can't run `rose suite-run` for a suite name that already exists in ~/cylc-run at 7.8.0

[Jonny Williams]

hey there

i am getting this error at version 7.8.0 when i try and run `rose suite-run` for a suite which has been run before.

[FAIL] cylc register u-be817 /home/williamsjh/cylc-run/u-be817 # return-code=1, stderr=

[FAIL] ERROR: the name 'u-be817' already points to ...

[FAIL] Use --redirect to re-use an existing name and run directory.

is this a feature of the new version?

thanks!

jonny

[Bruno P. Kinoshita]

Hi Jonny,

Yes, in 7.8.0 these issues from the changelog refer to this new behaviour.

https://github.com/cylc/cylc/pull/2759 (--redirect added)

https://github.com/cylc/cylc/pull/2816

I used to have a suite called "test" re-use that name. Now, as my environment is for development, most of the times I just wipe my cylc-run directory before working on something new, or use the --redirect option if appropriate. I believe you will probably want to use the redirect option.

Cheers

Bruno

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[Jonny Williams]

Thanks Bruno!

If I’m right then the redirect option is a flag to cylc register? How is this used within rose suite-run?  This is how we launch our suites. Thanks!

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[Matt Shin]

This is fixed by https://github.com/cylc/cylc/pull/2906 for cylc-7.8.1.

[Jonny Williams]

ok cool, thanks matt

[Hilary Oliver]

Hi Jonny,

The "--redirect" option allows you to re-use an already-registered suite name (and therefore an existing suite run directory) for another suite. That's no longer allowed by default because it can be dangerous - the new suite would overwrite important files in the run directory, which is not good if you accidentally re-used the old name.

Unfortunately this is somewhat broken at cylc-7.8.0 when suites are launched with "rose suite-run".

By experiment the problem occurs if you "rose suite-run" (but not restart) an existing pre-7.8.0 suite using cylc-7.8.0; OR if you "rose suite-run" a suite with no existing run directory from scratch.

Matt has just note that cylc-7.8.1 fixes the problem, but until that's installed locally, the workaround is to remove the symlink ~/cylc-run/<SUITE>/.service/source before doing "rose suite-run" (this should only need to be done once).

Hilary

 

[Jonny Williams]

thanks a lot hilary for the comprehensive info! that's great. not a problem for now at all.

cheers

j

[Hilary Oliver]

Hi Jonny,

Note we now have cylc-7.8.1 and rose-2019.01.0 installed as well.

Hilary

[Jonny Williams]

ok yep awesome, all working perfectly now! ☺

thanks a lot

jonny