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pgprobackup

Manage PostgreSQL database backups using pg_probackup tool
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Version information

  • 2.0.2 (latest)
  • 2.0.1
  • 2.0.0
  • 1.3.1
  • 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 Jun 21st 2024
This version is compatible with:
  • Puppet Enterprise 2023.8.x, 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', '2.0.2'
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 2.0.2

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.

Download

Documentation

deric/pgprobackup — version 2.0.2 Jun 21st 2024

puppet-pgprobackup

Puppet Forge Static & Spec Tests

Automates PostgreSQL backups using pgprobackup.

Description

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).

Setup

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

Usage

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
pgprobackup::catalog::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 REFERENCE.md.

Instance

DB server:

include pgprobackup::instance

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

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

Incremental (DELTA) backups every day except Sunday:

pgprobackup::instance::backups:
  common:
    FULL:
      weekday: 0
    DELTA:
      weekday: [1-6]

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

pgprobackup::instance::backups:
  common:
    FULL:
      weekday: 5
    DELTA:
      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):

pgprobackup::instance::backups:
  common:
    FULL:
      weekday: 0
    DELTA:
      weekday: [1-6]
  # run full backup to `off-site` location on first of each month
  off-site:
    FULL:
      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).

Logging

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:

pgprobackup::instance::backups:
  common:
    FULL:
      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)

Limitations

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.

pgprobackup::catalog::versions:
  - '11'
  - '12'