puppet: if one file exists then copy another file over. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. If no manifest files are provided, it will validate the default site manifest. Interpreting the output of the puppet apply command; Adding control. Instead of using loop keywords, the Puppet language uses iterative functions that accept blocks of code called lambdas. Chaining arrows forming relationships between three resources, using resource references. Wrapping the service resource into an if block like I did with the exec resource doesn't work either since the service resource does multiple things: It starts the service if it isn't. Then, you can install the Nuget package via the package resource in Puppet. If set to false, file content won't be backed up. In the minimal example above we first give the command a. To the best of my knowledge, there is no general-purpose mechanism in Puppet to make catalog application abort completely upon failure of a single resource, though such a feature has been requested before. Parameters. If omitted, this attribute’s value defaults to the resource’s title. In the modified question, the resources involved have such a relationship already. In a particular project, I have a lot of Puppet exec resources with pipes. That could be achieved by having your exec write the calendar day into a file. (See the notes on refreshing below. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. I have a requirement where one exec notifies another exec which notifies a defined resource type (which sets some variables and runs an internal exec). The general form of a resource reference is: The resource type, capitalized. If a given resource is not in the desired state, Puppet takes whatever action is necessary to put. 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. Resources are the fundamental unit of system configurations and each resource describes an aspect of the system. The command runs only if the file doesn't exist. The ensure (see ensurable. 0. Since Puppet uses the same exec resource type on both *nix and Windows systems, there are a few Windows-specific caveats to keep in mind. Follows 302 redirect and propagate download failure. For instance, to rename the Guest account:. target. 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. Data type: Optional[String] the source file (either a puppet URI or local file) of the SELinux . 5. Puppet and Bolt/Ansible are like shovels and spades. Refresh behavior varies by resource type: for example, services restart and mounts unmount and re-mount. They are subtypes of the fairly abstract Resource data type. ) (See the notes on refreshing below. My understanding is that if the second exec fails, the defined resource type should NOT be refreshed. Classes and defined type instances contain the resources they declare. ; Prevent Puppet from making changes, by setting the noop. , such as . The optional :parent argument should be the name of a parent class. pp. ##Usage. (See the notes on refreshing below. Expand Resources are the fundamental unit for modeling system configurations. Second: The order depends on a few things. Autorequires: If Puppet is managing the user’s primary group (as provided in the gid attribute) or any group listed in the groups attribute then the user resource will autorequire that group. 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. , such as . 0 (2016-07-21) Full Changelog. 1 Answer. That is mediated, where desired, by the resource's unless, onlyif, and / or creates parameters, as described in that resource type's documentation. This might prove disastrous. As a last resort, Puppet will attempt to search the process table by calling whatever command is listed in the ps fact. In this example, there is an array of command names to be used in each symlink’s path and target. If a given resource is already in the desired state, Puppet performs no actions. Chapter 4. Then, you can install the Nuget package via the package resource in Puppet. I want to create a new file on a specific Puppet agent and store the output of a Linux command to the file. Multiple resources may be declared to manage multiple lines in the same file. A resource declaration is an expression that describes the desired state for a resource and tells Puppet to add it to the catalog. In other words, I'm trying to manage the content of that directory fully. Moreover, the directory /etc/facter/facts. The source attribute is mandatory. Additional resource types are distributed in Puppet modules. txt”) for my Puppet node. You can also set variables within the manifest, which can change the. Let’s say you want to execute a command based on a fact. I am poorly familiar with the puppet language but would guess something like this to execute the jar file: exec { 'jar_execution': command => 'cmd. Hot Network Questions Python strong password validator ( with unit test ) Consequences of publishing work using text from millions of Sci-Hub articles Besides Jamaica, are there other countries where a "Labour" (or Workers' etc. The exec resource type executes external commands on the client. Providers are always associated with a single resource type, so they are created by calling the provide method on that resource type. In this example, the title is C:Tempfoo. A String that can be converted to a floating point number can also be used in this version - but this is deprecated. jar file is actually an update for an application which is running as a service. Puppet ssl is a command for managing SSL keys and certificates for Puppet SSL clients needing to communicate with your Puppet infrastructure. Description. group. 0. , adding a search path for exec resources or controlling directory recursion on file resources). Puppet Exec resource to apply only when a File changes. A regular expression (sometimes shortened to “regex” or “regexp”) is a pattern that can match some set of strings, and optionally capture parts of those strings for further use. I wonder if the syntax above used to work on a previous. A manifest is a file containing Puppet configuration language that describes how resources should be configured. cron. Puppet File resource runs despite Exec unless. This also makes it easier to read related resources, instead of the long and complicated command being used in the package resources require property here: class messy_exec_relations { exec. This is just to show the general concept. ), and can log the child process output and exit status. This is especially useful when managing Windows systems. ) (See the notes on refreshing below. password is not getting changed to the default password and also. Description Manage running services. 