• puppet hiera hash example 4 . Thanks to hiera-puppet it plugs nicely into Puppet. The mapped_paths key must have an array as argument with three string elements, in the following order: A variable whose value is an array or hash (apps in the example)A temporary variable name to represent each element of the array or hash. If you want each node to have its own sshd-auth info, and no node needs to have any of the others' info, then your data are structured sub-optimally. yaml, in this example I am just going to add one user for myself, I am giving this user sudo access along with a password, I am also adding an SSH key as we are going to turn off password based ssh logins completely. (from puppet docs) Puppet Hash Merge Question Native is one of the options you can set for merge_behavior in hiera. I apologize in advance if this is something The second component of this specific example is a special Hiera variable called %{calling_module}. ) Currently I don't understand how I've to replace hiera_hash and create_resources. see the search faq for details. 0:22:10. Puppet. Puppet Variables, Expressions, Facts and Hiera on Windows. Hiera is configured correctly on the server and by running test hiera call from command line I'm getting correct value. edit. Agenda • What is Hiera? • What does Hiera do? • Authoring Data • Differences hiera 3, (4), and 5 • Writing backends 4. Configuring a basic Hiera setup After installing hiera (gem install hiera), I want to test it by setting up a pretty basic configuration store that will override my configuration variables based on environment settings of dev, stage or live. Optionally, if the hash contains elements which are hashes, create a new element in that hash containing the original key. pp:10 on node foo1 The result was the Puppet Enterprise plugin, which fully buys into the Pipeline ideals by providing methods to control the different capabilities in Puppet Enterprise. Hieraʼs data types map to the native JSON data types as follows: Hiera Hash Array String Number Boolean JSON Object Array String Number true / false Any string may include any number of variable interpolation tokens. Edit: looks like there is a keys() function i can use over the hash and iterate over that then use hiera_hash('appSettings') to get the hash and iterate through the values. Assigning resources to nodes with hiera in puppet. We’ll look specifically at hiera_hash() and the create_resources() it is commonly paired with. I'm trying to implement puppet /etc/hosts handling using hiera as data source, but my current implementation requires data duplication because I could pass only array of strings as $name to host module Puppet::Parser::Functions newfunction(:prefix_keys, :type => :rvalue, :doc => -'ENDHEREDOC') do |args| Returns a new hash in which all keys are prefixed with the specified string. What is the difference between native merge and hash merge? Not quite sure based on the example below. the keys within the hash correspond to the hostname/certname of the node(s) that'll be classified with the profile module that calls the hash value. 1. Tiny Puppet data. For storing all of that server-specific data, Puppet recommends using a key-value lookup tool called Hiera. 0:22:^{pott01_ip}" hiera would lookup the value for pott01_ip in hiera and interpolate that into the string, the result being, "0. (from puppet docs) - Hash merge. It is yaml file named “hiera. the keys within the hash correspond to the hostname/certname of t Hi All, I am banging my head against the wall working on a puppet module and related Hiera data. We currently retrieve variables from Hiera in one big collection while the Puppet 3 doc seems to indicate storing variables without the collection. We use Hiera to store passwords and access-sensitive secrets. yaml file, we create a new archive_files: hash. The Puppet 4 Lookup Function. Puppet resources directly from Hiera data. 7 thoughts on “ Assigning resources to nodes with hiera there is a bug in some versions of hiera_hash Sub-reddit all about the puppet Puppet 4 with Hiera example. e. This avoids having to repeatedly perform this type of lookup logic in puppet and allows you to use your hiera data from within hiera itself. 2. 9 and higher, and includes features like per-environment hierarchies, module data, simplified custom ba Chapter 3 - Using Hiera. 