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. Puppet: exec onlyif value is not equal. Puppet exec - fails to execute command as user. Puppet Development Kit. See provider/exec. They take a Boolean condition and an arbitrary block of Puppet code, evaluate the condition, and if it is false, execute. With PE on the command line, run puppet task run exec command=<COMMAND>. sh', } Keep in mind that puppet is for enforcing the state defined in the manifests rather than running chains of. You can read more about it here. }Puppet: Conditional exec using unless-option. Sequence of Execs in Puppet. Windows shared folder is a folder that has been configured to be accessed by multiple users over a network. Modules that are supported by Puppet, Inc. Using virtual box and a vagrant bas. This module is particularly helpful if you need to run PowerShell commands but don't know the details about how PowerShell is. To use sudo non-interactively, the invoking user needs a NOPASSWD: entry in sudoers %wheel ALL=(fred) NOPASSWD: /usr/bin/echo "hola dan" Then. I am getting different errors and i was thinking on changing the approach and add those inline cmdlets into a . Puppet can run binary files (such as exe, com, or bat), and can log the child process output and exit status. However the in function seems to work with if only, when I use unless I get the following e. [Unit] Description=My Webapp Java REST Service [Service] User=ubuntu # The configuration file application. Running Powershell command directly using Puppet exec resource. 6. 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. exe"", path. 6. Sometimes a simple creates isn't enough to determine if an exec should run or not. Puppet strange behaviour of execs. But, only deploy the scripts when certain file exists, one that would only exist on the first puppet run after build. So, in order to avoid this I am adding the refreshonly parameter as follows. However, this manifest will exec the command every time the puppet client checks in with the puppet master. 0. Puppet exec unless doesn't appear to work how I expect. Note: PowerShell variables (such as $_) must be escaped in Puppet manifests either using backslashes or single quotes. #####unless Runs the exec, unless the command returns 0. I don't think there's something built into Puppet. My concept is Execute the script if the output from az --help give nothing (which mean there's no Azure install)Puppet exec unless doesn't appear to work how I expect. Step Zero: Enable SELinux! Enabling SELinux is done by including the site_selinux class somewhere in your Puppet configuration. 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. Discover. 1. Puppet lookup uses a hierarchy of data sources, and a given key might have values in multiple sources. Just. Taking the baseline time away, the old module took 20 seconds (32 - 12) and the new module took 10 seconds (22 - 12). the unless attribute provides a condition. Scripts file serving mount. It is a limitation of the underlying system. And as for the title of this question which I originally overlooked. Adds a new exec provider for executing PowerShell commands. Puppet Exec with no command attribute. However, this manifest will exec the command every time the puppet client checks in with the puppet master. This consistency in code and module structure makes it easier to update and maintain the code. 0 on RHEL 6 and am doing package management via the exec resource. supported Adds a new exec provider for executing PowerShell commands. TJL. d/ Prevents Puppet from considering. 1. This means that if a file is currently a directory,. 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. All modules; Supported modules; Modules with tasks; Contribute. 1. 0. It logs all diagnostic messages during a Puppet run. 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. 0. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platformsExpand. Puppet: Conditional exec using unless-option. 0. This example specifies defaults for the exec resource type attributes path , environment , logoutput , and timeout . Learn more about TeamsPuppet provides a built-in exec type that is capable of executing commands. Your fact could be something like this: #!/bin/bash if [ -f /my/file. 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 refreshonly => true, which allows Puppet to run the command only when some other resource is changed. Puppet - Check if package is installed, but do not require it. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. First, change the require arrow to a notify arrow, from -> to ~>. If. The documentation referenced is about something different: the 'unless' statement. Is there a way to tell puppet to only execute command if one of the files does not exist? 0. 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. 0 to 5. g. By using find to execute whatever commands you mean by "manage files" you should be able to accomplish your goal. All groups and messagesCreate A Puppet Configuration File. It would be better to explicitly "exit 0" whenever you do not "exit 1". Puppet Exec resource to apply only when a File changes. asked Apr 1, 2022 at 20:47. 