This can be used with bash on Linux,. 0. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. or use the 'resolvconf --disable-updates' exec resource's 'unless' parameter to test for a running unbound daemon prior to installing the package. If it always returns a false (non-zero) exit code then the two. In Puppet, when using the exec resource, you can specify an "unless" attribute. exe startup arguments, so local scope will always return Bypass, thus causing it to fail on the unless every time. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple. puppet-modules; puppet-motd; puppet-ntp; puppet-perl; puppet-php; puppet-ssh; puppet-timezone; python-cloudlb; rackspace-monitoring-agent-plugins;. Include-like behaviorAll groups and messages. Secondly I would like to use booleans from a bash script running diff <() <(). 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. With Bolt on the command line, run bolt task run exec command=<COMMAND>. I'm not sure what the problem is, and I need more information. Puppet running exec. How to set Powershell ExecutionPolicy via Puppet exec command with unless property on Windows? 1. Puppet: 'creates' does not create a new file. ) I am running Puppet v3. puppet agent -td --evaltrace --profile > agent_debug. Q&A for work. 0. The way I check this is if the gopher user has the default uid of 13. When I apply the manifest for the first time, it works correctly. Execute installers from shared (samba) folder instead of copy it first to agent system does not solve the issue. Explanation. He just built and performed the lead puppet for a Toronto television pilot. txt ]; then echo "my_fileexists=yes" else echo "my_filexists=no" fi. Similarly, we can use unless, unless execute the command all the time, except the command under unless exits successfully. Case statements will execute a maximum of one code block. Let's assume that you can write a find command to list all of your files that you want deleted. As a result, the chown in the main command always is run, and that is reported. exe only when the aspnet_banking_app is created or changed. I am trying to run a Powershell command directly using Puppet exec resource instead of specifying path to the Powershell script. 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. Learn more about TeamsPuppet provides a built-in exec type that is capable of executing commands. 168. Detecting if windows service is already installed using puppet 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. Hot Network Questions tcpdump -vvv is not verbose enough In which situations or societies do people not take turns to. 1. user. I have a script that really only needs to be run one time on a server, i. puppet and I'm running into some issues. Background: I am upgrading our lxc puppet module to support the emerging unprivileged LXC technology. By setting the hiera value selinux::mode: 'enforcing', that will ensure SELinux is enabled (it will default to targeted mode on CentOS). 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. Try again and this time show the failure. The problem is Exec['apt-update'] is always performed (i. Modules that are supported by Puppet, Inc. if statement, using expressions and facts. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. Re-writing scripts into manifests is time-consModules that are compatible with Puppet Development Kit (PDK) validation and testing tools. onlyif and unless in --noop documented. Puppet attempts to execute directories from /etc/init. The risk of course is that Puppet runs more than once in that hour, e. Puppet exec unless doesn't appear to work how I expect. The problem is the line when: rabbitmqctl list_vhosts | grep sensu. 4 Answers Sorted by: 24 Have you tried this? onlyif => "test ! -f /usr/local/bin/papply" Not sure if Puppet can use the '!' character Perhaps a better. Puppet: 'creates' does not create. exe -NoProfile -NoLogo . 0. 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. silent way to import registry file via puppet module. I will show how these work in the example below. They take a Boolean condition and an arbitrary block of Puppet code, evaluate the condition, and if it is false,. 1. exe and specifying a file path in the command line, be sure to use backslashes. Puppet - Check if package is installed, but do not require it. Running Powershell command directly using Puppet exec resource. My understanding is that if the second exec fails, the defined resource type should NOT be refreshed. So it will likely work better if the command you are trying to pass will actually execute outside of Puppet. lst contents. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. Based on that documentation, a when statement was added: - name: add vhost sensu command: rabbitmqctl add_vhost /sensu when: rabbitmqctl list_vhosts | grep sensu. problem, then do check at least these things: 1) that your 'unless' command is exiting with the expected return. ), and can log the child process output and exit status. Puppet: Exec from class when Exec from another class is successful. The exec resources will only refresh themselves when they receive a notification. Default: Undefined. Adds a new exec provider for executing PowerShell commands. 163k 8 82 159. This module is particularly helpful if you need to run PowerShell commands but don't know how PowerShell is executed, because you can run PowerShell commands. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. exec command unless directory exists in puppet. 1. It looks like you're having Puppet execute a shell script to perform the installation. A statement to determine if the wls_exec must execute. 