There are three main ways for an exec to be idempotent:Conversations. exe /c java -jar foo. To run an exec task, use the task command, specifying the command to be executed. 0, to 5. Sends an arbitrary message, specified as a string, to the agent run-time log. Modules. The second one unzips it. Code so far (which is not working) is: Hiera snippet:By default, Puppet agent runs as the Administrator account, which has this privilege. Puppet does not execute statements in linear order (as is the code written) unless you define some constraints. Modules that are supported by Puppet, Inc. All modules; Supported modules; Modules with tasks; Contribute. The onlyif and unless commands of an exec are used in the process of determining whether the exec is already in sync, therefore they must be run during a noop Puppet run. exe /c C:/test. They take a Boolean condition and an arbitrary block of Puppet code, evaluate the condition, and if it is false,. Unless you are sharing with the world, you don’t need most. Puppet FuturePuppet is a configuration management tool which helps you to build the infrastructure and maintain its state. 2. "Unless" statements work like reversed if statements. Puppet File resource runs despite Exec unless. 0powershell. Puppet: Conditional exec using unless-option. puppet agent -td --evaltrace --profile > agent_debug. Their exit codes convey whether to proceed with running the main command. 4. In this blog post, we'll make it simple with definitions and examples to explain the basics of platform engineering vs. Your fact could be something like this: #!/bin/bash if [ -f /my/file. It would be better to explicitly "exit 0" whenever you do not "exit 1". Note that the example uses the unless parameter to make the resource idempotent. 5. (2) it is unclear from your description whether the Exec's command is actually run (vs. In many cases, such commands get only one chance to fire. Larger exit codes on Windows can behave inconsistently across different tools. 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. my theme is puppet should only execute if this if $::facts['memorysize'] >= '4. Manage local groups . 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. 4. Alternaitve 2: Use Augeas: seems overkill for a simple search & replace. 0. That is, unless you can use purging with them. 2. Thanks!. The script remaps several legacy user id's that conflict with local system users. You can use the unless parameter to only execute the statement in certain states. Puppet strange behaviour of execs. How to set Powershell ExecutionPolicy via Puppet exec command with unless property on Windows? 1. This tells Puppet to run aspnet_regiis. The difference between platform engineering and DevOps is pretty nuanced. exe -ExecutionPolicy ByPass -command "here any command on powershell ""} On Thursday, October 9, 2014 4:22:14 PM UTC-3, Paul Ponzeka. All modules; Supported modules; Modules with tasks; Contribute. exec { ‘SETHELLO’: command => ‘Add-Content -Path c: est. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. Modules that are supported by Puppet, Inc. This means that if a file is currently a directory,. exec. 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. Project. 3. So the "cwd" now impacts the path of the "onlyif". <%= EXPRESSION %> — Inserts the value of a single expression. Running Powershell command directly using Puppet exec resource. properties. exec command unless directory exists in puppet. 3 puppet exec returned 1 instead of [0] 0 Puppet strange behaviour of execs. in. Note: PowerShell variables (such as $_) must be escaped in Puppet manifests either using backslashes or single quotes. Puppet provides a built-in exec type that is capable of executing commands. Resource default for the exec type A resource default statement set default attribute values for a given resource type. As best I can tell by reading the source code the "holdable" feature is fundamentally flawed. In Puppet, when using the exec resource, you can specify an "unless" attribute. Which it looks like it doesn't. 0 on RHEL 6 and am doing package management via the exec resource. You may need to reboot the system after enabling if SELinux was. If /etc/init. Here is the service file springboot. Something like this should work: - name: Get rabbitmq vhosts. exe invocation: exec { 'test': command => 'C:\Windows\System32\WindowsPowerShell\v1. You could use for instance (see reference doc)An exec will always run unless it has something to limit it. sh', } Keep in mind that puppet is for enforcing the state defined in the manifests rather than running chains of. If the query specified in the unless parameter returns one or more records, the main statement is skipped. {"payload":{"allShortcutsEnabled":false,"fileTree":{"lib/puppet/type":{"items":[{"name":"file","path":"lib/puppet/type/file","contentType":"directory"},{"name. Based on that documentation, a when statement was added: - name: add vhost sensu command: rabbitmqctl add_vhost /sensu when: rabbitmqctl list_vhosts | grep sensu. 1. Running Powershell command directly using Puppet exec resource. November 8, 2023. This release documents the noop behavior of the onlyif and unless parameters of the exec resource. You can set different levels of permissions for different users or groups, allowing them to read, change, or even delete. If Puppet is managing the user that an exec should run as. I am new to Puppet, and I am trying to install a file if a package is installed. So if you put an exec without conditions, it will execute the command on every run. Follow answered Jan 12, 2015 at 6:48. You can use not filter to get unless like behavior. So in. The command specified causes the exec to be triggered unless the command specified returns a success (zero) exit status. Classes generally configure large or medium-sized chunks of functionality, such as all of. refresh: Command to execute if the resource is refreshed due to a notify or subscribe. The onlyif parameter is defined as. . 