In addition to the resource types included with Puppet, you can install custom resource types as modules from the Forge. [1]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. You can write resource types and providers in the Puppet language. I am running Puppet v3. local. 1 and drop Puppet 4 #84 (bastelfreak) Implemented enhancements: Features request: SCL repos #66;. In addition to the resource types included with Puppet, you can install custom resource types as modules from the Forge. You should add all relevant directories as resources instead. Additional resource types are distributed in Puppet modules. )Answer. Classes are named blocks of Puppet code that are stored in modules and applied later when they are invoked by name. Default 0. Aug 30, 2021 at 16:58. cmd', provider => windows, subscribe => File ['folder_a'], logoutput => true, refreshonly => true, # Add this line. Execute create_resource after everything has finished or after exec has finished. } 1. 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. 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). Expand Resources are the fundamental unit for modeling system configurations. ) Default value: puppet, which backs up to a filebucket of the same name. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. . If you really care about the 80cols limit you can always abuse a template to achieve that goal. The Puppet “exec” resource allows users to run commands and scripts on nodes. If omitted, this attribute’s value defaults to the resource’s title. 24 and 7. Exec['Wait for rabbitmq']. How to detect that a puppet run is complete. Exec ['get-chocolatey'] -> Package<| provider == 'chocolatey' |>. pp. and many more (including the. 0. 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. What you describe wanting to do looks vaguely like setting up an external fact. It should probably be php::php5enmod () and have it's own file. 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. The very first concept we want to introduce you to is the Puppet manifest. Parameters. on directory contents and subdirectories recursively. (See the notes on refreshing below. Puppet contains resource types to manage some SELinux functions, such as Booleans and modules. Puppet Server and Puppet ’s companion utilities Facter and Hiera, have their own CLI. Multiple resources may be declared to manage multiple lines in the same file. I am trying to solve the issue with having the old server. 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. I don't think there's something built into Puppet. com Inline PowerShell scripts. Therefore, they should not be set outside of site. Note: The Puppet Resource API is a simpler and faster way to build types and providers. The focus of the Puppet language is declaring resources, so most people want to use iteration to declare many similar resources at once. I think that, by default, the puppet exec resource should fail if any of the "single commands" fail (as in the second example). Providers implement the same resource type on different kinds of systems. Note that disabling SELinux requires a reboot to fully take effect. NOTE: This page was generated from the Puppet source code on 2019-09-06 09:16:04 -0700 exec Attributes Providers Description Executes external commands. 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. 1. The file resource uses the title to determine where to create the file on disk. Locate the package you just installed, and copy the name that Puppet resource reported for it. This is the documentation for Puppet's built-in resource types and providers. Ensures that a given line is contained within a file. If you remove the parameter it will also fail if the regular execution policy is set to Restricted. They take a control expression and a list of cases and code blocks, and will. puppet-bak, Puppet will use copy the file in the same. (2) it is unclear from your description whether the Exec's command is actually run (vs. Manages cron jobs on the puppet agents or clients. Installation. If set to false, file content won't be backed up. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. powershell provider for the Puppet exec resource type - GitHub - unibonn/puppet-powershell: powershell provider for the Puppet exec resource typePuppet: How to execute a Exec resource if another Exec resource failed. File contents can be managed directly with the content attribute, or downloaded from a remote source using the source attribute; the latter can. For example, 5 =~ Integer and 5 =~ Integer[1,10] both resolve to true. 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. Puppet 7. group. This does not override the onlyif parameter. For your particular case, use a Tidy resource instead of an Exec to perform the cleanup:. But, it works with exec-resources, with refreshonly-parameter. When using exec resources with the powershell provider, the command parameter must be single-quoted to prevent Puppet from interpolating $(. There is always only one resource being applied, the next one will always wait for the previous to finish. exe create MyService start= auto binPath= "C:path oyour. Run puppetserver ca list which shows the CA signing request from. However, we need to execute the semanage command to manage port settings. log, depending on the flag used) to a Support ticket, making sure to remove any sensitive information. If a given resource is already in the desired state, Puppet performs no actions. Puppet - How to purge a directory. Puppet contains resource types to manage some SELinux functions, such as Booleans and modules. It modifies the environment of a shell that has been forked specifically for this exec resource. About Indirection. exec is a hack, but it's the only way to do it besides running Puppet multiple times. pp) is the main file that Puppet uses to define global system configuration. This tool is a part of the policycoreutils-python