10. if the inputs change — for example, if hiera. Minto Joseph, Site Reliability Consultant at Pythian, explains how to encrypting sensitive data in puppet using hiera-eyaml. samba::shares: Two fixes were required. :yaml: configures the YAML data backend, telling Hiera to look in /etc/puppet/hieradata for YAML data sources. However, when I apply the module, the value which corresponds to the hash key for the host is always null. example. Is native merge just a type of hash merge? There is no example shown for hash merge. Making me choose is annoying. 0. subreddit:aww site:imgur. Puppet will automatically retrieve class Adding a Key/Value Pair to Hiera Examples The third is hiera_hash. With masterless puppet this becomes difficult since all clients have access to the full set of Hiera data, which means your webserver might have the ability to query the database server’s admin password – certainly not ideal. But how do we get the elements from the hash? Luckily puppet stdlib has the answer: there is a keys() This was a regression in 4. Table of Contents. Using hiera with puppet, a complete tutorial with example configuration to separate site specific data from puppet manifests using hierarchial lookup. (Example below. or a hash Puppet and nested hashes in hiera In Puppet, representing your data like a normal mortal would do leads you nowhere. The module is as follows Interpolation in Hiera data Hiera data is not restricted to literal values; it can also include the value of Facter facts or Puppet variables, as in the following example: backup_path Creating resources with Hiera data When we started working with Puppet, we created resources directly in the manifest using literal attribute values. (1 reply) Hi, I'm trying to reconcile the advice in the Puppet 3 class doc with our current use of Hiera. Puppet is a configuration management tool that plays nicely with Conjur, allowing engineers the freedom to control servers without compromising security. Puppet 8,449 views. and pass the aggregate data as a hash parameter. com find submissions from "example. Recently, we looked at converting a module to be hiera friendly. com Community examples: ilikejam/hiera-enc (github) raw download clone embed report print Puppet 0. 2. The special $trusted hash and $server_facts hash are the only variables that are verified by the Puppet Hiera is Puppet’s builtin key/value data lookup Here’s a bit more complex example, where the popular Hiera-eyaml backend is hiera_hash() and hiera_include(). 7 thoughts on “ Assigning resources to nodes with hiera there is a bug in some versions of hiera_hash Moving to Puppet as the real issue is that Puppet databindings need to produce an error mentioning Hiera if lookup happens to fail for any reason. About Me • Swedish • Live on the island of Gozo, Malta • Father of 3 • Author of the Puppet 4 Language, Hiera 5, and Puppet Type system, Task Plans. Here’s a simplistic example expressed in hiera somehow to keep the data out of the Puppet code. For example, we have a module to manage a log indexer. The data used by Here follows an example where we use Hiera to store data both for settings and for options: $nginx_settings = hiera_hash('nginx Here is an example of setting up the puppet apply -e We’ve got a post coming soon about how to enable Hiera Hash Merging so you don’t have to copy the The most obvious example of this that I can come up with is in the case of windows paths. hiera: Returns a value for a given key, value can be data of any type (string, array, or hash) hiera_array: Returns all matches throughout the hierarchy, not just the first match, as a flattened array of unique values. Code. sihil 1,427 views. Hiera-mysql 3. Examples on the web always talk about how to setup nested hiera or how pull out a whole hash/array. For example, let’s say you have Working with a dynamic hiera. org: Hi all, I am looking for a little clarification on the hiera calls. by sher | Published January 20, 2015. 9. Updated about 3 years ago. With your parameters neatly stored in a Hiera hash, it’s possible to create huge configurations in just a line of two of code. Note: This tutorial is based on puppet enterprise. A Hiera lookup can produce values that are strings, hashes, arrays, booleans, or numbers, but only values of type string can be passed to Backend. Puppet – Retrieving different data types using Hiera. hiera_array or hiera_hash functions in the body of your classes. small: disks: /dev/xvdb1 enabled: yes Loading it with hiera. yaml file in the base puppet directory. parse_string. up vote 1 down vote favorite. hiera_array is not giving me the desired result and hiera_hash is giving me The example i gave is for a For example, ‘Hello %{somekey}’ becomes ‘Hello world’ if a lookup with the key ‘somekey’ yields the string ‘world’. com" url:text search for "text" in url selftext:text search for "text" in self post contents self:yes (or self:no) include (or exclude) self posts nsfw:yes (or nsfw:no) include (or exclude) results marked as NSFW. 52". First in my manifest I added a default empty hash to stop the catalog compile from failing if no vhosts were defined. Example I am using a Hiera hash to hold some token values which are host-specific. On a traditional Puppet master environment, this works well since the Puppet master controls access to the Hiera data and ensures that client servers only have access to credentials that apply to them. I have studied Internet search results and puppet Hiera, Hashes, and Create_resources; with use of data obtained via hiera. However, for some reason I struggled a bit to really get my head around it. This is probably why Hiera comes bundled with Puppet Enterprise. use of Looks like all your hash literals are malformed. You can use hiera 5 now and take some time to replace the deprecated bits. no puppet 2. Lookup of hiera defined data in environments and modules did not to perform interpolation in nested arrays and hashes, instead the strings containing the interpolation instructions were returned as is. The hiera configuration file resides in “/etc/puppetlabs/code” directory. Around this time last year, November of 2016, Will Hopper wrote a blog post about how to use puppet-strings. Puppet Variables, Expressions, Facts and Hiera on server_config is an example of a hash with two key hiera_hash lookup returns struct, how to pass to function written in puppet? Showing 1-11 of 11 messages (6 replies) Hi, I'm trying to build a module for haproxy which fetches all the configuration data from Hiera to populate the haproxy config file. 4 from 4. I could see the benefits, namely decoupling my site configuration from my logic. com $ hiera Getting Hiera and Hiera Add some direct hiera lookup puppet apply --modulepath //github. the TLS certificate of M (like Puppet itself, or #6 Bacula). 9 and later use Hiera 5, Unlike the other lookup types, For example, to look up an element in a hash: Examples. I am using a Hiera hash to hold some token values which are host-specific. Example of a function to retrieve the top value found or hiera_hash to merge all the In this example hiera will first lookup the data by first scanning all Also this hash table only contains 1 key Puppet – The hiera. 42:51. Try let(:hiera_data) do { : TDD a Hiera hash in Puppet. 1. ) and automatic parameter lookups with classes. The methods provide ways to query PuppetDB, set Hiera key/value pairs, deploy Puppet code environments with Code Management, and kick off orchestrated Puppet runs with the Orchestrator. 9 and higher, For example, to look up an element in a hash: $ hiera user I have currently an issue between hiera/puppet: puppet hiera array, loop and hash. No tags for this snippet yet. com" url:text What am I doing wrong with Hiera? your_hiera_root/puppet_role/some_cool_role. and avoid repeating yourself when writing data. With the suggested change of using a slash (“\”) to mean “no interpolation” almost all windows paths in hiera data will need to be changed. yaml public key hash}' Later on we will setup hiera in our Home » Tutorials » Puppet » Puppet – What is Facter. It was written for and by system administrators to manage large numbers of systems efficiently and prevent configuration drifts. To create the necessary resources, this example uses the Puppet function create_resources, which converts a hash into a set of resources of the specified type. For example, to obtain the hash The way PeopleSoft delivers Puppet and the Hiera For example, this is the hash for PS Anything that is a hash in YAML files can use the hiera_hash() Hiera Hash Merge - Avoiding Duplicating If you want hash-merge lookup then you must call hiera_hash() sysadmin knowledge to your example problem. Hiera is a very powerful and scalable tool that simplifies the writing of your Puppet manifests and helps in centralizing commonly used objects across your Infrastructure. Hiera Functions. cd ~/example. • On the Puppet Core team helindbe @hel 3. This week on the podcast, Dan has follow-up on using Hiera with Puppet environments, For example, this is the hash for PS_HOME information: For example, this is the hash for PS Anything that is a hash in YAML files can use the hiera_hash() Dan and Kyle discuss Hiera hash merging, using Puppet In this case, of course, Hiera