yaml file to make it more dynamic. We started out deploying the puppet master and a few example manifests, then took a right turn into the land of Git and workflows. Right now the default hash gets returned only if the key I search for is not found in the hierarchy, I want all keys defined in the default hash to be present in the returned hash. Copy SSH clone URL [email protected] I think hiera_hash is not what you want. You can safely remove hiera-puppet in the process of upgrading to Puppet 3. If you're just visiting, feel free to review the series to get caught up. Then you can instruct puppet to perform a hiera lookup using a number of functions: hiera; hiera_array; hiera_hash. You can use Bolt or Puppet Enterprise to automate tasks that you perform on your infrastructure on an as-needed basis, for example, when you troubleshoot a system, deploy an application, or stop and restart services. For Puppet to lookup class parameters in Hiera (which it does by default since 3. yaml file that will achieve this:. hiera_hash. Given a Hiera hash like: Puppet: create_resources(hiera. Hiera's configuration file path is different according to how it's invoked:. yaml config and the two yaml files in play: # cat /etc/hiera. yaml classes --merge deep --knock-out-prefix "--" --merge-hash-arrays --explain. You can store usernames, passwrod, DNS server details, ldap server details etc. By default, Hiera will look at the top-level keys of a hash and not merge the underlying settings. Try let(:hiera_data) do { :a => 'hello', :b => { :c => 'world' } } end Now hiera('b') should return a value that is a hash Hash - TDD a Hiera hash in Puppet. #92 – Advanced Puppet with the DPK This week on the podcast, Dan dives into some advanced Puppet configuration to use with the DPK. This means that you tell Hiera what piece of data you are interested in, and it will retrieve that data for you by looking through one or more yaml files. Any hash you define that is at the top level (e. yaml file, located in the root directory of the ntp module, uses the operating system fact to determine which class defaults to apply to the target system. node basenode { users = ['user1', 'user2'] } node server. Since this command needs access to your Hiera data, make sure to run it on a node that has a copy of that data. Therefore you should now find a new config file present on your system, which is called hiera. To supply Puppet with the correct data per node, Hiera is used. If the 'rpm_mon_base_pack' key appeared at multiple levels of your hierarchy, then the array returned by hiera_array() would contain the values from the other levels, too -- that's the main purpose of the funciton. 9 and later use Hiera 5, and its documentation is in the Puppet reference manual. When used in Puppet you'd expect Hiera to log using the Puppet infrastructure, this plugin includes a Puppet Logger plugin for Hiera that uses the normal Puppet logging methods for all logging. com" via user hosts1. However if there is certain data that you want to use in your manifests, but are stored in yaml files. • json Hiera backend is the source of truth for Puppet as to what sites should be running • could deploy to multiple servers by writing multiple json files one for each node • can deploy different versions of Perch - for example to allow someone to try out a beta • currently. Hiera hierarchy module for templating `hiera. This is how you would specify the datadir parameter of the class postgresql::server in the puppetlabs-postgresql module to point to an alternate data directory for Postgres:. It can be used to override all snmpd configuration for advanced deployments. Read the section below on how to use Hiera with Vagrant. DevOps Linux. iteration and repetition through hiera hashes in puppet 2016. For example, since the value of facts. hiera_hash - Returns a merged hash of matches from throughout the hierarchy. yaml file, located in the root directory of the ntp module, uses the operating system fact to determine which class defaults to apply to the target system. yaml staging. ) You cannot interpolate variables whose values are booleans, numbers not from Puppet, arrays, hashes, resource references, or an explicit undef value. You can store resources in Hiera, but those resources should be "data. Create the following YAML file:. Subject: [Puppet Users] Re: Hiera hashes and arrays in ERB templates Thanks for your suggestions guys. When you start out on a new module, create a metadata. It also comes with an arm rod to move the hands. But when your configuration grows, you start to notice some troubles. This is often useful for an advanced create_resources variable import as well as many other uses in an advanced Puppet environment. Puppet is a popular configuration management tool that plays particularly nicely with Conjur, allowing engineers the independence and freedom to control servers without compromising security or. Hiera hierarchy module for templating `hiera. Company-wide defaults 2. com Note: Known Bug With Puppet 3. Operating system specific changes 3. The example below illustrates a new Puppet user role named 'Jenkins' with the appropriate permissions deploy code, create an orchestration job, run agents, and query the Puppet DB. Learn More. Search for "apache" string from from puppet "--debug" output. 