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. ;) – ferventcoder. Puppet File resource runs despite Exec unless. 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). e. lst contents. Expressions are statements that resolve to values. Only supported on Windows Server 2003 and above, and Windows 7 and above. Note: PowerShell variables (such as $_) must be escaped in Puppet manifests either using backslashes or single quotes. # Setting Powershell Execution Policy to unrestricted exec { 'Set PowerShell execution policy unrestricted': command => 'Set-ExecutionPolicy Unrestricted', unless. g. However the in function seems to work with if only, when I use unless I get the following e. #####unless Runs the exec, unless the command returns 0. onlyif and unless in --noop documented. exe create MyService start= auto binPath= "C:path oyour. 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 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. The script remaps several legacy user id's that conflict with local system users. where read = 4, write = 2, and execute/search = 1. Larger exit codes on Windows behave inconsistently across different tools. 1st - 2nd Smithers Midsummer Festival Smithers BC. Since I don't have Puppet 4. This means that if a file is currently a directory, setting ensure to anything but directory or present will cause Puppet to skip managing the resource and log either a notice or. All groups and messagesConditional execution of puppet defined resource type through exec. I will show how these work in the example below. Overtime dhcp package is upgraded, RPM returns the original permission and owner which leads to DHCP issues (foreman-proxy is unable to modify files). The issue is, while first two are correctly executed under "user", third command is executed in. A quick reference of syntax examples for the Puppet language. command => '/path/to/script. exe; Backslashes only. Puppet File resource runs despite Exec unless. 1 Unless issue with Puppet. Adds a new exec provider for executing PowerShell commands. In any given case, you should use whichever approach makes sense. every time Puppet's agent apply its manifests), even when the onlyif condition is false, unlike Exec['install-newrelic-apt-key']. An example in Puppet 2. # Setting Powershell Execution Policy to. I want to check if the file exists in the client. d directory, then puppet agents pull it down and execute it on every run and provide the fact. Conditional statement examples. e. Share Puppet can execute binaries (exe, com, bat, etc. It is. puppet-modules; puppet-motd; puppet-ntp; puppet-perl; puppet-php; puppet-ssh; puppet-timezone; python-cloudlb; rackspace-monitoring-agent-plugins;. 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. Tags. txt 2>&1. Welcome to the Puppet CookBook. Adds a new exec provider for executing PowerShell commands. The Forge is an online community of Puppet modules submitted by Puppet and community members. Puppet: 'creates' does not create. 2. Expand. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. Basically, it makes it so you can use PowerShell Modules exactly like you use Puppet modules. 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. There's a generalizable form of this dependency that might be helpful in reducing the repetition of the require statement. This is where refreshonly backfires rather terribly. So in pseudocode: IF postfix is installed DO touch /tmp/wehavepostfix DONE. 0. If this parameter is set, then this exec will only run if the command has an exit code. Executables, zips and or tar. Puppet strange behaviour of execs. g. newtype (:yumgroup) do @doc = "Manage Yum groups A typical rule will look like this: yumgroup { 'Development tools': ensure => present, } " ensurable newparam (:name) do isnamevar desc 'The name of the group' end end. Your exec will run only if pgrep returns 0. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. Default: Undefined. Expressions can be compounded with other expressions, and the entire combined expression resolves to a single value. I am struggling with how to pass a puppet variable through to powershell. However, this manifest will exec the command every time the puppet client checks in with the puppet master. If the query specified in the unless parameter returns one or more records, the main statement is skipped. 1. 1 Answer. 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. However; I would like promote these into our production branch. execs will always run. How to pass multiple values in exec command resource in puppet? 0. Load 7 more related questions Show fewer. Teams. The Win32 APIs. All modules; Supported modules; Modules with tasks; Contribute. No find command is run; the test just passes by examination of the argument. d/pgsql. Chaining arrows. Among them, notice (), info (), and debug () seem the. Depending on your client's platform you can use ACLs to grant varied permissions to more than one group or user. Puppet File resource runs despite Exec unless. 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. I am poorly familiar with the puppet language but would guess something like this to execute the jar file: exec { 'jar_execution': command => 'cmd. Execute create_resource after everything has finished or after exec has finished. 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. Using virtual box and a vagrant bas. refresh: Command to execute if the resource is refreshed due to a notify or subscribe. {"payload":{"allShortcutsEnabled":false,"fileTree":{"lib/puppet/type":{"items":[{"name":"file","path":"lib/puppet/type/file","contentType":"directory"},{"name. Improve this answer. If Puppet is managing the user that an exec should. Puppet: exec onlyif value is not equal. You can use not filter to get unless like behavior. Hot Network QuestionsOn this site you can find information about supported enterprise-grade puppet modules. Right now, I have the bit below for certain nodes:open-vm-tools. Try again and this time show the failure. Long answer. 