For your particular case, use a Tidy resource instead of an Exec to perform the cleanup:. Puppet: How to execute a Exec resource if another Exec resource failed. Answer. However, unfortunately, there is no way to make file_line match over multiple lines and replace with new content. pp. That command will always return 0 (true): it just tests whether the given string is nonempty. the source file (either a puppet URI or local file) of a pre-compiled SELinux policy package. One thing that you can do (and I don't recommend) and that is not "puppet way" is following:Making Puppet exec work The exec resource from Puppet, the automation framework, is a mysterious beast. Puppet conditional only if file exists in a particular directory. As a result, notifications are shown as a change. exec power shell script having corrective action every time. Puppet exec: shell command returns "could not find command" 0. Resources are the fundamental unit for modeling system configurations. They take a control expression and a list of cases and code blocks, and will. (See the notes on refreshing below. This mostly works for me on Puppet 4. What it sounds like you are asking here is how to iterate over a hash and have each resource in the iteration notify an exec resource. *Stop -> *Overwrite Code -> *Start. Puppet offers expert training in methods that work best for you. Ordering follows from that, but so also. exec. Refresh: service resources can respond to refresh events (via notify, subscribe, or the ~> arrow). It must be either a local disk path or an HTTP, HTTPS, or FTP URL to the package. [puppet master ip] puppetmaster puppet [puppet client ip] puppetclient I understand that remote-exec runs after the resource is created. The Puppet site manifest (site. ps1. For instance, in this example manifest, I want to run a PowerShell command that adds the string “Hello” to the contents of a text file (“C:\test. If a resource subscribes. The next step is to follow the. It is used to enforce property values such as owner, mode etc. I have a class that executes a DSC resource, but required to wait for 20 seconds, before it executes it. notify. Puppet can execute binaries (exe, com, bat, etc. 0. name. The Puppet exec resource has OnlyIf and Unless attributes which can be used to limit when the command is invoked; e. Otherwise, if that file doesn't change, and the exec isn't subscribed, the exec resource does not think it needs to run so the puppet run. Multiple resources may be declared to manage multiple lines in the same file. Next, use refreshonly to instruct the exec resource to only apply a change if the vcsrepo repo effected a change (vis a vis non-idempotent):. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. To use sudo non-interactively, the invoking user needs a NOPASSWD: entry in sudoers. This tool is a part of the policycoreutils-python package, which is not installed on Red Hat Enterprise Linux systems by default. The if condition is evaluated first and, if it is true, the if code block is. The provide method takes three arguments plus a block: The first argument must be the name of the provider, as a :symbol. If the line is not contained in the given file, Puppet will append the line to the end of the file to ensure the desired state. This page was generated from the Puppet source code on 2022-02-07 10:11:41. puppet resource exec order for an array of items mapped to metaparameters. Renaming a file is specifying how to a achieve a desired state - it’s an imperative. Puppet exec command with variable not executed. The implementation matches the full line, including whitespace at the beginning and end. execute the /bin/true command, if and only if the install path exists; and then it will secondly manage the server_backup_dir File resource. (See the notes on refreshing below. Resource Types include things like: exec; file; group; host; interface; notify; package; scheduled_task; service; user. Puppet can resolve variables that are included in double-quoted strings; this is called interpolation. If this is not true, then please clarify the question with terminology and details. exec { "Change status and start-up of Win service": command => 'C:WindowsSystem32WindowsPowerShellv1. So what I'm doing with puppet is that I have all these scripts residing a directory, and I copy them over to init. With respect to the update to the question, the key requirement for the Service to be refreshed before the Exec is applied is that there be an ordering relationship between the two, whether direct or transitive. There is also a second puppet exec resource that uninstalls 7-zip, lets call it uninstall-7-zip. It requests a configuration catalog from a Puppet. Puppet can run binary files (such as exe, com, or bat), and can log the child process output and exit status. onlyif. I have used exec type to accomplish this. conf file is created; after the. To encrypt sensitive data with hiera-yaml, run through the following steps: Install hiera-eyaml: puppetserver gem install hiera-eyaml. The most common Puppet’s Resources are Listed below. It's important to note that the notify resource type is not idempotent. creates whenever there is a file that will only exist after the command completed successfully orWhen using exec resources with the powershell or pwsh provider, the command parameter must be single-quoted to prevent Puppet from interpolating $(. Puppet includes many core resource types, plus you can extend Puppet