465 lines
19 KiB
Python
465 lines
19 KiB
Python
# 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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import logging
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import uuid
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from django.core.urlresolvers import reverse
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from django.utils.translation import ugettext_lazy as _
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from django.views.decorators.debug import sensitive_variables # noqa
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from horizon import exceptions
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from horizon import forms
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from horizon import messages
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from horizon.utils import memoized
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from openstack_dashboard import api
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from trove_dashboard import api as trove_api
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from trove_dashboard.content.database_clusters \
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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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class LaunchForm(forms.SelfHandlingForm):
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name = forms.CharField(label=_("Cluster Name"),
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max_length=80)
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datastore = forms.ChoiceField(
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label=_("Datastore"),
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help_text=_("Type and version of datastore."),
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widget=forms.Select(attrs={
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'class': 'switchable',
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'data-slug': 'datastore'
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}))
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flavor = forms.ChoiceField(
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label=_("Flavor"),
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help_text=_("Size of instance to launch."),
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required=False,
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widget=forms.Select(attrs={
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'class': 'switched',
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'data-switch-on': 'datastore',
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}))
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vertica_flavor = forms.ChoiceField(
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label=_("Flavor"),
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help_text=_("Size of instance to launch."),
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required=False,
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widget=forms.Select(attrs={
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'class': 'switched',
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'data-switch-on': 'datastore',
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}))
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network = forms.ChoiceField(
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label=_("Network"),
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help_text=_("Network attached to instance."),
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required=False)
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volume = forms.IntegerField(
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label=_("Volume Size"),
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min_value=0,
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initial=1,
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help_text=_("Size of the volume in GB."))
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locality = forms.ChoiceField(
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label=_("Locality"),
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choices=[("", "None"),
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("affinity", "affinity"),
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("anti-affinity", "anti-affinity")],
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required=False,
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help_text=_("Specify whether instances in the cluster will "
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"be created on the same hypervisor (affinity) or on "
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"different hypervisors (anti-affinity)."))
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root_password = forms.CharField(
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label=_("Root Password"),
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required=False,
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help_text=_("Password for root user."),
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widget=forms.PasswordInput(attrs={
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'class': 'switched',
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'data-switch-on': 'datastore',
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}))
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num_instances_vertica = forms.IntegerField(
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label=_("Number of Instances"),
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min_value=3,
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initial=3,
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required=False,
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help_text=_("Number of instances in the cluster. (Read only)"),
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widget=forms.TextInput(attrs={
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'readonly': 'readonly',
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'class': 'switched',
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'data-switch-on': 'datastore',
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}))
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num_shards = forms.IntegerField(
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label=_("Number of Shards"),
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min_value=1,
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initial=1,
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required=False,
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help_text=_("Number of shards. (Read only)"),
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widget=forms.TextInput(attrs={
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'readonly': 'readonly',
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'class': 'switched',
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'data-switch-on': 'datastore',
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}))
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num_instances = forms.IntegerField(
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label=_("Number of Instances"),
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initial=3,
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required=False,
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help_text=_("Number of instances in the cluster."),
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widget=forms.TextInput(attrs={
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'class': 'switched',
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'data-switch-on': 'datastore',
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}))
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# (name of field variable, label)
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default_fields = [
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('flavor', _('Flavor')),
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('num_instances', _('Number of Instances'))
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]
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mongodb_fields = default_fields + [
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('num_shards', _('Number of Shards')),
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]
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vertica_fields = [
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('num_instances_vertica', ('Number of Instances')),
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('vertica_flavor', _('Flavor')),
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('root_password', _('Root Password')),
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]
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def __init__(self, request, *args, **kwargs):
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super(LaunchForm, self).__init__(request, *args, **kwargs)
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self.fields['datastore'].choices = self.populate_datastore_choices(
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request)
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self.populate_flavor_choices(request)
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self.fields['network'].choices = self.populate_network_choices(
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request)
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def clean(self):
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datastore_field_value = self.data.get("datastore", None)
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if datastore_field_value:
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datastore = datastore_field_value.split(',')[0]
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if db_capability.is_vertica_datastore(datastore):
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if not self.data.get("vertica_flavor", None):
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msg = _("The flavor must be specified.")
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self._errors["vertica_flavor"] = self.error_class([msg])
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if not self.data.get("root_password", None):
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msg = _("Password for root user must be specified.")
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self._errors["root_password"] = self.error_class([msg])
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else:
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if not self.data.get("flavor", None):
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msg = _("The flavor must be specified.")
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self._errors["flavor"] = self.error_class([msg])
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if int(self.data.get("num_instances", 0)) < 1:
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msg = _("The number of instances must be greater than 1.")
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self._errors["num_instances"] = self.error_class([msg])
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if db_capability.is_mongodb_datastore(datastore):
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if int(self.data.get("num_shards", 0)) < 1:
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msg = _("The number of shards must be greater than 1.")
