750 lines
30 KiB
Python
750 lines
30 KiB
Python
# Copyright 2013, Big Switch Networks, 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.utils.translation import ugettext_lazy as _
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from horizon import exceptions
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from horizon import forms
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from horizon.utils import validators
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from horizon import workflows
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from openstack_dashboard import api
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from openstack_dashboard.dashboards.project.loadbalancers import utils
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AVAILABLE_PROTOCOLS = ('HTTP', 'HTTPS', 'TCP')
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AVAILABLE_METHODS = ('ROUND_ROBIN', 'LEAST_CONNECTIONS', 'SOURCE_IP')
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LOG = logging.getLogger(__name__)
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class AddPoolAction(workflows.Action):
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name = forms.CharField(max_length=80, label=_("Name"))
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description = forms.CharField(
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initial="", required=False,
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max_length=80, label=_("Description"))
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# provider is optional because some LBaaS implemetation does
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# not support service-type extension.
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provider = forms.ChoiceField(label=_("Provider"), required=False)
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subnet_id = forms.ChoiceField(label=_("Subnet"))
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protocol = forms.ChoiceField(label=_("Protocol"))
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lb_method = forms.ChoiceField(label=_("Load Balancing Method"))
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admin_state_up = forms.ChoiceField(choices=[(True, _('UP')),
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(False, _('DOWN'))],
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label=_("Admin State"))
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def __init__(self, request, *args, **kwargs):
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super(AddPoolAction, self).__init__(request, *args, **kwargs)
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tenant_id = request.user.tenant_id
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subnet_id_choices = [('', _("Select a Subnet"))]
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try:
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networks = api.neutron.network_list_for_tenant(request, tenant_id)
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except Exception:
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exceptions.handle(request,
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_('Unable to retrieve networks list.'))
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networks = []
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for n in networks:
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for s in n['subnets']:
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subnet_id_choices.append((s.id, s.cidr))
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self.fields['subnet_id'].choices = subnet_id_choices
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protocol_choices = [('', _("Select a Protocol"))]
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[protocol_choices.append((p, p)) for p in AVAILABLE_PROTOCOLS]
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self.fields['protocol'].choices = protocol_choices
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lb_method_choices = [('', _("Select a Method"))]
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[lb_method_choices.append((m, m)) for m in AVAILABLE_METHODS]
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self.fields['lb_method'].choices = lb_method_choices
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# provider choice
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try:
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if api.neutron.is_extension_supported(request, 'service-type'):
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provider_list = api.neutron.provider_list(request)
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providers = [p for p in provider_list
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if p['service_type'] == 'LOADBALANCER']
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else:
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providers = None
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except Exception:
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exceptions.handle(request,
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_('Unable to retrieve providers list.'))
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providers = []
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if providers:
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default_providers = [p for p in providers if p.get('default')]
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if default_providers:
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default_provider = default_providers[0]['name']
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else:
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default_provider = None
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provider_choices = [(p['name'], p['name']) for p in providers
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if p['name'] != default_provider]
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if default_provider:
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provider_choices.insert(
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0, (default_provider,
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_("%s (default)") % default_provider))
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else:
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if providers is None:
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msg = _("Provider for Load Balancer is not supported")
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else:
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msg = _("No provider is available")
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provider_choices = [('', msg)]
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self.fields['provider'].widget.attrs['readonly'] = True
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self.fields['provider'].choices = provider_choices
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class Meta(object):
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name = _("Add New Pool")
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permissions = ('openstack.services.network',)
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help_text = _("Create Pool for current project.\n\n"
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"Assign a name and description for the pool. "
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"Choose one subnet where all members of this "
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"pool must be on. "
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"Select the protocol and load balancing method "
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"for this pool. "
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"Admin State is UP (checked) by default.")
