exec {. The exec has refreshonly => true, which only allows Puppet to run the command when some other resource is changed. exec. d/x' is present. If a resource subscribes. 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. Puppet is declarative - you tell it what state you want a system, and it goes and creates it. and many more (including the. I want to execute an exec resource if a service is not found, skip the exec resource if the service is found. Defined resource types , sometimes called defined types or defines, are blocks of Puppet code that can be evaluated multiple times with different parameters. Use the short service name (such as wuauserv) in Puppet, not the display name (such as Automatic Updates ). The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. Do this with the user resource type’s purge_ssh_keys attribute: user { 'nick': ensure => present, purge_ssh_keys => true, } This will remove any keys in ~/. (See the notes on refreshing below. I want create_resources to be executed right after the exec resource. Valid options: 'always' (at every Puppet run); daily' (if the value of apt_update_last_success is less than current epoch time minus 86400); 'weekly' (if the value of apt_update_last_success is less than current epoch time minus 604800); 'reluctantly. The focus of the Puppet language is declaring resources, so most people want to use iteration to declare many similar resources at once. Directory separators in file paths. This mostly works for me on Puppet 4. 8. Creating resources. Note that the period defines how often a given resource will get applied but not when; if you would like to restrict the hours that a given resource can be applied (for instance, only at night during a maintenance. It can build a catalog from the manifest (e. The behaviour changed between Puppet 3 and 4. They are most helpful when combined with facts or with data retrieved from an external source. And after that, run puppet agent with pluginsync enabled, and you can use custom type like this:. Yes, via the notify meta-parameter. The most common Puppet’s Resources are Listed below. However, we need to execute the semanage command to manage port settings. All resource types (single-page reference) Core types cheat sheet; Optional resource types for Windows; augeas; Augeas tips and examples. Optional resource types for Windows. Resource tips and examples: Exec on Windows. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. (See the notes on refreshing below. If a given resource is not in the desired state, Puppet takes whatever action is necessary to put. To use sudo non-interactively, the invoking user needs a NOPASSWD: entry in sudoers %wheel ALL=(fred) NOPASSWD: /usr/bin/echo "hola dan" Then. Answer. You cannot use an Exec resource to perform the check, because you need to perform the evaluation during catalog building, and resources are not applied until after the catalog is built. In a particular project, I have a lot of Puppet exec resources with pipes. When working with Puppet resources, you typically don’t need to worry about idempotence; most resource providers are idempotent by design. You can declare a resource of a defined type in the same way you would declare a resource of a built. ), and can log the child process output and exit status. In fact, no resource works that way, or any way remotely like that. Several attributes, such as the relationship metaparameters, require resource references. Puppet exec command with variable not executed. Add classes from the privileges and sudo modules to your agents. 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. 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. (See the notes on refreshing below. . ), and can log the child process output and exit status. Usage. 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. With Bolt on the command line, run bolt task run exec command=<COMMAND>. A pair of curly braces ( { and } ) containing a <KEY> => <VALUE> string for each key-value pair, separated by a comma and a space ( , ), with no trailing comma. The main thing you are after, "notify all the services that are subscribed to /etc/nova/nova. notify. Additional resource types are distributed in Puppet modules. Infrastructure as code, task orchestration, event driven workflows. source_fc. This example specifies defaults for the exec resource type attributes path , environment , logoutput , and timeout . Puppet can resolve variables that are included in double-quoted strings; this is called interpolation. The implementation matches the full line, including whitespace at the beginning and end. For example, the value String represents the data type of strings. The PowerShell module uses a custom PowerShell host that ensures this data is cleared before each Puppet resource executes. Moreover, the test command tests for the existence of a the specified path. do the exec only when notfied. Additionally, some resources like exec will support attributes that work like a conditional, but only accept a command output as condition. Puppet and Windows handle directory separators and line endings in files somewhat differently, so you must be aware of the differences when you are writing manifests to manage Windows systems. Puppet is a tool you use to describe a state you expect the server to be in rather than a list of commands you want to run. How to setup and checkout a git repository with vcsrepo in puppet using ssh. Then, you