An 'unless' statement could be used to avoid declaring the package at all in the event that a custom fact. exe create MyService start= auto binPath= "C:path oyour. This is where refreshonly backfires rather terribly. Puppet can run binary files (such as exe, com, or bat), and can log the child process output and exit status. Iteration functions. This will not work because the Package resource type does not have an 'unless' parameter -- that's a feature specific to Exec resources. Running Powershell in Puppet. How to pass multiple values in exec command resource in puppet? 0. 5. 6. Puppet: Conditional exec using unless-option. This release documents the noop behavior of the onlyif and unless parameters of the exec resource. telnet < puppetmaster ip address dns name> 8140. I don't think there is an exception handling in a programmatic way you would like in Puppet. This module adds a powershell provider to the exec type, which enables exec parameters, listed below. It will also restart itself if exec['Do Stuf'] runs because of the way the relationship is defined. The issue isn't that the package doesn't install, but rather that apt automatically starts the. The difference between platform engineering and DevOps is pretty nuanced. cmd', provider => windows, subscribe => File ['folder_a'], logoutput => true, refreshonly => true, # Add this line. 1. 0. I am poorly familiar with the puppet language but would guess something like this to execute the jar file: exec { 'jar_execution': command => 'cmd. exe /C: exec { 'configure_timezone': command => "tzutil. In particular, if you ensure the file absent then it is probably incorrect for the Exec to be triggered when the file is brouught into that state. gz packages are copied to the remote systems during every puppet run, while these files where removed after installation and software has been. Here is the service file springboot. The db has already been created in the vm, and if it's already been cloned, the count returned from the query gives me something other than a ' 0 ', and the grep because. Code so far (which is not working) is: Hiera snippet:By default, Puppet agent runs as the Administrator account, which has this privilege. txt –Value “Hello”’, logoutput => true, provider => powershell, } } The three parameters I use in this manifest are command, logoutput and provider. Adds a new exec provider for executing PowerShell commands. When evaluated, these tagged expressions can modify text in the template. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. 6. The code that creates the container is executed unless the following test if the container exists succeeds: lxc-info -n $ {lxcname} >/dev/null. However, if all you want is to. ##Development. There's a generalizable form of this dependency that might be helpful in reducing the repetition of the require statement. Try adding -Scope LocalMachine to your unless statement. There is a module in puppet already installed by default called:puppetlabs-stdlib and within this module a defined type called file_line which does the trick :) Here is my case scenario under the. 3. How to set Powershell ExecutionPolicy via Puppet exec command with unless property on Windows?. com I am trying to create Puppet exec that would only execute if certain Windows registry value does not exist. Puppet lookup uses a hierarchy of data sources, and a given key might have values in multiple sources. . Puppet exec - fails to execute command as user. 1 on many Windows machines. 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. 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. Puppet strange behaviour of execs. Iteration features are implemented as functions that accept blocks of code ( lambdas ). Your fact could be something like this: #!/bin/bash if [ -f /my/file. group. The Puppet “exec” resource allows users to run commands and scripts on nodes. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. I will show how these work in the example below. -- Peter Bukowinski. exec command unless directory exists in puppet. Detecting if windows service is already installed using puppet exec. 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. "Unless" statements work like reversed if statements. In your case, it sounds like you want the exec to run only when your file changes. This example specifies defaults for the exec resource type attributes path , environment , logoutput , and timeout . 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. 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. Is there a way to tell puppet to only execute command if one of the files does not exist? 1. Platform Engineering. 0. e. The onlyif and unless. Re-writing scripts into manifests is time-consModules that are compatible with Puppet Development Kit (PDK) validation and testing tools. exe startup arguments, so local scope will always return Bypass, thus causing it to fail on the unless every time. ps1 script. The synchronization of an out-of-sync Exec resource involves only running the command given by its 'command' property, so that's the only part that --noop prevents. Modules that are supported by Puppet, Inc. h ), and the sub-processes it spawns. This release documents the noop behavior of the onlyif and unless parameters of the exec resource. Puppet can take an existing PowerShell Module and build a Puppet module out of it. 0powershell. It sounds like this is exactly what you need: exec { 'test_cmd': path => $::path, command => 'cmd. Here is my code (Puppet): exec { 'Download mediawiki to temp': cwd. config/autostart ]' is not qualified and no path was specified. 