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class AddPoolStep(workflows.Step):
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action_class = AddPoolAction
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contributes = ("name", "description", "subnet_id", "provider",
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"protocol", "lb_method", "admin_state_up")
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def contribute(self, data, context):
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context = super(AddPoolStep, self).contribute(data, context)
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context['admin_state_up'] = (context['admin_state_up'] == 'True')
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if data:
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return context
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class AddPool(workflows.Workflow):
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slug = "addpool"
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name = _("Add Pool")
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finalize_button_name = _("Add")
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success_message = _('Added pool "%s".')
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failure_message = _('Unable to add pool "%s".')
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success_url = "horizon:project:loadbalancers:index"
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default_steps = (AddPoolStep,)
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def format_status_message(self, message):
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name = self.context.get('name')
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return message % name
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def handle(self, request, context):
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try:
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api.lbaas.pool_create(request, **context)
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return True
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except Exception:
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return False
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class AddVipAction(workflows.Action):
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name = forms.CharField(max_length=80, label=_("Name"))
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description = forms.CharField(
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initial="", required=False,
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max_length=80, label=_("Description"))
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subnet_id = forms.ChoiceField(label=_("VIP Subnet"),
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initial="",
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required=False)
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address = forms.IPField(label=_("Specify a free IP address "
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"from the selected subnet"),
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version=forms.IPv4 | forms.IPv6,
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mask=False,
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required=False)
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protocol_port = forms.IntegerField(
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label=_("Protocol Port"), min_value=1,
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help_text=_("Enter an integer value "
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"between 1 and 65535."),
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validators=[validators.validate_port_range])
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protocol = forms.ChoiceField(label=_("Protocol"))
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session_persistence = forms.ChoiceField(
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required=False, initial={}, label=_("Session Persistence"),
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widget=forms.Select(attrs={
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'class': 'switchable',
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'data-slug': 'persistence'
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}))
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cookie_name = forms.CharField(
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initial="", required=False,
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max_length=80, label=_("Cookie Name"),
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help_text=_("Required for APP_COOKIE persistence;"
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" Ignored otherwise."),
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widget=forms.TextInput(attrs={
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'class': 'switched',
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'data-switch-on': 'persistence',
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'data-persistence-app_cookie': 'APP_COOKIE',
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}))
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connection_limit = forms.IntegerField(
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required=False, min_value=-1, label=_("Connection Limit"),
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help_text=_("Maximum number of connections allowed "
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"for the VIP or '-1' if the limit is not set"))
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admin_state_up = forms.ChoiceField(choices=[(True, _('UP')),
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(False, _('DOWN'))],
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label=_("Admin State"))
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def __init__(self, request, *args, **kwargs):
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super(AddVipAction, self).__init__(request, *args, **kwargs)
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tenant_id = request.user.tenant_id
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subnet_id_choices = [('', _("Select a Subnet"))]
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try:
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networks = api.neutron.network_list_for_tenant(request, tenant_id)
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except Exception:
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exceptions.handle(request,
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_('Unable to retrieve networks list.'))
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networks = []
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for n in networks:
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for s in n['subnets']:
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subnet_id_choices.append((s.id, s.cidr))
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self.fields['subnet_id'].choices = subnet_id_choices
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protocol_choices = [('', _("Select a Protocol"))]
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[protocol_choices.append((p, p)) for p in AVAILABLE_PROTOCOLS]
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self.fields['protocol'].choices = protocol_choices
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session_persistence_choices = [('', _("No Session Persistence"))]
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for mode in ('SOURCE_IP', 'HTTP_COOKIE', 'APP_COOKIE'):
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session_persistence_choices.append((mode.lower(), mode))
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self.fields[
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'session_persistence'].choices = session_persistence_choices
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def clean(self):
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cleaned_data = super(AddVipAction, self).clean()
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persistence = cleaned_data.get('session_persistence')
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if persistence:
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cleaned_data['session_persistence'] = persistence.upper()
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if (cleaned_data.get('session_persistence') == 'APP_COOKIE' and
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not cleaned_data.get('cookie_name')):
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msg = _('Cookie name is required for APP_COOKIE persistence.')