can install the Nuget package via the package resource in Puppet. ) A caution: There’s a widespread tendency to use collections of execs to manage resources that aren’t covered by an existing resource type. Multiple resources may be declared to manage multiple lines in the same file. The command will only run if the file doesn't exist. In fact, no resource works that way, or any way remotely like that. The name of the resource must be the filename (without path) of the DMG file. I have used exec type to accomplish this. Providers implement the same resource type on different kinds of systems. Ok then an isolated source /etc/profile in an exec resource will not achieve this for you. , adding a search path for exec resources or controlling directory recursion on file resources). Each resource describes some aspect of a system, like a specific service or package. Setting enable => true will assign a service the “Automatic” startup type; setting enable => manual will assign the “Manual” startup type. 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. By default, Puppet ’s HTTPS traffic uses port 8140. Technically, you could use: exec { "root_bashrc": command => "bash -c 'source /root/. When using execs, make sure the command can be. Is there an easy way to do this with the content attribute?. 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). I want to create a new file on a specific Puppet agent and store the output of a Linux command to the file. sudo -u fred /usr/bin/echo "hola dan". The file resource uses the title to determine where to create the file on disk. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. It should probably be php::php5enmod () and have it's own file. Imagine an exec resource that installs 7-zip, lets call it install-7-zip. EDIT: The below works if you're using puppet apply but not otherwise, because the find_file function is evaluated during catalog compilation. Then, you can install the Nuget package via the package resource in Puppet. 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. As suggested in comments a "correct" solution would. This is a very flexible and powerful resource, and we can use it to. 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. (2) it is unclear from your description whether the Exec's command is actually run (vs. This tool is a part of the policycoreutils-python package, which is not installed on Red Hat Enterprise Linux systems by default. Now you will want to use the puppet apply command to execute the manifest. However, the problem with the exec is that it is not idempotent. The interfaces to the various helper manifests has been changed to be more in line with Puppet file resource naming conventions. We explore those in depth in Chapter 5. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. × 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 ;. That means notify and require. Providers are always associated with a single resource type, so they are created by calling the provide method on that resource type. Hot Network Questions Is the requirement to accept refugees unconditional in international law, even in the case of a forced population transfer? Young Adult book about a Teen Witch Girl In Germany, are any of these jackets legally or socially acceptable for an American. I am poorly familiar with the puppet language but would guess something like this to execute the jar file: exec { 'jar_execution': command => 'cmd. it must. 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. 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. Moreover, the directory /etc/facter/facts. Puppet exec command with variable not executed. 6 will trigger a notify if the package version changes outside of puppet's control. 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. Just. Puppet doesn't provide a way to apply the same resource from the catalog multiple times, even in different run stages. It does not directly modify /etc/passwd or anything. Manages mounted filesystems, including putting mount information into the mount table. I have a custom resource (define) that creates a file in a particular directory. 0 on RHEL 6 and am doing package management via the exec resource. Resource Type: exec; Using exec on Windows ; Resource Type: file; Using file on Windows. So use this resource for specific case like when it receives events by using the refreshonly parameter. exec; Exec tips and examples for Windows; file; File tips and examples for Windows. Specify multiple resources as an array of references. Puppet File resource runs despite Exec unless. This module uses types and providers to download and manage compress files, with optional lifecycle functionality such as checksum, extraction, and cleanup. Tip: Iteration functions take an array or a hash as their main argument, and iterate over its values. Catalogs. AttributesYou can also browse and manage resources interactively using the puppet resource subcommand; run puppet resource --help for more information. Then you could add an unless attribute: unless => "test $(</var/tmp/last_run) == $(date +%d)"I have a scenario wherein i have 5 template files that needs to be copied to the puppet agent machine. What you present has no chance of working anything like how you intend. bashrc"], refreshonly => true, } However, as @womble already pointed out, there's no point in sourcing . require means that the the resource passed to require must be applied before the