Puppet: How to execute a Exec resource if another Exec resource failed. Resource types. ) (See the notes on refreshing below. These are command. Start the Puppet agent with this command puppet resource service puppet ensure=running. , adding a search path for exec resources or controlling directory recursion on file resources). 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 ~/. You can use these special values to examine a piece. 6 and Puppet Enterprise ≥ 2. Providers are always associated with a single resource type, so they are created by calling the provide method on that resource type. Let’s say you want to execute a command based on a fact. require means that the the resource passed to require must be applied before the calling resource. d/x' is present. This is a fallback resource. You can use the Events page to analyze the root causes of events resulting from a Puppet run. ) (See the notes on refreshing below. 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. The code for both firewall executable resources contains refreshonly ⇒ true and subscribe ⇒ Package['attributes. 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. That command will always return 0 (true): it just tests whether the given string is nonempty. My manifest is as follows:After the exec resource completes, we trigger a refresh of the firewalld service but with a subscribe attribute pointing to the firewall-cmd executable resource. Then, you can install the Nuget package via the package resource in Puppet. 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. Puppet automates the delivery and operation of the software that powers some of the biggest brands in. Data type: Optional[String]Sorted by: 1. The external_nodes script receives the name of the node to classify as its first argument. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters,. This tool is a part of the policycoreutils-python package, which is not installed on Red Hat Enterprise Linux systems by default. it must. ) A caution: There’s a widespread tendency to use collections of execs to manage resources that aren’t covered by an existing resource type. There is always only one resource being applied, the next one will always wait for the previous to finish. How to apply resource only if content would change. txt. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. exec { 'chkconfig': command => "/sbin/chkconfig --add $ {shutdown_script}", require => File ['shutdown-script'] } This is actually your root cause here. Note the following details in this file resource example: Puppet uses a basic syntax of type { title: }, where type is the resource type. 0. In your command prompt, run: puppet resource registry_key 'HKLM\Software\Microsoft\Windows' 1. From the earliest days of Facter to the latest version of Bolt, we’ve always been firm believers in the power of open source and welcoming community ecosystems. 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. The Windows module pack is a group of modules available on the Forge curated to help you complete common Windows tasks. 1. When running Puppet commands on Windows, note the following: The location of puppet. The if condition is evaluated first and, if it is true, the if code block is. Next, use refreshonly to instruct the exec resource to only apply a change if the vcsrepo repo effected a change (vis a vis non-idempotent):. Note the following details in this file resource example: Puppet uses a basic syntax of type { title: }, where type is the resource type. In addition to the resource types included with Puppet, you can install custom resource types as modules from the Forge. 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. ) (See the notes on refreshing below. 5. Puppet ’s command line interface (CLI) consists of a single puppet command with many subcommands. The source attribute is mandatory. A String that can be converted to a floating point number can also be used in this version - but this is deprecated. Optional resource types for Windows. Follow. This is the documentation for Puppet's built-in resource types and providers. 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. The name of the resource must be the filename (without path) of the DMG file. Modules that meet Puppet's standards for being well written, reliable, and actively maintained. ) (See the notes on refreshing below. This page provides a reference guide for Puppet 's built-in types: package, file, service , notify, exec, user, and group. To encrypt sensitive data with hiera-yaml, run through the following steps: Install hiera-eyaml: puppetserver gem install hiera-eyaml. Puppet contains resource types to manage some SELinux functions, such as Booleans and modules. The notifying arrow is a tilde and a greater-than sign ( ~> ). Short answer: no. If this parameter is set, then this exec will only run if the command has an exit code. Yes, and yes. Moreover, the test command tests for the existence of a the specified path. txt. exe /c C:/test. You will need to update your manifests to use the new parameter names. 10. If Puppet makes changes to this resource, it causes all of the notified resources to refresh. If Puppet is managing any role accounts corresponding to the user’s roles, the user resource will autorequire those role accounts. – Matthew Schuchard. Resources. The general form of a resource reference is: The resource type, capitalized. Q&A for work. , needs installing) if so, trigger an action on resource B first (the exec for apt-get update)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. This is the “brute force” resource in Puppet. For example, the user type’s managehome attribute is a parameter — its value affects what Puppet does, but the question of whether Puppet is managing a home directory isn’t an innate property of the user account. 4. This can be used with bash on Linux, but with the. 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. The onlyif parameter is defined as. Deploy it with Puppet, and yes, do use an exec resource if you want Puppet to trigger the update. Tip: Iteration functions take an array or a hash as their main argument, and iterate over its values. Takes a single numeric value as an argument. So a native resource won’t do it - your Exec approach is the right way to achieve what you want. the code is working well with puppet apply, now when I am trying to write rspec test for the same, i am facing issues and getting failure messages. ; Optional resource types for Windows In addition to the resource types included with Puppet, you can install custom resource types as modules from the Forge. Service['dev. refreshonly. Puppet can run binary files (such as exe , com , or bat ), and can log the child process output and exit status. If a given resource is already in the desired state, Puppet performs no actions. 