I am writing a bash script that will be run by puppet by an Exec resource (I know. 0. The if condition is evaluated first and, if it is true, the if code block is. Yes, see my example. d/ serves a special purpose, and your expectation for how it might be appropriate to use a file within is not consistent with that purpose. A Puppet master typically compiles a catalog from manifests of Puppet code. In this example, the ntp package must be installed before the ntp. Containment is the relationship that resources have to classes and defined types, determining what has to happen before other things can happen. creates whenever there is a file that will only exist after the command completed successfully orWhen using exec resources with the powershell or pwsh provider, the command parameter must be single-quoted to prevent Puppet from interpolating $(. puppet-service should be stopped only if file exists. 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. How to use puppet to install and configure custom app? 6. This can be used with bash on Linux, but with the. Puppet can run binary files (such as exe , com , or bat ), and can log the child process output and exit status. creates. Optional resource types for Windows. This is the documentation for Puppet's built-in resource types and providers. exec {. Make infrastructure actionable, scalable and intelligent. Let’s say you want to execute a command based on a fact. For example, the value String represents the data type of strings. pp) is the main file that Puppet uses to define global system configuration. It is messy and not best practice though. 0. They usually do this. Resources. Several attributes, such as the relationship metaparameters, require resource references. Puppet Exec Resource. For detailed information about these types, see the Resource type reference or the other pages in this section. A common workaround for this kind of issue is to manage the entity in question with two or more resources. I want to execute an exec resource if a service is not found, skip the exec resource if the service is found. The . The resources type fits basic needs, by allowing to purge all resources not managed by. Note that disabling SELinux requires a reboot to fully take effect. You are misundersanding how Puppet works. The creates parameter is probably not appropriate for this particular case, so choose one of unless or onlyif. exec. Puppet agent. For example, you can write a Puppet module to deploy an application, but you only know that Puppet did what you told it to, and not that the application actually successfully deployed. 1. 1. password is not getting changed to the default password and also. file { '/var/owner => 'recurse => true, } As a matter of fact, Puppet currently cannot automatically create all parent directories. Puppet is declarative - you tell it what state you want a system, and it goes and creates it. Follow. It applies the resource on the left before the resource on the right. Whether to manage the home directory when Puppet creates or removes the user. exec. They have some concrete uses though. Any command in an exec resource must be able to run multiple times without causing harm — that is, it must be idempotent. But that's ok, because Puppet also tracks a queue of resources. If a given resource is not in the desired state, Puppet takes whatever action is necessary to put. exec {'VeryLongExec': command => template ("$ {module}/verylongexec") } Then put the actual command in that template. You can use a file resource if you need to manually copy package files to the target system. Run puppetserver ca list which shows the CA signing request from. The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. txt. txt. You can declare a resource of a defined type in the same way you would declare a resource of a built. onlyif. exe -NoProfile -NoLogo -NonInteractive -Command "& {set-service Spooler -Status Running. It requests a configuration catalog from a Puppet. 0\powershell. 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. It must be either a local disk path or an HTTP, HTTPS, or FTP URL to the package. 1k 11 55 84 Add a comment 2 Answers Sorted by: 3 This expression essentially instructs Puppet to have any package resource require the "apt-update". This is just to show the general concept. Despite the -ExecutionPolicy parameter the PowerShell command will fail if execution is restricted via group policy. You can use these special values to examine a piece. I am trying to solve the issue with having the old server. First you construct the hash with your keys: I am running Puppet v3. Ports. Catalogs. 1 Answer Sorted by: 1 The pasted code isn't really valid Puppet code, it's hard to guess what it's supposed to do. d/x' is present. However, we need to execute the semanage command to manage port settings. Puppet resources have to succeed, there's no way to ignore errors. what does puppet do when a service's status fails? 1. Such trademarks are claimed and/or registered in. The external_nodes script receives the name of the node to classify as its first argument. 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. This can be used with bash on Linux, but with the PowerShell provider, it can run PowerShell on Windows and Linux nodes as well. 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 main thing you are after, "notify all the services that are subscribed to /etc/nova/nova. An exec type resource will generally be run on. This code leads to two possible orderings in time, X, Y, Z and X, Z, Y (try it a few times using puppet apply /tmp/code. ps1. (3) The details in Puppet's debug output may clarify the problem for us, everything. Several attributes, such as the relationship metaparameters, require resource references. In a particular project, I have a lot of Puppet exec resources with pipes. Several resource types (including file, exec, and package) take file paths as values for various attributes. 