Puppet Hiera Lookup Example


Understand the lookup function and Hiera merge strategies. A quick remark on Puppet: over the last years, I saw many organizations afraid of the Continuous part of the CCA and having a stance that is. As for your manifests, you will mainly be using data available from facter and puppet built-in variables. 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. Here are useful interview questions that will help you with preparation. 2 graph and cycles. RSpec tests for your Puppet manifests & modules. Specific data are excluded from Puppet-HPC, being kept, versioned and maintained in a separate internal repository. yaml file that has incorporated Consul lookups: If you want to see how this looks during a lookup, you can use a 'puppet lookup -explain'. The hiera() function on the manifest fails the compilation if. This seems wrong, and coupled, and flakey, which is why it's listed as a bad practice on the puppetlabs documentation. A real environment data layer means changes to your hierarchy are now routine and testable, using multiple backends in your hierarchy is easier and you can make a custom backend. 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 replacement for hiera functions is called Lookup. I am setting up my Puppet code using Hiera such that if a value is not found in Hiera, it assigns a default value to it. Commit Score: This score is calculated by counting number of weeks with non-zero commits in the last 1 year period. Then came along the External Data lookup via CSV files as a Puppet function. Puppet Enterprise, comprises a commercially supported version of its open-source configuration management tool, Puppet. You have chosen the more secure path of using %{::clientcert} instead of %{::fqdn}, which is commendable. Company-wide defaults 2. In case of problems, we also looked at some common Hiera errors, and we've discussed rules of thumb about when to put data into Hiera. Tuesday, February 26, 13 Hiera lets you express data in some structured format (which is pluggable). Setting up Hiera on Puppet Server It's been a while due to, well, life. As seen in the example below, I've stivesso. Execute um comando de ping para o Google. In previous versions you need to extract the whole hash into a manifests and then extract the data from there. lookup_key: This option must be set to hiera_vault. Modules can contain Bolt Tasks that take action outside of a desired state managed by Puppet. The hiera() function on the manifest fails the compilation if. x, and we'll definitely take advantage of it. The puppet file uses a hiera lookup for the content, which was defined earlier in the template as multipath_config. com -e "notice(hiera('classes'))" ["ntp", "apache", "postfix"] Note: The hiera_include function will do an array merge lookup, which can let more specific data sources add to common sources instead of replacing. Now asks hiera for classes to include. A quick remark on Puppet: over the last years, I saw many organizations afraid of the Continuous part of the CCA and having a stance that is. 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. Explicit Hiera lookup Testing Hiera PuppetDB What is PuppetDB? What is stored in PuppetDB? How is PuppetDB accessed? Example queries Dashboards PuppetDBquery module Troubleshooting Troubleshooting Puppet classes and Modules Troubleshooting Puppet Installations Puppet Best Practices Using Modules Version Control Naming Conventions. Then it tells Puppet to first look for a file with the name of the client host (from the hostname fact) with. lookup_key entry is mandatory with the value eyaml_lookup_key for ensuring the functionality of hiera-eyaml gem. The idea began with Puppet's Hiera and the basic idea of hierarchical lookups is now standard. "C:\Program Files\Puppet Labs\Puppet\bin\puppet" apply C:\ProgramData\PuppetLabs\code\environments\production\manifests\site. (Later this can be expanded with use of the future parser). :-) whatever you put in for the first argument is the key that will be looked up via hiera verbatim. 3 so some paths on the master are slightly different. Hiera supports JSON , YAML and EYAML files. The deprecation should state that the lookup function should be used instead with a suitable example per hiera function, or offer a link to documentation/ticket (Nicholas Fagerlund what is the recommended way of doing this now - still the google links?). More to know Vagrantfile – Puppet Master This is the first of more posts explainig how to set up a fully functional Master – Agent Architecture with puppet and vagrant. This works fine in Hiera 3 and Puppet 4. Code that serves many needs must be configurable: put site-specific information in external configuration data files, rather than in the code itself. Puppet performs a Hiera lookup in the style of (CLASS NAME)::(PARAMETER NAME). Modules can contain Bolt Tasks that take action outside of a desired state managed by Puppet. First attempt: vi hieratest. 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. Use of rich_data is the standard in Puppet 6. I can print out the YAML from variables, arrays, and, finally, hashes too from a puppet manifest. Some organizations have developed teams that work in different rulesets. With Hiera, we can provide node-specific information to a Puppet module. Hiera is a key value lookup tool which holds all the data that has to be dynamically placed in a module. What I want to do is to make Puppet download and install Jenkins and all the necessary packages to do the job, set. yaml config file. You need to define them inside the class. This code was tested on CentOS 7. It searches your Hiera data and returns a value for the requested lookup key, so you can test and explore your data. Server01's puppet_role has a corresponding hiera file, so it will receive role::webserver. Sign up now to get free lifetime access! The default behaviour of hiera when it performs a lookup is to stop searching as soon as at […]. Anyway, moving forward in this process, I stumbled upon the re-configuration of some Apache VirtualHosts with Hiera (using the puppetlabs-apache module). 17 in beta: operations/puppet : production: hiera: upgrade prometheus-node-exporter to 0. The following mandatory Hiera 5 options must be set for each level of the hierarchy. Go from no Puppet experience to writing your own Puppet modules in this quick start! We take beginners and those who have never learned Puppet before and jump right in by setting up a Puppet Server and agent node and creating an nginx module. The new way of managing hiera (via puppet server) is to contain hiera within each environment and module. In this puppet hiera tutorial you will learn the basics of hiera and how to use it in puppet modules. Hiera is included as part of puppet 3. There is also a plugin for the puppet command line utility, puppet lookup. Furthermore, rather than :datadir, the puppet backend has a :datasource option (see the docs). Setup Configuration. Jerakia searches for the lookup key port, in the namespace apache and therefore will look for the key in apache. You can define sources (and keys, settings and ppas) from hiera, but only your most specific definition will be used by the module, as only the default priority lookup is done. 