, Perforce Software, Inc. You can also set variables within the manifest, which can change the. Puppet can run. 0. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. name. When running Puppet commands on Windows, note the following: The location of puppet. 0powershell. To expand on Matt's comment above, go to the server in question and run which pip to see pip's location (on my machine /usr/local/pip ), then append your exec command with the full path for pip, e. If you're new to Puppet, we recommend the following resources to get you started: Learn Puppet. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. If this parameter is set, then this exec will only run if the command has an exit code. The derived. For the general case of printing messages, look at notify. 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. Providers implement the same resource type on different kinds of systems. Use the -l parameter to pass a label for the encrypted value: eyaml encrypt -l 'some_easy_to_use. Puppet have a defined resource fail if a variable is set to undef. This page provides a reference guide for the core Puppet types: package, file, service, notify, exec, cron, user, and group. I am writing a bash script that will be run by puppet by an Exec resource (I know. Puppet resources are idempotent, because they describe a desired final state rather than a series of steps to follow. notify. pp) file. Deploy it with Puppet, and yes, do use an exec resource if you want Puppet to trigger the update. Providers. Default path for exec resource with forman and puppet. If the exec resource apt_update is notified, apt-get update runs regardless of this value. You can declare a resource of a defined type in the same way you would declare a resource of a built. Puppet can run binary files (such as exe , com , or bat ), and can log the child process output and exit status. I have written a user define type which downloads a file using wget and stores in /root. When working with Puppet resources, you typically don’t need to worry about idempotence; most resource providers are idempotent by design. When this attribute is set, this resource is applied before the notified resources. But that's ok, because Puppet also tracks a queue of resources. I want create_resources to be executed right after the exec resource. Puppet includes many core resource types, plus you can extend Puppet by installing modules. Puppet ’s command line interface (CLI) consists of a single puppet command with many subcommands. If a resource subscribes to another resource, then Puppet tries to "refresh" that resource if the resource it is subscribed to changes state. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. As a result, notifications are shown as a change. 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. Puppet ’s command line interface (CLI) consists of a single puppet command with many subcommands. Infrastructure as code, task orchestration, event driven workflows. cat jayesh. Default value: undef. 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. , adding a search path for exec resources or controlling directory recursion on file resources). Several resource types (including file, exec, and package) take file paths as values for various attributes. This says "get-chocolatey" should happen before any package resource with a Chocolatey provider. Chapter 4. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. exec { "initialize-footool": require => Package ["footool"] } file { "/etc/default/footool": before => Exec ["initialize-footool"] } read more like english than just requires on the exec. The value that represents the data type of these values is Type. Resource relationship chaining arrows. No find command is run; the test just passes by examination of the argument. The Forge is an online community of Puppet modules submitted by Puppet and community members. If a given resource is already in the desired state, Puppet performs no actions. (↑ Back to package attributes)refreshonly => true, } The important bit here is the ~> . Puppet doesn't have all the pathing/env variables you're used to as a regular user, so you need to be. To use sudo non-interactively, the invoking user needs a NOPASSWD: entry in sudoers %wheel ALL=(fred) NOPASSWD: /usr/bin/echo "hola dan" Then. I wonder if the syntax above used to work on a previous. (To take an example from Windows, you would use "wuauserv" rather than "Automatic. sh', command =>. ) (See the notes on refreshing below. 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. If you remove the parameter it will also fail if the regular execution policy is set to Restricted. Your operating system and firewall must allow Puppet agent to initiate outbound connections on this port. 7. This tool is a part of the policycoreutils-python package, which is not installed on Red Hat Enterprise Linux systems by default. Puppet Exec resource to apply only when a File changes. 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. Puppet: Could not find class. refreshonly not working with Puppet exec resource. 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 $(. That means notify and require. There is another metaparameter, subscribe. conf depends on whether the process is running as an administrator or not. Among them, notice (), info (), and debug () seem the. For your specific case, perhaps running puppet in verbose or debug mode will work. 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. Writing Manifests. When writing Puppet manifests to manage Windows systems, there are two extra issues to take into account when writing file paths: directory separators and file system redirection. Directory separators in file paths. It does not directly modify /etc/passwd or anything. 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. The trick to getting this working properly is that something has to write c:Testcleanup. Modules that meet Puppet's standards for being well written, reliable, and actively maintained. This seems to work just fine. ) (See the notes on refreshing below. Moreover, the test command tests for the existence of a the specified path. Puppet provides a built-in exec type that is capable of executing commands. /usr/local/bin/pip install nltk. This is the documentation for Puppet's built-in resource types and providers. This page provides a reference guide for Puppet 's built-in types: package, file, service, notify, exec, user, and group. 