0. 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. 2. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. Usage. But that's ok, because Puppet also tracks a queue of resources. group. Modules contain Puppet classes, defined types, tasks, task plans, functions, resource types and providers, and plug-ins such as custom types or. This can be used with bash on Linux, but with the PowerShell provider, it can run PowerShell on Windows and Linux nodes as well. Parameters. Whether (and how) file content should be backed up before being replaced. (Puppet automatically creates a local filebucket named puppet if one doesn’t already exist. (To take an example from Windows, you would use "wuauserv" rather than "Automatic. puppet apply -e "exec { '/usr/bin/false': }" Notice: Compiled catalog for alexs-macbook-pro. Start the Puppet agent with this command puppet resource service puppet ensure=running. If set to a string beginning with . password is not getting changed to the default password and also. (Puppet automatically creates a local filebucket named puppet if one doesn’t already exist. Connect and share knowledge within a single location that is structured and easy to search. Generally speaking, details of machines' current state on which Puppet is to base. Note that disabling SELinux requires a reboot to fully take effect. ) (See the notes on refreshing below. We can also define resource ordering in the following way as well. Puppet: How to execute a Exec resource if another Exec resource failed. exec; Exec tips and examples for Windows; file; File tips and examples for Windows. conf file is created; after the. Hot Network Questions Is there a permanent way to gain access to the Healing Domain as a Cleric whose deity doesn't include it in their portfolio?This means that when you use a resource default statement in a class, it could affect any classes or defined types that class declares. ) (See the notes on refreshing below. I can fix this manually. There is another metaparameter, subscribe. Puppet Exec Resource. However, if all you want is to. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. The command runs only if the file doesn't exist. I would like to simply set a few environment variables in the . Tip: Iteration functions take an array or a hash as their main argument, and iterate over its values. The manifest is the closest thing to what one might consider a Puppet program. ; Prevent Puppet from making changes, by setting the noop. For instance, in this example manifest, I want to run a PowerShell command that adds the string “Hello” to the contents of a text file (“C: est. 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. If a resource subscribes to another resource, then Puppet tries to "refresh" that resource if the resource it is subscribed to changes state. 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. The exec resource type executes external commands on the client. 2 and are. pp) file. Thank you. 7. We explore those in depth in Chapter 5. pp --ordering=random ). Classes generally configure large or medium-sized chunks of. I am trying to solve the issue with having the old server. Additionally, some resources like exec will support attributes that work like a conditional, but only accept a command output as condition. Puppet: Exec from class when Exec from another class is successful. Second: The order depends on a few things. Each resource describes some aspect of a system, like a specific service or package. This might prove disastrous. Include-like vs. In addition to the resource types included with Puppet, you can install custom resource types as modules from the Forge. on directory contents and subdirectories recursively. But that's ok, because Puppet also tracks a queue of resources. (See the notes on refreshing below. Largely self-explanatory. In this example, there is an array of command names to be used in each symlink’s path and target. Assuming your unspecified task is handled by an exec resource, you could design this in such a way that Puppet only ever regards the exec as out of sync once per day. This name is used to find the service; on platforms where services have short system names and long display names, this should be the short name. They usually do this. A String that can be converted to a floating point number can also be used in this version - but this is deprecated. ) (See the notes on refreshing below. 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. In this example, the title is C:Tempfoo. Creating resources. 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:. ps1 is 1. For example, you can: Add metadata to a resource with the alias or tag metaparameters. ; The vvalue before the : is the resource title. Each one is expected to specify. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. However, it is possible puppetry was also emerging in other. exec { 'foobar': command => 'foo | bar', } However, there are occasions where foo fails. But, it works with exec-resources, with refreshonly-parameter. Puppet Exec resource to apply only when a File changes. Run puppet exec command only if output file has changed. Puppet's if statement allows you to change the manifest behavior based on the value of a variable or an expression. A resource declaration is an expression that describes the desired state for a resource and tells Puppet to add it to the catalog. Resource defaults declared in the local scope override any defaults received from parent scopes. This can be used with bash on Linux, but with the PowerShell provider , it can run. 0. Service support unfortunately varies widely by platform --- some platforms have very little if any concept of a running service,. The implementation matches the full line, including whitespace at the beginning and end. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. You can, however, write several patterns that collectively match all the files. I am using vagrant with puppet to set up virtual machines for development environments. Defined resource types , sometimes called defined types or defines, are blocks of Puppet code that can be evaluated multiple times with different parameters. If a mount receives an event from another resource and its ensure. Each indirection type corresponds to a particular Ruby class (the “Indirected Class” below) and values are instances of that class. You are misundersanding how Puppet works. jar file is actually an update for an application which is running as a service. 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. Parameters. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. What you describe wanting to do looks vaguely like setting up an external fact. You will need to update your manifests to use the new parameter names. You must add a dummy exec-resource:Puppet ssl. To the best of my knowledge, there is no general-purpose mechanism in Puppet to make catalog application abort completely upon failure of a single resource, though such a feature has been requested before. There are a large number of built-in resource types and the Puppet 5. Modules that meet Puppet's standards for being well written, reliable, and actively maintained. 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. Providers implement the same resource type on different kinds of systems. Sponsor Open Source development activities and free contents for everyone. With metaparameters, you can change how Puppet handles specific resources. If a given resource is not in the desired state, Puppet takes whatever action is necessary to put. I am really struggling with this logic. Analyzing changes and failures. Additional resource types are distributed in Puppet modules. Exec resources do not work that way. Class to install post_transaction plugin. The Exec doesn't execute at all and I have noticed that a little later in the /var/log/messages there is. AttributesHow to pass multiple values in exec command resource in puppet? 7. (See the notes on refreshing below. 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. com to sign the CSR. To answer your original question, the right way to deploy applications with Puppet is to make Puppet do as little work as possible; any complicated exec resources that download and extract tarballs are bound to be very, very brittle, and making Puppet just yum install a package is much healthier long-run. Adapts the Puppet exec resource to run PowerShell Core commands. Declaring providers. How to apply resource only if content would change. It does not directly modify /etc/passwd or anything. Given that, you can use a lambda iterator on the hash. If you do need to do it via say the exec resource, then @16c7x's statement is correct. When this attribute is set, this resource is applied before the notified resources. This isn't how Puppet works. Puppet is an open-source configuration management tool from Puppet Labs. , needs installing) if so, trigger an action on resource B first (the exec for apt-get update)Pay extra attention to the “ exec { ‘change master’ : ” section, where it means a MySQL command will be executed to initiate the replication link if the condition is met. This example specifies defaults for the exec resource type attributes path , environment , logoutput , and timeout . Less common uses. In fact, no resource works that way, or any way remotely like that. According to the documentation in my example, the resource 'service x' will be executed if target resource require => Exec ['checkForFile'] is successfully applied. 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. Manages files, including their content, ownership, and permissions. You could use for instance (see reference doc)The last line tells puppet that I want the package resource executed first and the then execute my file resource. Every cron resource created by Puppet requires a command and at least one periodic attribute (hour, minute, month, monthday, weekday, or special). I want to execute a shell command/script using puppet only when a file exists in particular path. Exec resources do not work that way. exec resources We want Puppet to run a certain command directly using an exec resource. A complete service resource is very simple: service { 'mysql': ensure => 'running', enable. In most cases, managing sudo on your agents involves. 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. As a result, you cannot write a single pattern that matches all the files you want to remove. puppet exec command issue. Puppet - How to purge a directory. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. Parameters. Providers. source_fc. ). ) (See the notes on refreshing below. Note the following details in this file resource example: Puppet uses a basic syntax of type { title: }, where type is the resource type. 1 Answer. That means this approach checks the existence of /path/to/directory/. Create exec resources with metadata to ensure it is idempotent. It's important to note that the notify resource type is not idempotent. 