will only be consulted for these configuration settings when the role::postgresql_puppetdb class is included, but nothing keeps you from putting that hiera_hash-create_resources combo in other roles, possibly a role::postgresql. Puppet functions that take a lambda as a parameter can now be tested by chaining with_lambda to the run matcher. Consider the example of have promoted in Puppet, Hiera has You can use a qualified key to lookup a value that is contained inside a hash or array: $ hiera When using Puppet, it's considered best practice to separate server-specific data out of the manifests so they're more abstract and easier to read. Provisioning AWS resources from Hiera data There's nothing wrong with managing AWS resources directly in the code, as we've done in the previous examples, but we can do I am using a Hiera hash to hold some token values which are host-specific. hash directly or nearly directly from hiera. Hash — matches a hash of any length; any keys must match Scalar and any values must match Data. So I need to download and install the most recent Facter, Hiera and Puppet packages which are found on this page. Anyway, I'll download and run facter-1. A hash merge lookup assembles a value from every matching level of the hierarchy. g. The function has two mandatory arguments, the resource type and a hash table that describes the resource titles and parameters. In fact, create_resources is a function which converts a hash into a set of resources and adds them to the catalog. This is a global module designed to be used by any organization. org. The regression was that the merge logic refused to merge mismatched types, or non array and hash values. UNIX virtualization [root@puppetserver examples]# puppet apply read_hashes_and_arrays. In this chapter, we've seen how to Integrating Jerakia with Puppet The options hash of the Hiera entry can contain options to An example of this can be seen in the default policy that is Puppet 5 Beginner's Guide The Puppet 5 Beginner’s Guide is the perfect introduction to Puppet 5 for complete beginners, taking you from first steps to completely automating your infrastructure with Puppet, including containers and cloud resources. # puppet apply -e '$foo = hiera_hash users in any Hiera data file and no default supplied at /etc/puppet/modules/accounts/manifests/init. Pattern and you store sensitive/private information in your Puppet code or Hiera example above for Puppet 4 could be What is the difference between native merge and hash merge? Not quite sure based on the example below. pp in Puppet 4. I have this structure in my hiera file that create some rules in my smb. I put all of the server/role assignments into a hash in Hiera, and a scrap of Puppet code Using Puppet Trusted Facts. Note: We’ve released a major update to Hiera called Hiera 5. Interpolation in Hiera data Hiera data is not restricted to literal values; it can also include the value of Facter facts or Puppet variables, as in the following example: backup_path Getting Started With Puppet Code: Manifests Getting Started With Puppet Code: Manifests and Modules so it can be used by your other Puppet nodes. You can use hiera lookups (hiera(), hiera_hash(), etc. pp. In the psft_customizations. --- # sender. 7. This variable is unique and reserved for Hiera to indicate that the yaml filename to search will be the same as the Puppet module that is performing the Hiera lookup. com. domain. 6 they can have parameters. Get value from hiera hash in Puppet. Hiera Overview¶ SIMP now uses Hiera natively instead of Extdata. bash Puppet – How Puppet Modules makes use of Hiera. . a guest Feb 25th, 2015 195 Never Not a member of Pastebin yet? Sign Up, it server_options hash, rather than merging! Using Hiera with Puppet is something I have struggled with a bit. 03/13/2016. Create a new hash to store the archives we want to deploy; Update the Puppet code to read from the new hash; Hash to Store Archive Data. Puppet Hiera Tutorial. 1 and puppet-3. 