297 lines
9.3 KiB
Python
297 lines
9.3 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 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 ugettext_lazy as _
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from horizon import api
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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 horizon.dashboards.nova.access_and_security \
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.floating_ips.workflows import IPAssociationWorkflow
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from .tabs import InstanceDetailTabs, LogTab, VNCTab
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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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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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return instance.status != "PAUSED"
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return True
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def action(self, request, obj_id):
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api.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 or instance.status == 'SHUTOFF'
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def action(self, request, obj_id):
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api.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"), _("Unpause"))
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action_past = (_("Paused"), _("Unpaused"))
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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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def action(self, request, obj_id):
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if self.paused:
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api.server_unpause(request, obj_id)
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self.current_past_action = UNPAUSE
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else:
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api.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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def action(self, request, obj_id):
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if self.suspended:
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api.server_resume(request, obj_id)
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self.current_past_action = RESUME
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else:
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api.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:nova:instances:launch"
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classes = ("btn-launch", "ajax-modal")
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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:nova:instances:update"
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classes = ("ajax-modal", "btn-edit")
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class SnapshotLink(tables.LinkAction):
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name = "snapshot"
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verbose_name = _("Snapshot")
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url = "horizon:nova: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
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class ConsoleLink(tables.LinkAction):
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name = "console"
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verbose_name = _("VNC Console")
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url = "horizon:nova: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
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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 = VNCTab(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:nova: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
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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 AssociateIP(tables.LinkAction):
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name = "associate"
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verbose_name = _("Associate Floating IP")
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url = "horizon:nova:access_and_security:floating_ips:associate"
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classes = ("ajax-modal", "btn-associate")
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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:nova: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 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.server_get(request, instance_id)
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instance.full_flavor = api.flavor_get(request, instance.flavor["id"])
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return instance
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def get_ips(instance):
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template_name = 'nova/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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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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("suspended", True),
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("paused", True),
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("error", False),
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)
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TASK_DISPLAY_CHOICES = (
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("image_snapshot", "Snapshotting"),
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)
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name = tables.Column("name",
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link=("horizon:nova: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, verbose_name=_("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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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 = (SnapshotLink, AssociateIP, EditInstance, ConsoleLink,
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LogLink, TogglePause, ToggleSuspend, RebootInstance,
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TerminateInstance)
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