exec. Puppet supports a few different ways of implementing conditional logic: ; if statements, ; unless statements, ; case statements, and ; selectors. 0. So then intention and documentation has always been the same since 4. The Puppet “exec” resource allows users to run commands and scripts on nodes. So I assume when the puppet agent runs on my node I should NOT see pkill -SIGQUIT mysqld; sleep 5; systemctl restart mysqld execute. The file will be generated in the directory you're currently in, unless you specify otherwise. . 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. 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. Puppet PowerShell Execution. asked Apr 1, 2022 at 20:47. Puppet running exec before other commands. Puppet Exec resource to apply only when a File changes. 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. x86_64]/unless) Check "/bin/rpm -q open-vm-tools" exceeded timeout All these commands can be run locally to the host and return fairly quickly, but when puppet executes them they time out. The ensure (see ensurable. 1', } Puppet supports if and unless statements, case statements, and selectors. notify. The Win32 APIs define exit. 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. Hot Network QuestionsOn this site you can find information about supported enterprise-grade puppet modules. Since Puppet 2. 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. This example specifies defaults for the exec resource type attributes path , environment , logoutput , and timeout . I tested using an Exec with an unless parameter that emits the message, but Puppet does not seem to print the output of the unless command. The notifying arrow is a tilde and a greater-than sign ( ~> ). To use sudo non-interactively, the invoking user needs a NOPASSWD: entry in sudoers %wheel ALL=(fred) NOPASSWD: /usr/bin/echo "hola dan" Then. Sometimes a simple creates isn't enough to determine if an exec should run or not. I will show how these work in the example below. 163k 8 82 159. Valid options: String. 2. Thanks!. Unless you are sharing with the world, you don’t need most. Puppet : How to use "defined" type as requirement inside exec. When I apply the manifest for the first time, it works correctly. Puppet provides a built-in exec type that is capable of executing commands. I am using vagrant with puppet to set up virtual machines for development environments. Puppet lookup uses a hierarchy of data sources, and a given key might have values in multiple sources. '". ” There is also a set of values whose data type is “data type. local service ntpd start How can I make Puppet run this command once on all servers? I want to Puppet's if statement allows you to change the manifest behavior based on the value of a variable or an expression. Selector statement. This release documents the noop behavior of the onlyif and unless parameters of the exec resource. Adds a new exec provider for executing PowerShell commands. #####unless Runs the exec, unless the command returns 0. This can be used with bash on Linux,. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. Learn more about TeamsIt's just not something you can do with vcsrepo unless you can override path (you can in exec). See full list on puppet. Since I don't have Puppet 4. 2. So, in order to avoid this I am adding the refreshonly parameter as follows. I've created a puppet script to install Azure client and in the last step before using yum install, I want to make sure that the package haven't installed before for prevent from duplicate install. These are command. All groups and messagesCreate A Puppet Configuration File. Modules that are supported by Puppet, Inc. This release documents the noop behavior of the onlyif and unless parameters of the exec resource. 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). Puppet: 'creates' does not create. How to set environment variables in Ubuntu OS using Puppet. As an example I have a powershell script that opens notepad:. 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. In the Puppet language, nearly everything is an expression, including. 2. Puppet File resource runs despite Exec unless. When evaluated, these tagged expressions can modify text in the template. The problem is that the exec command is running before the group command. How do I make a puppet class dependent on all of the resources it defines? 1. exec power shell script having corrective action every time. 00 GiB'and $::facts['processorcount'] >= 2 and Exec['port_connectivity'] condition was successful. Puppet File resource runs despite Exec unless. I think this is due to how the PowerShell module calls PowerShell - it passes -ExecutionPolicy Bypass as part of the powershell. Your best bet is to run the action as a script and set up the PATH inside the actual script. We will focus on the language terminology, syntax and. Install Puppet Agent on bulk windows server. Valid options: String. Only supported on Windows Server 2003 and above, and Windows 7 and above. Puppet strange behaviour of execs. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. Hot Network Questions Short video of insurance salesman summoning a demon who also is into insurance Sum of Rows of Vandermonde Matrix Mulliken Labels: How do I tell apart E, doubly degenerate, symmetry apart from T, triply degenerate, symmetry) for a molecular orbital?. Publish a module; Topics. 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. Puppet does not support a shell provider for Windows, so if you want to execute shell built-ins (such as echo ), you must provide a complete cmd. 1. exec { ‘SETHELLO’: command => ‘Add-Content -Path c: est. 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. Rename("new-guest")', unless => 'if (Get-WmiObject. 