Service ['x'] will be applied either way, but if the physical service is already in its target state (stopped), then Puppet won't take any. So the "cwd" now impacts the path of the "onlyif". Running Powershell in Puppet. cmd. 1. 6. This style guide promotes consistent formatting in the Puppet language, giving you a common pattern, design, and style to follow when developing modules. you have no choice (to my knownledge) currently than to use the exec resource with creates + onlyif or unless directives. An 'unless' statement could be used to avoid declaring the package at all in the event that a custom fact. service. Without one of these conditions, the exec will run on every run of the puppet file which is generally undesirable. The ensure (see ensurable. Only supported on Windows Server 2003 and above, and Windows 7 and above. Puppet: 'creates' does not create a new file. Here's an example: @user { 'foo': groups => ['somegroup'], membership => minimum, } Then realize that virtual user with then collection syntax: User <| title == foo |>. If this parameter is set to true all necessary changes are made to make a server compliant to the security baseline rules. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. ps1 script. All groups and messagesCreate A Puppet Configuration File. When something isn't builtin to file, I generally just to turn to an puppet exec declaration. Note: PowerShell variables (such as $_) must be escaped in Puppet manifests either using backslashes or single quotes. exe /s "$ {timezone}"", unless => "cmd. In this case specifying a directory is done by setting ensure to (unsurprisingly) directory. Certainly, Notify is right out. Problem with "if" is that it expects the file on the puppet server not on the client. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. Modules. See the Puppet Type Reference for the exec resource and look for unless and onlyif. Share. g. Puppet FuturePuppet is a configuration management tool which helps you to build the infrastructure and maintain its state. It looks like you're having Puppet execute a shell script to perform the installation. 2. When a lambda requires extra information, pass it to a function that provides the information and to evaluate the code, possibly multiple times. Adds a new exec provider for executing PowerShell commands. Chaining arrows. puppet exec command issue. Do you have reason to think that there's something wrong with. This consistency in code and module structure makes it easier to update and maintain the code. That will run every time puppet runs. Puppet’s behavior when declaring or assigning a class with both styles is undefined, and will sometimes work and sometimes cause compilation failures. 0. Valid options: String. If this parameter is set, then this exec will only run if the command has an exit code. I am wondering whether it is possible to have Puppet only stop and disable a Windows service if it exists. A statement to determine if the wls_exec must execute. Using onlyif allows you to use the return value of one or more commands as your. supported Adds a new exec provider for executing PowerShell commands. 0 how to ensure puppet exec run on every event triggered? 0 Puppet: How to execute a Exec resource if another Exec resource failed. 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. if statement, using expressions and facts. 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 { ‘SETHELLO’: command => ‘Add-Content -Path c:\test. Local user accounts are often desirable for isolating applications requiring unique permissions. It applies the resource on the left before the resource on the right. Juan. 10, to 5. If you declare users as virtual resources , you can then use 'realize' or the collection syntax ( User <|. Include-like behaviorAll groups and messages. puppet exec returned 1 instead of [0] 1. 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. It would be better to explicitly "exit 0" whenever you do not "exit 1". The exec has refreshonly => true , which only allows Puppet to run the command when some other resource is changed. Alternatively, if that is valid, call the prior script through the latter's onlyif or unless parameter, instead of as its own exec resource. "exec / onlyif" and "exec / unless" are kind of measures-of-last-resort in the Puppet world (now, having said that, I must admit that I'm completely guilty of using it myself on occasion :p ). Setting the umask only has effect within the process that does it (see umask in sys/stat. 0. 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. 2 install on Ubuntu 18. exe -executionpolicy remotesigned -file C:\test. Plans. Sends an arbitrary message, specified as a string, to the agent run-time log. require means that the the resource passed to require must be applied before the calling resource. 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. The CentOS/Puppet installation process should already have created a directory called /etc/puppet (If it hasn’t, create it with mkdir /etc/puppet ). The Win32 APIs define exit. Remove the leading . I don't think there's something built into Puppet. Puppet Exec with no command attribute. Hot Network Questions Is source of space-time curvature necessary?All groups and messages. exe startup arguments, so local scope will always return Bypass, thus causing it to fail on the unless every time. 