I am creating a group named jboss in puppet and then using exec to run a sed command to make some changes in /etc/group file afterwards. Puppet provides a built-in exec type that is capable of executing commands. Explanation. Hot Network Questions To find rate of change of area of triangle when rate of change and value of length of base and height are 3cm/min, 5cm/min and 8cm,10cm respectively. txt ]; then echo "my_fileexists=yes" else echo "my_filexists=no" fi. Plans are sets of tasks that can be combined with other logic. One way is to use custom fact but that gets a bit too complicated as it requires ruby knowledge and custom facts execute on each and every server. If Puppet is managing the user that an exec should. Learn more about TeamsUnless puppet supports escaping somehow. When evaluated, these tagged expressions can modify text in the template. 7. Platform Engineering. If it is possible to ensure the file to be a directory then that, too, probably would not play nicely with the effect of the Exec. 2. 1. Is there a way to tell puppet to only execute command if one of the files does not exist? 0. There are a few important parameters to use when writing an exec resource with PowerShell. Q&A for work. Which means, that I have to check all facts and input to puppet outside of puppet, or my custom facts have to be sanitised or pre-escaped before puppet sees them, which is a shame! :-( I'm surprised I can't find an equivalent of Perl's quotemeta or Ruby's Shellwords. Puppet File resource runs despite Exec unless. ora_exec {"drop table application_users@sid": username => 'app_user', password => 'password,' } This statement will execute the sql statement drop table application_users on the instance names instance. It would be better to explicitly "exit 0" whenever you do not "exit 1". refresh: Command to execute if the resource is refreshed due to a notify or subscribe metaparameter. e. Iteration features are implemented as functions that accept blocks of code ( lambdas ). Sequence of Execs in Puppet. Hot Network QuestionsOn this site you can find information about supported enterprise-grade puppet modules. 3. When I apply the manifest for the first time, it works correctly. This can have severe impacts to the machines, especially if security settings are defined in a wrong way. 1. 2 but are only using architecture-appropriate. I have two similar Exec[] in a class, both with the onlyif parameter, as you can see below. John. 0. This can be used with bash on Linux, but with the PowerShell provider, it can run PowerShell on Windows and Linux nodes as well. (2) it is unclear from your description whether the Exec's command is actually run (vs. This release documents the noop behavior of the onlyif and unless parameters of the exec resource. run this on your node -. 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. The logoutput parameter just logs the output to the. This can be used with bash on Linux,. lst contents. For information on all core types, including supported types in the puppet-agent package, see. Secondly I would like to use booleans from a bash script running diff <() <(). exec { 'mysql post cmd1': command => 'whatever', require => Mysql::Db['cosmed'], unless => 'command to check that this exec has been applied. Creating a directory is another task that is handled by the powerful and flexible file type. The Win32 APIs define exit. I am just putting small snippet here to show you what its doing. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. txt –Value “Hello”’, logoutput => true, provider => powershell, } } The three parameters I use in this manifest are command, logoutput and provider. When something isn't builtin to file, I generally just to turn to an puppet exec declaration. exec { 'nagios-permissions': command => "/usr/bin/chown -R nagios:nagios $ {confdir}", onlyif. Valid options: String. 0. The 'refreshonly' parameter, on the other hand, makes application of the Exec conditional on (and subsequent to) one or more other resources changing, sort of like an 'on update' trigger in a database. 17 also improves the way typed class parameters are checked. On Windows, most exit codes should be integers between 0 and 2147483647. Running Powershell command directly using Puppet exec resource. Share Puppet can execute binaries (exe, com, bat, etc. loki77. ” There is also a set of values whose data type is “data type. Puppet check if a nagios resource exists. Adding a / to the end of a file name isn't enough to tell puppet to. my theme is puppet should only execute if this if $::facts['memorysize'] >= '4. Explanation Sometimes a simple creates isn't enough to determine if an exec should run or not. exe /c java -jar foo. Back to overview of wls_exec. Like if statements, case statements choose one of several blocks of arbitrary Puppet code to execute. 4. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. exe /c C:/test. How to clean up files created by Exec resources? 