores_available <= 0 \
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or ram_available <= 0:
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if "disabled" not in self.classes:
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self.classes = [c for c in self.classes] + ['disabled']
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self.verbose_name = string_concat(self.verbose_name, ' ',
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_("(Quota exceeded)"))
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else:
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self.verbose_name = _("Launch Instance")
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classes = [c for c in self.classes if c != "disabled"]
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self.classes = classes
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except:
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LOG.exception("Failed to retrieve quota information")
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# If we can't get the quota information, leave it to the
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# API to check when launching
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return True # The action should always be displayed
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class EditInstance(tables.LinkAction):
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name = "edit"
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verbose_name = _("Edit Instance")
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url = "horizon:project:instances:update"
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classes = ("ajax-modal", "btn-edit")
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def allowed(self, request, instance):
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return not is_deleting(instance)
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class CreateSnapshot(tables.LinkAction):
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name = "snapshot"
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verbose_name = _("Create Snapshot")
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url = "horizon:project:images_and_snapshots:snapshots:create"
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classes = ("ajax-modal", "btn-camera")
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def allowed(self, request, instance=None):
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return instance.status in ACTIVE_STATES and not is_deleting(instance)
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class ConsoleLink(tables.LinkAction):
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name = "console"
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verbose_name = _("Console")
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url = "horizon:project:instances:detail"
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classes = ("btn-console",)
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def allowed(self, request, instance=None):
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return instance.status in ACTIVE_STATES and not is_deleting(instance)
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def get_link_url(self, datum):
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base_url = super(ConsoleLink, self).get_link_url(datum)
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tab_query_string = ConsoleTab(InstanceDetailTabs).get_query_string()
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return "?".join([base_url, tab_query_string])
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class LogLink(tables.LinkAction):
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name = "log"
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verbose_name = _("View Log")
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url = "horizon:project:instances:detail"
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classes = ("btn-log",)
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def allowed(self, request, instance=None):
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return instance.status in ACTIVE_STATES and not is_deleting(instance)
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def get_link_url(self, datum):
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base_url = super(LogLink, self).get_link_url(datum)
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tab_query_string = LogTab(InstanceDetailTabs).get_query_string()
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return "?".join([base_url, tab_query_string])
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class ConfirmResize(tables.Action):
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name = "confirm"
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verbose_name = _("Confirm Resize/Migrate")
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classes = ("btn-confirm", "btn-action-required")
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def allowed(self, request, instance):
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return instance.status == 'VERIFY_RESIZE'
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def single(self, table, request, instance):
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api.nova.server_confirm_resize(request, instance)
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class RevertResize(tables.Action):
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name = "revert"
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verbose_name = _("Revert Resize/Migrate")
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classes = ("btn-revert", "btn-action-required")
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def allowed(self, request, instance):
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return instance.status == 'VERIFY_RESIZE'
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def single(self, table, request, instance):
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api.nova.server_revert_resize(request, instance)
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class AssociateIP(tables.LinkAction):
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name = "associate"
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verbose_name = _("Associate Floating IP")
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url = "horizon:project:access_and_security:floating_ips:associate"
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classes = ("ajax-modal", "btn-associate")
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def allowed(self, request, instance):
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fip = api.network.NetworkClient(request).floating_ips
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if fip.is_simple_associate_supported():
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return False
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return not is_deleting(instance)
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def get_link_url(self, datum):
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base_url = urlresolvers.reverse(self.url)
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next = urlresolvers.reverse("horizon:project:instances:index")
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params = {"instance_id": self.table.get_object_id(datum),
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IPAssociationWorkflow.redirect_param_name: next}
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params = urlencode(params)
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return "?".join([base_url, params])
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class SimpleAssociateIP(tables.Action):
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name = "associate-simple"
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verbose_name = _("Associate Floating IP")
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classes = ("btn-associate-simple",)
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def allowed(self, request, instance):
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fip = api.network.NetworkClient(request).floating_ips
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if not fip.is_simple_associate_supported():
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return False
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return not is_deleting(instance)
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def single(self, table, request, instance):
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try:
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fip = api.network.tenant_floating_ip_allocate(request)
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api.network.floating_ip_associate(request, fip.id, instance)
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messages.success(request,
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_("Successfully associated floating IP: %s")
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% fip.ip)
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except:
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exceptions.handle(request,
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_("Unable to associate floating IP."))
