443 lines
16 KiB
Python
443 lines
16 KiB
Python
# Copyright (c) 2014 eBay Software Foundation
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# Copyright 2015 HP Software, LLC
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# All Rights Reserved.
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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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from django import shortcuts
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from django.template.defaultfilters import title # noqa
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from django import urls
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from django.utils.translation import ugettext_lazy as _
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from django.utils.translation import ungettext_lazy
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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 import filters
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from horizon.utils import functions
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from horizon.utils import memoized
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from oslo_log import log as logging
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from trove_dashboard import api
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from trove_dashboard.content.database_clusters import cluster_manager
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from trove_dashboard.content.databases import db_capability
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LOG = logging.getLogger(__name__)
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ACTIVE_STATES = ("ACTIVE",)
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class DeleteCluster(tables.BatchAction):
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name = "delete"
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icon = "remove"
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classes = ('btn-danger',)
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help_text = _("Deleted cluster is not recoverable.")
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@staticmethod
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def action_present(count):
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return ungettext_lazy(
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u"Delete Cluster",
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u"Delete Clusters",
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count
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)
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@staticmethod
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def action_past(count):
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return ungettext_lazy(
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u"Scheduled deletion of Cluster",
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u"Scheduled deletion of Clusters",
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count
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)
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def action(self, request, obj_id):
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api.trove.cluster_delete(request, obj_id)
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class LaunchLink(tables.LinkAction):
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name = "launch"
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verbose_name = _("Launch Cluster")
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url = "horizon:project:database_clusters:launch"
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classes = ("btn-launch", "ajax-modal")
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icon = "cloud-upload"
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class ClusterGrow(tables.LinkAction):
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name = "cluster_grow"
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verbose_name = _("Grow Cluster")
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url = "horizon:project:database_clusters:cluster_grow_details"
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def allowed(self, request, cluster=None):
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if (cluster and cluster.task["name"] == 'NONE' and
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db_capability.can_modify_cluster(cluster.datastore['type'])):
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return True
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return False
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class ClusterShrink(tables.LinkAction):
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name = "cluster_shrink"
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verbose_name = _("Shrink Cluster")
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url = "horizon:project:database_clusters:cluster_shrink_details"
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def allowed(self, request, cluster=None):
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if (cluster and cluster.task["name"] == 'NONE' and
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db_capability.can_modify_cluster(cluster.datastore['type'])):
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return True
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return False
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class ResetPassword(tables.LinkAction):
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name = "reset_password"
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verbose_name = _("Reset Root Password")
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url = "horizon:project:database_clusters:reset_password"
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classes = ("ajax-modal",)
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def allowed(self, request, cluster=None):
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if (cluster and cluster.task["name"] == 'NONE' and
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db_capability.is_vertica_datastore(cluster.datastore['type'])):
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return True
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return False
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def get_link_url(self, datum):
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cluster_id = self.table.get_object_id(datum)
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return urls.reverse(self.url, args=[cluster_id])
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class UpdateRow(tables.Row):
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ajax = True
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@memoized.memoized_method
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def get_data(self, request, cluster_id):
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cluster = api.trove.cluster_get(request, cluster_id)
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try:
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# TODO(michayu): assumption that cluster is homogeneous
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flavor_id = cluster.instances[0]['flavor']['id']
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cluster.full_flavor = api.trove.flavor_get(request, flavor_id)
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except Exception:
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pass
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return cluster
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def get_datastore(cluster):
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return cluster.datastore["type"]
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def get_datastore_version(cluster):
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return cluster.datastore["version"]
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def get_size(cluster):
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if db_capability.is_vertica_datastore(cluster.datastore['type']):
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return "3"
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if hasattr(cluster, "full_flavor"):
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size_string = _("%(name)s | %(RAM)s RAM | %(instances)s instances")
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vals = {'name': cluster.full_flavor.name,
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'RAM': sizeformat.mbformat(cluster.full_flavor.ram),
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'instances': len(cluster.instances)}
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return size_string % vals
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elif hasattr(cluster, "instances"):
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return "%s instances" % len(cluster.instances)
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return _("Not available")
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def get_task(cluster):
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return cluster.task["name"]
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class ClustersTable(tables.DataTable):
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TASK_CHOICES = (
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("none", True),
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)
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name = tables.Column("name",
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link=("horizon:project:database_clusters:detail"),
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verbose_name=_("Cluster Name"))
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datastore = tables.Column(get_datastore,
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verbose_name=_("Datastore"))
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datastore_version = tables.Column(get_datastore_version,
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verbose_name=_("Datastore Version"))
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size = tables.Column(get_size,
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verbose_name=_("Cluster Size"),
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attrs={'data-type': 'size'})
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task = tables.Column(get_task,
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filters=(title, filters.replace_underscores),
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verbose_name=_("Current Task"),
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status=True,
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status_choices=TASK_CHOICES)
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class Meta(object):
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name = "clusters"
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verbose_name = _("Clusters")
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status_columns = ["task"]
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row_class = UpdateRow
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table_actions = (LaunchLink, DeleteCluster)
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row_actions = (ClusterGrow, ClusterShrink, ResetPassword,
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DeleteCluster)
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def get_instance_size(instance):
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if hasattr(instance, "full_flavor"):
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size_string = _("%(name)s | %(RAM)s RAM")
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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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return size_string % vals