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self._errors['cookie_name'] = self.error_class([msg])
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return cleaned_data
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class Meta(object):
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name = _("Specify VIP")
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permissions = ('openstack.services.network',)
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help_text = _("Create a VIP for this pool. "
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"Assign a name, description, IP address, port, "
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"and maximum connections allowed for the VIP. "
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"Choose the protocol and session persistence "
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"method for the VIP. "
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"Admin State is UP (checked) by default.")
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class AddVipStep(workflows.Step):
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action_class = AddVipAction
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depends_on = ("pool_id", "subnet")
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contributes = ("name", "description", "subnet_id",
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"address", "protocol_port", "protocol",
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"session_persistence", "cookie_name",
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"connection_limit", "admin_state_up")
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def contribute(self, data, context):
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context = super(AddVipStep, self).contribute(data, context)
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context['admin_state_up'] = (context['admin_state_up'] == 'True')
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return context
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class AddVip(workflows.Workflow):
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slug = "addvip"
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name = _("Add VIP")
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finalize_button_name = _("Add")
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success_message = _('Added VIP "%s".')
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failure_message = _('Unable to add VIP "%s".')
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success_url = "horizon:project:loadbalancers:index"
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default_steps = (AddVipStep,)
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def format_status_message(self, message):
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name = self.context.get('name')
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return message % name
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def handle(self, request, context):
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if context['subnet_id'] == '':
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try:
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pool = api.lbaas.pool_get(request, context['pool_id'])
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context['subnet_id'] = pool['subnet_id']
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except Exception:
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context['subnet_id'] = None
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self.failure_message = _(
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'Unable to retrieve the specified pool. '
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'Unable to add VIP "%s".')
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return False
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if context['session_persistence']:
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stype = context['session_persistence']
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if stype == 'APP_COOKIE':
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cookie = context['cookie_name']
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context['session_persistence'] = {'type': stype,
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'cookie_name': cookie}
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else:
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context['session_persistence'] = {'type': stype}
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else:
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context['session_persistence'] = {}
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try:
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api.lbaas.vip_create(request, **context)
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return True
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except Exception:
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return False
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class AddMemberAction(workflows.Action):
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pool_id = forms.ChoiceField(label=_("Pool"))
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member_type = forms.ChoiceField(
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label=_("Member Source"),
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choices=[('server_list', _("Select from active instances")),
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('member_address', _("Specify member IP address"))],
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required=False,
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widget=forms.Select(attrs={
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'class': 'switchable',
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'data-slug': 'membertype'
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}))
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members = forms.MultipleChoiceField(
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label=_("Member(s)"),
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required=False,
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initial=["default"],
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widget=forms.SelectMultiple(attrs={
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'class': 'switched',
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'data-switch-on': 'membertype',
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'data-membertype-server_list': _("Member(s)"),
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}),
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help_text=_("Select members for this pool "))
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address = forms.IPField(required=False, label=_("Member address"),
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help_text=_("Specify member IP address"),
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widget=forms.TextInput(attrs={
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'class': 'switched',
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'data-switch-on': 'membertype',
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'data-membertype-member_address':
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_("Member address"),
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}),
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initial="", version=forms.IPv4 | forms.IPv6,
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mask=False)
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weight = forms.IntegerField(
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max_value=256, min_value=1, label=_("Weight"), required=False,
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help_text=_("Relative part of requests this pool member serves "
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"compared to others. \nThe same weight will be applied to "
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"all the selected members and can be modified later. "
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"Weight must be in the range 1 to 256.")
