0. These comments are used to match crontab entries created by Puppet. 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. Below is some redacted code to clarify. However, unfortunately, there is no way to make file_line match over multiple lines and replace with new content. 0 on RHEL 6 and am doing package management via the exec resource. Puppet File resource runs despite Exec unless. To encrypt sensitive data with hiera-yaml, run through the following steps: Install hiera-eyaml: puppetserver gem install hiera-eyaml. jar', } Should this be part of the manifest which could look like this?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. Puppet agent is a core service that manages systems, with the help of a Puppet primary server. 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. 0. try_sleep: number of seconds to sleep between retries. group. the source file (either a puppet URI or local file) of a pre-compiled SELinux policy package. If the task fails (returns non zero), catching this is basically /bin/long-running-task || <err catching code>. file { '/var/owner => 'recurse => true, } As a matter of fact, Puppet currently cannot automatically create all parent directories. It's important to note that the notify resource type is not idempotent. Puppet can run binary files (such as exe , com , or bat ), and can log the child process output and exit status. If a given resource is already in the desired state, Puppet performs no actions. 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. Iterative functions accept a block of code and run it in a specific way: each - Repeats a block of code. 0. The name of the resource must be the filename (without path) of the DMG file. Parameters. In addition to the resource types included with Puppet, you can install custom resource types as modules from the Forge. ) A caution: There’s a widespread tendency to use collections of execs to manage resources that aren’t covered by an existing resource type. Class to install post_transaction plugin. To run an exec task, use the task command, specifying the command to be executed. I am using vagrant with puppet to set up virtual machines for development environments. 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 Puppet 3 this can be done by realizing virtual resources using resource collectors # so you don't have to fully qualify paths to binaries Exec { path => ['/usr/bin'] } # virtual resource @exec { 'sudo apt-get update': tag => foo_update } # realize resource. The exit status when you run it directly and the exit status you expect it to return are irrelevant. , such as . The built-in resource types that can refresh are service, exec, and package. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. How to apply resource only if content would change. See the section below on handling versions and upgrades. Generally speaking, details of machines' current state on which Puppet is to base. The . Load only a specific file, such as /etc/hosts. Providers. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. Sponsor Open Source development activities and free contents for everyone. However, we need to execute the semanage command to manage port settings. Parameters. Optional resource types for Windows. You could use for instance (see reference doc)The last line tells puppet that I want the package resource executed first and the then execute my file resource. Use the short service name (such as wuauserv) in Puppet, not the display name (such as Automatic Updates ). You can create relationships between two resources or groups of resources using the -> and ~> operators. ~> (notifying arrow; a tilde and a greater-than sign) — Applies the resource on the left first. ) (See the notes on refreshing below. Data type: Optional[String] the source file (either a puppet URI or local file) of the SELinux . However, we need to execute the semanage command to manage port settings. (To take an example from Windows, you would use "wuauserv" rather than "Automatic. 04. 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. However, it is possible puppetry was also emerging in other. 1. ---yum::managed_repos:. First you construct the hash with your keys: This page provides a reference guide for Puppet 's built-in types: package, file, service, notify, exec, user, and group. The stdlib file_line resource is very close to what I need. Resource-like declarations. I can fix this manually. If set to a string beginning with . And after that, run puppet agent with pluginsync enabled, and you can use custom type like this:. 1 Answer Sorted by: 1 Exec resources are not idempotent and should be avoided if possible. Since Puppet 6, this resource type has been moved to the puppetlabs/yumrepo_core module. For example:This means that you can allow other people access to the code, without access to the sensitive data in that code. 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. After the exec resource completes, we trigger a refresh of the firewalld service but with a subscribe attribute pointing to the firewall-cmd executable resource. (See the notes on refreshing below. If you remove the parameter it will also fail if the regular execution policy is set to Restricted. source_fc. exe utility (note the space after and lack thereof before the = character): exec { "install_service" : command => "$ {Sys32}sc. 