2 (puppet-agent 1. Getting Hiera Working 24 Jul 2012 · Filed in Explanation. ) You cannot interpolate variables whose values are booleans, numbers not from Puppet, arrays, hashes, resource references, or an explicit undef value. For example, this hiera. Join Private Q&A. Hiera is integrated into Puppet to provide dynamic lookup of configuration data for the manifest files. There was some code in our repo for that but it used only hiera array, don’t really know, so i had to write a very short class that can take a hash for the installed process. The Puppet Projects Workflow describes how to file tickets against Puppet projects. Modules now contain Bolt Tasks that take action outside of a desired state managed by Puppet. With Hiera, we can provide node-specific information to a Puppet module. This website uses cookies to ensure you get the best experience on our website. Appendix C - Node Classification: Roles & Profiles. As I mentioned in a previous post, the next iteration of my Puppet explorations involves the use of Hiera. This is a bug in Hiera, which will be fixed in a future release. This integration and new version provided much improved debugging capabilities. Expects every value in the hierarchy for a given key to be a hash, and merges the top-level keys in each hash into a single hash. Use iteration with each instead of create_resources() Here I have a longer form that also shows how to use defaults in a good way, adds checking that what you get from hiera is actually a hash. It is possible to use both strings and numbers (for arrays). If I had to guess the origin of the distaste, it would be because create_resources and inlined defined resource types was the only way to iterate prior to 3. It would return a hash as well without the (in this case unnecessary) merging functionality. Bob will also have access to host "host1. It has become the standard the facto to manage passwords, secrets and confidential data in Puppet. There was an excellent Linux Journal article covering this: "Using Hiera with Puppet" by Scott Lackey in the March 2015 issue. The data stored in Hiera can be retrieved by the Puppet Master while compiling the catalog using the Hiera functions. See Puppet coding for more general information about how, when, and where to use Puppet and Hiera on the Wikimedia cluster, and the upstream Hiera documentation for more general information about Hiera. Provided by: puppet_5. Then you have to configure hiera-eyaml. How do I get this hiera hash lookup to work properly? Is there an equivalent to node-config-yml inheritance / overriding in hiera Puppet? accessing hiera-hash with subkey using a fact. The feature is known as “dynamic environments”. Re: [Puppet Users] look up hiera hash's subkey within yaml Carthik Sharma. It provides a command line tool hiera that we can use to interrogate direclty the Hiera data and functions to be used inside Puppet manifests: hiera (), hiera_array (), hiera_hash (), hiera_include Hiera is installed by default with Puppet version 3 and is available as separated download on earlier version (Installation instructions). When you start out on a new module, create a metadata. It is an open-source configuration management software that automates the administration of a data center. If you're just visiting, feel free to review the series to get caught up. com" via user root. Hiera is important because it allows to assign values to the parameters of Puppet classes: a parameter called server of a class called ntp, for example, can be evaluated via a lookup of the Hiera key ntp::server, this is useful to cleanly separate our Puppet code, where we define the resources we want to apply to our nodes, from the data which. First, let's cover what a YAML hash is. Use lookup() function instead of hiera() (the hiera_xxx() family of functions are deprecated in hiera 5). You can safely remove hiera-puppet in the process of upgrading to Puppet 3. It's worth mentioning the fact that we should now be using the new lookup() function in our Puppet DSL to retrieve Hiera values. We aggregate information from all open source repositories. No longer updated, for reference only. hiera yaml: hash with long strings