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. Puppet tasks are single, ad hoc actions that you can run on target machines in your infrastructure, allowing you to make as-needed changes to remote systems. exe /C tzutil. JULY . 7. Try again and this time show the failure. I have two similar Exec[] in a class, both with the onlyif parameter, as you can see below. 1. Step Zero: Enable SELinux! Enabling SELinux is done by including the site_selinux class somewhere in your Puppet configuration. I am struggling with how to pass a puppet variable through to powershell. exec command unless directory exists in puppet. 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. As long as the file / directory specified in creates exists puppet won't run the exec. There are three main ways for an exec to be idempotent:Conversations. The issue isn't that the package doesn't install, but rather that apt automatically starts the. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. There are times when you have a complex script that you just need to get into configuration management. 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. Puppet: 'creates' does not create. Tim Gosley’s four decades in puppetry include a wide spectrum of projects. You can use not filter to get unless like behavior. 2. The issue is, while first two are correctly executed under "user", third command is executed in. 1 on many Windows machines. e. So I assume when the puppet agent runs on my node I should NOT see pkill -SIGQUIT mysqld; sleep 5; systemctl restart mysqld execute. exe create MyService start= auto binPath= "C:path oyour. ¯_ (ツ)_/¯. With Bolt on the command line, run bolt task run exec command=<COMMAND>. 1. 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. PUP-11199. Re-writing scripts into manifests is time-consModules that are compatible with Puppet Development Kit (PDK) validation and testing tools. And if you do intend to resolve it as a. log. In the code that Womble shows, there are no variables, so all the " should instead be '. 26th - 28th Surrey Sparks Stages - Puppet-making workshops Surrey BC. Puppet supports a few different ways of implementing conditional logic: ; if statements, ; unless statements, ; case statements, and ; selectors. Important: This API has severe problems — most notably, functions that use it will leak between environments. If a manifest has no syntax errors, the tool outputs nothing. Modules that are compatible with Puppet Development Kit (PDK) validation and testing tools. 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. The issue is, while first two are correctly executed under "user", third command is executed in. 0. 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. com I am trying to create Puppet exec that would only execute if certain Windows registry value does not exist. d directory, then puppet agents pull it down and execute it on every run and provide the fact. To use sudo non-interactively, the invoking user needs a NOPASSWD: entry in sudoers %wheel ALL=(fred) NOPASSWD: /usr/bin/echo "hola dan" Then. In a particular project, I have a lot of Puppet exec resources with pipes. As Forrest already said, it's not what puppet is designed for. exe utility (note the space after and lack thereof before the = character): exec { "install_service" : command => "$ {Sys32}sc. 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. 2) that no other resource is set to 'notify' Exec ['command_two']. 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. Sequence of Execs in Puppet. If /etc/init. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. e. Puppet - How to purge a directory. Alternative 1: create a bash script: ugly Exec resources and temp files. |>). Modules. Puppet Exec tag onlyif troubles. 1. The file will be generated in the directory you're currently in, unless you specify otherwise. However the in function seems to work with if only, when I use unless I get the following e. } @choover Unfortunately that won't work. Or even better, split the shells parts into separate exec resources with dependencies and unless parameters. 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 Forge makes it easier for you to manage Puppet and can save you time by using pre-written modules, rather than writing. exe /c C:/test. Puppet File resource runs despite Exec unless. Running Powershell command directly using Puppet exec resource. Find can exclude Named Pipes:-type c File is of type c: b block (buffered) special c character (unbuffered) special d directory p named. {"payload":{"allShortcutsEnabled":false,"fileTree":{"lib/puppet/type":{"items":[{"name":"file","path":"lib/puppet/type/file","contentType":"directory"},{"name. The shortest path to creating better Puppet modules. Puppet can execute binaries (exe, com, bat, etc. First I would like to use booleans as defined in Hiera [ auto lookup function ]. exec { "Test": command => "/bin. Thus, a package can not both be installed at a particular version and marked held using dpkg. On Windows, most exit codes should be integers between 0 and 2147483647. You can also set variables within the manifest, which can change the. Yes, you'd put a script into your modules path under a facts. asked Apr 1, 2022 at 20:47. 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. The command specified causes the exec to be triggered unless the command specified returns a success (zero) exit status. 