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. Puppet noop When Executable does not exist yet. You can use Puppet variables in an EPP template to customize its output. log. Puppet: exec onlyif value is not equal. This page is about the legacy API, which uses the Puppet::Parser::Functions namespace. Plans are sets of tasks that can be combined with other logic. I have a script that really only needs to be run one time on a server, i. You can use not filter to get unless like behavior. 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 unless attribute provides a condition. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. Puppet is about describing state and making sure things only have to run once. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. Follow answered Jan 12, 2015 at 6:48. Improve this answer. ;) – ferventcoder. This allows you to do more complex task operations, such as. The first one downloads ZIP file with binary (unless the binary has already been installed) and saves it to /tmp. This release documents the noop behavior of the onlyif and unless parameters of the exec resource. Since moving to Puppet 5. The onlyif and unless. Puppet: Conditional exec using unless-option. Adds a new exec provider for executing PowerShell commands. 168. 10, to 5. . Puppet File resource runs despite Exec unless. Detecting if windows service is already installed using puppet exec. asked Apr 1, 2022 at 20:47. Resource default for the exec type A resource default statement set default attribute values for a given resource type. Let’s take a look there: ls -la /etc/puppet. Modules. Puppet exec unless doesn't appear to work how I expect. Puppet can execute binaries (exe, com, bat, etc. As far as I know, the basic file type in Puppet only handles discretionary permissions that only allow for one group and one owner. The difference between platform engineering and DevOps is pretty nuanced. 0. 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. Puppet Exec Resource. unless => "powershell. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. 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. 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'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. 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. 2 install on Ubuntu 18. The Puppet “exec” resource allows users to run commands and scripts on nodes. problem, then do check at least these things: 1) that your 'unless' command is exiting with the expected return. 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. Sep 13, 2012 at 15:51. Puppet Labs modules on the Puppet Forge are open projects, and community contributions are essential for keeping them great. From the puppet i get the error:The solution is to invoke bash with the command as an argument, i. But Puppet is quite hard to learn. Puppet Labs modules on the Puppet Forge are open projects, and community contributions are essential for keeping them great. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. Puppet: how to remove a directory and everything in it. } Puppet: Conditional exec using unless-option. The issue isn't that the package doesn't install, but rather that apt automatically starts the. The script remaps several legacy user id's that conflict with local system users. So having Puppet do it automatically will help with that. Basically, it makes it so you can use PowerShell Modules exactly like you use Puppet modules. In Puppet, when using the exec resource, you can specify an "unless" attribute. Hot Network QuestionsPuppet avoids destroying directories unless the force attribute is set to true. You can create relationships between resources or groups of resources using the -> and ~> operators. TJL. Yet when I run puppet agent -td I see that the puppet agent IS executing pkill -SIGQUIT mysqld; sleep 5; systemctl restart mysqld. There's a generalizable form of this dependency that might be helpful in reducing the repetition of the require statement. 26th - 28th Surrey Sparks Stages - Puppet-making workshops Surrey BC. execute update-grub, which would look for avaliable kernels and would add related configs to the menu. This runs the first-exec, and unless /var/exists it runs the second-exec. No find command is run; the test just passes by examination of the argument. 2. bundle exec rake dir_server:run [config/dea. NORTHWEST LIBRARY FEDERATION. To run tasks with Puppet Bolt, Bolt 1. Puppet provides a built-in exec type that is capable of executing commands. The CentOS/Puppet installation process should already have created a directory called /etc/puppet (If it hasn’t, create it with mkdir /etc/puppet ). exec { "Change status and start-up of Win service": command => 'C:WindowsSystem32WindowsPowerShellv1. 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. We will focus on the language terminology, syntax and. e. This statement will execute the sql statement drop table application_users on the database named db in the instance named instance. exe /c C:/test. 0. With Bolt on the command line, run bolt task run exec command=<COMMAND>. 