How Does Hiera Know Which Yaml File to Use

So you can read your hiera data files and map all the keys and values into a schema pretty quickly. Add the hiera_config setting puppet config set hiera_config homeuser1reposhieradatahierayaml Your hiera config path will be different Make sure the hiera config file points to the data directory relative.

Puppet Enterprise Structure Your Hiera Data Romiko Derbynew

Please make a note of the fact that hierarchy to hiera is the order in which you have given string values in hierarchy setting.

. Touch puppet config print config c. Although Hiera is able to provide data separation it cannot ensure security of sensitive information. You obviously need to do this on a puppet master or a node thats configured to have all the hiera data in the same place the masters do.

Modules making use of simple string data that has been retrieved from Hiera There are 2 syntax styles that you can use to declare a class include-like and resource-like. The hierayaml file is a YAML file containing a hash with up to four top-level keys. Pass variable from a puppet class to a hiera yaml file.

YAML always requires colons and commas used as list separators followed by space with scalar values. It will first look for data in file named firstyaml then it will move on to secondyaml then it will finally look for data inside thirdyaml. The following keys are in a hierayaml file.

Use your Hiera data in Puppet. The most obvious option is to log in to the Puppet master and edit the secureeyaml file directly. To edit files you have a few options.

Nodes should be labelled with an exclamation mark. To access the value just use the hiera command with the key as shown below. Include user_account or class user_account During a puppet run whenever a puppet.

Anyone with access to the Hiera data store will be able to see the data. Must be the number 5 with no quotes. Defaults - A hash which can set a default datadir backend and options for hierarchy levels.

Also check out the hiera_explain gem. An ordered list of data sources. Make a hierayaml config file.

Now youre set to use hiera-eyaml. 2 Use command line Hiera to see if it recognizes my variables. Please dont do this.

You can mix your plain values in as well or separate them into different files. Hiera searches these data sources in the order they are written. Ruby makes it easy to turn YAML files into native ruby objects.

So we first need to install the ntp puppet module on the Puppet Master. Encrypted values can occur within arrays hashes nested arrays and nested. Higher-priority sources override lower-priority ones.

Rootpuppetmaster puppet hiera user_accountusername --config etcpuppetlabscodehierayaml hostnamepuppetagent1 Tom. How to use Ansible to update a client machine without having its IP address. The default file extension for the secure Hiera file is eyaml.

Most hierarchy levels use variables to locate a data. Announcement You can find all my latest posts on medium. Access hiera data from within a Puppet fact.

Repeated nodes in each file are initially denoted by an ampersand and by an asterisk mark later. To get to grips with Hiera its worth following the Puppet Labs complete example in which the ntp service is configured. However to eliminate ambiguity on which hierayaml file is used you should specify the path to your hierayaml file on the command line as well eg.

Puppet check if hiera variable changed. Hiera -d -c hierayaml -y factsyaml git_downshell. However if you want to use yaml simply add the following line to your hierayaml under the eyaml.

1 Use command line facter to create a YAML fact file with all my facts as needed when running Hiera. Arrange a hierarchy that fits your site and data. Hiera outputs the following.

Facter -y factsyaml. Hiera-eyaml is a backend for Hiera that provides per-value encryption of sensitive data within yaml files to be used by Puppet. Sometimes its very difficult to see how hiera works and what values it might return.

Using fqdn_rand and remove numbers from a pool. To help with troubleshooting you can use the hiera cli to do lookups yourself. The hierayaml file configures a hierarchy.

The hiera data you have contains all the keys and values that are currently being used. The Hiera eyaml backend uses yaml formatted files with the eyaml extension. Use existing hiera data.

If you have used interpolation in the datadir configuration You should add the parameters as shown below. Heres the hierayaml configuration. If you want access the value for a key from a yaml file which is high hierarchy you need to specify that in the lookup.

The encrypted strings are prefixed with the encryption method wrapped with ENC and placed in an eyaml file.

Create A Hiera Hierarchy Hpc Configuration Management Using Puppet 5

Create A Hiera Hierarchy Hpc Configuration Management Using Puppet 5

Getting Hiera And Hiera