6. This is a textbook case where you should write the test first, and the code after. By using find to execute whatever commands you mean by "manage files" you should be able to accomplish your goal. ;) – ferventcoder. The 'unless' and/or 'ifonly' commands must run every time, though. To do this in Puppet you would have to use an Exec and invoke setfacl (if you were on Linux, for example) directly. But this configuration does not detect when any of the configuration files have been modified outside of puppet. A quick reference of syntax examples for the Puppet language. Learn more about TeamsUnless puppet supports escaping somehow. Apart from all that, it is good practice with Puppet to actually deploy wrapper scripts that your exec resources. Load 7 more related questions Show fewer. Sep 13, 2012 at 15:51. Puppet Exec resource to apply only when a File changes. e. Adds a new exec provider for executing PowerShell 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 Puppet “exec” resource allows users to run commands and scripts on nodes. The logoutput parameter just logs the output to the. Your solution sounds like a work-around and it is therefore totally ok to implement a work-around using Exec. 0 on RHEL 6 and am doing package management via the exec resource. 2. But it is certainly worth verifying the type and value of your variable. 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. Try again and this time show the failure. 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. 0. Chaining arrows. Depending on your client's platform you can use ACLs to grant varied permissions to more than one group or user. Puppet Exec Resource. 10, to 5. The Puppet exec resource has OnlyIf and Unless attributes which can be used to limit when the command is invoked; e. 1. . (2) it is unclear from your description whether the Exec's command is actually run (vs. 1 run Exec only if another Exec ran. This means you. 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. This says "get-chocolatey" should happen before any package resource with a Chocolatey provider. In the Puppet language, nearly everything is an expression, including. This means that if a file is currently a directory,. In your case, it sounds like you want the exec to run only when your file changes. refreshonly => true on an Exec resource requests that its command be run only in the event that the resource is refreshed. 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. There are times when you have a complex script that you just need to get into configuration management. Glossary. You can use Puppet variables in an EPP template to customize its output. If. [Unit] Description=My Webapp Java REST Service [Service] User=ubuntu # The configuration file application. Puppet check if a nagios resource exists. I am creating a group named jboss in puppet and then using exec to run a sed command to make some changes in /etc/group file afterwards. Default: Undefined. sh', onlyif => systemctl service_trendmicro, # which system should return 0 or 1 for pass. Without one of these conditions, the exec will run on every run of the puppet file which is generally undesirable. So the "cwd" now impacts the path of the "onlyif". To use the BoltSpec library functions, include them in either the spec_helper. 2. As best I can tell by reading the source code the "holdable" feature is fundamentally flawed. The CentOS/Puppet installation process should already have created a directory called /etc/puppet (If it hasn’t, create it with mkdir /etc/puppet ). 0. unless: A shell command that is run as a test to determine if the command should not run. The command specified causes the exec to be triggered unless the command specified returns a success (zero) exit status. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. 4. The Puppet exec will not run unless the "unless" command exits with status 0. d/pgsql. The commands in an Exec resource either have to be fully qualified (i. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. This means a resource with noop => false will be changed if necessary, even when. Teams. 163k 8 82 159. Following code updating file /etc/sysctl. If you are using Puppet 3. 00 GiB'and $::facts['processorcount'] >= 2 and Exec['port_connectivity'] condition was successful. supported Adds a new exec provider for executing PowerShell commands. 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. 0 Output on one command cause next one to fails. Do you have reason to think that there's something wrong. 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. exe /c echo "hello"'. 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. Connect and share knowledge within a single location that is structured and easy to search. I don't think there is an exception handling in a programmatic way you would like in Puppet. 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. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. There's a generalizable form of this dependency that might be helpful in reducing the repetition of the require statement. You should never use this API unless you absolutely must support Puppet 3. Like if statements, case statements choose one of several blocks of arbitrary Puppet code to execute. All modules; Supported modules; Modules with tasks; Contribute. exe /C: exec { 'configure_timezone': command => "tzutil. Code so far (which is not working) is: Hiera snippet:By default, Puppet agent runs as the Administrator account, which has this privilege. Expressions are statements that resolve to values. Tasks use Scripts to execute them on remote machines. } @choover Unfortunately that won't work. 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/. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platformsExpand. The command should only be run as a refresh mechanism for when a dependent object is changed. txt ]; then echo "my_fileexists=yes" else echo "my_filexists=no" fi. Try adding -Scope LocalMachine to your unless statement. I would like to simply set a few environment variables in the . 1. you have no choice (to my knownledge) currently than to use the exec resource with creates + onlyif or unless directives. 