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. In the minimal example above we first give the command a. The file type can manage normal files, directories, and symlinks; the type should be specified in the ensure attribute. But that's ok, because Puppet also tracks a queue of resources. 0. conf depends on whether the process is running as an administrator or not. The . Yes, via the notify meta-parameter. 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. Use per-resource default attributes when possible. You could wrap these both in a defined type to make it re-usable. This can be used with bash on Linux, but with the PowerShell provider, it can run PowerShell on Windows and Linux nodes as well. Meanwhile, the subscribe metaparameter i conjunction with refreshonly => true declares that the resource should be applied if and only if the. For each resource Puppet determines whether it needs a sync, and then acts accordingly, all in one step. When using execs, make sure the command can be. The exec resource type executes external commands on the client. That could be achieved by having your exec write the calendar day into a file. What worked was putting the definition in the class where I want to use some exec resources, but that is basically the same as defining the path for every exec. In the modified question, the resources involved have such a relationship already. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. pp. com to sign the CSR. You should add all relevant directories as resources instead. Now you will want to use the puppet apply command to execute the manifest. Puppet: How to execute a Exec resource if another Exec resource failed. You will seldom need to specify this — Puppet will usually discover the appropriate provider for your platform. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. I am writing a bash script that will be run by puppet by an Exec resource (I know. Resource reference or data type. disable_keys: Disables the requirement for all packages to be signed. In this example, the title is C:Tempfoo. All resource types (single-page reference) Core types cheat sheet; Optional resource types for Windows; augeas; Augeas tips and examples. There are a few important parameters to use when writing an exec resource with PowerShell. After that nothing else happens. To get started with the module,. As noted in the docs for the Exec type, there is the refreshonly attribute:. This documentation applies to Puppet ≥ 2. Long answer The scheme you have in mind is not compatible with Puppet's master/agent paradigm. txt. on directory contents and subdirectories recursively. As a result, the chown in the main command always is run, and that is reported. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. This parameter doesn't cause Puppet to create a file; it is only useful if the command itself creates a file. The Puppet “exec” resource allows users to run commands and scripts on nodes. Selector expressions. 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. For example, you can write a Puppet module to deploy an application, but you only know that Puppet did what you told it to, and not that the application actually successfully deployed. Isolation is important, because changes that are made to things like. Apart from all that, it is good practice with Puppet to actually deploy wrapper scripts that your exec. First I would like to use booleans as defined in Hiera [ auto lookup function ]. Puppet can execute binaries (exe, com, bat, etc. Ordering follows from that, but so also. For instance, to rename the Guest account:. If you're new to Puppet, we recommend the following resources to get you started: Learn Puppet. Normally in Bash I use echo and in a manifest I use notify. To run an exec task, use the task command, specifying the command to be executed. Usage. (See the notes on refreshing below. filter by arbitrary "foo_update" # tag and relate it to all Package resources Exec. 7. At Puppet, open source software is in our DNA. , for example, the Exec resource being evaluated but its command not run). However, if all you want is to. The very first concept we want to introduce you to is the Puppet manifest. . 0. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. Writing Manifests for Windows. If the resource type includes a namespace separator ::, then each segment must be capitalized. 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. Refresh: service resources can respond to refresh events (via notify, subscribe, or the ~> arrow). We explore those in depth in Chapter 5. It applies the resource on the left before the resource on the right. You can write resource types and providers in the Puppet language. Default value: undef. I'm trying to purge from that directory all things that haven't been defined in my puppet code. user. In this example, the title is C:Tempfoo. 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. puppet resource exec order for an array of items mapped to metaparameters. Puppet Server and Puppet ’s companion utilities Facter and Hiera, have their own CLI. ) (See the notes on refreshing below. 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. Classes are named blocks of Puppet code that are stored in modules and applied later when they are invoked by name. In general convert. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. Let’s say you want to execute a command based on a fact. ssh/authorized_keys that aren’t being managed with. Interpreting the output of the puppet apply command; Adding control. 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 =>. (See the notes on refreshing below. It declares resources that define state to be. Communities strengthened by dancing, singing, and making music togetherSyntax: cat file_name. The PowerShell module uses a custom PowerShell host that ensures this data is cleared before each Puppet resource executes. This module appears to make use of the "unzip" command which gets executed via the exec resource. You can create relationships between two resources or groups of resources using the -> and ~> operators. Puppet have a defined resource fail if a variable is set to undef. I'm afraid this sofware isn't installed on my windows puppet agent. exec. I'm currenlty using puppet open source. Refresh: mount resources can respond to refresh events (via notify, subscribe, or the ~> arrow). I want to create a new file on a specific Puppet agent and store the output of a Linux command to the file. 