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. d/ Prevents Puppet from considering. if exec joins the domain, it should have an unless condition that tests whether or not the machine is part of the domain. d directory, then puppet agents pull it down and execute it on every run and provide the fact. Sequence of Execs in Puppet. Problem with "if" is that it expects the file on the puppet server not on the client. puppet and I'm running into some issues. 5. require means that the the resource passed to require must be applied before the calling resource. After changing topology strategy, cassandra should rebuild keyspace - this is where puppet comes. String comparison using in doesn't work with unless. /usr/bin/test instead of test) or the path attribute of that Exec resource has to be set. 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. 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. How do I make make puppet module break if condition not met. Expand. Resource default for the exec type A resource default statement set default attribute values for a given resource type. Puppet: How to execute a Exec resource if another Exec resource failed. The exec has refreshonly => true , which only allows Puppet to run the command when some other resource is changed. I want to check if the file exists in the client. how do I tell 'puppet apply' that the package is already installed)You are misunderstanding the 'require' line and the nature of relationships in Puppet, and also how Puppet uses the return code of the command executed in an Exec. Like if statements, case statements choose one of several blocks of arbitrary Puppet code to execute. = (assignment) Expand. Puppet strange behaviour of execs. Is there a way to tell puppet to only execute command if one of the files does not exist? 0. We need to set setfacl -R -m u:foreman:rwx /etc/dhcp /var/lib/dhcpd via our puppet installer instead of modifying standard UNIX owner and permissions. So if you put an exec without conditions, it will execute the command on every run. 0. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple. You can use expressions almost anywhere a value is required. Puppet: Exec from class when Exec from another class is successful. Need to copy a file via puppet only if a Windows MSI package is not installed. Adding a / to the end of a file name isn't enough to tell puppet to. . Classes are named blocks of Puppet code that are stored in modules and applied later when they are invoked by name. Puppet Exec tag onlyif troubles. 0. Their exit codes convey whether to proceed with running the main command. /usr/bin/test instead of test) or the path attribute of that Exec resource has to be set. I will show how these work in the example below. exec { 'chkconfig': command => "/sbin/chkconfig --add $ {shutdown_script}", require => File ['shutdown-script'] } This is actually your root cause here. I am using vagrant with puppet to set up virtual machines for development environments. If this parameter is set to true all necessary changes are made to make a server compliant to the security baseline rules. How can I tell Puppet to stop a service on shutdown without keeping it running? 0. } @choover Unfortunately that won't work. Backslashes MUST be used in:. 2. exe /s "$ {timezone}"", unless => "cmd. Classes generally configure large or medium-sized chunks of functionality, such as all of. If the query specified in the unless parameter returns one or. Modules. Puppet PowerShell Execution. That is, unless you can use purging with them. Puppet Labs modules on the Puppet Forge are open projects, and community contributions are essential for keeping them great. Adds a new exec provider for executing PowerShell commands. Conditional statements allow you to write Puppet code that will return different values or execute different blocks of code depending on conditions you specify. 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. 1 Answer. Doing some research, and looking at blog posts, I know that the structure of my code should be something along the lines of (I know it's not correct): exec {'function_name': # the script that downloads/installs/activates etc. Puppet reboot in stages. Puppet File resource runs despite Exec unless. g. – tom. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. 3 puppet exec returned 1 instead of [0] 0 Puppet strange behaviour of execs. Puppet has two main ways to declare classes: include-like and resource-like. Puppet File resource runs despite Exec unless. Teams. 4. Ben is the Community and DevRel lead at Puppet, where he's been scared by production Puppet code for the last decade. ), and can log the child process output and exit status. We explore practical examples and best practices for handling procedural requirements when we look at the exec resource type in Chapter 5. Long answer The scheme you have in mind is not compatible with Puppet's master/agent paradigm. e. The whole idea of adding this step is to check and execute the command- makeswap only if the swap is not in place. onlyif and unless in --noop documented. exe startup arguments, so local scope will always return Bypass, thus causing it to fail on the unless every time. 