501 lines
19 KiB
Python
501 lines
19 KiB
Python
# 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.
|
|
|
|
import logging
|
|
import re
|
|
|
|
from django.utils.translation import ugettext as _
|
|
|
|
from horizon import exceptions
|
|
from horizon import forms
|
|
from horizon.utils import fields
|
|
from horizon import workflows
|
|
|
|
from openstack_dashboard import api
|
|
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
class AddPoolAction(workflows.Action):
|
|
name = forms.CharField(max_length=80, label=_("Name"))
|
|
description = forms.CharField(
|
|
initial="", required=False,
|
|
max_length=80, label=_("Description"))
|
|
subnet_id = forms.ChoiceField(label=_("Subnet"))
|
|
protocol = forms.ChoiceField(label=_("Protocol"))
|
|
lb_method = forms.ChoiceField(label=_("Load Balancing Method"))
|
|
admin_state_up = forms.BooleanField(label=_("Admin State"),
|
|
initial=True, required=False)
|
|
|
|
def __init__(self, request, *args, **kwargs):
|
|
super(AddPoolAction, self).__init__(request, *args, **kwargs)
|
|
|
|
tenant_id = request.user.tenant_id
|
|
|
|
subnet_id_choices = [('', _("Select a Subnet"))]
|
|
try:
|
|
networks = api.quantum.network_list_for_tenant(request, tenant_id)
|
|
except:
|
|
exceptions.handle(request,
|
|
_('Unable to retrieve networks list.'))
|
|
networks = []
|
|
for n in networks:
|
|
for s in n['subnets']:
|
|
subnet_id_choices.append((s.id, s.cidr))
|
|
self.fields['subnet_id'].choices = subnet_id_choices
|
|
|
|
protocol_choices = [('', _("Select a Protocol"))]
|
|
protocol_choices.append(('HTTP', 'HTTP'))
|
|
protocol_choices.append(('HTTPS', 'HTTPS'))
|
|
self.fields['protocol'].choices = protocol_choices
|
|
|
|
lb_method_choices = [('', _("Select a Method"))]
|
|
lb_method_choices.append(('ROUND_ROBIN', 'ROUND_ROBIN'))
|
|
lb_method_choices.append(('LEAST_CONNECTIONS', 'LEAST_CONNECTIONS'))
|
|
lb_method_choices.append(('SOURCE_IP', 'SOURCE_IP'))
|
|
self.fields['lb_method'].choices = lb_method_choices
|
|
|
|
class Meta:
|
|
name = _("PoolDetails")
|
|
permissions = ('openstack.services.network',)
|
|
help_text = _("Create Pool for current tenant.\n\n"
|
|
"Assign a name and description for the pool. "
|
|
"Choose one subnet where all members of this "
|
|
"pool must be on. "
|
|
"Select the protocol and load balancing method "
|
|
"for this pool. "
|
|
"Admin State is UP (checked) by defaul.t")
|
|
|
|
|
|
class AddPoolStep(workflows.Step):
|
|
action_class = AddPoolAction
|
|
contributes = ("name", "description", "subnet_id",
|
|
"protocol", "lb_method", "admin_state_up")
|
|
|
|
def contribute(self, data, context):
|
|
context = super(AddPoolStep, self).contribute(data, context)
|
|
if data:
|
|
return context
|
|
|
|
|
|
class AddPool(workflows.Workflow):
|
|
slug = "addpool"
|
|
name = _("Add Pool")
|
|
finalize_button_name = _("Add")
|
|
success_message = _('Added Pool "%s".')
|
|
failure_message = _('Unable to add Pool "%s".')
|
|
success_url = "horizon:project:loadbalancers:index"
|
|
default_steps = (AddPoolStep,)
|
|
|
|
def format_status_message(self, message):
|
|
name = self.context.get('name')
|
|
return message % name
|
|
|
|
def handle(self, request, context):
|
|
try:
|
|
pool = api.lbaas.pool_create(request, **context)
|
|
return True
|
|
except:
|
|
msg = self.format_status_message(self.failure_message)
|
|
exceptions.handle(request, msg)
|
|
return False
|
|
|
|
|
|
class AddVipAction(workflows.Action):
|
|
name = forms.CharField(max_length=80, label=_("Name"))
|
|
description = forms.CharField(
|
|
initial="", required=False,
|
|
max_length=80, label=_("Description"))
|
|
floatip_address = forms.ChoiceField(
|
|
label=_("Vip Address from Floating IPs"),
|
|
widget=forms.Select(attrs={'disabled': 'disabled'}),
|
|
required=False)
|
|
other_address = fields.IPField(required=False,
|
|
initial="",
|
|
version=fields.IPv4,
|
|
mask=False)
|
|
protocol_port = forms.CharField(max_length=80, label=_("Protocol Port"))
|
|
protocol = forms.ChoiceField(label=_("Protocol"))
|
|
session_persistence = forms.ChoiceField(
|
|
required=False, initial={}, label=_("Session Persistence"))
|
|
cookie_name = forms.CharField(
|
|
initial="", required=False,
|
|
max_length=80, label=_("Cookie Name"),
|
|
help_text=_("Required for APP_COOKIE persistence;"
|
|
" Ignored otherwise."))
|
|
connection_limit = forms.CharField(
|
|
max_length=80, label=_("Connection Limit"))
|
|
admin_state_up = forms.BooleanField(
|
|
label=_("Admin State"), initial=True, required=False)
|
|
|
|
def __init__(self, request, *args, **kwargs):
|
|
super(AddVipAction, self).__init__(request, *args, **kwargs)
|
|
|
|
self.fields['other_address'].label = _("Specify a free IP address"
|
|
" from %s" %
|
|
args[0]['subnet'])
|
|
|
|
protocol_choices = [('', _("Select a Protocol"))]
|
|
protocol_choices.append(('HTTP', 'HTTP'))
|
|
protocol_choices.append(('HTTPS', 'HTTPS'))
|
|
self.fields['protocol'].choices = protocol_choices
|
|
|
|
session_persistence_choices = [('', _("Set Session Persistence"))]
|
|
for mode in ('SOURCE_IP', 'HTTP_COOKIE', 'APP_COOKIE'):
|
|
session_persistence_choices.append((mode, mode))
|
|
self.fields[
|
|
'session_persistence'].choices = session_persistence_choices
|
|
|
|
floatip_address_choices = [('', _("Currently Not Supported"))]
|
|
self.fields['floatip_address'].choices = floatip_address_choices
|
|
|
|
class Meta:
|
|
name = _("AddVip")
|
|
permissions = ('openstack.services.network',)
|
|
help_text = _("Create a vip (virtual IP) for this pool. "
|
|
"Assign a name and description for the vip. "
|
|
"Specify an IP address and port for the vip. "
|
|
"Choose the protocol and session persistence "
|
|
"method for the vip."
|
|
"Specify the max connections allowed. "
|
|
"Admin State is UP (checked) by default.")
|
|
|
|
|
|
class AddVipStep(workflows.Step):
|
|
action_class = AddVipAction
|
|
depends_on = ("pool_id", "subnet")
|
|
contributes = ("name", "description", "floatip_address",
|
|
"other_address", "protocol_port", "protocol",
|
|
"session_persistence", "cookie_name",
|
|
"connection_limit", "admin_state_up")
|
|
|
|
def contribute(self, data, context):
|
|
context = super(AddVipStep, self).contribute(data, context)
|
|
return context
|
|
|
|
|
|
class AddVip(workflows.Workflow):
|
|
slug = "addvip"
|
|
name = _("Add Vip")
|
|
finalize_button_name = _("Add")
|
|
success_message = _('Added Vip "%s".')
|
|
failure_message = _('Unable to add Vip "%s".')
