# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2013, Big Switch Networks, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
# @author: KC Wang, Big Switch Networks
from django.utils.translation import ugettext_lazy as _
from horizon import exceptions
from horizon import forms
from horizon.utils import validators
from horizon import workflows
from openstack_dashboard import api
port_validator = validators.validate_port_or_colon_separated_port_range
[docs]class AddRuleAction(workflows.Action):
name = forms.CharField(
max_length=80,
label=_("Name"),
required=False)
description = forms.CharField(
max_length=80,
label=_("Description"),
required=False)
protocol = forms.ChoiceField(
label=_("Protocol"),
choices=[('tcp', _('TCP')),
('udp', _('UDP')),
('icmp', _('ICMP')),
('any', _('ANY'))],)
action = forms.ChoiceField(
label=_("Action"),
choices=[('allow', _('ALLOW')),
('deny', _('DENY'))],)
source_ip_address = forms.IPField(
label=_("Source IP Address/Subnet"),
version=forms.IPv4 | forms.IPv6,
required=False, mask=True)
destination_ip_address = forms.IPField(
label=_("Destination IP Address/Subnet"),
version=forms.IPv4 | forms.IPv6,
required=False, mask=True)
source_port = forms.CharField(
max_length=80,
label=_("Source Port/Port Range"),
required=False,
validators=[port_validator])
destination_port = forms.CharField(
max_length=80,
label=_("Destination Port/Port Range"),
required=False,
validators=[port_validator])
shared = forms.BooleanField(
label=_("Shared"), initial=False, required=False)
enabled = forms.BooleanField(
label=_("Enabled"), initial=True, required=False)
def __init__(self, request, *args, **kwargs):
super(AddRuleAction, self).__init__(request, *args, **kwargs)
class Meta:
name = _("AddRule")
permissions = ('openstack.services.network',)
help_text = _("Create a firewall rule.\n\n"
"Protocol and action must be specified. "
"Other fields are optional.")
[docs]class AddRuleStep(workflows.Step):
action_class = AddRuleAction
contributes = ("name", "description", "protocol", "action",
"source_ip_address", "source_port",
"destination_ip_address", "destination_port",
"enabled", "shared")
[docs] def contribute(self, data, context):
context = super(AddRuleStep, self).contribute(data, context)
if data:
if context['protocol'] == 'any':
del context['protocol']
for field in ['source_port',
'destination_port',
'source_ip_address',
'destination_ip_address']:
if not context[field]:
del context[field]
return context
[docs]class AddRule(workflows.Workflow):
slug = "addrule"
name = _("Add Rule")
finalize_button_name = _("Add")
success_message = _('Added Rule "%s".')
failure_message = _('Unable to add Rule "%s".')
success_url = "horizon:project:firewalls:index"
# fwaas is designed to support a wide range of vendor
# firewalls. Considering the multitude of vendor firewall
# features in place today, firewall_rule definition can
# involve more complex configuration over time. Hence,
# a workflow instead of a single form is used for
# firewall_rule add to be ready for future extension.
default_steps = (AddRuleStep,)
[docs] def handle(self, request, context):
try:
api.fwaas.rule_create(request, **context)
return True
except Exception as e:
msg = self.format_status_message(self.failure_message) + str(e)
exceptions.handle(request, msg)
return False
[docs]class SelectRulesAction(workflows.Action):
rule = forms.MultipleChoiceField(
label=_("Rules"),
required=False,
widget=forms.CheckboxSelectMultiple(),
help_text=_("Create a policy with selected rules."))
class Meta:
name = _("Rules")
permissions = ('openstack.services.network',)
help_text = _("Select rules for your policy.")
