Deploying charm using unsupported series does not error

[Tyler Treat]

I was attempting to deploy mysql (https://jujucharms.com/mysql/) but after running the deploy, the status remained on "waiting for machine." The machine message says: "no matching agent binaries available."

https://paste.ubuntu.com/p/rpzVRzgrwF/

It appears this is because the mysql charm uses an unsupported series (Zesty). It would be great if juju could notice if a charm is asking for an unsupported series and refuse to deploy or fall back to a different series which is supported.

[Tyler Treat (tylertreat)]

I think I've filed this with the wrong project. Where would be a more appropriate place to file this?

[George Kraft (cynerva)]

Probably https://github.com/juju-solutions/charm-mysql/issues

One of the issues looks related: https://github.com/juju-solutions/charm-mysql/issues/33

[Cory Johns (johnsca)]

Actually, while I agree that the mysql charm should be updated to correct the series, I think this issue as written would be better placed on the Juju project, as it would involve the Juju CLI or agent handling the request better.

[Cory Johns (johnsca)]

TBH, I'm not sure how much better Juju could handle it, though, since it won't know until the point it queries simplestreams what series are supported. Maybe the client or controller could do a preliminary query to be able to fail fast.

[Richard Harding (rharding)]

We're working to define the full UX around unsupported series with the charmstore API teams as well as Juju. We agree that Juju should ERROR on deploy, however it should also allow you to override with the existing `deploy --force` command in cases of testing upgrade paths and such.

There's a mix of updated needed to handle this in the local charm case, charmstore case, and cases where the charm lists series and while the preferred series might be unsupported (as is the case with mysql) there are other valid series to select from.

[Richard Harding (rharding)]

This has been updated in 2.6 and now provides better error messaging and hints for using outdated series. Marking this as fix-released.

[Anastasia (anastasia-macmood)]

2.6.7 release never went out. This fix was instead released in 2.6.8 - re-targeting this report.