5. exec command unless directory exists in puppet. This means you. 0. 0. Adds a new exec provider for executing PowerShell commands. 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. if reason variable null or empty, halt with an explanatory message; Bash's -z conditional operator can catch both null and empty cases, including when the value is null on account of the variable not being set at all, but remember that it is evaluated after the command is fully expanded. An exec resource, which starts a powershell script, which starts a PowerShell process, which starts a CMD process, which runs a batch file (with an invalid path), which runs another batch file, which processes some kind of response file. I assume the default behavior of the parser is such that if it receives an array. It am trying to add 'replica' user to my postgres server though puppet so i can use it in my master-salve cluster. 0. See full list on puppet. The ordering arrow is a hyphen and a greater-than sign ( -> ). My question is: I want to check if a file exists in the /tmp folder, and delete it before it starts downloading again. 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. e. exe /c C:/test. Need to copy a file via puppet only if a Windows MSI package is not installed. 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. It is a limitation of the underlying system. . 1 Answer. Improve this answer. Is there a way to tell puppet to only execute command if one of the files does not exist? 0. Puppet Exec resource to apply only when a File changes. exe and specifying a file path in the command line, be sure to use backslashes. See “Case Matching” below for details on how Puppet matches different kinds of cases. Currently, he experiments. ##Development. Puppet provides a built-in exec type that is capable of executing commands. 4. That command will always return 0 (true): it just tests whether the given string is nonempty. Puppet provides a built-in exec type that is capable of executing commands. All groups and messages. Resource default for the exec type A resource default statement set default attribute values for a given resource type. 2. This can be used with bash on Linux, but with the PowerShell provider, it can run PowerShell on Windows and Linux nodes as well. The documentation for Exec's onlyif tag says this: onlyifThe exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. Puppet provides a built-in exec type that is capable of executing commands. To run an exec task, use the task command, specifying the command to be executed. How to set environment variables in Ubuntu OS using Puppet. ##Development. 0. puppet seems to execute the command in a way that means it never runs successfully. Over the years of using puppet I've noticed that people often come up with the same kind of. 0 to 5. This example specifies defaults for the exec resource type attributes path , environment , logoutput , and timeout . If you are using Puppet 3. I have Puppet master 3. 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. The Puppet exec will not run unless the "unless" command exits with status 0. For example, command => 'cmd. e. 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. 0, to 5. 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 Puppet “exec” resource allows users to run commands and scripts on nodes. } Puppet: Conditional exec using unless-option. 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. Puppet Resources are the building blocks that puppet uses to model system configurations. 1. Puppet: exec onlyif value is not equal. Code so far (which is not working) is: Hiera snippet:By default, Puppet agent runs as the Administrator account, which has this privilege. Thanks!. Writing some classes for cassandra, one of them is to align clustering settings using puppet exec etc. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. 163k 8 82 159. 1 run Exec only if another Exec ran. Project. Puppet has two main ways to declare classes: include-like and resource-like. exe invocation: exec { 'test': command => 'C:\Windows\System32\WindowsPowerShell\v1. but the command fails. Modules that are supported by Puppet, Inc. 9]: FAILED! => {"failed": true, "msg": "The conditional check 'rabbitmqctl. puppet agent -td --evaltrace --profile > agent_debug. I think this is due to how the PowerShell module calls PowerShell - it passes -ExecutionPolicy Bypass as part of the powershell. Puppet is an amazingly powerful and flexible tool. Unless you tell your exec not to run for some reason or another, it will always run. For example, to view the free disk space of a host, run: With. Conversations. The --debug flag enables verbose logging. TJL. Like, from scratch. 17 also improves the way typed class parameters are checked. Puppet strange behaviour of execs. They take a control expression and a list of cases and code. Thus:I only want to execute that if the hostname is not what it should be: exec { 'update hostname': command => 'sudo hostname VM01', unless =>. Publish a module; Topics. I can fix this manually. 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. 1. Connect and share knowledge within a single location that is structured and easy to search. running the code resulted in: fatal: [192. Puppet lookup uses a hierarchy of data sources, and a given key might have values in multiple sources. You are missing my points: (1) you need to establish what grep's exit status actually is when Puppet runs it. It logs all diagnostic messages during a Puppet run. puppet and I'm running into some issues. 