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. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. They take a control expression and a list of cases and code. Puppet modules to install and manage Oracle databases, Oracle Weblogic and Fusion Middleware, IBM MQ, IBM Integration Bus and other enterprise-grade software. I have two similar Exec[] in a class, both with the onlyif parameter, as you can see below. You can also set variables within the manifest, which can change the. Since I don't have Puppet 4. All groups and messagesCreate A Puppet Configuration File. 0. Unless you tell your exec not to run for some reason or another, it will always run. I wouldn't use puppet for a yum update, and my execs always have creates, onlyif, refreshonly or unless to ensure they only run when needed. Share Puppet can execute binaries (exe, com, bat, etc. 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. The documentation for Exec's onlyif tag says this: onlyif The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. The ordering arrow is a hyphen and a greater-than sign ( -> ). d directory, then puppet agents pull it down and execute it on every run and provide the fact. When I apply the manifest for the first time, it works correctly. exe -executionpolicy remotesigned -file C:\test. The logic looks a little confusing but basically, the way I understand unless is that if the command returns a 0, then the whole exec wont be 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. Executables, zips and or tar. Puppet exec unless doesn't appear to work how I expect. I have a script that really only needs to be run one time on a server, i. Now that Puppet is installed and ready to run, it’s time to create a Puppet configuration. every time Puppet's agent apply its manifests), even when the onlyif condition is false, unlike Exec['install-newrelic-apt-key']. 2. I have a script that really only needs to be run one time on a server, i. Explanation Sometimes a simple creates isn't enough to determine if an exec should run or not. Without one of these conditions, the exec will run on every run of the puppet file which is generally undesirable. JULY . This says "get-chocolatey" should happen before any package resource with a Chocolatey provider. However, this manifest will exec the command every time the puppet client checks in with the puppet master. Sort by Year. Let’s take a look there: ls -la /etc/puppet. Puppet File resource runs despite Exec unless. Please qualify the command or specify a path. 0. Provides integrated testing tools and a command line interface to help you. I want to check, if a given string is inside an array and if it isn't, I want to execute the code inside. ” There is also a set of values whose data type is “data type. Over the years of using puppet I've noticed that people often come up with the same kind of. This statement will execute the sql statement drop table application_users on the database named db in the instance named instance. Puppet avoids destroying directories unless the force attribute is set to true. You might want to use the refreshonly parameter on your exec. Let's also assume that you're puppet module knows when do delete these files. Validate your manifest with puppet parser validate. We will focus on the language terminology, syntax and. This means a resource with noop => false will be changed if necessary, even when. 9]: FAILED! => {"failed": true, "msg": "The conditional check 'rabbitmqctl. I am new to Puppet, and I am trying to install a file if a package is installed. d/pgsql. 1. Modules that are supported by Puppet, Inc. do, line 50) cannot accept an array of options. 0 on RHEL 6 and am doing package management via the exec resource. 1 Answer. 0. --Puppet::Type. command => '/path/to/script. How to set Powershell ExecutionPolicy via Puppet exec command with unless property on Windows? 1. I read the message you ask about as saying that the Exec was not refreshed, so the command will not be run. 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. The onlyif parameter is defined as. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. The --debug flag enables verbose logging. If. . A second option would be to use the schedule metaparameter: schedule { 'everyday': period => daily, range => '1:00 - 1:59', } exec { 'do your thing': schedule => 'everyday', } That assumes that Puppet really will run only once per hour. supported Adds a new exec provider for executing PowerShell commands. exe only when the aspnet_banking_app is created or changed. I can fix this manually. sh', onlyif => systemctl service_trendmicro, # which system should return. 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. And as for the title of this question which I originally overlooked. e. On Windows, most exit codes should be integers between 0 and 2147483647. exec { ‘SETHELLO’: command => ‘Add-Content -Path c: est. the unless attribute provides a condition. Puppet Resources are the building blocks that puppet uses to model system configurations. if you want execute a powershell file:. – 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. g. 3. 