Modules that are supported by Puppet, Inc. When using Puppet APIs to load file content and metadata, you can access files in the scripts/ directory of a module using the scripts file mount. How to set Powershell ExecutionPolicy via Puppet exec command with unless property on Windows? 1. exe invocation as the command. This style guide applies to Puppet 4 and later. It is. Thus:I only want to execute that if the hostname is not what it should be: exec { 'update hostname': command => 'sudo hostname VM01', unless =>. Modules that are compatible with Puppet Development Kit (PDK) validation and testing tools. rb in the Puppet source code. I'm really confused about this, it seems like puppet can. properties. How to set Powershell ExecutionPolicy via Puppet exec command with unless property on Windows? 1. Puppet: 'creates' does not create a new file. every time Puppet's agent apply its manifests), even when the onlyif condition is false, unlike Exec['install-newrelic-apt-key']. 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. Basically, it makes it so you can use PowerShell Modules exactly like you use Puppet modules. The baseline measures how long Puppet takes to just start up, so it’s not even executing powershell then. 0. In the Puppet language, nearly everything is an expression, including. Larger exit codes on Windows can behave inconsistently across different tools. I'm not sure what the problem is, and I need more information. 0. If it always returns a false (non-zero) exit code then the two. The problem is the line when: rabbitmqctl list_vhosts | grep sensu. Try checking the puppet master log at /var/log/puppetmaster. Googling unless ansible showed this document about when. Default: Undefined. (capital X) permission when using recursion so files can retain the execute permission if they have them, but also allow you to traverse the directory as that requires the execute. Other built-in types. Plans are sets of tasks that can be combined with other logic. This statement will execute the sql statement drop table application_users on the database named db in the instance named instance. Only supported on Windows Server 2003 and above, and Windows 7 and above. First I would like to use booleans as defined in Hiera [ auto lookup function ]. Topics. Puppet provides a built-in exec type that is capable of executing commands. 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. The statement itself is simple but the class doesn't contain any built-in conditional checks (similar to "unless =>" in exec class). 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. 1. Usage. I will show how these work in the example below. Adds a new exec provider for executing PowerShell commands. ##Limitations. If the agent can perform the requested action at all, then it does not need sudo in order to do it, as it would be running with privilege in the first place. 0. d directory, then puppet agents pull it down and execute it on every run and provide the fact. And if you do intend to resolve it as a. exe invocation: exec { 'test': command => 'C:\Windows\System32\WindowsPowerShell\v1. Here is my code, don't worry about variable which is already set in original code. supported Adds a new exec provider for executing PowerShell commands. This part of the series will walk you through the process of automating server provisioning using Puppet, a popular configuration management tool capable of managing complex infrastructure in a transparent way, using a master server to orchestrate the configuration of the nodes. exe; Backslashes only. Installing servers with Puppet is a real plus compared to shell (yeah captain Obvious!). Is there a way to tell puppet to only execute command if one of the files does not exist? 0. When a lambda requires extra information, pass it to a function that provides the information and to evaluate the code, possibly multiple times. To run tasks with Puppet Bolt, Bolt 1. Extending the timeout is an option but ridiculous since default is 300 seconds and none of these commands should take 5 minutes or more to return. 0 Puppet strange behaviour of execs. exec { 'chkconfig': command => "/sbin/chkconfig --add $ {shutdown_script}", require => File ['shutdown-script'] } This is actually your root cause here. execs will always run. Modules that are supported by Puppet, Inc. The logic looks a little confusing but basically, the way I understand unless is that if the command returns a 0, then the whole exec wont be run. That command will always return 0 (true): it just tests whether the given string is nonempty. 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/. 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. This means that if a file is currently a directory,. Unless you are sharing with the world, you don’t need most. I was hoping to use onlyif in my class, but it seems a little confusing when trying to check for an absent registry value that contains my route. Possibly, then, this is the test you want to perform:This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. Teams. The second one unzips it. exe -ExecutionPolicy ByPass -command "here any command on powershell ""} On Thursday, October 9, 2014 4:22:14 PM UTC-3, Paul Ponzeka. Validate your manifest with puppet parser validate. unless => "powershell. Menu Log In List your. Search. Related questions. But this configuration does not detect when any of the configuration files have been modified outside of puppet. d/ Prevents Puppet from considering. /usr/bin/test instead of test) or the path attribute of that Exec resource has to be set. Puppet Exec with no command attribute. The issue isn't that the package doesn't install, but rather that apt automatically starts the. d/x exists then /bin/true is run (successfully). If exec command was successful and facter returns true then only it should execute, but following manifest executing individually without checking whether that exec. The command can be a simple string, which is executed as-is, or an Array, which is treated as a set of command arguments to pass through. But either way the trailing exit statement in the command will return a non-zero exit code if that happens. I've created a puppet script to install Azure client and in the last step before using yum install, I want to make sure that the package haven't installed before for prevent from duplicate install. 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. The CentOS/Puppet installation process should already have created a directory called /etc/puppet (If it hasn’t, create it with mkdir /etc/puppet ). The Puppet Design Philosophy Before we begin to explore best practices with Puppet, it’s valuable to understand the reasoning behind these recommendations. You can validate that a manifest's syntax is correct by using the command puppet parser validate. And as for the title of this question which I originally overlooked. The Puppet exec resource has OnlyIf and Unless attributes which can be used to limit when the command is invoked; e. service ntpd stop ntpdate ntp3. You can create relationships between resources or groups of resources using the -> and ~> operators. Tim Gosley’s four decades in puppetry include a wide spectrum of projects. The commands in an Exec resource either have to be fully qualified (i. You can read more about it here. Exec type's onlyif and unless in --noop documented. Problem with "if" is that it expects the file on the puppet server not on the client. Puppet: Exec from class when Exec from another class is successful. 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 modules to install and manage Oracle databases, Oracle Weblogic and Fusion Middleware, IBM MQ, IBM Integration Bus and other enterprise-grade software. That's what the ticket is about. The problem is that the exec command is running before the group command. Juan. That will run every time puppet runs. Expressions can be compounded with other expressions, and the entire combined expression resolves to a single value. If the query specified in the unless parameter returns one or. So the "cwd" now impacts the path of the "onlyif". If Puppet were running without privilege then sudo would not help, because Puppet would not provide a. There's a generalizable form of this dependency that might be helpful in reducing the repetition of the require statement. But because a dependency failed, Exec['Y'] will be skipped during this transaction. The problem also happens to my start command which also use bundle exec: after puppet finished dea_ng::install and run dea_ng::service, the command below did not work unless I execute it manually on the client machine. 1. Puppet Exec tag onlyif troubles. In many cases, such commands get only one chance to fire. I need puppet to execute a script that is inside an installed app. You can add classes to a node’s catalog by either declaring them in your manifests or assigning them from an external node classifier (ENC). The setuid/setgid/sticky digit is also a. The way I check this is if the gopher user has the default uid of 13. Puppet 7. 2. Connect and share knowledge within a single location that is structured and easy to search. I am just putting small snippet here to show you what its doing. The Puppet “exec” resource allows users to run commands and scripts on nodes. 2 but are only using architecture-appropriate. 2. All groups and messages. Puppet check if a nagios resource exists. Manage local groups . Alternately, you can put the PowerShell code. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. All groups and messagesCreate A Puppet Configuration File. Modules. This release documents the noop behavior of the onlyif and unless parameters of the exec resource. On reboot, the directory doesn't exist, strangely enough. I am trying to use code like this: exec { 'example':. TJL. 2 install on Ubuntu 18. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. 1. Puppet File resource runs despite Exec unless. For. Need to copy a file via puppet only if a Windows MSI package is not installed. Puppet can take an existing PowerShell Module and build a Puppet module out of it. Conditional statements allow you to write Puppet code that will return different values or execute different blocks of code depending on conditions you specify. Without one of these conditions, the exec will run on every run of the puppet file which is generally undesirable. 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. Windows shared folder is a folder that has been configured to be accessed by multiple users over a network. Puppet exec unless doesn't appear to work how I expect. 1. 163k 8 82 159. It sounds like this is exactly what you need: exec { 'test_cmd': path => $::path, command => 'cmd. 