0. 2. String comparison using in doesn't work with unless. Glossary. 0 a new feature "relationship syntax" was introduced. Puppet does not know about the files which are been modified by the shell script. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. exec { 'Make sure frob is installed': command => 'apt-get install -y frob', unless => 'frob --version', } Ansible's command module has a "creates" option that looks for a file, but I don't. '". First, change the require arrow to a notify arrow, from -> to ~>. Modules that are supported by Puppet, Inc. All groups and messages. TJL. 20. See the Puppet Type Reference for the exec resource and look for unless and onlyif. Puppet exec unless doesn't appear to work how I expect. I want to check if the file exists in the client. Your best bet is to run the action as a script and set up the PATH inside the actual script. Puppet provides a built-in exec type that is capable of executing commands. "Unless" statements work like reversed if statements. Validate your manifest with puppet parser validate. 0. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. In this case specifying a directory is done by setting ensure to (unsurprisingly) directory. This statement will execute the sql statement drop table application_users on the database named db in the instance named instance. On Windows, most exit codes are integers between 0 and 2147483647. 1. supported. 0. Note also that Exec has other parameters that can lead to instances being applied successfully without their commands being run. Unless you tell your exec not to run for some reason or another, it will always run. You can use expressions almost anywhere a value is required. The file will be generated in the directory you're currently in, unless you specify otherwise. 0. 2 Handling names with spaces. Puppet Exec with no command attribute. Basically, it makes it so you can use PowerShell Modules exactly like you use Puppet modules. The code that creates the container is executed unless the following test if the container exists succeeds: lxc-info -n ${lxcname} >/dev/null. require means that the the resource passed to require must be applied before the calling resource. or use the 'resolvconf --disable-updates' exec resource's 'unless' parameter to test for a running unbound daemon prior to installing the package. Puppet - How to purge a directory. 1. Unless you are sharing with the world, you don’t need most. Problem with "if" is that it expects the file on the puppet server not on the client. 1. This can be used with bash on Linux,. Learn more about TeamsPuppet provides a built-in exec type that is capable of executing commands. 1. Assignment operator. command => '/path/to/script. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. Publish a module; Topics. Our choice at the beginning of the project was to not start with it, for these reasons : It was important for the team to learn shell first, even if the lifetime of the scripts had to be short. This can be used with bash on Linux,. The exec has refreshonly => true , which only allows Puppet to run the command when some other resource is changed. All groups and messages. Find can exclude Named Pipes:-type c File is of type c: b block (buffered) special c character (unbuffered) special d directory p named. 1. For information on all core types, including supported types in the puppet-agent package, see. This means that if a file is currently a directory, setting ensure to anything but directory or present will cause Puppet to skip managing the resource and log either a notice or. 4. 0 Puppet strange behaviour of execs. The risk of course is that Puppet runs more than once in that hour, e. Executables, zips and or tar. Resource default for the exec type A resource default statement set default attribute values for a given resource type. They take a control expression and a list of cases and code. exe startup arguments, so local scope will always return Bypass, thus causing it to fail on the unless every time. supported 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. Puppet Exec Resource. 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 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. unless. It is a limitation of the underlying system. I am trying to use code like this: exec { 'example':. Connect and share knowledge within a single location that is structured and easy to search. So, in order to avoid this I am adding the refreshonly parameter as follows. a sysadmin might manually run it. 0. 0. Let's also assume that you're puppet module knows when do delete these files. Puppet exec unless doesn't appear to work how I expect. 0\powershell. . Modules that are supported by Puppet, Inc. So I assume when the puppet agent runs on my node I should NOT see pkill -SIGQUIT mysqld; sleep 5; systemctl restart mysqld execute. Hot Network Questions tcpdump -vvv is not verbose enough In which situations or societies do people not take turns to. 0. 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. That will run every time puppet runs. sh', onlyif => systemctl service_trendmicro, # which system should return. 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 in Puppet without the module. 0. unless => 'bash -c "test -d /home/user/tmp/new_directory"', Should work too. Tasks use Scripts to execute them on remote machines. txt ]; then echo "my_fileexists=yes" else echo "my_filexists=no" fi. 2. Create exec resources with metadata to ensure it is idempotent. Install Puppet Agent on bulk windows server. Puppet File resource runs despite Exec unless. If it always returns a false (non-zero) exit code then the two. 1. ¯_ (ツ)_/¯. every time Puppet's agent apply its manifests), even when the onlyif condition is false, unlike Exec['install-newrelic-apt-key']. 