Unless you tell your exec not to run for some reason or another, it will always run. Juan. Understand the syntax and function of the if, unless, case, and selector statements. This statement will execute the sql statement drop table application_users on the database named db in the instance named instance. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. Writing some classes for cassandra, one of them is to align clustering settings using puppet exec etc. But Puppet is quite hard to learn. When evaluated, these tagged expressions can modify text in the template. Hot Network QuestionsOn this site you can find information about supported enterprise-grade puppet modules. Similarly, we can use unless, unless execute the command all the time, except the command under unless exits successfully. To do this in Puppet you would have to use an Exec and invoke setfacl (if you were on Linux, for example) directly. 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. See provider/exec. cmd', provider => windows, subscribe => File ['folder_a'], logoutput => true, refreshonly => true, # Add this line. This page is about the legacy API, which uses the Puppet::Parser::Functions namespace. Puppet Coding Style - In Puppet, the coding style defines all the standards which one needs to follow while trying to convert the infrastructure on the machine configuration into a code. Detecting if windows service is already installed using puppet exec. 0. To use the BoltSpec library functions, include them in either the spec_helper. So it will likely work better if the command you are trying to pass will actually execute outside of Puppet. Since I don't have Puppet 4. Puppet Exec with no command attribute. Install Puppet Agent on bulk windows server. Puppet PowerShell Execution. Puppet provides a built-in exec type that is capable of executing commands. Backslashes MUST be used in:. 0\powershell. how to ensure puppet exec run on every event triggered? 0. This release documents the noop behavior of the onlyif and unless parameters of the exec resource. Running Powershell command directly using Puppet exec resource. puppet agent -td --evaltrace --profile > agent_debug. if statement, using expressions and facts. The exec resources will only refresh themselves when they receive a notification. properties. First, change the require arrow to a notify arrow, from -> to ~>. (See the notes on refreshing below. unless => "powershell. exe startup arguments, so local scope will always return Bypass, thus causing it to fail on the unless every time. Modules that are supported by Puppet, Inc. ” These values represent the other data types. This tells Puppet to run aspnet_regiis. Puppet exec - fails to execute command as user. Q&A for work. This is a textbook case where you should write the test first, and the code after. 5. exe startup arguments, so local scope will always return Bypass, thus causing it to fail on the unless every time. For example, command => 'cmd. d/ Prevents Puppet from considering. I want to check if the file exists in the client. 12, but from 5. Modules. Just. Alternately, you can put the PowerShell code. 3 I am experiencing puppet exit code 1 when running any powershell script that starts or invokes a process. I am trying to run a Powershell command directly using Puppet exec resource instead of specifying path to the Powershell script. Connect and share knowledge within a single location that is structured and easy to search. Puppet supports a few different ways of implementing conditional logic: ; if statements, ; unless statements, ; case statements, and ; selectors. This can have severe impacts to the machines, especially if security settings are defined in a wrong way. Valid options: String. 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. Ben is the Community and DevRel lead at Puppet, where he's been scared by production Puppet code for the last decade. I want to check if the file exists in the client. 1. Note: These two behaviors should not be mixed for a given class. 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. I need puppet to execute a script that is inside an installed app. exe invocation as the command. All modules; Supported modules; Modules with tasks; Contribute. However, this manifest will exec the command every time the puppet client checks in with the puppet master. Alternaitve 2: Use Augeas: seems overkill for a simple search & replace. . However, this manifest will exec the command every time the puppet client checks in with the puppet master. If the file does not exist then the Exec succeeds without running /bin/true. All groups and messagesConditional execution of puppet defined resource type through exec. The problem is Exec['apt-update'] is always performed (i. How to set environment variables in Ubuntu OS using Puppet. Puppet exec unless doesn't appear to work how I expect. Description. Let's also assume that you're puppet module knows when do delete these files. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. "Unless" statements work like reversed if statements. Puppet provides a built-in exec type that is capable of executing commands. Although that can work, I urge you to consider instead packaging up your service (as an RPM, DEB, or whatever is appropriate for your system), putting it in a suitable repository, and managing its installation via a Package resource. if you want execute a powershell file:. 0 Puppet strange behaviour of execs. 00 GiB'and $::facts['processorcount'] >= 2 and Exec['port_connectivity'] condition was successful. 0. 0 a new feature "relationship syntax" was introduced. you should get something like -. However, if all you want is to. The code that creates the container is executed unless the following test if the container exists succeeds: lxc-info -n $ {lxcname} >/dev/null. ps1', } Puppet uses the same. The commands in an Exec resource either have to be fully qualified (i. To use commands with pipe |, you must use the shell builtins work around with cmd. Adds a new exec provider for executing PowerShell commands. 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. If exec command was successful and facter returns true then only it should execute, but following manifest executing individually without checking whether that exec. You may need to reboot the system after enabling if SELinux was. The Puppet Design Philosophy Before we begin to explore best practices with Puppet, it’s valuable to understand the reasoning behind these recommendations. It will execute the block of code associated with the first matching case, and ignore the remainder of the statement. When I apply the manifest for the first time, it works correctly. 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). Sequence of Execs in Puppet. With Bolt on the command line, run bolt task run exec command=<COMMAND>. exe utility (note the space after and lack thereof before the = character): exec { "install_service" : command => "$ {Sys32}sc. The exit status when you run it directly and the exit status you expect it to return are irrelevant. e. Unless you tell your exec not to run for some reason or another, it will always run. 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. However, I strongly recommend that you do not use any kind of non-conditional exec with puppet. Q&A for work. 6. execs will always run. Puppet Exec Resource. txt ]; then echo "my_fileexists=yes" else echo "my_filexists=no" fi. 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 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. I have a script that really only needs to be run one time on a server, i. 1. 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/. As long as the file / directory specified in creates exists puppet won't run the exec. 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'. 2. I don't think there is an exception handling in a programmatic way you would like in Puppet. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. 1. In a particular project, I have a lot of Puppet exec resources with pipes. Sort by Year. 0. Contribute to tarunmunjal/puppetlabs-powershell development by creating an account on GitHub. 7. supported. Windows puppet exec command file path. My notes on how to make it work for complex multi-exec configurations. 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. Puppet exec unless doesn't appear to work how I expect. For. 2. Classes generally configure large or medium-sized chunks of functionality, such as all of. The command should only be run as a refresh mechanism for when a dependent object is changed. Is this the best way to do this?. As per the exec documentation, the onlyif/unless exec command result will override the receipt of refresh. 0. exe"", path. . Puppet: How to execute a Exec resource if another Exec resource failed. # Setting Powershell Execution Policy to. if statement, with in expression. 0. So if you put an exec without conditions, it will execute the command on every run. Create exec resources with metadata to ensure it is 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. /usr/bin/test instead of test) or the path attribute of that Exec resource has to be set. Hiera supports booleans, and always has done so -- or at least, it is so documented. The onlyif parameter is defined as. It's important to note that the notify resource type is not idempotent. Explanation Sometimes a simple creates isn't enough to determine if an exec should run or not. password is not getting changed to the default password and also chage. How to set Powershell ExecutionPolicy via Puppet exec command with unless property on Windows?. The Puppet “exec” resource allows users to run commands and scripts on nodes. If this parameter is set to true all necessary changes are made to make a server compliant to the security baseline rules. Puppet can take an existing PowerShell Module and build a Puppet module out of it. Follow answered Jan 12, 2015 at 6:48. This is where refreshonly backfires rather terribly. If. This means you. Here's an example: @user { 'foo': groups => ['somegroup'], membership => minimum, } Then realize that virtual user with then collection syntax: User <| title == foo |>. Plans are sets of tasks that can be combined with other logic. 1. Onlyif and unless are somewhat similar as they serve as conditional operators in Puppet which means the command runs based on the output of what is in these parameters. As a result, notifications are shown as a change on every Puppet run. And as for the title of this question which I originally overlooked. 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. 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. An example in Puppet 2. e. I am trying to set some powershell inline cmdlets within puppet recipes in order to install other msi packages and powershell scripts. Puppet - Check if package is installed, but do not require it. It logs all diagnostic messages during a Puppet run. refreshonly: Only run the command if the resource is refreshed due to a notify or subscribe metaparameter; cwd: Sets the working directory. exe /C tzutil. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. onlyif and unless in --noop documented. All groups and messagesCreate A Puppet Configuration File. How do I make a puppet class dependent on all of the resources it defines? 1. Or even better, split the shells parts into separate exec resources with dependencies and unless parameters. Do you have reason to think that there's something wrong. This tells Puppet to run aspnet_regiis. So for your example, it would probably be better to extend the exec to add an unless or onlyif parameter, so the command only runs if the database doesn't already exist. A quick reference of syntax examples for the Puppet language. 0. It sounds like this is exactly what you need: exec { 'test_cmd': path => $::path, command => 'cmd. If a manifest has no syntax errors, the tool outputs nothing. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platformsExpand. |>). John. 2. 2. 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. I am poorly familiar with the puppet language but would guess something like this to execute the jar file: exec { 'jar_execution': command => 'cmd. 