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. This configuration assumes you are using Jeraia as a global-layer Hiera backend - it could equally be configured at an. Metadata about the module for puppet tools to use. Puppet uses Hiera to do two things: Store the configuration data in key-value pairs. Hiera aims to solve this by acting as a centralised database where Puppet can instead look up and retrieve your configuration settings. Environment has own Hiera version 4 config. Qualified keys are composed of a top-level lookup key along with any number of additional subkeys, separated by dots. x) In Puppet 4. As an example, imagine the following: 2 boxes having 2 different roles, roleA and roleB. Environment has own Hiera version 4 config. On these backend servers we need to configure them to access certificate information passed in SSL certificates headers. See The offical Puppet Documentation for detailed information on configuring Hiera 5. Hiera is a pluggable hierarchical data storage for Puppet. I need to try putting puppet in the default locations and try that at some point. 'the data is %{lookup(a_key)}' Hiera would not have to parse and handle all expressions, just the call to the lookup function. This works fine in Hiera 3 and Puppet 4. Next step is to link hiera’s directory to puppet master’s modulepath. This is internal and not settable by the user. I am setting up my Puppet code using Hiera such that if a value is not found in Hiera, it assigns a default value to it. So, our hiera data are located in /etc/puppet/hiera and have following folder structure and lookup order:. PUPPET-LOOKUP(8) Puppet manual PUPPET-LOOKUP(8) NAME puppet-lookup - Interactive Hiera lookup SYNOPSIS Does Hiera lookups from the command line. I am not getting the desired results and wanted to know how others did it : lookup( , [], [], [] ). Furthermore, rather than :datadir, the puppet backend has a :datasource option (see the docs). Qualified keys, which return just the specified part of a value. It is also color coded, and and will indicate which values are unable to be resolved with hiera_hash(). Master Puppet and overcome issues faced in larger deployments, with these practical tutorials that shows real-world examples of Puppet in action. Puppet has for some time had the experimental option --rich_data which when turned on uses a fully JSON standard representation of data that cannot be expressed natively in a textual format like JSON or YAML. Declaring this in Hiera is the same as if you did:. Hiera is a method of defining configuration values that. conf” fileand adding line. Regards, El 16/04/2014 18:31, "Sans" < [email protected] > escribió: -- You received this message because you. add Certbot. The role (which I remind that, in the proposed scheme, is practically a collection of profiles), instructs hiera where to look up its data. Operating system specific changes. Go from beginner to confident Puppet user with a series of clear, practical examples to help you manage every aspect of your server setup. If you use the above directory structure, your examples will automatically be placed in the correct groups and have access to the custom matchers. 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. defaults - A hash, which can set a default datadir, backend, and options for hierarchy levels. You can change the location by changing the hiera_config setting in puppet. It then sets the permissions and other attributes. OPTIONS Note that any setting that's valid in the configuration file is also a valid long argument. hiera groovy script invocation: puppet. Admittedly, it has a bit of a spaghetti feel to it, but. I'm pretty happy with it. Helm Upgrade Override Values. On these backend servers we need to configure them to access certificate information passed in SSL certificates headers. Puppet 3 ships with Hiera by default so that’s a good start… Using Hiera For the first example I’ll be showing in this post, I’ll be using the following simplistic files and configuration:. Using Hiera with more complex data structures allows us to radically simplify our Puppet manifests. 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. Howdy: I need some help please to get hiera configuration data derived from YAML, thru puppet. Automatic Parameter Lookup now directly uses lookup instead of the older hiera functions. • One ami for every role. Quick puppet hands-on Puppet is an open source remote configuration management tool, used by Wikimedia Foundation, Twitter, and Google among others. Some organizations have developed teams that work in different rulesets. If you use the above directory structure, your examples will automatically be placed in the correct groups and have access to the custom matchers. The Hiera namespace on wikitech has been introduced to offer self service for non ops or save ones the trouble of crafting a puppet patch and cherry picking it on a standalone puppet master. I found that my hiera data definitely needed to be properly quoted when I started using puppet server, so entries like mode : 644 in a file hash wouldn’t give the. Top-level lookup keys, which return the entire value of the key. Hiera uses a customizable hierarchy to lookup the data. 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). For example, We can organize our data in this way: 1. This leads us to bullet 3, which is "the Hiera + create_resources() solution. I have recently upgraded from puppet 2. So, if you want to define settings for the tldr_hiera module, you ensure that all of your values are set up within that appropriate namespace. hiera lookup failure. Reductive Labs just announced Puppet training dates for London: Puppet Training London: March 29 - April 2. Code that serves many needs must be configurable: put site-specific information in external configuration data files, rather than in the code itself. Since I have multiple datacenters, I want to point linux clients to the closest DNS server. Hiera 1: Overview Hiera is a key/value lookup tool for configuration data, built to make Puppet better and let you set node-specific data without repeating yourself. For example in a class definition like: class openssh ( template. If you use the above directory structure, your examples will automatically be placed in the correct groups and have access to the custom matchers. Hiera usually relies on a node´s facts to locate the relevant data sources. It is also used to separate data from the recipes. As for your manifests, you will mainly be using data available from facter and puppet built-in variables. Take my hiera. Puppet standalone and hiera. Operating system specific changes. to work around this — basically your hiera hierarchy can actually utilize puppet variables just like it can facts, and you can use that to look up a practical include set IN hiera, to look up other hiera settings. Puppet classes can optionally include parameters in their definition. test: - [a,b,c,d] - [e,f,g,h] and at common. Introduction. We've seen how our example Puppet infrastructure is configured to use Hiera data, and demonstrated the process by looking up a data value in a Puppet manifest. Puppet is a configuration management tool. On the client you then need to define the puppet server as localhost in /etc/hosts, then puppet agent --test --server puppetserver as usual. 