With PE on the command line, run puppet task run exec command=<COMMAND>. Since I don't have Puppet 4. In many cases, such commands get only one chance to fire. 0. But it when I try it, it is. The default behavior is to report the exit code only for the last command in the pipeline. gz packages are copied to the remote systems during every puppet run, while these files where removed after installation and software has been. config/autostart ]' is not qualified and no path was specified. You can set different levels of permissions for different users or groups, allowing them to read, change, or even delete. e. You may need to reboot the system after enabling if SELinux was. Back to overview of wls_exec. Puppet provides a built-in exec type that is capable of executing commands. I have a script that really only needs to be run one time on a server, i. Usage. 3. Default: Undefined. Check your syntax by entering puppet parser validate c:\myfiles\file. 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. This part of the series will walk you through the process of automating server provisioning using Puppet, a popular configuration management tool capable of managing complex infrastructure in a transparent way, using a master server to orchestrate the configuration of the nodes. Sep 13, 2012 at 15:51. Only supported on Windows Server 2003 and above, and Windows 7 and above. From the puppet i get the error:The solution is to invoke bash with the command as an argument, i. 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". 0. 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. Chaining arrows. pp file. ##Limitations. Following code updating file /etc/sysctl. 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. I don't think there is an exception handling in a programmatic way you would like in Puppet. Puppet: how to remove a directory and everything in it. 0. wow! My recommendation is: throw it away and start over. You can also set variables within the manifest, which can change the. Learn more about TeamsPuppet provides a built-in exec type that is capable of executing commands. 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. To do this in Puppet you would have to use an Exec and invoke setfacl (if you were on Linux, for example) directly. They take a Boolean condition and an arbitrary block of Puppet code, evaluate the condition, and if it is false, execute. you should get something like -. 5. How to pass multiple values in exec command resource in puppet? 0. The onlyif parameter is defined as. Explanation. Plans are sets of tasks that can be combined with other logic. If the resource that you want to apply conditionally does not have any built-in conditional checks that serve the purpose, then Puppet conditional statements such as if and case are the most likely options. He just built and performed the lead puppet for a Toronto television pilot. 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. What is Puppet? | How Puppet Works? | Puppet Tutorial For. However, I only want to apply the 'netsh advfirewall reset' exec if firewall rules other than what I have specified in Hiera exist. Puppet Exec tag onlyif troubles. 0. Conditional statements allow you to write Puppet code that will return different values or execute different blocks of code depending on conditions you specify. I am trying to use code like this: exec { 'example':. Puppet's if statement allows you to change the manifest behavior based on the value of a variable or an expression. After changing topology strategy, cassandra should rebuild keyspace - this is where puppet comes. 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. 1. If the file does not exist then the Exec succeeds without running /bin/true. This page provides a reference guide for Puppet 's built-in types: package, file, service , notify, exec, user, and group. Puppet: 'creates' does not create. 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. For example, to view the free disk space of a host, run: With. Local user accounts are often desirable for isolating applications requiring unique permissions. Puppet provides a built-in exec type that is capable of executing commands. Modules. The Puppet exec resource has OnlyIf and Unless attributes which can be used to limit when the command is invoked; e. But if you want specifically to use the unless or onlyif property of an Exec resource to control whether to run that Exec's command, then you have to understand that those properties specify operating system commands to run to perform the evaluation. I am getting different errors and i was thinking on changing the approach and add those inline cmdlets into a . 1 Answer. If. 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 strange thing is that when I reboot my machine and re-run puppet apply, it reruns the creation of this directory on every reboot. silent way to import registry file via puppet module. 0. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. I will show how these work in the example below. The problem is Exec['apt-update'] is always performed (i. 2. Teams. In addition I need to run only if it detects an older version of the and is not on a certain server and then install the new version. Puppet exec resource; Puppet classes and modules; Puppet Forge modules; Puppet Express; Puppet Express 2; Puppet 4 : Changes; Puppet --configprint; Puppet with Docker; Puppet 6. Alternative 1: create a bash script: ugly Exec resources and temp files. 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. exec. 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. Puppet exec unless doesn't appear to work how I expect. The notifying arrow is a tilde and a greater-than sign ( ~> ). Platform Engineering. There are a number of parameters you can set. Note: Data sources can use the special lookup_options metadata key to request a specific merge behavior for a key. For information on all core types, including supported types in the puppet-agent package, see. I am struggling with how to pass a puppet variable through to powershell. You can validate that a manifest's syntax is correct by using the command puppet parser validate. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. 