What happens when a `flow` `foo` is running and a new deploy

Question

What happens when a `flow` `foo` is running and a new deployment is created that changes the flow code that `foo` was executing QUESTION 1 Would `foo` continue to execute and ignore the new deployment Also what happens if `foo` intends to trigger a `sub flow` `bar` but a new deployment is created that changes the flow code that `bar` would execute So the timeline is a `flow` `foo` is triggered b `sub flow` `bar` is updated sub flow id changes from `123` to `456` c `foo` gets to the point in execution where `bar` is called QUESTION 2 Would `foo` trigger the newly updated `bar` code `456` Or would `foo` ignore the change to `sub flow` `bar` and trigger `123` as `foo` was triggered before `bar` was updated

Nate · Answer

Question 1 Yes prefect pulls your flow code at the beginning of the flow run and would not stop to pull updated flow code during the flow run foo would not begin executing if it did not already have access to bar s source code Question 2 foo would trigger whichever version of bar it had when the flow code was pulled originally

Nate · Answer

however if `bar` was a standalone deployment and `foo` was creating flow runs of `bar` via the client or the new utility available in 2 5 and `bar` happened to be updated during a run of `foo` then `foo` would call the newest `bar` i e `foo` would always call the newest `bar` via the client

Sean Turner · Answer

Ah thank you for clarifying `bar` would be a stand alone deployment probably because we want it to be running a different `infra block` on EKS so that the docker image is different