postgres-operator

module
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Published: Aug 22, 2024 License: MIT

README

Postgres Operator

Tests E2E Tests Coverage Status

The Postgres Operator delivers an easy to run highly-available PostgreSQL clusters on Kubernetes (K8s) powered by Patroni. It is configured only through Postgres manifests (CRDs) to ease integration into automated CI/CD pipelines with no access to Kubernetes API directly, promoting infrastructure as code vs manual operations.

Operator features
  • Rolling updates on Postgres cluster changes, incl. quick minor version updates
  • Live volume resize without pod restarts (AWS EBS, PVC)
  • Database connection pooling with PGBouncer
  • Support fast in place major version upgrade. Supports global upgrade of all clusters.
  • Restore and cloning Postgres clusters on AWS, GCS and Azure
  • Additionally logical backups to S3 or GCS bucket can be configured
  • Standby cluster from S3 or GCS WAL archive
  • Configurable for non-cloud environments
  • Basic credential and user management on K8s, eases application deployments
  • Support for custom TLS certificates
  • UI to create and edit Postgres cluster manifests
  • Compatible with OpenShift
PostgreSQL features

The Postgres Operator has been developed at Zalando and is being used in production for over five years.

Supported Postgres & K8s versions

Release Postgres versions K8s versions Golang
v1.13.0 12 → 16 1.27+ 1.22.5
v1.12.0 11 → 16 1.27+ 1.22.3
v1.11.0 11 → 16 1.27+ 1.21.7
v1.10.1 10 → 15 1.21+ 1.19.8
v1.9.0 10 → 15 1.21+ 1.18.9
v1.8.2 9.5 → 14 1.20 → 1.24 1.17.4

Getting started

For a quick first impression follow the instructions of this tutorial.

Supported setups of Postgres and Applications

Features Features

Documentation

There is a browser-friendly version of this documentation at postgres-operator.readthedocs.io

Directories

Path Synopsis
kubectl-pg module
pkg
generated/clientset/versioned
This package has the automatically generated clientset.
This package has the automatically generated clientset.
generated/clientset/versioned/fake
This package has the automatically generated fake clientset.
This package has the automatically generated fake clientset.
generated/clientset/versioned/scheme
This package contains the scheme of the automatically generated clientset.
This package contains the scheme of the automatically generated clientset.
generated/clientset/versioned/typed/acid.zalan.do/v1
This package has the automatically generated typed clients.
This package has the automatically generated typed clients.
generated/clientset/versioned/typed/acid.zalan.do/v1/fake
Package fake has the automatically generated clients.
Package fake has the automatically generated clients.
generated/clientset/versioned/typed/zalando.org/v1
This package has the automatically generated typed clients.
This package has the automatically generated typed clients.
generated/clientset/versioned/typed/zalando.org/v1/fake
Package fake has the automatically generated clients.
Package fake has the automatically generated clients.
util/nicediff
Package diff implements a linewise diff algorithm.
Package diff implements a linewise diff algorithm.

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