5. The interfaces to the various helper manifests has been changed to be more in line with Puppet file resource naming conventions. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. As suggested in comments a "correct" solution would. ) (See the notes on refreshing below. Service['dev. 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. ) (See the notes on refreshing below. Writing Manifests. 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. 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 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). yes I'm aware of the puppet modules, but at the time I was new with puppet that I felt trying to. What you describe wanting to do looks vaguely like setting up an external fact. (See the notes on refreshing below. The specific backend to use for this pg_exec resource. You can also set variables within the manifest, which can change the. Adapts the Puppet exec resource to run PowerShell Core commands. the code is working well with puppet apply, now when I am trying to write rspec test for the same, i am facing issues and getting failure messages. Puppet offers expert training in methods that work best for you. It should probably be php::php5enmod () and have it's own file. it must. But either way the trailing exit statement in the command will return a non-zero exit code if that happens. jar file is actually an update for an application which is running as a service. 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 ). (See the notes on refreshing below. Classes are named blocks of Puppet code that are stored in modules and applied later when they are invoked by name. Returns the smallest Integer greater or equal to the argument. This shell then immediately terminates. The Puppet “exec” resource allows users to run commands and scripts on nodes. This module appears to make use of the "unzip" command which gets executed via the exec resource. For detailed information about built-in types, see the Resource type reference. 8. It is also somewhat limited, like the acl module in that it is restricted to only what is specified. The provide method takes three arguments plus a block: The first argument must be the name of the provider, as a :symbol. e. Puppet can run binary files (such as exe , com , or bat ), and can log the child process output and exit status. This page provides a reference guide for the core Puppet types: package, file, service, notify, exec, cron, user, and group. Install the saz-sudo module as the foundation for managing sudo privileges. It is not ideal). All resource types (single-page reference) Core types cheat sheet; Optional resource types for Windows; augeas; Augeas tips and examples. Recall that Puppet builds a directed acyclic graph, and it computes the final ordering from traversing that graph. The file type can manage normal files, directories, and symlinks; the type should be specified in the ensure attribute. There is another metaparameter, subscribe. Puppet doesn't have all the pathing/env variables you're used to as a regular user, so you need to be. pp file. 0 on RHEL 6 and am doing package management via the exec resource. Create a defined resource type by writing a define statement in a manifest ( . The exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. Data type: Optional[String] the source file (either a puppet URI or local file) of the SELinux . If the resource type includes a namespace separator ::, then each segment must be capitalized. If omitted, this attribute’s value defaults to the resource’s title. 0. . Each resource describes the desired state for some aspect of a system, like a specific service or package. txt”) for my Puppet node. There are a few important parameters to use when writing an exec resource with PowerShell. When installing the packages from a DMG, this provider writes a file to disk at /var/db/. Meanwhile, the subscribe metaparameter i conjunction with refreshonly => true declares that the resource should be applied if and only if the. 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. 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. Note that the period defines how often a given resource will get applied but not when; if you would like to restrict the hours that a given resource can be applied (for instance, only at night during a maintenance. conf file is created; after the. . (See the notes on refreshing below. Do this with the user resource type’s purge_ssh_keys attribute: user { 'nick': ensure => present, purge_ssh_keys => true, } This will remove any keys in ~/. exec { "Change status and start-up of Win service": command => 'C:WindowsSystem32WindowsPowerShellv1. ; The vvalue before the : is the resource title. The PowerShell module uses a custom PowerShell host that ensures this data is cleared before each Puppet resource executes. 7. – Felix Frank. The exec type provides a simple way to run those commands via puppet (on the puppet client, not the master) and harness them in your modelling, whether as a dependency of another resource, an easy way to accomplish something puppet doesn't yet provide or as part of a gradual migration. in. But that's ok, because Puppet also tracks a queue of resources. 10. That is mediated, where desired, by the resource's unless, onlyif, and / or creates parameters, as described in that resource type's documentation. I think the unzip command belongs to info-zip. 0. ” There is also a set of values whose data type is “data type. (2) it is unclear from your description whether the Exec's command is actually run (vs. Create a defined resource type by writing a define statement in a manifest ( . approved. Yes, and yes. Puppet Server and Puppet ’s companion utilities Facter and Hiera, have their own CLI. --modulepath C:modules : As tasks are located in Puppet modules, we need to tell Bolt where the modules are located. local. Autorequires: If Puppet is managing the user’s primary group (as provided in the gid attribute) or any group listed in the groups attribute then the user resource will autorequire that group. 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. Behavior. That is, if there is a change in 2 or more files, then the exec resource have to be called only once. 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?So, in order to avoid this I am adding the refreshonly parameter as follows. txt. The most common Puppet’s Resources are Listed below. However, we need to execute the semanage command to manage port settings. sudo -u fred /usr/bin/echo "hola dan" Note that I used sudo -u in favor of sudo su -. ) (See the notes on refreshing below. The statement itself is simple but the class doesn't contain any built-in conditional checks (similar to "unless =>" in exec class). Providers. /usr/local/bin/pip install nltk. g. And as for the title of this question which I originally overlooked. Exec is a very useful resource type present in Puppet which is used to executes external commands. Puppet is about describing state and making sure things only have to run once. Expand Resources are the fundamental unit for modeling system configurations. ) (See the notes on refreshing below. It is possible to execute any commands by using exec resource, but it is not recommended because it is critical. Puppet Resources are the building blocks that puppet uses to model system configurations. 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. I'm trying to get a list of applied resources of a specific type to use their attribute values. 3 ones are listed in a single page here. A resource declaration is an expression that describes the desired state for a resource and tells Puppet to add it to the catalog. The Puppet “exec” resource allows users to run commands and scripts on nodes. The obvious drawback is that the exec will have to be tailored to your agents (what do you know - there's a point to Puppet's type system after. And the exec command will execute onlyif the file '/etc/init. If a given resource is already in the desired state, Puppet performs no actions. When running Puppet commands on Windows, note the following: The location of puppet. For what it's worth, I did downvote the question, as is called for for one that shows complete absence of research effort; someone else has upvoted it for no apparent reason. using the crayfishx-purge module. The exec has refreshonly => true, which only allows Puppet to run the command when some other resource is changed. The next step is to follow the. It also marks the resource as changed in the report; when you view Puppet Dashboard, you wonder why the servers have changed every 30 mins, even though the configuration of the server hasn’t physically. By default, an Exec resource is applied on every run. 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 exec has refreshonly => true, which allows Puppet to run the command only when some other resource is changed. The very first concept we want to introduce you to is the Puppet manifest. 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. exe -NoProfile -NoLogo . That means notify and require. Related. The powershell module adapts the Puppet exec resource to run PowerShell commands. Iterative functions accept a block of code and run it in a specific way: each - Repeats a block of code. One way or another, puppet has to know what to do. Write a module that contains a class called privileges to manage a resource that sets privileges for certain users. So what I'm doing with puppet is that I have all these scripts residing a directory, and I copy them over to init. If you want to use a non-default port, change the serverport setting on all agent. You must add a dummy exec-resource:This means that when you use a resource default statement in a class, it could affect any classes or defined types that class declares. To run an exec task, use the task command, specifying the command to be executed. Puppet exec command with variable not executed. Execute resource in Puppet if another resource fails. First I would like to use booleans as defined in Hiera [ auto lookup function ]. Like “if” statements, case statements choose one of several blocks of arbitrary Puppet code to execute. When Puppet applies the compiled catalog, it: 1. (See the notes on refreshing below. Notifications never propagate through another resource, even if they are in a chain of resources set to notify. If you want to add variables to your commands' (quite sparse) environments then the environment parameter of the Exec resource is usually the most appropriate way to do it, but you cannot use command substitutions there. If you're new to Puppet, we recommend the following resources to get you started: Learn Puppet. The manifest is the closest thing to what one might consider a Puppet program. name. The . It is also somewhat limited, like the acl module in that it is restricted to only what is specified. The default search pattern is the name of the service, but you can specify it with the pattern attribute. When writing Puppet manifests to manage Windows systems, there are two extra issues to take into account when writing file paths: directory separators and file system redirection. Each resource describes the desired state for some aspect of a system, like a specific service. Setting enable => true will assign a service the “Automatic” startup type; setting enable => manual will assign the “Manual” startup type. The Puppet exec resource has OnlyIf and Unless attributes which can be used to limit when the command is invoked; e. 2 and are. (Namevar: If omitted, this attribute’s value defaults to the resource’s title. 