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Upgrading Puppet Enterprise

Puppet Enterprise 2019.1

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  1. Upgrade paths
  2. Upgrade cautions
    1. TLSv1 and v1.1 disabled in 2019.1
    2. MCollective removal in PE 2019.0
    3. Removing MCollective
  3. Test modules before upgrade
  4. Upgrade a monolithic installation
  5. Upgrade a split installation
    1. Upgrade the master
    2. Upgrade PuppetDB
    3. Upgrade the console
    4. Run Puppet on infrastructure nodes
    5. Upgrade remaining infrastructure nodes
  6. Migrate from a split to a monolithic installation
  7. Upgrading PostgreSQL
  8. Checking for updates

Upgrade your PE installation as new versions become available.

Upgrade paths

These are the valid upgrade paths for PE.

If you're on version...Upgrade to...Notes
2019.1.zYou're up to date!

2019.0.z2019.1
2018.1.1 or later2019.1You must have version 2018.1.1 or later in order to complete prerequisites for upgrade to 2019.0. For details, see Upgrade cautions.
2018.1.02018.1.z
2017.3.z2018.1
2017.2.z2018.1
2017.1.z2018.1
2016.5.z2018.1
2016.4.10 or later2018.1
2016.4.9 or earlierlatest 2016.4.z, then 2018.1To upgrade to 2018.1 from 2015.2.z through 2016.4.9, you must first upgrade to the latest 2016.4.z.
2016.2.z
2016.1.z
2015.3.z
2015.2.z
3.8.x latest 2016.4.z, then 2018.1 To upgrade from 3.8.x, you must first migrate to the latest 2016.4.z. This upgrade requires a different process than upgrades from other versions.

Upgrade cautions

These are the major updates to recent PE versions that you should be aware of when upgrading.

Important: Always back up your installation before performing any upgrade.

TLSv1 and v1.1 disabled in 2019.1

As of PE 2019.1, TLSv1 and TLSv1.1 is now disabled by default to comply with security regulations. You must enable TLSv1 to upgrade agents on these platforms:

  • AIX

  • CentOS 5

  • RHEL 5

  • SLES 11

  • Solaris 10

  • Windows Server 2008r2

MCollective removal in PE 2019.0

If you're upgrading from a 2018.1 installation with MCollective enabled, you must take additional steps to ensure a successful upgrade.

Before upgrade

  • Remove MCollective from nodes in your infrastructure. If any nodes are configured with MCollective or ActiveMQ profiles when you attempt to upgrade, the installer halts and prompts you to remove the profiles.
    Tip: If your PuppetDB includes outdated catalogs for nodes that aren't currently being managed, the installer might report that MCollective is active on those nodes. You can deactivate the nodes with puppet node deactivate or use Puppet to update the records.

After upgrade

  • Manually remove these node groups:

    • PE MCollective

    • PE ActiveMQ Broker

    • Any custom node group you created for ActiveMQ hubs

  • If you customized classification with references to MCollective or ActiveMQ profiles, remove the profiles from your classification. In this version of PE, nodes that include MCollective or ActiveMQ profiles trigger a warning during agent runs. Future versions of PE that remove the profiles completely can trigger failures in catalog compilation if you leave the profiles in place.

Removing MCollective

Remove MCollective and its related files from the nodes in your infrastructure. You must have PE version 2018.1.1 or later to complete this task.

Note: This procedure does not remove your MCollective or ActiveMQ log files.
  1. In the console, click Classification, and select the node group PE Infrastructure.
  2. On the Configuration tab, find the puppet_enterprise class. Select the mcollective parameter and edit its value to absent.
    ClassParameterValue
    puppet_enterprise mcollective absent
  3. Click Add parameter and commit the change.
  4. Set up a job and run Puppet on the PE Infrastructure node group to enforce your changes.

The server components of MCollective, including pe-activemq and the peadmin user, are removed from the master and the MCollective service on agents is stopped. You must complete the upgrade to 2019.0 or later to completely remove MCollective from agents.

Test modules before upgrade

To ensure that your modules work with the newest version of PE, update and test them with Puppet Development Kit (PDK) before upgrading.

Before you begin

If you are already using PDK, your modules should pass validation and unit tests with your currently installed version of PDK. 

Update PDK with each new release to ensure compatability with new versions of PE.

  1. Download and install PDK. If you already have PDK installed, this updates PDK to its latest version. For detailed instructions and download links, see the installing instructions.
  2. If you have not previously used PDK with your modules, convert them to a PDK compatible format. This makes changes to your module to enable validation and unit testing with PDK. For important usage details, see the converting modules documentation. 