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. Hiera or Dashboard as an ENC? Is it possible to use Hiera Knockout Rules for Hashes? How to get an array index in erb template. yaml file, which as part of the deployment process is synced to all hosts during the os-apply-config. Blog of Artem Sidorenko. Metadata about the module for puppet tools to use. Puppet - The hiera. Therefore when adding a new THT service, and corresponding puppet-tripleo change with Apex, you will more than likely need to either update an existing puppet- repo, or create a new puppet- repo to do configuration of. The Puppet data backend (hiera) allows you set data for site specific differences in your infrastructure. If no value is found in the product specific YAML configuration, the lookup will be defaulted to the wso2/common level. Try testing puppet lookup command from the master, and see if the explain output gives you better debugging information for looking up those keys. Additionally, Hiera cannot interpolate an individual element of any array or hash, even if that element’s value is a string. • One ami for every role. Puppet and nested hashes in hiera; Puppet: setting up hiera configuration in Vagrant; Puppet: create files from Array; Unable to find interpreter named WebLogic 10. yaml, when using file based backends, we can define hierarchies using 2 similar keys: path. Join 188 other followers. Chocolatey/Nuget/Hiera. Specific data are excluded from Puppet-HPC, being kept, versioned and maintained in a separate internal repository. Puppet classes can look for data in hiera and hiera would search hierarchically and provide the first instance of value. Since I have multiple datacenters, I want to point linux clients to the closest DNS server. [[email protected] puppet]# In this example we chose the lookup key to be "classes", which is best practice, but not mandatory and can be changed to something else. Step 1: Downloading Apache Package. These are available within the manifests node-defintion. For example, after moving away from our decentralised model, we lost some of the privileged instance side information we could access, like the presence of files etc, as the Puppet catalog is now generated on the PuppetMaster. Puppet not pulling Hiera value. operations/puppet : production: hiera: install node exporter 0. Puppet classes can look for data in hiera and hiera would search hierarchically and provide the first instance of value. I don’t rely on ‘Automatic Parameter Lookup’ in Puppet 3. yaml config file. In a Puppet environment using a Hiera data backend, a mount point may be declared as such:---agent: - nimblestorage::init - nimblestorage::chap. yaml will automatically be referenced instead. Using hiera with puppet, a complete tutorial with example configuration to separate site specific data from puppet manifests using hierarchial lookup. Configuring Hiera on Puppet Enterprise. In Puppet manifests, you can use the lookup() function to query Hiera for the specified key (you can think of Hiera as a key-value database, where the keys are strings, and values can be any type). In this guide, we use Puppet to manage an installation of MySQL, a popular relational database used for applications such as WordPress, Ruby on Rails, and others. Dan and Kyle discuss Hiera hash merging, using Puppet environments, and using the ACM with the DPK. Templating. I have recently upgraded from puppet 2. See Gathering Information About a System by Using Facter and Facter documentation on the Puppet web site. Configuration management is the detailed recording and updating of information that describes an enterprise's hardware and software. Explicit Hiera lookup Testing Hiera PuppetDB What is PuppetDB? What is stored in PuppetDB? How is PuppetDB accessed? Example queries Dashboards PuppetDBquery module Troubleshooting Troubleshooting Puppet classes and Modules Troubleshooting Puppet Installations Puppet Best Practices Using Modules Version Control Naming Conventions. Company-wide defaults 2. com find submissions from "example. Hiera is installed by Paramter Lookup. That is something that the hiera puppet function could take care of though. There are several ways to look up config data using Hiera: the hiera function, as we saw in the example, simply returns the first match found in the hierarchy for the specified key. It assumes you are already running a Puppet server and you are using r10k with roles and profiles. An interesting example but I can’t see any of the benefits that you where talking about in your problem with params. Template harness. yaml file set up and I find this fits all of my needs. Here's some quick tips on how you can use it. Puppet – Assigning a class to a node using Hiera Once you have moved all your class parameter definitions out of site. A Puppet 6 agent will request the catalog in rich data format from the master. See an example of deep merging of hash data in Hiera. Hiera is used to look up data. Hiera uses a customizable hierarchy to lookup the data. Lets say at environment level I have a declaration. Authorized keys sound a lot more like data than code to me. By exposing a class parameter to your profile, you allow for the data to be entered into Hiera without needing an explicit lookup in the profile. yaml configuration. Hiera is included as part of puppet 3. Hiera allows hierarchical configuration in Puppet, which is difficult to achieve with native Puppet code. OUtside of that, hiera doesn’t get used by puppet. In this guide, we use Puppet to manage an installation of MySQL, a popular relational database used for applications such as WordPress, Ruby on Rails, and others. Hiera是一个强大的puppet外部节点分类器(ENC),利用这个套件,可以大大减少部署中的重复配置。更加灵活高效的配置和管理变量,类,节点配置。. 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. Hiera is an external data lookup system that supports hierarchical data overrides. Enter your email address to follow this blog and receive notifications of new posts by email. Anyway, moving forward in this process, I stumbled upon the re-configuration of some Apache VirtualHosts with Hiera (using the puppetlabs-apache module). The module puppetlabs/kubernetes has Kubetool, which is a configuration tool that auto-generates the Hiera security parameters, the discovery token hash, and other configurations for your Kubernetes cluster. 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. 