|
|
success_url = "horizon:project:loadbalancers:index"
|
|
default_steps = (AddVipStep,)
|
|
|
|
def format_status_message(self, message):
|
|
name = self.context.get('name')
|
|
return message % name
|
|
|
|
def handle(self, request, context):
|
|
if context['other_address'] == '':
|
|
context['address'] = context['floatip_address']
|
|
else:
|
|
if not context['floatip_address'] == '':
|
|
self.failure_message = _('Only one address can be specified.'
|
|
'Unable to add Vip %s.')
|
|
return False
|
|
else:
|
|
context['address'] = context['other_address']
|
|
try:
|
|
pool = api.lbaas.pool_get(request, context['pool_id'])
|
|
context['subnet_id'] = pool['subnet_id']
|
|
except:
|
|
context['subnet_id'] = None
|
|
exceptions.handle(request,
|
|
_('Unable to retrieve pool.'))
|
|
return False
|
|
|
|
if context['session_persistence']:
|
|
stype = context['session_persistence']
|
|
if stype == 'APP_COOKIE':
|
|
if context['cookie_name'] == "":
|
|
self.failure_message = _('Cookie name must be specified '
|
|
'with APP_COOKIE persistence.')
|
|
return False
|
|
else:
|
|
cookie = context['cookie_name']
|
|
context['session_persistence'] = {'type': stype,
|
|
'cookie_name': cookie}
|
|
else:
|
|
context['session_persistence'] = {'type': stype}
|
|
else:
|
|
context['session_persistence'] = {}
|
|
|
|
try:
|
|
api.lbaas.vip_create(request, **context)
|
|
return True
|
|
except:
|
|
msg = self.format_status_message(self.failure_message)
|
|
exceptions.handle(request, msg)
|
|
return False
|
|
|
|
|
|
class AddMemberAction(workflows.Action):
|
|
pool_id = forms.ChoiceField(label=_("Pool"))
|
|
members = forms.MultipleChoiceField(
|
|
label=_("Member(s)"),
|
|
required=True,
|
|
initial=["default"],
|
|
widget=forms.CheckboxSelectMultiple(),
|
|
help_text=_("Select members for this pool "))
|
|
weight = forms.CharField(max_length=80, label=_("Weight"))
|
|
protocol_port = forms.CharField(max_length=80, label=_("Protocol Port"))
|
|
admin_state_up = forms.BooleanField(label=_("Admin State"),
|
|
initial=True, required=False)
|
|
|
|
def __init__(self, request, *args, **kwargs):
|
|
super(AddMemberAction, self).__init__(request, *args, **kwargs)
|
|
|
|
pool_id_choices = [('', _("Select a Pool"))]
|
|
try:
|
|
pools = api.lbaas.pools_get(request)
|
|
except:
|
|
pools = []
|
|
exceptions.handle(request,
|
|
_('Unable to retrieve pools list.'))
|
|
pools = sorted(pools,
|
|
key=lambda pool: pool.name)
|
|
for p in pools:
|
|
pool_id_choices.append((p.id, p.name))
|
|
self.fields['pool_id'].choices = pool_id_choices
|
|
|
|
members_choices = []
|
|
try:
|
|
servers = api.nova.server_list(request)
|
|
except:
|
|
servers = []
|
|
exceptions.handle(request,
|
|
_('Unable to retrieve instances list.'))
|
|
|
|
if len(servers) == 0:
|
|
self.fields['members'].label = _("No servers available. "
|
|
"Click Add to cancel.")
|
|
self.fields['members'].required = False
|
|
self.fields['members'].help_text = _("Select members "
|
|
"for this pool ")
|
|
self.fields['pool_id'].required = False
|
|
self.fields['weight'].required = False
|
|
self.fields['protocol_port'].required = False
|
|
return
|
|
|
|
for m in servers:
|
|
members_choices.append((m.id, m.name))
|
|
self.fields['members'].choices = sorted(
|
|
members_choices,
|
|
key=lambda member: member[1])
|
|
|
|
class Meta:
|
|
name = _("MemberDetails")
|
|
permissions = ('openstack.services.network',)
|
|
help_text = _("Add member to selected pool.\n\n"
|
|
"Choose one or more listed instances to be "
|
|
"added to the pool as member(s). "
|
|
"Assign a numeric weight for this member "
|
|
"Specify the port number the member(s) "
|
|
"operate on; e.g., 80.")