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. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. 1. When working with Puppet resources, you typically don’t need to worry about idempotence; most resource providers are idempotent by design. bashrc"], refreshonly => true, } However, as @womble already pointed out, there's no point in sourcing . Less common uses. pp) file. 0. The interfaces to the various helper manifests has been changed to be more in line with Puppet file resource naming conventions. ~> (notifying arrow; a tilde and a greater-than sign) — Applies the resource on the left first. Parameters. See the filebucket resource type for more details. 1 Is there anyway to call puppet file resource from exec resource only when unless condition met? Means by default file resource shouldn't executed and it can be. They have some concrete uses though. sudo -u fred /usr/bin/echo "hola dan" Note that I used sudo -u in favor of sudo su -. This isn't how Puppet works. The commands encapsulated by Exec resources are run only after a catalog is compiled. Puppet Exec resource to apply only when a File changes. Description Executes external commands. Hot Network Questions tcpdump -vvv is not verbose enough. Resource Type: exec; Using exec on Windows ; Resource Type: file; Using file on Windows. This is especially useful when managing Windows systems, because. 0. Hot Network QuestionsI guess I could put the load / unload exec resources into an . The built-in function assert_type takes a value and a data type, and raises errors if your code encounters an illegal value. Second: The order depends on a few things. This module uses types and providers to download and manage compress files, with optional lifecycle functionality such as checksum, extraction, and cleanup. This can be used with bash on Linux, but with the PowerShell provider, it can run PowerShell on Windows and Linux nodes as well. Chapter 4. Note: You can add the sudo and privileges classes to as many agents as needed. For example, in this file resource declaration, the title is /etc/passwd: file { '/etc/passwd': owner => 'root', group => 'root', } Given your manifest, Puppet only promises that the Exec resource - if it is applied at all - will always be applied before the File resource. Puppet ’s property support has a helper method called. conf depends on whether the process is running as an administrator or not. Puppet: Could not find class. For your particular case, use a Tidy resource instead of an Exec to perform the cleanup:. 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. Exec resources do not work that way. 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. It sounds like this is exactly what you need: exec { 'test_cmd': path => $::path, command => 'cmd. notify. I want to execute an exec resource if a service is not found, skip the exec resource if the service is found. Consider. The generic way for "manually" creating a service in Windows is to use the sc. cron resource. Valid options: a string containing the path or title of the parent concat resource. There are two main ways of achieving this: using the standard resources type. This is the documentation for Puppet's built-in resource types and providers. Namevars and titles. What I am trying to solve is this: Our server code (rails) is deployed as a tar file (puppet file resource), tar file is extracted (puppet exec) and database is migrated (puppet exec). . The agent will then add the output of tar to the log. Welcome to the Open Source Puppet Sudo Users Quick Start Guide. It basically means it will notify the exec when the file is deployed and that puppet will push the file before trying to execute it. ) party is actually right-wing/conservative?. conf file is created; after the. (See the notes on refreshing below. Open a Command Prompt, type "puppet module install puppetlabs-scheduled_task --version 3. ) (See the notes on refreshing below. Description. Optional resource types for Windows. ) (See the notes on refreshing below. ] DESCRIPTION. Puppet is an open source product with a vibrant community of users and contributors. For instance, to rename the Guest account:. ), and can log the child process output and exit status. (See the notes on refreshing below. As a result, notifications are shown as a change. We have to explicitly define the priority and. Chaining arrows forming relationships between three resources, using resource references. Hot Network Questions Is there a permanent way to gain access to the Healing Domain as a Cleric whose deity doesn't include it in their portfolio?This means that when you use a resource default statement in a class, it could affect any classes or defined types that class declares. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. The Puppet “exec” resource allows users to run commands and scripts on nodes. Alternative 1:. conf file is created; after the. jar file is actually an update for an application which is running as a service. But if you want specifically to use the unless or onlyif property of an Exec resource to control whether to run that Exec's command, then you have to understand that those properties specify operating system commands to run to perform the evaluation. With metaparameters, you can change how Puppet handles specific resources. Exec['Wait for rabbitmq']. After the exec resource completes, we trigger a refresh of the firewalld service but with a subscribe attribute pointing to the firewall-cmd executable resource. Create a defined resource type by writing a define statement in a manifest ( . Optional resource types for Windows. Recall that Puppet builds a directed acyclic graph, and it computes the final ordering from traversing that graph. Inheritance is a process whereby a Puppet class can be derived from another class by using the inherits keyword. cron. It is also somewhat limited, like the acl module in that it is restricted to only what is specified. Run puppet exec command only if output file has changed. require means that the the resource passed to require must be applied before the calling resource. exec. 9 except the line: notify => Php5enmod ["upload_limits"], needs to be: notify => Exec ["php5enmod_upload_limits"], and then it works correctly. A couple of notable exceptions to this statement are the exec and augeas resources. Puppet includes many core resource types, plus you can extend Puppet by installing modules. If given a type, a name, and a series of attribute = value pairs, puppet resource will. Note the following details in this file resource example: Puppet uses a basic syntax of type { title: }, where type is the resource type. It modifies the environment of a shell that has been forked specifically for this exec resource. Parameters. The very first concept we want to introduce you to is the Puppet manifest. (3) The details in Puppet's debug output may clarify the problem for us, everything. 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. pp file: sudo vi lamp/manifests/init. Puppet 7. 0 through 3. They usually do this. puppet_pkgdmg_installed_NAME. (This is the preferred method for backup, since it can be centralized and queried. refreshonly not working with Puppet exec resource. Inline PowerShell scripts. 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. In your command prompt, run: puppet resource registry_key 'HKLM\Software\Microsoft\Windows' Puppet's if statement allows you to change the manifest behavior based on the value of a variable or an expression. Puppet can execute binaries (exe, com, bat, etc. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. It's much nicer to use a human readable explanation of what the command is for as the execs name and then put the actual command in the command property. Manages mounted filesystems, including putting mount information into the mount table. Each resource describes the desired state for some aspect of a system, like a specific service. This page provides a reference guide for the core Puppet types: package, file, service, notify, exec, cron, user, and group. If. It should probably be php::php5enmod () and have it's own file. Resource Types include things like: exec; file; group; host; interface; notify; package; scheduled_task; service; user. file or service resources works perfectly. ). You can use the Events page to analyze the root causes of events resulting from a Puppet run. I am trying to run a Powershell command directly using Puppet exec resource instead of specifying path to the Powershell script. If a given resource is already in the desired state, Puppet performs no actions. 2 install on Ubuntu 18. Ensures that a given line is contained within a file. The default search pattern is the name of the service, but you can specify it with the pattern attribute. 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. pp file. ca Nature’s Garden Seed Company - Victoria BC, Phone 250-595-2062. Specifies the destination file of the fragment. I would like to add a number of control gates into my manifest via onlyif and unless. When I run puppet agent -t on my client it runs and recognises an Exec command which is triggered from a refresh event. You should use per-resource default attributes when possible. In this example, the ntp package must be installed before the ntp. exec { 'foobar': command => 'foo | bar', } However, there are occasions where foo fails. Start the Puppet agent with this command puppet resource service puppet ensure=running. I want to execute a shell command/script using puppet only when a file exists in particular path. Optional resource types for Windows. user. The optional :parent argument should be the name of a parent class. By default, an Exec resource is applied on every run. Parameters change how Puppet manages a resource, but do not necessarily map directly to something measurable. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. 3. Puppet's basic assumption is, that when the code to update a resource has finished, then the resource is in the desired state, period. The powershell module adapts the Puppet exec resource to run PowerShell commands. 0. If a resource subscribes to another resource, then Puppet tries to "refresh" that resource if the resource it is subscribed to changes state. 0. In Puppet, resources are known as fundamental modeling unit which are used to manage or modify any target system. That is mediated, where desired, by the resource's unless, onlyif, and / or creates parameters, as described in that resource type's documentation. Puppet trigger resource only if other resource applied a change? Related. Either variant works equally fine. Running Powershell command directly using Puppet exec resource. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. Puppet ’s property support has a helper method called. Puppet: How to execute a Exec resource if another Exec resource failed. puppet parser validate [ manifest] [ manifest. pp. With metaparameters, you can change how Puppet handles specific resources. rabbitmq'] will be applied before . Resource definition: the type. class { selinux: mode => 'enforcing', type => 'targeted', } This will include the module and manage the SELinux mode (possible values are enforcing, permissive, and disabled) and enforcement type (possible values are targeted, minimum, and mls ). And i want to notify an exec resource if there is a change in any one of the template files. ##Usage. Implemented via types and provider instead of exec resource. Iteration functions. Default 0. Puppet provides a built-in exec type that is capable of executing commands. Specifies the file to look for before running the command. Open a new shell, or use exec bash to update your PATH. By default, you must at least provide a type to list, in which case puppet resource will tell you everything it knows about all resources of that type. Ensures that a given line is contained within a file. and many more (including the. –Despite the -ExecutionPolicy parameter the PowerShell command will fail if execution is restricted via group policy. The period of repetition for resources on this schedule. 7. pp --ordering=random ). ) Default value: puppet, which backs up to a filebucket of the same name. Takes a single numeric value as an argument. bolt task show : This instructs Bolt to list all of the tasks it knows about. 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. If you really care about the 80cols limit you can always abuse a template to achieve that goal. pp). (This is the preferred method for backup, since it can be centralized and queried. Newer versions of Puppet default to on_error, which would be fine for your case, too. When this attribute is set, this resource is applied before the notified resources. Selecting the wrong one for a particular task is going to make your life. Resources can be limited to a schedule by using the schedule metaparameter. Selector expressions. This is the documentation for Puppet's built-in resource types and providers. In the minimal example above we first give the command a. Include-like behaviorEDIT: The below works if you're using puppet apply but not otherwise, because the find_file function is evaluated during catalog compilation. The resources type fits basic needs, by allowing to purge all resources not managed by Puppet. Thank you for your replay John. The ensure (see ensurable. ) (See the notes on refreshing below. The actual behavior depends on the value of the ‘ensure’ parameter. So use this resource for specific case like when it receives events by using the refreshonly parameter. , adding a search path for exec resources or controlling directory recursion on file resources). If you want to indicate whether those. Puppet contains resource types to manage some SELinux functions, such as Booleans and modules. Note the following details in this file resource example: Puppet uses a basic syntax of type { title: }, where type is the resource type. /usr/local/bin/pip install nltk. exec { "initialize-footool": require => Package ["footool"] } file { "/etc/default/footool": before => Exec ["initialize-footool"] } read more like english than just requires on the exec. When running Puppet commands on Windows, note the following: The location of puppet. The creates parameter is probably not appropriate for this particular case, so choose one of unless or onlyif. Adapts the Puppet exec resource to run PowerShell Core commands. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. Using service on macOS. Execute puppetserver ca sign --certname puppet-agent1. - K Hong. The . You can also set variables within the manifest, which can change the. Puppet code is composed primarily of resource declarations. Create a defined resource type by writing a define statement in a manifest ( . When installing the packages from a DMG, this provider writes a file to disk at /var/db/. filter by arbitrary "foo_update" # tag and relate it to all Package resources Exec. bashrc'", subscribe => File ["/root/. 5. For example, we changed the Puppet manifest from the above to:To use sudo non-interactively, the invoking user needs a NOPASSWD: entry in sudoers %wheel ALL=(fred) NOPASSWD: /usr/bin/echo "hola dan" Then. Resources cover all the aspects of a system such as file, service, and package. 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. The best way how make decisions based on package version is to create a custom fact in some module lib/facter/apache_version. The if condition is evaluated first and, if it is true, the if code block is. (See the notes on refreshing below. ) (See the notes on refreshing below. approved. Classes are named blocks of Puppet code that are stored in modules and applied later when they are invoked by name. century BC. Modules that meet Puppet's standards for being well written, reliable, and actively maintained. 