0, but if you’re running puppet 2. ee The official Puppet documentation for more details on configuring Hiera 5. (Later this can be expanded with use of the future parser). When a Puppet agent connects to a Puppet master, the communication is authenticated with SSL certificates. Hiera supports JSON , YAML and EYAML files. yaml my::cool::app::role puppet_role=some_cool_role This is how I have my /etc/hiera. Puppet in the Enterprise Automatic Parameter lookup requires puppet 3+ Hierarchy where the node lives Lookup 'lookupkey' in hiera. In this tutorial we’ll carry on looking at hiera as a standalone tool, and still ignore Puppet. However, if you are in a sizable team it helps to encrypt and decrypt data with multiple keys. Thanks to puppet resource you can do just that. Specific data are excluded from Puppet-HPC, being kept, versioned and maintained in a separate internal repository. myclass::parameter_one in the example above. Also notice the hiera lookup syntax we used inside the erb file. indirection. Each class and definition introduces a new scope, and there is also a top scope for everything defined outside of those structures. Puppet classes can optionally include parameters in their definition. 19 - a Puppet package on Puppet - Libraries. Join 188 other followers. This document serves as a guide to enable and use TPM devices in SIMP. We have already talked about it in a previous blog post and now we are going to explore new elements which may be quite interesting and useful in some use cases: globs and mapped paths. # puppet apply -e 'include hiera_test' Error: Could not run: (): found character that cannot start any token while scanning for the next token at line 2 column 22 There is no indication that the failure occurred in the Hiera data. Hiera is a pluggable hierarchical data storage for Puppet. Admittedly, it has a bit of a spaghetti feel to it, but. So, if you want to define settings for the tldr_hiera module, you ensure that all of your values are set up within that appropriate namespace. Quick puppet hands-on Puppet is an open source remote configuration management tool, used by Wikimedia Foundation, Twitter, and Google among others. It is a modern replacement for the ´hiera´ command. TODO: remove override attribute/add apache rewrite rules. First, we had to be able to fetch tags from EC2. The hiera() function on the manifest fails the compilation if. Here are several links to articles and stuff about hiera:. First, let's cover what a YAML hash is. Puppet has for some time had the experimental option --rich_data which when turned on uses a fully JSON standard representation of data that cannot be expressed natively in a textual format like JSON or YAML. But in large files repeating the lookup or hiera commands in your files becomes very noisy. This does not work with [the way I use] puppet standalone because of the way you have to reference the hiera configuration. Depending on the kind of search (string, array or hash), hiera will search hierarchically within the sources and either stop at the first occurrence of the variable, or. In a Puppet environment using a Hiera data backend, a mount point may be declared as such:---agent: - nimblestorage::init - nimblestorage::chap. It literally takes seconds to start a Docker container with pseudo-distributed Hadoop cluster. In Puppet, Hiera is a key-value lookup tool for configuration data. Hiera will find the contents of this lookup inside the common. The lookup_options data structure is a way of defining the behaviour of hiera within hiera. Connect helps out. Whenever a Hiera lookup is triggered from Puppet, Hiera receives a copy of all of the variables currently available to Puppet, including both top scope and local variables. msi /qn PUPPET_MASTER_SERVER=puppetserver. This should also function for environment and module hierarchies. There are also other alternatives. com > /tmp/ping. The following code shows some examples of this (lookup2. String value - The value of the key to be returned to Hiera's lookup call. Because puppet does not use symbols there are minor annoyances when converting back and forth and merge data together. Operating system specific changes. ) Deploy Overview u Ansible has broad network support u Fairly easy to configure using plays to deploy configuration u Take snapshot (depending on Network OS support) u Deploy config (SSH, API) u Save changes u Rollback on failure u Can use orchestration tools to handle deploying to multiple devices based on events. We want to expose EC2 tags as facts so we can use them later with Puppet to place our instance in the right spot inside Hiera. The cluster description it contains should follow certain rules though. We can place keys in hiera and apply them as necessary according to our hierarchy (note: review hiera lookup methods to ensure. yaml file that has incorporated Consul lookups: If you want to see how this looks during a lookup, you can use a 'puppet lookup -explain'. If you wish to use the puppet. When you install and configure Satellite for the first time using satellite-installer, you can specify that the DNS and DHCP configuration files are not to be managed by Puppet using the installer flags --foreman-proxy-dns-managed=false and --foreman-proxy-dhcp-managed=false. Another major advantage is the separation of configuration data from the code, which makes everything generally easier. Using Hiera with more complex data structures allows us to radically simplify our Puppet manifests. The global options should work with the global hierarchy. For example, if the value is found in the YAML configuration for the default profile of the WSO2 API Manager, then that value is returned. RBAC and Governance become a much more notable issue at large organizations. Hiera can help by keeping data out of puppet manifests. See below for the hiera. In Puppet 6, the Hiera replacement lookup allows you access values by defining the key with dot notation. Pay attention at the back. You can also use the hiera function in your puppet code so it makes that "automatic" lookup easier to understand since you control the lookup key. With Hiera it is possible to write Puppet code, where the value for a variable will be searched in Hiera database and if it is found there our Puppet class will use that. I have recently upgraded from puppet 2. 10, including all versions of Puppet 5, we recommend using Hiera version 5 and configuring SCE in an environment layer hiera. Executable with one parameter (fqdn) Flexible – you design how the information lookup is done (query a database, parse a hostname or other Facter fact, etc). operations/puppet : production: hiera: install node exporter 0. 'classes' entries are defined only in environment, but not in global config. Company-wide defaults 2. 