txt. txt : With the node definition: # manifests/site. Note that I used sudo -u in favor of sudo su -. For example, to view the free disk space of a host, run: With. I think the unzip command belongs to info-zip. Hot Network QuestionsConditional execution of puppet defined resource type through exec. ) The group name. ) The name of the service to run. There are times when you have a complex script that you just need to get into configuration management. (3) The details in Puppet's debug output may clarify the problem for us, everything. 7. You must add a dummy exec-resource:This means that when you use a resource default statement in a class, it could affect any classes or defined types that class declares. 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. source_fc. In your command prompt, run: puppet resource registry_key 'HKLM\Software\Microsoft\Windows' 1. pp --ordering=random ). filter by arbitrary "foo_update" # tag and relate it to all Package resources Exec. 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. If a resource subscribes to another resource, then Puppet tries to "refresh" that resource if the resource it is subscribed to changes state. I then want to call 'exec' on each of these files with the former command and use the file name as an argument. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. See the Puppet Type Reference for the exec resource and look for unless and onlyif. Puppet agent. This is just to show the general concept. notify. There is also a second puppet exec resource that uninstalls 7-zip, lets call it uninstall-7-zip. What you would need is a way to implement this process: check if resource A (a package, say) needs a sync action (e. A resource declaration adds a resource to the catalog and tells Puppet to manage that resource’s state. 0. Puppet contains resource types to manage some SELinux functions, such as Booleans and modules. notify. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. 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;. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. Exec is a very useful resource type present in Puppet which is used to executes external commands. To manage a group of resources in a specific order, explicitly declare such relationships with relationship metaparameters, chaining arrows, and the require function. You should probably look at doing this some other way. create_resource has it's own condition weather it will execute but it needs to be called every time just after the exec. ) (See the notes on refreshing below. This resource type uses the prescribed native tools for creating groups and generally uses POSIX APIs for retrieving information about them. There are two main ways of achieving this: using the standard resources type. selinux::fcontext. approved. Other core types. The name of the resource must be the filename (without path) of the DMG file. puppet apply -e "exec { '/usr/bin/false': }" Notice: Compiled catalog for alexs-macbook-pro. onlyif. Puppet supports if and unless statements, case statements, and selectors. To encrypt sensitive data with hiera-yaml, run through the following steps: Install hiera-eyaml: puppetserver gem install hiera-eyaml. Several resource types (including file, exec, and package) take file paths as values for various attributes. 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. You can access archived-in-place docs using their original URLs, or from the links here. To override. The exec type is a good catch all solution because it can manage virtually anything. 10. That means this approach checks the existence of /path/to/directory/. Defined resource types , sometimes called defined types or defines, are blocks of Puppet code that can be evaluated multiple times with different parameters. It must be either a local disk path or an HTTP, HTTPS, or FTP URL to the package. Resource Types include things like: exec; file; group; host; interface; notify; package; scheduled_task; service; user. 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. Optional resource types for Windows. Optional resource types for Windows. Is it possible to exec resource only when another exec resource is failed. exec {'VeryLongExec': command => template ("$ {module}/verylongexec") } Then put the actual command in that template. g. Puppet exec resource; Puppet classes and modules; Puppet Forge modules; Puppet Express; Puppet Express 2; Puppet 4 : Changes; Puppet --configprint; Puppet with Docker; Puppet 6. exe -NoProfile -NoLogo -NonInteractive -Command "& {set-service Spooler -Status Running. Those resources have a refresh method called on them, that does whatever that type requires. Execute create_resource after everything has finished or after exec has finished. The file type can manage normal files, directories, and symlinks; the type should be specified in the ensure attribute. File contents can be managed directly with the content attribute, or downloaded from a remote source using the source attribute; the latter can. (See the notes on refreshing below. Teams. Install Puppet Agent on bulk windows server. A resource describes something about the state of the system, such as a certain user or file should exist, or a package should be installed. (See the notes on refreshing below. For information on all core types, including supported types in the puppet-agent package, see. 