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feat: initial L3 understack plugin setup #532

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Dec 4, 2024
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2 changes: 1 addition & 1 deletion components/neutron/aio-values.yaml
Original file line number Diff line number Diff line change
Expand Up @@ -52,7 +52,7 @@ conf:
type_drivers: "vlan,local,understack_vxlan"
neutron:
DEFAULT:
service_plugins: "router,segments,port_forwarding"
service_plugins: "l3_understack,segments,port_forwarding"
# we don't want HA L3 routers. It's a Python value so we need to quote it in YAML.
l3_ha: "False"
# we aren't using availability zones so having calls attempt to add things to
Expand Down
91 changes: 91 additions & 0 deletions python/neutron-understack/neutron_understack/l3_service_plugin.py
Original file line number Diff line number Diff line change
@@ -0,0 +1,91 @@
import logging
from pprint import pprint

from neutron.services.l3_router.l3_router_plugin import L3RouterPlugin
from neutron_lib.context import Context

LOG = logging.getLogger(__name__)


def print_context_and_pre_commit_data(
method: str, context: Context, data: list
) -> None:
context_for_print = context.to_dict()
context_for_print.pop("auth_token")
LOG.info("%s pre-commit method called with context:", method)
pprint(context_for_print)
pprint("PRE_COMMIT DATA:")
pprint(data)


def print_post_commit_data(method: str, data: dict) -> None:
LOG.info("%s post-commit method returned data:", method)
pprint("POST_COMMIT DATA:")
pprint(data)


class UnderStackL3ServicePlugin(L3RouterPlugin):
def __init__(self):
"""Understack L3 plugin.

L3 plugin to deal with Understack infrastructure.
"""
super().__init__()

def get_plugin_type(self):
return "L3_ROUTER_NAT"

def get_plugin_description(self):
return "Understack L3 Service Plugin"

def create_router(self, context, router):
method = "create_router"
print_context_and_pre_commit_data(method, context, [router])
router_dict = super().create_router(context, router)
print_post_commit_data(method, router_dict)
return router_dict

def update_router(self, context, id, router):
method = "update_router"
print_context_and_pre_commit_data(method, context, [router, id])
router_dict = super().update_router(context, id, router)
print_post_commit_data(method, router_dict)
return router_dict

def delete_router(self, context, id):
print_context_and_pre_commit_data("delete_router", context, [id])
return super().delete_router(context, id)

def add_router_interface(self, context, router_id, interface_info=None):
method = "add_router_interface"
print_context_and_pre_commit_data(method, context, [router_id, interface_info])
return_data = super().add_router_interface(context, router_id, interface_info)
print_post_commit_data(method, return_data)
return return_data

def remove_router_interface(self, context, router_id, interface_info):
method = "remove_router_interface"
print_context_and_pre_commit_data(method, context, [router_id, interface_info])
return_data = super().remove_router_interface(
context, router_id, interface_info
)
print_post_commit_data(method, return_data)
return return_data

def create_floatingip(self, context, floatingip):
method = "create_floatingip"
print_context_and_pre_commit_data(method, context, [floatingip])
floatingip_dict = super().create_floatingip(context, floatingip)
print_post_commit_data(method, floatingip_dict)
return floatingip_dict

def update_floatingip(self, context, id, floatingip):
method = "update_floatingip"
print_context_and_pre_commit_data(method, context, [id, floatingip])
floatingip_dict = super().update_floatingip(context, id, floatingip)
print_post_commit_data(method, floatingip_dict)
return floatingip_dict

def delete_floatingip(self, context, id):
print_context_and_pre_commit_data("delete_floatingip", context, [id])
return super().delete_floatingip(context, id)
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