. Resources are the fundamental unit for modeling system configurations. I want to execute a shell command/script using puppet only when a file exists in particular path. The values are of the same shape as those returned by get. Puppet agent. It must be either a local disk path or an HTTP, HTTPS, or FTP URL to the package. Iterative functions accept a block of code and run it in a specific way: each - Repeats a block of code. tries: number of times to try the exec. Conditional statements let your Puppet code behave differently in different situations. 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. Puppet is an open-source configuration management tool from Puppet Labs. A regex and content to replace a match with. 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. Puppet does however attempt to track whether a resource has changed state. The exec resource type executes external commands on the client. Refresh behavior varies by resource type: for example, services restart and mounts unmount and re-mount. This page provides a reference guide for the core Puppet types: package, file, service, notify, exec, cron, user, and group. 2 install on Ubuntu 18. You can use regular expression values with the =~ and !~ match operators, case statements and selectors, node definitions, and functions like. Other resources. require means that the the resource passed to require must be applied before the calling resource. Description. When validating multiple issues per file are reported up to the settings of max_error, and max_warnings. To ensure the resource is idempotent, specify one of the creates, onlyif, or. ) (See the notes on refreshing below. The benefits over existing modules such as puppet-staging: Implemented via types and provider instead of exec resource. If a given resource is already in the desired state, Puppet performs no actions. As a last resort, Puppet will attempt to search the process table by calling whatever command is listed in the ps fact. 17 also improves the way typed class parameters are checked. refreshonly not working with Puppet exec resource. Ancient Greece, sometime around the 5th. Writing manifests in Puppet on Windows I've descovered a lot of bugs, this is very ragged tool on this OS. This tool is a part of the policycoreutils-python package, which is not installed on Red Hat Enterprise Linux systems by default. ) The group name. All parameters are optional. You can, however, write several patterns that collectively match all the files. The built-in function assert_type takes a value and a data type, and raises errors if your code encounters an illegal value. If set to false, file content won't be backed up. puppet-service should be stopped only if file exists. ) (See the notes on refreshing below. Using the notify metaparameter we can tell a resource to signal another resource, often a file notifying a service, and cause it to refresh, which in the case of a service causes a restart. Run puppet exec command only if output file has changed. You can write resource types and providers in the Puppet language. group. The implementation matches the full line, including whitespace at the beginning and end. The RESOURCE_TYPE is how you tell Puppet the type of resource you’re declaring. name. The most common Puppet’s Resources are Listed below. Resource reference or data type. The changes parameter gets passed a hash of change requests, keyed by the resource's name. 7. Write a module that contains a class called privileges to manage a resource that sets privileges for certain users. Let’s say you want to execute a command based on a fact. execute the /bin/true command, if and only if the install path exists; and then it will secondly manage the server_backup_dir File resource. The require metaparameter declares only the order in which things occur, all other things being equal (and also prevents the second resource from being applied at all if the first one fails to apply). For detailed information about these types, see the Resource type reference or the other pages in this section. Running Powershell command directly using Puppet exec resource Ask Question Asked 6 years, 8 months ago Modified 6 years, 8 months ago Viewed 6k times. (To take an example from Windows, you would use "wuauserv" rather than "Automatic. Puppet ’s property support has a helper method called. If you need help troubleshooting, attach the output of your Puppet runs (and puppetserver. Puppet User and GroupRun puppet resource package to see a list of installed packages. 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. I'm trying to purge from that directory all things that haven't been defined in my puppet code. Several attributes, such as the relationship metaparameters, require resource references. But at this point I would settle for a solution !This is the documentation for Puppet's built-in resource types and providers. That is mediated, where desired, by the resource's unless, onlyif, and / or creates parameters, as described in that resource type's documentation. Puppet code contain RESOURCES that affect elements of the system (such as file, package, service, user, host, interface, exec etc…). In Puppet, resources are known as fundamental modeling unit which are used to manage or modify any target system. Within this file, add a block for a class called “lamp”, by adding the following lines: The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. notify. Additionally, some resources like exec will support attributes that work like a conditional, but only accept a command output as condition. Since Puppet 6, this resource type has been moved to the puppetlabs/yumrepo_core module. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. Expand Resources are the fundamental unit for modeling system configurations. The code for both firewall executable resources contains refreshonly ⇒ true and subscribe ⇒. Usage. Resources. But that's ok, because Puppet also tracks a queue of resources. There is always only one resource being applied, the next one will always wait for the previous to finish. Description. Classes are named blocks of Puppet code that are stored in modules and applied later when they are invoked by name. (2) it is unclear from your description whether the Exec's command is actually run (vs. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. To specify that a resource must. While the name of the cron job is not part of the actual job, the name is stored in a comment beginning with # Puppet Name: . 1 Answer. The most important point that I was trying to convey to you in my previous message was that Puppet does not use a mechanism anything like that to set up the environment for the Exec's commands. With PE on the command line, run puppet task run exec command=<COMMAND>. Several resource types (including file, exec, and package) take file paths as values for various attributes. This attribute works best as a resource default in the site manifest (File { backup => main }), so it can affect all file resources. Is there an easy way to do this with the content attribute?. Either variant works equally fine. 2 install on Ubuntu 18. ) party is actually right-wing/conservative?. Resource references identify a specific Puppet resource by its type and title. The set method updates resources to a new state. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. (See the notes on refreshing below. pp node 'puppet-agent' { include user include sudoers include exec } Run Puppet: Specify multiple resources as an array of references. This is especially useful when managing Windows systems. I am running Puppet v3. When Puppet applies a catalog to the target system, it manages every resource in the catalog, ensuring the actual state matches the desired state. In this case, the resource type is file. You can get involved by fixing bugs, influencing new feature direction, publishing your modules, and engaging with the community to share knowledge and. Refresh: service resources can respond to refresh events (via notify, subscribe, or the ~> arrow). My understanding is that if the second exec fails, the defined resource type should NOT be refreshed. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. puppet_pkgdmg_installed_NAME. I would like to simply set a few environment variables in the . Directory separators in file paths. It should probably be php::php5enmod () and have it's own file. ) A caution: There’s a widespread tendency to use collections of execs to manage resources that aren’t covered by an existing resource type. exe"", path. If a resource subscribes. Puppet File resource runs despite Exec unless. You should probably look at doing this some other way. ) (See the notes on refreshing below. 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; Share. Declaring resources. For example, we changed the Puppet manifest from the above to:To use sudo non-interactively, the invoking user needs a NOPASSWD: entry in sudoers %wheel ALL=(fred) NOPASSWD: /usr/bin/echo "hola dan" Then. How to apply resource only if content would change. To get started with the module,. This page provides a reference guide for Puppet 's built-in types: package, file, service , notify, exec, user, and group. , may gets updated during (yum). You should use per-resource default attributes when possible. Is there a better way of achieving this task ? Ideally, I would like to only use "file" and avoid using "exec". A manifest file is a list of resources with a unique title and named attributes describing the desired state. How do I do this? Similar to referencing File['name']. –Despite the -ExecutionPolicy parameter the PowerShell command will fail if execution is restricted via group policy. If you want to compile an nginx Debian package specific options or additions, I recommend using fpm-cookery. 