calling resource. You could wrap these both in a defined type to make it re-usable. Puppet can execute binaries (exe, com, bat, etc. In practice, in current and historical versions of Puppet, if a resource is going to refresh then it will do so immediately after it is (or would have been) synced. You can access archived-in-place docs using their original URLs, or from the links here. A String that can be converted to a floating point number can also be used in this version - but this is deprecated. Puppet contains resource types to manage some SELinux functions, such as Booleans and modules. You can, however, write several patterns that collectively match all the files. %wheel ALL= (fred) NOPASSWD: /usr/bin/echo "hola dan". So likely not what the. Like, from scratch. ) A caution: There’s a widespread tendency to use collections of execs to manage resources that aren’t covered by an existing resource type. [1]Classes have no analogous feature. A manifest is a file containing Puppet configuration language that describes how resources should be configured. This can be used with bash on Linux, but with the. Assuming your unspecified task is handled by an exec resource, you could design this in such a way that Puppet only ever regards the exec as out of sync once per day. I am using vagrant with puppet to set up virtual machines for development environments. Optional resource types for Windows. Providers. ) The group name. If the task fails (returns non zero), catching this is basically /bin/long-running-task || <err catching code>. Puppet can run. Write a module that contains a class called privileges to manage a resource that sets privileges for certain users. Puppet Resources are the building blocks that puppet uses to model system configurations. The exec resource type executes external commands on the client. When puppet runs, it will check the status of the package and service and will perform actions as necessary to get to the. 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. But i want it to run after all the resources are created so that i can get the information about the. The . For instance, if you wanted to rename the Guest account. 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. 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 =>. As a result, notifications are shown as a change on every Puppet run. If you declare a resource, it is expected that puppet brings your machine to that state (installed package) and if not, it will fail automatically. The value that represents the data type of these values is Type. 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. The general form of a resource reference is: The resource type, capitalized. I'm trying to configure APT to not install recommended packages. They take a control expression and a list of cases and code blocks, and will. For instance, in this example manifest, I want to run a PowerShell command that adds the string “Hello” to the contents of a text file (“C:\test. A resource declaration adds a resource to the catalog and tells Puppet to manage that resource’s state. Default value: undef. 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. Directory separators in file paths. 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. (See the notes on refreshing below. By default, Puppet apply does not communicate over the network. – Matthew Schuchard. What it sounds like you are asking here is how to iterate over a hash and have each resource in the iteration notify an exec resource. Hot Network QuestionsConditional execution of puppet defined resource type through exec. I would like to add a number of control gates into my manifest via onlyif and unless. give it a "high level" description of what you want (using the jboss::apps defined type), and include a description of what it is (by including the corresponding modules on the client); provide a. 1. When a resource is "changed", then it notifies any resources subscribed to its own change. Puppet agent runs as a specific user, by default LocalSystem, and initiates outbound connections on port 8140. I'm just suggesting a possible reason for the downvote on your answer, regardless of whether it was strictly-speaking. Puppet: Could not find class. Mar 17, 2015 at 15:49. The command should only be run as a refresh mechanism for when a dependent object is changed. To run an exec task, use the task command, specifying the command to be executed. group. pp) file. Several resource types (including file, exec, and package) take file paths as values for various attributes. 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. 2 install on Ubuntu 18. 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. ) (See the notes on refreshing below. There is another metaparameter, subscribe. ) (See the notes on refreshing below. cron. Puppet file resource not resolving the source attribute. Tip: Iteration functions take an array or a hash as their main argument, and iterate over its values. There is also a second puppet exec resource that uninstalls 7-zip, lets call it uninstall-7-zip. This is just to show the general concept. Puppet Exec resource to apply only when a File changes. Long answer The scheme you have in mind is not compatible with Puppet's master/agent paradigm. 2. 