6. Monitoring and Logging for Docker Enterprise Edition Solr Cheatsheet Kubernetes Cheatsheet Appendix C - Node Classification: Roles & Profiles. (6 replies) Hi, I'm trying to build a module for haproxy which fetches all the configuration data from Hiera to populate the haproxy config file. With the hiera However, as there are some issues with the old hiera format and for the purpose of removing dependence on specific backends, puppet 4 now also supports a new hiera. When evaluating the string, "0. In this case, we'll be using YAML files. A Key/Value Lookup Tool. You must model your data in a way that Puppet can access. profiles::ssh::server puppet hiera example. With Puppet • Configuration for each server is held in code, and in an external git repo • Checkout the modules onto a new Puppet Master • Spin up new servers and run Puppet which would create all resources - sites, keys etc. yaml. Each hash key is the equivalent to a parameter in the autofs::mount defined type. In particular, the ordinary hiera() function will return a hash if that's the type of value associated with the requested key. Roles and Profiles. When using Puppet, it's considered best practice to separate server-specific data out of the manifests so they're more abstract and easier to read. Todo. Puppet; PUP-7594; Hiera hash keys are being converted to strings recursively Puppet 4 data lookup strategies 02/03/2016 I recently wrote about the new Data in Modules support in Puppet 4, there’s another new feature that goes hand in hand with this to finally rid us of functions like hiera_hash() and such. The 3. --hash Return all values as a hash -c, How Puppet Modules makes use of Hiera; Puppet Puppet Cheat Sheet. Puppet 4. load_file() will deserialize say an Integer to a ruby Fixnum, but the function symkeys_to_string converts every key to a string, regardless of whether it is a symbol Puppet hiera hash merge and automatic parameter lookup 2014 · by Artem Sidorenko but if it’s used with hiera it will use array and hash lookups. com dog. Before Hiera, this was not possible. Provisioning AWS resources from Hiera data. Hiera hash?: puppet. Puppet Tutorial By Alessandro Since Puppet 2. yaml format. I am running Sat6 server v. e. hiera_hash('vhosts')['hostname']['sitename']['app_url'] which will result in value. There are various different ways to utilise the class keyword and these are explored below. Two fixes were required. If you are trying to do create_resources(), then you probably want to construct the hash as a hash of resource hashes. Issues 9. Home » Tutorials » Puppet » Puppet – Working with a dynamic hiera. A hiera hash may be used to assemble the sudoers configuration. yaml apache::vhost: sender. What Puppet3. This was compounded by it being quite new (only really integrated in Puppet 3), so the docs are little lacking. The Autofs module is a Puppet module for managing the configuration of automount network file system. Puppet 3’s data bindings automatically map class’ parameters to Hiera keys, so for these cases, we don’t have to explicitly use hiera* functions. This new format allows for some great features such as mixing backends per hierarchy source and per-environment hiera. ; Hash[Integer, String] — matches a hash that uses integers for keys and strings for values. yaml interpolates a local variable in a (in the Puppet language) or Puppet uses Hiera, Using interpolation functions that do Hiera lookups, for example lookup the subkey must be the name of a key in that hash, for example, Puppet 4. Use use just the keys of the hash as your resource titles. I have this in a yaml file: pvdisks: ec2_pvdisks_m1. This module assumes the use of Hiera to set variables and serve up configuration files. com': # source_path: 'puppet: certsvhost = hiera_hash One example is that hiera allows us to define a key in any file. Using Hiera. puppet filebucket –local restore $ server = puppet. Puppet 5 Beginner’s Guide, Third Edition gets you up and running with the very latest features of Puppet 5, including Docker containers, Hiera data, and Amazon AWS cloud orchestration. com-inf/puppet/hiera/common. For example, to obtain the hash you hiera_hash lookup returns struct, how to pass to function written in puppet? Showing 1-11 of 11 messages Recently, while working with Puppet (2. Puppet – Hiera lookup Behaviours. (files took 3 seconds to load) 1 example, 0 failures We’ve covered a number of ways to use hiera in your class. yaml Hierarchies: ---: Apologize for formatting, I'm new to this. The improvement with the most effect for now seems to be the introduction of a conventional (meta-) resource any other code fragment may access. In Puppet language basics, you will build confidence and familiarity with the Puppet language through established best practices. yaml files, which is great if you're using r10k for multiple non-homogeneous environments. We will run following examples on a Puppet You’ll need to have the hash ref available. I've run into a number of issues though when I try to use hashes. In this Puppet environment, users are listed in hiera in a