check_pgbackrest 2.0 has been released

_Mons, Belgium, February 10th, 2021_

`check_pgbackrest` is designed to monitor [pgBackRest](https://pgbackrest.org)
backups from Nagios, relying on the status information given by the
[info](https://pgbackrest.org/command.html#command-info) command.

It allows to monitor the backups retention and the consistency of the archived
WAL segments.

Changes in check_pgbackrest 2.0
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* Only support pgBackRest **2.32** and above in order to only use its internal
commands. This remove Perl dependencies no-longer needed to reach repository
hosts or S3 compatible object stores.
This also brings Azure compatible object stores support.
The `repo-*` arguments have then been deprecated.
* Support non-gz compressed files in the archives check (Magnus Hagander).
* Fix the `ignore-archived-*` features when using pgBackRest internal commands
(Magnus Hagander).
* Improve `ignore-archived-*` features to skip WAL consistency check for backups
involving ignored archives.
* Skip unneeded boundary WAL check on TL switch (reported by sebastienruiz).
* The retention service will now check that at least the backup directory exists,
not only trusting the pgBackRest info command output (suggested by Michael Banck).

Links & Credits
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This is an open project, licensed under the PostgreSQL license.
Any contribution to improve it is welcome.

Links:

* Download: https://github.com/pgstef/check_pgbackrest/releases
* Support: https://github.com/pgstef/check_pgbackrest/issues