1. In the minimal example above we first give the command a. is there a way how to ensure the reboot of the linux machine after puppet run? Can take advantage of reboot or shutdown -r commands and to typical patern resurce - subscribe pattern but that doesn't ensure that exec shutdown resource will be synchronized as a last one. Providers implement the same resource type on different kinds of systems. To complete our tour of the basic elements of a manifest, let's take a closer look at the resource types that you have already used, and some of the more import. Tip: Iteration functions take an array or a hash as their main argument, and iterate over its values. In this case, my modules are located in C:modules, and the WSUS Client module is at C:moduleswsus_client. The actual behavior depends on the value of the ‘ensure’ parameter. Start the Puppet agent with this command puppet resource service puppet ensure=running. There's a generalizable form of this dependency that might be helpful in reducing the repetition of the require statement. (See the notes on refreshing below. (Namevar: If omitted, this attribute’s value defaults to the resource’s title. Puppet Exec resource to apply only when a File changes. I want create_resources to be executed right after the exec resource. With respect to the update to the question, the key requirement for the Service to be refreshed before the Exec is applied is that there be an ordering relationship between the two, whether direct or transitive. Checking package version is relatively fast, while execution of custom script will prolong puppet agent run time. To make an exec resource fit into Puppet’s model better, you should use one of the following parameters instead. Exec resources do not work that way. 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. This style guide promotes consistent formatting in the Puppet language, giving you a common pattern, design, and style to follow when developing modules. Now create and edit your module’s init. In my puppet managed environment, one service needs to be restarted each time a file changes. Define schedules for Puppet. Sending troubleshooting information to Support. Parameters change how Puppet manages a resource, but do not necessarily map directly to something measurable. Puppet can execute binaries (exe, com, bat, etc. for a class, defined type, or host) and then you can write tests to verify the contents. Puppet ’s command line interface (CLI) consists of a single puppet command with many subcommands. This might prove disastrous. user. Now you will want to use the puppet apply command to execute the manifest. This style guide applies to Puppet 4 and later. do, line 50) cannot accept an array of options. The file itself is not under puppet's control but part of a package, i. File contents can be managed directly with the content attribute, or downloaded from a remote source using the source attribute; the latter can. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. What you present has no chance of working anything like how you intend. However, we need to execute the semanage command to manage port settings. No find command is run; the test just passes by examination of the argument. Description Manage running services. 0. ) See full list on puppet. Puppet: Exec from class when Exec from another class is successful. Fortunately, Puppet also allows users to change the provider used for the exec resource to PowerShell, so that Windows Puppet nodes will run PowerShell commands. If. Could someone please advice the best approach?It is used to enforce property values such as owner, mode etc. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. see the Exec resource. Conditional execution of puppet defined resource type through exec. Handling versions and upgradesPuppet contains resource types to manage some SELinux functions, such as Booleans and modules. However, we need to execute the semanage command to manage port settings. This can be used with bash on Linux, but with the PowerShell provider, it can run PowerShell on Windows and Linux nodes as well. The file resource uses the title to determine where to create the file on disk. Puppet trigger resource only if other resource applied a change? Related. Puppet can run binary files (such as exe , com , or bat ), and can log the child process output and exit status. When using exec resources with the powershell provider, the command parameter must be single-quoted to prevent Puppet from interpolating $(. – Felix Frank. I can fix this manually. disable_keys: Disables the requirement for all packages to be signed. -> (ordering arrow; a hyphen and a greater-than sign) — Applies the resource on the left before the resource on the right. It declares resources that define state to be. ). The Puppet “exec” resource allows users to run commands and scripts on nodes. Puppet can run binary files (such as exe , com , or bat ), and can log the child process output and exit status. 0. The provide method takes three arguments plus a block: The first argument must be the name of the provider, as a :symbol. Resources cover all the aspects of a system such as file, service, and package. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. This means that when you use a resource default statement in a class, it could affect any classes or defined types that class declares. Manages cron jobs on the puppet agents or clients. Puppet 6. 