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self._errors["num_shards"] = self.error_class([msg])
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if not self.data.get("locality", None):
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self.cleaned_data["locality"] = None
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return self.cleaned_data
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@memoized.memoized_method
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def datastore_flavors(self, request, datastore_name, datastore_version):
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try:
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return trove_api.trove.datastore_flavors(
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request, datastore_name, datastore_version)
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except Exception:
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LOG.exception("Exception while obtaining flavors list")
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self._flavors = []
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redirect = reverse('horizon:project:database_clusters:index')
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exceptions.handle(request,
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_('Unable to obtain flavors.'),
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redirect=redirect)
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def populate_flavor_choices(self, request):
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valid_flavor = []
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for ds in self.datastores(request):
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# TODO(michayu): until capabilities lands
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field_name = 'flavor'
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if db_capability.is_vertica_datastore(ds.name):
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field_name = 'vertica_flavor'
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versions = self.datastore_versions(request, ds.name)
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for version in versions:
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if hasattr(version, 'active') and not version.active:
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continue
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valid_flavor = self.datastore_flavors(request, ds.name,
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versions[0].name)
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if valid_flavor:
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self.fields[field_name].choices = sorted(
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[(f.id, "%s" % f.name) for f in valid_flavor])
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@memoized.memoized_method
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def populate_network_choices(self, request):
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network_list = []
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try:
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if api.base.is_service_enabled(request, 'network'):
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tenant_id = self.request.user.tenant_id
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networks = api.neutron.network_list_for_tenant(request,
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tenant_id)
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network_list = [(network.id, network.name_or_id)
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for network in networks]
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else:
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self.fields['network'].widget = forms.HiddenInput()
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except exceptions.ServiceCatalogException:
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network_list = []
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redirect = reverse('horizon:project:database_clusters:index')
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exceptions.handle(request,
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_('Unable to retrieve networks.'),
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redirect=redirect)
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return network_list
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@memoized.memoized_method
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def datastores(self, request):
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try:
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return trove_api.trove.datastore_list(request)
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except Exception:
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LOG.exception("Exception while obtaining datastores list")
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self._datastores = []
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redirect = reverse('horizon:project:database_clusters:index')
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exceptions.handle(request,
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_('Unable to obtain datastores.'),
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redirect=redirect)
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def filter_cluster_datastores(self, request):
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datastores = []
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for ds in self.datastores(request):
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# TODO(michayu): until capabilities lands
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if db_capability.is_cluster_capable_datastore(ds.name):
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datastores.append(ds)
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return datastores
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@memoized.memoized_method
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def datastore_versions(self, request, datastore):
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try:
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return trove_api.trove.datastore_version_list(request, datastore)
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except Exception:
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LOG.exception("Exception while obtaining datastore version list")
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self._datastore_versions = []
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redirect = reverse('horizon:project:database_clusters:index')
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exceptions.handle(request,
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_('Unable to obtain datastore versions.'),
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redirect=redirect)
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def populate_datastore_choices(self, request):
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choices = ()
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datastores = self.filter_cluster_datastores(request)
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if datastores is not None:
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for ds in datastores:
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versions = self.datastore_versions(request, ds.name)
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if versions:
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# only add to choices if datastore has at least one version
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version_choices = ()
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for v in versions:
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if hasattr(v, 'active') and not v.active:
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continue
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selection_text = ds.name + ' - ' + v.name
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widget_text = ds.name + '-' + v.name
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version_choices = (version_choices +
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((widget_text, selection_text),))
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self._add_attr_to_optional_fields(ds.name,
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widget_text)
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choices = choices + version_choices
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return choices
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def _add_attr_to_optional_fields(self, datastore, selection_text):
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fields = []
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if db_capability.is_mongodb_datastore(datastore):
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fields = self.mongodb_fields
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elif db_capability.is_vertica_datastore(datastore):
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fields = self.vertica_fields
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else:
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fields = self.default_fields
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for field in fields:
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attr_key = 'data-datastore-' + selection_text
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widget = self.fields[field[0]].widget
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if attr_key not in widget.attrs:
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widget.attrs[attr_key] = field[1]
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def _get_locality(self, data):
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locality = None
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if data.get('locality'):
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locality = data['locality']
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return locality
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@sensitive_variables('data')
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def handle(self, request, data):
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try:
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datastore, datastore_version = data['datastore'].split('-', 1)
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final_flavor = data['flavor']
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num_instances = data['num_instances']
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root_password = None
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if db_capability.is_vertica_datastore(datastore):
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final_flavor = data['vertica_flavor']
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root_password = data['root_password']
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num_instances = data['num_instances_vertica']
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LOG.info("Launching cluster with parameters "
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"{name=%s, volume=%s, flavor=%s, "
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"datastore=%s, datastore_version=%s",
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"locality=%s",
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data['name'], data['volume'], final_flavor,
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datastore, datastore_version, self._get_locality(data))
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trove_api.trove.cluster_create(request,
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data['name'],
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data['volume'],
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final_flavor,
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num_instances,
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datastore=datastore,
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datastore_version=datastore_version,
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nics=data['network'],
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root_password=root_password,
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locality=self._get_locality(data))
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messages.success(request,
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_('Launched cluster "%s"') % data['name'])
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return True
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except Exception as e:
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redirect = reverse("horizon:project:database_clusters:index")
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exceptions.handle(request,
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_('Unable to launch cluster. %s') % e.message,
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redirect=redirect)
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class ClusterAddInstanceForm(forms.SelfHandlingForm):
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cluster_id = forms.CharField(
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required=False,
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widget=forms.HiddenInput())
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flavor = forms.ChoiceField(
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label=_("Flavor"),
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help_text=_("Size of image to launch."))