17 also improves the way typed class parameters are checked. TJL. exe invocation as the command. exe /g | findstr /C:"$ {timezone}"", } Well, I ended up not needing to do this as I found a config file I could just manage as a template. (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. 2 install on Ubuntu 18. e. 0. The problem also happens to my start command which also use bundle exec: after puppet finished dea_ng::install and run dea_ng::service, the command below did not work unless I execute it manually on the client machine. How to pass multiple values in exec command resource in puppet? Hot Network Questions How to extract coefficients and powers from expressions with non integer powers?This is such a common requirement that puppet has a single property that "does the right thing". 0. As an example I have a powershell script that opens notepad:. How do you configure a Puppet exec to execute another command as part of onlyif. 0. The exit status when you run it directly and the exit status you expect it to return are irrelevant. Like, from scratch. domain. Hot Network QuestionsOn this site you can find information about supported enterprise-grade puppet modules. It logs all diagnostic messages during a Puppet run. You can use the unless parameter to only execute the statement in certain states. Hot Network Questions To find rate of change of area of triangle when rate of change and value of length of base and height are 3cm/min, 5cm/min and 8cm,10cm respectively. 168. Puppet - Check if package is installed, but do not require it. Right now I have: exec { 'first command': command => "some command" path => '/usr/bin', notify => Exec ["second command"], } exec {. If /etc/init. Although that can work, I urge you to consider instead packaging up your service (as an RPM, DEB, or whatever is appropriate for your system), putting it in a suitable repository, and managing its installation via a Package resource. No find command is run; the test just passes by examination of the argument. If I try creating it as my process user, I get permission denied. exe utility (note the space after and lack thereof before the = character): exec { "install_service" : command => "$ {Sys32}sc. Detecting if windows service is already installed using puppet exec. Puppet exec unless doesn't appear to work how I expect. fail when a file exist in puppet. Thus, a package can not both be installed at a particular version and marked held using dpkg. I am trying to use code like this: exec { 'example':. Puppet Exec with no command attribute. 1. silent way to import registry file via puppet module. exe -NoProfile -NoLogo . This allows you to do more complex task operations, such as. 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. I am wondering whether it is possible to have Puppet only stop and disable a Windows service if it exists. Try again and this time show the failure. user. exe invocation: exec { 'test': command => 'C:\Windows\System32\WindowsPowerShell\v1. exe -ExecutionPolicy ByPass -command "here any command on powershell ""} On Thursday, October 9, 2014 4:22:14 PM UTC-3, Paul Ponzeka. Puppet Inc modules on the Puppet Forge are open projects, and community contributions are essential for keeping them great. 4. 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 in Puppet without the module. Node examples. Puppet is an open-source configuration management tool from Puppet Labs. Puppet can run binary files (such as exe, com, or bat), and can log the child process output and exit status. This runs the first-exec, and unless /var/exists it runs the second-exec. Any command in an exec resource must be able to run multiple times without causing harm — that is, it must be idempotent. Writing some classes for cassandra, one of them is to align clustering settings using puppet exec etc. Create this file only if it does not exist, or Start this windows service unless it’s already running. Check your syntax by entering puppet parser validate c:\myfiles\file. e. 2 Answers Sorted by: 6 test work for me at /usr/bin, so adding it to path could solve error. I am creating a group named jboss in puppet and then using exec to run a sed command to make some changes in /etc/group file afterwards. 0. Default: Undefined. 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. 2 but are only using architecture-appropriate. The command specified causes the exec to be triggered unless the command specified returns a success (zero) exit status. Background: I am upgrading our lxc puppet module to support the emerging unprivileged LXC technology. Yet when I run puppet agent -td I see that the puppet agent IS executing pkill -SIGQUIT mysqld; sleep 5; systemctl restart mysqld. 26th - 28th Surrey Sparks Stages - Puppet-making workshops Surrey BC. The CentOS/Puppet installation process should already have created a directory called /etc/puppet (If it hasn’t, create it with mkdir /etc/puppet ). puppet-modules; puppet-motd; puppet-ntp; puppet-perl; puppet-php; puppet-ssh; puppet-timezone; python-cloudlb; rackspace-monitoring-agent-plugins;. When something isn't builtin to file, I generally just to turn to an puppet exec declaration. command => '/path/to/script. With PE on the command line, run puppet task run exec command=<COMMAND>. By default, Puppet returns the first value it finds, but it can also continue searching and merge all the values together. There are three main ways for an exec to be idempotent:Conversations. Running Powershell command directly using Puppet exec resource. Your fact could be something like this: #!