317 lines
12 KiB
Python
317 lines
12 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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#
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# @author: KC Wang, Big Switch Networks
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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.utils import fields
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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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port_validator = validators.validate_port_or_colon_separated_port_range
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class AddRuleAction(workflows.Action):
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name = forms.CharField(
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max_length=80,
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label=_("Name"),
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required=False)
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description = forms.CharField(
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max_length=80,
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label=_("Description"),
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required=False)
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protocol = forms.ChoiceField(
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label=_("Protocol"),
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choices=[('tcp', _('TCP')),
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('udp', _('UDP')),
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('icmp', _('ICMP')),
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('any', _('ANY'))],)
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action = forms.ChoiceField(
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label=_("Action"),
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choices=[('allow', _('ALLOW')),
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('deny', _('DENY'))],)
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source_ip_address = fields.IPField(
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label=_("Source IP Address/Subnet"),
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version=fields.IPv4 | fields.IPv6,
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required=False, mask=True)
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destination_ip_address = fields.IPField(
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label=_("Destination IP Address/Subnet"),
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version=fields.IPv4 | fields.IPv6,
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required=False, mask=True)
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source_port = forms.CharField(
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max_length=80,
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label=_("Source Port/Port Range"),
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required=False,
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validators=[port_validator])
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destination_port = forms.CharField(
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max_length=80,
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label=_("Destination Port/Port Range"),
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required=False,
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validators=[port_validator])
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shared = forms.BooleanField(
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label=_("Shared"), initial=False, required=False)
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enabled = forms.BooleanField(
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label=_("Enabled"), initial=True, required=False)
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def __init__(self, request, *args, **kwargs):
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super(AddRuleAction, self).__init__(request, *args, **kwargs)
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class Meta:
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name = _("AddRule")
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permissions = ('openstack.services.network',)
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help_text = _("Create a firewall rule.\n\n"
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"Protocol and action must be specified. "
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"Other fields are optional.")
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class AddRuleStep(workflows.Step):
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action_class = AddRuleAction
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contributes = ("name", "description", "protocol", "action",
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"source_ip_address", "source_port",
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"destination_ip_address", "destination_port",
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"enabled", "shared")
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def contribute(self, data, context):
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context = super(AddRuleStep, self).contribute(data, context)
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if data:
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if context['protocol'] == 'any':
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del context['protocol']
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for field in ['source_port',
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'destination_port',
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'source_ip_address',
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'destination_ip_address']:
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if not context[field]:
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del context[field]
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return context
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class AddRule(workflows.Workflow):
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slug = "addrule"
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name = _("Add Rule")
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finalize_button_name = _("Add")
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success_message = _('Added Rule "%s".')
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failure_message = _('Unable to add Rule "%s".')
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success_url = "horizon:project:firewalls:index"
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# fwaas is designed to support a wide range of vendor
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# firewalls. Considering the multitude of vendor firewall
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# features in place today, firewall_rule definition can
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# involve more complex configuration over time. Hence,
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# a workflow instead of a single form is used for
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# firewall_rule add to be ready for future extension.
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default_steps = (AddRuleStep,)
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def format_status_message(self, message):
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return message % self.context.get('name')
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def handle(self, request, context):
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try:
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api.fwaas.rule_create(request, **context)
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return True
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except Exception as e:
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msg = self.format_status_message(self.failure_message) + str(e)
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exceptions.handle(request, msg)
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return False
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class SelectRulesAction(workflows.Action):
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rule = forms.MultipleChoiceField(
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label=_("Rules"),
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required=False,
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widget=forms.CheckboxSelectMultiple(),
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help_text=_("Create a policy with selected rules."))
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class Meta:
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name = _("Rules")
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permissions = ('openstack.services.network',)
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help_text = _("Select rules for your policy.")