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. On Windows, most exit codes should be integers between 0 and 2147483647. My understanding is that if the second exec fails, the defined resource type should NOT be refreshed. The problem also happens to my start command which also use bundle exec: after puppet finished dea_ng::install and run dea_ng::service, the command below did not work unless I execute it manually on the client machine. Running Powershell command directly using Puppet exec resource. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. Puppet for Windows and Powershell Recipes. 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. TJL. 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. 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. This style guide applies to Puppet 4 and later. Following code updating file /etc/sysctl. unless. . supported Adds a new exec provider for executing PowerShell commands. command => '/path/to/script. Visit Stack ExchangeYes, you'd put a script into your modules path under a facts. Puppet modules to install and manage Oracle databases, Oracle Weblogic and Fusion Middleware, IBM MQ, IBM Integration Bus and other enterprise-grade software. After changing topology strategy, cassandra should rebuild keyspace - this is where puppet comes. ) I am running Puppet v3. Step Zero: Enable SELinux! Enabling SELinux is done by including the site_selinux class somewhere in your Puppet configuration. Puppet: Conditional exec using unless-option. In Puppet, when using the exec resource, you can specify an "unless" attribute. Puppet is an amazingly powerful and flexible tool. This says "get-chocolatey" should happen before any package resource with a Chocolatey provider. 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. The documentation for Exec's onlyif tag says this: onlyif The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. Scripts file serving mount. Expand. exec { 'foobar': command => 'foo | bar', } However, there are occasions where foo fails. John. The Puppet exec resource has OnlyIf and Unless attributes which can be used to limit when the command is invoked; e. 1. refresh: Command to execute if the resource is refreshed due to a notify or subscribe. As far as I know, the basic file type in Puppet only handles discretionary permissions that only allow for one group and one owner. The whole idea of adding this step is to check and execute the command- makeswap only if the swap is not in place. 0. txt ]; then echo "my_fileexists=yes" else echo "my_filexists=no" fi. Despite the -ExecutionPolicy parameter the PowerShell command will fail if execution is restricted via group policy. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. 1. How do you configure a Puppet exec to execute another command as part of onlyif. Tasks use Scripts to execute them on remote machines. Having chosen an Exec instead, it was unnecessary to introduce sudo into the command. Puppet provides a built-in exec type that is capable of executing commands. exec command unless directory exists in puppet. Discover. 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. ##Limitations. execute (command, options = NoOptionsSpecified) ⇒ Puppet::Util::Execution::ProcessOutput (also: util_execute) Executes the desired command, and return the status and output. You can use the unless parameter to only execute the statement in certain states. 2. password is not getting changed to the default password and also. problem, then do check at least these things: 1) that your 'unless' command is exiting with the expected return. Puppet’s behavior when declaring or assigning a class with both styles is undefined, and will sometimes work and sometimes cause compilation failures. I read the message you ask about as saying that the Exec was not refreshed, so the command will not be run. You can use the unless parameter to only execute the statement in certain states. Modules that are supported by Puppet, Inc. 1 Answer. puppet and I'm running into some issues. This example specifies defaults for the exec resource type attributes path , environment , logoutput , and timeout . 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. So in. If it always returns a false (non-zero) exit code then the two. If you choose to execute PowerShell scripts using the default Puppet exec provider on Windows, you must specify the remotesigned execution policy as part of the powershell. 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 logoutput parameter just logs the output to the. supported Adds a new exec provider for executing PowerShell commands. 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. All modules; Supported modules; Modules with tasks; Contribute. No find command is run; the test just passes by examination of the argument. I will show how these work in the example below. how do I tell 'puppet apply' that the package is already installed) But you really need something like an onlyif or unless or this is going to execute every 30 minutes and that breaks the idempotent rule we try and apply with Puppet code where things only change if they need correcting. Tags. Puppet advanced default params. Any recommendations on running. 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. In the modified question, the resources involved have such a relationship already. It is not possible to use bash here. Puppet running exec. There's a generalizable form of this dependency that might be helpful in reducing the repetition of the require statement. 1 Answer. How to set Powershell ExecutionPolicy via Puppet exec command with unless property on Windows? 1. Onlyif and unless are somewhat similar as they serve as conditional operators in Puppet which means the command runs based on the output of what is in these parameters. The command parameter is the PowerShell code you want to run on your node. Your fact could be something like this: #!/bin/bash if [ -f /my/file. Chaining arrows. 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. I am just putting small snippet here to show you what its doing. exe only when the aspnet_banking_app is created or changed. Puppet File resource runs despite Exec unless. – tom. 5. unless: A shell command that is run as a test to determine if the command should not run. Machines receiving task requests must have SSH or. If Puppet were running without privilege then sudo would not help, because Puppet would not provide a. By setting the hiera value selinux::mode: 'enforcing', that will ensure SELinux is enabled (it will default to targeted mode on CentOS). Puppet can run binary files (such as exe, com, or bat), and can log the child process output and exit status. Shell built-ins. The one thing the exec doesn't need to do is put the service in a started state. 1 Unless issue with Puppet. I am trying to use code like this: exec { 'example':. As far as I know, the basic file type in Puppet only handles discretionary permissions that only allow for one group and one owner. exec {'rename-guest': command => '(Get-WMIObject Win32_UserAccount -Filter "Name='guest'"). Puppet: Conditional exec using unless-option. Load 7 more related questions Show fewer. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. you have no choice (to my knownledge) currently than to use the exec resource with creates + onlyif or unless directives. Hot Network Questions Cause-effect definition of fictitious forcesAdds a new exec provider for executing PowerShell commands. e. supported Adds a new exec provider for executing PowerShell commands. Sorted by: 0. the unless attribute provides a condition. 2 Answers Sorted by: 6 test work for me at /usr/bin, so adding it to path could solve error. Related questions. This example specifies defaults for the exec resource type attributes path , environment , logoutput , and timeout . Unless required by applicable law or agreed to in writing, Licensor provides the Work (and each Contributor provides its Contributions) on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any. The script remaps several legacy user id's that conflict with local system users. I have two similar Exec[] in a class, both with the onlyif parameter, as you can see below. This means that if a file is currently a directory,. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. exe -ExecutionPolicy ByPass -command "here any command on powershell ""} On Thursday, October 9, 2014 4:22:14 PM UTC-3, Paul Ponzeka. 1. run this on your node -. Is there a way to tell puppet to only execute command if one of the files does not exist? 1. The script remaps several legacy user id's that conflict with local system users. The documentation referenced is about something different: the 'unless' statement. You can add classes to a node’s catalog by either declaring them in your manifests or assigning them from an external node classifier (ENC). }Puppet: Conditional exec using unless-option. Conditional statement examples. e. 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. The exec resource from Puppet, the automation framework, is a mysterious beast. 0. Puppet noop When Executable does not exist yet. 1. Puppet Exec with no command attribute. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. Puppet Exec Resource. 26th - 28th Surrey Sparks Stages - Puppet-making workshops Surrey BC. check that the node can communicate with the puppetmaster on the relevant port. As a suggestion:I am using Puppet installed with the powershell module. Yes, you'd put a script into your modules path under a facts. The whole idea of adding this step is to check and execute the command- makeswap only if the swap is not in place. g. 0. 0 how to ensure puppet exec run on every event triggered? 0 Puppet: How to execute a Exec resource if another Exec resource failed. 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 Puppet “exec” resource allows users to run commands and scripts on nodes. pp in the Puppet command prompt. You can use these special values to examine a piece. Puppet strange behaviour of execs. You can use expressions almost anywhere a value is required. } Puppet: Conditional exec using unless-option. The setuid/setgid/sticky digit is also a. 1 on CentOS, and Puppet clients 3. Assignment operator. You can also set variables within the manifest, which can change the. Valid options: String. 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. The best solution would actually be to use something like Augeas to examine the file and modify as necessary. As Forrest already said, it's not what puppet is designed for. Menu Log In List your. That is, unless you can use purging with them. The value that represents the data type of these values is Type. Puppet: Exec from class when Exec from another class is successful. I think this is due to how the PowerShell module calls PowerShell - it passes -ExecutionPolicy Bypass as part of the powershell. #####unless Runs the exec, unless the command returns 0. Unix: exec { 'delete_files': command => "/bin/find [your find command arguments here] -delete", } Some find commands don't have -delete, so. 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. PUP-11199. 0 through 3. 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. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. But because a dependency failed, Exec['Y'] will be skipped during this transaction. Learn more See the exec documentation for the command, unless, and onlyif. Explanation. Usage. 0. do, line 50) cannot accept an array of options. service. g. refresh: Command to execute if the resource is refreshed due to a notify or subscribe metaparameter. Node examples. Adds a new exec provider for executing PowerShell commands. Overtime dhcp package is upgraded, RPM returns the original permission and owner which leads to DHCP issues (foreman-proxy is unable to modify files). service ntpd stop ntpdate ntp3. command => '/path/to/script. Hot Network Questions Short video of insurance salesman summoning a demon who also is into insurance Sum of Rows of Vandermonde Matrix Mulliken Labels: How do I tell apart E, doubly degenerate, symmetry apart from T, triply degenerate, symmetry) for a molecular orbital?. Puppet Inc modules on the Puppet Forge are open projects, and community contributions are essential for keeping them great. The ensure (see ensurable. notify. Connect and share knowledge within a single location that is structured and easy to search. Since Puppet 2. exe /C: exec { 'configure_timezone': command => "tzutil.