yahoo-eng-team team mailing list archive

[Jimin Shin <2107316@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

This RFE is related to the bug [1].

Now the response of network-ip-availabilites api contains:
(1) total_ips
(2) used_ips

(1) total_ips
- subnet cidr, when there are no allocation pools in the network
- the sum of ips in each allocation pool, when there are allocation pools in the network

(2) used_ips
- the number of used ips in the network (does not consider allocation pools)

We cannot know how many available ips are in the allocation pools from the response.
There are use cases that we need to know the number of available ips in the allocation pools, such as check ip availability before create a vm in the network.

Therefore, I suggest add more information to the response, so the response would have four information:
(1) the total number of IP addresses of a subnet
(2) the total number of IP addresses in allocation pools
(3) the number of used IP addresses of a subnet (<- it is same as the response of the current "used_ips" IIUC)
(4) the number of used IP addresses from allocation pools

>From comment #19 in [1], it appears this has already been discussed in
drivers meeting.

[1] https://bugs.launchpad.net/neutron/+bug/1843211

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2107316

Title:
  [RFE] Add more information to network-ip-availabilites response

Status in neutron:
  New

Bug description:
  This RFE is related to the bug [1].

  Now the response of network-ip-availabilites api contains:
  (1) total_ips
  (2) used_ips

  (1) total_ips
  - subnet cidr, when there are no allocation pools in the network
  - the sum of ips in each allocation pool, when there are allocation pools in the network

  (2) used_ips
  - the number of used ips in the network (does not consider allocation pools)

  We cannot know how many available ips are in the allocation pools from the response.
  There are use cases that we need to know the number of available ips in the allocation pools, such as check ip availability before create a vm in the network.

  Therefore, I suggest add more information to the response, so the response would have four information:
  (1) the total number of IP addresses of a subnet
  (2) the total number of IP addresses in allocation pools
  (3) the number of used IP addresses of a subnet (<- it is same as the response of the current "used_ips" IIUC)
  (4) the number of used IP addresses from allocation pools

  From comment #19 in [1], it appears this has already been discussed in
  drivers meeting.

  [1] https://bugs.launchpad.net/neutron/+bug/1843211

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