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return shortcuts.redirect("horizon:project:instances:index")
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class SimpleDisassociateIP(tables.Action):
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name = "disassociate"
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verbose_name = _("Disassociate Floating IP")
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classes = ("btn-danger", "btn-disassociate",)
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def allowed(self, request, instance):
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if not HORIZON_CONFIG["simple_ip_management"]:
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return False
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return not is_deleting(instance)
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def single(self, table, request, instance_id):
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try:
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fips = [fip for fip in api.network.tenant_floating_ip_list(request)
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if fip.port_id == instance_id]
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# Removing multiple floating IPs at once doesn't work, so this pops
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# off the first one.
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if fips:
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fip = fips.pop()
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api.network.floating_ip_disassociate(request,
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fip.id, instance_id)
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api.network.tenant_floating_ip_release(request, fip.id)
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messages.success(request,
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_("Successfully disassociated "
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"floating IP: %s") % fip.ip)
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else:
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messages.info(request, _("No floating IPs to disassociate."))
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except:
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exceptions.handle(request,
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_("Unable to disassociate floating IP."))
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return shortcuts.redirect("horizon:project:instances:index")
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class UpdateRow(tables.Row):
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ajax = True
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def get_data(self, request, instance_id):
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instance = api.nova.server_get(request, instance_id)
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instance.full_flavor = api.nova.flavor_get(request,
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instance.flavor["id"])
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return instance
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def get_ips(instance):
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template_name = 'project/instances/_instance_ips.html'
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context = {"instance": instance}
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return template.loader.render_to_string(template_name, context)
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def get_size(instance):
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if hasattr(instance, "full_flavor"):
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size_string = _("%(name)s | %(RAM)s RAM | %(VCPU)s VCPU "
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"| %(disk)s Disk")
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vals = {'name': instance.full_flavor.name,
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'RAM': sizeformat.mbformat(instance.full_flavor.ram),
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'VCPU': instance.full_flavor.vcpus,
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'disk': sizeformat.diskgbformat(instance.full_flavor.disk)}
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return size_string % vals
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return _("Not available")
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def get_keyname(instance):
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if hasattr(instance, "key_name"):
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keyname = instance.key_name
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return keyname
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return _("Not available")
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def get_power_state(instance):
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return POWER_STATES.get(getattr(instance, "OS-EXT-STS:power_state", 0), '')
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STATUS_DISPLAY_CHOICES = (
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("resize", "Resize/Migrate"),
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("verify_resize", "Confirm or Revert Resize/Migrate"),
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("revert_resize", "Revert Resize/Migrate"),
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)
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TASK_DISPLAY_CHOICES = (
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("image_snapshot", "Snapshotting"),
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("resize_prep", "Preparing Resize or Migrate"),
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("resize_migrating", "Resizing or Migrating"),
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("resize_migrated", "Resized or Migrated"),
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("resize_finish", "Finishing Resize or Migrate"),
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("resize_confirming", "Confirming Resize or Nigrate"),
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("resize_reverting", "Reverting Resize or Migrate"),
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("unpausing", "Resuming"),
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)
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class InstancesTable(tables.DataTable):
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TASK_STATUS_CHOICES = (
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(None, True),
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("none", True)
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)
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STATUS_CHOICES = (
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("active", True),
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("shutoff", True),
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("suspended", True),
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("paused", True),
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("error", False),
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)
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name = tables.Column("name",
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link=("horizon:project:instances:detail"),
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verbose_name=_("Instance Name"))
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ip = tables.Column(get_ips, verbose_name=_("IP Address"))
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size = tables.Column(get_size,
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verbose_name=_("Size"),
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attrs={'data-type': 'size'})
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keypair = tables.Column(get_keyname, verbose_name=_("Keypair"))
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status = tables.Column("status",
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filters=(title, replace_underscores),
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verbose_name=_("Status"),
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status=True,
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status_choices=STATUS_CHOICES,
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display_choices=STATUS_DISPLAY_CHOICES)
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task = tables.Column("OS-EXT-STS:task_state",
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verbose_name=_("Task"),
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filters=(title, replace_underscores),
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status=True,
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status_choices=TASK_STATUS_CHOICES,
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display_choices=TASK_DISPLAY_CHOICES)
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state = tables.Column(get_power_state,
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filters=(title, replace_underscores),
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verbose_name=_("Power State"))
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class Meta:
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name = "instances"
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verbose_name = _("Instances")
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status_columns = ["status", "task"]
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row_class = UpdateRow
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table_actions = (LaunchLink, TerminateInstance)
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row_actions = (ConfirmResize, RevertResize, CreateSnapshot,
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SimpleAssociateIP, AssociateIP,
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SimpleDisassociateIP, EditInstance,
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ConsoleLink, LogLink, TogglePause, ToggleSuspend,
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RebootInstance, TerminateInstance)
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