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. In practice, in current and historical versions of Puppet, if a resource is going to refresh then it will do so immediately after it is (or would have been) synced. I'm using puppetforge puppetlabs/apt module so I wish to notify the Exec['apt_update'] resource from that module. conf depends on whether the process is running as an administrator or not. 0powershell. It can replace or work in concert with the node definitions in the main site manifest ( site. As a result, notifications are shown as a change. For example, you can: Add metadata to a resource with the alias or tag metaparameters. From the earliest days of Facter to the latest version of Bolt, we’ve always been firm believers in the power of open source and welcoming community ecosystems. 'reluctantly': Only runs apt-get update if the exec resource apt_update is notified. Puppet will always (attempt to) apply every resource in the catalog it receives. They usually do this. Therefore, they should not be set outside of site. Follows 302 redirect and propagate download failure. With the exec resource type considered the last ditch, its refreshonly parameter should be seen as especially outrageous. 0. Normally in Bash I use echo and in a manifest I use notify. It is messy and not best practice though. Iteration functions. The main difference is that enable and ensure are much more closely linked — running services are always enabled, and stopped ones are always disabled. Resource defaults declared in the local scope override any defaults received from parent scopes. (To take an example from Windows, you would use "wuauserv" rather than "Automatic. Puppet can run. The behaviour changed between Puppet 3 and 4. Takes a single numeric value as an argument. Puppet file_line only if file exists. 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 master ip] puppetmaster puppet [puppet client ip] puppetclient I understand that remote-exec runs after the resource is created. The specific backend to use for this ora_exec resource. You can use the Events page to analyze the root causes of events resulting from a Puppet run. There are times when you have a complex script that you just need to get into configuration management. It becomes your responsibility as the user to define the appropriate queries per resource. But, it works with exec-resources, with refreshonly-parameter. This tool is a part of the policycoreutils-python package, which is not installed on Red Hat Enterprise Linux systems by default. This page provides a reference guide for the core Puppet types: package, file, service, notify, exec, cron, user, and group. 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). I have written a user define type which downloads a file using wget and stores in /root. I have a class that executes a DSC resource, but required to wait for 20 seconds, before it executes it. exe /c C:/test. As an example, you might use puppet to ensure that the nginx package is installed and running. But the exec resource have to be called only once. Puppet training is available as "online live training" or "onsite live training". Resource Types include things like: exec; file; group; host; interface; notify; package; scheduled_task; service; user. 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. Chapter 4. You can declare a resource of a defined type in the same way you would declare a resource of a built-in type. For example:. Additionally, some resources like exec will support attributes that work like a conditional, but only accept a command output as condition. I have the following puppet configuration: An Archive resource (A) that executes only if the folder /opt/dir doesn't exist yet; An Exec resource (E0) that mounts a SAMBA share where to retrieve the archive; An Exec resource (E1) that unmounts the same SAMBA share; At the moment, A requires E0 and when done, executes. There is also a second puppet exec resource that uninstalls 7-zip, lets call it uninstall-7-zip. Just as on *nix systems, Puppet manages resources on Windows using manifests written in the Puppet language. exec power shell script having corrective action every time. It basically means it will notify the exec when the file is deployed and that puppet will push the file before trying to execute it. Isolation is important, because changes that are made to things like. Refresh behavior varies by resource type: for example, services restart and mounts unmount and re-mount. I am trying to run a Powershell command directly using Puppet exec resource instead of specifying path to the Powershell script. Chaining arrows forming relationships between three resources, using resource references. bashrc'", subscribe => File ["/root/. notify. (Just tested similar configuration with Puppet 2. Let’s say you want to execute a command based on a fact. 2. ) (See the notes on refreshing below. specified as a string, to the agent run-time log. Exec; Execute commands from Puppet Manifests; Globally Set Exec Paths; Nicer Exec Names; Run exec if file is missing; Control when an exec should run; Control Execs output; Services; Ensure service is running; Start service on boot; Ensure service is stopped; Don't start service on boot; Restart service when config changes; Facts and Facter. And after that, run puppet agent with pluginsync enabled, and you can use custom type like this:. For example, to view the free disk space of a host, run: With. 0 through 3. ) The group name. See the filebucket resource type for more details. If you really care about the 80cols limit you can always abuse a template to achieve that goal. Execute puppetserver ca sign --certname puppet-agent1. As a result, notifications are shown as a change. 