Puppet is an open source product with a vibrant community of users and contributors. Note the following details in this file resource example: Puppet uses a basic syntax of type { title: }, where type is the resource type. If you want to use a non-default port, change the serverport setting on all agent. it must. I would like to add a number of control gates into my manifest via onlyif and unless. It's important to note that the notify resource type is not idempotent. ) A caution: There’s a widespread tendency to use collections of execs to manage resources that aren’t covered by an existing resource type. Puppet will not automatically retrieve source files for you, and usually just passes the value of source to the package installation command. Puppet provides tools to automate managing your infrastructure. This function is backwards compatible with the same function in stdlib and accepts a Numeric value. Puppet Exec Resource. pp) file. 1 Answer. txt', This command will write the following text to /tmp/output. Other core types. You can create relationships between two resources or groups of resources using the -> and ~> operators. The command will only run if the file doesn't exist. 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. Refresh: mount resources can respond to refresh events (via notify, subscribe, or the ~> arrow). To make an exec resource fit into Puppet’s model better, you should use one of the following parameters instead. 1. 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). For example, the value String represents the data type of strings. The provide method takes three arguments plus a block: The first argument must be the name of the provider, as a :symbol. Iteration functions. 2. ), and can log the child process output and exit status. 1. ; The vvalue before the : is the resource title. require means that the the resource passed to require must be applied before the calling resource. Optional resource types for Windows. Yes, and yes. Directory separators in file paths. Tip: Iteration functions take an array or a hash as their main argument, and iterate over its values. Puppet contains resource types to manage some SELinux functions, such as Booleans and modules. It is used to enforce property values such as owner, mode etc. Catalogs. Compares the actual state to the desired state. It would be quicker (and dirtier) to use an Exec resource to run an appropriate command: exec { 'ensure correct file permissions': command => 'chmod 0644 $(/bin/grep file. 3 ones are listed in a single page here. 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. A resource declaration adds a resource to the catalog and tells Puppet to manage that resource’s state. When Puppet runs, it applies the exec resource by running the command: command => '/bin/echo `/bin/date` >/tmp/output. Namevars and titles. A resource declaration is an expression that describes the desired state for a resource and tells Puppet to add it to the catalog. To manage a group of resources in a specific order, explicitly declare such relationships with relationship metaparameters, chaining arrows, and the require function. Some providers may also accept URLs or network drive paths. notify. Resources are the fundamental unit for modeling system configurations. Resource-like declarations. The Puppet “exec” resource allows users to run commands and scripts on nodes. The very first concept we want to introduce you to is the Puppet manifest. Resources are the fundamental unit for modeling system configurations. It sounds like this is exactly what you need: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-service should be stopped only if file exists. , for example, the Exec resource being evaluated but its command not run). Puppet can run binary files (such as exe , com , or bat ), and can log the child process output and exit status. In this example, the ntp package must be installed before the ntp. (This is the preferred method for backup, since it can be centralized and queried. ” These values represent the other data types. Puppet agent runs as a specific user, by default LocalSystem, and initiates outbound connections on port 8140. If a given resource is already in the desired state, Puppet performs no actions. Normally in Bash I use echo and in a manifest I use notify. g. The most common Puppet’s Resources are Listed below. On an upgrade we are pushing a new tar-file to the puppet master and let puppet update the server. -> (ordering arrow; a hyphen and a greater-than sign) — Applies the resource on the left before the resource on the right. 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. Note that disabling SELinux requires a reboot to fully take effect. It requests a configuration catalog from a Puppet. The RESOURCE_TYPE is how you tell Puppet the type of resource you’re declaring. Several attributes, such as the relationship metaparameters, require resource references. 10. It must be either a local disk path or an HTTP, HTTPS, or FTP URL to the package. The Forge is an online community of Puppet modules submitted by Puppet and community members. Parameters change how Puppet manages a resource, but do not necessarily map directly to something measurable. Mutually excludsive with using source files. Ok then an isolated source /etc/profile in an exec resource will not achieve this for you. ), and can log the child process output and exit status. exec { 'foobar': command => 'foo | bar', } However, there are occasions where foo fails. 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. In your command prompt, run: puppet resource registry_key 'HKLM\Software\Microsoft\Windows' 1. 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. As a result, you cannot write a single pattern that matches all the files you want to remove. – Felix Frank. (To take an example from Windows, you would use "wuauserv" rather than "Automatic. You can't use exec resources as conditional logic for other resources like this. --modulepath C:modules : As tasks are located in Puppet modules, we need to tell Bolt where the modules are located. Yes, and yes. 