0d1e40cc0b
Allow one to create a health monitor object without any association. Add buttons "Add Health Monitor" and "Delete Health Monitor" on pools table page. fixes bug 1158602 Change-Id: I4d9abe378dc1ef2cf410f801ec1f480060de015a
610 lines
23 KiB
Python
610 lines
23 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# 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 fields
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from horizon.utils.validators import validate_port_range
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from horizon import workflows
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from openstack_dashboard import api
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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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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.BooleanField(label=_("Admin State"),
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initial=True, required=False)
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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.quantum.network_list_for_tenant(request, tenant_id)
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except:
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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(('HTTP', 'HTTP'))
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protocol_choices.append(('HTTPS', 'HTTPS'))
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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(('ROUND_ROBIN', 'ROUND_ROBIN'))
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lb_method_choices.append(('LEAST_CONNECTIONS', 'LEAST_CONNECTIONS'))
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lb_method_choices.append(('SOURCE_IP', 'SOURCE_IP'))
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self.fields['lb_method'].choices = lb_method_choices
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class Meta:
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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 tenant.\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",
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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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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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pool = api.lbaas.pool_create(request, **context)
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return True
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except:
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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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floatip_address = forms.ChoiceField(
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label=_("VIP Address from Floating IPs"),
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widget=forms.Select(attrs={'disabled': 'disabled'}),
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required=False)
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other_address = fields.IPField(required=False,
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initial="",
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version=fields.IPv4,
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mask=False)
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protocol_port = forms.IntegerField(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=[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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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(
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label=_("Admin State"), initial=True, required=False)
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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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self.fields['other_address'].label = _("Specify a free IP address"
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" from %s" %
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args[0]['subnet'])
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protocol_choices = [('', _("Select a Protocol"))]
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protocol_choices.append(('HTTP', 'HTTP'))
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protocol_choices.append(('HTTPS', 'HTTPS'))
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self.fields['protocol'].choices = protocol_choices
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session_persistence_choices = [('', _("Set Session Persistence"))]
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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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self.fields[
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'session_persistence'].choices = session_persistence_choices
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floatip_address_choices = [('', _("Currently Not Supported"))]
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self.fields['floatip_address'].choices = floatip_address_choices
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def clean(self):
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cleaned_data = super(AddVipAction, self).clean()
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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:
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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 and description for the VIP. "
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"Specify an IP address and port 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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"Specify the max connections allowed. "
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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", "floatip_address",
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"other_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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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['other_address'] == '':
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context['address'] = context['floatip_address']
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else:
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if not context['floatip_address'] == '':
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self.failure_message = _('Only one address can be specified. '
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'Unable to add VIP "%s".')
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return False
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else:
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context['address'] = context['other_address']
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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:
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context['subnet_id'] = None
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self.failure_message = _('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:
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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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members = forms.MultipleChoiceField(
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label=_("Member(s)"),
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required=True,
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initial=["default"],
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widget=forms.CheckboxSelectMultiple(),
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error_messages={'required':
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_('At least one member must be specified')},
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help_text=_("Select members for this 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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protocol_port = forms.IntegerField(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=[validate_port_range])
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admin_state_up = forms.BooleanField(label=_("Admin State"),
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initial=True, required=False)
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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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pools = api.lbaas.pools_get(request)
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except:
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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:
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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 = _("No servers available. "
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"Click Add to cancel.")
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self.fields['members'].required = False
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self.fields['members'].help_text = _("Select members "
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"for this pool ")
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self.fields['pool_id'].required = False
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self.fields['weight'].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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class Meta:
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name = _("Add New Member")
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permissions = ('openstack.services.network',)
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help_text = _("Add member to 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 for this member "
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"Specify the port number the member(s) "
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"operate on; e.g., 80.")