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. The provide method takes three arguments plus a block: The first argument must be the name of the provider, as a :symbol. In this case, the resource type is file. puppet-service should be stopped only if file exists. ). . Puppet: Exec from class when Exec from another class is successful. The derived. Compares the actual state to the desired state. Install the saz-sudo module as the foundation for managing sudo privileges. the source file (either a puppet URI or local file) of a pre-compiled SELinux policy package. Related. Puppet can run binary files (such as exe, com, or bat ), and can log the child process output and exit status. , Perforce Software, Inc. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. Instead of using loop keywords, the Puppet language uses iterative functions that accept blocks of code called lambdas. With the never ending profusion of languages. The Puppet site manifest (site. Note: You can add the sudo and privileges classes to as many agents as needed. exe /c java -jar foo. Note Serverspec is also what people generally use to solve this problem for Ansible and Chef also. In this case, my modules are located in C:modules, and the WSUS Client module is at C:moduleswsus_client. 0. Exec tips and examples for Windows; file; File tips and examples for Windows. 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. You can write resource types and providers in the Puppet language. Puppet runs exec commands outside of an interactive shell for simplicity and security. 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. exec { 'Task1': command => '/bin/long-running-task', timeout => 3600, } If this long running task fails or times out, it'd be optimal to get a notification of this failure. (See the notes on refreshing below. (Namevar: If omitted, this attribute's value defaults to the resource's title. sudo -u fred /usr/bin/echo "hola dan" Note that I used sudo -u in favor of sudo su -. In your command prompt, run: puppet resource registry_key 'HKLM\Software\Microsoft\Windows' 1. If you remove the parameter it will also fail if the regular execution policy is set to Restricted. Resource relationship chaining arrows. Puppet contains resource types to manage some SELinux functions, such as Booleans and modules. Exec ['get-chocolatey'] -> Package<| provider == 'chocolatey' |>. The value that represents the data type of these values is Type. It declares resources that define state to be. What you would need is a way to implement this process: check if resource A (a package, say) needs a sync action (e. 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. In your command prompt, run: puppet resource registry_key 'HKLM\Software\Microsoft\Windows' Puppet supports most of the conditional structures you can find with traditional programming languages, like if/else and case statements. Standard shell globbing in general and the Ruby globbing function that Puppet relies upon in particular do not have either sub-patterns or a pattern-level negation operator. The export has no effect. Learn to use Bolt to execute commands on remote systems, distribute and execute scripts, and run Puppet tasks or task plans on remote systems that don’t have Puppet installed. I'm currenlty using puppet open source. The name of the resource must be the filename (without path) of the DMG file. 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). If Puppet is managing any role accounts corresponding to the user’s roles, the user resource will autorequire those role accounts. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. In this example, the title is C:Tempfoo. For detailed information about these types, see the Resource type reference or the other pages in this section. group. (See the notes on refreshing below. How to detect that a puppet run is complete. Alternatively, if that is valid, call the prior script through the latter's onlyif or unless parameter, instead of as its own exec resource. Resources are the fundamental unit for modeling system configurations. If this succeeds it will present the resource in the same format as you'd use in your manifest. Moreover, the directory /etc/facter/facts. When Puppet applies a catalog to the target system, it manages every resource in the catalog, ensuring the actual state matches the desired state. , adding a search path for exec resources or controlling directory recursion on file resources). Follows 302 redirect and propagate download failure. Inside a double-quoted string, surround the name of the variable (the portion after the $) with curly braces, such as ${var_name}. Puppet offers expert training in methods that work best for you. So, in order to avoid this I am adding the refreshonly parameter as follows. 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. When using exec resources with the powershell provider, the command parameter must be single-quoted to prevent Puppet from interpolating $(. 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. Resource reference or data type. 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. ) The name of the service to run. Given that, you can use a lambda iterator on the hash. That could be achieved by having your exec write the calendar day into a file. 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. exec { "Change status and start-up of Win service": command => 'C:\Windows\System32\WindowsPowerShell\v1. How to apply resource only if content would change. Available providers are: psql. For what it's worth, I did downvote the question, as is called for for one that shows complete absence of research effort; someone else has upvoted it for no apparent reason. First you construct the hash with your keys: I am running Puppet v3. 