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 and I'm running into some issues. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. Like, from scratch. Follow answered Jan 12, 2015 at 6:48. 00 GiB'and $::facts['processorcount'] >= 2 and Exec['port_connectivity'] condition was successful. Usage. Hot Network QuestionsPuppet avoids destroying directories unless the force attribute is set to true. Do you have reason to think that there's something wrong. h ), and the sub-processes it spawns. Puppet provides a built-in exec type that is capable of executing commands. 6. But I think the correct way is to use creates: The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. After changing topology strategy, cassandra should rebuild keyspace - this is where puppet comes. 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. Puppet advanced default params. Windows puppet exec command file path. Puppet Coding Style - In Puppet, the coding style defines all the standards which one needs to follow while trying to convert the infrastructure on the machine configuration into a code. A quick reference of syntax examples for the Puppet language. 0powershell. 0. You can use expressions almost anywhere a value is required. In conjunction with Facter, which makes details of a machine available as variables. Share. exec { 'foo': command => "/bin/bash -c 'source /etc/profile;. So in. 7. 1 on many Windows machines. Glossary. 12 behavior got changed to match the intention. The setuid/setgid/sticky digit is also a. They take a Boolean condition and an arbitrary block of Puppet code, evaluate the condition, and if it is false, execute. Exec ['get-chocolatey'] -> Package<| provider == 'chocolatey' |>. pp file. Our choice at the beginning of the project was to not start with it, for these reasons : It was important for the team to learn shell first, even if the lifetime of the scripts had to be short. bundle exec rake dir_server:run [config/dea. Adds a new exec provider for executing PowerShell commands. Problem with "if" is that it expects the file on the puppet server not on the client. 0. My notes on how to make it work for complex multi-exec configurations. the unless attribute provides a condition. See full list on puppet. 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. {"payload":{"allShortcutsEnabled":false,"fileTree":{"lib/puppet/type":{"items":[{"name":"file","path":"lib/puppet/type/file","contentType":"directory"},{"name. As a result, notifications are shown as a change on every Puppet run. d/ Prevents Puppet from considering. I am wondering whether it is possible to have Puppet only stop and disable a Windows service if it exists. Puppet Inc modules on the Puppet Forge are open projects, and community contributions are essential for keeping them great. Contribute to tarunmunjal/puppetlabs-powershell development by creating an account on GitHub. Sometimes a simple creates isn't enough to determine if an exec should run or not. DevOps. 3. Puppet seems to be behaving exactly as I would expect, with the only potentially surprising thing being that even the 'posix' provider runs the 'unless' and 'onlyif' commands via the shell. 0\powershell. It's one that can change your daily work flow for the better once you start using it, but like all open ended tools, it can take a little while to become familiar with. Default: Undefined. e. That command will always return 0 (true): it just tests whether the given string is nonempty. Step Zero: Enable SELinux! Enabling SELinux is done by including the site_selinux class somewhere in your Puppet configuration. Other built-in types. , for example, the Exec resource being. It logs all diagnostic messages during a Puppet run. Your fact could be something like this: #!/bin/bash if [ -f /my/file. In addition I need to run only if it detects an older version of the and is not on a certain server and then install the new version. exe /C: exec { 'configure_timezone': command => "tzutil. The service will detect it is not running and start itself if required. So I assume when the puppet agent runs on my node I should NOT see pkill -SIGQUIT mysqld; sleep 5; systemctl restart mysqld execute. 1 run Exec only if another Exec ran. The commands in an Exec resource either have to be fully qualified (i. E. 1. Install Puppet Agent on bulk windows server. First, change the require arrow to a notify arrow, from -> to ~>. Visit Stack ExchangeYes, you'd put a script into your modules path under a facts. Adds a new exec provider for executing PowerShell commands. If Puppet is managing the user that an exec should run as. "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 ). The command parameter is the PowerShell code you want to run on your node. 2 or later for the pip3 provider, what is an alternative approach to installing Python packages by hand via the 'pip3' command? If I use the 'exec' approach, how do I control the package from being reinstalled all the time? (i. On Windows, most exit codes should be integers between 0 and 2147483647. puppet-modules; puppet-motd; puppet-ntp; puppet-perl; puppet-php; puppet-ssh; puppet-timezone; python-cloudlb; rackspace-monitoring-agent-plugins;. This module adds a powershell and pwsh 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. Conditional statement examples. Here is my code, don't worry about variable which is already set in original code. Conversations. The onlyif parameter is defined as. An example in Puppet 2. 1. 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. Like if statements, case statements choose one of several blocks of arbitrary Puppet code to execute. 2 Handling names with spaces. Right now, I have the bit below for certain nodes:open-vm-tools. exe -ExecutionPolicy ByPass -command "here any command on powershell ""} On Thursday, October 9, 2014 4:22:14 PM UTC-3, Paul Ponzeka. 0. Rename("new-guest")', unless => 'if (Get-WmiObject. Without one of these conditions, the exec will run on every run of the puppet file which is generally undesirable. exec { ‘SETHELLO’: command => ‘Add-Content -Path c:\test. user. 