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. 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. , adding a search path for exec resources or controlling directory recursion on file resources). , or an affiliate. Puppet ’s command line interface (CLI) consists of a single puppet command with many subcommands. Conditional statements let your Puppet code behave differently in different situations. Resources are the fundamental unit for modeling system configurations. My notes on how to make it work for complex multi-exec configurations. Menu Log In List your. Resource relationship chaining arrows. (See the notes on refreshing below. group. 0. In this example, there is an array of command names to be used in each symlink’s path and target. When Puppet applies a catalog to the target system, it manages every resource in the catalog, ensuring the actual state matches the desired state. ) Default value: puppet, which backs up to a filebucket of the same name. For example:. 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. ), and can log the child process output and exit status. In this case, the resource type is file. Yes, with refreshonly => true. I am using vagrant with puppet to set up virtual machines for development environments. Puppet resources have to succeed, there's no way to ignore errors. Several resource types (including file, exec, and package) take file paths as values for various attributes. 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. bashrc"], refreshonly => true, } However, as @womble already pointed out, there's no point in sourcing . and if it is not by default, at least there should be an option in puppet exec to do so (equivalent to "set . One that provides a big benefit with very little effort is better resource naming. in. I have a class that executes a DSC resource, but required to wait for 20 seconds, before it executes it. Share. The Puppet site manifest (site. 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. Puppet exec command with variable not executed. An exec type resource will generally be run on. The most prominent exception among Puppet resources is the exec resource type, which is idempotent but relies on the user to design them accordingly. Run puppet exec on file update right from the first apply. 0. That means this approach checks the existence of /path/to/directory/. And as for the title of this question which I originally overlooked. If a resource subscribes to another resource, then Puppet tries to "refresh" that resource if the resource it is subscribed to changes state. Puppet Resources are the building blocks that puppet uses to model system configurations. 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. (See the notes on refreshing below. (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. Puppet Exec resource to apply only when a File changes. answered Mar 1, 2012 at. 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. This is what I have so far:{"payload":{"allShortcutsEnabled":false,"fileTree":{"lib/puppet/type":{"items":[{"name":"file","path":"lib/puppet/type/file","contentType":"directory"},{"name. Restart the Puppet master after upgrading; Step 4: Installing the agent nodes. Among them, notice (), info (), and debug () seem the. Infrastructure as code, task orchestration, event driven workflows. Inheritance is a process whereby a Puppet class can be derived from another class by using the inherits keyword. Consider. When Puppet applies the compiled catalog, it: 1. 7. The command will only run if the file doesn't exist. ) An arbitrary tag for your own reference; the name of the message. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. As a result, notifications are shown as a change on every Puppet run. Ensures that a given line is contained within a file. 1. notify. ~> (notifying arrow; a tilde and a greater-than sign) — Applies the resource on the left first. As a result, you cannot write a single pattern that matches all the files you want to remove. Finally, the exec type resources are the second notable case of receivers for events using notify and subscribe:When you run the command with a specific provider and resource name, for example puppet resource package strace on your local machine, puppet will try to load them in the way it does during a normal puppet run. password is not getting changed to the default password and also. There is another metaparameter, subscribe. Puppet contains resource types to manage some SELinux functions, such as Booleans and modules. Create exec resources with metadata to ensure it is idempotent. 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. sudo -u fred /usr/bin/echo "hola dan". Ensures that a given line is contained within a file. selinux::fcontext. 9 except the line: notify => Php5enmod ["upload_limits"], needs to be: notify => Exec ["php5enmod_upload_limits"], and then it works correctly. Puppet contains resource types to manage some SELinux functions, such as Booleans and modules. d. ) (See the notes on refreshing below. (See the notes on refreshing below. The powershell module adapts the Puppet exec resource to run PowerShell commands. Related. A common workaround for this kind of issue is to manage the entity in question with two or more resources. This function is backwards compatible with the same function in stdlib and accepts a Numeric value. The behaviour changed between Puppet 3 and 4. You can't use exec resources as conditional logic for other resources like this. puppet_pkgdmg_installed_NAME. By default, Puppet apply does not communicate over the network. pp --ordering=random ). sh', command =>. This is just to show the general concept. Any command. In addition to the resource types included with Puppet, you can install custom resource types as modules from the Forge. 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. The command will only run if the file doesn't exist. Note that I used sudo -u in favor of sudo su -. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. File contents can be managed directly with the content attribute, or downloaded from a remote source using the source attribute; the latter can. Resource-like declarations. file only when you need the script to be triggered to run, and the exec resource has to subscribe to it. Puppet code is composed primarily of resource declarations. Optional resource types for Windows. 