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return _("Not available")
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def get_instance_type(instance):
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if hasattr(instance, "type"):
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return instance.type
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return _("Not available")
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def get_host(instance):
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if hasattr(instance, "hostname"):
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return instance.hostname
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elif hasattr(instance, "ip") and instance.ip:
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return instance.ip[0]
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return _("Not Assigned")
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def get_instance_volume_size(instance):
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if hasattr(instance, "volume"):
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return sizeformat.diskgbformat(instance.volume.get("size"))
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return _("Not available")
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class InstancesTable(tables.DataTable):
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name = tables.Column("name",
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verbose_name=_("Name"))
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type = tables.Column(get_instance_type,
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verbose_name=_("Type"))
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host = tables.Column(get_host,
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verbose_name=_("Host"))
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size = tables.Column(get_instance_size,
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verbose_name=_("Size"),
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attrs={'data-type': 'size'})
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volume_size = tables.Column(get_instance_volume_size,
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verbose_name=_("Volume Size"),
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attrs={'data-type': 'size'})
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status = tables.Column("status",
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filters=(title, filters.replace_underscores),
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verbose_name=_("Status"))
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class Meta(object):
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name = "instances"
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verbose_name = _("Instances")
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class ClusterShrinkAction(tables.BatchAction):
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name = "cluster_shrink_action"
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icon = "remove"
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classes = ('btn-danger',)
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success_url = 'horizon:project:database_clusters:index'
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help_text = _("Shrinking a cluster is not recoverable.")
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@staticmethod
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def action_present(count):
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return ungettext_lazy(
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u"Shrink Cluster",
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u"Shrink Cluster",
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count
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)
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@staticmethod
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def action_past(count):
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return ungettext_lazy(
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u"Scheduled Shrinking of Cluster",
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u"Scheduled Shrinking of Cluster",
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count
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)
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def handle(self, table, request, obj_ids):
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datum_display_objs = []
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for datum_id in obj_ids:
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datum = table.get_object_by_id(datum_id)
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datum_display = table.get_object_display(datum) or datum_id
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datum_display_objs.append(datum_display)
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display_str = functions.lazy_join(", ", datum_display_objs)
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try:
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cluster_id = table.kwargs['cluster_id']
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data = [{'id': instance_id} for instance_id in obj_ids]
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api.trove.cluster_shrink(request, cluster_id, data)
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LOG.info('%s: "%s"' %
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(self._get_action_name(past=True),
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display_str))
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msg = _('Removed instances from cluster.')
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messages.info(request, msg)
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except Exception as ex:
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LOG.error('Action %(action)s failed with %(ex)s for %(data)s' %
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{'action': self._get_action_name(past=True).lower(),
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'ex': ex,
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'data': display_str})
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msg = _('Unable to remove instances from cluster: %s')
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messages.error(request, msg % ex)
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return shortcuts.redirect(self.get_success_url(request))
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class ClusterShrinkInstancesTable(tables.DataTable):
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name = tables.Column("name",
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verbose_name=_("Name"))
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status = tables.Column("status",
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filters=(title, filters.replace_underscores),
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verbose_name=_("Status"))
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class Meta(object):
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name = "shrink_cluster_table"
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verbose_name = _("Instances")
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table_actions = (ClusterShrinkAction,)
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row_actions = (ClusterShrinkAction,)
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class ClusterGrowAddInstance(tables.LinkAction):
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name = "cluster_grow_add_instance"
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verbose_name = _("Add Instance")
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url = "horizon:project:database_clusters:add_instance"
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classes = ("ajax-modal",)
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def get_link_url(self):
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return urls.reverse(
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self.url, args=[self.table.kwargs['cluster_id']])
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class ClusterGrowRemoveInstance(tables.BatchAction):
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name = "cluster_grow_remove_instance"
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@staticmethod
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def action_present(count):
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return ungettext_lazy(
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u"Remove Instance",
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u"Remove Instances",
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count
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)
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@staticmethod
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def action_past(count):
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return ungettext_lazy(
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u"Removed Instance",
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u"Removed Instances",
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count
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)
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def action(self, request, datum_id):
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manager = cluster_manager.get(self.table.kwargs['cluster_id'])
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manager.delete_instance(datum_id)
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def handle(self, table, request, obj_ids):
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action_success = []
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action_failure = []
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action_not_allowed = []
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for datum_id in obj_ids:
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datum = table.get_object_by_id(datum_id)
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datum_display = table.get_object_display(datum) or datum_id
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if not table._filter_action(self, request, datum):
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action_not_allowed.append(datum_display)
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LOG.warning('Permission denied to %s: "%s"' %
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(self._get_action_name(past=True).lower(),
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datum_display))
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continue
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try:
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self.action(request, datum_id)
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# Call update to invoke changes if needed
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self.update(request, datum)
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action_success.append(datum_display)
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self.success_ids.append(datum_id)
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LOG.info('%s: "%s"' %
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(self._get_action_name(past=True), datum_display))
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except Exception as ex:
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# Handle the exception but silence it since we'll display
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# an aggregate error message later. Otherwise we'd get
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# multiple error messages displayed to the user.