17 in esams: operations/puppet : production: hiera: upgrade prometheus-node-exporter to 0. , "default text" in the example above. The release of Hiera 5, shipped with Puppet 4. I am mostly using CentOS with Puppet 3. Below are few usable to fine ways utilizing separate data sources within your manifests, Here, we will see usage styles of data for Puppet Manifests, Extlookup CSV, Hiera, Plug-in Facts and PuppetDB. yaml version 3 5 ( supports 3 and 4) explicit lookup hiera() hiera_array() hiera_hash() lookup() backend API complicated simple using function API APL options no lookup_options in data, explicit and APL the same! explain support no --explain advanced paths no globs, mapped paths deprecated 12. Answer # Hiera is a key/value lookup used for separating data from Puppet code. This tool helps separating site-specific or cluster-specific data from Puppet code. Apologize for formatting, I'm new to this. I installed dsc module and added AD user to Domain controller using puppet. Boxen is a tool that enables not just automated installation of software, but also configuration of our desktops. Although, I don't recommend this since automated lookups are preferred as two lookups. puppet lookup --node agent. For example, let's say you have created a new data-source file called NewData1. Learning Puppet Manifests files with Examples, Puppet Tutorials for Beginners, Puppet Tutorials, beginners puppet tutorials, puppet manifest tutorial, puppet manifest, learning puppet manifests. Puppet classes can request whatever data they need, and your Hiera data will act like a site-wide config file. Modules can contain Bolt Tasks that take action outside of a desired state managed by Puppet. 4 Beta with Puppet 5. For example, We can organize our data in this way: 1. x hiera docs linked above refer to hiera_include which is deprecated. Every one of these components is (technically) optional. The default value set in the class definition. yaml my::cool::app::role puppet_role=some_cool_role This is how I have my /etc/hiera. Minicurso Puppet para iniciantes. Puppet 4 has own implementation of lookup() which goes through: Global Hiera; Per-environment Data Providers (Hiera, custom function) Per-module Data Providers (Hiera, custom function) You should not use global Hiera any more. Hi Potatofloss, Here's the pattern I usually use First, I'd advise you to use the account forge module, rather than creating users directly. You will also learn how to configure the new Code Manager component, and how to ensure code is automatically deployed to (multiple) Puppet servers. Enabling noop mode on some clients, the most important ones, or the whole production ones, allows us to implement some sophisticated and safe workflows for the testing and the deployment of the Puppet code and data that manage our nodes. This leads us to bullet 3, which is "the Hiera + create_resources() solution. Puppet Enterprise stack and features; Model based approach; Composable configurations; Lifecycle of a puppet run; Puppet component roles (master / agent) Master / agent architecture; Puppet Components. 5 W OSB strange blocked threads while hammering a serv sudo Runas_list (sudo by example) sudoers file syntax (sudo by example) Puppet 3. Puppet Hiera Tutorial. yaml file, which as part of the deployment process is synced to all hosts during the os-apply-config. hiera lookup not working? Restrict hiera (version 5) lookup at environment and module layers. However, hiera functions have been deprecated since at least version 4. Puppet standalone and hiera. Hiera is nothing, but a key value look up tool, which can be ordered and organized nicely without meddling with the actual code. add a comment | 1 Answer active oldest votes. 2 graph and cycles. Hiera is integrated into Puppet to provide dynamic lookup of configuration data for the manifest files. The puppet apt module from puppetlabs works great, but has one big issue. Dylan Cochran, Onyx Point X [ Debugging hiera v5 is accomplished with the ‘puppet lookup’ command. See Gathering Information About a System by Using Facter and Facter documentation on the Puppet web site. ModuleSync: Keep a set of modules synced to a common base template. The Lookup Configuration at hiera. The old hiera() function is not aware of this - it's a lookup() feature but with this in place we'll hopefully never see hiera*() functions being used in Puppet 4 modules. You need to define them inside the class. You can also use the hiera function in your puppet code so it makes that "automatic" lookup easier to understand since you control the lookup key. Then with enhancements in puppet and other modules came along more. Second, the problem here is the way erb templates print arrays, so just a matter of format. Puppet IT automation software uses Puppet’s declarative language to manage various stages of the IT infrastructure lifecycle, including the provisioning, patching, configuration, and management of operating system and. Environment has own Hiera version 4 config. Introduction. a fact roles holds a comma-separated list of roles to use in hiera. 2 CPU: 1 Cores: 1 Memory: 1024M Disk: /dev/vda 12G Server Install. This book is designed for users who already have good experience with Puppet, and will surprise experienced users with innovative topics that explore how to design, implement, adapt, and deploy a Puppet architecture. When you install and configure Satellite for the first time using satellite-installer, you can specify that the DNS and DHCP configuration files are not to be managed by Puppet using the installer flags --foreman-proxy-dns-managed=false and --foreman-proxy-dhcp-managed=false. PUPPET-LOOKUP(8) Puppet manual PUPPET-LOOKUP(8) NAME puppet-lookup - Interactive Hiera lookup SYNOPSIS Does Hiera lookups from the command line. If no value is found in the product specific YAML configuration, the lookup will be defaulted to the wso2/common level. pp file in that code. Although Hiera is able to provide data separation, it cannot ensure security of sensitive information. Puppet module for Yum - 4. WSO2 Puppet Modules Hiera contains a platform level in the lookup hierarchy. This works fine in Hiera 3 and Puppet 4. Pay attention at the back. I'm relatively new to puppet but I used hiera_hash to lookup what I would consider a "hash" in yaml. Puppet uses Hiera to do two things: Store the configuration data in key-value pairs. Operating system specific changes. The values for environments and env are not part of PAL as they expose classes in Puppet that may or may not be strictly specified as API. Puppet is the most popular software configuration tool that forms part of any interview starting from fresher, middle level to experienced IT professionals owing to migration to Devops culture. By default, puppet only submits a hiera query when it is trying to find a value for a class parameter. The Hiera namespace on wikitech has been introduced to offer self service for non ops or save ones the trouble of crafting a puppet patch and cherry picking it on a standalone puppet master. Puppet Essentials. There is another pattern that is documented indirectly by Gary (under Hiera data bindings in Puppet 3. When Puppet Templates are added, it is possible to bind a template string containing puppet logic, and evaluating that. A