Taking the baseline time away, the old module took 20 seconds (32 - 12) and the new module took 10 seconds (22 - 12). For information on all core types, including supported types in the puppet-agent package, see. Generally speaking, details of machines' current state on which Puppet is to base decisions about the contents of that machine's catalog must be communicated to the. h ), and the sub-processes it spawns. Modules that are supported by Puppet, Inc. ##Limitations. This module adds a powershell provider to the exec type, which enables all of the exec parameters, such as creates, onlyif, unless, etc. Here is my code (Puppet): exec { 'Download mediawiki to temp': cwd. You can read more about it here. Publish a module; Topics. notify. Re-writing scripts into manifests is time-consModules that are compatible with Puppet Development Kit (PDK) validation and testing tools. Your solution sounds like a work-around and it is therefore totally ok to implement a work-around using Exec. Secondly I would like to use booleans from a bash script running diff <() <(). Larger exit codes on Windows behave inconsistently across different tools. I am trying to use code like this: exec { 'example': path => 'C:\Windows\System32', command => 'something', unless => 'reg query "HKEY_LOCAL_MACHINE\Software\My key" /f 5. Puppet tasks are single, ad hoc actions that you can run on target machines in your infrastructure, allowing you to make as-needed changes to remote systems. Puppet Exec tag onlyif troubles. Puppet 3 is no longer supported, but we. You can also set variables within the manifest, which can change the. I'm not sure what the problem is, and I need more information. Resource default for the exec type A resource default statement set default attribute values for a given resource type. {"payload":{"allShortcutsEnabled":false,"fileTree":{"manifests":{"items":[{"name":"fcontext","path":"manifests/fcontext","contentType":"directory"},{"name":"boolean. run this on your node -. In other words, if you use standard Puppet relationships to ensure that tooling is managed prior to classes or resources that use the deferred functions using that tooling, then it will operate as expected and the function will execute properly. unless. You may need to reboot the system after enabling if SELinux was. Puppet Resources are the building blocks that puppet uses to model system configurations. It am trying to add 'replica' user to my postgres server though puppet so i can use it in my master-salve cluster. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. Modules. Puppet exec unless doesn't appear to work how I expect. Puppet strange behaviour of execs. So, in order to avoid this I am adding the refreshonly parameter as follows. I am trying to create Puppet exec that would only execute if certain Windows registry value does not exist. Puppet can run binary files (such as exe, com, or bat), and can log the child process output and exit status. 163k 8 82 159. Share. Which means, that I have to check all facts and input to puppet outside of puppet, or my custom facts have to be sanitised or pre-escaped before puppet sees them, which is a shame! :-( I'm surprised I can't find an equivalent of Perl's quotemeta or Ruby's Shellwords. This module adds a powershell provider to the exec type, which enables exec parameters, listed below. When using Puppet APIs to load file content and metadata, you can access files in the scripts/ directory of a module using the scripts file mount. The . I have two similar Exec[] in a class, both with the onlyif parameter, as you can see below. 0. But it when I try it, it is. As best I can tell by reading the source code the "holdable" feature is fundamentally flawed. They take a control expression and a list of cases and code blocks, and. config/autostart ]' is not qualified and no path was specified. Topics. The problem is that the exec command is running before the group command. This release documents the noop behavior of the onlyif and unless parameters of the exec resource. Bolt docs. The onlyif and unless. You can validate that a manifest's syntax is correct by using the command puppet parser validate. If exec command was successful and facter returns true then only it should execute, but following manifest executing individually without checking whether that exec. I would like to simply set a few environment variables in the . So if you put an exec without conditions, it will execute the command on every run. Explanation. 0. unless: A shell command that is run as a test to determine if the command should not run. The notifying arrow is a tilde and a greater-than sign ( ~> ). Find can exclude Named Pipes:-type c File is of type c: b block (buffered) special c character (unbuffered) special d directory p named. Understand the syntax and function of the if, unless, case, and selector statements. In this blog post, we'll make it simple with definitions and examples to explain the basics of platform engineering vs. When a lambda requires extra information, pass it to a function that provides the information and to evaluate the code, possibly multiple times. If you do need to do it via say the exec resource, then @16c7x's statement is correct. 1. command => '/path/to/script. 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. If you are using Puppet 3. I was hoping to use onlyif in my class, but it seems a little confusing when trying to check for an absent registry value that contains my route. 1. Tim Gosley’s four decades in puppetry include a wide spectrum of projects. Aside from being good. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platformsExpand. 1. Try checking the puppet master log at /var/log/puppetmaster. So it will likely work better if the command you are trying to pass will actually execute outside of Puppet. 4 Answers Sorted by: 24 Have you tried this? onlyif => "test ! -f /usr/local/bin/papply" Not sure if Puppet can use the '!' character Perhaps a better. There are a number of parameters you can set. You can create relationships between resources or groups of resources using the -> and ~> operators. d/ Prevents Puppet from considering. – tom. The onlyif and unless commands of an exec are used in the process of determining whether the exec is already in sync, therefore they must be run during a noop Puppet run. Share. This seems to work just fine. That is always handled by the service resource. Puppet check if a nagios resource exists. 12 behavior got changed to match the intention. Exec ['get-chocolatey'] -> Package<| provider == 'chocolatey' |>. If you remove the parameter it will also fail if the regular execution policy is set to Restricted. The commands in an Exec resource either have to be fully qualified (i. Another way to control an exec resource is to add a refreshonly => true attribute. . ps1', } Puppet uses the same. 1. but the command fails. The onlyif and unless commands of an exec are used in the process of determining whether the exec is already in sync, therefore they must be run during a noop Puppet run. 6. group. 1. puppet and I'm running into some issues. 1. I am using vagrant with puppet to set up virtual machines for development environments. Code so far (which is not working) is: Hiera snippet:By default, Puppet agent runs as the Administrator account, which has this privilege. Apart from all that, it is good practice with Puppet to actually deploy wrapper scripts that your exec resources. So then intention and documentation has always been the same since 4. Iteration functions. How to ensure Service is restarted before commands from Exec resource execute? 0. Certainly, Notify is right out. Puppet: exec onlyif value is not equal. "Unless" statements work like reversed if statements. November 8, 2023. The whole idea of adding this step is to check and execute the command- makeswap only if the swap is not in place. Puppet reboot in stages. require means that the the resource passed to require must be applied before the calling resource. exe /c java -jar foo. exec { "Change status and start-up of Win service": command => 'C:WindowsSystem32WindowsPowerShellv1. When evaluated, these tagged expressions can modify text in the template. Valid options: String. 0. Note: Data sources can use the special lookup_options metadata key to request a specific merge behavior for a key. "exec / onlyif" and "exec / unless" are kind of measures-of-last-resort in the Puppet world (now, having said that, I must admit that I'm completely guilty of using it myself on occasion :p ). , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. running the code resulted in: fatal: [192. As for a "more intelligent way of excluding", I think you need to couch the question differently. This module is particularly helpful if you need to run PowerShell commands but don't know how PowerShell is executed, because you can run PowerShell commands. 2. instances method defined) a parameter that can ensure the resource's absence; When both these conditions are met, Puppet can purge the resources it doesn't explicitly. This example specifies defaults for the exec resource type attributes path , environment , logoutput , and timeout . The issue is, while first two are correctly executed under "user", third command is executed in. Note: These two behaviors should not be mixed for a given class. exec { 'update hostname': command => 'hostname VM01', path => '/usr/bin:/usr/sbin/:/bin:/sbin', unless => '[ "$(hostname)" == "VM01" ]', } You need to. refreshonly => true on an Exec resource requests that its command be run only in the event that the resource is refreshed. silent way to import registry file via puppet module. The exec has refreshonly => true , which only allows Puppet to run the command when some other resource is changed. The Puppet “exec” resource allows users to run commands and scripts on nodes. There are a few important parameters to use when writing an exec resource with PowerShell. I am poorly familiar with the puppet language but would guess something like this to execute the jar file: exec { 'jar_execution': command => 'cmd. Puppet 7. Over the years of using puppet I've noticed that people often come up with the same kind of. Basically, it makes it so you can use PowerShell Modules exactly like you use Puppet modules. g. exe -NoProfile -NoLogo . No find command is run; the test just passes by examination of the argument. Setting noop=>false means your file resource will always be applied, even in a noop run. Commenting out or outright deleting the class declaration, as you have done, is the simplest and most universal method for ensuring that the class is not applied. Visit Stack ExchangeYes, you'd put a script into your modules path under a facts. txt –Value “Hello”’, logoutput => true, provider => powershell, } } The three parameters I use in this manifest are command, logoutput and provider. Puppet does not know about the files which are been modified by the shell script. 4. The command should only be run as a refresh mechanism for when a dependent object is changed. Puppet: Conditional exec using unless-option. Puppet: Exec from class when Exec from another class is successful. Puppet Exec resource to apply only when a File changes. 