8. bashrc'", subscribe => File ["/root/. You can declare a resource of a defined type in the same way you would declare a resource of a built. ) (See the notes on refreshing below. If you want to specify to take a given action if file exists, if file doesn't exist etc. Imagine an exec resource that installs 7-zip, lets call it install-7-zip. In my puppet managed environment, one service needs to be restarted each time a file changes. A Puppet master typically compiles a catalog from manifests of Puppet code. It's important to note that the notify resource type is not idempotent. exec is a hack, but it's the only way to do it besides running Puppet multiple times. Ehrm, personly I would try: exec {. group. Adapts the Puppet exec resource to run PowerShell Core commands. conf file is created; after the. notify. Tip: If you're installing Puppet Server on Ubuntu, use bash . 1 and drop Puppet 4 #84 (bastelfreak) Implemented enhancements: Features request: SCL repos #66;. A resource's title is a string that uniquely identifies the resource to Puppet. (To take an example from Windows, you would use "wuauserv" rather than "Automatic. pp file. Each resource describes the desired state for some aspect of a system, like a specific service or package. Exec ['get-chocolatey'] -> Package<| provider == 'chocolatey' |>. As a result, notifications are shown as a change. 0. (Namevar: If omitted, this attribute’s value defaults to the resource’s title. each loop and add subscribe and refreshonly, however, it seems rather inefficient to do that for each item. The built-in function assert_type takes a value and a data type, and raises errors if your code encounters an illegal value. Execute puppetserver ca sign --certname puppet-agent1. , such as . , range => '2 - 4', } exec { '/usr/bin/apt-get update': schedule => 'everyday', } (↑ Back to schedule attributes) period. 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. Providers. Specifying file owner, group, or mode for file-based settings is not supported on. Providers implement the same resource type on different kinds of systems. puppet agent -td -. The most prominent exception among Puppet resources is the exec resource type, which is idempotent but relies on the user to design them accordingly. 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. Exec tips and examples for Windows; file; File tips and examples for Windows. For example:This means that you can allow other people access to the code, without access to the sensitive data in that code. Puppet doesn't have all the pathing/env variables you're used to as a regular user, so you need to be. ). Namevars and titles. For detailed information about built-in types, see the Resource type reference. Refresh: service resources can respond to refresh events (via notify, subscribe, or the ~> arrow). This action validates Puppet DSL syntax without compiling a catalog or syncing any resources. There are a large number of built-in resource types and the Puppet 5. Your require parameter is only indicating that the exec resources should be handled before the file resources, not that their "return value" should indicate whether to create the resource or not. This is the default setting. Puppet Exec resource to apply only when a File changes. cron. 0. Puppet Exec Resource. There are a few important parameters to use when writing an exec resource with PowerShell. That is, if there is a change in 2 or more files, then the exec resource have to be called only once. This page provides a reference guide for Puppet 's built-in types: package, file, service, notify, exec, user, and group. 0. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. Create exec resources with metadata to ensure it is idempotent. Puppet is an open-source configuration management tool from Puppet Labs. Build relations to other resources that don't know about the resource in. Puppet contains resource types to manage some SELinux functions, such as Booleans and modules. If a resource subscribes. bashrc"], refreshonly => true, } However, as @womble already pointed out, there's no point in sourcing . However, if all you want is to. exec; Exec tips and examples for Windows; file; File tips and examples for Windows. You should probably look at doing this some other way. Puppet User and GroupRun puppet resource package to see a list of installed packages. The command should only be run as a refresh mechanism for when a dependent object is changed. Consider. As a result, the chown in the main command always is run, and that is reported. One that provides a big benefit with very little effort is better resource naming. exe /c C:/test. 2. for a class, defined type, or host) and then you can write tests to verify the contents. The exec has refreshonly => true, which only allows Puppet to run the command when some other resource is changed. } 1. 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. About Indirection. Several attributes, such as the relationship metaparameters, require resource references. The stdlib file_line resource is very close to what I need. There are a few important parameters to use when writing an exec resource with PowerShell. Resource definition: the type. This page provides a reference guide for the core Puppet types: package, file, service, notify, exec, cron, user, and group. Note the following details in this file resource example: Puppet uses a basic syntax of type { title: }, where type is the resource type. Default value: undef. Any command in an exec resource must be able to run multiple times without causing harm --- that is, it must be. ; Set limits on when the resource should be applied, by using relationship metaparameters like notify or require. puppet exec command issue. Puppet Exec Resource. ). However, unfortunately, there is no way to make file_line match over multiple lines and replace with new content. package { 'the Puppet Type Reference for the exec resource and look