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. This is the documentation for Puppet's built-in resource types and providers. For instance, if you wanted to rename the Guest account. exe /c C:/test. Now you will want to use the puppet apply command to execute the manifest. For detailed information about built-in types, see the Resource type reference. Your operating system and firewall must allow Puppet agent to initiate outbound connections on this port. wow! My recommendation is: throw it away and start over. These are command. The Puppet exec resource has OnlyIf and Unless attributes which can be used to limit when the command is invoked; e. Here is an example on how you can use this:Using service on macOS. (See the notes on refreshing below. If you do need to do it via say the exec resource, then @16c7x's statement is correct. specified as a string, to the agent run-time log. This can be used with bash on Linux, but with the. exec. do. refreshonly. Is there an easy way to do this with the content attribute?. If you want to add variables to your commands' (quite sparse) environments then the environment parameter of the Exec resource is usually the most appropriate way to do it, but you cannot use command substitutions there. Puppet contains resource types to manage some SELinux functions, such as Booleans and modules. , adding a search path for exec resources or controlling directory recursion on file resources). Each resource describes the desired state for some aspect of a system, like a specific service or package. Resource Type: exec; Using exec on Windows ; Resource Type: file; Using file on Windows. --modulepath C:modules : As tasks are located in Puppet modules, we need to tell Bolt where the modules are located. sudo -u fred /usr/bin/echo "hola dan". EDIT: The below works if you're using puppet apply but not otherwise, because the find_file function is evaluated during catalog compilation. Puppet agent is a core service that manages systems, with the help of a Puppet primary server. txt”) for my Puppet node. I think that, by default, the puppet exec resource should fail if any of the "single commands" fail (as in the second example). Description. Hot Network Questions Online shopping: order date vs shipping date vs charge date Recent advances in computer science since 2010? Useful ideas in category theory which violate the principle of equivalence Can I lessen the use of boolean flag variables in this snippet?. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. Parameters change how Puppet manages a resource, but do not necessarily map directly to something measurable. When a resource is "changed", then it notifies any resources subscribed to its own change. When installing the packages from a DMG, this provider writes a file to disk at /var/db/. If omitted, this attribute’s value defaults to the resource’s title. group. Resource-like declarations. Sorted by: 1. Yes, via the notify meta-parameter. bolt task show : This instructs Bolt to list all of the tasks it knows about. Multiple resources may be declared to manage multiple lines in the same file. It is messy and not best practice though. Puppet: How to execute a Exec resource if another Exec resource failed. Ports. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. When Puppet applies a catalog to the target system, it manages every resource in the catalog, ensuring the actual state matches the desired state. First you construct the hash with your keys: I am running Puppet v3. Add classes from the privileges and sudo modules to your agents. I have the following puppet configuration: An Archive resource (A) that executes only if the folder /opt/dir doesn't exist yet; An Exec resource (E0) that mounts a SAMBA share where to retrieve the archive; An Exec resource (E1) that unmounts the same SAMBA share; At the moment, A requires E0 and when done, executes. And the exec command will execute onlyif the file '/etc/init. (To take an example from Windows, you would use "wuauserv" rather than "Automatic. You can create relationships between two resources or groups of resources using the -> and ~> operators. If you want to indicate whether those. I am trying to run a Powershell command directly using Puppet exec resource instead of specifying path to the Powershell script. Just. 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. Classes are named blocks of Puppet code that are stored in modules and applied later when they are invoked by name. ” These values represent the other data types. Chapter 4. An exec resource, which starts a powershell script, which starts a PowerShell process, which starts a CMD process, which runs a batch file (with an invalid path), which runs another batch file, which processes some kind of response file. – Matthew Schuchard. Puppet User and GroupPuppet::Type. I have a class that executes a DSC resource, but required to wait for 20 seconds, before it executes it. Each one is expected to specify. I'm trying to get a list of applied resources of a specific type to use their attribute values. The Forge makes it easier for you to manage Puppet and can save you time by using pre-written modules, rather than writing. Easiest (and hackyiest) solution is to just add a && true to the end of your command, so it will return 0 and not fail. Puppet is an open source product with a vibrant community of users and contributors. Now create and edit your module’s init. Puppet supports most of the conditional structures you can find with traditional programming languages, like if/else and case statements. If a given resource is already in the desired state, Puppet performs no actions. Puppet contains resource types to manage some SELinux functions, such as Booleans and modules. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. 5. Re-writing scripts into manifests is time-consI have a Puppet manifest with three exec resources: exec { 'test1': command => "bla1", require => File['test'], } exec { 'test2': command => "bla2", require =>. 0. 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. (See the notes on refreshing below. name. Install the saz-sudo module as the foundation for managing sudo privileges. Ensures that a given line is contained within a file. 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. It is also somewhat limited, like the acl module in that it is restricted to only what is specified. How to setup and checkout a git repository with vcsrepo in puppet using ssh. ). The source attribute is mandatory. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. The Puppet “exec” resource allows users to run commands and scripts on nodes. 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. You can use it to execute commands and shell scripts of your choosing, but there is an important caveat. A resource declaration is an expression that describes the desired state for a resource and tells Puppet to add it to the catalog. How to stop Puppet applying a configuration when there is an error? 1. I have a custom resource (define) that creates a file in a particular directory. 