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. Since Puppet 2. g. A quick reference of syntax examples for the Puppet language. This will cause puppet to. Iteration features are implemented as functions that accept blocks of code ( lambdas ). , 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. I would like to add a number of control gates into my manifest via onlyif and unless. Connect and share knowledge within a single location that is structured and easy to search. How to set Powershell ExecutionPolicy via Puppet exec command with unless property on Windows?. 0. Yet when I run puppet agent -td I see that the puppet agent IS executing pkill -SIGQUIT mysqld; sleep 5; systemctl restart mysqld. Unless you tell your exec not to run for some reason or another, it will always run. The issue isn't that the package doesn't install, but rather that apt automatically starts the. silent way to import registry file via puppet module. They take a Boolean condition and an arbitrary block of Puppet code, evaluate the condition, and if it is false,. Alternative 1: create a bash script: ugly Exec resources and temp files. This module adds a powershell provider to the exec type, which enables all of the exec parameters, such as creates, onlyif, unless, etc. 0. Hiera supports booleans, and always has done so -- or at least, it is so documented. On reboot, the directory doesn't exist, strangely enough. password is not getting changed to the default password and also chage. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. . Modules that are supported by Puppet, Inc. exe invocation: exec { 'test': command => 'C:\Windows\System32\WindowsPowerShell\v1. From the puppet i get the error:The solution is to invoke bash with the command as an argument, i. Puppet Labs modules on the Puppet Forge are open projects, and community contributions are essential for keeping them great. I am using vagrant with puppet to set up virtual machines for development environments. 1 on many Windows machines. Puppet check if a nagios resource exists. You should never use this API unless you absolutely must support Puppet 3. txt –Value “Hello”’, logoutput => true, provider => powershell, } } The three parameters I use in this manifest are command, logoutput and provider. Modules. Since Puppet 2. , for example, the Exec resource being. This tells Puppet to run aspnet_regiis. in. Try checking the puppet master log at /var/log/puppetmaster. If it always returns a false (non-zero) exit code then the two. Now that Puppet is installed and ready to run, it’s time to create a Puppet configuration. The Puppet exec will not run unless the "unless" command exits with status 0. Sort by Year. 0. However, the problem with the exec is that it is not idempotent. Best practices with exec is to use onlyif and unless to test for whatever action the exec is supposed to have performed. 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. 1st - 2nd Smithers Midsummer Festival Smithers BC. 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. From the puppetlabs docs: The noop metaparameter allows you to apply individual resources in noop mode, and will override the global value of the noop setting. Here is my code, don't worry about variable which is already set in original code. The Puppet “exec” resource allows users to run commands and scripts on nodes. Q&A for work. notify. The Puppet “exec” resource allows users to run commands and scripts on nodes. Modules that are supported by Puppet, Inc. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. 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. Puppet FuturePuppet is a configuration management tool which helps you to build the infrastructure and maintain its state. exe utility (note the space after and lack thereof before the = character): exec { "install_service" : command => "$ {Sys32}sc. I can fix this manually. 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. supported Adds a new exec provider for executing PowerShell commands. 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. The command parameter is the PowerShell code you want to run on your node. puppet exec returned 1 instead of [0] 1. Writing some classes for cassandra, one of them is to align clustering settings using puppet exec etc. cmd', provider => windows, subscribe => File ['folder_a'], logoutput => true, refreshonly => true, # Add this line. This can be used with bash on Linux,. Secondly I would like to use booleans from a bash script running diff <() <(). 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. JULY . 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. exe /c C:/test. If exec command was successful and facter returns true then only it should execute, but following manifest executing individually without checking whether that exec. Let’s take a look there: ls -la /etc/puppet. Depending on the complexity of the script, and if you want to run it with tools other than Puppet, I'd generally create it as a file-on-disk with a file type, then have an exec run the scripts. 0 how to ensure puppet exec run on every event triggered? 0 Puppet: How to execute a Exec resource if another Exec resource failed. 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 strange behaviour of execs. Puppet 7. refreshonly => true on an Exec resource requests that its command be run only in the event that the resource is refreshed. Or even better, split the shells parts into separate exec resources with dependencies and unless parameters. Puppet exec - fails to execute command as user. 0 Output on one command cause next one to fails. 