[Platform]Availibility zones change depending on region selection order during Universe creation

[adil246]

Description
Az's disappear from the list when a new region is added. This issue appears for the on-prem config provider. If the order is changed when adding regions(for example East first and then Central), the AZ's populate the way they should. Depending on the order you enter the regions, the availability zone list/behavior changes.

To Reproduce

1. Create Universe using an on-prem config provider.
2. Add the first Region with Nodes 3 and RF 3.
3. Then add the second Region and you will notice one of the AZ's disappear.
4. When you click Add Zone, the missing zone appears back.

Reference ticket
1081

[adil246]

cc @skahler-yuga Let me know if anything else has to be added.

[streddy-yb]

hi @mjoshi0923 - please check if this issue reproduces for other providers as well (AWS, GCP, etc).

[mjoshi0923]

Sure

…

On Mon, 19 Apr, 2021, 7:55 pm streddy-yb, ***@***.***> wrote: hi @mjoshi0923 <https://github.com/mjoshi0923> - please check if this issue reproduces for other providers as well (AWS, GCP, etc). — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub <#8003 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/ASVVB6WCZ27GEJ7XTK2LNQTTJQ4PNANCNFSM42Z6S2VQ> .

[mjoshi0923]

@adil246 Do we have this issue? This was resolved long back, it's duplicate issue I guess.

[adil246]

@mjoshi0923 Yes, I do not see the issue now in 2.6.3 and AZ’s placement info is not switching to other zones when additional regions are added. I tested with a couple of regions adding them consecutively in google cloud and placement info stayed the same. I could go back and select Az’s based on preference after adding all regions. This can be closed. Thanks for the follow-up.

Final Placement info: Cloud=gcp Region=us-central1 : (AZ=us-central1-f, count=1, replication factor=1)Region=us-west1 : (AZ=us-west1-c, count=1, replication factor=1)Region=us-east1 : (AZ=us-east1-d, count=1, replication factor=1).
2022-02-15 15:06:44.643 [info] PlacementInfoUtil.java:1092 [application-akka.actor.default-dispatcher-81] Az placement map {b22ad78a-4c65-4c52-b43b-62db1fedd4f9=1, b09ed13a-4076-4faa-b0ce-682855aaaab0=1, 56bb5b1e-41ca-4c89-a08a-8446888d66cc=1}
2022-02-15 15:06:44.643 [info] PlacementInfoUtil.java:1124 [application-akka.actor.default-dispatcher-81] Az Map {b22ad78a-4c65-4c52-b43b-62db1fedd4f9=1, b09ed13a-4076-4faa-b0ce-682855aaaab0=1, 56bb5b1e-41ca-4c89-a08a-8446888d66cc=1}