package, which is not installed on Red Hat Enterprise Linux systems by default. Sending troubleshooting information to Support. ). ) (See the notes on refreshing below. and if it is not by default, at least there should be an option in puppet exec to do so (equivalent to "set . There are three main ways for an exec to be idempotent: The command itself is already idempotent. As a last resort, Puppet will attempt to search the process table by calling whatever command is listed in the ps fact. puppet resource exec order for an array of items mapped to metaparameters. The exec has refreshonly => true, which only allows Puppet to run the command when some other resource is changed. There are a few important parameters to use when writing an exec resource with PowerShell. It's important to note that the notify resource type is not idempotent. At first they look fairly similar but those seemingly minor differences add up and they're actually for totally different things. sudo puppet resource package puppet-server ensure=latest. Classes generally configure large or medium-sized chunks of. Sponsor Open Source development activities and free contents for everyone. 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. Providers. This is especially useful when managing Windows systems. A manifest is a file containing Puppet configuration language that describes how resources should be configured. This shell then immediately terminates. If given a type, a name, and a series of attribute = value pairs, puppet resource will. 0. 1. (Namevar: If omitted, this attribute’s value defaults to the resource’s title. Puppet Exec Resource. For instance, to rename the Guest account:. To get started with the module,. This consistency in code and module structure makes it easier to update and maintain the code. puppet exec command issue. group. Puppet can run binary files (such as exe, com, or bat), and can log the child process output and exit status. This style guide applies to Puppet 4 and later. The manifest is the closest thing to what one might consider a Puppet program. Q&A for work. Additional resource types are distributed in Puppet modules. group. , such as . Manage users. Write a module that contains a class called privileges to manage a resource that sets privileges for certain users. Network access. 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. 4+, your original code would be possible. 2. Returns the smallest Integer greater or equal to the argument. Exec resources do not work that way. If the resource type includes a namespace separator ::, then each segment must be capitalized. Puppet File resource runs despite Exec unless. txt. Resources can be limited to a schedule by using the schedule metaparameter. Namevars and titles. puppet-service should be stopped only if file exists. If no manifest files are provided, it will validate the default site manifest. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. Given that, you can use a lambda iterator on the hash. ~> (notifying arrow; a tilde and a greater-than sign) — Applies the resource on the left first. The exec has refreshonly => true, which only allows Puppet to run the command when some other resource is changed. 3. resource-like. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. The powershell module adapts the Puppet exec resource to run PowerShell commands. pwsh: Adapts the Puppet exec resource to run PowerShell Core commands. Chapter 4. Defined resource types , sometimes called defined types or defines, are blocks of Puppet code that can be evaluated multiple times with different parameters. Mutually excludsive with using source files. This can be used with bash on Linux, but with the PowerShell provider , it can run PowerShell on Windows and Linux nodes as well. Puppet is an open-source configuration management tool from Puppet Labs. You can create relationships between two resources or groups of resources using the -> and ~> operators. 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. Description Executes external commands. (See the notes on refreshing below. Each key and value is converted to a string using these rules. We need to create a manifest file to generate the schedule for our PowerShell script. It declares resources that define state to be. A manifest file is a list of resources with a unique title and named attributes describing the desired state. Creating resources. 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). exec {'VeryLongExec': command => template ("$ {module}/verylongexec") } Then put the actual command in that template. Puppet and Bolt/Ansible are like shovels and spades. In fact, no resource works that way, or any way remotely like that. I want to execute a shell command/script using puppet only when a file exists in particular path. 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. To complete our tour of the basic elements of a manifest, let's take a closer look at the resource types that you have already used, and some of the more import. More generally, specifying a resource relationship to Puppet, as you do by means of a chain operator, expresses that the dependent resource can only be properly synced when the independent resource is in sync. onlyif. 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. Conditional execution of puppet defined resource type through exec. Using the notify metaparameter we can tell a resource to signal another resource, often a file notifying a service, and cause it to refresh, which in the case of a service causes a restart. Running Powershell command directly using Puppet exec resource Ask Question Asked 6 years, 8 months ago Modified 6 years, 8 months ago Viewed 6k times. Exec resources do not work that way. The default is for resources to get applied. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. You can also browse and manage resources interactively using the puppet resource subcommand; run puppet resource --help for more information. 