values (ssl cert / key). The following puppet module can be used to manage hiera with eyaml support. Hiera is able to read yaml files based on facts,. The in source docs show an example of doing this from in a manifest but not Hiera. epp --values '{x => 10, y => 20}' You can also render inline EPP by using the -e flag or piping EPP code to puppet epp render, and even simulate facts using YAML. In this puppet hiera tutorial you will learn the basics of hiera and how to use it in puppet modules. - puppetlabs/docs-archive. Note: Puppet 3 does not need the hiera-puppet package, and may refuse to install if it is present. If you followed the previous tutorial, then hiera should now be installed. This Learning Path will take you from the basics of Puppet to extending it and then mastering it. YAML is a simple way to describe the data. Like the other animal hand puppets listed above, the mouth of this bear can be moved via the access point located on the back. yaml is Puppet’s configuration directory (which is /etc/puppetlabs/puppet for Puppet Enterprise, or /etc/puppet for the open source version of Puppet), so open the file there, make your changes, and finally you’ll need to need to restart the Puppet master service to have the changes picked up. We will be using the popular jfryman/puppet-nginx and mayflower/puppet-php modules for that. There is a difference in behavior between the two examples. Todo The improvement with the most effect for now seems to be the introduction of a conventional (meta-) resource any other code fragment may access. It’s a side-effect of allowing global variables in Puppet’s configuration file, and was not intentionally implemented by the Puppet developers. $ puppet lookup --hiera_config $PWD/hiera. What I had to do: convert the data from hiera to data useful as parameters for create_resources e. If you wish to use the puppet. This website uses cookies to ensure you get the best experience on our website. $ hiera ntp_server -i balancer01. yaml nodes puppet. Read the section below on how to use Hiera with Vagrant. See the following pages for more info: Complete example - Hiera 3. Modules making use of simple string data that has been retrieved from Hiera. Right now the default hash gets returned only if the key I search for is not found in the hierarchy, I want all keys defined in the default hash to be present in the returned hash. pp still is used in modules today, but as of Puppet version 3, Hiera is not only the default, but also the first place checked for variable values. Puppet - Quick Guide - Puppet is a configuration management tool developed by Puppet Labs in order to automate infrastructure management and configuration. This integration and new version provided much improved debugging capabilities. DevOps Linux. 'default_values_hash' (hash) — A hash of lookup keys and default values. GitHub Gist: instantly share code, notes, and snippets. Qualified Key Lookup. We can install an application and start its eventual services with:. Use this lookup type only if the hash key has nested hashes. Modules now contain Bolt Tasks that take action outside of a desired state managed by Puppet. On the cost side, an indirection layer either provides a least-common-denominator feature set (notably, hiera's hiera_array(), hiera_hash(), and hiera_include() functions are not covered by the example), or else ties the indirection layer tightly enough to a particular data provider that switching providers is difficult or even impossible in. Change: $_tokens = hiera_hash('token_lookup', undef, 'hiera-file'). If set to unmanaged, the service will not be started at boot time and Puppet does not care whether the service is running or not. Hiera A key/value lookup tool. We love Hiera. You can use Bolt or Puppet Enterprise to automate tasks that you perform on your infrastructure on an as-needed basis, for example, when you troubleshoot a system, deploy an application, or stop and restart services. The Puppet Projects Workflow describes how to file tickets against Puppet projects. In our first example, we'll create some user. However, with the release of 4. Following example may help. Use lookup() function instead of hiera() (the hiera_xxx() family of functions are deprecated in hiera 5). Puppet doesn't know the value's type until it looks it up. Puppet rspec tests with Hiera data Editor's note: Please check out the much newer article Configuring Travis CI on a Puppet Module Repo for the new "best practices" around setting up rspec-puppet. I'm getting dict from hiera in puppet manifest and then trying to filter them and pass in a python script as args. Puppet 4 has some new functionality. 