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. Here is my attempt: exec { 'Executing SplunkForwarder Installation Script': command. I'm using this: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. The export has no effect. Instead of using loop keywords, the Puppet language uses iterative functions that accept blocks of code called lambdas. pp --ordering=random ). Follow. If you want to indicate whether those. 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. cat jayesh. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. Apart from all that, it is good practice with Puppet to actually deploy wrapper scripts that your exec. (Namevar: If omitted, this attribute's value defaults to the resource's title. – Felix Frank. 04; In Puppet, the combined configuration to be applied to a host is called a catalog, and the process of applying it is called a run. In a particular project, I have a lot of Puppet exec resources with pipes. This creates the home directory if Puppet also creates the user account, and deletes the home directory if Puppet also removes the user account. ) (See the notes on refreshing below. Such trademarks are claimed and/or registered in. and if it is not by default, at least there should be an option in puppet exec to do so (equivalent to "set . The require metaparameter declares only the order in which things occur, all other things being equal (and also prevents the second resource from being applied at all if the first one fails to apply). ” There is also a set of values whose data type is “data type. 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. You will need to update your manifests to use the new parameter names. To use sudo non-interactively, the invoking user needs a NOPASSWD: entry in sudoers. Interpreting the output of the puppet apply command; Adding control. txt”) for my Puppet node. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. Puppet can resolve variables that are included in double-quoted strings; this is called interpolation. exe /c C:/test. 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. If a resource subscribes. You can create relationships between two resources or groups of resources using the -> and ~> operators. Puppet contains resource types to manage some SELinux functions, such as Booleans and modules. exec {. Resources are the fundamental unit for modeling system configurations. It modifies the environment of a shell that has been forked specifically for this exec resource. disable_keys: Disables the requirement for all packages to be signed. They usually do this. Could someone please advice the best approach?sudo puppet resource package puppet-server ensure=latest. Moreover, the directory /etc/facter/facts. With the exec resource type considered the last ditch, its refreshonly parameter should be seen as especially outrageous. 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. Sends an arbitrary message, specified as a string, to the agent run-time log. Yes, with refreshonly => true. This is just to show the general concept. 1. This shell then immediately terminates. I am trying to run a Powershell command directly using Puppet exec resource instead of specifying path to the Powershell script. txt. and many more (including the. Returns the smallest Integer greater or equal to the argument. A complete service resource is very simple: service { 'mysql': ensure => 'running', enable. on directory contents and subdirectories recursively. ; Set limits on when the resource should be applied, by using relationship metaparameters like notify or require. That means this approach checks the existence of /path/to/directory/. If you're using an older version, one way to achieve what you want to do without pulling down the entire Git repository would be to use the exec resource to fetch the file. 2. As a result, you cannot write a single pattern that matches all the files you want to remove. Reads the actual state of the resource on the target system. There is no way to write your puppet manifest to print a message exactly before your exec resource other than making it a part of the exec. Specify multiple resources as an array of references. 4+, your original code would be possible. Note the following details in this file resource example: Puppet uses a basic syntax of type { title: }, where type is the resource type. In this case, the resource type is file. The file resource uses the title to determine where to create the file on disk. This tool is a part of the policycoreutils-python package, which is not installed on Red Hat Enterprise Linux systems by default. Multiple resources may be declared to manage multiple lines in the same file. 0. Technically, Puppet's documentation says nothing explicit about the timing of resource refreshes. refreshonly. As a last resort, Puppet will attempt to search the process table by calling whatever command is listed in the ps fact. refreshonly. Exec ['get-chocolatey'] -> Package<| provider == 'chocolatey' |>. In fact, no resource works that way, or any way remotely like that. Create a defined resource type by writing a define statement in a manifest ( . ) (See the notes on refreshing below. 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. I would like to simply set a few environment variables in the . ) The group name. File contents can be managed directly with the content attribute, or downloaded from a remote source using the source attribute; the latter can. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. This page was generated from the Puppet source code on 2022-02-07 10:05:45. Hot Network Questions Cat may have spent a week locked in a drawer -. 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. Short answer: no. (See the notes on refreshing below. There is also a second puppet exec resource that uninstalls 7-zip, lets call it uninstall-7-zip. Additionally, some resources like exec will support attributes that work like a conditional, but only accept a command output as condition. Puppet is about describing state and making sure things only have to run once. Certainly, Notify is right out. ). 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. In your case you could verify that the package resource exists, that the exec resource exists, andThe powershell module adapts the Puppet exec resource to run PowerShell commands. But, it works with exec-resources, with refreshonly-parameter. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. The general form of a resource reference is: The resource type, capitalized. Other core types. In this example, there is an array of command names to be used in each symlink’s path and target. The implementation matches the full line, including whitespace at the beginning and end. It's important to note that the notify resource type is not idempotent. 