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def populate_rule_choices(self, request, context):
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try:
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tenant_id = self.request.user.tenant_id
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rules = api.fwaas.rule_list(request, tenant_id=tenant_id)
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for r in rules:
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r.set_id_as_name_if_empty()
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rules = sorted(rules,
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key=lambda rule: rule.name)
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rule_list = [(rule.id, rule.name) for rule in rules
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if not rule.firewall_policy_id]
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except Exception as e:
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rule_list = []
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exceptions.handle(request,
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_('Unable to retrieve rules (%(error)s).') % {
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'error': str(e)})
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return rule_list
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class SelectRulesStep(workflows.Step):
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action_class = SelectRulesAction
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template_name = "project/firewalls/_update_rules.html"
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contributes = ("firewall_rules",)
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def contribute(self, data, context):
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if data:
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rules = self.workflow.request.POST.getlist("rule")
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if rules:
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rules = [r for r in rules if r != '']
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context['firewall_rules'] = rules
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return context
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class AddPolicyAction(workflows.Action):
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name = forms.CharField(max_length=80,
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label=_("Name"),
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required=True)
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description = forms.CharField(max_length=80,
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label=_("Description"),
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required=False)
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shared = forms.BooleanField(label=_("Shared"),
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initial=False,
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required=False)
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audited = forms.BooleanField(label=_("Audited"),
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initial=False,
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required=False)
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def __init__(self, request, *args, **kwargs):
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super(AddPolicyAction, self).__init__(request, *args, **kwargs)
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class Meta:
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name = _("AddPolicy")
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permissions = ('openstack.services.network',)
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help_text = _("Create a firewall policy with an ordered list "
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"of firewall rules.\n\n"
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"A name must be given. Firewall rules are "
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"added in the order placed under the Rules tab.")
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class AddPolicyStep(workflows.Step):
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action_class = AddPolicyAction
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contributes = ("name", "description", "shared", "audited")
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def contribute(self, data, context):
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context = super(AddPolicyStep, self).contribute(data, context)
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if data:
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return context
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class AddPolicy(workflows.Workflow):
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slug = "addpolicy"
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name = _("Add Policy")
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finalize_button_name = _("Add")
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success_message = _('Added Policy "%s".')
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failure_message = _('Unable to add Policy "%s".')
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success_url = "horizon:project:firewalls:index"
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default_steps = (AddPolicyStep, SelectRulesStep)
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def format_status_message(self, message):
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return message % self.context.get('name')
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def handle(self, request, context):
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try:
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api.fwaas.policy_create(request, **context)
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return True
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except Exception as e:
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msg = self.format_status_message(self.failure_message) + str(e)
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exceptions.handle(request, msg)
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return False
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class AddFirewallAction(workflows.Action):
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name = forms.CharField(max_length=80,
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label=_("Name"),
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required=False)
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description = forms.CharField(max_length=80,
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label=_("Description"),
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required=False)
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firewall_policy_id = forms.ChoiceField(label=_("Policy"),
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required=True)
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shared = forms.BooleanField(label=_("Shared"),
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initial=False,
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required=False)
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admin_state_up = forms.BooleanField(label=_("Admin State"),
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initial=True,
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required=False)
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def __init__(self, request, *args, **kwargs):
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super(AddFirewallAction, self).__init__(request, *args, **kwargs)
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firewall_policy_id_choices = [('', _("Select a Policy"))]
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try:
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tenant_id = self.request.user.tenant_id
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policies = api.fwaas.policy_list(request, tenant_id=tenant_id)
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policies = sorted(policies, key=lambda policy: policy.name)
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except Exception as e:
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exceptions.handle(
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request,
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_('Unable to retrieve policy list (%(error)s).') % {
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'error': str(e)})
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policies = []
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for p in policies:
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p.set_id_as_name_if_empty()
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firewall_policy_id_choices.append((p.id, p.name))
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self.fields['firewall_policy_id'].choices = firewall_policy_id_choices
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# only admin can set 'shared' attribute to True
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if not request.user.is_superuser:
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self.fields['shared'].widget.attrs['disabled'] = 'disabled'
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class Meta:
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name = _("AddFirewall")
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permissions = ('openstack.services.network',)
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help_text = _("Create a firewall based on a policy.\n\n"
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"A policy must be selected. "
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"Other fields are optional.")
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class AddFirewallStep(workflows.Step):
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action_class = AddFirewallAction
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contributes = ("name", "firewall_policy_id", "description",
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"shared", "admin_state_up")
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def contribute(self, data, context):
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context = super(AddFirewallStep, self).contribute(data, context)
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return context
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class AddFirewall(workflows.Workflow):
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slug = "addfirewall"
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name = _("Add Firewall")
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finalize_button_name = _("Add")
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success_message = _('Added Firewall "%s".')
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failure_message = _('Unable to add Firewall "%s".')
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success_url = "horizon:project:firewalls:index"
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# fwaas is designed to support a wide range of vendor
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# firewalls. Considering the multitude of vendor firewall
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# features in place today, firewall definition can
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# involve more complex configuration over time. Hence,
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# a workflow instead of a single form is used for
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# firewall_rule add to be ready for future extension.
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default_steps = (AddFirewallStep,)
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def format_status_message(self, message):
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return message % self.context.get('name')
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def handle(self, request, context):
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try:
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api.fwaas.firewall_create(request, **context)
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return True
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except Exception as e:
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msg = self.format_status_message(self.failure_message) + str(e)
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exceptions.handle(request, msg)
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return False
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