0 - a Ruby package on Puppet - Libraries. You can use Bolt or Puppet Enterprise to automate tasks that you perform on your infrastructure on an as-needed basis, for example, when you troubleshoot a system, deploy an application, or stop and restart services. Puppet Hiera Tutorial with Example Configuration Submitted by Sarath Pillai on Sat, 03/29/2014 - 20:56 When we first learn to program, most of the work we do are not reusable. From Puppet Labs website: Hiera is a key/value lookup tool for configuration data, built to set node-specific data without repeating yourself. Skip to content. Iterating in Puppet. (Numbers from Puppet are also passed as strings and can be used safely. Basic packages. Additionally, Hiera cannot interpolate an individual element of any array or hash, even if that element's value is a string. This means that secrets are fetched at catalog compile time, via a connection to Vault, and then the information is fed into Hiera in the normal workflows you would use with Puppet. puppet / hiera yaml and indentation gotcha. This is used in the hiera-puppet project to replace External Node Classifiers by creating a Hiera compatible include function. Hiera 5 and Puppet 4. Defunct module: Allow arbitrary definition of resources (classes and defined types) via hiera content while avoiding the hiera_hash/create_resources pattern. 4, most were fixed so we switched to that. For example, this is the hash for PS_HOME information:. You can use a qualified key to lookup a value that is contained inside a hash or array:. com and a dev. The class keyword is a key Puppet building block. Puppet's powerful create_resources() function makes it easy to define resources based purely on your Hiera data. Hashes still seem to have some kind of magic. 7, and everyone has bad memories of that which are then associated mentally with create_resources. Appendix C - Node Classification: Roles & Profiles. Puppet gives you control of what you do to each node, when you do it, and how you do it. Within hiera one can put different types of variables: - text - arrays - hashes Working with text and arrays is easy for most Puppet users. Clone via HTTPS Clone with Git or checkout with SVN using the repository’s web address. Hiera 5 and Puppet 4. Now, you can start to simplify the module by removing components and adding Hiera. yaml with a hierarchy like this. It is an open-source configuration management software that automates the administration of a data center. For example, We can organize our data in this. 7’s handling of hash iteration. Anything that is a hash in YAML files can use the hiera_hash() lookup function. Any way around, you certainly can build hashes in Puppet DSL, including with use of data obtained via hiera. 3 and earlier, inventory lookups will fail when Puppet 3. Skip to content. Red Hat Ambassador Infrastructure & Cloud. Additionally, Hiera cannot interpolate an individual element of any array or hash, even if that element’s value is a string. We'll use that to explore not just module creation itself, but some of Puppet's features, like Hiera. (More on this below. Iterating in Puppet. Feature #23144 Hiera should be able to return actual Puppet code, not just a bare string, array, or hash. This module allows hiera to look up entries in LDAP. Search for "apache" string from from puppet "--debug" output. Jcbollinger Yes, class parameter binding proceeds via hiera() in all cases. te file into a loadable SELinux module. The example below illustrates a new Puppet user role named 'Jenkins' with the appropriate permissions deploy code, create an orchestration job, run agents, and query the Puppet DB. system_uptime is a hash, you can access its hours key with facts. Following example may help. I have them in a hash of hashes, and pass that data structure to create_resources(). As for your manifests, you will mainly be using data available from facter and puppet built-in variables. However, with the release of 4. I'm getting dict from hiera in puppet manifest and then trying to filter them and pass in a python script as args. 0) I ran into a problem while defining user in hiera. yaml file that has incorporated Consul lookups:. For example: puppet epp render example. Removed #hiera_include('classes') from sites. com inherits basenode { users += ['user3'] # or simple exclude the line, if there were no additional users } With the new setup I've. ) Example signatures: Puppet language:. Another major advantage is the separation of configuration data from the code, which makes everything generally easier. Hiera within Puppet is a great thing, especially starting with puppet 3. dataloading2. Hashes still seem to have some kind of magic. Looking up data with Hiera - Open Source Puppet latest | Puppet. By default, Hiera will look at the top-level keys of a hash and not merge the underlying