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. 0. To get started with the module,. , adding a search path for exec resources or controlling directory recursion on file resources). The provide method takes three arguments plus a block: The first argument must be the name of the provider, as a :symbol. 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. It must be either a local disk path or an HTTP, HTTPS, or FTP URL to the package. g. 2 and are. conf file is created; after the. 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. 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. 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?So, in order to avoid this I am adding the refreshonly parameter as follows. If you want to use a non-default port, change the masterport setting on all. wow! My recommendation is: throw it away and start over. This can be used with bash on Linux, but with the. An additional exec resource might be used to test and correct for this case automatically. There are a few important parameters to use when writing an exec resource with PowerShell. Network access. Note that I used sudo -u in favor of sudo su -. Generally speaking, details of machines' current state on which Puppet is to base. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. 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. Create exec resources with metadata to ensure it is idempotent. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. ) A caution: There’s a widespread tendency to use collections of execs to manage resources that aren’t covered by an existing resource type. 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). The exec has refreshonly => true, which only allows Puppet to run the command when some other resource is changed. 2. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. This is especially useful when managing Windows systems. With Bolt on the command line, run bolt task run exec command=<COMMAND>. Interpolation. Compares the actual state to the desired state. As for what you are trying to achieve, I recommend a combination of declaring Exec resources belonging to the class as being refreshonly (which might be conveniently achieved by declaring that as a resource default) and allowing other resources to sync. Ports. Description. Note: You can add the sudo and privileges classes to as many agents as needed. For example, the value String represents the data type of strings. If the resource type includes a namespace separator ::, then each segment must be capitalized. 11). Each resource describes the desired state for some aspect of a system, like a specific service or package. 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. I have tried using the -> approach and notify => Exec[] but I'm unsure how to pass params in this case. So, in order to avoid this I am adding the refreshonly parameter as follows. This tool is a part of the policycoreutils-python package, which is not installed on Red Hat Enterprise Linux systems by default. However, unfortunately, there is no way to make file_line match over multiple lines and replace with new content. Notifications never propagate through another resource, even if they are in a chain of resources set to notify. So a native resource won’t do it - your Exec approach is the right way to achieve what you want. My notes on how to make it work for complex multi-exec configurations. On an upgrade we are pushing a new tar-file to the puppet master and let puppet update the server. Puppet can execute binaries (exe, com, bat, etc. 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. Puppet can run binary files (such as exe, com, or bat), and can log the child process output and exit status. If the resource type includes a namespace separator ::, then each segment must be capitalized. You can get involved by fixing bugs, influencing new feature direction, publishing your modules, and engaging with the community to share knowledge and. Additional resource types are distributed in Puppet modules. ) The name of the service to run. txt. . However, we need to execute the semanage command to manage port settings. g. With PE on the command line, run puppet task run exec command=<COMMAND>. Each resource describes the desired state for some aspect of a system, like a specific service. A common workaround for this kind of issue is to manage the entity in question with two or more resources. The . Puppet file resource not resolving the source attribute. It is purely sequential. Available providers are: psql. Adapts the Puppet exec resource to run PowerShell Core commands. Let’s say you want to execute a command based on a fact. Puppet contains resource types to manage some SELinux functions, such as Booleans and modules. ) A caution: There’s a widespread tendency to use collections of execs to manage resources that aren’t covered by an existing resource type. . For information on all core types, including supported types in the puppet-agent package, see. In this example, the ntp package must be installed before the ntp. Puppet: how to remove a directory and everything in it. You can create relationships between two resources or groups of resources using the -> and ~> operators. This is especially useful when managing Windows systems, because. 3 ones are listed in a single page here. A String that can be converted to a floating point number can also be used in this version - but this is deprecated. Your operating system and firewall must allow Puppet agent to initiate outbound connections on this port. 0. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. At Puppet, open source software is in our DNA. Puppet doesn't provide a way to apply the same resource from the catalog multiple times, even in different run stages. cron. Any command in an exec resource must be able to run multiple times without causing harm — that is, it must be idempotent. Interpreting the output of the puppet apply command; Adding control. Puppet's if statement allows you to change the manifest behavior based on the value of a variable or an expression. 0. 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. The downside to this is that the exec will always run, so your Puppet runs will always report that a change was made. An exec type resource will generally be run on. Communities strengthened by dancing, singing, and making music togetherSyntax: cat file_name. The Puppet “exec” resource allows users to run commands and scripts on nodes. Chapter 4. × Join the world's most active Tech Community! Welcome back to the World's most active Tech Community!Puppet resource type: file (check "Resource types" for all manifest types in the left menu) ; Puppet's Declarative Language: Modeling Instead of Scripting ; Puppet lint ; Puppet emacs mode Requirements General ;. Each resource describes the desired state for some aspect of a system, like a specific service or package. 