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volume = forms.IntegerField(
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label=_("Volume Size"),
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min_value=0,
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initial=1,
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help_text=_("Size of the volume in GB."))
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name = forms.CharField(
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label=_("Name"),
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required=False,
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help_text=_("Optional name of the instance."))
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type = forms.CharField(
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label=_("Instance Type"),
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required=False,
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help_text=_("Optional datastore specific type of the instance."))
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related_to = forms.CharField(
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label=_("Related To"),
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required=False,
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help_text=_("Optional datastore specific value that defines the "
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"relationship from one instance in the cluster to "
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"another."))
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network = forms.ChoiceField(
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label=_("Network"),
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help_text=_("Network attached to instance."),
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required=False)
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def __init__(self, request, *args, **kwargs):
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super(ClusterAddInstanceForm, self).__init__(request, *args, **kwargs)
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self.fields['cluster_id'].initial = kwargs['initial']['cluster_id']
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self.fields['flavor'].choices = self.populate_flavor_choices(request)
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self.fields['network'].choices = self.populate_network_choices(
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request)
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@memoized.memoized_method
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def flavors(self, request):
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try:
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datastore = None
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datastore_version = None
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datastore_dict = self.initial.get('datastore', None)
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if datastore_dict:
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datastore = datastore_dict.get('type', None)
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datastore_version = datastore_dict.get('version', None)
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return trove_api.trove.datastore_flavors(
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request,
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datastore_name=datastore,
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datastore_version=datastore_version)
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except Exception:
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LOG.exception("Exception while obtaining flavors list")
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self._flavors = []
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redirect = reverse('horizon:project:database_clusters:index')
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exceptions.handle(request,
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_('Unable to obtain flavors.'),
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redirect=redirect)
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def populate_flavor_choices(self, request):
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flavor_list = [(f.id, "%s" % f.name) for f in self.flavors(request)]
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return sorted(flavor_list)
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@memoized.memoized_method
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def populate_network_choices(self, request):
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network_list = []
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try:
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if api.base.is_service_enabled(request, 'network'):
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tenant_id = self.request.user.tenant_id
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networks = api.neutron.network_list_for_tenant(request,
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tenant_id)
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network_list = [(network.id, network.name_or_id)
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for network in networks]
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else:
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self.fields['network'].widget = forms.HiddenInput()
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except exceptions.ServiceCatalogException:
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network_list = []
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redirect = reverse('horizon:project:database_clusters:index')
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exceptions.handle(request,
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_('Unable to retrieve networks.'),
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redirect=redirect)
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return network_list
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def handle(self, request, data):
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try:
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flavor = trove_api.trove.flavor_get(request, data['flavor'])
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manager = cluster_manager.get(data['cluster_id'])
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manager.add_instance(str(uuid.uuid4()),
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data.get('name', None),
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data['flavor'],
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flavor.name,
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data['volume'],
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data.get('type', None),
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data.get('related_to', None),
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data.get('network', None))
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except Exception as e:
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redirect = reverse("horizon:project:database_clusters:index")
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exceptions.handle(request,
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_('Unable to grow cluster. %s') % e.message,
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redirect=redirect)
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return True
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class ResetPasswordForm(forms.SelfHandlingForm):
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cluster_id = forms.CharField(widget=forms.HiddenInput())
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password = forms.CharField(widget=forms.PasswordInput(),
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label=_("New Password"),
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required=True,
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help_text=_("New password for cluster access."))
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@sensitive_variables('data')
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def handle(self, request, data):
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password = data.get("password")
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cluster_id = data.get("cluster_id")
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try:
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trove_api.trove.create_cluster_root(request,
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cluster_id,
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password)
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messages.success(request, _('Root password updated for '
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'cluster "%s"') % cluster_id)
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except Exception as e:
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redirect = reverse("horizon:project:database_clusters:index")
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exceptions.handle(request, _('Unable to reset password. %s') %
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e.message, redirect=redirect)
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return True
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