/bin/bash if [ -f /my/file. 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. It will execute the block of code associated with the first matching case, and ignore the remainder of the statement. Puppet File resource runs despite Exec unless. Puppet: Conditional exec using unless-option. where read = 4, write = 2, and execute/search = 1. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platformsTechnically, in fact, you cannot do so: Puppet will interpolate the variable's value into the Exec resource's catalog representation, so there is no variable left by the time the catalog is applied, only a literal. Overtime dhcp package is upgraded, RPM returns the original permission and owner which leads to DHCP issues (foreman-proxy is unable to modify files). 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. My approach is to build an array (or list) of only the titles in hiera and then iterate over them in a PowerShell 'only if' or 'unless'. Related questions. It am trying to add 'replica' user to my postgres server though puppet so i can use it in my master-salve cluster. Welcome to the Puppet CookBook. 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. The problem is that the exec command is running before the group command. Sometimes I want to run a command one time on all servers, e. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. txt –Value “Hello”’, logoutput => true, provider => powershell, } } The three parameters I use in this manifest are command, logoutput and provider. 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. 1. I read the message you ask about as saying that the Exec was not refreshed, so the command will not be run. In the modified question, the resources involved have such a relationship already. Share. Following code updating file /etc/sysctl. I am trying to create Puppet exec that would only execute if certain Windows registry value does not exist. Ensure directory tree exists. As a suggestion:I am using Puppet installed with the powershell module. exec { 'Make sure frob is installed': command => 'apt-get install -y frob', unless => 'frob --version', } Ansible's command module has a "creates" option that looks for a file, but I don't. The third example is a (semi-)common mistake made by people coming from certain other tools. Publish a module; Topics. Windows shared folder is a folder that has been configured to be accessed by multiple users over a network. require means that the the resource passed to require must be applied before the calling resource. Because the Exec requires the File to (conditionally) be applied first, its own unless parameter would not be evaluated in time to affect that, even if there were a way it could do. {"payload":{"allShortcutsEnabled":false,"fileTree":{"lib/puppet/type":{"items":[{"name":"file","path":"lib/puppet/type/file","contentType":"directory"},{"name. With Bolt on the command line, run bolt task run exec command=<COMMAND>. The setuid/setgid/sticky digit is also a. As per the exec documentation, the onlyif/unless exec command result will override the receipt of refresh. If Puppet is managing the user that an exec should run as. Puppet does not execute statements in linear order (as is the code written) unless you define some constraints. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. 4. 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. ##Development. A statement to determine if the wls_exec must execute. Adds a new exec provider for executing PowerShell commands. Understand the syntax and function of the if, unless, case, and selector statements. To run an exec task, use the task command, specifying the command to be executed. Tasks use Scripts to execute them on remote machines. exe and specifying a file path in the command line, be sure to use backslashes. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. This tells Puppet to run aspnet_regiis. 2) that no other resource is set to 'notify' Exec ['command_two']. Modules that are supported by Puppet, Inc. bundle exec rake dir_server:run [config/dea. Usage. I am struggling with how to pass a puppet variable through to powershell. The first one downloads ZIP file with binary (unless the binary has already been installed) and saves it to /tmp. 1. Autorequires: If Puppet is managing an exec’s cwd or the executable file used in an exec’s command, the exec resource will autorequire those files. The risk of course is that Puppet runs more than once in that hour, e. How to set environment variables in Ubuntu OS using Puppet. 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. If exec command was successful and facter returns true then only it should execute, but following manifest executing individually without checking whether that exec. For example, to view the free disk space of a host, run: With. As best I can tell by reading the source code the "holdable" feature is fundamentally flawed. However, I strongly recommend that you do not use any kind of non-conditional exec with puppet. This is a textbook case where you should write the test first, and the code after. 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.