1. This module adds a powershell provider to the exec type, which enables all of the exec parameters, such as creates, onlyif, unless, etc. txt ]; then echo "my_fileexists=yes" else echo "my_filexists=no" fi. 1. 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'. e. 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/. The CentOS/Puppet installation process should already have created a directory called /etc/puppet (If it hasn’t, create it with mkdir /etc/puppet ). 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. Stack Exchange Network Stack Exchange network consists of 183 Q&A communities including Stack Overflow , the largest, most trusted online community for developers to learn, share their. , 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. Q&A for work. Welcome to the Puppet CookBook. how to ensure puppet exec run on every event triggered? 0. 2. Search. Sends an arbitrary message, specified as a string, to the agent run-time log. 4. Problem with "if" is that it expects the file on the puppet server not on the client. The Puppet “exec” resource allows users to run commands and scripts on nodes. Problem with "if" is that it expects the file on the puppet server not on the client. rb file or in the individual test files, and configure Puppet and Bolt for the testing environment. e. Puppet Exec with no command attribute. exe only when the aspnet_banking_app is created or changed. Running Powershell in Puppet. . Puppeteer Script Works Local But Not On EC2 AWS. This is a textbook case where you should write the test first, and the code after. It sounds like this is exactly what you need: exec { 'test_cmd': path => $::path, command => 'cmd. The logoutput parameter just logs the output to the. Sort by Year. I am trying to run a Powershell command directly using Puppet exec resource instead of specifying path to the Powershell script. command => '/path/to/script. You can create relationships between resources or groups of resources using the -> and ~> operators. Resource default for the exec type A resource default statement set default attribute values for a given resource type. Puppet for Windows and Powershell Recipes. This says "get-chocolatey" should happen before any package resource with a Chocolatey provider. Puppet Resources are the building blocks that puppet uses to model system configurations. 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. As a result, notifications are shown as a change on every Puppet run. November 8, 2023. Hiera supports booleans, and always has done so -- or at least, it is so documented. 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. Create this file only if it does not exist, or Start this windows service unless it’s already running. How to set environment variables in Ubuntu OS using Puppet. 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. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. cmd', provider => windows, subscribe => File ['folder_a'], logoutput => true, refreshonly => true, # Add this line. Iteration functions. Try again and this time show the failure. The ordering arrow is a hyphen and a greater-than sign ( -> ). As per the exec documentation, the onlyif/unless exec command result will override the receipt of refresh. 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. I'm not sure what the problem is, and I need more information. exec command unless directory exists in puppet. The statement itself is simple but the class doesn't contain any built-in conditional checks (similar to "unless =>" in exec class). The difference between platform engineering and DevOps is pretty nuanced. Puppet avoids destroying directories unless the force attribute is set to true. config/autostart ]' is not qualified and no path was specified. This page is about the legacy API, which uses the Puppet::Parser::Functions namespace. Puppet File resource runs despite Exec unless. Puppet can execute binaries (exe, com, bat, etc. In conjunction with Facter, which makes details of a machine available as variables, this lets you write Puppet code that flexibly accommodates different platforms, operating systems. Another way to control an exec resource is to add a refreshonly => true attribute. The file will be generated in the directory you're currently in, unless you specify otherwise. I have two similar Exec[] in a class, both with the onlyif parameter, as you can see below. 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. The command specified causes the exec to be triggered unless the command specified returns a success (zero) exit status. ” These values represent the other data types. 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. In conjunction with Facter, which makes details of a machine available as variables. 0 Puppet strange behaviour of execs. Another way to control an exec resource is to add a refreshonly => true attribute. Share. Running Powershell command directly using Puppet exec resource. exe; Backslashes only. Windows puppet exec command file path. However, this manifest will exec the command every time the puppet client checks in with the puppet master. Right now I have: exec { 'first command': command => "some command" path => '/usr/bin', notify => Exec ["second command"], } exec {. 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. If it always returns a false (non-zero) exit code then the two. Puppet: deploy file unless it exists. Aside from being good. The simplest solution is to use the shell provisioner to install Puppet modules via module install after the Puppet installation (unless you are using a Vagrant box with Puppet baked in,. unless => 'bash -c "test -d /home/user/tmp/new_directory"', Should work too. 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. As Forrest already said, it's not what puppet is designed for. but the command fails. Learn more about TeamsUnless puppet supports escaping somehow. Puppet Exec resource to apply only when a File changes. Connect and share knowledge within a single location that is structured and easy to search. 1. if exec joins the domain, it should have an unless condition that tests whether or not the machine is part of the domain. 