Incorrect validation of ironic l3 settings in multi-rack environment

[Julia Aranovich]

STR on fake environment:
1) create default Neutron-VLAN environment
2) enable Ironic service on Settings tab (Additional Services section)
3) go to Networks tab and create a new node network group
4) change CIDR of baremetal network from the first (default) node network group from 192.168.3.0/24 to 192.169.3.0/24.
There will be a validation error in Neutron L3 section (BAremetal network parameters setting group): Ironic IP range and Ironic gateway are not in the baremetal CIDR
5) Fix the IP range and the gateway to match a new 192.169.3.0/24 CIDR.

Actual result: the validation error still exists, because the IP range and the gateway do not match baremetal network CIDR from the second node network group.

So, the issue is that different CIDRs for baremetal networks can not be saved from UI because of such validation errors in L3 parameters.
It is not clear, how to validate these parameters.

[Julia Aranovich (jkirnosova)]

Andrey, could you please clarify how we should validate baremetal L3 parameters in case of multi-rack environment?

[Andrey Shestakov (ashestakov)]

baremetal network group should be only in default node group.
multi-rack is not supported yet.
Verfication should check Neutron L# network belongs to baremetal cidr in default node group

[Julia Aranovich (jkirnosova)]

Andrey, thank you for the response.
So, will update the ticket https://bugs.launchpad.net/fuel/+bug/1539503 accordingly.
And close this one as it's duplicate.