settings. Anyone who has been in IT long enough will have tales of chasing their tails because of incorrect or outdated docs, or even missing docs. On Fri, Oct 24, 2014 at 7:49 AM, Anthony Clark wrote: Hi All, Does anyone use example42-network with Hiera? I'm trying to find an example in Hiera that configures that module. Puppet rspec tests with Hiera data Editor's note: Please check out the much newer article Configuring Travis CI on a Puppet Module Repo for the new "best practices" around setting up rspec-puppet. Hashes still seem to have some kind of magic. I can only seem to find examples to compare with this being done in a manifest file, not in a yaml file. Hiera-eyaml is a backend for Hiera that provides per-value encryption of sensitive data within yaml files to be used by Puppet. Key/value pairs are set using the provided puppet. com/voxpupuli/puppet-hiera. I’ve built RPM’s of two rubygems, because I hate deploying software that’s not packaged. Integrating Jerakia with Puppet Introduction. No longer updated, for reference only. (More on this below. For example, this may be useful if a cluster management software is used to decide when to start the service plus assuring it. Moreover, you can encrypt the data. It can be used to override all snmpd configuration for advanced deployments. hierarchy - An. The namevar differs from the resource's title , which identifies a resource to Puppet 's compiler rather than to the target system. The first, fact-based element of the hierarchy is dynamic, and dependent upon the host that Puppet and Hiera control. lookup_options is a reserved key in Hiera. - puppetlabs/docs-archive. yaml env development. Assumption: we want ssh host keys in hiera to get added to a system. Multiple backends are queried. On the Puppet Master itself, it can access those values via a Hiera lookup, using a forge module by Craig Dunn. make a change in the file ntp. Chapter 3 - Using Hiera. Within hiera one can put different types of variables: - text - arrays - hashes Working with text and arrays is easy for most Puppet users. could you please help me. Modules now contain Bolt Tasks that take action outside of a desired state managed by Puppet. The module is as follows. DevOps Automation. See LICENSE file. DevOps Services. You can configure Hiera using a YAML file or by providing it Hash data in your code. "Designing Puppet: Roles/Profiles Pattern" by Craig Dunn of Puppet Labs, at Puppet Camp Stockholm 2013. I can only seem to find examples to compare with this being done in a manifest file, not in a yaml file. The first requirement is vCO itself, which is luckily free with vSphere Enterprise. 3) was that when trying to read a hash from hiera that contained a dot in the name. With my old setup I placed users that were on all servers in basenode. Within hiera one can put different types of variables: - text - arrays - hashes Working with text and arrays is easy for most Puppet users. Qualified Key Lookup. Puppet - Quick Guide - Puppet is a configuration management tool developed by Puppet Labs in order to automate infrastructure management and configuration. Create the following YAML file:. Each value is a hash with either a merge key, a convert_to key, or both. No longer updated, for reference only. yaml will automatically be referenced instead. The following keys are in a hiera. Chocolatey/Nuget/Hiera. But don't know how to do it. lets show you some of starters things that can make your tests easy and successful Set owner and permission for /etc/passwd file: file { “/etc/passwd”: owner => “root”, group => “wheel”, mode => 664, }. With Hiera, we can provide node-specific information to a Puppet module. Read the section below on how to use Hiera with Vagrant. Is it possible to use Hiera Knockout Rules for Hashes? how to merge hashes with chaining indexes? Hiera Deep Merge inside create_resources. Let's apply this technique to some Hiera data. $ hiera ntp_server -i balancer01. Hiera, the tool Puppet uses to read YAML files, has multiple ways to look up data. Following example may help. Puppet is a very powerful t. #92 – Advanced Puppet with the DPK This week on the podcast, Dan dives into some advanced Puppet configuration to use with the DPK. Tiny Puppet is a Puppet module we can use to manage virtually any application on any Operating System (here's the current Compatibility Matrix). Puppet's powerful create_resources() function makes it easy to define resources based purely on your Hiera data. If you're just visiting, feel free to review the series to get caught up. A hash is a key-value structure used in the DPK to store configuration. Bug #14509 hiera returns nil instead of empty hash if no parameters are set. Anyway, moving forward in this process, I stumbled upon