0. Any command in an exec resource must be able to run multiple times without causing harm — that is, it must be idempotent. Provides integrated testing tools and a command line interface to help you. loki77. The second one unzips it. Plans. 17 also improves the way typed class parameters are checked. Puppet: Conditional exec using unless-option. The command parameter is the PowerShell code you want to run on your node. exec { 'foo': command => "/bin/bash -c 'source /etc/profile;. Conversations. exe invocation: exec { 'test': command => 'C:\Windows\System32\WindowsPowerShell\v1. You might consider using an 'unless' or 'onlyif' parameter in there so that your resource is only evaluated when first setting up the replica set. /usr/bin/test instead of test) or the path attribute of that Exec resource has to be set. It is a limitation of the underlying system. Then, you can install the Nuget package via the package resource in Puppet. And if you do intend to resolve it as a. 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. at deployment time, but figured it would be best to have Puppet manage it. So in. 1. Is there a way to tell puppet to only execute command if one of the files does not exist? 1. So, in order to avoid this I am adding the refreshonly parameter as follows. 0 on RHEL 6 and am doing package management via the exec resource. . I will show how these work in the example below. Something like this should work: - name: Get rabbitmq vhosts. Puppet File resource runs despite Exec unless. 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. This differs from some other languages where looping constructs are special keywords. Valid options: String. Puppet: Exec from class when Exec from another class is successful. Sequence of Execs in Puppet. The cis_security_hardening module has a parameter enforce for each rule. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. 2 install on Ubuntu 18. refreshonly => true on an Exec resource requests that its command be run only in the event that the resource is refreshed. 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). 1. exec { ‘SETHELLO’: command => ‘Add-Content -Path c:\test. "Unless" statements work like reversed if statements. Install Puppet Agent on bulk windows server. The logoutput parameter just logs the output to the. It will also restart itself if exec['Do Stuf'] runs because of the way the relationship is defined. The way I check this is if the gopher user has the default uid of 13. group. Connect and share knowledge within a single location that is structured and easy to search. And as for the title of this question which I originally overlooked. jar file is actually an update for an application which is running as a service. These are command. Machines receiving task requests must have SSH or. (See the notes on refreshing below. 0. onlyif and unless in --noop documented. Hot Network QuestionsPuppet avoids destroying directories unless the force attribute is set to true. supported Adds a new exec provider for executing PowerShell commands. # Setting Powershell Execution Policy to unrestricted exec { 'Set PowerShell execution policy unrestricted': command => 'Set-ExecutionPolicy Unrestricted', unless. When I apply the manifest for the first time, it works correctly. 2. No find command is run; the test just passes by examination of the argument. 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/. Teams. 0. exe /g | findstr /C:"$ {timezone}"", } Well, I ended up not needing to do this as I found a config file I could just manage as a template. Puppet: exec onlyif value is not equal. Because the same concept underlies these different forms of conditional logic available in Puppet, we'll only cover the if statement in the tasks for this quest. you can check this quickly with the telnet command. 0. exe /c echo "hello"'. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platformsExpand. 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. Note that the example uses the unless parameter to make the resource idempotent. Puppet lookup uses a hierarchy of data sources, and a given key might have values in multiple sources. The value that represents the data type of these values is Type. /usr/bin/test instead of test) or the path attribute of that Exec resource has to be set. exec { "Change status and start-up of Win service": command => 'C:WindowsSystem32WindowsPowerShellv1. 🔩 Tip: Unless your module also includes tests for manifest code, add the BoltSpec helpers and configure Puppet and Bolt in spec_helper. puppet exec command issue. All groups and messages. But Puppet is quite hard to learn. exec { 'update hostname': command => 'hostname VM01', path => '/usr/bin:/usr/sbin/:/bin:/sbin', unless => '[ "$(hostname)" == "VM01" ]', } You need to. Puppet File resource runs despite Exec unless. g. 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. exec { 'foobar': command => 'foo | bar', } However, there are occasions where foo fails. Is there a way to tell puppet to only execute command if one of the files does not exist? 0. 7. 1. service ntpd stop ntpdate ntp3. If executed as root, the lxc-info checks for the name among the root containers. I am wondering whether it is possible to have Puppet only stop and disable a Windows service if it exists. 4. Puppet reboot in stages. unless. STILL REALLY WEIRD, but ok. They take a control expression and a list of cases and code. Puppet FuturePuppet is a configuration management tool which helps you to build the infrastructure and maintain its state. if statement, with in expression. asked Apr 1, 2022 at 20:47. It logs all diagnostic messages during a Puppet run. There are a few important parameters to use when writing an exec resource with PowerShell. This can be used with bash on Linux, but with the PowerShell provider, it can run PowerShell on Windows and Linux nodes as well. Scripts file serving mount. 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. 7. The commands in an Exec resource either have to be fully qualified (i. Long answer. Your exec will run only if pgrep returns 0. } @choover Unfortunately that won't work. Is there a way to tell puppet to only execute command if one of the files does not exist? 