Puppet running exec before other commands. ;) – ferventcoder. It would be better to explicitly "exit 0" whenever you do not "exit 1". The . Puppet Inc modules on the Puppet Forge are open projects, and community contributions are essential for keeping them great. 1. If none of the cases match, Puppet will do nothing and move on. if exec joins the domain, it should have an unless condition that tests whether or not the machine is part of the domain. 1 run Exec only if another Exec ran. supported. The Puppet “exec” resource allows users to run commands and scripts on nodes. exe; Backslashes only. How can I tell Puppet to stop a service on shutdown without keeping it running? 0. supported Adds a new exec provider for executing PowerShell commands. The Puppet “exec” resource allows users to run commands and scripts on nodes. The Win32 APIs define exit. 2 Handling names with spaces. 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. There are three main ways for an exec to be idempotent:Conversations. I have Puppet master 3. Sometimes I want to run a command one time on all servers, e. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. Tags. 1. Manage local groups . 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. (See the notes on refreshing below. 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. puppet agent -td --evaltrace --profile > agent_debug. How to set Powershell ExecutionPolicy via Puppet exec command with unless property on Windows? 1. Puppet Development Kit. Now that Puppet is installed and ready to run, it’s time to create a Puppet configuration. where read = 4, write = 2, and execute/search = 1. Getting started. Modules that are supported by Puppet, Inc. Right now I have: exec { 'first command': command => "some command" path => '/usr/bin', notify => Exec ["second command"], } exec {. Modules that are supported by Puppet, Inc. e. Puppet provides a built-in exec type that is capable of executing commands. 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. 2. if statement, using expressions and facts. 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. 1', } Puppet supports if and unless statements, case statements, and selectors. Only supported on Windows Server 2003 and above, and Windows 7 and above. 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. 7. Puppet File resource runs despite Exec unless. Menu Log In List your. 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. Puppet’s behavior when declaring or assigning a class with both styles is undefined, and will sometimes work and sometimes cause compilation failures. Resource default for the exec type A resource default statement set default attribute values for a given resource type. . I would like to simply set a few environment variables in the . 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. Puppet strange behaviour of execs. Hot Network Questions Is source of space-time curvature necessary?All groups and messages. You can set different levels of permissions for different users or groups, allowing them to read, change, or even delete. 12, but from 5. To run an exec task, use the task command, specifying the command to be executed. onlyif and unless in --noop documented. Description. The commands in an Exec resource either have to be fully qualified (i. Alternatively, if that is valid, call the prior script through the latter's onlyif or unless parameter, instead of as its own exec resource. 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. 163k 8 82 159. Visit Stack ExchangeYes, you'd put a script into your modules path under a facts. I will show how these work in the example below. Alternative 1: create a bash script: ugly Exec resources and temp files. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. 0. Machines receiving task requests must have SSH or. refreshonly => true on an Exec resource requests that its command be run only in the event that the resource is refreshed. Note also that Exec has other parameters that can lead to instances being applied successfully without their commands being run. This can be used with bash on Linux,. 1. The command parameter is the PowerShell code you want to run on your node. Bolt docs. 6. When evaluated, these tagged expressions can modify text in the template. Plans are sets of tasks that can be combined with other logic. 1. Puppet includes two Ruby APIs for writing custom functions. They take a Boolean condition and an arbitrary block of Puppet code, evaluate the condition, and if it is false,. My notes on how to make it work for complex multi-exec configurations. This will not work because the Package resource type does not have an 'unless' parameter -- that's a feature specific to Exec resources. Over the years of using puppet I've noticed that people often come up with the same kind of. 0 through 3. How to set Powershell ExecutionPolicy via Puppet exec command with unless property on Windows? 1. 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. Here is my code (Puppet): exec { 'Download mediawiki to temp': cwd. 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 '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. Puppet File resource runs despite Exec unless. Puppet File resource runs despite Exec unless. This is where refreshonly backfires rather terribly. exe /s "$ {timezone}"", unless => "cmd. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. 3. This consistency in code and module structure makes it easier to update and maintain the code. 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. You can create relationships between resources or groups of resources using the -> and ~> operators. There's a generalizable form of this dependency that might be helpful in reducing the repetition of the require statement. e. Puppet File resource runs despite Exec unless. jar file is actually an update for an application which is running as a service. How to pass multiple values in exec command resource in puppet? 