the re-configuration of some Apache VirtualHosts with Hiera (using the puppetlabs-apache module). An example of a dynamic data source is the one that we gave in our hiera. • json Hiera backend is the source of truth for Puppet as to what sites should be running • could deploy to multiple servers by writing multiple json files one for each node • can deploy different versions of Perch - for example to allow someone to try out a beta • currently. With puppet 3, then we do not need to install anything to get hiera working. Create the hash separately and access it through a define type. If you want to understand what Puppet is "seeing", they added "puppet lookup" so you can see what puppet is doing. To get data from hiera to puppet manifests, we have to use 'hiera' function call. On Fri, Oct 24, 2014 at 7:49 AM, Anthony Clark wrote: Hi All, Does anyone use example42-network with Hiera? I'm trying to find an example in Hiera that configures that module. - example42/puppet-network. Hiera, the tool Puppet uses to read YAML files, has multiple ways to look up data. Bug #14509 hiera returns nil instead of empty hash if no parameters are set. ) notation to lookup a value within the data that is produced by they key. The example below illustrates a new Puppet user role named 'Jenkins' with the appropriate permissions deploy code, create an orchestration job, run agents, and query the Puppet DB. (i could be > wrong) > In later versions of puppet/hiera, it is possible to use dot (. creds_file. An archive of old documentation for Puppet, PE, and their related components. Here is the hiera. See Puppet coding for more general information about how, when, and where to use Puppet and Hiera on the Wikimedia cluster, and the upstream Hiera documentation for more general information about Hiera. This post explores the Puppet topics of Classes, Roles and Profiles as well as how to utilise Puppet Template files. This is probably why Hiera comes bundled with Puppet Enterprise. Learn more about Teams. This is just for creating the initial node. - [Instructor] Hiera is configured through YAML files,…which is a structured data format like XML or JSON. It is an open-source configuration management software that automates the administration of a data center. yaml environments development. In this course, Puppet 4: Hiera, the Single Source of Truth, you'll be refactoring the NTP module to make use of Hiera in replacement of some of the Puppet logic. Skip to content. There are 2 syntax styles that you can use to declare a class, include-like, and resource-like. Given a Hiera hash like: Puppet: create_resources(hiera. DevOps Linux. I am confused, however. One really powerful feature of Puppet is the ability to create an arbitrary ‘environment’ on the fly. yaml though. rb from install of. GitHub Gist: instantly share code, notes, and snippets. The Puppet Projects Workflow describes how to file tickets against Puppet projects. For the most part this is very easy as the module directly supports setting things up in Hiera. This website uses cookies to ensure you get the best experience on our website. Here we can place anything: declarations of resources we want on ALL the nodes, nodes statements (as in the example before), resources defaults, definition of top scope variables and so any valid Puppet code. On the Puppet Master itself, it can access those values via a Hiera lookup, using a forge module by Craig Dunn. If you wanted to make the ps_home: key support hash merging, you could replace hiera('ps_home with hiera_hash('ps_home. Automation is a prerequisite in modern IT, Puppet allows to manage infrastructure as code, improving safety, consistency, and productivity. It is an open-source configuration management software that automates the administration of a data center. Todo The improvement with the most effect for now seems to be the introduction of a conventional (meta-) resource any other code fragment may access. Hiera, the tool Puppet uses to read YAML files, has multiple ways to look up data. 3) was that when trying to read a hash from hiera that contained a dot in the name. On Fri, Oct 24, 2014 at 7:49 AM, Anthony Clark wrote: Hi All, Does anyone use example42-network with Hiera? I'm trying to find an example in Hiera that configures that module. Puppet's create_resources() function is a great way to cut down on unnecessary code in your manifests. First, let's cover what a YAML hash is. binary_path (string) - Path on the guest to Puppet's bin/ directory. For example, this is the hash for PS_HOME information:. The first requirement is vCO itself, which is luckily free with vSphere Enterprise. yaml file for osfamily ie: % {::osfamily}. The following puppet module can be used to manage hiera with eyaml support.