2. If this parameter is set, then this exec will only run if the command has an exit code. However currently I am struggling to figure out how to do this. There are three main ways for an exec to be idempotent:Conversations. e. how to ensure puppet exec run on every event triggered? 0. The command parameter is the PowerShell code you want to run on your node. Puppet Exec tag onlyif troubles. Using onlyif allows you to use the return value of one or more commands as your. 0 or later must be installed on the machine from which you are running task commands. Modules. Problem with "if" is that it expects the file on the puppet server not on the client. 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. Basically, it makes it so you can use PowerShell Modules exactly like you use Puppet modules. Puppet can execute binaries (exe, com, bat, etc. Discover. The exec resource from Puppet, the automation framework, is a mysterious beast. Follow answered Jan 12, 2015 at 6:48. That's what the ticket is about. A second option would be to use the schedule metaparameter: schedule { 'everyday': period => daily, range => '1:00 - 1:59', } exec { 'do your thing': schedule => 'everyday', } That assumes that Puppet really will run only once per hour. They take a control expression and a list of cases and code. This allows you to do more complex task operations, such as. gz packages are copied to the remote systems during every puppet run, while these files where removed after installation and software has been. Puppet Labs modules on the Puppet Forge are open projects, and community contributions are essential for keeping them great. Puppet exec unless doesn't appear to work how I expect. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. Installing servers with Puppet is a real plus compared to shell (yeah captain Obvious!). '". Currently, he experiments. With PE on the command line, run puppet task run exec command=<COMMAND>. Possibly, then, this is the test you want to perform:This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. Which means, that I have to check all facts and input to puppet outside of puppet, or my custom facts have to be sanitised or pre-escaped before puppet sees them, which is a shame! :-( I'm surprised I can't find an equivalent of Perl's quotemeta or Ruby's Shellwords. Puppet strange behaviour of execs. 1. The difference between platform engineering and DevOps is pretty nuanced. Modules that are supported by Puppet, Inc. See provider/exec. exec. 1. Learn more See the exec documentation for the command, unless, and onlyif. Project. This example specifies defaults for the exec resource type attributes path , environment , logoutput , and timeout . A puppet show is a great way to entertain the kiddos at your next event! Find the best puppet shows in Victoria, BC and request free quotes today. Modules that are supported by Puppet, Inc. Puppet exec unless doesn't appear to work how I expect. . However, when I clean my /tmp and apply the manifest again, it fails because the first exec doesn't executed. Basically, it makes it so you can use PowerShell Modules exactly like you use Puppet modules. Exec type's onlyif and unless in --noop documented. ##Limitations. It is a limitation of the underlying system. This says "get-chocolatey" should happen before any package resource with a Chocolatey provider. exe /c java -jar foo. All groups and messages. Or even better, split the shells parts into separate exec resources with dependencies and unless parameters. Valid options: String. From the puppet i get the error:The solution is to invoke bash with the command as an argument, i. Backslashes MUST be used in:. Yes, you'd put a script into your modules path under a facts. Puppet provides a built-in exec type that is capable of executing commands. Right now I have: exec { 'first command': command => "some command" path => '/usr/bin', notify => Exec ["second command"], } exec {. 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. Sends an arbitrary message, specified as a string, to the agent run-time log. exec command unless directory exists in puppet. 0. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. You are missing my points: (1) you need to establish what grep's exit status actually is when Puppet runs it. Since Puppet 2. fail when a file exist in puppet. If Puppet is managing the user that an exec should run as. 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. 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. In this blog post, we'll make it simple with definitions and examples to explain the basics of platform engineering vs. Manage local groups . Unless you tell your exec not to run for some reason or another, it will always run. Default: Undefined. Your fact could be something like this: #!/bin/bash if [ -f /my/file. 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/. You can use expressions almost anywhere a value is required. Share. Another way to control an exec resource is to add a refreshonly => true attribute. With PE on the command line, run puppet task run exec command=<COMMAND>. 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. Puppet Exec with no command attribute. 1. 0 to 5. Puppet: Conditional exec using unless-option. 0 how to ensure puppet exec run on every event triggered? 0 Puppet: How to execute a Exec resource if another Exec resource failed. If the agent can perform the requested action at all, then it does not need sudo in order to do it, as it would be running with privilege in the first place. To run tasks with Puppet Bolt, Bolt 1. Puppet strange behaviour of execs. This will cause puppet to. 7. Modules that are compatible with Puppet Development Kit (PDK) validation and testing tools. 6. e. 