1. powershell conditional IsNullorEmpty not working as planned. I am just putting small snippet here to show you what its doing. Since I don't have Puppet 4. Puppet exec - fails to execute command as user. I read the message you ask about as saying that the Exec was not refreshed, so the command will not be run. bundle exec rake dir_server:run [config/dea. So in pseudocode: IF postfix is installed DO touch /tmp/wehavepostfix DONE. Puppet exec unless doesn't appear to work how I expect. Background: I am upgrading our lxc puppet module to support the emerging unprivileged LXC technology. Classes are named blocks of Puppet code that are stored in modules and applied later when they are invoked by name. If this parameter is set, then this exec will only run if the command has an exit code. For example, to view the free disk space of a host, run: With. As a result, the chown in the main command always is run, and that is reported. Let’s take a look there: ls -la /etc/puppet. 2) that no other resource is set to 'notify' Exec ['command_two']. Share. It applies the resource on the left before the resource on the right. supported Adds a new exec provider for executing PowerShell commands. Is there a way to tell puppet to only execute command if one of the files does not exist? 1. Adds a new exec provider for executing PowerShell commands. . If you are using Puppet 3. 26th - 28th Surrey Sparks Stages - Puppet-making workshops Surrey BC. However; I would like promote these into our production branch. Adds a new exec provider for executing PowerShell commands. Like, from scratch. The generic way for "manually" creating a service in Windows is to use the sc. However currently I am struggling to figure out how to do this. 1. It would be better to explicitly "exit 0" whenever you do not "exit 1". The Windows module pack is a group of modules available on the Forge curated to help you complete common Windows tasks. 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. Adding a / to the end of a file name isn't enough to tell puppet to. 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". d/pgsql. Here's an example: @user { 'foo': groups => ['somegroup'], membership => minimum, } Then realize that virtual user with then collection syntax: User <| title == foo |>. Create exec resources with metadata to ensure it is idempotent. 🔩 Tip: Unless your module also includes tests for manifest code, add the BoltSpec helpers and configure Puppet and Bolt in spec_helper. This means that if a file is currently a directory,. 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. Puppet Exec Resource. You might consider using an 'unless' or 'onlyif' parameter in there so that your resource is only evaluated when first setting up the replica set. What is Puppet? | How Puppet Works? | Puppet Tutorial For. escape. . Onlyif and unless are somewhat similar as they serve as conditional operators in Puppet which means the command runs based on the output of what is in these parameters. . 9]: FAILED! => {"failed": true, "msg": "The conditional check 'rabbitmqctl. Any command in an exec resource must be able to run multiple times without causing harm — that is, it must be idempotent. Puppet File resource runs despite Exec unless. jar file is actually an update for an application which is running as a service. On reboot, the directory doesn't exist, strangely enough. I have two similar Exec[] in a class, both with the onlyif parameter, as you can see below. They take a Boolean condition and an arbitrary block of Puppet code, evaluate the condition, and if it is false,. Exec ['get-chocolatey'] -> Package<| provider == 'chocolatey' |>. 168. I would like to simply set a few environment variables in the . The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. So if you put an exec without conditions, it will execute the command on every run. domain. exec { 'foobar': command => 'foo | bar', } However, there are occasions where foo fails. If this parameter is set to true all necessary changes are made to make a server compliant to the security baseline rules. If you declare users as virtual resources , you can then use 'realize' or the collection syntax ( User <|. puppet agent -td --evaltrace --profile > agent_debug. Sort by Year. Puppet Exec with no command attribute. This can have severe impacts to the machines, especially if security settings are defined in a wrong way. Puppet File resource runs despite Exec unless. cmd', provider => windows, subscribe => File ['folder_a'], logoutput => true, refreshonly => true, # Add this line. 2. The Win32 APIs. 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 command of an exec resource, unless the executable requires backslashes, e. Puppet is an open-source configuration management tool from Puppet Labs. If you can modify the Puppet manifest(s) you can simply add the following definition for setting a default path attribute for all Exec resources to /bin: Exec { path => "/bin" } err: Failed to apply catalog: Parameter unless failed on Exec[mkdir_autostart]: '[ -d /home/pi/. 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. 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 File resource runs despite Exec unless. However the in function seems to work with if only, when I use unless I get the following e. Creating a directory is another task that is handled by the powerful and flexible file type. Do you have reason to think that there's something wrong. Follow answered Jan 12, 2015 at 6:48. The issue is, while first two are correctly executed under "user", third command is executed in. Backslashes MUST be used in:. Create this file only if it does not exist, or Start this windows service unless it’s already running. 1. JULY . I am new to Puppet, and I am trying to install a file if a package is installed. 2 Handling names with spaces. , unless you really intend to resolve that path against the working directory. However, this manifest will exec the command every time the puppet client checks in with the puppet master. Modules that are compatible with Puppet Development Kit (PDK) validation and testing tools. rb instead of including them in the individual test files. 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. However, if all you want is to. exec { ‘SETHELLO’: command => ‘Add-Content -Path c:\test. Adds a new exec provider for executing PowerShell commands. if statement, with in expression. 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) it is unclear from your description whether the Exec's command is actually run (vs. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. Glossary. I don't think there is an exception handling in a programmatic way you would like in Puppet. If you remove the parameter it will also fail if the regular execution policy is set to Restricted. exe /c C:/test. Their exit codes convey whether to proceed with running the main command. Please qualify the command or specify a path. The 'unless' and/or 'ifonly' commands must run every time, though. 0. Puppet exec command runs in shell, but not via puppet. However, the problem with the exec is that it is not idempotent. In this blog post, we'll make it simple with definitions and examples to explain the basics of platform engineering vs. {"payload":{"allShortcutsEnabled":false,"fileTree":{"lib/puppet/type":{"items":[{"name":"file","path":"lib/puppet/type/file","contentType":"directory"},{"name. Puppet exec unless doesn't appear to work how I expect. 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. Menu Log In List your. 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. It would be better to explicitly "exit 0" whenever you do not "exit 1". exe -executionpolicy remotesigned -file C:\test. Examples An if statement evaluates the given condition and, if the condition resolves to true, executes the given code. Just. Mar 25, 2015 at 21:56 @Fr3edom21 if this answer is acceptable, please accept it as the answer. He just built and performed the lead puppet for a Toronto television pilot. It sounds like this is exactly what you need: exec { 'test_cmd': path => $::path, command => 'cmd. Modules that are compatible with Puppet Development Kit (PDK) validation and testing tools. Bolt docs. Puppet can take an existing PowerShell Module and build a Puppet module out of it. The Puppet “exec” resource allows users to run commands and scripts on nodes. Apart from all that, it is good practice with Puppet to actually deploy wrapper scripts that your exec resources. refreshonly => true on an Exec resource requests that its command be run only in the event that the resource is refreshed. This module adds a powershell provider to the exec type, which enables exec parameters, listed below. The file is not being created because the Puppet agent is never actually applying your catalog because you have a compilation error: Error: Failed to apply catalog: Validation of Exec. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. This page is about the legacy API, which uses the Puppet::Parser::Functions namespace. Sometimes I want to run a command one time on all servers, e. problem, then do check at least these things: 1) that your 'unless' command is exiting with the expected return. 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. Search. Certainly, Notify is right out. Modules that are supported by Puppet, Inc. 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. Puppet attempts to execute directories from /etc/init. Puppet can execute binaries (exe, com, bat, etc. 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. I want to check if the file exists in the client. The CentOS/Puppet installation process should already have created a directory called /etc/puppet (If it hasn’t, create it with mkdir /etc/puppet ). 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. supported Adds a new exec provider for executing PowerShell commands. 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. This release documents the noop behavior of the onlyif and unless parameters of the exec resource. Windows puppet exec command file path. 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. Please qualify the command or specify a path. 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. 1. 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 exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. Follow#####unless Runs the exec, unless the command returns 0. Modules that are supported by Puppet, Inc. Windows shared folder is a folder that has been configured to be accessed by multiple users over a network. 3 I am experiencing puppet exit code 1 when running any powershell script that starts or invokes a process. 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. Puppet’s behavior when declaring or assigning a class with both styles is undefined, and will sometimes work and sometimes cause compilation failures. When something isn't builtin to file, I generally just to turn to an puppet exec declaration. d directory, then puppet agents pull it down and execute it on every run and provide the fact. at deployment time, but figured it would be best to have Puppet manage it. 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. Note: Data sources can use the special lookup_options metadata key to request a specific merge behavior for a key. require means that the the resource passed to require must be applied before the calling resource. Possibly, then, this is the test you want to perform:This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. Basically, it makes it so you can use PowerShell Modules exactly like you use Puppet modules. 1. [Unit] Description=My Webapp Java REST Service [Service] User=ubuntu # The configuration file application. That is always handled by the service resource. sh', } Keep in mind that puppet is for enforcing the state defined in the manifests rather than running chains of. Modules that are supported by Puppet, Inc. They take a control expression and a list of cases and code blocks, and. Puppet provides a built-in exec type that is capable of executing commands. As best I can tell by reading the source code the "holdable" feature is fundamentally flawed. In a particular project, I have a lot of Puppet exec resources with pipes. Visit Stack ExchangeYes, you'd put a script into your modules path under a facts. where read = 4, write = 2, and execute/search = 1. 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. Setting noop=>false means your file resource will always be applied, even in a noop run. Exec type's onlyif and unless in --noop documented. And as for the title of this question which I originally overlooked. 2. This is a textbook case where you should write the test first, and the code after. (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 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. Load 7 more related questions Show fewer. Remove the leading . Hot Network Questions Is source of space-time curvature necessary?All groups and messages. Puppet File resource runs despite Exec unless. exe /C tzutil. 