    For example, from within the module directory, run:

    pdk convert
  3. If your modules are already compatible with PDK, update them to the latest module template. If you converted modules in step 2, you do not need to update the template. To learn more about updating, see the updating module templates documentation.

    For example, from within the module directory, run:

    pdk update
  4. Validate and run unit tests for each module, specifying the version of PE you are upgrading to. When specifying a PE version, be sure to specify at least the year and the release number, such as 2018.1. For information about module validations and testing, see the validating and testing modules documentation.

    For example, from within the module directory, run:

    pdk validate
pdk test unit
    The pdk test unit command verifies that testing dependencies and directories are present and runs the unit tests that you write. It does not create unit tests for your module.
  5. If your module fails validation or unit tests, make any necessary changes to your code.

After you've verified that your modules work with the new PE version, you can continue with your upgrade.

Upgrade a monolithic installation

To upgrade, run the text-based PE installer on your master, and then upgrade any additional components. To upgrade with high availability enabled, you must run the upgrade script on your replica and then reinitialize the replica.

Before you begin

Back up your PE installation.

If you encounter errors during upgrade, you can fix them and run the installer again.

  1. Download the tarball appropriate to your operating system and architecture.
  2. Unpack the installation tarball: tar -xf <tarball>
    You need about 1 GB of space to untar the installer.
  3. From the installer directory, run the installer: sudo ./puppet-enterprise-installer
    Note: To specify a different pe.conf file other than the existing file, use the -c flag: 
    sudo ./puppet-enterprise-installer -c <FULL PATH TO pe.conf>

    With this flag, your previous pe.conf is backed up to /etc/puppetlabs/enterprise/conf.d/<TIMESTAMP>.conf and a new pe.conf is created at /etc/puppetlabs/enterprise/conf.d/pe.conf.

  4. If prompted, change the console administrator password by following the password reset link or running puppet infra console_password --password=<MY_PASSWORD>
    For security purposes, you're prompted to change the password if you didn't do so when you originally installed. If you don't change the password, the console administrator account is revoked.
  5. If you have compilers, upgrade them.
    SSH into each compiler and run: 
    /opt/puppetlabs/puppet/bin/curl --cacert /etc/puppetlabs/puppet/ssl/certs/ca.pem https://<PUPPET MASTER FQDN>:8140/packages/current/upgrade.bash | sudo bash
  6. Upgrade these additional PE infrastructure components.

    • Agents

    • Razor

    • PE client tools — Install the appropriate version of client tools that matches the PE version you upgraded to.

  7. In high availability installations, upgrade your replica.

    The replica is temporarily unavailable to serve as backup during this step, so you should time re-creating a replica to minimize risk.

    1. On your replica, run the upgrade script:
      curl --cacert /etc/puppetlabs/puppet/ssl/certs/ca.pem https://<MASTER_HOST>:8140/packages/current/upgrade.bash | bash
    2. Verify that master and replica services are operational:
      /opt/puppetlabs/bin/puppet-infra status
    3. If your replica reports errors, reinitialize the replica:
      /opt/puppetlabs/bin/puppet-infra reinitialize replica -y

Upgrade a split installation

To upgrade a split or large environment installation, run the text-based installer on each infrastructure node in your environment, and then upgrade any additional components.

Before you begin

Back up your PE installation.

Note: You must upgrade the components in the order specified.

If you encounter errors during upgrade, you can fix them and run the installer again.

Upgrade the master

Upgrading the master is the first step in upgrading a split or large environment installation.

  1. Download the tarball appropriate to your operating system and architecture.
  2. Unpack the installation tarball: tar -xf <tarball>
    You need about 1 GB of space to untar the installer.
  3. Stop the agent service: sudo puppet resource service puppet ensure=stopped
  4. From the installer directory, run the installer: sudo ./puppet-enterprise-installer
    Note: To specify a different pe.conf file other than the existing file, use the -c flag: 
    sudo ./puppet-enterprise-installer -c <FULL PATH TO pe.conf>

    With this flag, your previous pe.conf is backed up to /etc/puppetlabs/enterprise/conf.d/<TIMESTAMP>.conf and a new pe.conf is created at /etc/puppetlabs/enterprise/conf.d/pe.conf.

  5. When upgrade completes, transfer the installer and the pe.conf file located at /etc/puppetlabs/enterprise/conf.d/ to the next server that you're upgrading a component on.

Upgrade PuppetDB

In a split installation, after you upgrade the master, you're ready to upgrade PuppetDB.

  1. Unpack the installation tarball: tar -xf <tarball>
    You need about 1 GB of space to untar the installer.
  2. Stop the agent service: sudo puppet resource service puppet ensure=stopped
  3. From the installer directory, run the installer: sudo ./puppet-enterprise-installer -c <FULL PATH TO pe.conf>
  4. When upgrade completes, transfer the installer and the pe.conf file located at /etc/puppetlabs/enterprise/conf.d/ to the next server that you're upgrading a component on.

