Running Powershell command directly using Puppet exec resource. You can also set variables within the manifest, which can change the. This means that if a file is currently a directory, setting ensure to anything but directory or present will cause Puppet to skip managing the resource and log either a notice or. 163k 8 82 159. However the in function seems to work with if only, when I use unless I get the following e. Tim Gosley’s four decades in puppetry include a wide spectrum of projects. # Setting Powershell Execution Policy to. There are three main ways for an exec to be idempotent:Conversations. Googling unless ansible showed this document about when. Puppet provides a built-in exec type that is capable of executing commands. The Puppet “exec” resource allows users to run commands and scripts on nodes. Puppet Exec resource to apply only when a File changes. Improve this answer. Puppet Labs modules on the Puppet Forge are open projects, and community contributions are essential for keeping them great. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. 0. exec command unless directory exists in puppet. ), and can log the child process output and exit status. e. 2. 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. If Puppet is managing the user that an exec should run as. You can use onlyif, unless, creates and refreshonly to manage the case when you want the command to execute. The service will detect it is not running and start itself if required. – 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. puppet agent -td --evaltrace --profile > agent_debug. It sounds like this is exactly what you need: exec { 'test_cmd': path => $::path, command => 'cmd. Detecting if windows service is already installed using puppet exec. Discover. This will cause puppet to. 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. My question is: I want to check if a file exists in the /tmp folder, and delete it before it starts downloading again. supported Adds a new exec provider for executing PowerShell commands. 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. g. 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. How to set Powershell ExecutionPolicy via Puppet exec command with unless property on Windows?. Discover. Learn more about TeamsIt's just not something you can do with vcsrepo unless you can override path (you can in exec). 0. – tom. NORTHWEST LIBRARY FEDERATION. 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. In Puppet, when using the exec resource, you can specify an "unless" attribute. txt 2>&1. execs will always run. If the file does not exist then the Exec succeeds without running /bin/true. First I would like to use booleans as defined in Hiera [ auto lookup function ]. Explanation. jar', } Should this be part of the manifest which could look like this?Each value in the Puppet language has a data type, like “string. 0. Follow answered Jan 12, 2015 at 6:48. Sep 13, 2012 at 15:51. Puppet - Not able to find a declared class. exe -ExecutionPolicy ByPass -command "here any command on powershell ""} On Thursday, October 9, 2014 4:22:14 PM UTC-3, Paul Ponzeka. Adds a new exec provider for executing PowerShell commands. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. The logoutput parameter just logs the output to the. --Puppet::Type. rb instead of including them in the individual test files. Chaining arrows. Conversations. Adds a new exec provider for executing PowerShell commands. When evaluated, these tagged expressions can modify text in the template. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. All groups and messages. An example in Puppet 2. Sometimes a simple creates isn't enough to determine if an exec should run or not. Sequence of Execs in Puppet. 17 also improves the way typed class parameters are checked. exec { 'foo': command => "/bin/bash -c 'source /etc/profile;. 2. Exec ['get-chocolatey'] -> Package<| provider == 'chocolatey' |>. So then intention and documentation has always been the same since 4. cmd', provider => windows, subscribe => File ['folder_a'], logoutput => true, refreshonly => true, # Add this line. Puppet: How to execute a Exec resource if another Exec resource failed. Puppet avoids destroying directories unless the force attribute is set to true. 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 has two main ways to declare classes: include-like and resource-like. It am trying to add 'replica' user to my postgres server though puppet so i can use it in my master-salve cluster. As long as the file / directory specified in creates exists puppet won't run the exec. 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. Remove the leading . Puppet Exec with no command attribute. The commands in an Exec resource either have to be fully qualified (i. ) I am running Puppet v3. . 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. Do you have reason to think that there's something wrong. These are command. 5. txt ]; then echo "my_fileexists=yes" else echo "my_filexists=no" fi. puppet exec returned 1 instead of [0] 1. However, the problem with the exec is that it is not idempotent. Q&A for work. 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. Apart from all that, it is good practice with Puppet to actually deploy wrapper scripts that your exec resources. 