rb file or in the individual test files, and configure Puppet and Bolt for the testing environment. See the Puppet Type Reference for the exec resource and look for unless and onlyif. From the puppet i get the error:The solution is to invoke bash with the command as an argument, i. My understanding is that if the second exec fails, the defined resource type should NOT be refreshed. So, in order to avoid this I am adding the refreshonly parameter as follows. All groups and messages. Menu Log In List your. This tells Puppet to run aspnet_regiis. – 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. 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. Modules. ora_exec {"drop table application_users@sid": username => 'app_user', password => 'password,' } This statement will execute the sql statement drop table application_users on the instance names instance. Puppet exec unless doesn't appear to work how I expect. 1st - 2nd Smithers Midsummer Festival Smithers BC. November 8, 2023. Puppet Exec resource to apply only when a File changes. 0 through 3. It will also restart itself if exec['Do Stuf'] runs because of the way the relationship is defined. However; I would like promote these into our production branch. Include-like behaviorAll groups and messages. Detecting if windows service is already installed using puppet exec. Puppet - Check if package is installed, but do not require it. Do you have reason to think that there's something wrong with. The pgrep manual page tells us that the exit code for pgrep will be zero (0) only when matching processes are found and it'll return one (1) when there are no matching processes. Teams. 2. The issue is, while first two are correctly executed under "user", third command is executed in. Puppet's if statement allows you to change the manifest behavior based on the value of a variable or an expression. In Puppet, when using the exec resource, you can specify an "unless" attribute. in. With PE on the command line, run puppet task run exec command=<COMMAND>. 2. /usr/bin/test instead of test) or the path attribute of that Exec resource has to be set. Scripts file serving mount. How do I make a puppet class dependent on all of the resources it defines? 1. Puppet exec - fails to execute command as user. 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. You can use these special values to examine a piece. But it is certainly worth verifying the type and value of your variable. Adds a new exec provider for executing PowerShell commands. It looks like you're having Puppet execute a shell script to perform the installation. Adds a new exec provider for executing PowerShell commands. Puppet exec - fails to execute command as user. "exec / onlyif" and "exec / unless" are kind of measures-of-last-resort in the Puppet world (now, having said that, I must admit that I'm completely guilty of using it myself on occasion :p ). So in pseudocode: IF postfix is installed DO touch /tmp/wehavepostfix DONE. For detailed information about built-in types, see the Resource type reference. Conditional statement examples. Their exit codes convey whether to proceed with running the main command. 1. Related questions. Learn more See the exec documentation for the command, unless, and onlyif. 1. However, when I clean my /tmp and apply the manifest again, it fails because the first exec doesn't executed. Puppeteer Script Works Local But Not On EC2 AWS. Puppet should then run two commands only once. 10, to 5. If you declare a resource, it is expected that puppet brings your machine to that state (installed package) and if not, it will fail automatically. 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. 0. So, in order to avoid this I am adding the refreshonly parameter as follows. Explanation Sometimes a simple creates isn't enough to determine if an exec should run or not. Modules that are supported by Puppet, Inc. There are three main ways for an exec to be idempotent:Conversations. 4. notify. 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. Shell built-ins. Modules. 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. Valid options: String. unless => 'bash -c "test -d /home/user/tmp/new_directory"', Should work too. Alternative 1: create a bash script: ugly Exec resources and temp files. -- Peter Bukowinski. The Puppet “exec” resource allows users to run commands and scripts on nodes. 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 logoutput parameter just logs the output to the. They take a Boolean condition and an arbitrary block of Puppet code, evaluate the condition, and if it is false,. 0. After changing topology strategy, cassandra should rebuild keyspace - this is where puppet comes. Case statements will execute a maximum of one code block. 0. I will show how these work in the example below. Adds a new exec provider for executing PowerShell commands. Puppet Exec tag onlyif troubles. sh', onlyif => systemctl service_trendmicro, # which system should return 0 or 1 for pass. Hot Network Questions tcpdump -vvv is not verbose enough In which situations or societies do people not take turns to. Puppet exec command runs in shell, but not via puppet. Rename("new-guest")', unless => 'if (Get-WmiObject. 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. run this on your node -. The Forge makes it easier for you to manage Puppet and can save you time by using pre-written modules, rather than writing. So the "cwd" now impacts the path of the "onlyif". Puppet can run binary files (such as exe, com, or bat), and can log the child process output and exit status. where read = 4, write = 2, and execute/search = 1. What is Puppet? | How Puppet Works? | Puppet Tutorial For. 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. I am trying to create Puppet exec that would only execute if certain Windows registry value does not exist. The whole idea of adding this step is to check and execute the command- makeswap only if the swap is not in place. 2. 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. yml] &. 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. It would be better to explicitly "exit 0" whenever you do not "exit 1". (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. domain. By setting the hiera value selinux::mode: 'enforcing', that will ensure SELinux is enabled (it will default to targeted mode on CentOS). ##Development. 2. Puppet lookup uses a hierarchy of data sources, and a given key might have values in multiple sources. Right now I have: exec { 'first command': command => "some command" path => '/usr/bin', notify => Exec ["second command"], } exec {. It doesn't even cause clutter in the logs! See also. 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. Try adding -Scope LocalMachine to your unless statement. execs will always run. silent way to import registry file via puppet module. Puppet modules to install and manage Oracle databases, Oracle Weblogic and Fusion Middleware, IBM MQ, IBM Integration Bus and other enterprise-grade software. 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. 0. command => '/path/to/script. In a particular project, I have a lot of Puppet exec resources with pipes. The difference between platform engineering and DevOps is pretty nuanced. exe; Backslashes only. You can validate that a manifest's syntax is correct by using the command puppet parser validate. Classes generally configure large or medium-sized chunks of functionality, such as all of. if statement, using expressions and facts. I want to check, if a given string is inside an array and if it isn't, I want to execute the code inside. 2 Handling names with spaces. The file will be generated in the directory you're currently in, unless you specify otherwise. Sort by Year. Yes, you'd put a script into your modules path under a facts. . However, the problem with the exec is that it is not idempotent. 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. 3) Unless some other block has a before => Exec["my_exec_block"] in it, the Exec block will run in some arbitrary semi-random order, probably not when you want it to run. Resource default for the exec type A resource default statement set default attribute values for a given resource type. 00 GiB'and $::facts['processorcount'] >= 2 and Exec['port_connectivity'] condition was successful. I am poorly familiar with the puppet language but would guess something like this to execute the jar file: exec { 'jar_execution': command => 'cmd. 2. 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. 0 how to ensure puppet exec run on every event triggered? 0 Puppet: How to execute a Exec resource if another Exec resource failed. e. ##Development. g. This is a textbook case where you should write the test first, and the code after. Conversations. 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. 3. Puppet for Windows and Powershell Recipes. 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. 2. Do you have reason to think that there's something wrong. Taking the baseline time away, the old module took 20 seconds (32 - 12) and the new module took 10 seconds (22 - 12). 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. exe -executionpolicy remotesigned -file C:\test. 6. Puppet: how to remove a directory and everything in it. After changing topology strategy, cassandra should rebuild keyspace - this is where puppet comes. Follow answered Jan 12, 2015 at 6:48. Install Puppet Agent on bulk windows server. The problem is Exec['apt-update'] is always performed (i. Modules that are supported by Puppet, Inc. exe only when the aspnet_banking_app is created or changed. And after that, run puppet agent with pluginsync enabled, and you can use custom type like this:. 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. And as for the title of this question which I originally overlooked. execute (command, options = NoOptionsSpecified) ⇒ Puppet::Util::Execution::ProcessOutput (also: util_execute) Executes the desired command, and return the status and output. Puppet reboot in stages. The Puppet Design Philosophy Before we begin to explore best practices with Puppet, it’s valuable to understand the reasoning behind these recommendations. If the file does not exist then the Exec succeeds without running /bin/true. But this configuration does not detect when any of the configuration files have been modified outside of puppet. notify is set on the user, and refreshonly is set on the exec. Connect and share knowledge within a single location that is structured and easy to search. }Puppet: Conditional exec using unless-option. Puppet Exec Resource. 3. The generic way for "manually" creating a service in Windows is to use the sc. When I apply the manifest for the first time, it works correctly. 0 a new feature "relationship syntax" was introduced. Glossary. You can use expressions almost anywhere a value is required. Running Powershell command directly using Puppet exec resource. Valid options: String. NORTHWEST LIBRARY FEDERATION. onlyif and unless in --noop documented. By default, Puppet returns the first value it finds, but it can also continue searching and merge all the values together. Background: I am upgrading our lxc puppet module to support the emerging unprivileged LXC technology. 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. Without one of these conditions, the exec will run on every run of the puppet file which is generally undesirable. ” These values represent the other data types. So in. There is a module in puppet already installed by default called:puppetlabs-stdlib and within this module a defined type called file_line which does the trick :) Here is my case scenario under the. 2. Puppet Labs modules on the Puppet Forge are open projects, and community contributions are essential for keeping them great. This style guide applies to Puppet 4 and later. e. Step Zero: Enable SELinux! Enabling SELinux is done by including the site_selinux class somewhere in your Puppet configuration. There's a generalizable form of this dependency that might be helpful in reducing the repetition of the require statement. 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. The exec has refreshonly => true , which only allows Puppet to run the command when some other resource is changed. Adds a new exec provider for executing PowerShell commands. notify is set on the user, and refreshonly is set on the exec. If Puppet were running without privilege then sudo would not help, because Puppet would not provide a. Puppet provides a built-in exec type that is capable of executing commands. Create exec resources with metadata to ensure it is idempotent. 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. The way I check this is if the gopher user has the default uid of 13. On reboot, the directory doesn't exist, strangely enough. If executed as root, the lxc-info checks for the name among the root containers. Classes are named blocks of Puppet code that are stored in modules and applied later when they are invoked by name. Long answer. The command should only be run as a refresh mechanism for when a dependent object is changed. Sends an arbitrary message, specified as a string, to the agent run-time log. Puppet can run binary files (such as exe, com, or bat), and can log the child process output and exit status. Puppet Exec with no command attribute. Examples An if statement evaluates the given condition and, if the condition resolves to true, executes the given code. 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. And as for the title of this question which I originally overlooked. Since I don't have Puppet 4. 1 on many Windows machines. Right now, I have the bit below for certain nodes:open-vm-tools. Need to copy a file via puppet only if a Windows MSI package is not installed. } @choover Unfortunately that won't work. Puppet exec unless doesn't appear to work how I expect. If you are using Puppet 3. 0. I wouldn't use puppet for a yum update, and my execs always have creates, onlyif, refreshonly or unless to ensure they only run when needed. supported Adds a new exec provider for executing PowerShell commands. You can set different levels of permissions for different users or groups, allowing them to read, change, or even delete. The problem is that the exec command is running before the group command. 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. running the code resulted in: fatal: [192. So then intention and documentation has always been the same since 4. Machines receiving task requests must have SSH or. Puppet exec unless doesn't appear to work how I expect. Adds a new exec provider for executing PowerShell commands. 1. Puppet strange behaviour of execs. To run an exec task, use the task command, specifying the command to be executed. 2. Exec ['get-chocolatey'] -> Package<| provider == 'chocolatey' |>. ##Limitations. The setuid/setgid/sticky digit is also a. --Puppet::Type. However, I strongly recommend that you do not use any kind of non-conditional exec with puppet. To do this in Puppet you would have to use an Exec and invoke setfacl (if you were on Linux, for example) directly. First I would like to use booleans as defined in Hiera [ auto lookup function ]. exe startup arguments, so local scope will always return Bypass, thus causing it to fail on the unless every time. 0. 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 provides a built-in exec type that is capable of executing commands. Modules. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. This allows you to do more complex task operations, such as. Puppet does not know about the files which are been modified by the shell script. refreshonly => true on an Exec resource requests that its command be run only in the event that the resource is refreshed. Depending on your client's platform you can use ACLs to grant varied permissions to more than one group or user. However the in function seems to work with if only, when I use unless I get the following e. refresh: Command to execute if the resource is refreshed due to a notify or subscribe metaparameter. password is not getting changed to the default password and also chage. The notifying arrow is a tilde and a greater-than sign ( ~> ). You may need to reboot the system after enabling if SELinux was. Running Powershell in Puppet. Puppet Exec with no command attribute. '". Depending on the complexity of the script, and if you want to run it with tools other than Puppet, I'd generally create it as a file-on-disk with a file type, then have an exec run the scripts. Adds a new exec provider for executing PowerShell commands. where read = 4, write = 2, and execute/search = 1. exe invocation as the command. I think this is due to how the PowerShell module calls PowerShell - it passes -ExecutionPolicy Bypass as part of the powershell. The . 1. e. Running Powershell command directly using Puppet exec resource. refresh: Command to execute if the resource is refreshed due to a notify or subscribe. Improve this answer. exe -ExecutionPolicy ByPass -command "here any command on powershell ""} On Thursday, October 9, 2014 4:22:14 PM UTC-3, Paul Ponzeka. 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/. Puppet File resource runs despite Exec unless. 1. 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. The 'creates', 'onlyif', and 'unless' parameters all provide mechanisms for Puppet to decide that an Exec resource is already in sync without running its (main) command. . , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platformsTechnically, in fact, you cannot do so: Puppet will interpolate the variable's value into the Exec resource's catalog representation, so there is no variable left by the time the catalog is applied, only a literal. Unless you tell your exec not to run for some reason or another, it will always run. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. The shortest path to creating better 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. Sorted by: 0. 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. 1 Answer. The second one unzips it. Alternaitve 2: Use Augeas: seems overkill for a simple search & replace. How to pass multiple values in exec command resource in puppet? 0. exe create MyService start= auto binPath= "C:path oyour. I have two similar Exec[] in a class, both with the onlyif parameter, as you can see below. d/pgsql. Writing some classes for cassandra, one of them is to align clustering settings using puppet exec etc. Puppet running exec before other commands. 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. Visit Stack ExchangeYes, you'd put a script into your modules path under a facts. There's a generalizable form of this dependency that might be helpful in reducing the repetition of the require statement. asked Apr 1, 2022 at 20:47. puppet-modules; puppet-motd; puppet-ntp; puppet-perl; puppet-php; puppet-ssh; puppet-timezone; python-cloudlb; rackspace-monitoring-agent-plugins;. Load 7 more related questions Show fewer. The Puppet “exec” resource allows users to run commands and scripts on nodes. Q&A for work. Note also that Exec has other parameters that can lead to instances being applied successfully without their commands being run. Puppet Exec tag onlyif troubles. It applies the resource on the left before the resource on the right. This release documents the noop behavior of the onlyif and unless parameters of the exec resource. For example, to view the free disk space of a host, run: With. It is not possible to use bash here. 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. All groups and messagesConditional execution of puppet defined resource type through exec. When something isn't builtin to file, I generally just to turn to an puppet exec declaration. Modules that are supported by Puppet, Inc. 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. g. unless => "powershell. On Windows, most exit codes should be integers between 0 and 2147483647. Best practices with exec is to use onlyif and unless to test for whatever action the exec is supposed to have performed. 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/. Puppet Inc modules on the Puppet Forge are open projects, and community contributions are essential for keeping them great. Basically, it makes it so you can use PowerShell Modules exactly like you use Puppet modules. This module is particularly helpful if you need to run PowerShell commands but don't know the details about how PowerShell is. exec { 'update hostname': command => 'hostname VM01', path => '/usr/bin:/usr/sbin/:/bin:/sbin', unless => '[ "$(hostname)" == "VM01" ]', } You need to. But either way the trailing exit statement in the command will return a non-zero exit code if that happens. How to set environment variables in Ubuntu OS using Puppet. I have a script that really only needs to be run one time on a server, i. Adds a new exec provider for executing PowerShell commands. Unless you tell your exec not to run for some reason or another, it will always run. 7. Since moving to Puppet 5. 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. d directory, then puppet agents pull it down and execute it on every run and provide the fact. Purging resources in Puppet requires two conditions: a type which supports listing instances (at least one provider has a self. If none of the cases match, Puppet will do nothing and move on. Your fact could be something like this: #!/bin/bash if [ -f /my/file. supported Adds a new exec provider for executing PowerShell commands. Modules that are supported by Puppet, Inc. 🔩 Tip: Unless your module also includes tests for manifest code, add the BoltSpec helpers and configure Puppet and Bolt in spec_helper. Please qualify the command or specify a path. 4. Only supported on Windows Server 2003 and above, and Windows 7 and above. If executed as root, the lxc-info checks for the name among the root containers. a sysadmin might manually run it. And elsewhere you can add to the parameters for. This can be used with bash on Linux, but with the PowerShell provider , it can run PowerShell on Windows and Linux nodes as well. rb in the Puppet source code. This differs from some other languages where looping constructs are special keywords. You can use the unless parameter to only execute the statement in certain states. 0. I am just putting small snippet here to show you what its doing. Puppet provides a built-in exec type that is capable of executing 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. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. Here is my code (Puppet): exec { 'Download mediawiki to temp': cwd. But it when I try it, it is. How to ensure Service is restarted before commands from Exec resource execute? 0. That is always handled by the service resource. Connect and share knowledge within a single location that is structured and easy to search. DevOps. The script remaps several legacy user id's that conflict with local system users. How to pass multiple values in exec command resource in puppet? Hot Network Questions How to extract coefficients and powers from expressions with non integer powers?This is such a common requirement that puppet has a single property that "does the right thing". The Puppet “exec” resource allows users to run commands and scripts on nodes. Sequence of Execs in Puppet. 2 or later for the pip3 provider, what is an alternative approach to installing Python packages by hand via the 'pip3' command? If I use the 'exec' approach, how do I control the package from being reinstalled all the time? (i. Puppet can take an existing PowerShell Module and build a Puppet module out of it. In this case specifying a directory is done by setting ensure to (unsurprisingly) directory. He just built and performed the lead puppet for a Toronto television pilot. 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. However, this manifest will exec the command every time the puppet client checks in with the puppet master. 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. how to ensure puppet exec run on every event triggered? 0. Using virtual box and a vagrant bas. John. Puppet Exec resource to apply only when a File changes. 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. Iteration features are implemented as functions that accept blocks of code ( lambdas ). If this parameter is set, then this exec will only run if the command has an exit code. Puppet provides a built-in exec type that is capable of executing commands. Assignment operator. This will cause puppet to. check that the node can communicate with the puppetmaster on the relevant port. This will not work because the Package resource type does not have an 'unless' parameter -- that's a feature specific to Exec resources. The synchronization of an out-of-sync Exec resource involves only running the command given by its 'command' property, so that's the only part that --noop prevents. I am using vagrant with puppet to set up virtual machines for development environments.