kubeversionupdater

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Published: Jan 9, 2024 License: AGPL-3.0 Imports: 0 Imported by: 1

README

Teleport Kubernetes Agent Updater (teleport-kube-agent-updater)

The Teleport kubernetes updater is a controller in charge of updating Teleport Kubernetes agents. This alleviates the cost of updating all agents on large-scale deployments.

Note: Teleport Kubernetes agents are not limited to Kubernetes Access. The term applies to every Teleport instance running in a Kubernetes cluster and not running the Proxy nor Auth Service. Agents are typically deployed by the teleport-kube-agent chart.

Design

This updater was designed first for cloud customers but can be adapter to run for on-prem users as well.

See the cloud update RFD for more context.

If an update goes wrong, a temporary downtime is acceptable until a correct version is pushed (this risk is mitigated by multi-replica deployments). However, the failure mode in which the deployment is stuck and the user has to take manual action must not happen.

The updater validates the image provenance to protect against registry compromise.

The updater logic is the following:

  • check if maintenance is allowed
  • check if a new version is available and version change is valid
  • check if the new image can be validated

Documentation

Overview

Code generated by "make version". DO NOT EDIT.

Index

Constants

View Source
const Version = "15.0.0-dev"

Variables

View Source
var Gitref string

Gitref is set to the output of "git describe" during the build process.

Functions

This section is empty.

Types

This section is empty.

Directories

Path Synopsis
cmd
cosign-fixtures is a tool to generate valid and invalid cosign signed artifacts This is used to test the Cosign validator implementation.
cosign-fixtures is a tool to generate valid and invalid cosign signed artifacts This is used to test the Cosign validator implementation.
pkg
img
Package img contains the required interfaces and logic to validate that an image has been issued by Teleport and can be trusted.
Package img contains the required interfaces and logic to validate that an image has been issued by Teleport and can be trusted.

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