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. exec. filter by arbitrary "foo_update" # tag and relate it to all Package resources Exec. You can use it to execute commands and shell scripts of your choosing, but there is an important caveat. This can be used with bash on Linux, but with the PowerShell provider, it can run PowerShell on Windows and Linux nodes as well. Since exec resources can be used to perform virtually any operation, they are sometimes abused to stand in for more proper resource types. Ensures that a given line is contained within a file. exec { 'chkconfig': command => "/sbin/chkconfig --add $ {shutdown_script}", require => File ['shutdown-script'] } This is actually your root cause here. For example, the user type’s managehome attribute is a parameter — its value affects what Puppet does, but the question of whether Puppet is managing a home directory isn’t an innate property of the user account. txt. You should probably look at doing this some other way. (↑ Back to. When Puppet applies a catalog to the target system, it manages every resource in the catalog, ensuring the actual state matches the desired state. When a resource is "changed", then it notifies any resources subscribed to its own change. refreshonly. 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. (See the notes on refreshing below. exec { 'echo /my/update/script | at now+10min': } so that the puppet agent process is not the parent of the yum instance that will do all the work. (2) it is unclear from your description whether the Exec's command is actually run (vs. When using execs, make sure the command can be. d. Other core types. 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. (Puppet automatically creates a local filebucket named puppet if one doesn’t already exist. 0. Puppet provides a built-in exec type that is capable of executing commands. That is, if there is a change in 2 or more files, then the exec resource have to be called only once. 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. How to stop Puppet applying a configuration when there is an error? 1. exec. In some cases, a partial or corrupted download may wedge this process. Puppet can resolve variables that are included in double-quoted strings; this is called interpolation. An additional exec resource might be used to test and correct for this case automatically. A common workaround for this kind of issue is to manage the entity in question with two or more resources. Declaring providers. Specifying file owner, group, or mode for file-based settings is not supported on. 2 and are. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. ~> (notifying arrow; a tilde and a greater-than sign) — Applies the resource on the left first. Puppet exec command with variable not executed. 6 will trigger a notify if the package version changes outside of puppet's control. Puppet can execute binaries (exe, com, bat, etc. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. I have a puppet file with an exec resource and create_resources function. See the Puppet Type Reference for the exec resource and look for unless and onlyif. . local. exec power shell script having corrective action every time. The most prominent exception among Puppet resources is the exec resource type, which is idempotent but relies on the user to design them accordingly. Ports. Puppet agent is a core service that manages systems, with the help of a Puppet primary server. This is what I have so far:{"payload":{"allShortcutsEnabled":false,"fileTree":{"lib/puppet/type":{"items":[{"name":"file","path":"lib/puppet/type/file","contentType":"directory"},{"name. 0. The name of the resource must be the filename (without path) of the DMG file. 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 ). Puppet is declarative - you tell it what state you want a system, and it goes and creates it. 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. 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. Puppet ’s property support has a helper method called. com to sign the CSR. Puppet is about describing state and making sure things only have to run once. I'm just suggesting a possible reason for the downvote on your answer, regardless of whether it was strictly-speaking. Puppet User and GroupPuppet::Type. By default, Puppet ’s HTTPS traffic uses port 8140. As a result, the chown in the main command always is run, and that is reported. The creates parameter is probably not appropriate for this particular case, so choose one of unless or onlyif. This resource type uses the prescribed native tools for creating groups and generally uses POSIX APIs for retrieving information about them. Adapts the Puppet exec resource to run PowerShell Core commands. Puppet can run binary files (such as exe , com , or bat ), and can log the child process output and exit status. Resource relationship chaining arrows. But that's ok, because Puppet also tracks a queue of resources. ” There is also a set of values whose data type is “data type. You can declare a resource of a defined type in the same way you would declare a resource of a built. Is it possible to exec resource only when another exec resource is failed. Execute create_resource after everything has finished or after exec has finished. The if condition is evaluated first and, if it is true, the if code block is. exec { "Change status and start-up of Win service": command => 'C:WindowsSystem32WindowsPowerShellv1. I am trying to run a Powershell command directly using Puppet exec resource instead of specifying path to the Powershell script. You can read more about it here. Archived documentation. Puppet code is composed primarily of resource declarations. But, it works with exec-resources, with refreshonly-parameter. (3) The details in Puppet's debug output may clarify the problem for us, everything. It becomes your responsibility as the user to define the appropriate queries per resource. Selector expressions. I would like to simply set a few environment variables in the . 