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action_failure.append(datum_display)
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action_description = (
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self._get_action_name(past=True).lower(), datum_display)
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LOG.error(
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'Action %(action)s Failed for %(reason)s', {
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'action': action_description, 'reason': ex})
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if action_not_allowed:
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msg = _('You are not allowed to %(action)s: %(objs)s')
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params = {"action":
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self._get_action_name(action_not_allowed).lower(),
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"objs": functions.lazy_join(", ", action_not_allowed)}
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messages.error(request, msg % params)
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if action_failure:
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msg = _('Unable to %(action)s: %(objs)s')
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params = {"action": self._get_action_name(action_failure).lower(),
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"objs": functions.lazy_join(", ", action_failure)}
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messages.error(request, msg % params)
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return shortcuts.redirect(self.get_success_url(request))
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class ClusterGrowAction(tables.Action):
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name = "grow_cluster_action"
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verbose_name = _("Grow Cluster")
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verbose_name_plural = _("Grow Cluster")
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requires_input = False
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icon = "plus"
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def handle(self, table, request, obj_ids):
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if not table.data:
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msg = _("Cannot grow cluster. No instances specified.")
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messages.info(request, msg)
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return shortcuts.redirect(request.build_absolute_uri())
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datum_display_objs = []
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for instance in table.data:
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msg = _("[flavor=%(flavor)s, volume=%(volume)s, name=%(name)s, "
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"type=%(type)s, related_to=%(related_to)s, "
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"nics=%(nics)s]")
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params = {"flavor": instance.flavor_id, "volume": instance.volume,
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"name": instance.name, "type": instance.type,
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"related_to": instance.related_to, "nics": instance.nics}
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datum_display_objs.append(msg % params)
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display_str = functions.lazy_join(", ", datum_display_objs)
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cluster_id = table.kwargs['cluster_id']
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try:
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api.trove.cluster_grow(request, cluster_id, table.data)
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LOG.info('%s: "%s"' % (_("Grow Cluster"), display_str))
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msg = _('Scheduled growing of cluster.')
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messages.success(request, msg)
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except Exception as ex:
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LOG.error('Action grow cluster failed with %(ex)s for %(data)s' %
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{'ex': ex,
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'data': display_str})
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msg = _('Unable to grow cluster: %s')
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messages.error(request, msg % ex)
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finally:
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cluster_manager.delete(cluster_id)
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return shortcuts.redirect(urls.reverse(
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"horizon:project:database_clusters:index"))
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class ClusterGrowInstancesTable(tables.DataTable):
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id = tables.Column("id", hidden=True)
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name = tables.Column("name", verbose_name=_("Name"))
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flavor = tables.Column("flavor", verbose_name=_("Flavor"))
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flavor_id = tables.Column("flavor_id", hidden=True)
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volume = tables.Column("volume", verbose_name=_("Volume"))
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type = tables.Column("type", verbose_name=_("Instance Type"))
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related_to = tables.Column("related_to", verbose_name=_("Related To"))
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nics = tables.Column("nics", verbose_name=_("Network"))
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class Meta(object):
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name = "cluster_grow_instances_table"
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verbose_name = _("Instances")
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table_actions = (ClusterGrowAddInstance, ClusterGrowRemoveInstance,
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ClusterGrowAction)
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row_actions = (ClusterGrowRemoveInstance,)
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