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. Directory separators in file paths. The if condition is evaluated first and, if it is true, the if code block is. If you do need to do it via say the exec resource, then @16c7x's statement is correct. The commands in an Exec resource either have to be fully qualified (i. 0. ca Nature’s Garden Seed Company - Victoria BC, Phone 250-595-2062. Currently,. It's important to note that the notify resource type is not idempotent. Valid options: a string or an array, containing one or more Puppet URLs. Modules that meet Puppet's standards for being well written, reliable, and actively maintained. After the exec resource completes, we trigger a refresh of the firewalld service but with a subscribe attribute pointing to the firewall-cmd executable resource. With PE on the command line, run puppet task run exec command=<COMMAND>. Now create and edit your module’s init. I want to create a new file on a specific Puppet agent and store the output of a Linux command to the file. Adapts the Puppet exec resource to run PowerShell Core commands. You can read more about it here. see the Exec resource. You can optionally specify an instance name, and puppet resource will only describe that single instance. 0 (2016-07-21) Full Changelog. (See the notes on refreshing below. I want to execute an exec resource if a service is not found, skip the exec resource if the service is found. It requests a configuration catalog from a Puppet. Data type: Optional[String] the source file (either a puppet URI or local file) of the SELinux . How do I do this? Similar to referencing File['name']. You can get involved by fixing bugs, influencing new feature direction, publishing your modules, and engaging with the community to share knowledge and. ) An arbitrary tag for your own reference; the name of the message. Like “if” statements, case statements choose one of several blocks of arbitrary Puppet code to execute. They take a control expression and a list of cases and code blocks, and will. Manages mounted filesystems, including putting mount information into the mount table. 4+, your original code would be possible. Optional resource types for Windows. An "if" statement takes a Boolean condition and an arbitrary block of Puppet code, and executes the code block only if the condition is true. pwsh: Adapts the Puppet exec resource to run PowerShell Core commands. Define schedules for Puppet. This does not override the onlyif parameter. Puppet trigger resource only if other resource applied a change? Related. 2 install on Ubuntu 18. In general convert. In this case, my modules are located in C:modules, and the WSUS Client module is at C:moduleswsus_client. 0 on RHEL 6 and am doing package management via the exec resource. Catalogs. 1. Handling versions and upgradesPuppet contains resource types to manage some SELinux functions, such as Booleans and modules. Use the short service name (such as wuauserv) in Puppet, not the display name (such as Automatic Updates ). It can build a catalog from the manifest (e. 1. macOS handles services much like most *nix -based systems. It's important to note that the notify resource type is not idempotent. 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. log, depending on the flag used) to a Support ticket, making sure to remove any sensitive information. Puppet automates the delivery and operation of the software that powers some of the biggest brands in. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. Exec tips and examples for Windows; file; File tips and examples for Windows. The name of the resource must be the filename (without path) of the DMG file. To stop this behavior, ensure that you use explicit Exit statements in your PowerShell scripts. 5. exec power shell script having corrective action every time. ) A caution: There’s a widespread tendency to use collections of execs to manage resources that aren’t covered by an existing resource type. What I am trying to solve is this: Our server code (rails) is deployed as a tar file (puppet file resource), tar file is extracted (puppet exec) and database is migrated (puppet exec). Chapter 4. Let’s say you want to execute a command based on a fact. 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. The output shows lots of task names. The following example shows you how to create resources in Puppet using the low-level types and provider method. This shell then immediately terminates. It does not directly modify /etc/passwd or anything. Setting enable => true will assign a service the “Automatic” startup type; setting enable => manual will assign the “Manual” startup type. Description. Writing manifests in Puppet on Windows I've descovered a lot of bugs, this is very ragged tool on this OS. source_te. creates. The match operators =~ and !~ accept a data type on the right operand, and test whether the left operand is a value of that data type. If you are using Puppet 3. creates. approved. Puppet agent is a core service that manages systems, with the help of a Puppet primary server. 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. Puppet doesn't work that way - The earlier exec will have it's onlyif condition evaluated, not execute a command, and the file resource will happen after the exec, regardless of it executing the command. For instance, to rename the Guest account:. pwsh: Adapts the Puppet exec resource to run PowerShell Core commands. The . It must be either a local disk path or an HTTP, HTTPS, or FTP URL to the package. inheritance. try_sleep: number of seconds to sleep between retries. Directory separators in file paths. puppet agent -td -. Puppet has two main ways to declare classes: include-like and resource-like. (See the notes on refreshing below. 