talk from Craig Dunn and Jan Ivan Beddari looking at data lookup patterns in configuration management in exploring Jerakia, an open source hierarchical data …. However, it appears that using the knockout_prefix on a key name simply prepends the prefix to the key name in the output, rather than removing the key. This has been possible to do in Puppet for quite some time, using Hiera and automatic parameter lookup. You can’t really use hiera/lookup there in any sane way. If all goes smooth, certificate request file should be seen in C:\ProgramData\PuppetLabs\puppet\etc\ssl\certificate_requests. This is now a part of Puppet APL and comes in as module scoped data/variables; hiera. Each class and definition introduces a new scope, and there is also a top scope for everything defined outside of those structures. • ility to roll out a new package or manage a service with one hiera entry Puppet’s uiltin key/value data lookup system enales separate site-speciic coniguration data rom code itsel to promote reuse). The template will perform all the conversions to symbols in order for hiera to be happy. yaml configuration. We can load and check Puppet specific facts with facter: # facter -p. modules/puppetmaster/files/production. On the client you then need to define the puppet server as localhost in /etc/hosts, then puppet agent --test --server puppetserver as usual. Get this from a library! Extending Puppet : design, manage, and deploy your puppet architecture with the help of real-world scenarios. The returned value can be data of any type (strings, arrays, or. 2016-12-22 21:40:30,601 Running command: echo '[puppet_enterprise]' > /etc/yum. When looking up a key, Hiera searches up to four hierarchy layers of data, in the following order:. I am setting up my Puppet code using Hiera such that if a value is not found in Hiera, it assigns a default value to it. You can change the fact values used in this demo to affect how keys are resolved. The new release of Hiera 5, introduced late in the Puppet 4. The replacement for hiera functions is called Lookup. 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. d/puppet_enterprise. With this the user defines the state of the machine. Automatic Parameter Lookup now directly uses lookup instead of the older hiera functions. The expected behaviour was that either using puppet lookup or using a notify statement, key1 and key3 would not be included in the returned data, and key2 would return an empty, undefined value. Config file syntax: The hiera. We'll use that to explore not just module creation itself, but some of Puppet's features, like Hiera. 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. Hiera allows hierarchical configuration in Puppet, which is difficult to achieve with native Puppet code. Hiera is integrated into Puppet to provide dynamic lookup of configuration data for the manifest files. Hiera is a cross-platform, key/value lookup tool that you use to manage configuration data. Join 188 other followers. ) You cannot interpolate variables whose values are booleans, numbers not from Puppet, arrays, hashes, resource references, or an explicit undef value. Code VS Data #PuppetCamp Tuesday, May 21, 13 As you get further along with your Puppet Deployments, separating your code (puppet resources) from the data (what package, what version) becomes increasingly important. If you use the above directory structure, your examples will automatically be placed in the correct groups and have access to the custom matchers. Puppet IT automation software uses Puppet’s declarative language to manage various stages of the IT infrastructure lifecycle, including the provisioning, patching, configuration, and management of operating system and. Howdy: I need some help please to get hiera configuration data derived from YAML, thru puppet. - John Bollinger Jan 26 at 19:23. Hiera is a method of defining configuration values that. PUPPET-LOOKUP(8) Puppet manual PUPPET-LOOKUP(8) NAME puppet-lookup - Interactive Hiera lookup SYNOPSIS Does Hiera lookups from the command line. I used the word "assign", in other parts I might use the word "include", more precisely is the method used to decide what classes, with the contained resources, have to be added to the. The following is an example Hiera 5 hiera. There is another pattern that is documented indirectly by Gary (under Hiera data bindings in Puppet 3. Hiera usually relies on a node´s facts to locate the relevant data sources. However, if you are in a sizable team it helps to encrypt and decrypt data with multiple keys. local --merge deep --knock-out-prefix example key_name_one key_name_two To lookup key_name with agent. You can change the location by changing the hiera_config setting in puppet. The Hiera namespace on wikitech has been introduced to offer self service for non ops or save ones the trouble of crafting a puppet patch and cherry picking it on a standalone puppet master. 4 day training course in London just £2850 + vat. From memory what we discussed was an approach whereby instead of declaring a specific back end in a lookup, you optionally specify that you want to use a backend of a certain capability and that will determine which back end Hiera uses for the lookup. Next, you will learn how to extend Puppet and write custom facts, functions, types, and providers in Ruby, and also use the new features of Hiera 5. 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. The following is an example Hiera 5 hiera. A hash is a key-value structure used in the DPK to store configuration. I'm relatively new to puppet but I used hiera_hash to lookup what I would consider a "hash" in yaml. Using the Lookup Functions From Templates In general, don’t use the Hiera functions from templates. to work around this — basically your hiera hierarchy can actually utilize puppet variables just like it can facts, and you can use that to look up a practical include set IN hiera, to look up other hiera settings. This is a huge win and really shows what can be done with the Data in Modules features and something that’s been impossible before. yaml to outline the new hierarchy structure to ensure that the data look up stricter Puppet 4 syntax. Regards, El 16/04/2014 18:31, "Sans" < [email protected] > escribió: -- You received this message because you. Hiera keys must reflect the most specific common shared namespace of the puppet classes trying to look them up. This code sets the noop_mode variable via a Hiera lookup for the key noop_mode. Puppet’s strength is in reusable code. WSO2 Puppet Modules Hiera contains a platform level in the lookup hierarchy. So: You don't need Hiera. ‘puppet lookup classes’ - will return the classes array for the current node ‘puppet lookup --explain classes’ - will give you debugging output showing which layers and levels it found data ‘puppet lookup --node web2. Also notice the hiera lookup syntax we used inside the erb file. Announcement I have released my new course on Udemy, […]. Join 188 other followers. Puppet allows the