by installing modules. refreshonly not working with Puppet exec resource. If you want to indicate whether those. The exec type provides a simple way to run those commands via puppet (on the puppet client, not the master) and harness them in your modelling, whether as a dependency of another resource, an easy way to accomplish something puppet doesn't yet provide or as part of a gradual migration. sudo -u fred /usr/bin/echo "hola dan" Note that I used sudo -u in favor of sudo su -. I am using vagrant with puppet to set up virtual machines for development environments. This seems to work just fine. With metaparameters, you can change how Puppet handles specific resources. The provide method takes three arguments plus a block: The first argument must be the name of the provider, as a :symbol. Each resource describes the desired state for some aspect of a system, like a specific service or package. This will trigger the apt-get-update-private-repo exec resource on every puppet run even if nothing changed in the repository. 1. When working with Puppet resources, you typically don’t need to worry about idempotence; most resource providers are idempotent by design. The most prominent exception among Puppet resources is the exec resource type, which is idempotent but relies on the user to design the resource accordingly. This is especially useful when managing Windows systems, because. Again, from an imperative approach this is fairly easy to deal with. A resource declaration is an expression that describes the desired state for a resource and tells Puppet to add it to the catalog. When Puppet applies a catalog to the target system, it manages every resource in the catalog, ensuring the actual state matches the desired state. ssh/authorized_keys that aren’t being managed with. Note the following details in this file resource example: Puppet uses a basic syntax of type { title: }, where type is the resource type. For instance, in this example manifest, I want to run a PowerShell command that adds the string “Hello” to the contents of a text file (“C: est. d/ serves a special purpose, and your expectation for how it might be appropriate to use a file within is not consistent with that purpose. Refresh: mount resources can respond to refresh events (via notify, subscribe, or the ~> arrow). To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. Default path for exec resource with forman and puppet. For best results, either leave enable blank or make sure it’s set to true whenever ensure => running. When installing the packages from a DMG, this provider writes a file to disk at /var/db/. ) (See the notes on refreshing below. Alternative 1:. Chaining arrows. Run puppetserver ca list which shows the CA signing request from your Puppet agent. Default value: undef. Interpolation. Puppet contains resource types to manage some SELinux functions, such as. Among them, notice (), info (), and debug () seem the. Data type: Optional[String] the source file (either a puppet URI or local file) of the SELinux . do. Puppet can execute binaries (exe, com, bat, etc. Infrastructure as code, task orchestration, event driven workflows. A key feature of Puppet is its idempotency: the ability to repeatedly apply a manifest to guarantee a desired resource state on a system, with the same results every time. If the current state does not match the defined state of that resource, Puppet invokes the appropriate methods on the resources native provider to bring the resource into. Additional resource types are distributed in Puppet modules. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. 0. 0. Takes a single numeric value as an argument. There are a large number of built-in resource types and the Puppet 5. (See the notes on refreshing below. With the never ending profusion of languages. I would like to add a number of control gates into my manifest via onlyif and unless. An "if" statement takes a Boolean condition and an arbitrary block of Puppet code, and executes the code block only if the condition is true. In general convert. ##Usage. Providers implement the same resource type on different kinds of systems. These are command. rspec-puppet unit test for define type using resource. Resource references identify a specific Puppet resource by its type and title. File contents can be managed directly with the content attribute, or downloaded from a remote source using the source attribute; the latter can. Each resource describes the desired state for some aspect of a system, like a specific service. How do I use puppet to run the command, get the file names and then loop the 3 file names and set permission accordingly? puppet; puppet-enterprise; Share. Execute create_resource after everything has finished or after exec has finished. txt', This command will write the following text to /tmp/output. 1k 11 55 84 Add a comment 2 Answers Sorted by: 3 This expression essentially instructs Puppet to have any package resource require the "apt-update". ) A caution: There’s a widespread tendency to use collections of execs to manage resources that aren’t covered by an existing resource type. on whatever server is used to compile the catalog, NOT on the host where the catalog is actually applied. 