hash. Hiera configuration can now be specified when testing Puppet functions using let(:hiera_config). Consider the example of have promoted in Puppet, Hiera has You can use a qualified key to lookup a value that is contained inside a hash or array: $ hiera Hi all, I am looking for a little clarification on the hiera calls. Puppet&Hiera: $variable is not an hash or array when accessing it. hiera_array will find all of the matching When using Hiera values within Puppet Complex hiera lookup not cluster_name: "cluster. find submissions from "example. yaml configuration for use site:example. A basic introduction to configuration management and how Puppet works values. This hash is where we can explicitly define which archive files we want to use. I have currently an issue between hiera/puppet: puppet hiera array, loop and hash. Home » Tutorials » Puppet » Puppet – Retrieving different data types using Hiera. Another task you may have to look forward to is tracking configuration files for different hosts providing the same service. First Aid / Debugging $ ssh puppet $ cat /etc/hiera. the keys within the hash correspond to the hostname/certname of t The Puppet Projects Workflow describes how to file tickets against Puppet projects. It does mean there are some deprecations to keep in mind, but they won’t actually go away until at least Puppet 6. hiera_hash will do a hash merge across your hierarchy in the first case. 0 does not ship as a rubygem and should be used from the Puppet module. Using hiera_hash for augeas changes in hiera puppet. You'll work through a real-world scenario and use interactive code boxes for hands-on practice writing and editing Puppet code and understanding core Puppet language concepts. But this validation doesn’t know that because it works with one file at a time. There is no example shown for hash merge. Hiera is the easiest way to store your variables for Puppet manifests. We love Puppet and all the technologies that make IT operations smarter. com/uphillian/lisa2014 Latest version CMDB ENC Hiera LDAP. More advanced examples include setups where any client C must recognize properties of the master, i. Choose from 450 different sets of puppet flashcards on Quizlet. %{fqdn}". or a hash How to build a Puppet repo using r10k with roles # ~/example. hiera_hash Uses a hash merge lookup example. With Puppet Every variable that puppet looks up in hiera will be searched via one or more backends (at the moment, two a yaml-based ones) according to what we configured in the hiera. The defined hierarchy determines how the keys’ values change according to the values of other variables. Puppet will not transparently bind your Hiera data to Resources, just Classes. Puppetmaster Start; Puppet Environments; Hiera. use of The second component of this specific example is a special Hiera variable called %{calling_module}. Puppet/hiera : generate sereval files from one template up vote 0 down vote favorite I'm running puppet 4 and I would like to generate several config files from the same template with different configurations for each one. I'm having simple custom made notify_me module imported into SAT6 with one single hiera call. 1, hiera-1. yaml file to ignore certain hierarchy levels. Introduction to Hiera - Puppet Camp Portland 2015 - Duration: 42:51. Bug #14509 hiera returns nil instead of empty hash if no parameters are set. I’ve recently found some more time to moved our data into yaml to be used by hiera (we might change some of this to JSON shortly). It shouldn't do this as the call to hiera_hash in hiera_resources specifies a default of an empty hash, but the bug causes hiera_hash to throw a "Could not find data item resources in any Hiera data file and no default supplied". YAML. com/llowder/Zwiebelschaler hiera_array hiera_hash hiera_include Puppet, Hiera and hashes Puppet is a rapidly evolving tool, since we started using it a couple of years ago the language and tools have improved hugely and so has the community around it. Learning Puppet and Hiera and I've run into a roadblock. 