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. This resource type uses the prescribed native tools for creating groups and generally uses POSIX APIs for retrieving information about them. I have a class that executes a DSC resource, but required to wait for 20 seconds, before it executes it. In other words Puppet will be sure to execute apt. Since the resource in question is notified by another resource, you must not suppress it altogether. (See the notes on refreshing below. Additionally, some resources like exec will support attributes that work like a conditional, but only accept a command output as condition. (See the notes on refreshing below. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters,. However, we need to execute the semanage command to manage port settings. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. Puppet is declarative - you tell it what state you want a system, and it goes and creates it. But that's ok, because Puppet also tracks a queue of resources. exec { 'chkconfig': command => "/sbin/chkconfig --add $ {shutdown_script}", require => File ['shutdown-script'] } This is actually your root cause here. Puppet Exec resource to apply only when a File changes. A String that can be converted to a floating point number can also be used in this version - but this is deprecated. So use this resource for specific case like when it receives events by using the refreshonly parameter. 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). If the current state does not match the defined state of that resource, Puppet invokes the appropriate methods on the resources native provider to bring the resource into. It is also somewhat limited, like the acl module in that it is restricted to only what is specified. it must. It requests a configuration catalog from a Puppet. Optional resource types for Windows. It declares resources that define state to be. The output shows lots of task names. That could be achieved by having your exec write the calendar day into a file. -> (ordering arrow; a hyphen and a greater-than sign) — Applies the resource on the left before the resource on the right. Build relations to other resources that don't know about the resource in. When Puppet applies the compiled catalog, it: 1. Consider. Follows 302 redirect and propagate download failure. Manages files, including their content, ownership, and permissions. So what I'm doing with puppet is that I have all these scripts residing a directory, and I copy them over to init. 0. Defined resource types , sometimes called defined types or defines, are blocks of Puppet code that can be evaluated multiple times with different parameters. 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. Why use Puppet. Aug 30, 2021 at 16:58. To encrypt sensitive data with hiera-yaml, run through the following steps: Install hiera-eyaml: puppetserver gem install hiera-eyaml. 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). Resource types. A resource's title is a string that uniquely identifies the resource to Puppet. Create exec resources with metadata to ensure it is idempotent. Containment is the relationship that resources have to classes and defined types, determining what has to happen before other things can happen. Normally in Bash I use echo and in a manifest I use notify. When a resource is "changed", then it notifies any resources subscribed to its own change. Providers implement the same resource type on different kinds of. The interfaces to the various helper manifests has been changed to be more in line with Puppet file resource naming conventions. Implemented via types and provider instead of exec resource. filter by arbitrary "foo_update" # tag and relate it to all Package resources Exec. exec is a hack, but it's the only way to do it besides running Puppet multiple times. Start the Puppet agent with this command puppet resource service puppet ensure=running. conf", doesn't seem to be possible with file-resources. jar', } Should this be part of the manifest which could look like this? Exec resources do not work that way. Visit Stack ExchangePuppet : How to use [exec Resource] 2015/07/22 : This is the examples for exec resource. Resources are the fundamental unit for modeling system configurations. 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. Puppet Exec Resource. in. group. * Given your manifest, Puppet only promises that the Exec resource - if it is applied at all - will always be applied before the File resource. 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. If you want to use a non-default port, change the serverport setting on all agent. Is it possible to exec resource only when another exec resource is failed. We explore those in depth in Chapter 5. 0. Share. You will seldom need to specify this — Puppet will usually discover the appropriate provider for your platform. Puppet User and GroupPuppet::Type. onlyif. g. 0. It is possible to execute any commands by using exec resource, but it is not recommended because it is critical. (3) The details in Puppet's debug output may clarify the problem for us, everything. Puppet is an open-source configuration management tool from Puppet Labs. In some cases, a partial or corrupted download may wedge this process. 5. I have a custom resource (define) that creates a file in a particular directory. Classes are named blocks of Puppet code that are stored in modules and applied later when they are invoked by name. This resource allows you to execute a wlst command or script in the context. Iteration functions. pp) is the main file that Puppet uses to define global system configuration. Other core types. exec { 'nagios-permissions': command => "/usr/bin/chown -R nagios:nagios $ {confdir}", onlyif. e. 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. In general convert. This isn't how Puppet works. For a single exec resource, that could mean two separate PowerShell executions when specifying an onlyif or unless. 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. Expand Resources are the fundamental unit for modeling system configurations. 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. sudo -u fred /usr/bin/echo "hola dan". (See the notes on refreshing below. jar', } Should this be part of the manifest which could look like this?Exec resources do not work that way.