Upgrading

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Upgrade Puppet Server
Upgrade agents
Upgrade PuppetDB

To upgrade your deployment, you must upgrade both the infrastructure components and agents.

The order in which you upgrade components is important. Always upgrade Puppet Server and PuppetDB simultaneously, including the puppetdb-termini package on Puppet Server nodes, and always upgrade them before you upgrade agent nodes. Do not run different major versions on your Puppet masters (including Server) and PuppetDB nodes.

Important: These instructions cover upgrades in the versions 5 and 6 series. For instructions on upgrading from version 3.8.x, see previous versions of the documentation.

Upgrade Puppet Server

Upgrade Puppet Server to adopt features and functionality of newer versions.

Upgrading the puppetserver package effectively upgrades Puppet Server. The puppetserver package, in turn, depends on the puppet-agent package, and your node’s package manager automatically upgrades puppet-agent if the new version of puppetserver requires it.

Important: During an upgrade, Puppet Server doesn't perform its usual functions, including maintaining your site's infrastructure. If you use a single master, plan the timing of your upgrade accordingly and avoid reconfiguring any managed servers until your master is back up. If you use multiple load-balanced servers, upgrade them individually to avoid downtime or problems synchronizing configurations.

On your Puppet Server node, run the command appropriate to your package installer:
Yum:
```
yum update puppetserver
```
Apt:
```
apt-get update
apt-get install --only-upgrade puppetserver
```
If you pinned Puppet packages to a specific version, remove the pins.
For yum packages locked with the versionlock plugin, edit /etc/yum/pluginconf.d/versionlock.list to remove the lock.
On apt systems, remove .pref files from /etc/apt/preferences.d/ that pin packages, and use the apt-mark unhold command on each held package.

Upgrade agents

Regularly upgrade agents to keep your systems running smoothly.

Before you begin

Upgrade Puppet Server.

Upgrade *nix agents

To upgrade *nix nodes, use the update command.

On the agent node, run the command appropriate to your package installer:

Yum:

yum update puppet-agent

Apt:

apt-get update
apt-get install --only-upgrade puppet-agent

Upgrade Windows agents

To upgrade Windows agents, reinstall the agent using the installation instructions. You don't need to uninstall the agent before reinstalling unless you’re upgrading from 32-bit Puppet to the 64-bit version.

Upgrade macOS agents

Use the puppet resource command to upgrade macOS agents.

Before you begin

Download the appropriate agent tarball.

Use the package resource provider for macOS to install the agent from a disk image:

sudo puppet resource package "<NAME>.dmg" ensure=present source=<FULL PATH TO DMG>

Upgrade PuppetDB

PuppetDB can be upgraded independently of your master and agent nodes.

Follow these steps, depending on whether you want to automate upgrade or manually upgrade.
- To automate upgrade, specify the version parameter of the puppetlabs/puppetdb module’s puppetdb::globals class.
- To manually upgrade, on the PuppetDB node, run the command appropriate to your package installer:
  Yum:
  yum update puppetdb
  Apt:
  apt-get update apt-get install --only-upgrade puppetdb
On your master, upgrade the puppetdb-termini package by running the command appropriate to your package installer:
Yum:
```
yum update puppetdb-termini
```
Apt:
```
apt-get update
apt-get install --only-upgrade puppetdb-termini
```