3 that in some very rare cases could cause a v5 hiera. saz / puppet-sudo. Puppet – What It is a place where a node specific key-value hash is What is Hiera; Puppet A regression was introduced in Hiera 5 which caused problems when the default merge was specified in a hiera. It’s built into Puppet 4. Manageable Puppet infrastructure ~April $smarthost = hiera('smarthost') Example Hieradata hiera_array('key' [, default_value]) (and hiera_hash) 3 0 4. . Facts and trusted facts are now available when testing Puppet functions. This has now been corrected. samba::shares: Here is an example of a Hiera hierarchy hiera_array and hiera_hash. 7 support Relying on automatic parameter lookup means writing code for Puppet 3 and later only. There is a difference in behavior between the two examples. Add user details as needed into common. So if a schema requires a key and that hiera data file doesn’t contain the key, validation fails. But apache:vhost isn't a Class, it is a defined type, and Puppet DataBinding only works on Classes. Puppet and Hiera Hashes So far so good. After reading the docs I am more and more confused. Hiera comes bundles with puppet enterprise, so you don’t have to install it separately but you might want to change its configuration to suit your needs. hiera_hash(key_to_be_searched, default_hash) returns the value of default_hash if key_to_be_searched isn't found in it's hierarchy. In Puppet and Hiera, In the Puppet language, you can access hash and array members with square brackets, For example, since the value of Hiera: Implementing a data_hash backend. pp Notice: # grep hiera_include $(puppet config print manifest) Look up the data via hiera() rather than hiera_array(), so that the hash is not needlessly wrapped in an array. The implicit hiera call from Automatic Parameter Lookup in your second call will only take the 'top' result (priority lookup) from the hierarchy. com Community examples: ilikejam/hiera-enc (github) Puppet is a configuration management tool that allows you to automate all your IT configurations, giving you control. This hash is passed to the Defined type. Home » Tutorials » Puppet » Puppet – Hiera lookup Behaviours. This only happened for hierarchy levels that interpolated a top-scope variable whose value was set after the _first_ Hiera lookup. This is desirable because once your Puppet manifests get moderately complex maintaining your settings as they evolve over time can be time consuming and difficult. (10 replies) I know I did this once before but can't find docs on how to do it again. Language: YAML: Source: GitHub --- :backends: yaml :yaml: :datadir: /var/lib/hiera :hierarchy: common :logger: console :backends: tells Hiera what kind of data sources it should process. It manages hostname configuration and has hiera hash lookups to generate the Here are some examples of usage via Hiera that data from a YAML file with puppet DSL, so I understand. raw download clone embed report print Puppet 0. The class keyword is a key Puppet building block. For example, we have a module to ( $log_indexer_conf = hiera_hash('log_indexer_conf'), ){ class Hiera parameter lookup, nesting variables and Puppet 3; hiera should support merging different keys from nested data structures in different areas of the hierarchy Added by Tim Mooney over 3 years ago. yaml file Hiera is Puppet's mechanism for separating your configuration data from your code. conf. Change your hiera code to look Note: We’ve released a major update to Hiera called Hiera 5. with use of data obtained via hiera. A hash of options that will build the configuration. 9 and later use Hiera 5, Complete example. 9 and higher, and includes features like per-environment hierarchies, module data, simplified custom ba Get value from hiera hash in Puppet. This post explores the Puppet topics of Classes, Roles and Profiles as well as how to utilise Puppet Template files. 0, Puppet will now do a Hiera lookup for the fully namespaced value of a class parameter. Better Puppet Modules Using Hiera Data. Please visit Puppet docs for full documentation on how to use Hiera. In this case, of course, Hiera will only be consulted for these configuration settings when the role::postgresql_puppetdb class is included, but nothing keeps you from putting that hiera_hash-create_resources combo in other roles, possibly a role::postgresql. From Puppet Labs website: Hiera is a key/value lookup tool for The third is hiera_hash. 54 KB Example 1: Example 2: $cron_job_multiple = hiera_hash ('cron::job:: Hiera is a great way for separating site-specific information (like credentials) from your Puppet modules without making a huge mess of your sites. Puppet in the Enterprise Thomas Uphill thomas@narrabilis. yaml config file; Puppet Both examples are functionally identical, except the first one only uses Hiera to get the password hash value, whereas the second one grabs both the attributes, and their values, for a specific resource. Goal Learning Puppet Manifests files with Examples Encryption in Puppet using hiera-eyaml - Simon Hildrew - Duration: 9:37. 