|
|
|
|
|
|
class AddMemberStep(workflows.Step):
|
|
action_class = AddMemberAction
|
|
contributes = ("pool_id", "members", "protocol_port", "weight",
|
|
"admin_state_up")
|
|
|
|
def contribute(self, data, context):
|
|
context = super(AddMemberStep, self).contribute(data, context)
|
|
return context
|
|
|
|
|
|
class AddMember(workflows.Workflow):
|
|
slug = "addmember"
|
|
name = _("Add Member")
|
|
finalize_button_name = _("Add")
|
|
success_message = _('Added Member "%s".')
|
|
failure_message = _('Unable to add Member %s.')
|
|
success_url = "horizon:project:loadbalancers:index"
|
|
default_steps = (AddMemberStep,)
|
|
|
|
def handle(self, request, context):
|
|
if context['members'] == []:
|
|
self.failure_message = _('No instances available.%s')
|
|
context['member_id'] = ''
|
|
return False
|
|
|
|
for m in context['members']:
|
|
params = {'device_id': m}
|
|
try:
|
|
plist = api.quantum.port_list(request, **params)
|
|
except:
|
|
plist = []
|
|
exceptions.handle(request,
|
|
_('Unable to retrieve ports list.'))
|
|
return False
|
|
if plist:
|
|
context['address'] = plist[0].fixed_ips[0]['ip_address']
|
|
try:
|
|
context['member_id'] = api.lbaas.member_create(
|
|
request, **context).id
|
|
except:
|
|
exceptions.handle(request, _("Unable to add member."))
|
|
return False
|
|
return True
|
|
|
|
|
|
class AddMonitorAction(workflows.Action):
|
|
pool_id = forms.ChoiceField(label=_("Pool"))
|
|
type = forms.ChoiceField(
|
|
label=_("Type"),
|
|
choices=[('ping', _('PING')),
|
|
('tcp', _('TCP')),
|
|
('http', _('HTTP')),
|
|
('https', _('HTTPS'))],
|
|
widget=forms.Select(attrs={
|
|
'class': 'switchable',
|
|
'data-slug': 'type'
|
|
}))
|
|
delay = forms.CharField(
|
|
max_length=80,
|
|
label=_("Delay"),
|
|
help_text=_("The minimum time in seconds between regular checks "
|
|
"of a member"))
|
|
timeout = forms.CharField(
|
|
max_length=80,
|
|
label=_("Timeout"),
|
|
help_text=_("The maximum time in seconds for a monitor to wait "
|
|
"for a reply"))
|
|
max_retries = forms.CharField(
|
|
max_length=80,
|
|
label=_("Max Retries (1~10)"),
|
|
help_text=_("Number of permissible failures before changing "
|
|
"the status of member to inactive"))
|
|
http_method = forms.ChoiceField(
|
|
initial="GET",
|
|
required=False,
|
|
choices=[('GET', _('GET'))],
|
|
label=_("HTTP Method"),
|
|
help_text=_("HTTP method used to check health status of a member"),
|
|
widget=forms.Select(attrs={
|
|
'class': 'switched',
|
|
'data-switch-on': 'type',
|
|
'data-type-http': _('HTTP Method'),
|
|
'data-type-https': _('HTTP Method')
|
|
}))
|
|
url_path = forms.CharField(
|
|
initial="/",
|
|
required=False,
|
|
max_length=80,
|
|
label=_("URL"),
|
|
widget=forms.TextInput(attrs={
|
|
'class': 'switched',
|
|
'data-switch-on': 'type',
|
|
'data-type-http': _('URL'),
|
|
'data-type-https': _('URL')
|
|
}))
|
|
expected_codes = forms.RegexField(
|
|
initial="200",
|
|
required=False,
|
|
max_length=80,
|
|
regex=r'^(\d{3}(\s*,\s*\d{3})*)$|^(\d{3}-\d{3})$',
|
|
label=_("Expected HTTP Status Codes"),