0. The exec type is a good catch all solution because it can manage virtually anything. All resource types (single-page reference) Core types cheat sheet; Optional resource types for Windows; augeas; Augeas tips and examples. macOS handles services much like most *nix -based systems. This is a very flexible and powerful resource, and we can use it to. The very first concept we want to introduce you to is the Puppet manifest. Yes, and yes. This page provides a reference guide for the core Puppet types: package, file, service, notify, exec, cron, user, and group. case statements. It is safer to regard exec resources as the last resort or emergency exit that is only to be used if all other alternatives have been exhausted. The very first concept we want to introduce you to is the Puppet manifest. I have a custom resource (define) that creates a file in a particular directory. To get started, install the module and declare 'powershell' in provider with the applicable. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. If the resource that you want to apply conditionally does not have any built-in conditional checks that serve the purpose, then Puppet conditional statements such as if and case are the most likely options. This is just to show the general concept. 7. I have tried using the -> approach and notify => Exec[] but I'm unsure how to pass params in this case. This code leads to two possible orderings in time, X, Y, Z and X, Z, Y (try it a few times using puppet apply /tmp/code. We explore those in depth in Chapter 5. Puppet Exec Resource. Puppet agent runs as a specific user, by default LocalSystem, and initiates outbound connections on port 8140. } puppetlabs-registry is a custom type and provider, so you can use puppet resource to look at existing registry settings. Standard shell globbing in general and the Ruby globbing function that Puppet relies upon in particular do not have either sub-patterns or a pattern-level negation operator. Run puppetserver ca list which shows the CA signing request from. However I'm not 100% positive that the new audit feature in puppet 2. 1. I'm trying to get a list of applied resources of a specific type to use their attribute values. ) An arbitrary tag for your own reference; the name of the message. exe -NoProfile -NoLogo . bashrc like that; it only affects the bash shell that's run in that command, not any currently running bash shells. With the exec resource type considered the last ditch, its refreshonly parameter should be seen as especially outrageous. Puppet contains resource types to manage some SELinux functions, such as Booleans and modules. exe /c C:/test. The file is not being created because the Puppet agent is never actually applying your catalog because you have a compilation error: Error: Failed to apply catalog: Validation of Exec. selinux::fcontext. using the crayfishx-purge module. If a mount receives an event from another resource and its ensure. exec {'VeryLongExec': command => template ("$ {module}/verylongexec") } Then put the actual command in that template. Puppet have a defined resource fail if a variable is set to undef. So a native resource won’t do it - your Exec approach is the right way to achieve what you want. However, we need to execute the semanage command to manage port settings. So while writing an exec resource type make sure that the exec resource must be able to run multiple times without causing any harm to the machine i. 2. Puppet contains resource types to manage some SELinux functions, such as Booleans and modules. Puppet contains resource types to manage some SELinux functions, such as. Puppet and other identified trademarks are the property of Puppet, Inc. A regex and content to replace a match with. Manage users. In addition to the resource types included with Puppet, you can install custom resource types as modules from the Forge. Either variant works equally fine. I'm afraid this sofware isn't installed on my windows puppet agent. Your operating system and firewall must allow Puppet agent to initiate outbound connections on this port. (See the notes on refreshing below. refreshonly. -> (ordering arrow; a hyphen and a greater-than sign) — Applies the resource on the left before the resource on the right. Within this file, add a block for a class called “lamp”, by adding the following lines: The command should only be run as a refresh mechanism for when a dependent object is changed. For example, the value String represents the data type of strings. You can add classes to a node’s catalog by either declaring them in your manifests or assigning them from an external node classifier (ENC). A resource's title is a string that uniquely identifies the resource to Puppet. This type is mostly built to manage system users, so it is lacking some features useful for managing normal users. Puppet Exec Resource. Puppet exec command with variable not executed. A manifest is a file containing Puppet configuration language that describes how resources should be configured. file only when you need the script to be triggered to run, and the exec resource has to subscribe to it. If the line is not contained in the given file, Puppet will append the line to the end of the file to ensure the desired state. Available providers are: psql. 1. Specify multiple resources as an array of references. Teams. ) (See the notes on refreshing below. Now create and edit your module’s init. When writing Puppet manifests to manage Windows systems, there are two extra issues to take into account when writing file paths: directory separators and file system redirection. (Puppet automatically creates a local filebucket named puppet if one doesn’t already exist. This can be used with bash on Linux, but with the PowerShell provider, it can run PowerShell on Windows and Linux nodes as well. To ensure the resource is. Puppet can run binary files (such as exe, com, or bat ), and can log the child process output and exit status. Country Dance & Song Society. Writing Manifests. 