user to use a Domain Specific Language to define the state in which resources on a machine should be. The second component of this specific example is a special Hiera variable called %{calling_module}. I found that my hiera data definitely needed to be properly quoted when I started using puppet server, so entries like mode : 644 in a file hash wouldn’t give the. I am mostly using CentOS with Puppet 3. Hiera 5 eyaml_lookup_key function should use the options defined for the appropriate level. Whenever a Hiera lookup is triggered from Puppet, Hiera receives a copy of all of the variables currently available to Puppet, including both top scope and local variables. $ puppet lookup --node www. Because it goes before the environment layer, it’s useful for temporary overrides, for example, when your ops team needs to bypass its normal change processes. name: A human readable name for the lookup. Architecture Overview. The new way of managing hiera (via puppet server) is to contain hiera within each environment and module. yaml has replaced the case statement in the code with a cascading if statement. Hiera is used to look up data. I am setting up my Puppet code using Hiera such that if a value is not found in Hiera, it assigns a default value to it. 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. 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. x) and in the Hiera Complete Example at docs. For example, to look up an element in a hash: $ hiera user {"name"=>"kim", "home"=>"/home/kim"} $ hiera user. puppet,hiera,puppet-enterprise. 4 Beta with Puppet 5. Boxen is a tool that enables not just automated installation of software, but also configuration of our desktops. To make an hiera array lookup (equivalent to hiera_array()): hiera dns_servers -a. One of my scripts is for installing Python. yaml has wrong type, entry 'hierarchy' index 0 expects a Struct value, got String 1 Puppet-hiera-Function lookup() did not find a value-Windows. OPTIONS Note that any setting that's valid in the configuration file is also a valid long argument. This blog post first appeared on the Puppet blog as Hiera, data, and Puppet code: your path to the right data decisions, and is published here with permission of the Puppet blog editor. HieraConfigPath: Path to a hiera configuration file to upload and use; set in the template option hiera_config_path ManifestDir: The directory of the manifest file on the remote machine. The module data hierarchy for puppet lookup. Whenever a Hiera lookup is triggered from Puppet, Hiera receives a copy of all of the variables currently available to Puppet, including both top scope and local variables. Enter your email address to follow this blog and receive notifications of new posts by email. Company-wide defaults 2. Chapter 3 - Using Hiera. (Puppet does not rely on order or sequence of the code, so redefining a variable (changing a value) would cause problem, because puppet does not know which definition is the first. Then it tells Puppet to first look for a file with the name of the client host (from the hostname fact) with. yaml, when using file based backends, we can define hierarchies using 2 similar keys: path. It will do a first style lookup which is your basic traditional Hiera first-match-wins and there's a default. I now hand this off to someone who can do something with it. local --merge deep --knock-out-prefix example key_name_one key_name_two To lookup key_name with agent. The following code shows some examples of this (lookup2. Retrive list from hiera. x hiera docs linked above refer to hiera_include which is deprecated. I get this error: Warning: The function 'hiera_array' is deprecated in favor of using 'lookup'. We'll use that to explore not just module creation itself, but some of Puppet's features, like Hiera. Puppet has for some time had the experimental option --rich_data which when turned on uses a fully JSON standard representation of data that cannot be expressed natively in a textual format like JSON or YAML. indirection. Pay attention at the back. /keys) Storing the keys securely when using Puppet. Tämä on erittäin kätevää etenkin, jos halutaan nähdä kaikki noodille määritetyt luokat ja käytössä on edellä mainittu roolien toteutus: $ puppet lookup --node www. Operating system specific changes. With Hiera, we can provide node-specific information to a Puppet module. Puppet Forge is a catalogue of modules created by Puppet, our partners, and community that helps IT ops practitioners supercharge and simplify their automation processes. This one helped me a lot. Setting allow-header-cert-info to ‘true’ puts Puppet Server in vulnerable state. Replace OSTYPE, MAJORRELEASE and ARCH with the correct values for the systems you will be PXE booting. Hiera uses a customizable hierarchy to lookup the data. 9), in earlier versions in can be installed as a gem:. puppet apply Hiera "Hiera is a key/value lookup tool for configuration data, built to make Puppet better and let you set node-specific. WSO2 Puppet Modules Hiera contains a platform level in the lookup hierarchy. The old hiera() function is not aware of this – it’s a lookup() feature but with this in place we’ll hopefully never see hiera*() functions being used in Puppet 4 modules. The hiera_include function calls include and passes it the values found in the hiera lookup for classes. Puppet – Assigning a class to a node using Hiera Once you have moved all your class parameter definitions out of site. Puppet Cheat Sheet; NGINX - sample module structure; Puppet Enterprise upgrade 2015. You now get way more output from the puppet lookup command. com This returns the value true. For example, when an NFS client requests three bytes from a file, a much larger chunk (usually 4K) is actually read. Then you can run the agent as usual – don’t forget to start the service. You then establish a hierarchy of lookup, however you like, usually based on facts. All it lacks is a method to remove files. Hiera allows hierarchical configuration in Puppet, which is difficult to achieve with native Puppet code. Use a text editor to modify the hiera. Hiera is a method of defining configuration values that. Moreover, you can encrypt the data in hiera for security. The following is an example Hiera 5 hiera. Integrating Jerakia with Puppet To enable Jerakia in your Hiera 5 configuration it should be configured as a lookup_key entry. 