1. The changes parameter gets passed a hash of change requests, keyed by the resource's name. When Puppet applies a catalog to the target system, it manages every resource in the catalog, ensuring the actual state matches the desired state. A stringified regular expression. We need to create a manifest file to generate the schedule for our PowerShell script. How to use puppet to install and configure custom app? 6. Resource Type: exec; Using exec on Windows ; Resource Type: file; Using file on Windows. -> (ordering arrow; a hyphen and a greater-than sign) — Applies the resource on the left before the resource on the right. Catalogs. The default behavior is to report the exit code only for the last command in the pipeline. For example, you can: Add metadata to a resource with the alias or tag metaparameters. specified as a string, to the agent run-time log. 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. Tip: If you're installing Puppet Server on Ubuntu, use bash . Several resource types (including file, exec, and package) take file paths as values for various attributes. By default, Puppet apply does not communicate over the network. Then you could add an unless attribute: unless => "test $(</var/tmp/last_run) == $(date +%d)"puppet resource package The motivation behind this is mostly performance. Containment is what controls the order in which the various parts of your Puppet code are executed. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. 1" and hit Enter. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. It does not directly modify /etc/passwd or anything. That command will always return 0 (true): it just tests whether the given string is nonempty. Providers. Providers implement the same resource type on different kinds of systems. 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. Additional resource types are distributed in Puppet modules. Hence, I used an exec resource, relying on Powershell, just before the dsc resource:In case of Puppet 5, you can find more information in the Puppet docs. Puppet agent. (Just tested similar configuration with Puppet 2. The main difference is that enable and ensure are much more closely linked — running services are always enabled, and stopped ones are always disabled. 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. case statements. I have a puppet file with an exec resource and create_resources function. Puppet Exec resource to apply only when a File changes. txt. (See the notes on refreshing below. (Puppet automatically creates a local filebucket named puppet if one doesn’t already exist. If you are using Puppet 3. puppet apply -e "exec { '/usr/bin/false': }" Notice: Compiled catalog for alexs-macbook-pro. Puppet Exec resource to apply only when a File changes. do, line 50) cannot accept an array of options. If a mount receives an event from another resource and its ensure. Puppet contains resource types to manage some SELinux functions, such as Booleans and modules. Each resource describes some aspect of a system, like a specific service or package. This tool is a part of the policycoreutils-python package, which is not installed on Red Hat Enterprise Linux systems by default. 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. exec { 'nagios-permissions': command => "/usr/bin/chown -R nagios:nagios $ {confdir}", onlyif. First I would like to use booleans as defined in Hiera [ auto lookup function ]. 0. Any command in an exec resource must be able to run multiple times without causing harm --- that is, it must be idempotent. This does not override the onlyif parameter. They take a control expression and a list of cases and code blocks, and will. Additional resource types are distributed in Puppet modules. Add classes from the privileges and sudo modules to your agents. Any command in an exec resource must be able to run multiple times without causing harm --- that is, it must be. The command runs only if the file doesn't exist. The exec resource type executes external commands on the client. Locate the package you just installed, and copy the name that Puppet resource reported for it. Refresh: mount resources can respond to refresh events (via notify, subscribe, or the ~> arrow). 2. 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. 11). ), and can log the child process output and exit status. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. 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. In other words, I'm trying to manage the content of that directory fully. At least one of the two must be specified. There are a few important parameters to use when writing an exec resource with PowerShell. Resource references are a useful subset of this data type family. I am trying to solve the issue with having the old server. 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. ). To install packages into a directory controlled by a non-root user, you can either use an exec to unzip a tarball or use a recursive file resource to copy a directory into place. give it a "high level" description of what you want (using the jboss::apps defined type), and include a description of what it is (by including the corresponding modules on the client); provide a. Puppet Server and Puppet ’s companion utilities Facter and Hiera, have their own CLI. The most common Puppet’s Resources are Listed below. The exec has refreshonly => true, which only allows Puppet to run the command when some other resource is changed.