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'. 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. Ensure directory tree exists. Alternatively, if that is valid, call the prior script through the latter's onlyif or unless parameter, instead of as its own exec resource. I'm really confused about this, it seems like puppet can. 0powershell. Apart from all that, it is good practice with Puppet to actually deploy wrapper scripts that your exec resources. 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. When I apply the manifest for the first time, it works correctly. ##Development. exec { "Change status and start-up of Win service": command => 'C:WindowsSystem32WindowsPowerShellv1. (2) it is unclear from your description whether the Exec's command is actually run (vs. exe /s "$ {timezone}"", unless => "cmd. 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. Iteration functions. I am trying to create Puppet exec that would only execute if certain Windows registry value does not exist. Puppet 7. With Bolt on the command line, run bolt task run exec command=<COMMAND>. There are a number of parameters you can set. execute (command, options = NoOptionsSpecified) ⇒ Puppet::Util::Execution::ProcessOutput (also: util_execute) Executes the desired command, and return the status and output. All groups and messages. 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. So then intention and documentation has always been the same since 4. Alternative 1: create a bash script: ugly Exec resources and temp files. As far as I know, the basic file type in Puppet only handles discretionary permissions that only allow for one group and one owner. It will execute the block of code associated with the first matching case, and ignore the remainder of the statement. I have two similar Exec[] in a class, both with the onlyif parameter, as you can see below. Tasks use Scripts to execute them on remote machines. It will also restart itself if exec['Do Stuf'] runs because of the way the relationship is defined. Yes, you'd put a script into your modules path under a facts. 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. Adding a / to the end of a file name isn't enough to tell puppet to. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. config/autostart ]' is not qualified and no path was specified. Here is my code, don't worry about variable which is already set in original code. Puppet provides a built-in exec type that is capable of executing commands. The whole idea of adding this step is to check and execute the command- makeswap only if the swap is not in place. The Forge makes it easier for you to manage Puppet and can save you time by using pre-written modules, rather than writing. cmd', provider => windows, subscribe => File ['folder_a'], logoutput => true, refreshonly => true, # Add this line. Maybe. Puppet exec unless doesn't appear to work how I expect. Here's an example: @user { 'foo': groups => ['somegroup'], membership => minimum, } Then realize that virtual user with then collection syntax: User <| title == foo |>. The cis_security_hardening module has a parameter enforce for each rule. you can check this quickly with the telnet command. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. The default behavior is to report the exit code only for the last command in the pipeline. But you really need something like an onlyif or unless or this is going to execute every 30 minutes and that breaks the idempotent rule we try and apply with Puppet code where things. Unless you are sharing with the world, you don’t need most. Provides integrated testing tools and a command line interface to help you. Q&A for work. So the "cwd" now impacts the path of the "onlyif". Like, from scratch. When a lambda requires extra information, pass it to a function that provides the information and to evaluate the code, possibly multiple times. Tim Gosley’s four decades in puppetry include a wide spectrum of projects. exec { 'mysql post cmd1': command => 'whatever', require => Mysql::Db['cosmed'], unless => 'command to check that this exec has been applied. 1. In Puppet, when using the exec resource, you can specify an "unless" attribute. Install Puppet Agent on bulk windows server. Hot Network Questions Cause-effect definition of fictitious forcesAdds a new exec provider for executing PowerShell commands. sh', onlyif => systemctl service_trendmicro, # which system should return. 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. 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,. powershell conditional IsNullorEmpty not working as planned. exec command unless directory exists in puppet. In this blog post, we'll make it simple with definitions and examples to explain the basics of platform engineering vs. 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: exec { 'configure_timezone': command => "tzutil. This means that if a file is currently a directory,. The Win32 APIs define exit. That's what the ticket is about. Platform Engineering. 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. 2. 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. Topics. You can read more about it here. However, the problem with the exec is that it is not idempotent. asked Apr 1, 2022 at 20:47. Modules that are supported by Puppet, Inc. The pgrep manual page tells us that the exit code for pgrep will be zero (0) only when matching processes are found and it'll return one (1) when there are no matching processes. Back to overview of wls_exec. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. The command specified causes the exec to be triggered unless the command specified returns a success (zero) exit status. 0. If you do need to do it via say the exec resource, then @16c7x's statement is correct. How to clean up files created by Exec resources? 0. The CentOS/Puppet installation process should already have created a directory called /etc/puppet (If it hasn’t, create it with mkdir /etc/puppet ). 