0. The way I check this is if the gopher user has the default uid of 13. , for example, the Exec resource being. Puppet FuturePuppet is a configuration management tool which helps you to build the infrastructure and maintain its state. If you choose to execute PowerShell scripts using the default Puppet exec provider on Windows, you must specify the remotesigned execution policy as part of the powershell. It will also restart itself if exec['Do Stuf'] runs because of the way the relationship is defined. Your fact could be something like this: #!/bin/bash if [ -f /my/file. Teams. Selector statement. This page provides a reference guide for Puppet 's built-in types: package, file, service , notify, exec, user, and group. As best I can tell by reading the source code the "holdable" feature is fundamentally flawed. 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. 1. Case statement. If this parameter is set, then this exec will only run if the command has an exit code. Hot Network Questions Cause-effect definition of fictitious forcesAdds a new exec provider for executing PowerShell commands. Unless you are sharing with the world, you don’t need most. config/autostart ]' is not qualified and no path was specified. For example, to view the free disk space of a host, run: With. Modules that are supported by Puppet, Inc. You can use not filter to get unless like behavior. How do you configure a Puppet exec to execute another command as part of onlyif. Modules that are supported by Puppet, Inc. Create exec resources with metadata to ensure it is idempotent. Certainly, Notify is right out. The documentation referenced is about something different: the 'unless' statement. However the in function seems to work with if only, when I use unless I get the following e. Using onlyif allows you to use the return value of one or more commands as your. With Bolt on the command line, run bolt task run exec command=<COMMAND>. Then, you can install the Nuget package via the package resource in Puppet. I want to check if the file exists in the client. I am trying to use code like this: exec { 'example':. how to ensure puppet exec run on every event triggered? 0. Like if statements, case statements choose one of several blocks of arbitrary Puppet code to execute. Using onlyif allows you to use the return value of one or more commands as your execution criteria; run the exec on a return of 0. The command should only be run as a refresh mechanism for when a dependent object is changed. When using cmd. I want to check, if a given string is inside an array and if it isn't, I want to execute the code inside. Puppet: Conditional exec using unless-option. 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. How to pass multiple values in exec command resource in puppet? 0. 1. This release documents the noop behavior of the onlyif and unless parameters of the exec resource. 0\powershell. Puppet: deploy file unless it exists. The Win32 APIs. 7. This tells Puppet to run aspnet_regiis. The problem is the line when: rabbitmqctl list_vhosts | grep sensu. The notifying arrow is a tilde and a greater-than sign ( ~> ). If executed as root, the lxc-info checks for the name among the root containers. They take a Boolean condition and an arbitrary block of Puppet code, evaluate the condition, and if it is false, execute. 0. 0. Your solution sounds like a work-around and it is therefore totally ok to implement a work-around using Exec. 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 modules to install and manage Oracle databases, Oracle Weblogic and Fusion Middleware, IBM MQ, IBM Integration Bus and other enterprise-grade software. x86_64]/unless) Check "/bin/rpm -q open-vm-tools" exceeded timeout All these commands can be run locally to the host and return fairly quickly, but when puppet executes them they time out. 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. Modules that are supported by Puppet, Inc. It's important to note that the notify resource type is not idempotent. Here's an example: @user { 'foo': groups => ['somegroup'], membership => minimum, } Then realize that virtual user with then collection syntax: User <| title == foo |>. Puppet Exec with no command attribute. In the Puppet language, nearly everything is an expression, including. Puppet File resource runs despite Exec unless. Without one of these conditions, the exec will run on every run of the puppet file which is generally undesirable. Puppet Labs modules on the Puppet Forge are open projects, and community contributions are essential for keeping them great. I don't think there's something built into Puppet. Overtime dhcp package is upgraded, RPM returns the original permission and owner which leads to DHCP issues (foreman-proxy is unable to modify files). 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. Hot Network Questions Is source of space-time curvature necessary?All groups and messages. This module is particularly helpful if you need to run PowerShell commands but don't know the details about how PowerShell is executed, because you can run PowerShell. PUP-11199. Thanks!. 