for unless and onlyif. creates. puppet-service should be stopped only if file exists. In a resource declaration, the title is the identifier after the first curly brace and before the colon. With it, you can apply different resources or parameter values depending on certain facts about the node, for example, the operating system, or the memory size. The powershell module adapts the Puppet exec resource to run PowerShell commands. Thank you for your replay John. This tool is a part of the policycoreutils-python package, which is not installed on Red Hat Enterprise Linux systems by default. Implemented via types and provider instead of exec resource. Hot Network QuestionsExec; Execute commands from Puppet Manifests; Globally Set Exec Paths; Nicer Exec Names; Run exec if file is missing; Control when an exec should run; Control Execs output; Services; Ensure service is running; Start service on boot; Ensure service is stopped; Don't start service on boot; Restart service when config changes; Facts and Facter. Handling versions and upgradesPuppet contains resource types to manage some SELinux functions, such as Booleans and modules. This can greatly speed up the execution the resource. A catalog is a document that describes the desired state for each resource that Puppet manages on a node. Any command in an exec resource must be able to run multiple times without causing harm --- that is, it must be idempotent. puppet-bak, Puppet will use copy the file in the same. Write a module that contains a class called privileges to manage a resource that sets privileges for certain users. Yes, and yes. These resources allow Puppet to run arbitrary strings of shell code and can be vulnerable to command injection if these strings are constructed from untrusted input. This page was generated from the Puppet source code on 2022-02-07 10:11:41. bolt task show : This instructs Bolt to list all of the tasks it knows about. txt', This command will write the following text to /tmp/output. I want to execute a shell command/script using puppet only when a file exists in particular path. This page provides a reference guide for the core Puppet types: package, file, service, notify, exec, cron, user, and group. pwsh: Adapts the Puppet exec resource to run PowerShell Core commands. do, line 50) cannot accept an array of options. te file. In addition to the resource types included with Puppet, you can install custom resource types as modules from the Forge. Expand Resources are the fundamental unit for modeling system configurations. The roles and profiles method can help keep complexity under control and make your code more reusable, reconfigurable, and refactorable. 1. The most important point that I was trying to convey to you in my previous message was that Puppet does not use a mechanism anything like that to set up the environment for the Exec's commands. 17 also improves the way typed class parameters are checked. In this example, the ntp package must be installed before the ntp. Multiple resources may be declared to manage multiple lines in the same file. A regex and content to replace a match with. You can declare a resource of a defined type in the same way you would declare a resource of a built. (See the notes on refreshing below. pp) file. 5. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. But I can't get the list of all defined resources of this type to obtain the files I'm managing. Likely, your best bet is indeed to create an exec resource that installs multiple packages in one yum call. ) A caution: There’s a widespread tendency to use collections of execs to manage resources that aren’t covered by an existing resource type. Ok then an isolated source /etc/profile in an exec resource will not achieve this for you. A pair of curly braces ( { and } ) containing a <KEY> => <VALUE> string for each key-value pair, separated by a comma and a space ( , ), with no trailing comma. Each one is expected to specify. (See the notes on refreshing below. But that's ok, because Puppet also tracks a queue of resources. If set to a string beginning with . 1. Therefore, they should not be set outside of site. I think that the simplest solution is to have the lifecycle of the 7-Zip package managed by exec resources rather than as package resources. source_fc. There are times when you have a complex script that you just need to get into configuration management. Other core types. Note: The Puppet Resource API is a simpler and faster way to build types and providers. Each value is another hash with the optional :is and :should keys. Because the Exec requires the File to (conditionally) be applied first, its own unless parameter would not be evaluated in time to affect that, even if there were a way it could do. Parameters change how Puppet manages a resource, but do not necessarily map directly to something measurable. 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 :. For instance, to rename the Guest account:. Execute resource in Puppet if another resource fails. Note: You must supply either a content parameter or a source parameter. If the task fails (returns non zero), catching this is basically /bin/long-running-task || <err catching code>. Additional resource types are distributed in Puppet modules. You should use per-resource default attributes when possible. If. . Additionally, some resources like exec will support attributes that work like a conditional, but only accept a command output as condition. Largely self-explanatory. The exit status when you run it directly and the exit status you expect it to return are irrelevant. This resource type uses the prescribed native tools for creating groups and generally uses POSIX APIs for retrieving information about them. pp. Like “if” statements, case statements choose one of several blocks of arbitrary Puppet code to execute. exec { 'nagios-permissions': command => "/usr/bin/chown -R nagios:nagios $ {confdir}", onlyif. Sponsor Open Source development activities and free contents for everyone. The set method updates resources to a new state. Currently,. Resource default for the exec type A resource default statement set default attribute values for a given resource type. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. Analyzing changes and failures. Classes are named blocks of Puppet code that are stored in modules and applied later when they are invoked by name. Resources are the fundamental unit for modeling system configurations. 3. Create Module. First: Puppet does not run anything in parallel. Follows 302 redirect and propagate download failure. Parameters. For example, you can: Add metadata to a resource with the alias or tag metaparameters. Puppet offers expert training in methods that work best for you. It is messy and not best practice though. The best way how make decisions based on package version is to create a custom fact in some module lib/facter/apache_version. Aug 30, 2021 at 16:58. Sections. Regular expression. For example, to understand the cause of a failure after a Puppet run, select the class, node, or resource with a failure in the Events summary pane, and then review the details of the failure in the Events detail pane. The following example shows you how to create resources in Puppet using the low-level types and provider method. This page provides a reference guide for the core Puppet types: package, file, service, notify, exec, cron, user, and group. Add classes from the privileges and sudo modules to your agents. com Inline PowerShell scripts. This is especially useful when managing Windows systems, because. And as for the title of this question which I originally overlooked. It uses its local collection of modules for any file sources, and does not submit reports to a. Sending troubleshooting information to Support. With metaparameters, you can change how Puppet handles specific resources. , adding a search path for exec resources or controlling directory recursion on file resources). ---yum::managed_repos:. 1. ) (See the notes on refreshing below. Online live training (aka "remote live training") is carried out by way of an interactive, remote. Puppet Exec resource to apply only when a File changes. Given that, you can use a lambda iterator on the hash. 2. This resource type uses the prescribed native tools for creating groups and generally uses POSIX APIs for retrieving information about them. -> (ordering arrow; a hyphen and a greater-than sign) — Applies the resource on the left before the resource on the right. Note: These two behaviors should not be mixed for a given class. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. There is also a second puppet exec resource that uninstalls 7-zip, lets call it uninstall-7-zip. conf file is created; after the. name. Providers. , adding a search path for exec resources or controlling directory recursion on file resources). I don't think there's something built into Puppet. Defined resource types , sometimes called defined types or defines, are blocks of Puppet code that can be evaluated multiple times with different parameters. The implementation matches the full line, including whitespace at the beginning and end. Puppet ’s property support has a helper method called. puppet_pkgdmg_installed_NAME. using the crayfishx-purge module. In general convert. ) (See the notes on refreshing below. Resource Type: exec; Using exec on Windows ; Resource Type: file; Using file on Windows. If given a type, a name, and a series of attribute = value pairs, puppet resource will. Default value: undef. There are a few other use cases documented in the README that are worth understanding; especially local caching to ensure you're not constantly fetching the file just to discard it if it hasn't changed. I attempted the solution below but it throws exceptions during puppet run. , may gets updated during (yum). This can be used with bash on Linux, but with the PowerShell provider, it can run PowerShell on Windows and Linux nodes as well. If you are using Puppet 3. No find command is run; the test just passes by examination of the argument. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. Other built-in types. ) A caution: There’s a widespread tendency to use collections of execs to manage resources that aren’t covered by an existing resource type. See the filebucket resource type for more details. resource-like. This page was generated from the Puppet source code on 2022-02-07 10:05:45. For your particular case, use a Tidy resource instead of an Exec to perform the cleanup:. Could someone please advice the best approach?It is used to enforce property values such as owner, mode etc. For example, 5 =~ Integer and 5 =~ Integer[1,10] both resolve to true. . 1 Answer. puppet parser validate [ manifest] [ manifest. Install the saz-sudo module as the foundation for managing sudo privileges. Puppet resource type: file (check "Resource types" for all manifest types in the left menu) ; Puppet's Declarative Language: Modeling Instead of Scripting ; Puppet lint ; Puppet emacs mode Requirements General ;. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. To get started, install the module and declare 'powershell' in provider with the applicable. According to the documentation in my example, the resource 'service x' will be executed if target resource require => Exec ['checkForFile'] is successfully applied. Sorted by: 1. If you do need to do it via say the exec resource, then @16c7x's statement is correct. ), and can log the child process output and exit status. As a last resort, Puppet will attempt to search the process table by calling whatever command is listed in the ps fact. I want to execute an exec resource if a service is not found, skip the exec resource if the service is found. Running Powershell command directly using Puppet exec resource. Learn more about TeamsSo, when Puppet applies a catalog built from your code, it will firstly apply the Exec resource, i. Exec['Wait for rabbitmq']. Puppet can run binary files (such as exe, com, or bat), and can log the child process output and exit status. Puppet trigger resource only if other resource applied a change? Related. In the Puppet language, there are never any values whose data type is one of these resource types. exec { "Change status and start-up of Win service": command => 'C:\Windows\System32\WindowsPowerShell\v1. Using service on macOS. Modules contain Puppet classes, defined types, tasks, task plans, functions, resource types and providers, and plug-ins such as custom types or. If set to a string beginning with . Locate the package you just installed, and copy the name that Puppet resource reported for it.