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)
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protocol_port = forms.IntegerField(
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label=_("Protocol Port"), min_value=1,
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help_text=_("Enter an integer value between 1 and 65535. "
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"The same port will be used for all the selected "
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"members and can be modified later."),
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validators=[validators.validate_port_range]
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)
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admin_state_up = forms.ChoiceField(choices=[(True, _('UP')),
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(False, _('DOWN'))],
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label=_("Admin State"))
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def __init__(self, request, *args, **kwargs):
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super(AddMemberAction, self).__init__(request, *args, **kwargs)
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pool_id_choices = [('', _("Select a Pool"))]
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try:
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tenant_id = self.request.user.tenant_id
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pools = api.lbaas.pool_list(request, tenant_id=tenant_id)
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except Exception:
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pools = []
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exceptions.handle(request,
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_('Unable to retrieve pools list.'))
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pools = sorted(pools,
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key=lambda pool: pool.name)
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for p in pools:
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pool_id_choices.append((p.id, p.name))
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self.fields['pool_id'].choices = pool_id_choices
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members_choices = []
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try:
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servers, has_more = api.nova.server_list(request)
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except Exception:
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servers = []
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exceptions.handle(request,
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_('Unable to retrieve instances list.'))
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if len(servers) == 0:
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self.fields['members'].label = _(
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"No servers available. To add a member, you "
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"need at least one running instance.")
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self.fields['pool_id'].required = False
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self.fields['protocol_port'].required = False
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return
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for m in servers:
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members_choices.append((m.id, m.name))
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self.fields['members'].choices = sorted(
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members_choices,
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key=lambda member: member[1])
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def clean(self):
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cleaned_data = super(AddMemberAction, self).clean()
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if (cleaned_data.get('member_type') == 'server_list' and
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not cleaned_data.get('members')):
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msg = _('At least one member must be specified')
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self._errors['members'] = self.error_class([msg])
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elif (cleaned_data.get('member_type') == 'member_address' and
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not cleaned_data.get('address')):
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msg = _('Member IP address must be specified')
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self._errors['address'] = self.error_class([msg])
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return cleaned_data
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class Meta(object):
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name = _("Add New Member")
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permissions = ('openstack.services.network',)
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help_text = _("Add member(s) to the selected pool.\n\n"
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"Choose one or more listed instances to be "
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"added to the pool as member(s). "
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"Assign a numeric weight and port number for the "
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"selected member(s) to operate(s) on; e.g., 80. \n\n"
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"Only one port can be associated with "
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"each instance.")
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class AddMemberStep(workflows.Step):
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action_class = AddMemberAction
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contributes = ("pool_id", "member_type", "members", "address",
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"protocol_port", "weight", "admin_state_up")
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def contribute(self, data, context):
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context = super(AddMemberStep, self).contribute(data, context)
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context['admin_state_up'] = (context['admin_state_up'] == 'True')
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return context
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class AddMember(workflows.Workflow):
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slug = "addmember"
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name = _("Add Member")
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finalize_button_name = _("Add")
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success_message = _('Added member(s).')
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failure_message = _('Unable to add member(s)')
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success_url = "horizon:project:loadbalancers:index"
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default_steps = (AddMemberStep,)
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def handle(self, request, context):
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if context['member_type'] == 'server_list':
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try:
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pool = api.lbaas.pool_get(request, context['pool_id'])
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subnet_id = pool['subnet_id']
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except Exception:
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self.failure_message = _('Unable to retrieve '
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'the specified pool.')
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return False
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for m in context['members']:
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params = {'device_id': m}
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try:
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plist = api.neutron.port_list(request, **params)
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except Exception:
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return False
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# Sort port list for each member. This is needed to avoid
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# attachment of random ports in case of creation of several
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# members attached to several networks.
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plist = sorted(plist, key=lambda port: port.network_id)
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psubnet = [p for p in plist for ips in p.fixed_ips
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if ips['subnet_id'] == subnet_id]
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# If possible, select a port on pool subnet.