2) that no other resource is set to 'notify' Exec ['command_two']. All groups and messagesCreate A Puppet Configuration File. He just built and performed the lead puppet for a Toronto television pilot. Alternately, you can put the PowerShell code. Puppet: how to remove a directory and everything in it. The logoutput parameter just logs the output to the. Try adding -Scope LocalMachine to your unless statement. So I assume when the puppet agent runs on my node I should NOT see pkill -SIGQUIT mysqld; sleep 5; systemctl restart mysqld execute. ##Limitations. To run tasks with Puppet Bolt, Bolt 1. e. exe -executionpolicy remotesigned -file C:\test. Puppet avoids destroying directories unless the force attribute is set to true. lst contents. ), and can log the child process output and exit status. gz packages are copied to the remote systems during every puppet run, while these files where removed after installation and software has been. a sysadmin might manually run it. 1 run Exec only if another Exec ran. execute (command, options = NoOptionsSpecified) ⇒ Puppet::Util::Execution::ProcessOutput (also: util_execute) Executes the desired command, and return the status and output. Only supported on Windows Server 2003 and above, and Windows 7 and above. exe and specifying a file path in the command line, be sure to use backslashes. 1. d directory, then puppet agents pull it down and execute it on every run and provide the fact. Their exit codes convey whether to proceed with running the main command. 1. But, only deploy the scripts when certain file exists, one that would only exist on the first puppet run after build. Iteration features are implemented as functions that accept blocks of code ( lambdas ). However; I would like promote these into our production branch. You can use the unless parameter to only execute the statement in certain states. 1 Answer. Based on that documentation, a when statement was added: - name: add vhost sensu command: rabbitmqctl add_vhost /sensu when: rabbitmqctl list_vhosts | grep sensu. If this parameter is set to true all necessary changes are made to make a server compliant to the security baseline rules. Detecting if windows service is already installed using puppet exec. 1. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. Using onlyif allows you to use the return value of one or more commands as your execution criteria; run the exec on a return of 0. Case statement. In Puppet, when using the exec resource, you can specify an "unless" attribute. In the Puppet language, nearly everything is an expression, including. For example, command => 'cmd. 3. The Puppet exec resource has OnlyIf and Unless attributes which can be used to limit when the command is invoked; e. The code that creates the container is executed unless the following test if the container exists succeeds: lxc-info -n $ {lxcname} >/dev/null. The onlyif parameter is defined as. The one thing the exec doesn't need to do is put the service in a started state. Modules that are supported by Puppet, Inc. NORTHWEST LIBRARY FEDERATION. A quick reference of syntax examples for the Puppet language. However, when I clean my /tmp and apply the manifest again, it fails because the first exec doesn't executed. What I am looking for is a way to make the exec command dependend on the checksums of arbitrary other files:Adds a new exec provider for executing PowerShell commands. Yet when I run puppet agent -td I see that the puppet agent IS executing pkill -SIGQUIT mysqld; sleep 5; systemctl restart mysqld. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. The Puppet “exec” resource allows users to run commands and scripts on nodes. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. com I am trying to create Puppet exec that would only execute if certain Windows registry value does not exist. if statement, using expressions and facts. It sounds like this is exactly what you need: exec { 'test_cmd': path => $::path, command => 'cmd. These are command. 1. For detailed information about built-in types, see the Resource type reference. I can do something like: file { '/tmp/wehavepostfix': ensure => file, content => "foobar", require => Package ['postfix'], } However, this requires something like:With PE, run puppet task run exec command="df -h" --nodes neptune. After changing topology strategy, cassandra should rebuild keyspace - this is where puppet comes. refresh: Command to execute if the resource is refreshed due to a notify or subscribe. It logs all diagnostic messages during a Puppet run. 1 on many Windows machines. exec { ‘SETHELLO’: command => ‘Add-Content -Path c:\test. Improve this answer. <%= EXPRESSION %> — Inserts the value of a single expression. onlyif and unless in --noop documented. if exec joins the domain, it should have an unless condition that tests whether or not the machine is part of the domain. The Puppet Design Philosophy Before we begin to explore best practices with Puppet, it’s valuable to understand the reasoning behind these recommendations. 0. Note: PowerShell variables (such as $_) must be escaped in Puppet manifests either using backslashes or single quotes. It is not possible to use bash here. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. exec {'rename-guest': command => '(Get-WMIObject Win32_UserAccount -Filter "Name='guest'"). The onlyif and unless commands of an exec are used in the process of determining whether the exec is already in sync, therefore they must be run during a noop Puppet run. When using cmd. This says "get-chocolatey" should happen before any package resource with a Chocolatey provider. . Puppet's if statement allows you to change the manifest behavior based on the value of a variable or an expression. exec { "Test": command => "/bin. exe only when the aspnet_banking_app is created or changed. I am wondering whether it is possible to have Puppet only stop and disable a Windows service if it exists. As a result, notifications are shown as a change on every Puppet run. The onlyif and unless commands of an exec are used in the process of determining whether the exec is already in sync, therefore they must be run during a noop Puppet run. So on a fresh installation, a refresh event will be received but the resource will. Puppet: Exec from class when Exec from another class is successful. Modules that are supported by Puppet, Inc. Learn more about TeamsIt's just not something you can do with vcsrepo unless you can override path (you can in exec). exe /c C:/test. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. Explanation Sometimes a simple creates isn't enough to determine if an exec should run or not. Expressions can be compounded with other expressions, and the entire combined expression resolves to a single value. supported Adds a new exec provider for executing PowerShell commands. Since moving to Puppet 5. As per the exec documentation, the onlyif/unless exec command result will override the receipt of refresh. John. "Unless" statements work like reversed if statements. Puppet Exec resource to apply only when a File changes. It is a limitation of the underlying system. Without one of these conditions, the exec will run on every run of the puppet file which is generally undesirable. If I try creating it as my process user, I get permission denied. Puppet includes two Ruby APIs for writing custom functions. In conjunction with Facter, which makes details of a machine available as variables. 2 install on Ubuntu 18. 0 and above would look like this: exec { "apt-update": command => "/usr/bin/apt-get update" } Exec["apt-update"] -> Package <| |> Every time a package command is executed, the dependency (in our case 'apt-update') will be triggered fist. Using onlyif allows you to use the return value of one or more commands as your. The 'onlyif' and 'unless' commands of an Exec are used in the process of determining whether the Exec is already in sync, therefore they must be run during a --noop Puppet run. All groups and messagesConditional execution of puppet defined resource type through exec. The risk of course is that Puppet runs more than once in that hour, e. Puppet Exec resource to apply only when a File changes. Running Powershell command directly using Puppet exec resource. unless => "powershell. Related questions. The strange thing is that when I reboot my machine and re-run puppet apply, it reruns the creation of this directory on every reboot. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. Conversations. In a particular project, I have a lot of Puppet exec resources with pipes. Manage local groups . Puppet File resource runs despite Exec unless. Puppet avoids destroying directories unless the force attribute is set to true. Puppet File resource runs despite Exec unless. 5. Puppet exec unless doesn't appear to work how I expect. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. I would like to add a number of control gates into my manifest via onlyif and unless. You can also set variables within the manifest, which can change the. I have a script that really only needs to be run one time on a server, i. Any recommendations on running. Stack Exchange Network Stack Exchange network consists of 183 Q&A communities including Stack Overflow , the largest, most trusted online community for developers to learn, share their. For example, to view the free disk space of a host, run: With. If the agent can perform the requested action at all, then it does not need sudo in order to do it, as it would be running with privilege in the first place. I want to check, if a given string is inside an array and if it isn't, I want to execute the code inside. Adds a new exec provider for executing PowerShell commands. On reboot, the directory doesn't exist, strangely enough. In this case specifying a directory is done by setting ensure to (unsurprisingly) directory. This module is particularly helpful if you need to run PowerShell commands but don't know how PowerShell is executed, because you can run PowerShell commands. Puppet Exec Resource. This means that if a file is currently a directory,. exec { 'nagios-permissions': command => "/usr/bin/chown -R nagios:nagios $ {confdir}", onlyif. #####unless Runs the exec, unless the command returns 0. Windows shared folder is a folder that has been configured to be accessed by multiple users over a network. Depending on your client's platform you can use ACLs to grant varied permissions to more than one group or user. execute update-grub, which would look for avaliable kernels and would add related configs to the menu. 0powershell. escape. Please qualify the command or specify a path. However, this manifest will exec the command every time the puppet client checks in with the puppet master. 0. The 'creates', 'onlyif', and 'unless' parameters all provide mechanisms for Puppet to decide that an Exec resource is already in sync without running its (main) command. When you use any of the four so-called metaparameters for relationships in Puppet - those being: require , before , subscribe & notify - you tell Puppet that you want the application. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. ” There is also a set of values whose data type is “data type. That command will always return 0 (true): it just tests whether the given string is nonempty. g. Learn more See the exec documentation for the command, unless, and onlyif. The exec resource from Puppet, the automation framework, is a mysterious beast. In the code that Womble shows, there are no variables, so all the " should instead be '. Valid options: String. Only supported on Windows Server 2003 and above, and Windows 7 and above. Puppet provides a built-in exec type that is capable of executing commands. Here is the service file springboot. Connect and share knowledge within a single location that is structured and easy to search. the unless attribute provides a condition. This is where refreshonly backfires rather terribly. Puppet Labs modules on the Puppet Forge are open projects, and community contributions are essential for keeping them great. This style guide applies to Puppet 4 and later. Default: Undefined. This is a textbook case where you should write the test first, and the code after. fail when a file exist in puppet. I will show how these work in the example below. at deployment time, but figured it would be best to have Puppet manage it. Classes are named blocks of Puppet code that are stored in modules and applied later when they are invoked by name. Thanks!. However, when I clean my /tmp and apply the manifest again, it fails because the first exec doesn't executed. Puppet exec unless doesn't appear to work how I expect. log. An example in Puppet 2. There's a generalizable form of this dependency that might be helpful in reducing the repetition of the require statement. 2. Contribute to tarunmunjal/puppetlabs-powershell development by creating an account on GitHub. Puppet can take an existing PowerShell Module and build a Puppet module out of it. 3) Unless some other block has a before => Exec["my_exec_block"] in it, the Exec block will run in some arbitrary semi-random order, probably not when you want it to run. Puppet FuturePuppet is a configuration management tool which helps you to build the infrastructure and maintain its state. Something like this should work: - name: Get rabbitmq vhosts. Puppet can execute binaries (exe, com, bat, etc. Ensure directory tree exists. exe -ExecutionPolicy ByPass -command "here any command on powershell ""} On Thursday, October 9, 2014 4:22:14 PM UTC-3, Paul Ponzeka. exe startup arguments, so local scope will always return Bypass, thus causing it to fail on the unless every time. By default, Puppet returns the first value it finds, but it can also continue searching and merge all the values together. Teams. Sorted by: 0. exe /c echo "hello"'. To use the BoltSpec library functions, include them in either the spec_helper. , for example, the Exec resource being. There's a generalizable form of this dependency that might be helpful in reducing the repetition of the require statement. The onlyif parameter is defined as. It looks like you're having Puppet execute a shell script to perform the installation. Executables, zips and or tar. E. Unless you tell your exec not to run for some reason or another, it will always run. Puppet running exec. Try again and this time show the failure. Sep 13, 2012 at 15:51. sh', onlyif => systemctl service_trendmicro, # which system should return 0 or 1 for pass. 2. Sometimes I want to run a command one time on all servers, e. It sounds like this is exactly what you need: exec { 'test_cmd': path => $::path, command => 'cmd. It will package up all of its DSC resources and then wrap the Puppet Resource API around it so you can invoke it just like any other module. 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. The onlyif and unless commands of an exec are used in the process of determining whether the exec is already in sync, therefore they must be run during a noop Puppet run. Hot Network Questions tcpdump -vvv is not verbose enough In which situations or societies do people not take turns to. Validate your manifest with puppet parser validate. ora_exec {"drop table application_users@sid": username => 'app_user', password => 'password,' } This statement will execute the sql statement drop table application_users on the instance names instance. ) I am running Puppet v3. If this parameter is set, then this exec will only run if the command has an exit code. There are a few important parameters to use when writing an exec resource with PowerShell. If Puppet is managing the user that an exec should run as. As a suggestion:I am using Puppet installed with the powershell module. Using virtual box and a vagrant bas. 0, to 5. exec { 'chage': path => '/usr/bin/', command => 'chage -d 0 askar', subscribe => File ['askar'], refreshonly => true, } } I then verified that after applying the refreshonly parameter , the. 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. I am struggling with how to pass a puppet variable through to powershell. puppet agent -td --evaltrace --profile > agent_debug. On Windows, most exit codes should be integers between 0 and 2147483647. This means that if a file is currently a directory,. The documentation referenced is about something different: the 'unless' statement. 0 a new feature "relationship syntax" was introduced. The only plausible source of such an issue in the code you presented is your Exec's unless command: unless => "`ps -eaf | grep service | grep -v grep | wc -l` -eq 3" When the command there is executed by the shell, it first executes unless: A shell command that is run as a test to determine if the command should not run.