260 lines
11 KiB
Python
260 lines
11 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2013, Mirantis 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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#
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# @author: Tatiana Mazur
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import logging
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from django.core.urlresolvers import reverse # noqa
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from django.utils.translation import ugettext_lazy as _ # 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 openstack_dashboard import api
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LOG = logging.getLogger(__name__)
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class UpdatePool(forms.SelfHandlingForm):
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name = forms.CharField(max_length=80, label=_("Name"))
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pool_id = forms.CharField(label=_("ID"),
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widget=forms.TextInput(
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attrs={'readonly': 'readonly'}))
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description = forms.CharField(required=False,
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max_length=80, label=_("Description"))
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lb_method = forms.ChoiceField(label=_("Load Balancing Method"))
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admin_state_up = forms.BooleanField(label=_("Admin State"), required=False)
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failure_url = 'horizon:project:loadbalancers:index'
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def __init__(self, request, *args, **kwargs):
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super(UpdatePool, self).__init__(request, *args, **kwargs)
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lb_method_choices = [('ROUND_ROBIN', 'ROUND_ROBIN'),
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('LEAST_CONNECTIONS', 'LEAST_CONNECTIONS'),
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('SOURCE_IP', 'SOURCE_IP')]
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self.fields['lb_method'].choices = lb_method_choices
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def handle(self, request, context):
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try:
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data = {'pool': {'name': context['name'],
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'description': context['description'],
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'lb_method': context['lb_method'],
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'admin_state_up': context['admin_state_up'],
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}}
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pool = api.lbaas.pool_update(request, context['pool_id'], **data)
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msg = _('Pool %s was successfully updated.') % context['name']
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LOG.debug(msg)
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messages.success(request, msg)
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return pool
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except Exception:
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msg = _('Failed to update pool %s') % context['name']
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LOG.info(msg)
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redirect = reverse(self.failure_url)
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exceptions.handle(request, msg, redirect=redirect)
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class UpdateVip(forms.SelfHandlingForm):
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name = forms.CharField(max_length=80, label=_("Name"))
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vip_id = forms.CharField(label=_("ID"),
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widget=forms.TextInput(
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attrs={'readonly': 'readonly'}))
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description = forms.CharField(required=False,
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max_length=80, label=_("Description"))
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pool_id = forms.ChoiceField(label=_("Pool"))
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session_persistence = forms.ChoiceField(
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required=False, initial={}, label=_("Session Persistence"))
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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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connection_limit = forms.IntegerField(
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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.BooleanField(label=_("Admin State"), required=False)
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failure_url = 'horizon:project:loadbalancers:index'
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def __init__(self, request, *args, **kwargs):
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super(UpdateVip, self).__init__(request, *args, **kwargs)
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pool_id_choices = []
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try:
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tenant_id = 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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if (p.vip_id is None) or (p.id == kwargs['initial']['pool_id']):
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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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session_persistence_choices = []
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for mode in ('SOURCE_IP', 'HTTP_COOKIE', 'APP_COOKIE'):
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session_persistence_choices.append((mode, mode))
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session_persistence_choices.append(('', _('No session persistence')))
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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(UpdateVip, self).clean()
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persistence = cleaned_data.get('session_persistence')
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if (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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def handle(self, request, context):
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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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data = {'vip': {'name': context['name'],
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'description': context['description'],
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'pool_id': context['pool_id'],
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'session_persistence':
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context['session_persistence'],
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'connection_limit': context['connection_limit'],
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'admin_state_up': context['admin_state_up'],
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}}
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vip = api.lbaas.vip_update(request, context['vip_id'], **data)
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msg = _('VIP %s was successfully updated.') % context['name']
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LOG.debug(msg)
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messages.success(request, msg)
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return vip
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except Exception:
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msg = _('Failed to update VIP %s') % context['name']
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LOG.info(msg)
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redirect = reverse(self.failure_url)
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exceptions.handle(request, msg, redirect=redirect)
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class UpdateMember(forms.SelfHandlingForm):
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member_id = forms.CharField(label=_("ID"),
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widget=forms.TextInput(
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attrs={'readonly': 'readonly'}))
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pool_id = forms.ChoiceField(label=_("Pool"))
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weight = forms.IntegerField(max_value=256, min_value=0, label=_("Weight"),
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help_text=_("Relative part of requests this "
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"pool member serves compared to others"))
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admin_state_up = forms.BooleanField(label=_("Admin State"), required=False)
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failure_url = 'horizon:project:loadbalancers:index'
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def __init__(self, request, *args, **kwargs):
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super(UpdateMember, self).__init__(request, *args, **kwargs)
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pool_id_choices = []
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try:
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tenant_id = 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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def handle(self, request, context):
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try:
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data = {'member': {'pool_id': context['pool_id'],
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'weight': context['weight'],
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'admin_state_up': context['admin_state_up']}}
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member = api.lbaas.member_update(request,
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context['member_id'], **data)
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msg = _('Member %s was successfully updated.')\
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% context['member_id']
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LOG.debug(msg)
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messages.success(request, msg)
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return member
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except Exception:
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msg = _('Failed to update member %s') % context['member_id']
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LOG.info(msg)
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redirect = reverse(self.failure_url)
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exceptions.handle(request, msg, redirect=redirect)
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class UpdateMonitor(forms.SelfHandlingForm):
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monitor_id = forms.CharField(label=_("ID"),
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widget=forms.TextInput(
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attrs={'readonly': 'readonly'}))
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delay = forms.IntegerField(
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min_value=1,
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label=_("Delay"),
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help_text=_("The minimum time in seconds between regular checks "
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"of a member"))
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timeout = forms.IntegerField(
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min_value=1,
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label=_("Timeout"),
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help_text=_("The maximum time in seconds for a monitor to wait "
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"for a reply"))
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max_retries = forms.IntegerField(
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max_value=10, min_value=1,
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label=_("Max Retries (1~10)"),
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help_text=_("Number of permissible failures before changing "
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"the status of member to inactive"))
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admin_state_up = forms.BooleanField(label=_("Admin State"), required=False)
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failure_url = 'horizon:project:loadbalancers:index'
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def __init__(self, request, *args, **kwargs):
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super(UpdateMonitor, self).__init__(request, *args, **kwargs)
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def handle(self, request, context):
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try:
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data = {'health_monitor': {
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'delay': context['delay'],
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'timeout': context['timeout'],
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'max_retries': context['max_retries'],
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'admin_state_up': context['admin_state_up']}}
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monitor = api.lbaas.pool_health_monitor_update(request,
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context['monitor_id'], **data)
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msg = _('Health monitor %s was successfully updated.')\
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% context['monitor_id']
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LOG.debug(msg)
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messages.success(request, msg)
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return monitor
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except Exception:
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msg = _('Failed to update health monitor %s')\
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% context['monitor_id']
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LOG.info(msg)
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redirect = reverse(self.failure_url)
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exceptions.handle(request, msg, redirect=redirect)
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