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. So then intention and documentation has always been the same since 4. 6. Based on that documentation, a when statement was added: - name: add vhost sensu command: rabbitmqctl add_vhost /sensu when: rabbitmqctl list_vhosts | grep sensu. Description. The script remaps several legacy user id's that conflict with local system users. 1. = (assignment) Expand. Depending on the complexity of the script, and if you want to run it with tools other than Puppet, I'd generally create it as a file-on-disk with a file type, then have an exec run the scripts. This can be used with bash on Linux, but with the PowerShell provider, it can run PowerShell on Windows and Linux nodes as well. So if you put an exec without conditions, it will execute the command on every run. As far as I know, the basic file type in Puppet only handles discretionary permissions that only allow for one group and one owner. 1. Puppet File resource runs despite Exec unless. Classes are named blocks of Puppet code that are stored in modules and applied later when they are invoked by name. Connect and share knowledge within a single location that is structured and easy to search. 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. Puppet: exec onlyif value is not equal. Case statement. Please qualify the command or specify a path. Puppet’s behavior when declaring or assigning a class with both styles is undefined, and will sometimes work and sometimes cause compilation failures. The issue isn't that the package doesn't install, but rather that apt automatically starts the. password is not getting changed to the default password and also. Puppet exec unless doesn't appear to work how I expect. d/x exists then /bin/true is run (successfully). cmd', provider => windows, subscribe => File ['folder_a'], logoutput => true, refreshonly => true, # Add this line. 1 Answer. How would the watchdog service know the Puppet exec failed? I don't want to remove the dir or run the exec if the directory does exist and the first exec was completed successfully. Puppet check if a nagios resource exists. exe"", path. The Win32 APIs define exit. Like if statements, case statements choose one of several blocks of arbitrary Puppet code to execute. The simplest solution is to use the shell provisioner to install Puppet modules via module install after the Puppet installation (unless you are using a Vagrant box with Puppet baked in,. Puppet File resource runs despite Exec unless. ##Development. refreshonly => true on an Exec resource requests that its command be run only in the event that the resource is refreshed. #####unless Runs the exec, unless the command returns 0. Secondly I would like to use booleans from a bash script running diff <() <(). Discover. Puppet does not execute statements in linear order (as is the code written) unless you define some constraints. rb in the Puppet source code. Background: I am upgrading our lxc puppet module to support the emerging unprivileged LXC technology. Expand. The 'refreshonly' parameter, on the other hand, makes application of the Exec conditional on (and subsequent to) one or more other resources changing, sort of like an 'on update' trigger in a database. You can use the unless parameter to only execute the statement in certain states. So for your example, it would probably be better to extend the exec to add an unless or onlyif parameter, so the command only runs if the database doesn't already exist. at deployment time, but figured it would be best to have Puppet manage it. puppet exec command issue. This says "get-chocolatey" should happen before any package resource with a Chocolatey provider. (capital X) permission when using recursion so files can retain the execute permission if they have them, but also allow you to traverse the directory as that requires the execute. I'm experiencing a very strange behavior with Puppet's Exec type. This tells Puppet to run aspnet_regiis. I am trying to use code like this: exec { 'example':. 1. rb instead of including them in the individual test files. Puppet: how to remove a directory and everything in it. notify. I am currently learning puppet, and I am attempting to have an exec that will notify another exec but only if the first exec is succsfull. The onlyif parameter is defined as. Puppet strange behaviour of execs. This example includes an elsif condition, and gives a warning if you try to include the ntp class on a virtual machine or on machine running macOS: 2 Answers Sorted by: 6 test work for me at /usr/bin, so adding it to path could solve error. The risk of course is that Puppet runs more than once in that hour, e. To use the BoltSpec library functions, include them in either the spec_helper. So the "cwd" now impacts the path of the "onlyif". 5. You can read more about it here. refreshonly => true on an Exec resource requests that its command be run only in the event that the resource is refreshed. The Forge is an online community of Puppet modules submitted by Puppet and community members. Sep 13, 2012 at 15:51. exe create MyService start= auto binPath= "C:path oyour. 1. 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. 5. properties. 3. This will not work because the Package resource type does not have an 'unless' parameter -- that's a feature specific to Exec resources. Please qualify the command or specify a path. So it will likely work better if the command you are trying to pass will actually execute outside of Puppet. If invoked by a normal user, it checks against the list of unprivileged containers stored for this particular user. An exec resource, which starts a powershell script, which starts a PowerShell process, which starts a CMD process, which runs a batch file (with an invalid path), which runs another batch file, which processes some kind of response file. The one thing the exec doesn't need to do is put the service in a started state. 1. You can set different levels of permissions for different users or groups, allowing them to read, change, or even delete. supported. Running Powershell command directly using Puppet exec resource. exe /C tzutil. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. My concept is Execute the script if the output from az --help give nothing (which mean there's no Azure install)Puppet exec unless doesn't appear to work how I expect. wow! My recommendation is: throw it away and start over. command => '/path/to/script. First I would like to use booleans as defined in Hiera [ auto lookup function ]. This means a resource with noop => false will be changed if necessary, even when. Improve this answer. The command of an exec resource, unless the executable requires backslashes, e. Modules that are supported by Puppet, Inc. 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. . 2. However, this manifest will exec the command every time the puppet client checks in with the puppet master. This page is about the legacy API, which uses the Puppet::Parser::Functions namespace. I am struggling with how to pass a puppet variable through to powershell. If a manifest has no syntax errors, the tool outputs nothing. I think this is due to how the PowerShell module calls PowerShell - it passes -ExecutionPolicy Bypass as part of the powershell. I can fix this manually. Exec type's onlyif and unless in --noop documented. Adds a new exec provider for executing PowerShell commands. You need to put the rabbitmqctl list_vhosts | grep sensu in a separate task and register the result to use it in the when clause. Let's also assume that you're puppet module knows when do delete these files. Puppet File resource runs despite Exec unless. Puppet have a defined resource fail if a variable is set to undef. In this blog post, we'll make it simple with definitions and examples to explain the basics of platform engineering vs. And after that, run puppet agent with pluginsync enabled, and you can use custom type like this:. Larger exit codes on Windows can behave inconsistently across different tools. This is where refreshonly backfires rather terribly. e. See provider/exec. 0 Output on one command cause next one to fails. I will show how these work in the example below. 0 to 5. The problem is that the exec command is running before the group command. puppet exec returned 1 instead of [0] 1. The logoutput parameter just logs the output to the. There are a few important parameters to use when writing an exec resource with PowerShell. Puppet - Not able to find a declared class. It sounds like this is exactly what you need: exec { 'test_cmd': path => $::path, command => 'cmd. group. One way is to use custom fact but that gets a bit too complicated as it requires ruby knowledge and custom facts execute on each and every server. 1. November 8, 2023. yml] &. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. 2. . 4. Juan. I want to check, if a given string is inside an array and if it isn't, I want to execute the code inside. Conditional statements allow you to write Puppet code that will return different values or execute different blocks of code depending on conditions you specify. 0. 1. To run an exec task, use the task command, specifying the command to be executed. exe startup arguments, so local scope will always return Bypass, thus causing it to fail on the unless every time. The setuid/setgid/sticky digit is also a. 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. Ben is the Community and DevRel lead at Puppet, where he's been scared by production Puppet code for the last decade. Puppet can run binary files (such as exe, com, or bat), and can log the child process output and exit status. powershell conditional IsNullorEmpty not working as planned. Learn more about TeamsPuppet provides a built-in exec type that is capable of executing commands. 04; In Puppet, the combined configuration to be applied to a host is called a catalog, and the process of applying it is called a run. Hot Network Questions tcpdump -vvv is not verbose enough In which situations or societies do people not take turns to. Aside from being good. Alternative 1: create a bash script: ugly Exec resources and temp files. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. 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. config/autostart ]' is not qualified and no path was specified. However, the problem with the exec is that it is not idempotent. 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. 17 also improves the way typed class parameters are checked. “Unless” statements Syntax Behavior Conditions Case Statements Syntax Behavior Selectors Location Syntax Behavior Expand Conditional statements let your Puppet. 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. 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. John. As long as the file / directory specified in creates exists puppet won't run the exec. I'm not sure what the problem is, and I need more information. I have Puppet master 3. txt ]; then echo "my_fileexists=yes" else echo "my_filexists=no" fi. Puppet provides a built-in exec type that is capable of executing commands. 2. fail when a file exist in puppet. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. So on a fresh installation, a refresh event will be received but the resource will. Any recommendations on running. 1. Conditional statements allow you to write Puppet code that will return different values or execute different blocks of code depending on conditions you specify. 1. Is this the best way to do this?. Check your syntax by entering puppet parser validate c:\myfiles\file. gz packages are copied to the remote systems during every puppet run, while these files where removed after installation and software has been. These are command. The problem is the line when: rabbitmqctl list_vhosts | grep sensu. 2 Answers Sorted by: 6 test work for me at /usr/bin, so adding it to path could solve error. Include-like behaviorAll groups and messages. 