00 GiB'and $::facts['processorcount'] >= 2 and Exec['port_connectivity'] condition was successful. Puppet noop When Executable does not exist yet. 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. It is a limitation of the underlying system. 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. For information on all core types, including supported types in the puppet-agent package, see. The command is only executed if the Guest account does not exist, as indicated by unless returning 0. if you want execute a powershell file:. Running Powershell command directly using Puppet exec resource. 12, but from 5. This can have severe impacts to the machines, especially if security settings are defined in a wrong way. So, in order to avoid this I am adding the refreshonly parameter as follows. I have a script that really only needs to be run one time on a server, i. when i do it manually ("CREATE ROLE replica ENCRYPTED PASSWORD '123';") it does work, but for some reason it does not work from the puppet. 6. The Puppet Design Philosophy Before we begin to explore best practices with Puppet, it’s valuable to understand the reasoning behind these recommendations. When you share a folder on your computer, other users on the same network can access the files and folders inside it. 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. If this parameter is set, then this exec will only run if the command has an exit code. Connect and share knowledge within a single location that is structured and easy to search. This module is particularly helpful if you need to run PowerShell commands but don't know the details about how PowerShell is executed, because you can run PowerShell. Is there a way to tell puppet to only execute command if one of the files does not exist? 1. Bolt docs. The best solution would actually be to use something like Augeas to examine the file and modify as necessary. Puppet Exec with no command attribute. The Puppet “exec” resource allows users to run commands and scripts on nodes. Plans. This part of the series will walk you through the process of automating server provisioning using Puppet, a popular configuration management tool capable of managing complex infrastructure in a transparent way, using a master server to orchestrate the configuration of the nodes. Adds a new exec provider for executing PowerShell commands. The way I check this is if the gopher user has the default uid of 13. how to ensure puppet exec run on every event triggered? 0. In your case, the Exec is always successfully applied. Puppet - Check if package is installed, but do not require it. 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. 1. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platformsExpand. . . Local user accounts are often desirable for isolating applications requiring unique permissions. 2. 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. 1', } Puppet supports if and unless statements, case statements, and selectors. 17 also improves the way typed class parameters are checked. I will show how these work in the example below. if exec joins the domain, it should have an unless condition that tests whether or not the machine is part of the domain. exec { 'foobar': command => 'foo | bar', } However, there are occasions where foo fails. ##Limitations. The service will detect it is not running and start itself if required. supported. The whole idea of adding this step is to check and execute the command- makeswap only if the swap is not in place. 2. November 8, 2023. 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" statements work like reversed if statements. Puppet Labs modules on the Puppet Forge are open projects, and community contributions are essential for keeping them great. The ordering arrow is a hyphen and a greater-than sign ( -> ). The issue is, while first two are correctly executed under "user", third command is executed in. Unless you tell your exec not to run for some reason or another, it will always run. When I apply the manifest for the first time, it works correctly. Despite the -ExecutionPolicy parameter the PowerShell command will fail if execution is restricted via group policy. This seems to work just fine. Please qualify the command or specify a path. 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. notify is set on the user, and refreshonly is set on the exec. Since I don't have Puppet 4. Understand the syntax and function of the if, unless, case, and selector statements. exec. ) I am running Puppet v3. Running Powershell in Puppet. You are missing my points: (1) you need to establish what grep's exit status actually is when Puppet runs it. unless. 2) that no other resource is set to 'notify' Exec ['command_two']. If exec command was successful and facter returns true then only it should execute, but following manifest executing individually without checking whether that exec. Puppet can run binary files (such as exe, com, or bat), and can log the child process output and exit status. Connect and share knowledge within a single location that is structured and easy to search. 1. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. Important: This API has severe problems — most notably, functions that use it will leak between environments. Puppet File resource runs despite Exec unless. 20. Puppet Labs modules on the Puppet Forge are open projects, and community contributions are essential for keeping them great. 0. Related questions. 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. Share. wow! My recommendation is: throw it away and start over. 0. I am trying to run a Powershell command directly using Puppet exec resource instead of specifying path to the Powershell script. The --debug flag enables verbose logging. e. 2 install on Ubuntu 18. Conditional statements allow you to write Puppet code that will return different values or execute different blocks of code depending on conditions you specify. Here is the service file springboot. But, only deploy the scripts when certain file exists, one that would only exist on the first puppet run after build. If. 