1 Answer. You will seldom need to specify this — Puppet will usually discover the appropriate provider for your platform. Resource defaults declared in the local scope override any defaults received from parent scopes. , adding a search path for exec resources or controlling directory recursion on file resources). conf file is created; after the. The behaviour changed between Puppet 3 and 4. Creating resources. There is another metaparameter, subscribe. However, when the user specifies auto_restart_service = false the service will still restart since the service resource is refreshed when the class is notified. You can create relationships between resources or groups of resources using the -> and ~> operators. Install Puppet Agent on bulk windows server. Several resource types (including file, exec, and package) take file paths as values for various attributes. I have written a user define type which downloads a file using wget and stores in /root. Technically, you could use: exec { "root_bashrc": command => "bash -c 'source /root/. (See the notes on refreshing below. Puppet contains resource types to manage some SELinux functions, such as Booleans and modules. ), and can log the child process output and exit status. This documentation applies to Puppet ≥ 2. This syntax is optional, but it helps to avoid ambiguity and allows variables to be placed directly next to non. Other built-in types. A stringified regular expression. With the exec resource type considered the last ditch, its refreshonly parameter should be seen as especially outrageous. in. ; The vvalue before the : is the resource title. 1. Pay extra attention to the “ exec { ‘change master’ : ” section, where it means a MySQL command will be executed to initiate the replication link if the condition is met. Working in IT, it is part of the of the job to back the right horses. Takes a single numeric value as an argument. Meanwhile, the subscribe metaparameter i conjunction with refreshonly => true declares that the resource should be applied if and only if the. Regular expression. * Given your manifest, Puppet only promises that the Exec resource - if it is applied at all - will always be applied before the File resource. , adding a search path for exec resources or controlling directory recursion on file resources). First: Puppet does not run anything in parallel. Resource Type: exec; Using exec on Windows ; Resource Type: file; Using file on Windows; Resource Type: filebucket; Resource Type: group; Using user and group on Windows;. (To take an example from Windows, you would use "wuauserv" rather than. General comment: With this many exec resources, you definitely want to write a shell script instead that gets invoked by Puppet when there is something to do, through a single exec resource. Here is an example on how you can use this:Using service on macOS. You should add all relevant directories as resources instead. Answer. ). group. 0. How do I do this? Similar to referencing File['name']. Puppet File resource runs despite Exec unless. This can be used with bash on Linux, but with the. Several resource types (including file, exec, and package) take file paths as values for various attributes. 0. I tested using an Exec with an unless parameter that emits the message, but Puppet does not seem to print the output of the unless command. So use this resource for specific case like when it receives events by using the refreshonly parameter. The exec has refreshonly => true, which only allows Puppet to run the command when some other resource is changed. Puppet 6. (Namevar: If omitted, this attribute's value defaults to the resource's title. Back to overview of ora_exec. Resource tips and examples: Exec on Windows. The period of repetition for resources on this schedule. For your specific case, perhaps running puppet in verbose or debug mode will work. user. 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. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. For example, you can: Add metadata to a resource with the alias or tag metaparameters. password is not getting changed to the default password and also. If necessary, changes the system to enforce the desired state. The ordering arrow is a hyphen and a greater-than sign ( -> ). macOS handles services much like most *nix -based systems. pp) is the main file that Puppet uses to define global system configuration. For your particular case, use a Tidy resource instead of an Exec to perform the cleanup:. The optional :parent argument should be the name of a parent class. Ensures that a given line is contained within a file. I'll take a look at how some of the other modules are achieving this. Hot Network QuestionsConditional execution of puppet defined resource type through exec. ). Resource relationship chaining arrows. Recall that Puppet builds a directed acyclic graph, and it computes the final ordering from traversing that graph. Create a defined resource type by writing a define statement in a manifest ( . rspec-puppet unit test for define type using resource. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. Each value in the Puppet language has a data type, like “string. If Puppet is managing any role accounts corresponding to the user’s roles, the user resource will autorequire those role accounts. In simple cases, "applying" an Exec involves running its command, and the success or failure of the resource is based on the command's exit status. A String that can be converted to a floating point number can also be used in this version - but this is deprecated. The exec resource type executes external commands on the client. But that's ok, because Puppet also tracks a queue of resources. Tip: Iteration functions take an array or a hash as their main argument, and iterate over its values. The benefits over existing modules such as puppet-staging: Implemented via types and provider instead of exec resource. By default, Puppet ’s HTTPS traffic uses port 8140. Resource Type Reference (Single-Page) Built-in types This page provides a reference guide for Puppet 's built-in types: package, file, service, notify, exec, user, and group. A catalog is a document that describes the desired state for each resource that Puppet manages on a node. It modifies the environment of a shell that has been forked specifically for this exec resource. A manifest is a file containing Puppet configuration language that describes how resources should be configured. It does not directly modify /etc/passwd or anything. Expand Resources are the fundamental unit for modeling system configurations. exec { 'chage': path => '/usr/bin/', command => 'chage -d 0 askar', subscribe => File ['askar'], refreshonly => true, } } I then verified that after applying the refreshonly parameter , the. Short answer: no. Puppet have a defined resource fail if a variable is set to undef. Several resource types (including file, exec, and package) take file paths as values for various attributes. refreshonly. ) (See the notes on refreshing below. No find command is run; the test just passes by examination of the argument. 