0. The setuid/setgid/sticky digit is also a. . Valid options: String. It am trying to add 'replica' user to my postgres server though puppet so i can use it in my master-salve cluster. When I apply the manifest for the first time, it works correctly. {"payload":{"allShortcutsEnabled":false,"fileTree":{"lib/puppet/type":{"items":[{"name":"file","path":"lib/puppet/type/file","contentType":"directory"},{"name. Puppet File resource runs despite Exec unless. The commands in an Exec resource either have to be fully qualified (i. When a lambda requires extra information, pass it to a function that provides the information and to evaluate the code, possibly multiple times. Tim Gosley’s four decades in puppetry include a wide spectrum of projects. exe /C: exec { 'configure_timezone': command => "tzutil. That's what the ticket is about. So then intention and documentation has always been the same since 4. The exec resources will only refresh themselves when they receive a notification. Need to copy a file via puppet only if a Windows MSI package is not installed. The exit status when you run it directly and the exit status you expect it to return are irrelevant. The best solution would actually be to use something like Augeas to examine the file and modify as necessary. 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. They take a Boolean condition and an arbitrary block of Puppet code, evaluate the condition, and if it is false,. } Puppet: Conditional exec using unless-option. refresh: Command to execute if the resource is refreshed due to a notify or subscribe. Scripts file serving mount. This can be used with bash on Linux,. I'm really confused about this, it seems like puppet can. The setuid/setgid/sticky digit is also a. In any given case, you should use whichever approach makes sense. 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. The shortest path to creating better Puppet modules. exec { 'nagios-permissions': command => "/usr/bin/chown -R nagios:nagios $ {confdir}", onlyif. If the path isn’t set, you must fully qualify the command’s name. ##Limitations. Long answer The scheme you have in mind is not compatible with Puppet's master/agent paradigm. you have no choice (to my knownledge) currently than to use the exec resource with creates + onlyif or unless directives. Like if statements, case statements choose one of several blocks of arbitrary Puppet code to execute. I can fix this manually. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. The issue isn't that the package doesn't install, but rather that apt automatically starts the. Iteration features are implemented as functions that accept blocks of code ( lambdas ). As far as I know, the basic file type in Puppet only handles discretionary permissions that only allow for one group and one owner. I need puppet to execute a script that is inside an installed app. Puppet File resource runs despite Exec unless. ), and can log the child process output and exit status. How can I tell Puppet to stop a service on shutdown without keeping it running? 0. Ensure directory tree exists. I am trying to set some powershell inline cmdlets within puppet recipes in order to install other msi packages and powershell scripts. 1 run Exec only if another Exec ran. It would be better to explicitly "exit 0" whenever you do not "exit 1". 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. This is where refreshonly backfires rather terribly. When you use any of the four so-called metaparameters for relationships in Puppet - those being: require , before , subscribe & notify - you tell Puppet that you want the application. Puppet: exec onlyif value is not equal. exec command unless directory exists in puppet. 1. Related questions. JULY . 0 a new feature "relationship syntax" was introduced. The generic way for "manually" creating a service in Windows is to use the sc. The Windows module pack is a group of modules available on the Forge curated to help you complete common Windows tasks. 9]: FAILED! => {"failed": true, "msg": "The conditional check 'rabbitmqctl. 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. The Puppet “exec” resource allows users to run commands and scripts on nodes. My first idea came in the lines of (within a class):One minor nitpick regarding Womble's answer: the puppet style guide recommends using single quotes unless you need double quotes for variable interpolation. at deployment time, but figured it would be best to have Puppet manage it. The command parameter is the PowerShell code you want to run on your node. The onlyif and unless. Puppet does not know about the files which are been modified by the shell script. 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. Default: Undefined. 0 through 3. 0powershell. 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. 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. Puppet should then run two commands only once. But it is certainly worth verifying the type and value of your variable. Your fact could be something like this: #!/bin/bash if [ -f /my/file. }Puppet: Conditional exec using unless-option. It sounds like this is exactly what you need: exec { 'test_cmd': path => $::path, command => 'cmd. problem, then do check at least these things: 1) that your 'unless' command is exiting with the expected return. They take a control expression and a list of cases and code. 1. . Do you have reason to think that there's something wrong. Certainly, Notify is right out. Do you have reason to think that there's something wrong with. exe"", path. Puppet’s behavior when declaring or assigning a class with both styles is undefined, and will sometimes work and sometimes cause compilation failures. The code that creates the container is executed unless the following test if the container exists succeeds: lxc-info -n $ {lxcname} >/dev/null. Puppet includes two Ruby APIs for writing custom functions. 2 Answers Sorted by: 6 test work for me at /usr/bin, so adding it to path could solve error. Adds a new exec provider for executing PowerShell commands. puppet-modules; puppet-motd; puppet-ntp; puppet-perl; puppet-php; puppet-ssh; puppet-timezone; python-cloudlb; rackspace-monitoring-agent-plugins;. , for example, the Exec resource being. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. ;) – ferventcoder.