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Manage PostgreSQL database backups using pg_probackup tool


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Version information

  • 1.3.1 (latest)
  • 1.3.0
  • 1.2.0
  • 1.1.0
  • 1.0.0
  • 0.5.0
  • 0.4.1
  • 0.4.0
  • 0.3.1
  • 0.3.0
  • 0.2.2
  • 0.2.1
  • 0.1.0
released Apr 4th 2024
This version is compatible with:
  • Puppet Enterprise 2023.7.x, 2023.6.x, 2023.5.x, 2023.4.x, 2023.3.x, 2023.2.x, 2023.1.x, 2023.0.x, 2021.7.x, 2021.6.x, 2021.5.x, 2021.4.x, 2021.3.x, 2021.2.x, 2021.1.x, 2021.0.x, 2019.8.x, 2019.7.x, 2019.5.x, 2019.4.x, 2019.3.x, 2019.2.x, 2019.1.x, 2019.0.x, 2018.1.x, 2017.3.x, 2017.2.x, 2016.4.x
  • Puppet >= 4.10.0 < 9.0.0
  • , , , , ,

Start using this module

  • r10k or Code Manager
  • Bolt
  • Manual installation
  • Direct download

Add this module to your Puppetfile:

mod 'deric-pgprobackup', '1.3.1'
Learn more about managing modules with a Puppetfile

Add this module to your Bolt project:

bolt module add deric-pgprobackup
Learn more about using this module with an existing project

Manually install this module globally with Puppet module tool:

puppet module install deric-pgprobackup --version 1.3.1

Direct download is not typically how you would use a Puppet module to manage your infrastructure, but you may want to download the module in order to inspect the code.



deric/pgprobackup — version 1.3.1 Apr 4th 2024


Forge Static & Spec Tests

Automates PostgreSQL backups using pgprobackup.


Module allows configuration of a PostgreSQL instance (role for backup, SSH keys, hba rules) and a (remote) backup catalog (user account, backup directory, host keys, SSH keys).


What pgprobackup affects

Module touches many resources, including PostgreSQL configuration that might require server restart (e.g. when archive_mode is modified). Make sure to understand the implications before using it. Each feature could be turned off in case you're using some other mechanism.

  • database configuration
  • database roles
  • pgprobackup::manage_pgpass role password (default: true)
  • pgprobackup::manage_host_keys SSH host keys (default: true)
  • pgprobackup::manage_ssh_keys SSH authorized keys (public SSH keys)
  • pgprobackup::manage_cron CRON jobs (default: true)
  • user accounts
  • pgprobackup catalog

Setup Requirements

  • Puppet >= 5
  • PostgreSQL instance >= 9.5
  • puppetlabs/postgresql is expected to manage the PostgreSQL instance


Backup server(s) (where backup data will be stored) requires packages for all different PostgreSQL version that are running the same host_group, e.g. pg_probackup-11, pg_probackup-12.

include pgprobackup::catalog

each backup server should define:

pgprobackup::catalog::host_group: common
# pg_probackup has dedicated binaries for each major PostgreSQL versions
  - '13'
  - '14'

NOTE: Package version catalog and instance needs to be exactly the same! (e.g. 2.3.3-1.6a736c2db6402d77).

pgprobackup::package_ensure allows pinpointing to a specific version:

pgprobackup::package_ensure: "2.4.2-1.8db55b42aeece064.%{facts.os.distro.codename}"

All Puppet variables are documented in


DB server:

include pgprobackup::instance

Configure pgprobackup to run full backup every Sunday (via CRON job):

pgprobackup::manage_cron: true
      hour: 3
      minute: 15
      weekday: [0] # same as `7` or `Sunday`

Incremental (DELTA) backups every day except Sunday:

      weekday: 0
      weekday: [1-6]

Incremental (DELTA) backups every day except Friday, full backup on Friday:

      weekday: 5
      weekday: [0-4,6]

Target backup catalog servers (one database instance can be backed to multiple locations - first catalog is has host_group configured as common the other off-site):

      weekday: 0
      weekday: [1-6]
  # run full backup to `off-site` location on first of each month
      hour: 5
      monthday: 1
      retention_redundancy: 2
      retention_window: 7
      delete_expired: true
      merge_expired: true
      threads: 3

There are many shared parameters between instance and catalog. Such parameters are defined in pgprobackup:: namespace, such as pgprobackup::package_name (base package name to be installed on both instance and catalog).

  • retention_window Defines the earliest point in time for which pg_probackup can complete the recovery.
  • retention_redundancy The number of full backup copies to keep in the backup catalog.
  • delete_expired Delete expired backups when retention_redundancy or retention_window is set.
  • merge_expired Merge expired backups when retention_redundancy or retention_window is set.

Instance parameters

  • threads Number of parallel threads
  • temp_slot Whether to use temporary replication slot, which should guarantee that WAL won't be removed from primary server. In case of backup failure the slot will be removed (default false).
  • slot Specifies the replication slot for WAL streaming. Can't be used together with archive_wal=true.
  • validate Validate backup consistency after backup completition (default: true).
  • compress_algorithm Currently supported algorithms zlib or pglz (default: 'none')
  • compress_level 0-9 (defalt: 1)
  • archive_timeout Timeout in seconds for copying all remaining WAL files (default 300).


Parameters can be specified on instance level:

pgprobackup::instance::log_dir: /var/log/pg_probackup
pgprobackup::instance::log_level_file: info

or for specific backup:

      log_level_file: verbose
  • log_dir - by default stored to backup dir/log
  • log_file - custom filename
  • redirect_console redirect stdout & stderr to file (default: false)
  • log_console - custom filename for console log (requires redirect_console: true)
  • log_level_file - allowed values off, error, warning, info, log, verbose
  • log_level_console - allowed values off, error, warning, info, log, verbose
  • log_rotation_size - rotate logfile if its size exceeds this value; 0 disables; (default: 0) available units: 'kB', 'MB', 'GB', 'TB' (default: kB)
  • log_rotation_age - rotate logfile if its size exceeds this value; 0 disables; (default: 0) available units: 'ms', 's', 'min', 'h', 'd' (default: min)


Error message on catalog server:

Could not find resource 'Package[pg-probackup-11]' in parameter 'require'

means, that the server requires packages for all different Postgresql versions that are being backed up.

  - '11'
  - '12'