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if psubnet:
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selected_port = psubnet[0]
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elif plist:
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selected_port = plist[0]
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else:
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selected_port = None
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if selected_port:
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context['address'] = \
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selected_port.fixed_ips[0]['ip_address']
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try:
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api.lbaas.member_create(request, **context).id
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except Exception as e:
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msg = self.failure_message
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LOG.info('%s: %s' % (msg, e))
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return False
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return True
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else:
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try:
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context['member_id'] = api.lbaas.member_create(
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request, **context).id
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return True
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except Exception as e:
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msg = self.failure_message
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LOG.info('%s: %s' % (msg, e))
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return False
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class AddMonitorAction(workflows.Action):
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type = forms.ChoiceField(
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label=_("Type"),
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choices=[('ping', _('PING')),
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('tcp', _('TCP')),
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('http', _('HTTP')),
|
|
('https', _('HTTPS'))],
|
|
widget=forms.Select(attrs={
|
|
'class': 'switchable',
|
|
'data-slug': 'type'
|
|
}))
|
|
delay = forms.IntegerField(
|
|
min_value=1,
|
|
label=_("Delay"),
|
|
help_text=_("The minimum time in seconds between regular checks "
|
|
"of a member"))
|
|
timeout = forms.IntegerField(
|
|
min_value=1,
|
|
label=_("Timeout"),
|
|
help_text=_("The maximum time in seconds for a monitor to wait "
|
|
"for a reply"))
|
|
max_retries = forms.IntegerField(
|
|
max_value=10, min_value=1,
|
|
label=_("Max Retries (1~10)"),
|
|
help_text=_("Number of permissible failures before changing "
|
|
"the status of member to inactive"))
|
|
http_method = forms.ChoiceField(
|
|
initial="GET",
|
|
required=False,
|
|
choices=[('GET', _('GET'))],
|
|
label=_("HTTP Method"),
|
|
help_text=_("HTTP method used to check health status of a member"),
|
|
widget=forms.Select(attrs={
|
|
'class': 'switched',
|
|
'data-switch-on': 'type',
|
|
'data-type-http': _('HTTP Method'),
|
|
'data-type-https': _('HTTP Method')
|
|
}))
|
|
url_path = forms.CharField(
|
|
initial="/",
|
|
required=False,
|
|
max_length=80,
|
|
label=_("URL"),
|
|
widget=forms.TextInput(attrs={
|
|
'class': 'switched',
|
|
'data-switch-on': 'type',
|
|
'data-type-http': _('URL'),
|
|
'data-type-https': _('URL')
|
|
}))
|
|
expected_codes = forms.RegexField(
|
|
initial="200",
|
|
required=False,
|
|
max_length=80,
|
|
regex=r'^(\d{3}(\s*,\s*\d{3})*)$|^(\d{3}-\d{3})$',
|
|
label=_("Expected HTTP Status Codes"),
|
|
help_text=_("Expected code may be a single value (e.g. 200), "
|
|
"a list of values (e.g. 200, 202), "
|
|
"or range of values (e.g. 200-204)"),
|
|
widget=forms.TextInput(attrs={
|
|