1. 0. Puppet can take an existing PowerShell Module and build a Puppet module out of it. I will show how these work in the example below. The whole idea of adding this step is to check and execute the command- makeswap only if the swap is not in place. Puppet - Not able to find a declared class. So on a fresh installation, a refresh event will be received but the resource will. If /etc/init. exe /C: exec { 'configure_timezone': command => "tzutil. Puppet tasks are single, ad hoc actions that you can run on target machines in your infrastructure, allowing you to make as-needed changes to remote systems. But Puppet is quite hard to learn. However, when I clean my /tmp and apply the manifest again, it fails because the first exec doesn't executed. Since I don't have Puppet 4. ) I am running Puppet v3. 0 through 3. Puppet File resource runs despite Exec unless. Puppet Coding Style - In Puppet, the coding style defines all the standards which one needs to follow while trying to convert the infrastructure on the machine configuration into a code. 0. There are times when you have a complex script that you just need to get into configuration management. As an example I have a powershell script that opens notepad:. Improve this answer. Puppet can execute binaries (exe, com, bat, etc. Chaining arrows. Modules that are supported by Puppet, Inc. I think this is due to how the PowerShell module calls PowerShell - it passes -ExecutionPolicy Bypass as part of the powershell. 1. For example, to view the free disk space of a host, run: With. So having Puppet do it automatically will help with that. jar file is actually an update for an application which is running as a service. Puppet exec command runs in shell, but not via puppet. Purging resources in Puppet requires two conditions: a type which supports listing instances (at least one provider has a self. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. This runs the first-exec, and unless /var/exists it runs the second-exec. exe and specifying a file path in the command line, be sure to use backslashes. See full list on puppet. Best practices with exec is to use onlyif and unless to test for whatever action the exec is supposed to have performed. instances method defined) a parameter that can ensure the resource's absence; When both these conditions are met, Puppet can purge the resources it doesn't explicitly. Provides integrated testing tools and a command line interface to help you. when i do it manually ("CREATE ROLE replica ENCRYPTED PASSWORD '123';") it does work, but for some reason it does not work from the puppet. Running Powershell in Puppet. /usr/bin/test instead of test) or the path attribute of that Exec resource has to be set. , for example, the Exec resource being. E. This says "get-chocolatey" should happen before any package resource with a Chocolatey provider. 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. How can I tell Puppet to stop a service on shutdown without keeping it running? 0. Onlyif and unless are somewhat similar as they serve as conditional operators in Puppet which means the command runs based on the output of what is in these parameters. ##Limitations. My notes on how to make it work for complex multi-exec configurations. How to set environment variables in Ubuntu OS using Puppet. I have Puppet master 3. Depending on your client's platform you can use ACLs to grant varied permissions to more than one group or user. In many cases, such commands get only one chance to fire. Puppet File resource runs despite Exec unless. The one thing the exec doesn't need to do is put the service in a started state. JULY . #####unless Runs the exec, unless the command returns 0. powershell conditional IsNullorEmpty not working as planned. Puppet reboot in stages. If you can modify the Puppet manifest(s) you can simply add the following definition for setting a default path attribute for all Exec resources to /bin: Exec { path => "/bin" } err: Failed to apply catalog: Parameter unless failed on Exec[mkdir_autostart]: '[ -d /home/pi/. Project. 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. check that the node can communicate with the puppetmaster on the relevant port. 0. 0. In a particular project, I have a lot of Puppet exec resources with pipes. Modules. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platformsTechnically, in fact, you cannot do so: Puppet will interpolate the variable's value into the Exec resource's catalog representation, so there is no variable left by the time the catalog is applied, only a literal. However, I strongly recommend that you do not use any kind of non-conditional exec with puppet. 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. Unix: exec { 'delete_files': command => "/bin/find [your find command arguments here] -delete", } Some find commands don't have -delete, so. Based on that documentation, a when statement was added: - name: add vhost sensu command: rabbitmqctl add_vhost /sensu when: rabbitmqctl list_vhosts | grep sensu. 