Subflow validation on edit

[brian-mulier-p]

Feature description

Would be great that subflows are validated (ie checked that they exist) on flow editing just to know there's a typo or something (currently we won't have any feedback except in console when a subflow doesn't exist and we try to expand it)

[anna-geller]

For external contributors: what it means is that trying to Save the following flow should work (because hello_world flow in tutorial namespace exists by default):

id: myflow
namespace: tutorial
tasks:
  - id: hello
    type: io.kestra.plugin.core.flow.Subflow
    namespace: tutorial
    flowId: hello_world

but trying to save this flow should not work as this flowId doesn't exist in the tutorial namespace:

id: myflow
namespace: tutorial
tasks:
  - id: hello
    type: io.kestra.plugin.core.flow.Subflow
    namespace: tutorial
    flowId: non_existing_flow_id

[SyedMDot]

Hi, I want to contribute to this issue. could you please assign this to me? @anna-geller

[Ben8t]

@SyedMDot did you get the chance to move forward on this issue ?

[SyedMDot]

Hi I was working on below issue, and just submitted a video to confirm weather my solution is as expected or not.

I'll start this now.

#3112

[aabhas-sao]

Hi @anna-geller,
is anyone working on this issue. If not I would love to pick this up 🙂

[MilosPaunovic]

Absolutely, go for it @aabhas-sao! 🚀

[aabhas-sao]

Hi @MilosPaunovic,
I have raised one PR, please check it out. If any changes required. If validation is done in right places, or need to add to more places.