3. The specific backend to use for this ora_exec resource. notify. To manage a group of resources in a specific order, explicitly declare such relationships with relationship metaparameters, chaining arrows, and the require function. And after that, run puppet agent with pluginsync enabled, and you can use custom type like this:. see the Exec resource. This can be used with bash on Linux, but with the. 0. You can, however, interpolate the values of facts or ordinary Puppet variables, and that might be a good route to what. Technically, in fact, you cannot do so: Puppet will interpolate the variable's value into the Exec resource's catalog representation, so there is no variable left by the time the catalog is applied, only a literal. Working in IT, it is part of the of the job to back the right horses. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. The name of the resource must be the filename (without path) of the DMG file. In addition to the resource types included with Puppet, you can install custom resource types as modules from the Forge. Defined resource types , sometimes called defined types or defines, are blocks of Puppet code that can be evaluated multiple times with different parameters. You can declare a resource of a defined type in the same way you would declare a resource of a built-in type. If necessary, changes the system to enforce the desired state. txt”) for my Puppet node. Classes are named blocks of Puppet code that are stored in modules and applied later when they are invoked by name. Instead of using loop keywords, the Puppet language uses iterative functions that accept blocks of code called lambdas. Second: The order depends on a few things. Resource types. Since exec resources can be used to perform virtually any operation, they are sometimes abused to stand in for more proper resource types. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. However, we need to execute the semanage command to manage port settings. In this example, the title is C:Tempfoo. It's important to note that the notify resource type is not idempotent. Puppet is an open source product with a vibrant community of users and contributors. Puppet's if statement allows you to change the manifest behavior based on the value of a variable or an expression. Providers are always associated with a single resource type, so they are created by calling the provide method on that resource type. Resource-like declarations. 1 Answer. exec is a hack, but it's the only way to do it besides running Puppet multiple times. Consider. (See the notes on refreshing below. Optionally, an if statement can include elsif and else clauses. * Given your manifest, Puppet only promises that the Exec resource - if it is applied at all - will always be applied before the File resource. example. When puppet runs, it will check the status of the package and service and will perform actions as necessary to get to the. In other words Puppet will be sure to execute apt. txt. The powershell module adapts the Puppet exec resource to run PowerShell commands. pp) file. To complete our tour of the basic elements of a manifest, let's take a closer look at the resource types that you have already used, and some of the more import. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. You can get involved by fixing bugs, influencing new feature direction, publishing your modules, and engaging with the community to share knowledge and. The name of the resource must be the filename (without path) of the DMG file. exec { 'tar -xf /Volumes/nfs02/important. exec {. So in this case . 10. I'm using this:To answer your original question, the right way to deploy applications with Puppet is to make Puppet do as little work as possible; any complicated exec resources that download and extract tarballs are bound to be very, very brittle, and making Puppet just yum install a package is much healthier long-run. Inside a double-quoted string, surround the name of the variable (the portion after the $) with curly braces, such as ${var_name}. pp --ordering=random ). Tip: Iteration functions take an array or a hash as their main argument, and iterate over its values. In a particular project, I have a lot of Puppet exec resources with pipes. 0 on RHEL 6 and am doing package management via the exec resource. it must. This means you should use it with care and only if there are no other Puppet types available. ), and can log the child process output and exit status. The value that represents the data type of these values is Type. The default search pattern is the name of the service, but you can specify it with the pattern attribute. Example: If our file_name = jayesh. This name is used to find the service; on platforms where services have short system names and long display names, this should be the short name. (See the notes on refreshing below. The output shows lots of task names. When using exec resources with the powershell provider, the command parameter must be single-quoted to prevent Puppet from interpolating $(. Data type: Optional[String]Sorted by: 1. Puppet is declarative - you tell it what state you want a system, and it goes and creates it. The statement itself is simple but the class doesn't contain any built-in conditional checks (similar to "unless =>" in exec class). The derived. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. --As I said, Not My DownVote (on your answer). Providers implement the same resource type on different kinds of systems. puppet exec command issue. In this case, the resource type is file. Create Module. It should probably be php::php5enmod () and have it's own file. ) A caution: There’s a widespread tendency to use collections of execs to manage resources that aren’t covered by an existing resource type. , adding a search path for exec resources or controlling directory recursion on file resources). But i want it to run after all the resources are created so that i can get the information about the. – Felix Frank. The onlyif parameter is defined as. So now I need to use the returned exit status of above exec resource Exec['check_kernel'] as a trigger to another exec resource Exec['reboot_node'], something like :. My notes on how to make it work for complex multi-exec configurations. ) The name of the service to run. (See the notes on refreshing below. This tool is a part of the policycoreutils-python package, which is not installed on Red Hat Enterprise Linux systems by default. (See the notes on refreshing below. Create exec resources with metadata to ensure it is idempotent. Ports. It takes the environment strings you provide, as interpreted by Puppet at catalog-building time, and inserts them directly into the. Puppet exceptions handling in custom functions (Puppet+Ruby) Hot Network Questions "set editing-mode vi" v/s "set -o vi" what is the difference?Welcome to Puppet documentation. This shell then immediately terminates. You can use a file resource if you need to manually copy package files to the target system. This example specifies defaults for the exec resource type attributes path , environment , logoutput , and timeout . Resource Type: exec; Using exec on Windows ; Resource Type: file; Using file on Windows. Puppet Exec resource to apply only when a File changes. approved. If a given resource is already in the desired state, Puppet performs no actions. group. Puppet can run binary files (such as exe , com , or bat ), and can log the child process output and exit status. In some cases, a partial or corrupted download may wedge this process. Puppet uses the same exec resource type on both *nix and Windows systems, and there are a few Windows-specific best practices and tips to keep in mind. I want create_resources to be executed right after the exec resource. Puppet resources are idempotent, because they describe a desired final state rather than a series of steps to follow. That means notify and require. sudo -u fred /usr/bin/echo "hola dan". (Namevar: If omitted, this attribute's value defaults to the resource's title. The Puppet “exec” resource allows users to run commands and scripts on nodes. what does puppet do when a service's status fails? 1. In the modified question, the resources involved have such a relationship already. As a result, you cannot write a single pattern that matches all the files you want to remove. , for example, the Exec resource being evaluated but its command not run). Exec is a very useful resource type present in Puppet which is used to executes external commands. Open source Puppet docs for recent end-of-life (EOL) product versions are archived in place, meaning that we continue to host them at their original URLs, but we limit their visibility on the main docs site and no longer update them. By specifying the URL in a source parameter you can put an actual descriptive. Some providers may also accept URLs or network drive paths. Now you have a basic Puppet setup. You cannot use an Exec resource to perform the check, because you need to perform the evaluation during catalog building, and resources are not applied until after the catalog is built. (See the notes on refreshing below. Resource relationship chaining arrows. This module appears to make use of the "unzip" command which gets executed via the exec resource. So, in order to avoid this I am adding the refreshonly parameter as follows. In your command prompt, run: puppet resource registry_key 'HKLM\Software\Microsoft\Windows' Puppet supports most of the conditional structures you can find with traditional programming languages, like if/else and case statements. 1. file { '/var/owner => 'recurse => true, } As a matter of fact, Puppet currently cannot automatically create all parent directories. However, the problem with the exec is that it is not idempotent. Each value in the Puppet language has a data type, like “string. bolt task show : This instructs Bolt to list all of the tasks it knows about. 7. To run an exec task, use the task command, specifying the command to be executed. One way or another, puppet has to know what to do. Puppet provides a built-in exec type that is capable of executing commands. All “exec” resources executed by Puppet must be idempotent, meaning the operation that will have the same effect whether you run it once or 10,001 times. name. Providers implement the same resource type on different kinds of systems. Any command. newtype (:yumgroup) do @doc = "Manage Yum groups A typical rule will look like this: yumgroup { 'Development tools': ensure => present, } " ensurable newparam (:name) do isnamevar desc 'The name of the group' end end.