This is by design as nova does not provide a way of updating a flavor, only deleting and creating them (http://developer.openstack.org/api-ref- compute-v2.1.html#os-flavors-v2.1)
Horizon allows to "update" a flavor by deleting the old one and creating a new one with the updated parameters, so the ID will always change on updating a flavor because its nore really updating it. ** Changed in: horizon Status: New => Invalid -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to OpenStack Dashboard (Horizon). https://bugs.launchpad.net/bugs/1575022 Title: Editing a flavor changes its ID Status in OpenStack Dashboard (Horizon): Invalid Bug description: After finishing editing of a a flavor in Mitaka Horizon, it's always changeing the flavor ID. To manage notifications about this bug go to: https://bugs.launchpad.net/horizon/+bug/1575022/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : yahoo-eng-team@lists.launchpad.net Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp