puppet exec unless. 1 Unless issue with Puppet. puppet exec unless

 
 1 Unless issue with Puppetpuppet exec unless  The third example is a (semi-)common mistake made by people coming from certain other tools

exec { ‘SETHELLO’: command => ‘Add-Content -Path c: est. Puppet reboot in stages. Puppet 3 is no longer supported, but we. John. Try checking the puppet master log at /var/log/puppetmaster. 1. 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. Puppet supports a few different ways of implementing conditional logic: ; if statements, ; unless statements, ; case statements, and ; selectors. 1', } Puppet supports if and unless statements, case statements, and selectors. 4. Adds a new exec provider for executing PowerShell commands. Problem with "if" is that it expects the file on the puppet server not on the client. 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. Your best bet is to run the action as a script and set up the PATH inside the actual script. An example in Puppet 2. As a result, notifications are shown as a change on every Puppet run. With PE on the command line, run puppet task run exec command=<COMMAND>. exe -executionpolicy remotesigned -file C:\test. Puppet can take an existing PowerShell Module and build a Puppet module out of it. 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. Running Powershell command directly using Puppet exec resource. If invoked by a normal user, it checks against the list of unprivileged containers stored for this particular user. As a result, the chown in the main command always is run, and that is reported. Expand. All groups and messages. 0. On Windows, most exit codes should be integers between 0 and 2147483647. Puppet Exec resource to apply only when a File changes. Puppet : How to use "defined" type as requirement inside exec. 1. Puppet avoids destroying directories unless the force attribute is set to true. This means that if a file is currently a directory,. 1. supported Adds a new exec provider for executing PowerShell commands. How do I make make puppet module break if condition not met. With Bolt on the command line, run bolt task run exec command=<COMMAND>. 0. Puppet check if a nagios resource exists. I can fix this manually. Resource default for the exec type A resource default statement set default attribute values for a given resource type. 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. The Puppet “exec” resource allows users to run commands and scripts on nodes. The --debug flag enables verbose logging. Follow answered Jan 12, 2015 at 6:48. I am just putting small snippet here to show you what its doing. 0, to 5. The command parameter is the PowerShell code you want to run on your node. Valid options: String. If exec command was successful and facter returns true then only it should execute, but following manifest executing individually without checking whether that exec. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. And if you do intend to resolve it as a. Let's assume that you can write a find command to list all of your files that you want deleted. --Puppet::Type. Execute create_resource after everything has finished or after exec has finished. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. TJL. 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. JULY . fail when a file exist in puppet. (2) it is unclear from your description whether the Exec's command is actually run (vs. Since Puppet 2. Hot Network Questions Is source of space-time curvature necessary?All groups and messages. 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. 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. Shell built-ins. exe /c C:/test. I don't think there's something built into Puppet. 2. Puppet exec unless doesn't appear to work how I expect. There's a generalizable form of this dependency that might be helpful in reducing the repetition of the require statement. service. Right now, I have the bit below for certain nodes:open-vm-tools. (See the notes on refreshing below. 1. Node examples. , for example, the Exec resource being. Puppet Exec with no command attribute. Puppet strange behaviour of execs. Modules. The command parameter is the PowerShell code you want to run on your node. 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. 1. Puppet: Conditional exec using unless-option. <%= EXPRESSION %> — Inserts the value of a single expression. 2. 0. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. 1. I will show how these work in the example below. Need to copy a file via puppet only if a Windows MSI package is not installed. There are a few important parameters to use when writing an exec resource with PowerShell. exe utility (note the space after and lack thereof before the = character): exec { "install_service" : command => "$ {Sys32}sc. or use the 'resolvconf --disable-updates' exec resource's 'unless' parameter to test for a running unbound daemon prior to installing the package. It doesn't even cause clutter in the logs! See also. Connect and share knowledge within a single location that is structured and easy to search. code. 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. 2) that no other resource is set to 'notify' Exec ['command_two']. This can have severe impacts to the machines, especially if security settings are defined in a wrong way. refreshonly => true on an Exec resource requests that its command be run only in the event that the resource is refreshed. Glossary. The Win32 APIs. exe startup arguments, so local scope will always return Bypass, thus causing it to fail on the unless every time. Puppet exec unless doesn't appear to work how I expect. 2. –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. The exec has refreshonly => true , which only allows Puppet to run the command when some other resource is changed. The ensure (see ensurable. asked Apr 1, 2022 at 20:47. g. To use sudo non-interactively, the invoking user needs a NOPASSWD: entry in sudoers %wheel ALL=(fred) NOPASSWD: /usr/bin/echo "hola dan" Then. Hot Network Questions tcpdump -vvv is not verbose enough. Sequence of Execs in Puppet. Unix: exec { 'delete_files': command => "/bin/find [your find command arguments here] -delete", } Some find commands don't have -delete, so. 2. As a suggestion:I am using Puppet installed with the powershell module. 0. Here is my code (Puppet): exec { 'Download mediawiki to temp': cwd. Examples An if statement evaluates the given condition and, if the condition resolves to true, executes the given code. The command should only be run as a refresh mechanism for when a dependent object is changed. Resource default for the exec type A resource default statement set default attribute values for a given resource type. But Puppet is quite hard to learn. When something isn't builtin to file, I generally just to turn to an puppet exec declaration. , unless you really intend to resolve that path against the working directory. exe /C: exec { 'configure_timezone': command => "tzutil. If the query specified in the unless parameter returns one or. 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. I think this is due to how the PowerShell module calls PowerShell - it passes -ExecutionPolicy Bypass as part of the powershell. supported Adds a new exec provider for executing PowerShell commands. 0. instances method defined) a parameter that can ensure the resource's absence; When both these conditions are met, Puppet can purge the resources it doesn't explicitly. In your case, the Exec is always successfully applied. exe; Backslashes only. at deployment time, but figured it would be best to have Puppet manage it. 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. However, if all you want is to. 0. This module adds a powershell provider to the exec type, which enables all of the exec parameters, such as creates, onlyif, unless, etc. #####unless Runs the exec, unless the command returns 0. Puppet: 'creates' does not create a new file. Hot Network Questions Cause-effect definition of fictitious forcesAdds a new exec provider for executing PowerShell commands. txt ]; then echo "my_fileexists=yes" else echo "my_filexists=no" fi. Understand the syntax and function of the if, unless, case, and selector statements. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. Puppeteer Script Works Local But Not On EC2 AWS. exec { 'foo': command => "/bin/bash -c 'source /etc/profile;. There's a generalizable form of this dependency that might be helpful in reducing the repetition of the require statement. powershell conditional IsNullorEmpty not working as planned. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. how to ensure puppet exec run on every event triggered? 0. The whole idea of adding this step is to check and execute the command- makeswap only if the swap is not in place. Puppet running exec. Puppet PowerShell Execution. It sounds like this is exactly what you need: exec { 'test_cmd': path => $::path, command => 'cmd. I would like to simply set a few environment variables in the . 6. require means that the the resource passed to require must be applied before the calling resource. With PE on the command line, run puppet task run exec command=<COMMAND>. exec. Modules that are supported by Puppet, Inc. 1. unless: A shell command that is run as a test to determine if the command should not run. They take a Boolean condition and an arbitrary block of Puppet code, evaluate the condition, and if it is false,. PUP-11199. 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. 0. Best practices with exec is to use onlyif and unless to test for whatever action the exec is supposed to have performed. It will execute the block of code associated with the first matching case, and ignore the remainder of the statement. 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. Puppet Exec with no command attribute. On Windows, most exit codes are integers between 0 and 2147483647. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. 1. This can be used with bash on Linux,. So having Puppet do it automatically will help with that. 0powershell. I am trying to create Puppet exec that would only execute if certain Windows registry value does not exist. Puppet File resource runs despite Exec unless. g. So I assume when the puppet agent runs on my node I should NOT see pkill -SIGQUIT mysqld; sleep 5; systemctl restart mysqld execute. Puppet provides a built-in exec type that is capable of executing commands. Q&A for work. 0. Puppet strange behaviour of execs. I'm really confused about this, it seems like puppet can. Chaining arrows. ps1', } Puppet uses the same. unless => "powershell. I am trying to run a Powershell command directly using Puppet exec resource instead of specifying path to the Powershell script. How to set environment variables in Ubuntu OS using Puppet. asked Apr 1, 2022 at 20:47. I think this is due to how the PowerShell module calls PowerShell - it passes -ExecutionPolicy Bypass as part of the powershell. 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. In the modified question, the resources involved have such a relationship already. Sometimes I want to run a command one time on all servers, e. if you want execute a powershell file:. exec { 'nagios-permissions': command => "/usr/bin/chown -R nagios:nagios $ {confdir}", onlyif. 2. 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. I have a script that really only needs to be run one time on a server, i. How to set Powershell ExecutionPolicy via Puppet exec command with unless property on Windows?. , for example, the Exec resource being. The way I check this is if the gopher user has the default uid of 13. Puppet lookup uses a hierarchy of data sources, and a given key might have values in multiple sources. Adds a new exec provider for executing PowerShell commands. I read the message you ask about as saying that the Exec was not refreshed, so the command will not be run. refresh: Command to execute if the resource is refreshed due to a notify or subscribe metaparameter. This statement will execute the sql statement drop table application_users on the database named db in the instance named instance. It is a limitation of the underlying system. The script remaps several legacy user id's that conflict with local system users. 2. Now that Puppet is installed and ready to run, it’s time to create a Puppet configuration. As far as I know, the basic file type in Puppet only handles discretionary permissions that only allow for one group and one owner. Visit Stack ExchangeYes, you'd put a script into your modules path under a 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. 2. Follow#####unless Runs the exec, unless the command returns 0. exe /c echo "hello"'. Discover. In many cases, such commands get only one chance to fire. The one thing the exec doesn't need to do is put the service in a started state. Connect and share knowledge within a single location that is structured and easy to search. execs will always run. 0. For example, command => 'cmd. You may need to reboot the system after enabling if SELinux was. 00 GiB'and $::facts['processorcount'] >= 2 and Exec['port_connectivity'] condition was successful. When a lambda requires extra information, pass it to a function that provides the information and to evaluate the code, possibly multiple times. e. 6. 1. 12 behavior got changed to match the intention. Windows shared folder is a folder that has been configured to be accessed by multiple users over a network. #####unless Runs the exec, unless the command returns 0. 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. The command is only executed if the Guest account does not exist, as indicated by unless returning 0. Like if statements, case statements choose one of several blocks of arbitrary Puppet code to execute. You can use the unless parameter to only execute the statement in certain states. 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. 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. wow! My recommendation is: throw it away and start over. Modules that are supported by Puppet, Inc. See the Puppet Type Reference for the exec resource and look for unless and onlyif. You need to put the rabbitmqctl list_vhosts | grep sensu in a separate task and register the result to use it in the when clause. They take a control expression and a list of cases and code. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. In particular, if you ensure the file absent then it is probably incorrect for the Exec to be triggered when the file is brouught into that state. Is there a way to tell puppet to only execute command if one of the files does not exist? 1. domain. This allows you to do more complex task operations, such as. With Bolt on the command line, run bolt task run exec command=<COMMAND>. Puppet File resource runs despite Exec unless. I am using vagrant with puppet to set up virtual machines for development environments. Expressions are statements that resolve to values. 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. Hot Network Questions tcpdump -vvv is not verbose enough In which situations or societies do people not take turns to. As far as I know, the basic file type in Puppet only handles discretionary permissions that only allow for one group and one owner. By using find to execute whatever commands you mean by "manage files" you should be able to accomplish your goal. Teams. 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. In Puppet, when using the exec resource, you can specify an "unless" attribute. In your case, it sounds like you want the exec to run only when your file changes. I want to check if the file exists in the client. How to pass multiple values in exec command resource in puppet? 0. Case statement. ##Development. Since I don't have Puppet 4. ##Development. 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. config/autostart ]' is not qualified and no path was specified. You can use these special values to examine a piece. 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. You might want to use the refreshonly parameter on your exec. To run an exec task, use the task command, specifying the command to be executed. 0 on RHEL 6 and am doing package management via the exec resource. Puppet attempts to execute directories from /etc/init. Validate your manifest with puppet parser validate. 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. 7. I assume the default behavior of the parser is such that if it receives an array. However, I strongly recommend that you do not use any kind of non-conditional exec with puppet. Puppet does not execute statements in linear order (as is the code written) unless you define some constraints. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. Puppet Defines Desired State. If you are using Puppet 3. . Scripts file serving mount. This means a resource with noop => false will be changed if necessary, even when. 1. Puppet provides a built-in exec type that is capable of executing commands. Larger exit codes on Windows behave inconsistently across different tools. 0 through 3. There are three main ways for an exec to be idempotent:Conversations. Remove the leading . 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. Overtime dhcp package is upgraded, RPM returns the original permission and owner which leads to DHCP issues (foreman-proxy is unable to modify files). Share. exe -ExecutionPolicy ByPass -command "here any command on powershell ""} On Thursday, October 9, 2014 4:22:14 PM UTC-3, Paul Ponzeka. I'm experiencing a very strange behavior with Puppet's Exec type. 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. 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. Secondly I would like to use booleans from a bash script running diff <() <(). you can check this quickly with the telnet command. Wow. 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: deploy file unless it exists. Puppet running exec before other commands. 3 puppet exec returned 1 instead of [0] 0 Puppet strange behaviour of execs. 2. Create this file only if it does not exist, or Start this windows service unless it’s already running. 163k 8 82 159. . So on a fresh installation, a refresh event will be received but the resource will. Rename("new-guest")', unless => 'if (Get-WmiObject. Improve this answer. Getting started. 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. In the code that Womble shows, there are no variables, so all the " should instead be '. 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. ¯_ (ツ)_/¯. Puppet's if statement allows you to change the manifest behavior based on the value of a variable or an expression. puppet exec command issue. For example, the value String represents the data type of strings. run this on your node -. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. There are times when you have a complex script that you just need to get into configuration management. Puppet exec - fails to execute command as user. Welcome to the Puppet CookBook. 0. 0 a new feature "relationship syntax" was introduced. As per the exec documentation, the onlyif/unless exec command result will override the receipt of refresh. Note: These two behaviors should not be mixed for a given class. # Setting Powershell Execution Policy to. 7. 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. If I try creating it as my process user, I get permission denied. 0. The 'unless' and/or 'ifonly' commands must run every time, though. 2. sudo -u fred /usr/bin/echo "hola dan" Note that I used sudo -u in favor of sudo su -. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. where read = 4, write = 2, and execute/search = 1. 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. onlyif and unless in --noop documented. Usage. Sometimes a simple creates isn't enough to determine if an exec should run or not. The exec resources will only refresh themselves when they receive a notification. It logs all diagnostic messages during a Puppet run. The 'refreshonly' parameter, on the other hand, makes application of the Exec conditional on (and subsequent to) one or more other resources changing, sort of like an 'on update' trigger in a database. Learn more See the exec documentation for the command, unless, and onlyif. All groups and messages. Running Powershell command directly using Puppet exec resource. password is not getting changed to the default password and also chage. The Puppet exec will not run unless the "unless" command exits with status 0. This example specifies defaults for the exec resource type attributes path , environment , logoutput , and timeout . My question is: I want to check if a file exists in the /tmp folder, and delete it before it starts downloading again. It is. exe only when the aspnet_banking_app is created or changed. These are command. Expand. Do you have reason to think that there's something wrong with. Puppet File resource runs despite Exec unless. 4. The baseline measures how long Puppet takes to just start up, so it’s not even executing powershell then. Exec ['get-chocolatey'] -> Package<| provider == 'chocolatey' |>. 163k 8 82 159. I am trying to set some powershell inline cmdlets within puppet recipes in order to install other msi packages and powershell scripts. If you declare users as virtual resources , you can then use 'realize' or the collection syntax ( User <|. Local user accounts are often desirable for isolating applications requiring unique permissions. 2. Puppet advanced default params. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. 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. It's important to note that the notify resource type is not idempotent. If. escape. } Puppet: Conditional exec using unless-option. If executed as root, the lxc-info checks for the name among the root containers. 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). Puppet 7. Puppet exec - fails to execute command as user. 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. John. Important: This API has severe problems — most notably, functions that use it will leak between environments. ” These values represent the other data types. 0. I am trying to use code like this: exec { 'example':. The Puppet exec resource has OnlyIf and Unless attributes which can be used to limit when the command is invoked; e. 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. Puppet File resource runs despite Exec unless. The service will detect it is not running and start itself if required. Is there a way to tell puppet to only execute command if one of the files does not exist? 0. You can read more about it here. Sequence of Execs in Puppet. unless => 'bash -c "test -d /home/user/tmp/new_directory"', Should work too. Unless you tell your exec not to run for some reason or another, it will always run.