2. For example, you can: Add metadata to a resource with the alias or tag metaparameters. exe /c java -jar foo. century BC. Creating resources. For example:This means that you can allow other people access to the code, without access to the sensitive data in that code. Sections. However, when the user specifies auto_restart_service = false the service will still restart since the service resource is refreshed when the class is notified. Puppet and Windows handle directory separators and line endings in files somewhat differently, so you must be aware of the differences when you are writing manifests to manage Windows systems. txt. They are subtypes of the fairly abstract Resource data type. Welcome to the Open Source Puppet Sudo Users Quick Start Guide. This is useful for services like Nagios where a large number. In addition to the resource types included with Puppet, you can install custom resource types as modules from the Forge. There is also a second puppet exec resource that uninstalls 7-zip, lets call it uninstall-7-zip. te file. Optional resource types for Windows. This can be used with bash on Linux, but with the PowerShell provider , it can run PowerShell on Windows and Linux nodes as well. example. on whatever server is used to compile the catalog, NOT on the host where the catalog is actually applied. It's important to note that the notify resource type is not idempotent. As a last resort, Puppet will attempt to search the process table by calling whatever command is listed in the ps fact. , adding a search path for exec resources or controlling directory recursion on file resources). By default, Puppet apply does not communicate over the network. In general convert. pp --ordering=random ). If a given resource is already in the desired state, Puppet performs no actions. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. I don't think there's something built into Puppet. ), and can log the child process output and exit status. 0. 0 on RHEL 6 and am doing package management via the exec resource. Puppet File resource runs despite Exec unless. I am really struggling with this logic. But I can't get the list of all defined resources of this type to obtain the files I'm managing. Exec tips and examples for Windows; file; File tips and examples for Windows. log, depending on the flag used) to a Support ticket, making sure to remove any sensitive information. (Puppet automatically creates a local filebucket named puppet if one doesn’t already exist. exec { 'Task1': command => '/bin/long-running-task', timeout => 3600, } If this long running task fails or times out, it'd be optimal to get a notification of this failure. Additional resource types are distributed in Puppet modules. rspec-puppet is the standard tool for that level of verification. pp file. All parameters are optional. This is especially useful when managing Windows systems, because. Largely self-explanatory. In the Puppet language, there are never any values whose data type is one of these resource types. Note: You can add the sudo and privileges classes to as many agents as needed. Aug 30, 2021 at 16:58. This isn't how Puppet works. Q&A for work. Ensures that a given line is contained within a file. When using exec resources with the powershell provider, the command parameter must be single-quoted to prevent Puppet from interpolating $(. ) (See the notes on refreshing below. 'reluctantly': Only runs apt-get update if the exec resource apt_update is notified. After the set, all resources are in the state. Technically, you could use: exec { "root_bashrc": command => "bash -c 'source /root/. Puppet does not evaluate and execute the resources in the same sequence as they are defined. Valid options: 'always' (at every Puppet run); daily' (if the value of apt_update_last_success is less than current epoch time minus 86400); 'weekly' (if the value of apt_update_last_success is less than current epoch time minus 604800); 'reluctantly. For example, the user type’s managehome attribute is a parameter — its value affects what Puppet does, but the question of whether Puppet is managing a home directory isn’t an innate property of the user account. ; Prevent Puppet from making changes, by setting the noop. Some packages (Git is a notable example) will change their display names with every version released. Puppet contains resource types to manage some SELinux functions, such as Booleans and modules. conf", doesn't seem to be possible with file-resources. That means this approach checks the existence of /path/to/directory/. This also makes it easier to read related resources, instead of the long and complicated command being used in the package resources require property here: class messy_exec_relations { exec. 4+, your original code would be possible. Providers. Expand Resources are the fundamental unit for modeling system configurations. 2. Manage users. 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. For example, you can: Add metadata to a resource with the alias or tag metaparameters. Multiple resources may be declared to manage multiple lines in the same file. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. If the task fails (returns non zero), catching this is basically /bin/long-running-task || <err catching code>. But that's ok, because Puppet also tracks a queue of resources. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. Less common uses. 5. The . Default value: undef. Each resource describes the desired state for some aspect of a system, like a specific service or package. using the crayfishx-purge module. By default, you must at least provide a type to list, in which case puppet resource will tell you everything it knows about all resources of that type. (This is the preferred method for backup, since it can be centralized and queried. The command runs only if the file doesn't exist. If you want to indicate whether those. Each key and value is converted to a string using these rules. local. Modules that meet Puppet's standards for being well written, reliable, and actively maintained. Containment is what controls the order in which the various parts of your Puppet code are executed. creates. )Answer. Then you could add an unless attribute: unless => "test $(</var/tmp/last_run) == $(date +%d)"puppet resource package The motivation behind this is mostly performance. user. -> (ordering arrow; a hyphen and a greater-than sign) — Applies the resource on the left before the resource on the right. If omitted, this attribute’s value defaults to the resource’s title. txt. There is another metaparameter, subscribe. jar', } Should this be part of the manifest which could look like this? puppetlabs-registry is a custom type and provider, so you can use puppet resource to look at existing registry settings. 0. This type is mostly built to manage system users, so it is lacking some features useful for managing normal users. By default, you must at least provide a type to list, in which case puppet resource will tell you everything it knows about all resources of that type. Implemented via types and provider instead of exec resource. Puppet can execute binaries (exe, com, bat, etc. The . The very first concept we want to introduce you to is the Puppet manifest. powershell provider for the Puppet exec resource type - GitHub - unibonn/puppet-powershell: powershell provider for the Puppet exec resource typePuppet: How to execute a Exec resource if another Exec resource failed. One generally approaches such a question with a bit more precision, via one facet or another of resource relationships. A manifest is a file containing Puppet configuration language that describes how resources should be configured. Apart from all that, it is good practice with Puppet to actually deploy wrapper scripts that your exec. A puppet show is a great way to entertain the kiddos at your next event! Find the best puppet shows in Victoria, BC and request free quotes today. This is the default setting. This is just to show the general concept. Puppet ’s property support has a helper method called. on directory contents and subdirectories recursively. 0. Puppet Exec Resource. password is not getting changed to the default password and also. The roles and profiles method can help keep complexity under control and make your code more reusable, reconfigurable, and refactorable. Parameters. 8. In Puppet 3 this can be done by realizing virtual resources using resource collectors # so you don't have to fully qualify paths to binaries Exec { path => ['/usr/bin'] } # virtual resource @exec { 'sudo apt-get update': tag => foo_update } # realize resource. Puppet Exec Resource. Puppet running exec before other commands. Providers. (See the notes on refreshing below. pp. Teams. The agent will then add the output of tar to the log. 1. (See the notes on refreshing below. You can write your own Puppet code and modules using Puppet Development Kit (PDK), which is a framework to successfully build, test and validate your modules. If the exec resource apt_update is notified, apt-get update runs regardless of this value. Instead of using loop keywords, the Puppet language uses iterative functions that accept blocks of code called lambdas. , adding a search path for exec resources or controlling directory recursion on file resources). Each value is another hash with the optional :is and :should keys. You can declare a resource of a defined type in the same way you would declare a resource of a built. pp file: sudo vi lamp/manifests/init. exec { 'echo /my/update/script | at now+10min': } so that the puppet agent process is not the parent of the yum instance that will do all the work. A pair of curly braces ( { and } ) containing a <KEY> => <VALUE> string for each key-value pair, separated by a comma and a space ( , ), with no trailing comma. yum::plugin::post_transaction_actions. /usr/local/bin/pip install nltk. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. In general convert. 1. each loop and add subscribe and refreshonly, however, it seems rather inefficient to do that for each item. The exec has refreshonly => true, which only allows Puppet to run the command when some other resource is changed. Service['dev. If a given resource is already in the desired state, Puppet performs no actions. 0. The powershell module adapts the Puppet exec resource to run PowerShell commands. ) A caution: There’s a widespread tendency to use collections of execs to manage resources that aren’t covered by an existing resource type. notify. 2. See the filebucket resource type for more details. When running Puppet commands on Windows, note the following: The location of puppet. Description. You cannot, since the manifest is compiled into a catalog on the puppet master and then the catalog is sent to the agent, which can be on a different machine, and only then is the command defined by the exec run. 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. ) (See the notes on refreshing below. You can also set variables within the manifest, which can change the.