0. , unless you really intend to resolve that path against the working directory. – tom. You may need to reboot the system after enabling if SELinux was. service. Then, you can install the Nuget package via the package resource in Puppet. They take a control expression and a list of cases and code. puppet seems to execute the command in a way that means it never runs successfully. All groups and messagesConditional execution of puppet defined resource type through exec. The exec resource from Puppet, the automation framework, is a mysterious beast. If you remove the parameter it will also fail if the regular execution policy is set to Restricted. Plans. The Windows module pack is a group of modules available on the Forge curated to help you complete common Windows tasks. This can have severe impacts to the machines, especially if security settings are defined in a wrong way. ), and can log the child process output and exit status. 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. (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. Puppet Exec resource to apply only when a File changes. Puppet exec unless doesn't appear to work how I expect. #####unless Runs the exec, unless the command returns 0. 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. rb in the Puppet source code. user. Puppet runs executed on multiple external systems. Examples An if statement evaluates the given condition and, if the condition resolves to true, executes the given code. Learn more See the exec documentation for the command, unless, and onlyif. In your case, the Exec is always successfully applied. However, the problem with the exec is that it is not idempotent. First I would like to use booleans as defined in Hiera [ auto lookup function ]. This differs from some other languages where looping constructs are special keywords. Execute create_resource after everything has finished or after exec has finished. properties. telnet < puppetmaster ip address dns name> 8140. Note that the example uses the unless parameter to make the resource idempotent. txt –Value “Hello”’, logoutput => true, provider => powershell, } } The three parameters I use in this manifest are command, logoutput and provider. Puppet strange behaviour of execs. Puppet File resource runs despite Exec unless. ) I am running Puppet v3. exec { 'foo': command => "/bin/bash -c 'source /etc/profile;. See “Case Matching” below for details on how Puppet matches different kinds of cases. loki77. 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. gz packages are copied to the remote systems during every puppet run, while these files where removed after installation and software has been. d/ Prevents Puppet from considering. puppet exec returned 1 instead of [0] 1. exe utility (note the space after and lack thereof before the = character): exec { "install_service" : command => "$ {Sys32}sc. execute update-grub, which would look for avaliable kernels and would add related configs to the menu. 2. What is Puppet? | How Puppet Works? | Puppet Tutorial For. The one thing the exec doesn't need to do is put the service in a started state. exec { 'mysql post cmd1': command => 'whatever', require => Mysql::Db['cosmed'], unless => 'command to check that this exec has been applied. This can be used with bash on Linux, but with the PowerShell provider , it can run PowerShell on Windows and Linux nodes as well. Puppet can run binary files (such as exe, com, or bat), and can log the child process output and exit status. See the Puppet Type Reference for the exec resource and look for unless and onlyif. Modules that are supported by Puppet, Inc. at deployment time, but figured it would be best to have Puppet manage it. Tim Gosley’s four decades in puppetry include a wide spectrum of projects. wow! My recommendation is: throw it away and start over. Connect and share knowledge within a single location that is structured and easy to search. 2. You can use Puppet variables in an EPP template to customize its output. 0. Hot Network Questions Cause-effect definition of fictitious forcesAdds a new exec provider for executing PowerShell commands. d/pgsql. 0. 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. This runs the first-exec, and unless /var/exists it runs the second-exec. Scripts file serving mount. The setuid/setgid/sticky digit is also a. -- Peter Bukowinski. When using Puppet APIs to load file content and metadata, you can access files in the scripts/ directory of a module using the scripts file mount. Puppet avoids destroying directories unless the force attribute is set to true. The onlyif and unless. In a particular project, I have a lot of Puppet exec resources with pipes. 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. This release documents the noop behavior of the onlyif and unless parameters of the exec resource. The file will be generated in the directory you're currently in, unless you specify otherwise. He just built and performed the lead puppet for a Toronto television pilot. escape. 7. In conjunction with Facter, which makes details of a machine available as variables. You can also set variables within the manifest, which can change the. ##Limitations. The command should only be run as a refresh mechanism for when a dependent object is changed. The issue is, while first two are correctly executed under "user", third command is executed in. Explanation Sometimes a simple creates isn't enough to determine if an exec should run or not. Adds a new exec provider for executing PowerShell commands. 