1. This is a textbook case where you should write the test first, and the code after. ##Development. Puppet provides a built-in exec type that is capable of executing commands. That is always handled by the service resource. This means that if a file is currently a directory,. Puppet strange behaviour of execs. Since I don't have Puppet 4. # Setting Powershell Execution Policy to unrestricted exec { 'Set PowerShell execution policy unrestricted': command => 'Set-ExecutionPolicy Unrestricted', unless. I do not account that a bug, however, as (1) it's probably more useful behavior, and (2) it's consistent with the example in the docs. I have two similar Exec[] in a class, both with the onlyif parameter, as you can see below. There's a generalizable form of this dependency that might be helpful in reducing the repetition of the require statement. Let's assume that you can write a find command to list all of your files that you want deleted. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. Extending the timeout is an option but ridiculous since default is 300 seconds and none of these commands should take 5 minutes or more to return. Adds a new exec provider for executing PowerShell commands. exec { ‘SETHELLO’: command => ‘Add-Content -Path c: est. As far as I know, the basic file type in Puppet only handles discretionary permissions that only allow for one group and one owner. Manage local groups . Puppet Exec resource to apply only when a File changes. If invoked by a. You can validate that a manifest's syntax is correct by using the command puppet parser validate. Unless you are sharing with the world, you don’t need most. Puppeteer Script Works Local But Not On EC2 AWS. Puppet for Windows and Powershell Recipes. Running Powershell command directly using Puppet exec resource. Discover. 2. Puppet File resource runs despite Exec unless. Tags. 0. Yes, you'd put a script into your modules path under a facts. e. 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. Similarly, we can use unless, unless execute the command all the time, except the command under unless exits successfully. exe only when the aspnet_banking_app is created or changed. Your solution sounds like a work-around and it is therefore totally ok to implement a work-around using Exec. if reason variable null or empty, halt with an explanatory message; Bash's -z conditional operator can catch both null and empty cases, including when the value is null on account of the variable not being set at all, but remember that it is evaluated after the command is fully expanded. In your case, it sounds like you want the exec to run only when your file changes. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. It would be better to explicitly "exit 0" whenever you do not "exit 1". '". Note: PowerShell variables (such as $_) must be escaped in Puppet manifests either using backslashes or single quotes. you can check this quickly with the telnet command. exe -executionpolicy remotesigned -file C:\test. But, only deploy the scripts when certain file exists, one that would only exist on the first puppet run after build. Is there a way to tell puppet to only execute command if one of the files does not exist? 1. Puppet 7. They take a control expression and a list of cases and code blocks, and. All groups and messagesConditional execution of puppet defined resource type through exec. For example, the value String represents the data type of strings. 0. You can read more about it here. exec command unless directory exists in puppet. If it always returns a false (non-zero) exit code then the two. require means that the the resource passed to require must be applied before the calling resource. sh', onlyif => systemctl service_trendmicro, # which system should return 0 or 1 for pass. problem, then do check at least these things: 1) that your 'unless' command is exiting with the expected return. After changing topology strategy, cassandra should rebuild keyspace - this is where puppet comes. Share. Long answer The scheme you have in mind is not compatible with Puppet's master/agent paradigm. Puppet: Conditional exec using unless-option. 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. exe /c C:/test. It would be better to explicitly "exit 0" whenever you do not "exit 1". 6. – Note that Puppet issue 8083 should not affect you in the case that the Application-Server feature is installed, but it is unclear (to a non-initiate in Powershell) what the exit code of that 'unless' command will be in the alternative case. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. Writing some classes for cassandra, one of them is to align clustering settings using puppet exec etc. Here is the service file springboot. Backslashes MUST be used in:. silent way to import registry file via puppet module. } Puppet: Conditional exec using unless-option. However, when I clean my /tmp and apply the manifest again, it fails because the first exec doesn't executed. Detecting if windows service is already installed using puppet exec. The Puppet exec will not run unless the "unless" command exits with status 0. The command can be a simple string, which is executed as-is, or an Array, which is treated as a set of command arguments to pass through. Iteration functions. . Larger exit codes on Windows behave inconsistently across different tools. It is. This style guide promotes consistent formatting in the Puppet language, giving you a common pattern, design, and style to follow when developing modules. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platformsExpand. If. 0. e. In a particular project, I have a lot of Puppet exec resources with pipes. Since Puppet 2. log. unless: A shell command that is run as a test to determine if the command should not run. 0. ), and can log the child process output and exit status. 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. Alternatively, if that is valid, call the prior script through the latter's onlyif or unless parameter, instead of as its own exec resource. TJL. 0 on RHEL 6 and am doing package management via the exec resource. if you want execute a powershell file:. By setting the hiera value selinux::mode: 'enforcing', that will ensure SELinux is enabled (it will default to targeted mode on CentOS).