0. The built-in function assert_type takes a value and a data type, and raises errors if your code encounters an illegal value. pp) file. I have a class that executes a DSC resource, but required to wait for 20 seconds, before it executes it. But I can't get the list of all defined resources of this type to obtain the files I'm managing. Parameters change how Puppet manages a resource, but do not necessarily map directly to something measurable. te file. Write a module that contains a class called privileges to manage a resource that sets privileges for certain users. These are command. Alternatively, if that is valid, call the prior script through the latter's onlyif or unless parameter, instead of as its own exec resource. Behavior. First I would like to use booleans as defined in Hiera [ auto lookup function ]. refreshonly => true, } The important bit here is the ~> . You should use per-resource default attributes when possible. The default behavior is to report the exit code only for the last command in the pipeline. 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 very first concept we want to introduce you to is the Puppet manifest. In Puppet, resources are known as fundamental modeling unit which are used to manage or modify any target system. Containment is the relationship that resources have to classes and defined types, determining what has to happen before other things can happen. rabbitmq'] will be applied before . Online live training (aka "remote live training") is carried out by way of an interactive, remote. Default value: undef. jar file is actually an update for an application which is running as a service. There is always only one resource being applied, the next one will always wait for the previous to finish. Puppet can run binary files (such as exe, com, or bat ), and can log the child process output and exit status. The most common Puppet’s Resources are Listed below. This can be used with bash on Linux, but with the PowerShell provider, it can run PowerShell on Windows and Linux nodes as well. 11). If you remove the parameter it will also fail if the regular execution policy is set to Restricted. What you would need is a way to implement this process: check if resource A (a package, say) needs a sync action (e. 0 through 3. I want create_resources to be executed right after the exec resource. ) (See the notes on refreshing below. 10. Description. The generic way for "manually" creating a service in Windows is to use the sc. Your require parameter is only indicating that the exec resources should be handled before the file resources, not that their "return value" should indicate whether to create the resource or not. Data type: Optional[String] see the Exec resource. This action validates Puppet DSL syntax without compiling a catalog or syncing any resources. Conditional statements let your Puppet code behave differently in different situations. ) (See the notes on refreshing below. , such as . sudo -u fred /usr/bin/echo "hola dan" Note that I used sudo -u in favor of sudo su -. Run puppet exec on file update right from the first apply. on whatever server is used to compile the catalog, NOT on the host where the catalog is actually applied. To get started with the module,. This document provides instructions for getting started managing sudo privileges across your Puppet deployment, using a module from the Puppet Forge in conjunction with a simple module you will write. First: Puppet does not run anything in parallel. Specifies the destination file of the fragment. The provide method takes three arguments plus a block: The first argument must be the name of the provider, as a :symbol. ). Puppet will always (attempt to) apply every resource in the catalog it receives. In a resource declaration, the title is the identifier after the first curly brace and before the colon. 1 Answer. Any command in an exec resource must be able to run multiple times without causing harm --- that is, it must be idempotent. The very first concept we want to introduce you to is the Puppet manifest. ) Default value: puppet, which backs up to a filebucket of the same name. powershell: Adapts the Puppet exec resource to run Windows PowerShell commands. (See the notes on refreshing below. Containment is what controls the order in which the various parts of your Puppet code are executed. This module uses types and providers to download and manage compress files, with optional lifecycle functionality such as checksum, extraction, and cleanup. 1. Apart from all that, it is good practice with Puppet to actually deploy wrapper scripts that your exec. Puppet can run binary files (such as exe , com , or bat ), and can log the child process output and exit status. ) See full list on puppet. That is, if there is a change in 2 or more files, then the exec resource have to be called only once. This page provides a reference guide for the core Puppet types: package, file, service, notify, exec, cron, user, and group. 3. Data type: String. ) 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. Exec ['get-chocolatey'] -> Package<| provider == 'chocolatey' |>. So now I need to use the returned exit status of above exec resource Exec['check_kernel'] as a trigger to another exec resource Exec['reboot_node'], something like :. Installation. (Just tested similar configuration with Puppet 2. Returns the smallest Integer greater or equal to the argument. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. in. /usr/local/bin/pip install nltk. To answer your original question, the right way to deploy applications with Puppet is to make Puppet do as little work as possible; any complicated exec resources that download and extract tarballs are bound to be very, very brittle, and making Puppet just yum install a package is much healthier long-run. Whether (and how) file content should be backed up before being replaced. Use built-in Yumrepo resource type instead of Exec #10 (tux-o-matic) v0. In your command prompt, run: puppet resource registry_key 'HKLM\Software\Microsoft\Windows' Puppet's if statement allows you to change the manifest behavior based on the value of a variable or an expression. Puppet contains resource types to manage some SELinux functions, such as Booleans and modules. When I run puppet agent -t on my client it runs and recognises an Exec command which is triggered from a refresh event. Puppet variables are evaluated and used (only) as part of the catalog-building process, so their values are needed before any Exec runs. Interesting is that using Windows path for directories with spaces in eg. rb:I suspect the answer to your question was that they want you to use the `exec` resource. Exec to be notified if desired. There are a few other use cases documented in the README that are worth understanding; especially local caching to ensure you're not constantly fetching the file just to discard it if it hasn't changed. The creates parameter is probably not appropriate for this particular case, so choose one of unless or onlyif. After the set, all resources are in the state. Start the Puppet agent with this command puppet resource service puppet ensure=running. Puppet includes many core resource types, plus you can extend Puppet by installing modules. The best way how make decisions based on package version is to create a custom fact in some module lib/facter/apache_version. Puppet contains resource types to manage some SELinux functions, such as Booleans and modules. Optional resource types for Windows. A manifest file is a list of resources with a unique title and named attributes describing the desired state. Build relations to other resources that don't know about the resource in. It becomes your responsibility as the user to define the appropriate queries per resource. Puppet’s behavior when declaring or assigning a class with both styles is undefined, and will sometimes work and sometimes cause compilation failures. It would be quicker (and dirtier) to use an Exec resource to run an appropriate command: exec { 'ensure correct file permissions': command => 'chmod 0644 $(/bin/grep file. The source attribute is mandatory. Puppet ssl usage: puppet ssl <action> [--certname <name>] Possible actions: submit request: Generate a certificate signing request (CSR) and submit it to the CA. 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. For specific details about these types, see the resource reference. Note: These two behaviors should not be mixed for a given class. There is also a second puppet exec resource that uninstalls 7-zip, lets call it uninstall-7-zip. You can declare a resource of a defined type in the same way you would declare a resource of a built. NOTE: This page was generated from the Puppet source code on 2019-09-06 09:16:04 -0700 exec Attributes Providers Description Executes external commands. When Puppet runs, it applies the exec resource by running the command: command => '/bin/echo `/bin/date` >/tmp/output. A type is a definition of a resource that Puppet can manage. Your typical goal with Puppet is to build complete system configurations, which manage all of the software, services, and configuration that you care about on a given system. If the line is not contained in the given file, Puppet will append the line to the end of the file to ensure the desired state. The default is for resources to get applied. 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. It is also somewhat limited, like the acl module in that it is restricted to only what is specified. onlyif. To get started, install the module and declare 'powershell' in provider with the applicable. The Puppet “exec” resource allows users to run commands and scripts on nodes. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. I am poorly familiar with the puppet language but would guess something like this to execute the jar file: exec { 'jar_execution': command => 'cmd. 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). ). pp). (This is the preferred method for backup, since it can be centralized and queried. Implemented via types and provider instead of exec resource. This effectively means that if any resource or class forms a relationship with the container, it will form the same relationship. You can create relationships between two resources or groups of resources using the -> and ~> operators. The export has no effect. If a given resource is not in the desired state, Puppet takes whatever action is necessary to put. exec { "initialize-footool": require => Package ["footool"] } file { "/etc/default/footool": before => Exec ["initialize-footool"] } read more like english than just requires on the exec. name. You can also set variables within the manifest, which can change the. In fact, no resource works that way, or any way remotely like that. class { selinux: mode => 'enforcing', type => 'targeted', } This will include the module and manage the SELinux mode (possible values are enforcing, permissive, and disabled) and enforcement type (possible values are targeted, minimum, and mls ). Technically, Puppet's documentation says nothing explicit about the timing of resource refreshes. 2. bashrc'", subscribe => File ["/root/. As of Puppet 4. A stringified regular expression. While naming limitations vary by operating system, it is advisable to restrict names to the lowest common denominator, which is a maximum of 8 characters. 7. 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. The powershell module adapts the Puppet exec resource to run PowerShell commands. 1. The agent will then add the output of tar to the log. Resource relationship chaining arrows. To get started with the module,. In other words, I'm trying to manage the content of that directory fully.