1 Answer. The default is for resources to get applied every time Puppet runs. Puppet is a tool you use to describe a state you expect the server to be in rather than a list of commands you want to run. This isn't how Puppet works. This page provides a reference guide for the core Puppet types: package, file, service, notify, exec, cron, user, and group. A manifest is a file containing Puppet configuration language that describes how resources should be configured. refreshonly. Puppet agent is a core service that manages systems, with the help of a Puppet primary server. An exec resource, which starts a powershell script, which starts a PowerShell process, which starts a CMD process, which runs a batch file (with an invalid path), which runs another batch file, which processes some kind of response file. ; Set limits on when the resource should be applied, by using relationship metaparameters like notify or require. selinux::fcontext. Directory separators in file paths. Puppet Exec resource to apply only when a File changes. A resource's title is a string that uniquely identifies the resource to Puppet. (↑ Back to package attributes)refreshonly => true, } The important bit here is the ~> . There are a few important parameters to use when writing an exec resource with PowerShell. txt', This command will write the following text to /tmp/output. Answer. The exec type provides a simple way to run those commands via puppet (on the puppet client, not the master) and harness them in your modelling, whether as a dependency of. 1. By default, Puppet apply does not communicate over the network. However, we need to execute the semanage command to manage port settings. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. Description. bashrc"], refreshonly => true, } However, as @womble already pointed out, there's no point in sourcing . If a resource subscribes. 1. Resource Type: exec; Using exec on Windows ; Resource Type: file; Using file on Windows. Inheritance is a process whereby a Puppet class can be derived from another class by using the inherits keyword. It sounds like this is exactly what you need:A key feature of Puppet is its idempotency: the ability to repeatedly apply a manifest to guarantee a desired resource state on a system, with the same results every time. Standard shell globbing in general and the Ruby globbing function that Puppet relies upon in particular do not have either sub-patterns or a pattern-level negation operator. Manages files, including their content, ownership, and permissions. Interpreting the output of the puppet apply command; Adding control. They usually do this. So, in order to avoid this I am adding the refreshonly parameter as follows. g. Refresh: service resources can respond to refresh events (via notify, subscribe, or the ~> arrow). We explore those in depth in Chapter 5. This is the documentation for Puppet's built-in resource types and providers. Resource default for the exec type A resource default statement set default attribute values for a given resource type. tar': cwd => '/var/tmp', creates => '/var/tmp/myfile', path => ['/usr/bin', '/usr/sbin',], } See full list on puppet. It's important to note that the notify resource type is not idempotent. That means this approach checks the existence of /path/to/directory/. Modules that meet Puppet's standards for being well written, reliable, and actively maintained. Puppet contains resource types to manage some SELinux functions, such as Booleans and modules. ) The state managed by an exec resource represents whether the specified command needs to be executed during the catalog run. user. 11). Your operating system and firewall must allow Puppet agent to initiate outbound connections on this port. Puppet provides tools to automate managing your infrastructure. group. 6 and Puppet Enterprise ≥ 2. There are three main ways for an exec to be idempotent:Puppet: How to execute a Exec resource if another Exec resource failed. A String that can be converted to a floating point number can also be used in this version - but this is deprecated. puppet exec command issue. One thing that you can do (and I don't recommend) and that is not "puppet way" is following:Making Puppet exec work The exec resource from Puppet, the automation framework, is a mysterious beast. I want create_resources to be executed right after the exec resource. You can use it to execute commands and shell scripts of your choosing, but there is an important caveat. Hot Network Questions Online shopping: order date vs shipping date vs charge date Recent advances in computer science since 2010? Useful ideas in category theory which violate the principle of equivalence Can I lessen the use of boolean flag variables in this snippet?. I'm trying to purge from that directory all things that haven't been defined in my puppet code. – Matthew Schuchard. (See the notes on refreshing below. The export has no effect. ), and can log the child process output and exit status. If you're using an older version, one way to achieve what you want to do without pulling down the entire Git repository would be to use the exec resource to fetch the file. So use this resource for specific case like when it receives events by using the refreshonly parameter. This is a typical antipattern in Puppet manifests. When Puppet applies a catalog to the target system, it manages every resource in the catalog, ensuring the actual state matches the desired state.