# 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 template from django.core import urlresolvers from django.template.defaultfilters import title from django.utils.http import urlencode from django.utils.translation import ugettext_lazy as _ from horizon import api from horizon import tables from horizon.templatetags import sizeformat from horizon.utils.filters import replace_underscores from horizon.dashboards.nova.access_and_security \ .floating_ips.workflows import IPAssociationWorkflow from .tabs import InstanceDetailTabs, LogTab, VNCTab 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 class TerminateInstance(tables.BatchAction): name = "terminate" action_present = _("Terminate") 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: return instance.status != "PAUSED" return True def action(self, request, obj_id): api.server_delete(request, obj_id) class RebootInstance(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' def action(self, request, obj_id): api.server_reboot(request, obj_id) class TogglePause(tables.BatchAction): name = "pause" action_present = (_("Pause"), _("Unpause")) action_past = (_("Paused"), _("Unpaused")) data_type_singular = _("Instance") data_type_plural = _("Instances") classes = ("btn-pause",) def allowed(self, request, instance=None): self.paused = False if not instance: return self.paused self.paused = instance.status == "PAUSED" if self.paused: self.current_present_action = UNPAUSE else: self.current_present_action = PAUSE return instance.status in ACTIVE_STATES or self.paused def action(self, request, obj_id): if self.paused: api.server_unpause(request, obj_id) self.current_past_action = UNPAUSE else: api.server_pause(request, obj_id) self.current_past_action = PAUSE class ToggleSuspend(tables.BatchAction): name = "suspend" action_present = (_("Suspend"), _("Resume")) action_past = (_("Suspended"), _("Resumed")) data_type_singular = _("Instance") data_type_plural = _("Instances") classes = ("btn-suspend",) def allowed(self, request, instance=None): self.suspended = False if not instance: self.suspended self.suspended = instance.status == "SUSPENDED" if self.suspended: self.current_present_action = RESUME else: self.current_present_action = SUSPEND return instance.status in ACTIVE_STATES or self.suspended def action(self, request, obj_id): if self.suspended: api.server_resume(request, obj_id) self.current_past_action = RESUME else: api.server_suspend(request, obj_id) self.current_past_action = SUSPEND class LaunchLink(tables.LinkAction): name = "launch" verbose_name = _("Launch Instance") url = "horizon:nova:instances:launch" classes = ("btn-launch", "ajax-modal") class EditInstance(tables.LinkAction): name = "edit" verbose_name = _("Edit Instance") url = "horizon:nova:instances:update" classes = ("ajax-modal", "btn-edit") class SnapshotLink(tables.LinkAction): name = "snapshot" verbose_name = _("Snapshot") url = "horizon:nova:images_and_snapshots:snapshots:create" classes = ("ajax-modal", "btn-camera") def allowed(self, request, instance=None): return instance.status in ACTIVE_STATES class ConsoleLink(tables.LinkAction): name = "console" verbose_name = _("VNC Console") url = "horizon:nova:instances:detail" classes = ("btn-console",) def allowed(self, request, instance=None): return instance.status in ACTIVE_STATES def get_link_url(self, datum): base_url = super(ConsoleLink, self).get_link_url(datum) tab_query_string = VNCTab(InstanceDetailTabs).get_query_string() return "?".join([base_url, tab_query_string]) class LogLink(tables.LinkAction): name = "log" verbose_name = _("View Log") url = "horizon:nova:instances:detail" classes = ("btn-log",) def allowed(self, request, instance=None): return instance.status in ACTIVE_STATES 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 AssociateIP(tables.LinkAction): name = "associate" verbose_name = _("Associate Floating IP") url = "horizon:nova:access_and_security:floating_ips:associate" classes = ("ajax-modal", "btn-associate") def get_link_url(self, datum): base_url = urlresolvers.reverse(self.url) next = urlresolvers.reverse("horizon:nova:instances:index") params = {"instance_id": self.table.get_object_id(datum), IPAssociationWorkflow.redirect_param_name: next} params = urlencode(params) return "?".join([base_url, params]) class UpdateRow(tables.Row): ajax = True def get_data(self, request, instance_id): instance = api.server_get(request, instance_id) instance.full_flavor = api.flavor_get(request, instance.flavor["id"]) return instance def get_ips(instance): template_name = 'nova/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), '') class InstancesTable(tables.DataTable): TASK_STATUS_CHOICES = ( (None, True), ("none", True) ) STATUS_CHOICES = ( ("active", True), ("suspended", True), ("paused", True), ("error", False), ) TASK_DISPLAY_CHOICES = ( ("image_snapshot", "Snapshotting"), ) name = tables.Column("name", link=("horizon:nova:instances:detail"), verbose_name=_("Instance Name")) ip = tables.Column(get_ips, verbose_name=_("IP Address")) size = tables.Column(get_size, verbose_name=_("Size"), attrs={'data-type': 'size'}) 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) 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 = "instances" verbose_name = _("Instances") status_columns = ["status", "task"] row_class = UpdateRow table_actions = (LaunchLink, TerminateInstance) row_actions = (SnapshotLink, AssociateIP, EditInstance, ConsoleLink, LogLink, TogglePause, ToggleSuspend, RebootInstance, TerminateInstance)