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. Puppet Exec with no command attribute. 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. #####unless Runs the exec, unless the command returns 0. 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. As a result, notifications are shown as a change on every Puppet run. 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. I assume the default behavior of the parser is such that if it receives an array. d/ Prevents Puppet from considering. If I try creating it as my process user, I get permission denied. DevOps. Learn more about TeamsIt's just not something you can do with vcsrepo unless you can override path (you can in exec). exec { ‘SETHELLO’: command => ‘Add-Content -Path c:\test. Learn to use Bolt to execute commands on remote systems, distribute and execute scripts, and run Puppet tasks or task plans on remote systems that don’t have Puppet installed. Teams. 2. 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. 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. The script remaps several legacy user id's that conflict with local system users. Puppet Exec tag onlyif troubles. Puppet File resource runs despite Exec unless. d directory, then puppet agents pull it down and execute it on every run and provide the fact. To use commands with pipe |, you must use the shell builtins work around with cmd. Puppet Exec resource to apply only when a File changes. {"payload":{"allShortcutsEnabled":false,"fileTree":{"manifests":{"items":[{"name":"fcontext","path":"manifests/fcontext","contentType":"directory"},{"name":"boolean. 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. Since Puppet 2. Yet when I run puppet agent -td I see that the puppet agent IS executing pkill -SIGQUIT mysqld; sleep 5; systemctl restart mysqld. puppet exec returned 1 instead of [0] 1. . Any command in an exec resource must be able to run multiple times without causing harm — that is, it must be idempotent. password is not getting changed to the default password and also chage. And if you do intend to resolve it as a. For detailed information about built-in types, see the Resource type reference. exe -executionpolicy remotesigned -file C:\test. The default behavior is to report the exit code only for the last command in the pipeline. Classes are named blocks of Puppet code that are stored in modules and applied later when they are invoked by name. 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. check that the node can communicate with the puppetmaster on the relevant port. Let's assume that you can write a find command to list all of your files that you want deleted. 1 on CentOS, and Puppet clients 3. 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. . As for a "more intelligent way of excluding", I think you need to couch the question differently. I have a requirement where one exec notifies another exec which notifies a defined resource type (which sets some variables and runs an internal exec). e. Puppet: Exec from class when Exec from another class is successful. It sounds like this is exactly what you need: exec { 'test_cmd': path => $::path, command => 'cmd. 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. This module adds a powershell provider to the exec type, which enables exec parameters, listed below. Local user accounts are often desirable for isolating applications requiring unique permissions. e. Learn more about TeamsUnless puppet supports escaping somehow. 6. The whole idea of adding this step is to check and execute the command- makeswap only if the swap is not in place. The way I check this is if the gopher user has the default uid of 13. 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. Node examples. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. After changing topology strategy, cassandra should rebuild keyspace - this is where puppet comes. Then, you can install the Nuget package via the package resource in Puppet. The logoutput parameter just logs the output to the. 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. exe /C tzutil. Adds a new exec provider for executing PowerShell commands. 1. pp file. What is Puppet? | How Puppet Works? | Puppet Tutorial For. Understand the syntax and function of the if, unless, case, and selector statements. As Forrest already said, it's not what puppet is designed for. puppet and I'm running into some issues. That's what the ticket is about. Modules that are supported by Puppet, Inc. I don't think there is an exception handling in a programmatic way you would like in Puppet. Hot Network Questions Is source of space-time curvature necessary?All groups and messages. yml] &. Detecting if windows service is already installed using puppet exec. 1. gz packages are copied to the remote systems during every puppet run, while these files where removed after installation and software has been. Setting noop=>false means your file resource will always be applied, even in a noop run. Windows shared folder is a folder that has been configured to be accessed by multiple users over a network. 2. ps1', } Puppet uses the same. I am just putting small snippet here to show you what its doing. exec command unless directory exists in puppet. The Puppet “exec” resource allows users to run commands and scripts on nodes. Yet when I run puppet agent -td I see that the puppet agent IS executing pkill -SIGQUIT mysqld; sleep 5; systemctl restart mysqld. 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 exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. Puppet: 'creates' does not create. Try again and this time show the failure. exec power shell script having corrective action every time. Rename("new-guest")', unless => 'if (Get-WmiObject. Puppet seems to be behaving exactly as I would expect, with the only potentially surprising thing being that even the 'posix' provider runs the 'unless' and 'onlyif' commands via the shell. Using virtual box and a vagrant bas. Exec ['get-chocolatey'] -> Package<| provider == 'chocolatey' |>. I don't think there's something built into Puppet. 