5 W OSB strange blocked threads while hammering a serv sudo Runas_list (sudo by example) sudoers file syntax (sudo by example) Puppet 3. certificate,puppet,agent. To make an hiera hash lookup (equivalent to hiera_hash()): hiera openssh:: settings -h Puppet architectures - Overview The Components of a Puppet architecture Where to define classes Where to define parameters Where to place files Puppet security. This seems wrong, and coupled, and flakey, which is why it's listed as a bad practice on the puppetlabs documentation. WebLogic requires Java too, so we configure that in the profile as well. For example, We can organize our data in this way: 1. Puppet functions can distinguish a nil argument from no argument at all as all arguments are passed in a array which you can check the size of. Global variables should be avoided as much as possible. Retrieves data from an Puppetmaster node using Hiera as ENC Requirements ¶ The below requirements are needed on the local master node that executes this lookup. It searches your Hiera data and returns a value for the requested lookup key, so you can test and explore your data. RSpec tests for your Puppet manifests & modules Installation gem install rspec-puppet Example groups. I am using the hiera() lookup function in order to query some few attributes from a http backend. The article date is one clue; another is whether the example leans on Puppet 4 features like automatic Hiera lookup, or using the 'lookup' function instead of the 'hiera' function to pull Hiera data. PUPPET MODULES: A HOLISTIC APPROACH An example: Use the puppet module to manage pe-puppet! # If global lookup is set hiera(“openssh_monitor”) # A specific. This week on the podcast, Dan dives into some advanced Puppet configuration to use with the DPK. That is now better served by the Horizon UI. We have already talked about it in a previous blog post and now we are going to explore new elements which may be quite interesting and useful in some use cases: globs and mapped paths. Some puppet modules have test suites using the ruby test runner rspec with rspec-puppet and a set of rake tasks to run linting check (to validate manifests, puppet-lint, hiera yaml files, erb templates). com This returns the value true. This task performs a hiera lookup Tasks: hiera_lookup; Version 0. This has been possible to do in Puppet for quite some time, using Hiera and automatic parameter lookup. Boxen is a tool that enables not just automated installation of software, but also configuration of our desktops. The lookup function uses Hiera to retrieve a value for a given key. lookup('ntpserver', nil, nil) let(:params. Something like this: common. It isn't clear to me from reading the puppet docs, exactly how the hiera data is evaluated and when it fits into the picture. For those of us with pre-existing configuration management workflows, moving to…. You'll also need read access to the LDAP instance you want to query from your puppet master. We already know that in hiera. There is another pattern that is documented indirectly by Gary (under Hiera data bindings in Puppet 3. data/common. Puppet variables passed to Hiera. Setting allow-header-cert-info to ‘true’ puts Puppet Server in vulnerable state. We can place keys in hiera and apply them as necessary according to our hierarchy (note: review hiera lookup methods to ensure. As seen in the example below, I've stivesso. 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. It searches your Hiera data and returns a value for the requested lookup key, so you can test and explore your data. For example, We can organize our data in this way: 1. 7 installation to puppet 3. Setup Configuration. Puppet File. PUPPET-LOOKUP(8) Puppet manual PUPPET-LOOKUP(8) NAME puppet-lookup - Interactive Hiera lookup SYNOPSIS Does Hiera lookups from the command line. Hiera is installed by Paramter Lookup. function_" and the key has to be encased in double/single quotes followed by square brackets, and finally round brackets. Installing hiera-eyaml $ gem install hiera-eyaml Installing hiera-eyaml for the new puppet-server $ puppetserver gem install hiera-eyaml Generate keys. Ensure puppeservers1/1 are not. However, it appears that using the knockout_prefix on a key name simply prepends the prefix to the key name in the output, rather than removing the key. For example, if the value is found in the YAML configuration for the default profile of the WSO2 API Manager, then that value is returned. Announcement I have released my new course on Udemy, […]. In Puppet manifests, you can use the lookup() function to query Hiera for the specified key (you can think of Hiera as a key-value database, where the keys are strings and values can be any type). We can place keys in hiera and apply them as necessary according to our hierarchy (note: review hiera lookup methods to ensure. I am not getting the desired results and wanted to know how others did it : lookup( , [], [], [] ). 7 you’ll need to install the following packages (for debian): hiera, hiera-puppet. Similar to the switch from puppet master to puppet server, the future parser is somewhat more strict about data formats. 2 graph and cycles. 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. When looking up a key, Hiera searches up to four hierarchy layers of data, in the following order:. This includes the hiera as part of standard package, so I wanted to finally look at using this since it should make my setup easier to read/understand. Go from beginner to confident Puppet user with a series of clear, practical examples to help you manage every aspect of your server setup. The Lookup Configuration at hiera. Puppet standalone and hiera. One of the most important tasks we face when working with Puppet is Node Classification, that is the action of assigning classes to nodes each class containing the resources we want to manage on a node. The following is an example Hiera 5 hiera. puppetcpp by puppetlabs - A prototype Puppet compiler written in C++. Puppet is a configuration management system that helps simplify the use and deployment of different types of software, making system administration more reliable and replicable. 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. 0 (lookup didn't exist prior to that). Hiera AWS SM is a Hiera 5 backend for Puppet, allowing Puppet to retrieve secrets from Amazon Web Service's Secrets Manager. The lookup command is a CLI for Puppet´s ´lookup()´ function. Use a Hiera array merge to remove duplication and simplify our Puppet node manifests. Since I have multiple datacenters, I want to point linux clients to the closest DNS server. passwords, private keys, tokens, …) to Git because you can encrypt only parts of your files (“per-value encryption”) and it doesn’t require any additional setup (since. Installing the SIMP Compliance Engine (SCE) Enterprise 6. Many of these are defined by variables or facts (facter). There is also a plugin for the puppet command line utility, puppet lookup. This certificate is waiting for signing, to do so, we need to move to Puppet server:. See LICENSE file. subreddit:aww site:imgur. Next, you will learn how to extend Puppet and write custom facts, functions, types, and providers in Ruby, and also use the new features of Hiera 5. RBAC and Governance become a much more notable issue at large organizations. Hiera or Dashboard as an ENC? "" is not a Hash. Puppet’s strength is in reusable code. Out of the box Hieratic supports a number of resource types (96, to be exact, from 14 modules plus the native Puppet resources ) and any arbitrary class, and it does so with a variety of parameters to customize behavior.