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. 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. Share. 0 Output on one command cause next one to fails. Detecting if windows service is already installed using puppet exec. 6. This example includes an elsif condition, and gives a warning if you try to include the ntp class on a virtual machine or on machine running macOS: 2 Answers Sorted by: 6 test work for me at /usr/bin, so adding it to path could solve error. 00 GiB'and $::facts['processorcount'] >= 2 and Exec['port_connectivity'] condition was successful. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. If you do need to do it via say the exec resource, then @16c7x's statement is correct. I'm not sure what the problem is, and I need more information. txt –Value “Hello”’, logoutput => true, provider => powershell, } } The three parameters I use in this manifest are command, logoutput and provider. 0. Since Puppet 2. Puppet exec unless doesn't appear to work how I expect. This seems to work just fine. 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. 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. /usr/bin/test instead of test) or the path attribute of that Exec resource has to be set. How do I make make puppet module break if condition not met. puppet seems to execute the command in a way that means it never runs successfully. Alternately, you can put the PowerShell code. However; I would like promote these into our production branch. escape. John. The --debug flag enables verbose logging. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. 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. Executables, zips and or tar. Sorted by: 0. There are times when you have a complex script that you just need to get into configuration management. g. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. The db has already been created in the vm, and if it's already been cloned, the count returned from the query gives me something other than a ' 0 ', and the grep because. Thus:I only want to execute that if the hostname is not what it should be: exec { 'update hostname': command => 'sudo hostname VM01', unless =>. This release documents the noop behavior of the onlyif and unless parameters of the exec resource. All groups and messagesCreate A Puppet Configuration File. 9]: FAILED! => {"failed": true, "msg": "The conditional check 'rabbitmqctl. STILL REALLY WEIRD, but ok. Connect and share knowledge within a single location that is structured and easy to search. 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. command => '/path/to/script. Then, you can install the Nuget package via the package resource in Puppet. } @choover Unfortunately that won't work. Puppet running exec before other commands. If you remove the parameter it will also fail if the regular execution policy is set to Restricted. But Puppet is quite hard to learn. "Unless" statements work like reversed if statements. Puppet is about describing state and making sure things only have to run once. exe /s "$ {timezone}"", unless => "cmd. 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. Something like this should work: - name: Get rabbitmq vhosts. Problem with "if" is that it expects the file on the puppet server not on the client. However, this manifest will exec the command every time the puppet client checks in with the puppet master. e. g. sh', } Keep in mind that puppet is for enforcing the state defined in the manifests rather than running chains of. The issue isn't that the package doesn't install, but rather that apt automatically starts the. If invoked by a. 1. 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. 1. TJL. The onlyif parameter is defined as. I am trying to run a Powershell command directly using Puppet exec resource instead of specifying path to the Powershell script. loki77. To use commands with pipe |, you must use the shell builtins work around with cmd. It is a limitation of the underlying system. Yet when I run puppet agent -td I see that the puppet agent IS executing pkill -SIGQUIT mysqld; sleep 5; systemctl restart mysqld. If executed as root, the lxc-info checks for the name among the root containers. The exit status when you run it directly and the exit status you expect it to return are irrelevant. ps1', } Puppet uses the same. Long answer The scheme you have in mind is not compatible with Puppet's master/agent paradigm. 1. The second one unzips it. 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. 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/. Note: Data sources can use the special lookup_options metadata key to request a specific merge behavior for a key. 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. Adds a new exec provider for executing PowerShell commands. Conditional statements allow you to write Puppet code that will return different values or execute different blocks of code depending on conditions you specify. It looks like you're having Puppet execute a shell script to perform the installation. Puppet File resource runs despite Exec unless. "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 ). if reason variable null or empty, halt with an explanatory message; Bash's -z conditional operator can catch both null and empty cases, including when the value is null on account of the variable not being set at all, but remember that it is evaluated after the command is fully expanded. exec { 'nagios-permissions': command => "/usr/bin/chown -R nagios:nagios $ {confdir}", onlyif. 