5. Puppet for Windows and Powershell Recipes. They take a Boolean condition and an arbitrary block of Puppet code, evaluate the condition, and if it is false, execute. This example includes an elsif condition, and gives a warning if you try to include the ntp class on a virtual machine or on machine running macOS: 2 Answers Sorted by: 6 test work for me at /usr/bin, so adding it to path could solve error. This will cause puppet to. (2) it is unclear from your description whether the Exec's command is actually run (vs. If you declare users as virtual resources , you can then use 'realize' or the collection syntax ( User <|. If exec command was successful and facter returns true then only it should execute, but following manifest executing individually without checking whether that exec. Like if statements, case statements choose one of several blocks of arbitrary Puppet code to execute. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. g. When something isn't builtin to file, I generally just to turn to an puppet exec declaration. #####unless Runs the exec, unless the command returns 0. 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. Publish a module; Topics. 1 on CentOS, and Puppet clients 3. ##Development. To use commands with pipe |, you must use the shell builtins work around with cmd. 0. Case statements will execute a maximum of one code block. Note that the example uses the unless parameter to make the resource idempotent. Sometimes I want to run a command one time on all servers, e. , for example, the Exec resource being. Let's assume that you can write a find command to list all of your files that you want deleted. DevOps. However, I only want to apply the 'netsh advfirewall reset' exec if firewall rules other than what I have specified in Hiera exist. 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. However, when I clean my /tmp and apply the manifest again, it fails because the first exec doesn't executed. exe /C tzutil. But this configuration does not detect when any of the configuration files have been modified outside of puppet. wow! My recommendation is: throw it away and start over. You can also set variables within the manifest, which can change the. exec { ‘SETHELLO’: command => ‘Add-Content -Path c: est. Running Powershell in Puppet. Modules that are supported by Puppet, Inc. How do I use puppet to run the command, get the file names and then loop the 3 file names and set permission accordingly? puppet; puppet-enterprise. Modules that are supported by Puppet, Inc. The file will be generated in the directory you're currently in, unless you specify otherwise. It sounds like this is exactly what you need: exec { 'test_cmd': path => $::path, command => 'cmd. Q&A for work. Usage. Puppet provides a built-in exec type that is capable of executing commands. 1. Modules that are supported by Puppet, Inc. Modules that are supported by Puppet, Inc. Puppet avoids destroying directories unless the force attribute is set to true. {"payload":{"allShortcutsEnabled":false,"fileTree":{"manifests":{"items":[{"name":"fcontext","path":"manifests/fcontext","contentType":"directory"},{"name":"boolean. Sequence of Execs in Puppet. So, in order to avoid this I am adding the refreshonly parameter as follows. Modules. exe and specifying a file path in the command line, be sure to use backslashes. Adds a new exec provider for executing PowerShell commands. Shell built-ins. 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. This tells Puppet to run aspnet_regiis. If executed as root, the lxc-info checks for the name among the root containers. Puppet exec unless doesn't appear to work how I expect. Currently, he experiments. puppet exec returned 1 instead of [0] 1. The exec resource from Puppet, the automation framework, is a mysterious beast. Is there a way to tell puppet to only execute command if one of the files does not exist? 0. 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. Writing some classes for cassandra, one of them is to align clustering settings using puppet exec etc. We need to set setfacl -R -m u:foreman:rwx /etc/dhcp /var/lib/dhcpd via our puppet installer instead of modifying standard UNIX owner and permissions. "Unless" statements work like reversed if statements. Puppet: Conditional exec using unless-option. Valid options: String. 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. Explanation Sometimes a simple creates isn't enough to determine if an exec should run or not. The value that represents the data type of these values is Type. you can check this quickly with the telnet command. 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. 0 on RHEL 6 and am doing package management via the exec resource. This seems to work just fine. g. The one thing the exec doesn't need to do is put the service in a started state. For detailed information about built-in types, see the Resource type reference. execs will always run. Expand. Puppet modules to install and manage Oracle databases, Oracle Weblogic and Fusion Middleware, IBM MQ, IBM Integration Bus and other enterprise-grade software. 1. Default: Undefined. Adds a new exec provider for executing PowerShell commands. 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. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. Puppet Development Kit. 2. The command should only be run as a refresh mechanism for when a dependent object is changed. In the Puppet language, nearly everything is an expression, including. Sort by Year. cmd. powershell conditional IsNullorEmpty not working as planned. By setting the hiera value selinux::mode: 'enforcing', that will ensure SELinux is enabled (it will default to targeted mode on CentOS). You can read more about it here. Among them, notice (), info (), and debug () seem the. 