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. exe -ExecutionPolicy ByPass -command "here any command on powershell ""} On Thursday, October 9, 2014 4:22:14 PM UTC-3, Paul Ponzeka. If the query specified in the unless parameter returns one or more records, the main statement is skipped. Secondly I would like to use booleans from a bash script running diff <() <(). Puppet exec unless doesn't appear to work how I expect. I have a script that really only needs to be run one time on a server, i. config/autostart ]' is not qualified and no path was specified. Puppet exec unless doesn't appear to work how I expect. ##Limitations. Adds a new exec provider for executing PowerShell commands. Another way to control an exec resource is to add a refreshonly => true attribute. The issue isn't that the package doesn't install, but rather that apt automatically starts the. That will run every time puppet runs. 0. This allows you to do more complex task operations, such as. 3. service ntpd stop ntpdate ntp3. (2) it is unclear from your description whether the Exec's command is actually run (vs. The Puppet Design Philosophy Before we begin to explore best practices with Puppet, it’s valuable to understand the reasoning behind these recommendations. refreshonly => true on an Exec resource requests that its command be run only in the event that the resource is refreshed. The code that creates the container is executed unless the following test if the container exists succeeds: lxc-info -n ${lxcname} >/dev/null. 2 but are only using architecture-appropriate. 1. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. Sorted by: 0. The commands in an Exec resource either have to be fully qualified (i. I'm not sure what the problem is, and I need more information. I am currently learning puppet, and I am attempting to have an exec that will notify another exec but only if the first exec is succsfull. # Setting Powershell Execution Policy to unrestricted exec { 'Set PowerShell execution policy unrestricted': command => 'Set-ExecutionPolicy Unrestricted', unless. The command should only be run as a refresh mechanism for when a dependent object is changed. Puppet: Exec from class when Exec from another class is successful. 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. The second one unzips it. If /etc/init. I will show how these work in the example below. You should never use this API unless you absolutely must support Puppet 3. Please qualify the command or specify a path. And after that, run puppet agent with pluginsync enabled, and you can use custom type like this:. txt –Value “Hello”’, logoutput => true, provider => powershell, } } The three parameters I use in this manifest are command, logoutput and provider. exec power shell script having corrective action every time. The service will detect it is not running and start itself if required. cmd', provider => windows, subscribe => File ['folder_a'], logoutput => true, refreshonly => true, # Add this line. 1. Shell built-ins. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. Hot Network Questions tcpdump -vvv is not verbose enough In which situations or societies do people not take turns to. Validate your manifest with puppet parser validate. To use sudo non-interactively, the invoking user needs a NOPASSWD: entry in sudoers %wheel ALL=(fred) NOPASSWD: /usr/bin/echo "hola dan" Then. The exit status when you run it directly and the exit status you expect it to return are irrelevant. Based on that documentation, a when statement was added: - name: add vhost sensu command: rabbitmqctl add_vhost /sensu when: rabbitmqctl list_vhosts | grep sensu. Create exec resources with metadata to ensure it is idempotent. String comparison using in doesn't work with unless. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. Your exec will run only if pgrep returns 0. e. h ), and the sub-processes it spawns. Classes are named blocks of Puppet code that are stored in modules and applied later when they are invoked by name. g. 0 a new feature "relationship syntax" was introduced. ), and can log the child process output and exit status. If the path isn’t set, you must fully qualify the command’s name. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. After changing topology strategy, cassandra should rebuild keyspace - this is where puppet comes. In Puppet, when using the exec resource, you can specify an "unless" attribute. Sometimes a simple creates isn't enough to determine if an exec should run or not. 0 Output on one command cause next one to fails. Puppet 3 is no longer supported, but we. Puppet - How to purge a directory. 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. <%= EXPRESSION %> — Inserts the value of a single expression. The way I check this is if the gopher user has the default uid of 13. Aside from being good. 6. Puppet: deploy file unless it exists. 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. log. Provides integrated testing tools and a command line interface to help you. That command will always return 0 (true): it just tests whether the given string is nonempty. require means that the the resource passed to require must be applied before the calling resource. When I apply the manifest for the first time, it works correctly. 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. How do you configure a Puppet exec to execute another command as part of onlyif. In your case, it sounds like you want the exec to run only when your file changes. 0. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. Adding a / to the end of a file name isn't enough to tell puppet to. Topics. But Puppet is quite hard to learn. 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. Modules that are supported by Puppet, Inc. So in pseudocode: IF postfix is installed DO touch /tmp/wehavepostfix DONE. Adds a new exec provider for executing PowerShell commands. So on a fresh installation, a refresh event will be received but the resource will. 