1 Answer Sorted by: 1 The pasted code isn't really valid Puppet code, it's hard to guess what it's supposed to do. Puppet resources are idempotent, because they describe a desired final state rather than a series of steps to follow. Create exec resources with metadata to ensure it is idempotent. They usually do this. d/x' is present. It also marks the resource as changed in the report; when you view Puppet Dashboard, you wonder why the servers have changed every 30 mins, even though the configuration of the server hasn’t physically. 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. Puppet runs exec commands outside of an interactive shell for simplicity and security. Iterative functions accept a block of code and run it in a specific way: each - Repeats a block of code. Resource 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. Puppet offers expert training in methods that work best for you. 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. When running Puppet commands on Windows, note the following: The location of puppet. ) (See the notes on refreshing below. 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. 9 except the line: notify => Php5enmod ["upload_limits"], needs to be: notify => Exec ["php5enmod_upload_limits"], and then it works correctly. Note: You can add the sudo and privileges classes to as many agents as needed. Conditional statements let your Puppet code behave differently in different situations. ) The name of the service to run. This tool is a part of the policycoreutils-python package, which is not installed on Red Hat Enterprise Linux systems by default. 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. Hence, I used an exec resource, relying on Powershell, just before the dsc resource:If the exec resource apt_update is notified, apt-get update runs regardless of this value. This will trigger the apt-get-update-private-repo exec resource on every puppet run even if nothing changed in the repository. user. It uses its local collection of modules for any file sources, and does not submit reports to a. [puppet master ip] puppetmaster puppet [puppet client ip] puppetclient I understand that remote-exec runs after the resource is created. So, when Puppet applies a catalog built from your code, it will firstly apply the Exec resource, i. 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. Instead of using loop keywords, the Puppet language uses iterative functions that accept blocks of code called lambdas. Moreover, the test command tests for the existence of a the specified path. It can build a catalog from the manifest (e. However, we need to execute the semanage command to manage port settings. If you do need to do it via say the exec resource, then @16c7x's statement is correct. Yes, see my example. An exec type resource will generally be run on. Default value: undef. You can, however, write several patterns that collectively match all the files. sudo -u fred /usr/bin/echo "hola dan" Note that I used sudo -u in favor of sudo su -. As a last resort, Puppet will attempt to search the process table by calling whatever command is listed in the ps fact. There are a large number of built-in resource types and the Puppet 5. 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):. A manifest is a file containing Puppet configuration language that describes how resources should be configured. Execute puppetserver ca sign --certname puppet-agent1. Puppet supports most of the conditional structures you can find with traditional programming languages, like if/else and case statements. 1. Default path for exec resource with forman and puppet. In this example, the title is C:Tempfoo. Puppet supports if and unless statements, case statements, and selectors. I'm trying to configure APT to not install recommended packages. 0. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. It is also somewhat limited, like the acl module in that it is restricted to only what is specified. The onlyif parameter is defined as. Just. There are times when you have a complex script that you just need to get into configuration management. Containment is what controls the order in which the various parts of your Puppet code are executed. If exec after create_resources than those keys will not be in the the key/value store as the refresh will remove them. In fact, no resource works that way, or any way remotely like that. Improve this answer. creates. The implementation matches the full line, including whitespace at the beginning and end. For example, if you manage nginx with puppet, and want to upgrade it, puppet needs to probably stop the service before it updates the code dir and then start it again. If the task fails (returns non zero), catching this is basically /bin/long-running-task || <err catching code>. exec {. In this example, the ntp package must be installed before the ntp. Default value: undef. If you really care about the 80cols limit you can always abuse a template to achieve that goal. This seems to work just fine. What you present has no chance of working anything like how you intend. A complete service resource is very simple: service { 'mysql': ensure => 'running', enable. 24 and 7. My manifest is as follows: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. More advanced usage. These are command. puppet resource exec order for an array of items mapped to metaparameters. ” These values represent the other data types. Among them, notice (), info (), and debug () seem the. Analyzing changes and failures. The derived. As of Puppet 4. pp file. Service['dev. case statements. For each resource Puppet determines whether it needs a sync, and then acts accordingly, all in one step. However, unfortunately, there is no way to make file_line match over multiple lines and replace with new content. Puppet - How to purge a directory. Puppet ’s command line interface (CLI) consists of a single puppet command with many subcommands. do the exec only when notfied. You can use the Events page to analyze the root causes of events resulting from a Puppet run.