woblerr/pgbackrest_exporter v0.15.0 on GitHub

Refactoring to improve performance and code handling #57.
Don't use global stanzas variable #59.
Add parallelization for collecting *_databases metrics #60:
- add --backrest.database-parallel-processes flag - number of parallel processes for collecting information about databases.
Add new *_last_* metrics #61:
- pgbackrest_backup_last_duration_seconds
- pgbackrest_backup_last_size_bytes
- pgbackrest_backup_last_delta_bytes
- pgbackrest_backup_last_repo_size_bytes
- pgbackrest_backup_last_repo_size_map_bytes
- pgbackrest_backup_last_repo_delta_bytes
- pgbackrest_backup_last_repo_delta_map_bytes
- pgbackrest_backup_last_error_status
Update default pgBackRest version to v2.46 #62
Switch to go 1.20 and update versions in CI #63 #64.