'class': 'switched',
|
|
'data-switch-on': 'type',
|
|
'data-type-http': _('Expected HTTP Status Codes'),
|
|
'data-type-https': _('Expected HTTP Status Codes')
|
|
}))
|
|
admin_state_up = forms.ChoiceField(choices=[(True, _('UP')),
|
|
(False, _('DOWN'))],
|
|
label=_("Admin State"))
|
|
|
|
def __init__(self, request, *args, **kwargs):
|
|
super(AddMonitorAction, self).__init__(request, *args, **kwargs)
|
|
|
|
def clean(self):
|
|
cleaned_data = super(AddMonitorAction, self).clean()
|
|
type_opt = cleaned_data.get('type')
|
|
delay = cleaned_data.get('delay')
|
|
timeout = cleaned_data.get('timeout')
|
|
|
|
if not delay >= timeout:
|
|
msg = _('Delay must be greater than or equal to Timeout')
|
|
self._errors['delay'] = self.error_class([msg])
|
|
|
|
if type_opt in ['http', 'https']:
|
|
http_method_opt = cleaned_data.get('http_method')
|
|
url_path = cleaned_data.get('url_path')
|
|
expected_codes = cleaned_data.get('expected_codes')
|
|
|
|
if not http_method_opt:
|
|
msg = _('Please choose a HTTP method')
|
|
self._errors['http_method'] = self.error_class([msg])
|
|
if not url_path:
|
|
msg = _('Please specify an URL')
|
|
self._errors['url_path'] = self.error_class([msg])
|
|
if not expected_codes:
|
|
msg = _('Please enter a single value (e.g. 200), '
|
|
'a list of values (e.g. 200, 202), '
|
|
'or range of values (e.g. 200-204)')
|
|
self._errors['expected_codes'] = self.error_class([msg])
|
|
return cleaned_data
|
|
|
|
class Meta(object):
|
|
name = _("Add New Monitor")
|
|
permissions = ('openstack.services.network',)
|
|
help_text = _("Create a monitor template.\n\n"
|
|
"Select type of monitoring. "
|
|
"Specify delay, timeout, and retry limits "
|
|
"required by the monitor. "
|
|
"Specify method, URL path, and expected "
|
|
"HTTP codes upon success.")
|
|
|
|
|
|
class AddMonitorStep(workflows.Step):
|
|
action_class = AddMonitorAction
|
|
contributes = ("type", "delay", "timeout", "max_retries",
|
|
"http_method", "url_path", "expected_codes",
|
|
"admin_state_up")
|
|
|
|
def contribute(self, data, context):
|
|
context = super(AddMonitorStep, self).contribute(data, context)
|
|
context['admin_state_up'] = (context['admin_state_up'] == 'True')
|
|
if data:
|
|
return context
|
|
|
|
|
|
class AddMonitor(workflows.Workflow):
|
|
slug = "addmonitor"
|
|
name = _("Add Monitor")
|
|
finalize_button_name = _("Add")
|
|
success_message = _('Added monitor')
|
|
failure_message = _('Unable to add monitor')
|
|
success_url = "horizon:project:loadbalancers:index"
|
|
default_steps = (AddMonitorStep,)
|
|
|
|
def handle(self, request, context):
|
|
try:
|
|
context['monitor_id'] = api.lbaas.pool_health_monitor_create(
|
|
request, **context).get('id')
|
|
return True
|
|
except Exception:
|
|
exceptions.handle(request, _("Unable to add monitor."))
|
|
return False
|
|
|
|
|
|
class AddPMAssociationAction(workflows.Action):
|
|
monitor_id = forms.ChoiceField(label=_("Monitor"))
|
|
|
|
def __init__(self, request, *args, **kwargs):
|
|
super(AddPMAssociationAction, self).__init__(request, *args, **kwargs)
|
|
|
|
def populate_monitor_id_choices(self, request, context):
|
|
self.fields['monitor_id'].label = _("Select a monitor template "
|
|
"for %s") % context['pool_name']
|
|
|
|
monitor_id_choices = [('', _("Select a Monitor"))]
|
|
try:
|
|
tenant_id = self.request.user.tenant_id
|
|
monitors = api.lbaas.pool_health_monitor_list(request,
|
|
tenant_id=tenant_id)
|
|
pool_monitors_ids = [pm.id for pm in context['pool_monitors']]
|
|
for m in monitors:
|
|
if m.id not in pool_monitors_ids:
|
|
display_name = utils.get_monitor_display_name(m)
|
|
monitor_id_choices.append((m.id, display_name))
|
|
except Exception:
|
|
exceptions.handle(request,
|
|
_('Unable to retrieve monitors list.'))
|
|
self.fields['monitor_id'].choices = monitor_id_choices
|
|
|
|
return monitor_id_choices
|
|
|
|
class Meta(object):
|
|
name = _("Association Details")
|
|
permissions = ('openstack.services.network',)
|
|
help_text = _("Associate a health monitor with target pool.")