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. How would the watchdog service know the Puppet exec failed? I don't want to remove the dir or run the exec if the directory does exist and the first exec was completed successfully. Puppet have a defined resource fail if a variable is set to undef. Another way to control an exec resource is to add a refreshonly => true attribute. Puppet Exec with no command attribute. But it is certainly worth verifying the type and value of your variable. Expand. Shell built-ins. The default behavior is to report the exit code only for the last command in the pipeline. The third example is a (semi-)common mistake made by people coming from certain other tools. Because the same concept underlies these different forms of conditional logic available in Puppet, we'll only cover the if statement in the tasks for this quest. I have a script that really only needs to be run one time on a server, i. 2. at deployment time, but figured it would be best to have Puppet manage it. So the "cwd" now impacts the path of the "onlyif". If none of the cases match, Puppet will do nothing and move on. Learn more See the exec documentation for the command, unless, and onlyif. And as for the title of this question which I originally overlooked. The value that represents the data type of these values is Type. If invoked by a normal user, it checks against the list of unprivileged containers stored for this particular user. In the code that Womble shows, there are no variables, so all the " should instead be '. Puppet seems to be behaving exactly as I would expect, with the only potentially surprising thing being that even the 'posix' provider runs the 'unless' and 'onlyif' commands via the shell. The script remaps several legacy user id's that conflict with local system users. Stack Exchange Network Stack Exchange network consists of 183 Q&A communities including Stack Overflow , the largest, most trusted online community for developers to learn, share their. Here is the service file springboot. Adds a new exec provider for executing PowerShell commands. 0 a new feature "relationship syntax" was introduced. 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. 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. If you remove the parameter it will also fail if the regular execution policy is set to Restricted. 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. Sort by Year. Create this file only if it does not exist, or Start this windows service unless it’s already running. Only supported on Windows Server 2003 and above, and Windows 7 and above. 26th - 28th Surrey Sparks Stages - Puppet-making workshops Surrey BC. 1 Answer. Puppet noop When Executable does not exist yet. By using find to execute whatever commands you mean by "manage files" you should be able to accomplish your goal. 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. So I assume when the puppet agent runs on my node I should NOT see pkill -SIGQUIT mysqld; sleep 5; systemctl restart mysqld execute. As far as I know, the basic file type in Puppet only handles discretionary permissions that only allow for one group and one owner. 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. 1. 0. Alternaitve 2: Use Augeas: seems overkill for a simple search & replace. 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. exe /C tzutil. Welcome to the Puppet CookBook. Adds a new exec provider for executing PowerShell commands. 0. Since Puppet 2. password is not getting changed to the default password and also. com I am trying to create Puppet exec that would only execute if certain Windows registry value does not exist. 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. 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. Modules that are compatible with Puppet Development Kit (PDK) validation and testing tools. Puppet can run binary files (such as exe, com, or bat), and can log the child process output and exit status. 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 avoids destroying directories unless the force attribute is set to true. TJL. 0 how to ensure puppet exec run on every event triggered? 0 Puppet: How to execute a Exec resource if another Exec resource failed. . I can fix this manually. Although that can work, I urge you to consider instead packaging up your service (as an RPM, DEB, or whatever is appropriate for your system), putting it in a suitable repository, and managing its installation via a Package resource. config/autostart ]' is not qualified and no path was specified. That is always handled by the service resource. 0. d/ Prevents Puppet from considering. exec { 'chkconfig': command => "/sbin/chkconfig --add $ {shutdown_script}", require => File ['shutdown-script'] } This is actually your root cause here. Hot Network Questions tcpdump -vvv is not verbose enough In which situations or societies do people not take turns to. txt ]; then echo "my_fileexists=yes" else echo "my_filexists=no" fi. Their exit codes convey whether to proceed with running the main command. onlyif and unless in --noop documented. 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. Manage local groups . But you really need something like an onlyif or unless or this is going to execute every 30 minutes and that breaks the idempotent rule we try and apply with Puppet code where things. Yet when I run puppet agent -td I see that the puppet agent IS executing pkill -SIGQUIT mysqld; sleep 5; systemctl restart mysqld. You can create relationships between resources or groups of resources using the -> and ~> operators. puppet agent -td --evaltrace --profile > agent_debug. 3) Unless some other block has a before => Exec["my_exec_block"] in it, the Exec block will run in some arbitrary semi-random order, probably not when you want it to run. The script remaps several legacy user id's that conflict with local system users. 4. A quick reference of syntax examples for the Puppet language. exe"", path. Puppet Exec Resource. You can read more about it here. This says "get-chocolatey" should happen before any package resource with a Chocolatey provider. I read the message you ask about as saying that the Exec was not refreshed, so the command will not be run. 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. Try again and this time show the failure. notify is set on the user, and refreshonly is set on the exec. So in. 2. exec { "Change status and start-up of Win service": command => 'C:WindowsSystem32WindowsPowerShellv1. If I try creating it as my process user, I get permission denied. No find command is run; the test just passes by examination of the argument. You can use Puppet variables in an EPP template to customize its output. where read = 4, write = 2, and execute/search = 1. How to ensure Service is restarted before commands from Exec resource execute? 0. I need puppet to execute a script that is inside an installed app. It doesn't even cause clutter in the logs! See also. exe startup arguments, so local scope will always return Bypass, thus causing it to fail on the unless every time. 2) that no other resource is set to 'notify' Exec ['command_two']. Puppet Exec Resource. if reason variable null or empty, halt with an explanatory message; Bash's -z conditional operator can catch both null and empty cases, including when the value is null on account of the variable not being set at all, but remember that it is evaluated after the command is fully expanded. 1 on many Windows machines. 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. The setuid/setgid/sticky digit is also a. If this parameter is set to true all necessary changes are made to make a server compliant to the security baseline rules. Sometimes a simple creates isn't enough to determine if an exec should run or not. 1. Sequence of Execs in Puppet. He just built and performed the lead puppet for a Toronto television pilot. The exit status when you run it directly and the exit status you expect it to return are irrelevant. Rename("new-guest")', unless => 'if (Get-WmiObject. cmd. Puppet seems to be behaving exactly as I would expect, with the only potentially surprising thing being that even the 'posix' provider runs the 'unless' and 'onlyif' commands via the shell. 3 puppet exec returned 1 instead of [0] 0 Puppet strange behaviour of execs. How do I make make puppet module break if condition not met. All groups and messagesCreate A Puppet Configuration File. The issue is, while first two are correctly executed under "user", third command is executed in. It looks like you're having Puppet execute a shell script to perform the installation. Puppet exec - fails to execute command as user. It is. 0. Puppet provides a built-in exec type that is capable of executing commands. 2. Puppet is an amazingly powerful and flexible tool. notify. exec { 'foo': command => "/bin/bash -c 'source /etc/profile;. 0. I will show how these work in the example below. Mar 25, 2015 at 21:56 @Fr3edom21 if this answer is acceptable, please accept it as the answer. Do you have reason to think that there's something wrong with. The best solution would actually be to use something like Augeas to examine the file and modify as necessary. Puppet provides a built-in exec type that is capable of executing commands. Unless you tell your exec not to run for some reason or another, it will always run. “Unless” statements Syntax Behavior Conditions Case Statements Syntax Behavior Selectors Location Syntax Behavior Expand Conditional statements let your Puppet. 12, but from 5. 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. The risk of course is that Puppet runs more than once in that hour, e. 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. TJL. Without one of these conditions, the exec will run on every run of the puppet file which is generally undesirable.