1. Topics. refreshonly: Only run the command if the resource is refreshed due to a notify or subscribe metaparameter; cwd: Sets the working directory. 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. No find command is run; the test just passes by examination of the argument. exe"", path. 0. Discover. Modules that are supported by Puppet, Inc. The exec resource from Puppet, the automation framework, is a mysterious beast. 0 a new feature "relationship syntax" was introduced. 2. Examples An if statement evaluates the given condition and, if the condition resolves to true, executes the given code. The second one unzips it. 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 => "powershell. In this blog post, we'll make it simple with definitions and examples to explain the basics of platform engineering vs. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platformsExpand. In your case, the Exec is always successfully applied. cmd', provider => windows, subscribe => File ['folder_a'], logoutput => true, refreshonly => true, # Add this line. In the modified question, the resources involved have such a relationship already. The notifying arrow is a tilde and a greater-than sign ( ~> ). 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. 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. On reboot, the directory doesn't exist, strangely enough. How to set Powershell ExecutionPolicy via Puppet exec command with unless property on Windows? 1. Modules that are supported by Puppet, Inc. supported Adds a new exec provider for executing PowerShell commands. However, when I clean my /tmp and apply the manifest again, it fails because the first exec doesn't executed. Like if statements, case statements choose one of several blocks of arbitrary Puppet code to execute. 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. 1. The setuid/setgid/sticky digit is also a. you can check this quickly with the telnet command. The onlyif and unless. Puppet exec command runs in shell, but not via puppet. This page is about the legacy API, which uses the Puppet::Parser::Functions namespace. 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. I am trying to run a Powershell command directly using Puppet exec resource instead of specifying path to the Powershell script. Adds a new exec provider for executing PowerShell commands. This can be used with bash on Linux,. 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. 1. Puppet exec unless doesn't appear to work how I expect. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. Puppet File resource runs despite Exec unless. txt ]; then echo "my_fileexists=yes" else echo "my_filexists=no" fi. gz packages are copied to the remote systems during every puppet run, while these files where removed after installation and software has been. do, line 50) cannot accept an array of options. Without one of these conditions, the exec will run on every run of the puppet file which is generally undesirable. 2 Handling names with spaces. Wow. how do I tell 'puppet apply' that the package is already installed) 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 only change if they need correcting. The way I check this is if the gopher user has the default uid of 13. 1. I'm really confused about this, it seems like puppet can. So then intention and documentation has always been the same since 4. Menu Log In List your. unless => 'bash -c "test -d /home/user/tmp/new_directory"', Should work too. Do you have reason to think that there's something wrong. Long answer. This statement will execute the sql statement drop table application_users on the database named db in the instance named instance. Only supported on Windows Server 2003 and above, and Windows 7 and above. The command of an exec resource, unless the executable requires backslashes, e. 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. 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. 1 Unless issue with Puppet. Puppet Defines Desired State. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. d/ Prevents Puppet from considering. 1. 2 Answers Sorted by: 6 test work for me at /usr/bin, so adding it to path could solve error. Adds a new exec provider for executing PowerShell commands. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. . I am trying to set some powershell inline cmdlets within puppet recipes in order to install other msi packages and powershell scripts. fail when a file exist in puppet. 4. 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. 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. Mar 25, 2015 at 21:56 @Fr3edom21 if this answer is acceptable, please accept it as the answer. Puppet can run binary files (such as exe, com, or bat), and can log the child process output and exit status. Now that Puppet is installed and ready to run, it’s time to create a Puppet configuration. NOTE: This page was generated from the Puppet source code on 2019-09-06 09:16:04 -0700 exec Attributes Providers Description Executes external commands. 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 exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. Adds a new exec provider for executing PowerShell commands. Exec type's onlyif and unless in --noop documented.