0 to 5. , for example, the Exec resource being. If this parameter is set to true all necessary changes are made to make a server compliant to the security baseline rules. John. 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. It applies the resource on the left before the resource on the right. Chaining arrows. 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. Like if statements, case statements choose one of several blocks of arbitrary Puppet code to execute. 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. We will focus on the language terminology, syntax and. d directory, then puppet agents pull it down and execute it on every run and provide the fact. Try adding -Scope LocalMachine to your unless statement. 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. As an example I have a powershell script that opens notepad:. This can be used with bash on Linux, but with the PowerShell provider, it can run PowerShell on Windows and Linux nodes as well. Puppet avoids destroying directories unless the force attribute is set to true. 0. Aside from being good. And elsewhere you can add to the parameters for. 3 I am experiencing puppet exit code 1 when running any powershell script that starts or invokes a process. There's a generalizable form of this dependency that might be helpful in reducing the repetition of the require statement. 1. I think this is due to how the PowerShell module calls PowerShell - it passes -ExecutionPolicy Bypass as part of the powershell. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. Adds a new exec provider for executing PowerShell commands. This module adds a powershell provider to the exec type, which enables all of the exec parameters, such as creates, onlyif, unless, etc. Sequence of Execs in Puppet. If this parameter is set, then this exec will only run if the command has an exit code. Puppet: How to execute a Exec resource if another Exec resource failed. As a result, the chown in the main command always is run, and that is reported. Puppet seems to be behaving exactly as I would expect, with the only potentially surprising thing being that even the 'posix' provider runs the 'unless' and 'onlyif' commands via the shell. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. (capital X) permission when using recursion so files can retain the execute permission if they have them, but also allow you to traverse the directory as that requires the execute. If you declare users as virtual resources , you can then use 'realize' or the collection syntax ( User <|. Is there a way to tell puppet to only execute command if one of the files does not exist? 0. This module is particularly helpful if you need to run PowerShell commands but don't know the details about how PowerShell is executed, because you can run PowerShell. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. He just built and performed the lead puppet for a Toronto television pilot. Among them, notice (), info (), and debug () seem the. Other built-in types. Case statement. 0. Ben is the Community and DevRel lead at Puppet, where he's been scared by production Puppet code for the last decade. 1. Puppet: deploy file unless it exists. g. So in. Background: I am upgrading our lxc puppet module to support the emerging unprivileged LXC technology. exec { 'mysql post cmd1': command => 'whatever', require => Mysql::Db['cosmed'], unless => 'command to check that this exec has been applied. where read = 4, write = 2, and execute/search = 1. How to clean up files created by Exec resources? 0. Puppet: exec onlyif value is not equal. A statement to determine if the wls_exec must execute. This will cause puppet to. So then intention and documentation has always been the same since 4. ” There is also a set of values whose data type is “data type. Puppet running exec. All groups and messagesCreate A Puppet Configuration File. Adds a new exec provider for executing PowerShell commands. The Forge makes it easier for you to manage Puppet and can save you time by using pre-written modules, rather than writing. indicates that the shell tried to execute '3' as a command, and, unsurprisingly, did not find it. But it when I try it, it is. 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. Puppet exec unless doesn't appear to work how I expect. And after that, run puppet agent with pluginsync enabled, and you can use custom type like this:. 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. Secondly I would like to use booleans from a bash script running diff <() <(). This is a textbook case where you should write the test first, and the code after. If executed as root, the lxc-info checks for the name among the root containers. Puppet File resource runs despite Exec unless. Tags. jar file is actually an update for an application which is running as a service. On Windows, most exit codes should be integers between 0 and 2147483647. I have a script that really only needs to be run one time on a server, i. Scripts file serving mount. 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. 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/. asked Apr 1, 2022 at 20:47. Running Powershell in Puppet. Puppet File resource runs despite Exec unless. “Unless” statements Syntax Behavior Conditions Case Statements Syntax Behavior Selectors Location Syntax Behavior Expand Conditional statements let your Puppet. This example specifies defaults for the exec resource type attributes path , environment , logoutput , and timeout . Adding a / to the end of a file name isn't enough to tell puppet to. The generic way for "manually" creating a service in Windows is to use the sc.