0 or later must be installed on the machine from which you are running task commands. So, in order to avoid this I am adding the refreshonly parameter as follows. supported Adds a new exec provider for executing PowerShell commands. Puppet for Windows and Powershell Recipes. Modules that are supported by Puppet, Inc. All groups and messagesConditional execution of puppet defined resource type through exec. 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. execs will always run. Adds a new exec provider for executing PowerShell commands. 20. The problem is Exec['apt-update'] is always performed (i. The CentOS/Puppet installation process should already have created a directory called /etc/puppet (If it hasn’t, create it with mkdir /etc/puppet ). When using cmd. In your case, it sounds like you want the exec to run only when your file changes. 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. There are times when you have a complex script that you just need to get into configuration management. 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. 2. 1. 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. The command specified causes the exec to be triggered unless the command specified returns a success (zero) exit status. If the query specified in the unless parameter returns one or. Learn more See the exec documentation for the command, unless, and onlyif. If Puppet is managing the user that an exec should run as. 2. Aside from being good. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. The generic way for "manually" creating a service in Windows is to use the sc. Puppet exec unless doesn't appear to work how I expect. Default: Undefined. jar file is actually an update for an application which is running as a service. When I apply the manifest for the first time, it works correctly. Learn more about TeamsIt's just not something you can do with vcsrepo unless you can override path (you can in exec). . Puppet is an amazingly powerful and flexible tool. So having Puppet do it automatically will help with that. Default: Undefined. h ), and the sub-processes it spawns. So in. Based on that documentation, a when statement was added: - name: add vhost sensu command: rabbitmqctl add_vhost /sensu when: rabbitmqctl list_vhosts | grep sensu. Create this file only if it does not exist, or Start this windows service unless it’s already running. rb instead of including them in the individual test files. There are three main ways for an exec to be idempotent:Conversations. 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'. An example in Puppet 2. To use commands with pipe |, you must use the shell builtins work around with cmd. The whole idea of adding this step is to check and execute the command- makeswap only if the swap is not in place. 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. 2. So on a fresh installation, a refresh event will be received but the resource will. 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. 2 but are only using architecture-appropriate. 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. If the resource that you want to apply conditionally does not have any built-in conditional checks that serve the purpose, then Puppet conditional statements such as if and case are the most likely options. There's a generalizable form of this dependency that might be helpful in reducing the repetition of the require statement. If you do need to do it via say the exec resource, then @16c7x's statement is correct. For information on all core types, including supported types in the puppet-agent package, see. 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. exec { "Test": command => "/bin. When evaluated, these tagged expressions can modify text in the template. 12 behavior got changed to match the intention. sh', onlyif => systemctl service_trendmicro, # which system should return 0 or 1 for pass. The script remaps several legacy user id's that conflict with local system users. 1. exec {'rename-guest': command => '(Get-WMIObject Win32_UserAccount -Filter "Name='guest'"). exe -NoProfile -NoLogo . Puppet Resources are the building blocks that puppet uses to model system configurations. 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. Their exit codes convey whether to proceed with running the main command. It sounds like this is exactly what you need: exec { 'test_cmd': path => $::path, command => 'cmd. This tells Puppet to run aspnet_regiis. 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. If a manifest has no syntax errors, the tool outputs nothing. Thus, a package can not both be installed at a particular version and marked held using dpkg. Windows puppet exec command file path. 1 Answer. Currently, he experiments. Puppet running exec. 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. As far as I know, the basic file type in Puppet only handles discretionary permissions that only allow for one group and one owner. When I apply the manifest for the first time, it works correctly. 1. 2. There are a few important parameters to use when writing an exec resource with PowerShell. . 