[docs] def populate_rule_choices(self, request, context):
try:
tenant_id = self.request.user.tenant_id
rules = api.fwaas.rule_list(request, tenant_id=tenant_id)
for r in rules:
r.set_id_as_name_if_empty()
rules = sorted(rules,
key=lambda rule: rule.name)
rule_list = [(rule.id, rule.name) for rule in rules
if not rule.firewall_policy_id]
except Exception as e:
rule_list = []
exceptions.handle(request,
_('Unable to retrieve rules (%(error)s).') % {
'error': str(e)})
return rule_list
[docs]class SelectRulesStep(workflows.Step):
action_class = SelectRulesAction
template_name = "project/firewalls/_update_rules.html"
contributes = ("firewall_rules",)
[docs] def contribute(self, data, context):
if data:
rules = self.workflow.request.POST.getlist("rule")
if rules:
rules = [r for r in rules if r != '']
context['firewall_rules'] = rules
return context
[docs]class AddPolicyAction(workflows.Action):
name = forms.CharField(max_length=80,
label=_("Name"),
required=True)
description = forms.CharField(max_length=80,
label=_("Description"),
required=False)
shared = forms.BooleanField(label=_("Shared"),
initial=False,
required=False)
audited = forms.BooleanField(label=_("Audited"),
initial=False,
required=False)
def __init__(self, request, *args, **kwargs):
super(AddPolicyAction, self).__init__(request, *args, **kwargs)
class Meta:
name = _("AddPolicy")
permissions = ('openstack.services.network',)
help_text = _("Create a firewall policy with an ordered list "
"of firewall rules.\n\n"
"A name must be given. Firewall rules are "
"added in the order placed under the Rules tab.")
[docs]class AddPolicyStep(workflows.Step):
action_class = AddPolicyAction
contributes = ("name", "description", "shared", "audited")
[docs] def contribute(self, data, context):
context = super(AddPolicyStep, self).contribute(data, context)
if data:
return context
[docs]class AddPolicy(workflows.Workflow):
slug = "addpolicy"
name = _("Add Policy")
finalize_button_name = _("Add")
success_message = _('Added Policy "%s".')
failure_message = _('Unable to add Policy "%s".')
success_url = "horizon:project:firewalls:index"
default_steps = (AddPolicyStep, SelectRulesStep)
[docs] def handle(self, request, context):
try:
api.fwaas.policy_create(request, **context)
return True
except Exception as e:
msg = self.format_status_message(self.failure_message) + str(e)
exceptions.handle(request, msg)
return False
[docs]class AddFirewallAction(workflows.Action):
name = forms.CharField(max_length=80,
label=_("Name"),
required=False)
description = forms.CharField(max_length=80,
label=_("Description"),
required=False)
firewall_policy_id = forms.ChoiceField(label=_("Policy"),
required=True)
shared = forms.BooleanField(label=_("Shared"),
initial=False,
required=False)
admin_state_up = forms.BooleanField(label=_("Admin State"),
initial=True,
required=False)
def __init__(self, request, *args, **kwargs):
super(AddFirewallAction, self).__init__(request, *args, **kwargs)
firewall_policy_id_choices = [('', _("Select a Policy"))]
try:
tenant_id = self.request.user.tenant_id
policies = api.fwaas.policy_list(request, tenant_id=tenant_id)
policies = sorted(policies, key=lambda policy: policy.name)
except Exception as e:
exceptions.handle(
request,
_('Unable to retrieve policy list (%(error)s).') % {
'error': str(e)})
policies = []
for p in policies:
p.set_id_as_name_if_empty()
firewall_policy_id_choices.append((p.id, p.name))
self.fields['firewall_policy_id'].choices = firewall_policy_id_choices
# only admin can set 'shared' attribute to True
if not request.user.is_superuser:
self.fields['shared'].widget.attrs['disabled'] = 'disabled'
class Meta:
name = _("AddFirewall")
permissions = ('openstack.services.network',)
help_text = _("Create a firewall based on a policy.\n\n"
"A policy must be selected. "
"Other fields are optional.")
[docs]class AddFirewallStep(workflows.Step):
action_class = AddFirewallAction
contributes = ("name", "firewall_policy_id", "description",
"shared", "admin_state_up")
[docs] def contribute(self, data, context):
context = super(AddFirewallStep, self).contribute(data, context)
return context
[docs]class AddFirewall(workflows.Workflow):
slug = "addfirewall"
name = _("Add Firewall")
finalize_button_name = _("Add")
success_message = _('Added Firewall "%s".')
failure_message = _('Unable to add Firewall "%s".')
success_url = "horizon:project:firewalls:index"
# fwaas is designed to support a wide range of vendor
# firewalls. Considering the multitude of vendor firewall
# features in place today, firewall definition can
# involve more complex configuration over time. Hence,
# a workflow instead of a single form is used for
# firewall_rule add to be ready for future extension.
default_steps = (AddFirewallStep,)
[docs] def handle(self, request, context):
try:
api.fwaas.firewall_create(request, **context)
return True
except Exception as e:
msg = self.format_status_message(self.failure_message) + str(e)
exceptions.handle(request, msg)
return False