1 Answer Sorted by: 1 Exec resources are not idempotent and should be avoided if possible. There is a sort-of-related question where the user does this. The most prominent exception among Puppet resources is the exec resource type, which is idempotent but relies on the user to design them accordingly. Puppet 6. Parameters change how Puppet manages a resource, but do not necessarily map directly to something measurable. Within this file, add a block for a class called “lamp”, by adding the following lines: The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. As a result, notifications are shown as a change. You can also browse and manage resources interactively using the puppet resource subcommand; run puppet resource --help for more information. , adding a search path for exec resources or controlling directory recursion on file resources). × Join the world's most active Tech Community! Welcome back to the World's most active Tech Community!One way or another, puppet has to know what to do. exec. ; The vvalue before the : is the resource title. So use this resource for specific case like when it receives events by using the refreshonly parameter. This attribute works best as a resource default in the site manifest (File { backup => main }), so it can affect all file resources. ) (See the notes on refreshing below. 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 implement the same resource type on different kinds of systems. 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 :. (See the notes on refreshing below. Puppet ssl is a command for managing SSL keys and certificates for Puppet SSL clients needing to communicate with your Puppet infrastructure. In this example, the ntp package must be installed before the ntp. For example:This means that you can allow other people access to the code, without access to the sensitive data in that code. Optional resource types for Windows. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. Create a defined resource type by writing a define statement in a manifest ( . puppet apply -e "exec { '/usr/bin/false': }" Notice: Compiled catalog for alexs-macbook-pro. Create exec resources with metadata to ensure it is idempotent. powershell: Adapts the Puppet exec resource to run Windows PowerShell commands. Exec resource requires a fully qualified path or a path. In a particular project, I have a lot of Puppet exec resources with pipes. There is another metaparameter, subscribe. Could someone please advice the best approach?It is used to enforce property values such as owner, mode etc. Running Powershell command directly using Puppet exec resource. exec resources We want Puppet to run a certain command directly using an exec resource. 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. Restart the Puppet master after upgrading; Step 4: Installing the agent nodes. It takes the environment strings you provide, as interpreted by Puppet at catalog-building time, and inserts them directly into the. Interesting is that using Windows path for directories with spaces in eg. All resource types (single-page reference) Core types cheat sheet; Optional resource types for Windows; augeas; Augeas tips and examples. – Matthew Schuchard. 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 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. 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. 7. Create exec resources with metadata to ensure it is idempotent. pp. 1 Answer. macOS handles services much like most *nix -based systems. The resources type fits basic needs, by allowing to purge all resources not managed by Puppet. A resource declaration is an expression that describes the desired state for a resource and tells Puppet to add it to the catalog. 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. That command will always return 0 (true): it just tests whether the given string is nonempty. 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. 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. (See the notes on refreshing below. The stdlib file_line resource is very close to what I need. You can't use exec resources as conditional logic for other resources like this. The exec has refreshonly => true, which only allows Puppet to run the command when some other resource is changed. notify. The source attribute is mandatory. Puppet Exec resource to apply only when a File changes. Yes, and yes. For detailed information about built-in types, see the Resource type reference. For specific details about these types, see the resource reference. If a given resource is not in the desired state, Puppet takes whatever action is necessary to put. Puppet 3 is no longer supported, but we. You can write your own Puppet code and modules using Puppet Development Kit (PDK), which is a framework to successfully build, test and validate your modules. Optional resource types for Windows. ) The group name. The definition contains the resource’s configurable properties and the parameters used to access it. This behavior might have unintended consequences if you combine multiple external files. Build relations to other resources that don't know about the resource in. 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. Resource relationship chaining arrows. creates. Puppet contains resource types to manage some SELinux functions, such as Booleans and modules. For detailed information about these types, see the Resource type reference or. There is another metaparameter, subscribe. While naming limitations vary by operating system, it is advisable to restrict names to the lowest common denominator, which is a maximum of 8 characters. When Puppet runs, it applies the exec resource by running the command: command => '/bin/echo `/bin/date` >/tmp/output. 0 on RHEL 6 and am doing package management via the exec resource. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. Newer versions of Puppet default to on_error, which would be fine for your case, too. All parameters are optional. If given a type, a name, and a series of attribute = value pairs, puppet. In general convert. name. In general convert. Directory separators in file paths. ; Set limits on when the resource should be applied, by using relationship metaparameters like notify or require. 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. Resource relationship chaining arrows. However, we need to execute the semanage command to manage port settings. For example, to view the free disk space of a host, run: With. Consider. refreshonly not working with Puppet exec resource. How to use puppet to install and configure custom app? 6. Refresh: service resources can respond to refresh events (via notify, subscribe, or the ~> arrow). Modules contain additional resource definitions and the code necessary to modify a system to create, read, modify, or delete those resources. Other resources. The general form of a resource reference is: The resource type, capitalized. Connect and share knowledge within a single location that is structured and easy to search. , such as . The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. ) The name of the service to run. After the set, all resources are in the state. The custom resource. It is possible to execute any commands by using exec resource, but it is not recommended because it is critical. Iterative functions accept a block of code and run it in a specific way: each - Repeats a block of code. exe /c java -jar foo. 1. If set to false, file content won't be backed up. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. Add classes from the privileges and sudo modules to your agents. That could be achieved by having your exec write the calendar day into a file. (See the notes on refreshing below. When running Puppet commands on Windows, note the following: The location of 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. 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. Puppet includes many core resource types, plus you can extend Puppet by installing modules. I wonder if the syntax above used to work on a previous. Instead of using loop keywords, the Puppet language uses iterative functions that accept blocks of code called lambdas. Refresh behavior varies by resource type: for example, services restart and mounts unmount and re-mount. in. 2 install on Ubuntu 18. creates. 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. By specifying the URL in a source parameter you can put an actual descriptive. specified as a string, to the agent run-time log. If you're new to Puppet, we recommend the following resources to get you started: Learn Puppet. Implemented via types and provider instead of exec resource. 2. exec. Puppet Resources are the building blocks that puppet uses to model system configurations. Puppet Exec Resource. In most cases, managing sudo on your agents involves. Execute create_resource after everything has finished or after exec has finished. You can use regular expression values with the =~ and !~ match operators, case statements and selectors, node definitions, and functions like. puppet agent -td -. This style guide promotes consistent formatting in the Puppet language, giving you a common pattern, design, and style to follow when developing modules. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. ) (See the notes on refreshing below. You can declare a resource of a defined type in the same way you would declare a resource of a built. . Parameters. (Puppet automatically creates a local filebucket named puppet if one doesn’t already exist. If a given resource is already in the desired state, Puppet performs no actions. Handling versions and upgradesPuppet contains resource types to manage some SELinux functions, such as Booleans and modules. If Puppet makes changes to this resource, it causes all of the notified resources to refresh. define scheduler. Puppet can run binary files (such as exe, com, or bat ), and can log the child process output and exit status. The provide method takes three arguments plus a block: The first argument must be the name of the provider, as a :symbol. If you do need to do it via say the exec resource, then @16c7x's statement is correct. exec { "initialize-footool": require => Package ["footool"] } file { "/etc/default/footool": before => Exec ["initialize-footool"] } read more like english than just requires on the exec. 2 and are. Usage. Resource defaults declared in the local scope override any defaults received from parent scopes. It takes the environment strings you provide, as interpreted by Puppet at catalog-building time, and inserts them directly into the environment. ) (See the notes on refreshing below. I can fix this manually. sudo -u fred /usr/bin/echo "hola dan" Note that I used sudo -u in favor of sudo su -. The default search pattern is the name of the service, but you can specify it with the pattern attribute. This type is mostly built to manage system users, so it is lacking some features useful for managing normal users. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. 9 except the line: notify => Php5enmod ["upload_limits"], needs to be: notify => Exec ["php5enmod_upload_limits"], and then it works correctly. 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. 0. Data type: Optional[String] the source file (either a puppet URI or local file) of the SELinux . Providers implement the same resource type on different kinds of. Is there an easy way to do this with the content attribute?. In this example, the title is C:Tempfoo. We explore those in depth in Chapter 5. Puppet will accumulate multiple notifies over a single run and only refresh the service once. ). 10. 7. Other core types. Puppet ’s command line interface (CLI) consists of a single puppet command with many subcommands. 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.