0 is a complete refactor designed to work as a Hiera 5 backend, for users running Puppet 4. 0) I ran into a problem while defining user in hiera. Hiera allows hierarchical configuration in Puppet, which is difficult to achieve with native Puppet code. Another major advantage is the separation of configuration data from the code, which makes everything generally easier. x series of hiera-http is only compatible with Hiera 5, that ships with Puppet 4. com-inf/puppet mkdir hiera touch hiera/common. Now on steroids! Hiera Hash: $ hiera user hiera_include() Hiera config file /etc/puppetlabs/puppet/hiera. 3. Puppet 4 has a new lookup subsystem exposed to the user in a few places: This is hiera_hash() We believe in Open Source, DevOps culture and knowledge sharing. As of Puppet 3. On Friday, August 17, 2012 12:08:41 PM UTC-5, dkw wrote: Howdy: I need some help please to get hiera configuration data derived from YAML, thru puppet. ) hiera key for nested yaml hash. site:example. example42 / puppet-network. hiera() hiera_array() hiera_hash() create_resources() Files You’ll need to have the hash ref available. So we now have many small single-purpose modules in our puppet configuration, and the number is growing by the day. Puppet’s create_resources() function is a great way to cut down on unnecessary code in your manifests. Example { "apache-packages" : [ "apache2". Example Files https://github. 7) and hiera (0. 9 or higher. yaml file. For example, this is the hash for PS Anything that is a hash in YAML files can use the hiera_hash() Dan and Kyle discuss Hiera hash merging, using Puppet On Friday, August 17, 2012 12:08:41 PM UTC-5, dkw wrote: Howdy: I need some help please to get hiera configuration data derived from YAML, thru puppet. For example, when an application module Puppet::Parser::Functions newfunction(:prefix_keys, :type => :rvalue, :doc => -'ENDHEREDOC') do |args| Returns a new hash in which all keys are prefixed with the specified string. This does mean we can use our existing hiera 3 setup and worry about migrating it to hiera 5 later, too, which we will take advantage of. In that example for our infrastructure in a Hiera hash called Self-documenting Puppet modules with puppet certsvhost: # 'www. lan" cluster_ip: "%{hiera to look up sub-elements in an array or hash. The best way to workaround this and be able to use Hiera is to leverage the Function create_resources. Hiera is a key value lookup tool which holds all the data that has to be dynamically placed in a module. often in large if or case statements that ultimately resemble hiera data; As an example we’ll stick with Apache but this time a Using Hiera with Puppet is something I have struggled with a bit. 9:37. Learning Puppet Manifests files with Examples params. yml” A normal configuration file looks like the following. In the last year I didn't work with puppet but in some weeks I am starting a new longterm project they I'll start with state on the art. But you can't make it check if a hash (found in the hierarchy) contains (at least) all keys defined in default_hash. The roles and profiles pattern has been written about a number of times and is ALSO considered to be ‘a best practice’ when setting up your Puppet environment. In this puppet hiera tutorial you will learn the basics of hiera and how to use it in puppet modules. Learn puppet with free interactive flashcards. 9+ currently converts hiera hash elements into strings unconditiionally. "apache2-common". 9+ The following is an example Hiera 5 hiera. 54 KB Example 1: Example 2: $cron_job_multiple = hiera_hash ('cron::job:: Before Hiera, this was not possible. Get to know the best practices to make Puppet more reliable and increase its performance; In Detail. how to create array of arrays from hiera in puppet. If your data are structured appropriately for then you can get the needed hash directly or nearly directly from hiera. What are some example cases of when I should use hiera, hiera_array, and hiera_hash? Puppet 4. yaml $ hiera -d chrony::servers $ hiera -d chrony::servers environment=production $ hiera -d motd::content environment=production fqdn=puppet-c1 $ hiera -d motd::content environment=dev clientcert=puppet-c1 There are probably other tools for this, but puppet-strings is developed by Puppet and will likely be integrated into the Puppet Development Kit, so I have chosen it as my solution. or a hash Home » Tutorials » Puppet » Puppet – Retrieving different data types using Hiera. puppet hiera hash example