Upgrade the console

In a split installation, after you upgrade the master and PuppetDB, you're ready to upgrade the console.

  1. Unpack the installation tarball: tar -xf <tarball>
    You need about 1 GB of space to untar the installer.
  2. Stop the agent service: sudo puppet resource service puppet ensure=stopped
  3. From the installer directory, run the installer: sudo ./puppet-enterprise-installer -c <FULL PATH TO pe.conf>
  4. If prompted, change the console administrator password by following the password reset link or running puppet infra console_password --password=<MY_PASSWORD>
    For security purposes, you're prompted to change the password if you didn't do so when you originally installed. If you don't change the password, the console administrator account is revoked.

Run Puppet on infrastructure nodes

To complete a split upgrade, run Puppet on all infrastructure nodes in the order that they were upgraded.

  1. Run Puppet on the master node.
  2. Run Puppet on the PuppetDB node.
  3. Run Puppet on the console node.

Upgrade remaining infrastructure nodes

After the main components of your infrastructure are upgraded, you must upgrade any additional infrastructure nodes, such as compilers, hubs, and spokes.

  1. If you have compilers, upgrade them.
    SSH into each compiler and run: 
    /opt/puppetlabs/puppet/bin/curl --cacert /etc/puppetlabs/puppet/ssl/certs/ca.pem https://<PUPPET MASTER FQDN>:8140/packages/current/upgrade.bash | sudo bash
  2. Upgrade these additional PE infrastructure components.

    • Agents

    • Razor

    • PE client tools — Install the appropriate version of client tools that matches the PE version you upgraded to.

Migrate from a split to a monolithic installation

Split installations, where the master, console, and PuppetDB are installed on separate nodes, are deprecated. Migrate from an existing split installation to a monolithic installation—with or without compilers—and a standalone PE-PostgreSQL node.

Before you begin

The puppet infrastructure run command leverages built-in Bolt plans to automate certain management tasks. To use this command, you must be able to connect using SSH from your master to any nodes that the command modifies. You can establish an SSH connection using key forwarding, a local key file, or by specifying keys in .ssh/config on your master.

You must have token-based authentication configured between Bolt and PuppetDB. For details about configuring this connection, see the Bolt documentation.

Important: The migration command used in this task automates a number of manual steps, including editing pe.conf, unpinning and uninstalling packages from affected infrastructure nodes, and running Puppet multiple times. Treat this process as you would any major migration by thoroughly testing it in an environment that's as similar to your production environment as possible.
  1. On your master, verify that pe.conf contains correct information for console_host, puppetdb_host, and database_host.
    The migration command uses this information to correctly migrate these nodes.
  2. On your master as the root user, run: puppet infrastructure run migrate_split_to_mono
After completion, your master is running the console and PuppetDB services and you can retire or repurpose the old console node. If you did not start with a standalone PE-PostgreSQL node, your old PuppetDB node now functions in that capacity. If you did start with a standalone PE-PostgreSQL node, it continues to function in that capacity and you can retire or repurpose the old PuppetDB node.

Upgrading PostgreSQL

If you use the default PE-PostgreSQL database installed alongside PuppetDB, you don't have to take special steps to upgrade PostgreSQL. However, if you have a standalone PE-PostgreSQL instance, or if you use a PostgreSQL instance not managed by PE, you must take extra steps to upgrade PostgreSQL.

You must upgrade a standalone PE-PostgreSQL instance each time you upgrade PE. To upgrade a standalone PE-PostgreSQL instance, simply run the installer on the PE-PostgreSQL node first, then proceed with upgrading the rest of your infrastructure.

You must upgrade a PostgreSQL instance not managed by PE only when there's an upgrade to PostgreSQL in PE, which occurred most recently in 2017.3. To upgrade an unmanaged PostgreSQL instance, use one of these methods:

  • Back up databases, wipe your old PostgreSQL installation, install the latest version of PostgreSQL, and restore the databases. 

  • Back up databases, set up a new node with the latest version of PostgreSQL, restore databases to the new node, and reconfigure PE to point to the new database_host.

  • Run pg_upgrade to get from the older PostgreSQL version to the latest version.

Checking for updates

To see the version of PE you're currently using, run puppet --version on the command line. Check the PE download site to find information about the latest maintenance release.

Note: By default, the master checks for updates whenever the pe-puppetserver service restarts. As part of the check, it passes some basic, anonymous information to Puppet servers. You can optionally disable update checking.
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