0. Discover. I am trying to create Puppet exec that would only execute if certain Windows registry value does not exist. John. It's important to note that the notify resource type is not idempotent. The exec has refreshonly => true , which only allows Puppet to run the command when some other resource is changed. Since Puppet uses the same exec resource type on both *nix and Windows systems, there are a few Windows-specific caveats to keep in mind. command => '/path/to/script. The exit status when you run it directly and the exit status you expect it to return are irrelevant. I am trying to use code like this: exec { 'example':. Project. Contribute to tarunmunjal/puppetlabs-powershell development by creating an account on GitHub. 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. The first one downloads ZIP file with binary (unless the binary has already been installed) and saves it to /tmp. onlyif => "/sbin/swapon -s | /bin/grep file > /dev/null" - This step works only if there is no swap in place, but if the swap file is already created, then the step fails. Tim Gosley’s four decades in puppetry include a wide spectrum of projects. g. Basically, it makes it so you can use PowerShell Modules exactly like you use Puppet modules. EPP has two tags for Puppet code, optional tags for parameters and comments, and a way to escape tag delimiters. Plans are sets of tasks that can be combined with other logic. 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. Try checking the puppet master log at /var/log/puppetmaster. Overtime dhcp package is upgraded, RPM returns the original permission and owner which leads to DHCP issues (foreman-proxy is unable to modify files). For. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. Try again and this time show the failure. but the command fails. 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. You might want to use the refreshonly parameter on your exec. Despite the -ExecutionPolicy parameter the PowerShell command will fail if execution is restricted via group policy. Execute installers from shared (samba) folder instead of copy it first to agent system does not solve the issue. See “Case Matching” below for details on how Puppet matches different kinds of cases. This allows you to do more complex task operations, such as. You can use onlyif, unless, creates and refreshonly to manage the case when you want the command to execute. Thus:I only want to execute that if the hostname is not what it should be: exec { 'update hostname': command => 'sudo hostname VM01', unless =>. 0. exe"", path. 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. exec command unless directory exists in puppet. It looks like you're having Puppet execute a shell script to perform the installation. The problem is Exec['apt-update'] is always performed (i. Create this file only if it does not exist, or Start this windows service unless it’s already running. 0. 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. Puppet includes two Ruby APIs for writing custom functions. Improve this answer. or use the 'resolvconf --disable-updates' exec resource's 'unless' parameter to test for a running unbound daemon prior to installing the package. The first one downloads ZIP file with binary (unless the binary has already been installed) and saves it to /tmp. 0 a new feature "relationship syntax" was introduced. So in. Your solution sounds like a work-around and it is therefore totally ok to implement a work-around using Exec. If exec command was successful and facter returns true then only it should execute, but following manifest executing individually without checking whether that exec. 0. But because a dependency failed, Exec['Y'] will be skipped during this transaction. Puppet exec unless doesn't appear to work how I expect. Try adding -Scope LocalMachine to your unless statement. execute (command, options = NoOptionsSpecified) ⇒ Puppet::Util::Execution::ProcessOutput (also: util_execute) Executes the desired command, and return the status and output. 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. Puppet Exec tag onlyif troubles. Teams. Resource default for the exec type A resource default statement set default attribute values for a given resource type. 0. Puppet Exec resource to apply only when a File changes. exe /C: exec { 'configure_timezone': command => "tzutil. Chaining arrows. check that the node can communicate with the puppetmaster on the relevant port. The code that creates the container is executed unless the following test if the container exists succeeds: lxc-info -n $ {lxcname} >/dev/null. This says "get-chocolatey" should happen before any package resource with a Chocolatey provider. Running Powershell command directly using Puppet exec resource. Yet when I run puppet agent -td I see that the puppet agent IS executing pkill -SIGQUIT mysqld; sleep 5; systemctl restart mysqld. By default, Puppet returns the first value it finds, but it can also continue searching and merge all the values together. Something like this should work: - name: Get rabbitmq vhosts. Yet when I run puppet agent -td I see that the puppet agent IS executing pkill -SIGQUIT mysqld; sleep 5; systemctl restart mysqld. txt –Value “Hello”’, logoutput => true, provider => powershell, } } The three parameters I use in this manifest are command, logoutput and provider. Problem with "if" is that it expects the file on the puppet server not on the client. 0. After changing topology strategy, cassandra should rebuild keyspace - this is where puppet comes. The best solution would actually be to use something like Augeas to examine the file and modify as necessary. 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. Default: Undefined. Modules that are supported by Puppet, Inc. exe /s "$ {timezone}"", unless => "cmd. –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. 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. 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. notify is set on the user, and refreshonly is set on the exec. One thing that you can do (and I don't recommend) and that is not "puppet way" is following:If you want to specify to take a given action if file exists, if file doesn't exist etc. 2. 1.