What determines the charm series?

[Rick Harding]

The series is defined in the metadata.yaml. Charms now support a list of
series and the preference for the charm is determined by the order in the
list.

Before the support for one charm to support multiple series at once, users
had to publish them directly to a specific series which is why you're not
seeing it in the older charms.

You can force a deploy to a series at deploy time. To quote juju deploy
--help

If '--series' is not specified, the charm's default series is used. The
default
series for a charm is the first one specified in the charm metadata. If the
specified series is not supported by the charm, this results in an error,
unless '--force' is used.

If you want to see if the charm will work on the latest series try using
that --force option.

On Tue, Sep 26, 2017 at 10:25 AM Akshat Jiwan Sharma <akshatjiwan at gmail.com>
wrote:

> Hello Everyone,
>
> I was looking at wordpress charm on the juju store and I noticed that the
> recommended version supported Trusty and Precise series. Where as one
> community version supported xenial and trusty series.
>
> I downloaded the recommended  <https://jujucharms.com/wordpress/trusty/5> charm
> package from the store and tried to look at code but I could not see where
> exactly the series definition is set. However in one of the community
> editions <https://jujucharms.com/u/ionutbalutoiu/wordpress/1> the series
> was mentioned in the metadata.yml file.
>
> Is there any way I can use the recommended wordpress charm on my xenial
> machine. Currently when I try to deploy I get the following error:-
>
> "cannot add application "wordpress": cannot deploy to machine 0: series
> does not match"
>
> Thanks,
> Akshat
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