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. Unless required by applicable law or agreed to in writing, Licensor provides the Work (and each Contributor provides its Contributions) on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any. 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. Learn more about TeamsUnless puppet supports escaping somehow. This style guide promotes consistent formatting in the Puppet language, giving you a common pattern, design, and style to follow when developing modules. And if you do intend to resolve it as a. Puppet Exec resource to apply only when a File changes. Try adding -Scope LocalMachine to your unless statement. ##Development. 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. This tells Puppet to run aspnet_regiis. The Puppet exec resource has OnlyIf and Unless attributes which can be used to limit when the command is invoked; e. Step Zero: Enable SELinux! Enabling SELinux is done by including the site_selinux class somewhere in your Puppet configuration. indicates that the shell tried to execute '3' as a command, and, unsurprisingly, did not find it. Is there a way to tell puppet to only execute command if one of the files does not exist? 0. log. I read the message you ask about as saying that the Exec was not refreshed, so the command will not be run. 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. Puppet can take an existing PowerShell Module and build a Puppet module out of it. Puppet File resource runs despite Exec unless. Adds a new exec provider for executing PowerShell commands. This runs the first-exec, and unless /var/exists it runs the second-exec. This will not work because the Package resource type does not have an 'unless' parameter -- that's a feature specific to Exec resources. As long as the file / directory specified in creates exists puppet won't run the exec. Resource default for the exec type A resource default statement set default attribute values for a given resource type. 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. sudo -u fred /usr/bin/echo "hola dan" Note that I used sudo -u in favor of sudo su -. Create this file only if it does not exist, or Start this windows service unless it’s already running. 4. Is this the best way to do this?. As a result, the chown in the main command always is run, and that is reported. What is Puppet? | How Puppet Works? | Puppet Tutorial For. Q&A for work. supported Adds a new exec provider for executing PowerShell commands. jar file is actually an update for an application which is running as a service. You can also set variables within the manifest, which can change the. NORTHWEST LIBRARY FEDERATION. 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?. . 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. 1. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. But it when I try it, it is. 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. You could use for instance (see reference doc)An exec will always run unless it has something to limit it. d/x exists then /bin/true is run (successfully). Try again and this time show the failure. The Puppet “exec” resource allows users to run commands and scripts on nodes. Valid options: String. 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. do, line 50) cannot accept an array of options. 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. The generic way for "manually" creating a service in Windows is to use the sc. puppet agent -td --evaltrace --profile > agent_debug. Modules that are compatible with Puppet Development Kit (PDK) validation and testing tools. I don't think there's something built into Puppet. . The shortest path to creating better Puppet modules. Puppet strange behaviour of execs. Adds a new exec provider for executing PowerShell commands. #####unless Runs the exec, unless the command returns 0. Puppet: Conditional exec using unless-option. The Puppet exec will not run unless the "unless" command exits with status 0. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple. pp file. TJL. 5. 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. 0. 0. Expand. We will focus on the language terminology, syntax and. For detailed information about built-in types, see the Resource type reference. How to set Powershell ExecutionPolicy via Puppet exec command with unless property on Windows?. Control expressions unless => 'ls /somefile' ls will return with a non-zero return code if the file does not exist and unless will only let the exec it is under execute if its test returns a non-zero return code. The issue isn't that the package doesn't install, but rather that apt automatically starts the. loki77. The exit status when you run it directly and the exit status you expect it to return are irrelevant. cmd', provider => windows, subscribe => File ['folder_a'], logoutput => true, refreshonly => true, # Add this line. Manage local groups . Conditional statements allow you to write Puppet code that will return different values or execute different blocks of code depending on conditions you specify. 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 exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. Googling unless ansible showed this document about when. . [Unit] Description=My Webapp Java REST Service [Service] User=ubuntu # The configuration file application. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. Valid options: String. 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 onlyif parameter is defined as. 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. 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. 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. require means that the the resource passed to require must be applied before the calling resource. 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/. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. 0 or later must be installed on the machine from which you are running task commands.