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class AddMemberStep(workflows.Step):
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action_class = AddMemberAction
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contributes = ("pool_id", "members", "protocol_port", "weight",
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"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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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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for m in context['members']:
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params = {'device_id': m}
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try:
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plist = api.quantum.port_list(request, **params)
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except:
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return False
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if plist:
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context['address'] = plist[0].fixed_ips[0]['ip_address']
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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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except:
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return False
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return True
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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')),
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('https', _('HTTPS'))],
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widget=forms.Select(attrs={
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'class': 'switchable',
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'data-slug': 'type'
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}))
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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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http_method = forms.ChoiceField(
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initial="GET",
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required=False,
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choices=[('GET', _('GET'))],
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label=_("HTTP Method"),
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help_text=_("HTTP method used to check health status of a member"),
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widget=forms.Select(attrs={
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'class': 'switched',
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'data-switch-on': 'type',
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'data-type-http': _('HTTP Method'),
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'data-type-https': _('HTTP Method')
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}))
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url_path = forms.CharField(
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initial="/",
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required=False,
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max_length=80,
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label=_("URL"),
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widget=forms.TextInput(attrs={
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'class': 'switched',
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'data-switch-on': 'type',
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'data-type-http': _('URL'),
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'data-type-https': _('URL')
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}))
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expected_codes = forms.RegexField(
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initial="200",
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required=False,
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max_length=80,
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regex=r'^(\d{3}(\s*,\s*\d{3})*)$|^(\d{3}-\d{3})$',
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label=_("Expected HTTP Status Codes"),
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help_text=_("Expected code may be a single value (e.g. 200), "
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"a list of values (e.g. 200, 202), "
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"or range of values (e.g. 200-204)"),
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widget=forms.TextInput(attrs={
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'class': 'switched',
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'data-switch-on': 'type',
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'data-type-http': _('Expected HTTP Status Codes'),
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'data-type-https': _('Expected HTTP Status Codes')
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}))
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admin_state_up = forms.BooleanField(label=_("Admin State"),
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initial=True, required=False)
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def __init__(self, request, *args, **kwargs):
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super(AddMonitorAction, self).__init__(request, *args, **kwargs)
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def clean(self):
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cleaned_data = super(AddMonitorAction, self).clean()
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type_opt = cleaned_data.get('type')
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if type_opt in ['http', 'https']:
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http_method_opt = cleaned_data.get('http_method')
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url_path = cleaned_data.get('url_path')
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expected_codes = cleaned_data.get('expected_codes')
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if not http_method_opt:
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msg = _('Please choose a HTTP method')
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self._errors['http_method'] = self.error_class([msg])
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if not url_path:
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msg = _('Please specify an URL')
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self._errors['url_path'] = self.error_class([msg])
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if not expected_codes:
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msg = _('Please enter a single value (e.g. 200), '
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'a list of values (e.g. 200, 202), '
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'or range of values (e.g. 200-204)')
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self._errors['expected_codes'] = self.error_class([msg])
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return cleaned_data
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class Meta:
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name = _("Add New Monitor")
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permissions = ('openstack.services.network',)
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help_text = _("Create a monitor template.\n\n"
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"Select type of monitoring. "
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"Specify delay, timeout, and retry limits "
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"required by the monitor. "
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"Specify method, URL path, and expected "
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"HTTP codes upon success.")
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class AddMonitorStep(workflows.Step):
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action_class = AddMonitorAction
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contributes = ("type", "delay", "timeout", "max_retries",
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"http_method", "url_path", "expected_codes",
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"admin_state_up")
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def contribute(self, data, context):
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context = super(AddMonitorStep, self).contribute(data, context)
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if data:
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return context
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class AddMonitor(workflows.Workflow):
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slug = "addmonitor"
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name = _("Add Monitor")
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finalize_button_name = _("Add")
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success_message = _('Added monitor')
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failure_message = _('Unable to add monitor')
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success_url = "horizon:project:loadbalancers:index"
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default_steps = (AddMonitorStep,)
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def handle(self, request, context):
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try:
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context['monitor_id'] = api.lbaas.pool_health_monitor_create(
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request, **context).get('id')
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return True
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except:
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exceptions.handle(request, _("Unable to add monitor."))
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|
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:
|
|
monitors = api.lbaas.pool_health_monitors_get(request)
|
|
for m in monitors:
|
|
if m.id not in context['pool_monitors']:
|
|
monitor_id_choices.append((m.id, m.id))
|
|
except:
|
|
exceptions.handle(request,
|
|
_('Unable to retrieve monitors list.'))
|
|
self.fields['monitor_id'].choices = monitor_id_choices
|
|
|
|
return monitor_id_choices
|
|
|
|
class Meta:
|
|
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 = _("Add Association")
|
|
finalize_button_name = _("Add")
|
|
success_message = _('Added association.')
|
|
failure_message = _('Unable to add association.')
|
|
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:
|
|
exceptions.handle(request, _("Unable to add association."))
|
|
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:
|
|
for m_id in context['pool_monitors']:
|
|
monitor_id_choices.append((m_id, m_id))
|
|
except:
|
|
exceptions.handle(request,
|
|
_('Unable to retrieve monitors list.'))
|
|
self.fields['monitor_id'].choices = monitor_id_choices
|
|
|
|
return monitor_id_choices
|
|
|
|
class Meta:
|
|
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 = _("Delete Association")
|
|
finalize_button_name = _("Delete")
|
|
success_message = _('Deleted association.')
|
|
failure_message = _('Unable to delete association.')
|
|
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:
|
|
exceptions.handle(request, _("Unable to delete association."))
|
|
return False
|