1. There is also a second puppet exec resource that uninstalls 7-zip, lets call it uninstall-7-zip. Puppet can run binary files (such as exe, com, or bat ), and can log the child process output and exit status. 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. But the exec resource have to be called only once. I'll take a look at how some of the other modules are achieving this. rabbitmq'] will be applied before . This shell then immediately terminates. Data type: Optional[String] the source file (either a puppet URI or local file) of the SELinux . ) (See the notes on refreshing below. 0 through 3. There are a few important parameters to use when writing an exec resource with PowerShell. When Puppet applies a catalog to the target system, it manages every resource in the catalog, ensuring the actual state matches the desired state. To set configuration settings, run: puppet config set <SETTING VALUE> --section <SECTION >. pp file. --modulepath C:modules : As tasks are located in Puppet modules, we need to tell Bolt where the modules are located. exec; Exec tips and examples for Windows; file; File tips and examples for Windows. Defined resource types , sometimes called defined types or defines, are blocks of Puppet code that can be evaluated multiple times with different parameters. Puppet running exec before other commands. Description. Puppet Exec Resource. 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. So, when Puppet applies a catalog built from your code, it will firstly apply the Exec resource, i. The benefits over existing modules such as puppet-staging: Implemented via types and provider instead of exec resource. I'm trying to use exec resource in puppet 5 to install a CentOS virtual machine (VM). The interfaces to the various helper manifests has been changed to be more in line with Puppet file resource naming conventions. pp file: sudo vi lamp/manifests/init. Again, from an imperative approach this is fairly easy to deal with. Manage users. It should probably be php::php5enmod () and have it's own file. This seems to work just fine. rspec-puppet is the standard tool for that level of verification. 9 introduced parameterized commands, a safer way to write exec resources, and we're porting all of our Supported modules to use this safer pattern. Puppet 's if statements behave much like those in any other language. I'm a very new to Puppet, but I cannot wrap my head around this simple problem: I want to define a resource that simply execute a sequence of scripts, one after the other, waiting for one's execution to finish before launching the next. Puppet can run binary files (such as exe , com , or bat ), and can log the child process output and exit status. They are most helpful when combined with facts or with data retrieved from an external source. The general form of a resource reference is: The resource type, capitalized. inheritance. (See the notes on refreshing below. To make an exec resource fit into Puppet’s model better, you should use one of the following parameters instead. 2 install on Ubuntu 18. A Puppet master typically compiles a catalog from manifests of Puppet code. Since the resource in question is notified by another resource, you must not suppress it altogether. Your operating system and firewall must allow Puppet agent to initiate outbound connections on this port. onlyif. I think that, by default, the puppet exec resource should fail if any of the "single commands" fail (as in the second example). 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). A manifest is a file containing Puppet configuration language that describes how resources should be configured. name. 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. Defined resource types, sometimes called defined types or defines, are blocks of Puppet code that can be evaluated multiple times with different parameters. The source attribute is mandatory. Default value: undef. Classes generally configure large or medium-sized chunks of. Takes a single numeric value as an argument. 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). Each resource describes the desired state for some aspect of a system, like a specific service or package. Technically, you could use: exec { "root_bashrc": command => "bash -c 'source /root/. It would be quicker (and dirtier) to use an Exec resource to run an appropriate command: exec { 'ensure correct file permissions': command => 'chmod 0644 $(/bin/grep file. what does puppet do when a service's status fails? 1. (↑ Back to package attributes)refreshonly => true, } The important bit here is the ~> . You can read more about it here. 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. ) The group name. For instance, to. To override. exec {. Puppet User and GroupPuppet::Type. Default value: undef. However, we need to execute the semanage command to manage port settings. Puppet agent. 7. Specifying file owner, group, or mode for file-based settings is not supported on. The downside to this is that the exec will always run, so your Puppet runs will always report that a change was made. So in this case . It can replace or work in concert with the node definitions in the main site manifest ( site. Note: The Puppet Resource API is a simpler and faster way to build types and providers. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. 1 Answer Sorted by: 1 The pasted code isn't really valid Puppet code, it's hard to guess what it's supposed to do. I am trying to run a Powershell command directly using Puppet exec resource instead of specifying path to the Powershell script. The . ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. Another approach would be to use an Exec resource to test for the service, and then disable the service only if the service is found. 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. Iteration functions. If this is not true, then please clarify the question with terminology and details. The optional :parent argument should be the name of a parent class. The Puppet “exec” resource allows users to run commands and scripts on nodes. An "if" statement takes a Boolean condition and an arbitrary block of Puppet code, and executes the code block only if the condition is true. Puppet does this automatically for most resource types, but this is not possible for exec, because synchronization is defined so arbitrarily. The export has no effect. The default behavior is to report the exit code only for the last command in the pipeline. 2.