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. command => '/path/to/script. This style guide promotes consistent formatting in the Puppet language, giving you a common pattern, design, and style to follow when developing modules. So it will likely work better if the command you are trying to pass will actually execute outside of Puppet. if statement, using expressions and facts. Another way to control an exec resource is to add a refreshonly => true attribute. 2. If Puppet were running without privilege then sudo would not help, because Puppet would not provide a. service. Puppet have a defined resource fail if a variable is set to undef. telnet < puppetmaster ip address dns name> 8140. Adds a new exec provider for executing PowerShell commands. Adds a new exec provider for executing PowerShell commands. 1. Puppet check if a nagios resource exists. I am using vagrant with puppet to set up virtual machines for development environments. STILL REALLY WEIRD, but ok. 2 but are only using architecture-appropriate. 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. 1. Validate your manifest with puppet parser validate. Puppet exec - fails to execute command as user. All modules; Supported modules; Modules with tasks; Contribute. Puppet runs executed on multiple external systems. 4. Puppet exec command runs in shell, but not via puppet. Puppet advanced default params. exec. The whole idea of adding this step is to check and execute the command- makeswap only if the swap is not in place. Puppet Exec resource to apply only when a File changes. Puppet Inc modules on the Puppet Forge are open projects, and community contributions are essential for keeping them great. Puppet: 'creates' does not create. e. As for a "more intelligent way of excluding", I think you need to couch the question differently. 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. g. h ), and the sub-processes it spawns. Unless you are sharing with the world, you don’t need most. Juan. 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 issue is, while first two are correctly executed under "user", third command is executed in. Puppet FuturePuppet is a configuration management tool which helps you to build the infrastructure and maintain its state. If the query specified in the unless parameter returns one or. You can use the unless parameter to only execute the statement in certain states. Alternatively, if that is valid, call the prior script through the latter's onlyif or unless parameter, instead of as its own exec resource. unless => 'bash -c "test -d /home/user/tmp/new_directory"', Should work too. Which it looks like it doesn't. I am struggling with how to pass a puppet variable through to powershell. Puppet strange behaviour of execs. How to ensure Service is restarted before commands from Exec resource execute? 0. All modules; Supported modules; Modules with tasks; Contribute. ps1 script. Create exec resources with metadata to ensure it is idempotent. First I would like to use booleans as defined in Hiera [ auto lookup function ]. Puppet's if statement allows you to change the manifest behavior based on the value of a variable or an expression. So then intention and documentation has always been the same since 4. 0. Since I don't have Puppet 4. This means that if a file is currently a directory,. How to set Powershell ExecutionPolicy via Puppet exec command with unless property on Windows?. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. But if you want specifically to use the unless or onlyif property of an Exec resource to control whether to run that Exec's command, then you have to understand that those properties specify operating system commands to run to perform the evaluation. Puppet attempts to execute directories from /etc/init. Note that Puppet was not really designed to solve automation problems like this one, although using Exec it is possible to do most things anyway. 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. Puppet File resource runs despite Exec unless. Puppet strange behaviour of execs. 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. That's what the ticket is about. Running Powershell command directly using Puppet exec resource. The cis_security_hardening module has a parameter enforce for each rule. Sorted by: 18. This differs from some other languages where looping constructs are special keywords. Search. ” There is also a set of values whose data type is “data type. 0. – tom. 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. user. An example in Puppet 2. Puppet running exec. check that the node can communicate with the puppetmaster on the relevant port. ##Limitations. In this case specifying a directory is done by setting ensure to (unsurprisingly) directory. If you remove the parameter it will also fail if the regular execution policy is set to Restricted. Classes generally configure large or medium-sized chunks of functionality, such as all of. The command is only executed if the Guest account does not exist, as indicated by unless returning 0. how to ensure puppet exec run on every event triggered? 0. ps1', } Puppet uses the same. } @choover Unfortunately that won't work. 0. 1', } Puppet supports if and unless statements, case statements, and selectors. Publish a module; Topics. notify is set on the user, and refreshonly is set on the exec. It is not possible to use bash here. The Puppet exec will not run unless the "unless" command exits with status 0. Classes are named blocks of Puppet code that are stored in modules and applied later when they are invoked by name. However, this manifest will exec the command every time the puppet client checks in with the puppet master. The --debug flag enables verbose logging. 