|
|
|
|
|
|
class AddPMAssociationStep(workflows.Step):
|
|
action_class = AddPMAssociationAction
|
|
depends_on = ("pool_id", "pool_name", "pool_monitors")
|
|
contributes = ("monitor_id",)
|
|
|
|
def contribute(self, data, context):
|
|
context = super(AddPMAssociationStep, self).contribute(data, context)
|
|
if data:
|
|
return context
|
|
|
|
|
|
class AddPMAssociation(workflows.Workflow):
|
|
slug = "addassociation"
|
|
name = _("Associate Monitor")
|
|
finalize_button_name = _("Associate")
|
|
success_message = _('Associated monitor.')
|
|
failure_message = _('Unable to associate monitor.')
|
|
success_url = "horizon:project:loadbalancers:index"
|
|
default_steps = (AddPMAssociationStep,)
|
|
|
|
def handle(self, request, context):
|
|
try:
|
|
context['monitor_id'] = api.lbaas.pool_monitor_association_create(
|
|
request, **context)
|
|
return True
|
|
except Exception:
|
|
exceptions.handle(request, _("Unable to associate monitor."))
|
|
return False
|
|
|
|
|
|
class DeletePMAssociationAction(workflows.Action):
|
|
monitor_id = forms.ChoiceField(label=_("Monitor"))
|
|
|
|
def __init__(self, request, *args, **kwargs):
|
|
super(DeletePMAssociationAction, self).__init__(
|
|
request, *args, **kwargs)
|
|
|
|
def populate_monitor_id_choices(self, request, context):
|
|
self.fields['monitor_id'].label = (_("Select a health monitor of %s") %
|
|
context['pool_name'])
|
|
|
|
monitor_id_choices = [('', _("Select a Monitor"))]
|
|
try:
|
|
monitors = api.lbaas.pool_health_monitor_list(request)
|
|
pool_monitors_ids = [pm.id for pm in context['pool_monitors']]
|
|
for m in monitors:
|
|
if m.id in pool_monitors_ids:
|
|
display_name = utils.get_monitor_display_name(m)
|
|
monitor_id_choices.append((m.id, display_name))
|
|
except Exception:
|
|
exceptions.handle(request,
|
|
_('Unable to retrieve monitors list.'))
|
|
self.fields['monitor_id'].choices = monitor_id_choices
|
|
|
|
return monitor_id_choices
|
|
|
|
class Meta(object):
|
|
name = _("Association Details")
|
|
permissions = ('openstack.services.network',)
|
|
help_text = _("Disassociate a health monitor from target pool. ")
|
|
|
|
|
|
class DeletePMAssociationStep(workflows.Step):
|
|
action_class = DeletePMAssociationAction
|
|
depends_on = ("pool_id", "pool_name", "pool_monitors")
|
|
contributes = ("monitor_id",)
|
|
|
|
def contribute(self, data, context):
|
|
context = super(DeletePMAssociationStep, self).contribute(
|
|
data, context)
|
|
if data:
|
|
return context
|
|
|
|
|
|
class DeletePMAssociation(workflows.Workflow):
|
|
slug = "deleteassociation"
|
|
name = _("Disassociate Monitor")
|
|
finalize_button_name = _("Disassociate")
|
|
success_message = _('Disassociated monitor.')
|
|
failure_message = _('Unable to disassociate monitor.')
|
|
success_url = "horizon:project:loadbalancers:index"
|
|
default_steps = (DeletePMAssociationStep,)
|
|
|
|
def handle(self, request, context):
|
|
try:
|
|
context['monitor_id'] = api.lbaas.pool_monitor_association_delete(
|
|
request, **context)
|
|
return True
|
|
except Exception:
|
|
exceptions.handle(request, _("Unable to disassociate monitor."))
|
|
return False
|