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. This can be used with bash on Linux,. The risk of course is that Puppet runs more than once in that hour, e. 1 Unless issue with Puppet. Yet when I run puppet agent -td I see that the puppet agent IS executing pkill -SIGQUIT mysqld; sleep 5; systemctl restart mysqld. Purging resources in Puppet requires two conditions: a type which supports listing instances (at least one provider has a self. 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. 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 File resource runs despite Exec unless. And elsewhere you can add to the parameters for. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. Modules that are supported by Puppet, Inc. I am trying to use code like this: exec { 'example':. Puppet: 'creates' does not create a new file. On reboot, the directory doesn't exist, strangely enough. To run tasks with Puppet Bolt, Bolt 1. Generally speaking, details of machines' current state on which Puppet is to base decisions about the contents of that machine's catalog must be communicated to the. 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. . 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. So having Puppet do it automatically will help with that. It's important to note that the notify resource type is not idempotent. Puppet running exec. Puppet exec unless doesn't appear to work how I expect. Check your syntax by entering puppet parser validate c:\myfiles\file. Ben is the Community and DevRel lead at Puppet, where he's been scared by production Puppet code for the last decade. Teams. ps1', } Puppet uses the same. silent way to import registry file via puppet module. exe invocation as the command. Similarly, we can use unless, unless execute the command all the time, except the command under unless exits successfully. Puppet: exec onlyif value is not equal. All modules; Supported modules; Modules with tasks; Contribute. 2. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platformsExpand. My concept is Execute the script if the output from az --help give nothing (which mean there's no Azure install)Puppet exec unless doesn't appear to work how I expect. Puppet have a defined resource fail if a variable is set to undef. EPP has two tags for Puppet code, optional tags for parameters and comments, and a way to escape tag delimiters. 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. sh', onlyif => systemctl service_trendmicro, # which system should return. exec {'rename-guest': command => '(Get-WMIObject Win32_UserAccount -Filter "Name='guest'"). As long as the file / directory specified in creates exists puppet won't run the exec. This page provides a reference guide for Puppet 's built-in types: package, file, service , notify, exec, user, and group. rb instead of including them in the individual test files. 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?. I think this is due to how the PowerShell module calls PowerShell - it passes -ExecutionPolicy Bypass as part of the powershell. 1 Answer. Adds a new exec provider for executing PowerShell commands. Executables, zips and or tar. Thus, a package can not both be installed at a particular version and marked held using dpkg. Chaining arrows. Puppet Exec tag onlyif troubles. And, since that file will no longer exist after the first reboot, subsequent puppet runs would NOT deploy these 2 scripts unless the host was rebuilt. Larger exit codes on Windows can behave inconsistently across different tools. 0. 2. Puppet exec command runs in shell, but not via puppet. Problem with "if" is that it expects the file on the puppet server not on the client. 0. 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. 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. 0. exe -NoProfile -NoLogo . For detailed information about built-in types, see the Resource type reference. } @choover Unfortunately that won't work. Writing some classes for cassandra, one of them is to align clustering settings using puppet exec etc. How do I make a puppet class dependent on all of the resources it defines? 1. The --debug flag enables verbose logging. Default: Undefined. Puppet is about describing state and making sure things only have to run once. '". By using find to execute whatever commands you mean by "manage files" you should be able to accomplish your goal. {"payload":{"allShortcutsEnabled":false,"fileTree":{"manifests":{"items":[{"name":"fcontext","path":"manifests/fcontext","contentType":"directory"},{"name":"boolean. 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 can run binary files (such as exe, com, or bat), and can log the child process output and exit status. 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. I want to check, if a given string is inside an array and if it isn't, I want to execute the code inside. Include-like behaviorAll groups and messages. You can use expressions almost anywhere a value is required. You can use onlyif, unless, creates and refreshonly to manage the case when you want the command to execute. 0 on RHEL 6 and am doing package management via the exec resource. exec { ‘SETHELLO’: command => ‘Add-Content -Path c: est. Writing some classes for cassandra, one of them is to align clustering settings using puppet exec etc. Explanation. domain. One thing that you can do (and I don't recommend) and that is not "puppet way" is following:If you want to specify to take a given action if file exists, if file doesn't exist etc. “Unless” statements Syntax Behavior Conditions Case Statements Syntax Behavior Selectors Location Syntax Behavior Expand Conditional statements let your Puppet. 0. e. Is this the best way to do this?. 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. exe /C tzutil.