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. In your case, the Exec is always successfully applied. That command will always return 0 (true): it just tests whether the given string is nonempty. Puppet is an amazingly powerful and flexible tool. The baseline measures how long Puppet takes to just start up, so it’s not even executing powershell then. Resource default for the exec type A resource default statement set default attribute values for a given resource type. 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. In a particular project, I have a lot of Puppet exec resources with pipes. Puppet Resources are the building blocks that puppet uses to model system configurations. 1. password is not getting changed to the default password and also chage. 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. How do I make a puppet class dependent on all of the resources it defines? 1. 1. Only supported on Windows Server 2003 and above, and Windows 7 and above. password is not getting changed to the default password and also. require means that the the resource passed to require must be applied before the calling resource. Menu Log In List your. unless => 'bash -c "test -d /home/user/tmp/new_directory"', Should work too. 3. 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. Modules that are supported by Puppet, Inc. 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. String comparison using in doesn't work with unless. I think this is due to how the PowerShell module calls PowerShell - it passes -ExecutionPolicy Bypass as part of the powershell. 1. I am trying to create Puppet exec that would only execute if certain Windows registry value does not exist. Back to overview of wls_exec. sh', } Keep in mind that puppet is for enforcing the state defined in the manifests rather than running chains of. It sounds like this is exactly what you need: exec { 'test_cmd': path => $::path, command => 'cmd. Unless you are sharing with the world, you don’t need most. refresh: Command to execute if the resource is refreshed due to a notify or subscribe. Puppet provides a built-in exec type that is capable of executing commands. } Puppet: Conditional exec using unless-option. Is there a way to tell puppet to only execute command if one of the files does not exist? 0. 1 on many Windows machines. However, this manifest will exec the command every time the puppet client checks in with the puppet master. Rename("new-guest")', unless => 'if (Get-WmiObject. The problem is that the exec command is running before the group command. Puppet Exec resource to apply only when a File changes. You can create relationships between resources or groups of resources using the -> and ~> operators. How to clean up files created by Exec resources? 0. This page is about the legacy API, which uses the Puppet::Parser::Functions namespace. config/autostart ]' is not qualified and no path was specified. Expressions can be compounded with other expressions, and the entire combined expression resolves to a single value. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. 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 module is particularly helpful if you need to run PowerShell commands but don't know the details about how PowerShell is. supported Adds a new exec provider for executing PowerShell commands. Contribute to tarunmunjal/puppetlabs-powershell development by creating an account on GitHub. You can also set variables within the manifest, which can change the. 0. supported Adds a new exec provider for executing PowerShell commands. {"payload":{"allShortcutsEnabled":false,"fileTree":{"lib/puppet/type":{"items":[{"name":"file","path":"lib/puppet/type/file","contentType":"directory"},{"name. There's a generalizable form of this dependency that might be helpful in reducing the repetition of the require statement. Adds a new exec provider for executing PowerShell commands. Right now, I have the bit below for certain nodes:open-vm-tools. 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. November 8, 2023. supported Adds a new exec provider for executing PowerShell commands. Getting started. 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'. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. Long answer The scheme you have in mind is not compatible with Puppet's master/agent paradigm. 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. Modules that are supported by Puppet, Inc. And, since that file will no longer exist after the first reboot, subsequent puppet runs would NOT deploy these 2 scripts unless the host was rebuilt. ps1 script. 1. In conjunction with Facter, which makes details of a machine available as variables, this lets you write Puppet code that flexibly accommodates different platforms, operating systems. 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. Usage. 🔩 Tip: Unless your module also includes tests for manifest code, add the BoltSpec helpers and configure Puppet and Bolt in spec_helper. Puppet File resource runs despite Exec unless. g. I am struggling with how to pass a puppet variable through to powershell. Sort by Year. In this case specifying a directory is done by setting ensure to (unsurprisingly) directory. Machines receiving task requests must have SSH or. # Setting Powershell Execution Policy to unrestricted exec { 'Set PowerShell execution policy unrestricted': command => 'Set-ExecutionPolicy Unrestricted', unless. bundle exec rake dir_server:run [config/dea. No find command is run; the test just passes by examination of the argument. I have a script that really only needs to be run one time on a server, i. Setting the umask only has effect within the process that does it (see umask in sys/stat. 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. With respect to the update to the question, the key requirement for the Service to be refreshed before the Exec is applied is that there be an ordering relationship between the two, whether direct or transitive. The issue isn't that the package doesn't install, but rather that apt automatically starts the.