[ClusterLabs] Is there a python package for pacemaker ?

[Klaus Wenninger]

On Wed, Feb 2, 2022 at 7:06 PM Ken Gaillot <kgaillot at redhat.com> wrote:

> On Wed, 2022-02-02 at 18:46 +0100, Lentes, Bernd wrote:
> > Hi,
> >
> > i need to write some scripts for our cluster. Until now i wrote bash
> > scripts.
> > But i like to learn python. Is there a package for pacemaker ?
> > What i found is: https://pypi.org/project/pacemaker/ and i'm not sure
> > what that is.
> >
> > Thanks.
> >
> > Bernd
>
> Not currently (that's an unrelated project I wasn't aware of). It is a
> goal to make one, but time hasn't been available.
>
> We're taking a big step towards it by creating a high-level C API for
> Pacemaker that's essentially equivalent to how the command-line tools
> work. It will be much easier to wrap this API in Python. There are
> already high-level API equivalents of crmadmin and crm_simulate, and
> the crm_mon equivalent is expected in the next release.
>
> In the meantime, the easiest approach is probably just to use the
> subprocess module to execute the Pacemaker command-line tools to do
> what you want.
>
You might as well use pcs, crmsh or cts as a source of
inspiration as they are all 3 written in python.
AFAIK none of those offers a (stable) python API (yet) though.

Klaus

> --
> Ken Gaillot <kgaillot at redhat.com>
>
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