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. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. If you do need to do it via say the exec resource, then @16c7x's statement is correct. In general convert. The actual behavior depends on the value of the ‘ensure’ parameter. 1. It is messy and not best practice though. filter by arbitrary "foo_update" # tag and relate it to all Package resources Exec. ” There is also a set of values whose data type is “data type. All parameters are optional. (Namevar: If omitted, this attribute’s value defaults to the resource’s title. puppetlabs-registry is a custom type and provider, so you can use puppet resource to look at existing registry settings. Puppet - How to purge a directory. I don't think there is an exception handling in a programmatic way you would like in Puppet. notify. inheritance. and if it is not by default, at least there should be an option in puppet exec to do so (equivalent to "set . Short answer: no. Recall that Puppet builds a directed acyclic graph, and it computes the final ordering from traversing that graph. The general form of a resource reference is: The resource type, capitalized. ) (See the notes on refreshing below. Create a defined resource type by writing a define statement in a manifest ( . 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. Classes generally configure large or medium-sized chunks of. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. This page provides a reference guide for Puppet 's built-in types: package, file, service , notify, exec, user, and group. You can create relationships between 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. (See the notes on refreshing below. Puppet file_line only if file exists. If the resource type includes a namespace separator ::, then each segment must be capitalized. 2 and are. If a resource subscribes to another resource, then Puppet tries to "refresh" that resource if the resource it is subscribed to changes state. In the minimal example above we first give the command a. Could someone please advice the best approach?sudo puppet resource package puppet-server ensure=latest. Here is an example on how you can use this:Using service on macOS. For example, in this file resource declaration, the title is /etc/passwd: file { '/etc/passwd': owner => 'root', group => 'root', } This expression essentially instructs Puppet to have any package resource require the "apt-update" exec resource. When installing the packages from a DMG, this provider writes a file to disk at /var/db/. Iteration functions. It is possible to execute any commands by using exec resource, but it is not recommended because it is critical. 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. Providers implement the same resource type on different kinds of. By default, Puppet ’s HTTPS traffic uses port 8140. bashrc'", subscribe => File ["/root/. ) Default value: puppet, which backs up to a filebucket of the same name. If a given resource is already in the desired state, Puppet performs no actions. file { '/var/owner => 'recurse => true, } As a matter of fact, Puppet currently cannot automatically create all parent directories. Execute resource in Puppet if another resource fails. (See the notes on refreshing below. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. The Puppet “exec” resource allows users to run commands and scripts on nodes. Resource references identify a specific Puppet resource by its type and title. This is a fallback resource. 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. This is the “brute force” resource in Puppet. Puppet: How to execute a Exec resource if another Exec resource failed. Install Puppet Agent on bulk windows server. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. The notifying arrow is a tilde and a greater-than sign ( ~> ). But either way the trailing exit statement in the command will return a non-zero exit code if that happens. You should add all relevant directories as resources instead. g. Other core types. The ordering arrow is a hyphen and a greater-than sign ( -> ). Puppet doesn't have all the pathing/env variables you're used to as a regular user, so you need to be. For example:. Interpolation. 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. 1. It is used to enforce property values such as owner, mode etc. Whether to manage the home directory when Puppet creates or removes the user. Declaring providers. By specifying the URL in a source parameter you can put an actual descriptive. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. This page provides a reference guide for the core Puppet types: package, file, service, notify, exec, cron, user, and group. The specific backend to use for this ora_exec resource. It is safer to regard exec resources as the last resort or emergency exit that is only to be used if all other alternatives have been exhausted. macOS handles services much like most *nix -based systems. (To take an example from Windows, you would use "wuauserv" rather than "Automatic. te file. Either variant works equally fine. specified as a string, to the agent run-time log. There are a large number of built-in resource types and the Puppet 5. Any command. To make an exec resource fit into Puppet’s model better, you should use one of the following parameters instead.