1 Answer. 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. However the in function seems to work with if only, when I use unless I get the following e. They take a Boolean condition and an arbitrary block of Puppet code, evaluate the condition, and if it is false,. Puppet provides a built-in exec type that is capable of executing commands. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. Execute create_resource after everything has finished or after exec has finished. I read the message you ask about as saying that the Exec was not refreshed, so the command will not be run. The documentation referenced is about something different: the 'unless' statement. If /etc/init. This module adds a powershell provider to the exec type, which enables exec parameters, listed below. in. 4. 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. I am trying to set some powershell inline cmdlets within puppet recipes in order to install other msi packages and powershell scripts. 1 Answer. onlyif and unless in --noop documented. '". . I read the message you ask about as saying that the Exec was not refreshed, so the command will not be run. My question is: I want to check if a file exists in the /tmp folder, and delete it before it starts downloading again. Modules that are supported by Puppet, Inc. 1. 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. Teams. Q&A for work. supported Adds a new exec provider for executing PowerShell commands. Expressions are statements that resolve to values. –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. 5. TJL. Creating a directory is another task that is handled by the powerful and flexible file type. , unless you really intend to resolve that path against the working directory. 3. The ensure (see ensurable. exec command unless directory exists in puppet. Machines receiving task requests must have SSH or. 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. November 8, 2023. You could use for instance (see reference doc)An exec will always run unless it has something to limit it. 0. The whole idea of adding this step is to check and execute the command- makeswap only if the swap is not in place. See provider/exec. 4. I will show how these work in the example below. However currently I am struggling to figure out how to do this. 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. That will run every time puppet runs. This tells Puppet to run aspnet_regiis. . com I am trying to create Puppet exec that would only execute if certain Windows registry value does not exist. txt –Value “Hello”’, logoutput => true, provider => powershell, } } The three parameters I use in this manifest are command, logoutput and provider. It am trying to add 'replica' user to my postgres server though puppet so i can use it in my master-salve cluster. 2 Handling names with spaces. This means you. Platform Engineering. In conjunction with Facter, which makes details of a machine available as variables. d/x exists then /bin/true is run (successfully). Let's also assume that you're puppet module knows when do delete these files. 3. 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. 1. 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. 2. You can set different levels of permissions for different users or groups, allowing them to read, change, or even delete. When evaluated, these tagged expressions can modify text in the template. This is a textbook case where you should write the test first, and the code after. refreshonly => true on an Exec resource requests that its command be run only in the event that the resource is refreshed. And elsewhere you can add to the parameters for. If you do need to do it via say the exec resource, then @16c7x's statement is correct. Puppet: Exec from class when Exec from another class is successful. The exec has refreshonly => true , which only allows Puppet to run the command when some other resource is changed. e. Windows shared folder is a folder that has been configured to be accessed by multiple users over a network. 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. Ensure directory tree exists. 1. In your case, it sounds like you want the exec to run only when your file changes. 4. Conditional statement examples. Hot Network Questions tcpdump -vvv is not verbose enough. Modules that are supported by Puppet, Inc. e. 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. Yet when I run puppet agent -td I see that the puppet agent IS executing pkill -SIGQUIT mysqld; sleep 5; systemctl restart mysqld. The risk of course is that Puppet runs more than once in that hour, e. So the "cwd" now impacts the path of the "onlyif". Other built-in types. 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. Something like this should work: - name: Get rabbitmq vhosts. The Puppet “exec” resource allows users to run commands and scripts on nodes. Iteration features are implemented as functions that accept blocks of code ( lambdas ). 1. exe /c echo "hello"'. Detecting if windows service is already installed using puppet exec. config/autostart ]' is not qualified and no path was specified. Unless you are sharing with the world, you don’t need most. This can be used with bash on Linux, but with the PowerShell provider , it can run PowerShell on Windows and Linux nodes as well.