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. I have two similar Exec[] in a class, both with the onlyif parameter, as you can see below. The Win32 APIs. unless => 'bash -c "test -d /home/user/tmp/new_directory"', Should work too. 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. Exec type's onlyif and unless in --noop documented. 163k 8 82 159. When something isn't builtin to file, I generally just to turn to an puppet exec declaration. Puppet is an open-source configuration management tool from Puppet Labs. 1. 4. And elsewhere you can add to the parameters for. } Puppet: Conditional exec using unless-option. If it always returns a false (non-zero) exit code then the two. So in. Without one of these conditions, the exec will run on every run of the puppet file which is generally undesirable. You are missing my points: (1) you need to establish what grep's exit status actually is when Puppet runs it. The generic way for "manually" creating a service in Windows is to use the sc. 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 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. 0. Platform Engineering. You might want to use the refreshonly parameter on your exec. 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. As best I can tell by reading the source code the "holdable" feature is fundamentally flawed. Valid options: String. The command should only be run as a refresh mechanism for when a dependent object is changed. This release documents the noop behavior of the onlyif and unless parameters of the exec resource. This module is particularly helpful if you need to run PowerShell commands but don't know the details about how PowerShell is. Provides integrated testing tools and a command line interface to help you. 1. The Puppet Design Philosophy Before we begin to explore best practices with Puppet, it’s valuable to understand the reasoning behind these recommendations. Juan. if statement, using expressions and facts. 7. I think this is due to how the PowerShell module calls PowerShell - it passes -ExecutionPolicy Bypass as part of the powershell. 0. user. I assume the default behavior of the parser is such that if it receives an array. exec. "Unless" statements work like reversed if statements. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platformsExpand. Writing some classes for cassandra, one of them is to align clustering settings using puppet exec etc. Puppet provides a built-in exec type that is capable of executing commands. 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. Like if statements, case statements choose one of several blocks of arbitrary Puppet code to execute. If it is possible to ensure the file to be a directory then that, too, probably would not play nicely with the effect of the Exec. exe /c java -jar foo. newtype (:yumgroup) do @doc = "Manage Yum groups A typical rule will look like this: yumgroup { 'Development tools': ensure => present, } " ensurable newparam (:name) do isnamevar desc 'The name of the group' end end. But it when I try it, it is. 0. Puppet noop When Executable does not exist yet. By setting the hiera value selinux::mode: 'enforcing', that will ensure SELinux is enabled (it will default to targeted mode on CentOS). Hot Network Questions To find rate of change of area of triangle when rate of change and value of length of base and height are 3cm/min, 5cm/min and 8cm,10cm respectively. config/autostart ]' is not qualified and no path was specified. Puppet Resources are the building blocks that puppet uses to model system configurations. How to pass multiple values in exec command resource in puppet? 0. 1. Execute installers from shared (samba) folder instead of copy it first to agent system does not solve the issue. exec { 'chage': path => '/usr/bin/', command => 'chage -d 0 askar', subscribe => File ['askar'], refreshonly => true, } } I then verified that after applying the refreshonly parameter , the. Autorequires: If Puppet is managing an exec’s cwd or the executable file used in an exec’s command, the exec resource will autorequire those files. Without one of these conditions, the exec will run on every run of the puppet file which is generally undesirable. This can be used with bash on Linux, but with the PowerShell provider , it can run PowerShell on Windows and Linux nodes as well. 0. command => '/path/to/script. 1 Unless issue with Puppet. Adds a new exec provider for executing PowerShell commands. Since Puppet 2. Puppeteer Script Works Local But Not On EC2 AWS. 0\powershell. 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. Is there a way to tell puppet to only execute command if one of the files does not exist? 1. But, only deploy the scripts when certain file exists, one that would only exist on the first puppet run after build. John. 0, to 5. 5. 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. Yes, you'd put a script into your modules path under a facts. Unless you are sharing with the world, you don’t need most. The exit status when you run it directly and the exit status you expect it to return are irrelevant. In this case specifying a directory is done by setting ensure to (unsurprisingly) directory. If none of the cases match, Puppet will do nothing and move on. 