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. Extending the timeout is an option but ridiculous since default is 300 seconds and none of these commands should take 5 minutes or more to return. E. Puppet modules to install and manage Oracle databases, Oracle Weblogic and Fusion Middleware, IBM MQ, IBM Integration Bus and other enterprise-grade software. The Forge makes it easier for you to manage Puppet and can save you time by using pre-written modules, rather than writing. The onlyif parameter is defined as. log. First I would like to use booleans as defined in Hiera [ auto lookup function ]. 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. You can also set variables within the manifest, which can change the. Puppet Exec with no command attribute. indicates that the shell tried to execute '3' as a command, and, unsurprisingly, did not find it. unless. You are missing my points: (1) you need to establish what grep's exit status actually is when Puppet runs it. This says "get-chocolatey" should happen before any package resource with a Chocolatey provider. 0. user. 1. 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 file will be generated in the directory you're currently in, unless you specify otherwise. e. 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. Puppet Exec with no command attribute. d/pgsql. There's a generalizable form of this dependency that might be helpful in reducing the repetition of the require statement. The command specified causes the exec to be triggered unless the command specified returns a success (zero) exit status. However, I only want to apply the 'netsh advfirewall reset' exec if firewall rules other than what I have specified in Hiera exist. 0. Puppet: how to remove a directory and everything in it. The second one unzips it. Thus:I only want to execute that if the hostname is not what it should be: exec { 'update hostname': command => 'sudo hostname VM01', unless =>. As a result, notifications are shown as a change on every Puppet run. txt ]; then echo "my_fileexists=yes" else echo "my_filexists=no" fi. In this blog post, we'll make it simple with definitions and examples to explain the basics of platform engineering vs. . With PE on the command line, run puppet task run exec command=<COMMAND>. Puppet File resource runs despite Exec unless. 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. Puppet Exec tag onlyif troubles. 1. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. 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. -- Peter Bukowinski. You can use not filter to get unless like behavior. 1. My first idea came in the lines of (within a class):One minor nitpick regarding Womble's answer: the puppet style guide recommends using single quotes unless you need double quotes for variable interpolation. Then, you can install the Nuget package via the package resource in Puppet. How do I make a puppet class dependent on all of the resources it defines? 1. 0 a new feature "relationship syntax" was introduced. 2. 1. For example, the value String represents the data type of strings. In any given case, you should use whichever approach makes sense. Load 7 more related questions Show fewer. code. My understanding is that if the second exec fails, the defined resource type should NOT be refreshed. Manage local groups . 2. Try adding -Scope LocalMachine to your unless statement. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. 3. Alternaitve 2: Use Augeas: seems overkill for a simple search & replace. Unix: exec { 'delete_files': command => "/bin/find [your find command arguments here] -delete", } Some find commands don't have -delete, so. Like if statements, case statements choose one of several blocks of arbitrary Puppet code to execute. 0 through 3. Conditional statement examples. An example in Puppet 2. Problem with "if" is that it expects the file on the puppet server not on the client. When something isn't builtin to file, I generally just to turn to an puppet exec declaration. The notifying arrow is a tilde and a greater-than sign ( ~> ). 0. Discover. Modules. If /etc/init. Understand the syntax and function of the if, unless, case, and selector statements. 2 Answers Sorted by: 6 test work for me at /usr/bin, so adding it to path could solve error. The exec has refreshonly => true , which only allows Puppet to run the command when some other resource is changed. Puppet File resource runs despite Exec unless. As far as I know, the basic file type in Puppet only handles discretionary permissions that only allow for one group and one owner. 0. Creating a directory is another task that is handled by the powerful and flexible file type. Adds a new exec provider for executing PowerShell commands. } Puppet: Conditional exec using unless-option. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. Sorted by: 0. Puppet provides a built-in exec type that is capable of executing commands. Expand. Sequence of Execs in Puppet. He just built and performed the lead puppet for a Toronto television pilot. PUP-11199. You can use the unless parameter to only execute the statement in certain states. <%= EXPRESSION %> — Inserts the value of a single expression. Puppet: exec onlyif value is not equal. Publish a module; Topics.