4+, your original code would be possible. Consider. The obvious drawback is that the exec will have to be tailored to your agents (what do you know - there's a point to Puppet's type system after. If you really care about the 80cols limit you can always abuse a template to achieve that goal. Puppet: Exec from class when Exec from another class is successful. Puppet agent. You are misundersanding how Puppet works. Providers implement the same resource type on different kinds of systems. Earlier versions may behave differently. 1 Answer. Resources are the fundamental unit for modeling system configurations. When installing the packages from a DMG, this provider writes a file to disk at /var/db/. The command should only be run as a refresh mechanism for when a dependent object is changed. 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). Fortunately, Puppet also allows users to change the provider used for the exec resource to PowerShell, so that Windows Puppet nodes will run PowerShell commands. Iteration functions. Execute resource in Puppet if another resource fails. txt', This command will write the following text to /tmp/output. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. It modifies the environment of a shell that has been forked specifically for this exec resource. The statement itself is simple but the class doesn't contain any built-in conditional checks (similar to "unless =>" in exec class). Exec; 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. Renaming a file is specifying how to a achieve a desired state - it’s an imperative. 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. 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. 1. Exec tips and examples for Windows; file; File tips and examples for Windows. This tool is a part of the policycoreutils-python package, which is not installed on Red Hat Enterprise Linux systems by default. – Felix Frank. Apart from all that, it is good practice with Puppet to actually deploy wrapper scripts that your exec. A common workaround for this kind of issue is to manage the entity in question with two or more resources. When puppet runs, it will check the status of the package and service and will perform actions as necessary to get to the. It is also somewhat limited, like the acl module in that it is restricted to only what is specified. user. This function is backwards compatible with the same function in stdlib and accepts a Numeric value. You can declare a resource of a defined type in the same way you would declare a resource of a built. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. It is possible to execute any commands by using exec resource, but it is not recommended because it is critical. First: Puppet does not run anything in parallel. 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. My notes on how to make it work for complex multi-exec configurations. (See the notes on refreshing below. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. exe /c java -jar foo. Classes are named blocks of Puppet code that are stored in modules and applied later when they are invoked by name. The code for both firewall executable resources contains refreshonly ⇒ true and subscribe ⇒ Package['attributes. Data type: Optional[String] the source file (either a puppet URI or local file) of the SELinux . (↑ Back to package attributes)refreshonly => true, } The important bit here is the ~> . Puppet is about describing state and making sure things only have to run once. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. Posted: Wed 05 Oct, 2016, 18:15. is there a way how to ensure the reboot of the linux machine after puppet run? Can take advantage of reboot or shutdown -r commands and to typical patern resurce - subscribe pattern but that doesn't ensure that exec shutdown resource will be synchronized as a last one. They usually do this. Manages mounted filesystems, including putting mount information into the mount table. creates. Why use Puppet. Puppet can run binary files (such as exe, com, or bat ), and can log the child process output and exit status. It can replace or work in concert with the node definitions in the main site manifest ( site. In addition to the resource types included with Puppet, you can install custom resource types as modules from the Forge. Recall that Puppet builds a directed acyclic graph, and it computes the final ordering from traversing that graph. Default value: undef. rspec-puppet unit test for define type using resource. This says "get-chocolatey" should happen before any package resource with a Chocolatey provider. The actual behavior depends on the value of the ‘ensure’ parameter. } puppetlabs-registry is a custom type and provider, so you can use puppet resource to look at existing registry settings. 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. txt. Manage users. ) (See the notes on refreshing below. A couple of notable exceptions to this statement are the exec and augeas resources. It can build a catalog from the manifest (e. Imagine an exec resource that installs 7-zip, lets call it install-7-zip. 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). By default, Puppet ’s HTTPS traffic uses port 8140. They have some concrete uses though. This parameter doesn't cause Puppet to create a file; it is only useful if the command itself creates a file. 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. pp ). pp node 'puppet-agent' { include user include sudoers include exec } Run Puppet: 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. file { '/var/owner => 'recurse => true, } As a matter of fact, Puppet currently cannot automatically create all parent directories. It does not directly modify /etc/passwd or anything. 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. On the Puppet master, create the directory structure for a module named lamp: cd /etc/puppet/modules sudo mkdir -p lamp /manifests. 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. ” These values represent the other data types. A manifest is a file containing Puppet configuration language that describes how resources should be configured. Another approach would be to use an Exec resource to test for the service, and then disable the service only if the service is found. Resource references identify a specific Puppet resource by its type and title. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. Classes and defined type instances contain the resources they declare. Note: `ls` command is used to display all files and directories in the. . A puppet show is a great way to entertain the kiddos at your next event! Find the best puppet shows in Victoria, BC and request free quotes today. Instead of using loop keywords, the Puppet language uses iterative functions that accept blocks of code called lambdas. Specify multiple resources as an array of references. ) (See the notes on refreshing below. For instance, to rename the Guest account:. ) (See the notes on refreshing below. When you set "refreshonly => true" on an Exec resource, that does not make application of the resource conditional. in. This isn't how Puppet works. 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. On all the other nodes, run the following command:. In addition to the resource types included with Puppet, you can install custom resource types as modules from the Forge. --As I said, Not My DownVote (on your answer). 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 ). 24 and 7. Learn more about TeamsOther built-in types. 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. Technically, you could use: exec { "root_bashrc": command => "bash -c 'source /root/. In other words Puppet will be sure to execute apt. ; The vvalue before the : is the resource title. 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. I don't think there is an exception handling in a programmatic way you would like in Puppet. Any command. Puppet provides a built-in exec type that is capable of executing commands. Each resource describes the desired state for some aspect of a system, like a specific service. It becomes your responsibility as the user to define the appropriate queries per resource. Just as on *nix systems, Puppet manages resources on Windows using manifests written in the Puppet language. Note: You can add the sudo and privileges classes to as many agents as needed. If Puppet makes changes to this resource, it causes all of the notified resources to refresh. 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. They usually do this. But that's ok, because Puppet also tracks a queue of resources. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. 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. exe -NoProfile -NoLogo . Follow. Resource Type: exec; Using exec on Windows ; Resource Type: file; Using file on Windows. Exec['Wait for rabbitmq']. 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. ) A caution: There’s a widespread tendency to use collections of execs to manage resources that aren’t covered by an existing resource type. It sounds like this is exactly what you need: exec { 'test_cmd': path => $::path, command => 'cmd. You can, however, interpolate the values of facts or ordinary Puppet variables, and that might be a good route to what. I am writing a bash script that will be run by puppet by an Exec resource (I know. If a resource subscribes. Run puppet exec command only if output file has changed. You can classify nodes using an external node classifier (ENC), which is a script or application that tells Puppet which classes a node must have. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. This page was generated from the Puppet source code on 2022-02-07 10:11:41. Puppet can execute binaries (exe, com, bat, etc. For best results, either leave enable blank or make sure it’s set to true whenever ensure => running. Behavior. The specific backend to use for this ora_exec resource. (See the notes on refreshing below. It uses its local collection of modules for any file sources, and does not submit reports to a. Build relations to other resources that don't know about the resource in. I'm using puppetforge puppetlabs/apt module so I wish to notify the Exec['apt_update'] resource from that module. notify. I am using vagrant with puppet to set up virtual machines for development environments. Now you have a basic Puppet setup. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. user. 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 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. Certainly, Notify is right out. The main difference is that enable and ensure are much more closely linked — running services are always enabled, and stopped ones are always disabled. 9 except the line: notify => Php5enmod ["upload_limits"], needs to be: notify => Exec ["php5enmod_upload_limits"], and then it works correctly. 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. Follows 302 redirect and propagate download failure. In this example, there is an array of command names to be used in each symlink’s path and target. Each value in the Puppet language has a data type, like “string. Puppet basically runs as a daemon in which it executes every 30 mins. Description. In a particular project, I have a lot of Puppet exec resources with pipes. A Puppet master typically compiles a catalog from manifests of Puppet code. Therefore, they should not be set outside of site. From the earliest days of Facter to the latest version of Bolt, we’ve always been firm believers in the power of open source and welcoming community ecosystems. It does not know about URLs, and even if it did, it would be unlikely to recognize or. I'm trying to call several times a defined instance of a puppet module to deploy multiple files from a given repository but I'm getting this error: Error: Could not retrieve catalog from remote se. Alternative 1:. 0. Default value: undef. I have tried using the -> approach and notify => Exec[] but I'm unsure how to pass params in this case. In some cases, a partial or corrupted download may wedge this process. The resources type fits basic needs, by allowing to purge all resources not managed by. Puppet - How to purge a directory. The export has no effect. In this case, the resource type is file. This is the documentation for Puppet's built-in resource types and providers. If a mount receives an event from another resource and its ensure. In this example, the title is C:Tempfoo. It must be either a local disk path or an HTTP, HTTPS, or FTP URL to the package. ; The vvalue before the : is the resource title. 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. However, we need to execute the semanage command to manage port settings.