** Changed in: neutron
Status: Opinion => In Progress
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https://bugs.launchpad.net/bugs/1536176
Title:
network owner cannot get subnet, cannot delete net
Status in neutron:
In Progress
Bug description:
steps:
1, demo tenant create a network net1
2, demo tenant create a subnet sn1 in net1
3, admin create a subnet sn2 in net1
4, demo tenant run "neutron subnet-list"
expected: command output should contains sn1 and sn2
observed: only sn1 can be seen.
in policy.json
[1] "create_subnet": "rule:admin_or_network_owner",
[2] "get_subnet": "rule:admin_or_owner or rule:shared",
from [1], since only admin and network owner can create subnet on tenant
network, it should make sense to allow network owner to get all subnets on
her/his network.
with rbac, after demo tenant add rbac access_as_shared rule for alt_demo
tenant.
alt_demo tenant run "subnet-list" can get sn1 and sn2.
That's very interesting, rbac allowed tenant can get all subnets, but not
network owner.
# updated @ 2016.01.23
per demo tenant cannot get subnets not owned by it on its network. So when it
tries to delete its network, will fail and unfortunately no error/exception
will raise, for neutron-server will enter a while-True loop!!!
Check
https://github.com/openstack/neutron/blob/master/neutron/plugins/ml2/plugin.py#L918-L920
.
What we can do for this situation? Maybe return an exception for cannot get a
subnet that not owner by current tenant to delete. Oops, that's odd and hard to
understand. Since we have following rules in policy.json:
"delete_subnet": "rule:admin_or_network_owner",
"delete_network": "rule:admin_or_owner",
How can people understand they have policy to allow them but with disallowed
exception?
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