|
|
help_text=_("Expected code may be a single value (e.g. 200), "
|
|
"a list of values (e.g. 200, 202), "
|
|
"or range of values (e.g. 200-204)"),
|
|
widget=forms.TextInput(attrs={
|
|
'class': 'switched',
|
|
'data-switch-on': 'type',
|
|
'data-type-http': _('Expected HTTP Status Codes'),
|
|
'data-type-https': _('Expected HTTP Status Codes')
|
|
}))
|
|
admin_state_up = forms.BooleanField(label=_("Admin State"),
|
|
initial=True, required=False)
|
|
|
|
def __init__(self, request, *args, **kwargs):
|
|
super(AddMonitorAction, self).__init__(request, *args, **kwargs)
|
|
|
|
pool_id_choices = [('', _("Select a Pool"))]
|
|
try:
|
|
pools = api.lbaas.pools_get(request)
|
|
for p in pools:
|
|
pool_id_choices.append((p.id, p.name))
|
|
except:
|
|
exceptions.handle(request,
|
|
_('Unable to retrieve pools list.'))
|
|
self.fields['pool_id'].choices = pool_id_choices
|
|
|
|
def clean(self):
|
|
cleaned_data = super(AddMonitorAction, self).clean()
|
|
type_opt = cleaned_data.get('type')
|
|
|
|
if type_opt in ['http', 'https']:
|
|
http_method_opt = cleaned_data.get('http_method')
|
|
url_path = cleaned_data.get('url_path')
|
|
expected_codes = cleaned_data.get('expected_codes')
|
|
|
|
if not http_method_opt:
|
|
msg = _('Please choose a HTTP method')
|
|
self._errors['http_method'] = self.error_class([msg])
|
|
if not url_path:
|
|
msg = _('Please specify an URL')
|
|
self._errors['url_path'] = self.error_class([msg])
|
|
if not expected_codes:
|
|
msg = _('Please enter a single value (e.g. 200), '
|
|
'a list of values (e.g. 200, 202), '
|
|
'or range of values (e.g. 200-204)')
|
|
self._errors['expected_codes'] = self.error_class([msg])
|
|
return cleaned_data
|
|
|
|
class Meta:
|
|
name = _("MonitorDetails")
|
|
permissions = ('openstack.services.network',)
|
|
help_text = _("Create a monitor for a pool.\n\n"
|
|
"Select target pool and type of monitoring. "
|
|
"Specify delay, timeout, and retry limits "
|
|
"required by the monitor. "
|
|
"Specify method, URL path, and expected "
|
|
"HTTP codes upon success.")
|
|
|
|
|
|
class AddMonitorStep(workflows.Step):
|
|
action_class = AddMonitorAction
|
|
contributes = ("pool_id", "type", "delay", "timeout", "max_retries",
|
|
"http_method", "url_path", "expected_codes",
|
|
"admin_state_up")
|
|
|
|
def contribute(self, data, context):
|
|
context = super(AddMonitorStep, self).contribute(data, context)
|
|
if data:
|
|
return context
|
|
|
|
|
|
class AddMonitor(workflows.Workflow):
|
|
slug = "addmonitor"
|
|
name = _("Add Monitor")
|
|
finalize_button_name = _("Add")
|
|
success_message = _('Added Monitor "%s".')
|
|
failure_message = _('Unable to add Monitor "%s".')
|
|
success_url = "horizon:project:loadbalancers:index"
|
|
default_steps = (AddMonitorStep,)
|
|
|
|
def handle(self, request, context):
|
|
try:
|
|
context['monitor_id'] = api.lbaas.pool_health_monitor_create(
|
|
request, **context).get('id')
|
|
return True
|
|
except:
|
|
exceptions.handle(request, _("Unable to add monitor."))
|
|
return False
|