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. lst contents. If it would be sufficient to emit the message into the master 's log, then there is a set of functions for that purpose. How to ensure Service is restarted before commands from Exec resource execute? 0. Teams. exe -executionpolicy remotesigned -file C:\test. Manage local groups . Hot Network Questions tcpdump -vvv is not verbose enough In which situations or societies do people not take turns to. exe and specifying a file path in the command line, be sure to use backslashes. Puppet: Conditional exec using unless-option. 3. PUP-11199. I will show how these work in the example below. Usage. 6. The command parameter is the PowerShell code you want to run on your node. rb file or in the individual test files, and configure Puppet and Bolt for the testing environment. . 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. 2. Understand the syntax and function of the if, unless, case, and selector statements. If invoked by a normal user, it checks against the list of unprivileged containers stored for this particular user. 1', } Puppet supports if and unless statements, case statements, and selectors. Modules that are supported by Puppet, Inc. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. require means that the the resource passed to require must be applied before the calling resource. Commenting out or outright deleting the class declaration, as you have done, is the simplest and most universal method for ensuring that the class is not applied. I want to check if the file exists in the client. 1. sudo -u fred /usr/bin/echo "hola dan" Note that I used sudo -u in favor of sudo su -. There are a number of parameters you can set. 2. 2 Answers Sorted by: 6 test work for me at /usr/bin, so adding it to path could solve error. Default: Undefined. Basically, it makes it so you can use PowerShell Modules exactly like you use Puppet modules. Adds a new exec provider for executing PowerShell commands. #####unless Runs the exec, unless the command returns 0. Creating a directory is another task that is handled by the powerful and flexible file type. Create this file only if it does not exist, or Start this windows service unless it’s already running. Valid options: String. 2) that no other resource is set to 'notify' Exec ['command_two']. Sends an arbitrary message, specified as a string, to the agent run-time log. 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 will show how these work in the example below. Modules that are supported by Puppet, Inc. exec { 'mysql post cmd1': command => 'whatever', require => Mysql::Db['cosmed'], unless => 'command to check that this exec has been applied. Modules that are supported by Puppet, Inc. Puppet does not execute statements in linear order (as is the code written) unless you define some constraints. Try again and this time show the failure. problem, then do check at least these things: 1) that your 'unless' command is exiting with the expected return. I am struggling with how to pass a puppet variable through to powershell. you have no choice (to my knownledge) currently than to use the exec resource with creates + onlyif or unless directives. But this configuration does not detect when any of the configuration files have been modified outside of puppet. 3. exe invocation as the command. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. Puppet File resource runs despite Exec unless. Backslashes MUST be used in:. 7. What is Puppet? | How Puppet Works? | Puppet Tutorial For. So on a fresh installation, a refresh event will be received but the resource will. e. the unless attribute provides a condition. 0. Menu Log In List your. This style guide promotes consistent formatting in the Puppet language, giving you a common pattern, design, and style to follow when developing modules. It would be better to explicitly "exit 0" whenever you do not "exit 1". The setuid/setgid/sticky digit is also a. This allows you to do more complex task operations, such as. The Puppet exec resource has OnlyIf and Unless attributes which can be used to limit when the command is invoked; e. If I try creating it as my process user, I get permission denied. Modules that are supported by Puppet, Inc. 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. See full list on puppet. Puppet: 'creates' does not create. 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. Scripts file serving mount. You can also set variables within the manifest, which can change the. This tells Puppet to run aspnet_regiis. If you declare users as virtual resources , you can then use 'realize' or the collection syntax ( User <|. Here's an example: @user { 'foo': groups => ['somegroup'], membership => minimum, } Then realize that virtual user with then collection syntax: User <| title == foo |>. Is this the best way to do this?. 1. The command is only executed if the Guest account does not exist, as indicated by unless returning 0. First, change the require arrow to a notify arrow, from -> to ~>. Is there a way to tell puppet to only execute command if one of the files does not exist? 0.