# vim: tabstop=4 shiftwidth=4 softtabstop=4 # Copyright 2012 Nebula, Inc. # # Licensed under the Apache License, Version 2.0 (the "License"); you may # not use this file except in compliance with the License. You may obtain # a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the # License for the specific language governing permissions and limitations # under the License. import logging from django import shortcuts from django import template from django.core import urlresolvers from django.template.defaultfilters import title from django.utils.http import urlencode from django.utils.translation import string_concat, ugettext_lazy as _ from horizon.conf import HORIZON_CONFIG from horizon import exceptions from horizon import messages from horizon import tables from horizon.templatetags import sizeformat from horizon.utils.filters import replace_underscores from openstack_dashboard import api from openstack_dashboard.dashboards.project.access_and_security \ .floating_ips.workflows import IPAssociationWorkflow from .tabs import InstanceDetailTabs, LogTab, ConsoleTab LOG = logging.getLogger(__name__) ACTIVE_STATES = ("ACTIVE",) POWER_STATES = { 0: "NO STATE", 1: "RUNNING", 2: "BLOCKED", 3: "PAUSED", 4: "SHUTDOWN", 5: "SHUTOFF", 6: "CRASHED", 7: "SUSPENDED", 8: "FAILED", 9: "BUILDING", } PAUSE = 0 UNPAUSE = 1 SUSPEND = 0 RESUME = 1 def is_deleting(instance): task_state = getattr(instance, "OS-EXT-STS:task_state", None) if not task_state: return False return task_state.lower() == "deleting" class RebootWinDC(tables.BatchAction): name = "reboot" action_present = _("Reboot") action_past = _("Rebooted") data_type_singular = _("Instance") data_type_plural = _("Instances") classes = ('btn-danger', 'btn-reboot') def allowed(self, request, instance=None): return ((instance.status in ACTIVE_STATES or instance.status == 'SHUTOFF') and not is_deleting(instance)) def action(self, request, obj_id): api.nova.server_reboot(request, obj_id) class CreateWinDC(tables.LinkAction): name = "CreateWinDC" verbose_name = _("Create WinDC") url = "horizon:project:windc:create" classes = ("btn-launch", "ajax-modal") def allowed(self, request, datum): try: limits = api.nova.tenant_absolute_limits(request, reserved=True) instances_available = limits['maxTotalInstances'] \ - limits['totalInstancesUsed'] cores_available = limits['maxTotalCores'] \ - limits['totalCoresUsed'] ram_available = limits['maxTotalRAMSize'] - limits['totalRAMUsed'] if instances_available <= 0 or cores_available <= 0 \ or ram_available <= 0: if "disabled" not in self.classes: self.classes = [c for c in self.classes] + ['disabled'] self.verbose_name = string_concat(self.verbose_name, ' ', _("(Quota exceeded)")) else: self.verbose_name = _("Create WinDC") classes = [c for c in self.classes if c != "disabled"] self.classes = classes except: LOG.exception("Failed to retrieve quota information") # If we can't get the quota information, leave it to the # API to check when launching return True # The action should always be displayed class DeleteWinDC(tables.BatchAction): name = "DeleteWinDC" action_present = _("DeleteWinDC") action_past = _("Scheduled termination of") data_type_singular = _("Instance") data_type_plural = _("Instances") classes = ('btn-danger', 'btn-terminate') def allowed(self, request, instance=None): if instance: # FIXME(gabriel): This is true in Essex, but in FOLSOM an instance # can be terminated in any state. We should improve this error # handling when LP bug 1037241 is implemented. return instance.status not in ("PAUSED", "SUSPENDED") return True def action(self, request, obj_id): api.nova.server_delete(request, obj_id) class EditWinDC(tables.LinkAction): name = "edit" verbose_name = _("Edit Instance") url = "horizon:project:instances:update" classes = ("ajax-modal", "btn-edit") def allowed(self, request, instance): return not is_deleting(instance) class ConsoleLink(tables.LinkAction): name = "console" verbose_name = _("Console") url = "horizon:project:instances:detail" classes = ("btn-console",) def allowed(self, request, instance=None): return instance.status in ACTIVE_STATES and not is_deleting(instance) def get_link_url(self, datum): base_url = super(ConsoleLink, self).get_link_url(datum) tab_query_string = ConsoleTab(InstanceDetailTabs).get_query_string() return "?".join([base_url, tab_query_string]) class LogLink(tables.LinkAction): name = "log" verbose_name = _("View Log") url = "horizon:project:instances:detail" classes = ("btn-log",) def allowed(self, request, instance=None): return instance.status in ACTIVE_STATES and not is_deleting(instance) def get_link_url(self, datum): base_url = super(LogLink, self).get_link_url(datum) tab_query_string = LogTab(InstanceDetailTabs).get_query_string() return "?".join([base_url, tab_query_string]) class UpdateRow(tables.Row): ajax = True def get_data(self, request, instance_id): instance = api.nova.server_get(request, instance_id) instance.full_flavor = api.nova.flavor_get(request, instance.flavor["id"]) return instance def get_ips(instance): template_name = 'project/instances/_instance_ips.html' context = {"instance": instance} return template.loader.render_to_string(template_name, context) def get_size(instance): if hasattr(instance, "full_flavor"): size_string = _("%(name)s | %(RAM)s RAM | %(VCPU)s VCPU " "| %(disk)s Disk") vals = {'name': instance.full_flavor.name, 'RAM': sizeformat.mbformat(instance.full_flavor.ram), 'VCPU': instance.full_flavor.vcpus, 'disk': sizeformat.diskgbformat(instance.full_flavor.disk)} return size_string % vals return _("Not available") def get_keyname(instance): if hasattr(instance, "key_name"): keyname = instance.key_name return keyname return _("Not available") def get_power_state(instance): return POWER_STATES.get(getattr(instance, "OS-EXT-STS:power_state", 0), '') STATUS_DISPLAY_CHOICES = ( ("resize", "Resize/Migrate"), ("verify_resize", "Confirm or Revert Resize/Migrate"), ("revert_resize", "Revert Resize/Migrate"), ) TASK_DISPLAY_CHOICES = ( ("image_snapshot", "Snapshotting"), ("resize_prep", "Preparing Resize or Migrate"), ("resize_migrating", "Resizing or Migrating"), ("resize_migrated", "Resized or Migrated"), ("resize_finish", "Finishing Resize or Migrate"), ("resize_confirming", "Confirming Resize or Nigrate"), ("resize_reverting", "Reverting Resize or Migrate"), ("unpausing", "Resuming"), ) class WinDCTable(tables.DataTable): TASK_STATUS_CHOICES = ( (None, True), ("none", True) ) STATUS_CHOICES = ( ("active", True), ("shutoff", True), ("error", False), ) name = tables.Column("name", link=("horizon:project:instances:detail"), verbose_name=_("WinDC Instance Name")) ip = tables.Column(get_ips, verbose_name=_("IP Address")) size = tables.Column(get_size, verbose_name=_("Type"), attrs={'data-type': 'type'}) keypair = tables.Column(get_keyname, verbose_name=_("Keypair")) status = tables.Column("status", filters=(title, replace_underscores), verbose_name=_("Status"), status=True, status_choices=STATUS_CHOICES, display_choices=STATUS_DISPLAY_CHOICES) task = tables.Column("OS-EXT-STS:task_state", verbose_name=_("Task"), filters=(title, replace_underscores), status=True, status_choices=TASK_STATUS_CHOICES, display_choices=TASK_DISPLAY_CHOICES) state = tables.Column(get_power_state, filters=(title, replace_underscores), verbose_name=_("Power State")) class Meta: name = "windc" verbose_name = _("WinDC") status_columns = ["status", "task"] row_class = UpdateRow table_actions = (CreateWinDC, DeleteWinDC) row_actions = (EditWinDC, ConsoleLink, LogLink, RebootWinDC)