Puppet Hiera data not found

Incorrect Hiera configuration or missing data files.

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What is

Puppet Hiera data not found

?

Resolving 'Hiera Data Not Found' in Puppet

Understanding Puppet and Hiera

Puppet is a powerful open-source configuration management tool used to automate the provisioning, configuration, and management of infrastructure. It allows system administrators to define the desired state of their systems using a declarative language. Hiera is a key component of Puppet, serving as a hierarchical data store that allows you to separate data from code, making your Puppet manifests more flexible and reusable.

Identifying the Symptom

When working with Puppet, you might encounter the error message: 'Hiera data not found'. This typically occurs when Puppet is unable to locate the necessary data files specified in your Hiera configuration. This can lead to failures in applying configurations as expected, causing disruptions in automated processes.

Exploring the Issue

The 'Hiera data not found' issue usually stems from an incorrect Hiera configuration or missing data files. Hiera uses a configuration file, typically named hiera.yaml, to define where and how data should be retrieved. If this file is misconfigured or if the data files are not in the expected locations, Puppet will be unable to retrieve the necessary data, resulting in this error.

Common Causes

Misconfigured hiera.yaml file.
Data files missing from specified directories.
Incorrect permissions on data files or directories.

Steps to Fix the Issue

Step 1: Verify Hiera Configuration

First, ensure that your hiera.yaml file is correctly configured. This file is usually located in the /etc/puppetlabs/code directory. Check that the paths specified in the hiera.yaml file are correct and point to the actual locations of your data files.

--- version: 5 hierarchy: - name: 'Common data' path: 'common.yaml'

For more information on configuring Hiera, refer to the official Puppet documentation.

Step 2: Check Data File Locations

Ensure that the data files specified in your hiera.yaml are present in the correct directories. For example, if your configuration specifies a file common.yaml, verify that this file exists in the specified path.

Step 3: Verify File Permissions

Check the permissions of your data files and directories to ensure that the Puppet user has the necessary read access. You can use the following command to adjust permissions if needed:

chmod -R 644 /etc/puppetlabs/code/environments/production/hieradata

Step 4: Test Your Configuration

After making the necessary changes, test your Puppet configuration to ensure that the issue is resolved. You can use the following command to apply the configuration and check for errors:

puppet apply --debug --trace /etc/puppetlabs/code/environments/production/manifests/site.pp

Conclusion

By following these steps, you should be able to resolve the 'Hiera data not found' issue in Puppet. Proper configuration and management of your Hiera data files are crucial for the smooth operation of your Puppet infrastructure. For further reading, consider exploring the Hiera documentation for advanced configurations and best practices.

Attached error:

Puppet Hiera data not found

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