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. For example, to view the free disk space of a host, run: With. However, I strongly recommend that you do not use any kind of non-conditional exec with puppet. Unless you are sharing with the world, you don’t need most. Our choice at the beginning of the project was to not start with it, for these reasons : It was important for the team to learn shell first, even if the lifetime of the scripts had to be short. exe /c java -jar foo. This release documents the noop behavior of the onlyif and unless parameters of the exec resource. telnet < puppetmaster ip address dns name> 8140. 1. The default behavior is to report the exit code only for the last command in the pipeline. ¯_ (ツ)_/¯. The command of an exec resource, unless the executable requires backslashes, e. Puppet: Conditional exec using unless-option. If you are using Puppet 3. Q&A for work. Commenting out or outright deleting the class declaration, as you have done, is the simplest and most universal method for ensuring that the class is not applied. where read = 4, write = 2, and execute/search = 1. Running Powershell in Puppet. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. supported. There are times when you have a complex script that you just need to get into configuration management. I read the message you ask about as saying that the Exec was not refreshed, so the command will not be run. Learn more See the exec documentation for the command, unless, and onlyif. Puppet File resource runs despite Exec unless. The value that represents the data type of these values is Type. Note: Data sources can use the special lookup_options metadata key to request a specific merge behavior for a key. Setting noop=>false means your file resource will always be applied, even in a noop run. So if you put an exec without conditions, it will execute the command on every run. It will package up all of its DSC resources and then wrap the Puppet Resource API around it so you can invoke it just like any other module. The onlyif parameter is defined as. The whole idea of adding this step is to check and execute the command- makeswap only if the swap is not in place. Thus, a package can not both be installed at a particular version and marked held using dpkg. how to ensure puppet exec run on every event triggered? 0. Hot Network QuestionsPuppet avoids destroying directories unless the force attribute is set to true. It am trying to add 'replica' user to my postgres server though puppet so i can use it in my master-salve cluster. This can be used with bash on Linux,. Puppet is an amazingly powerful and flexible tool. g. Puppet for Windows and Powershell Recipes. 1. 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. 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. If this parameter is set to true all necessary changes are made to make a server compliant to the security baseline rules. The Puppet “exec” resource allows users to run commands and scripts on nodes. If /etc/init. And elsewhere you can add to the parameters for. My notes on how to make it work for complex multi-exec configurations. I am getting different errors and i was thinking on changing the approach and add those inline cmdlets into a . exec. } @choover Unfortunately that won't work. The service will detect it is not running and start itself if required. Puppet - How to purge a directory. 12 behavior got changed to match the intention. #####unless Runs the exec, unless the command returns 0. I wouldn't use puppet for a yum update, and my execs always have creates, onlyif, refreshonly or unless to ensure they only run when needed. 2. The second one unzips it. exec { 'mysql post cmd1': command => 'whatever', require => Mysql::Db['cosmed'], unless => 'command to check that this exec has been applied. ” There is also a set of values whose data type is “data type. ), and can log the child process output and exit status. exe create MyService start= auto binPath= "C:path oyour. String comparison using in doesn't work with unless. If invoked by a normal user, it checks against the list of unprivileged containers stored for this particular user. Create exec resources with metadata to ensure it is idempotent. When something isn't builtin to file, I generally just to turn to an puppet exec declaration. This consistency in code and module structure makes it easier to update and maintain the code. To run an exec task, use the task command, specifying the command to be executed. After changing topology strategy, cassandra should rebuild keyspace - this is where puppet comes. Bolt docs. For example, to view the free disk space of a host, run: With. But it when I try it, it is. Puppet Resources are the building blocks that puppet uses to model system configurations. When using Puppet APIs to load file content and metadata, you can access files in the scripts/ directory of a module using the scripts file mount. Doing some research, and looking at blog posts, I know that the structure of my code should be something along the lines of (I know it's not correct): exec {'function_name': # the script that downloads/installs/activates etc. The Puppet “exec” resource allows users to run commands and scripts on nodes. For information on all core types, including supported types in the puppet-agent package, see. Background: I am upgrading our lxc puppet module to support the emerging unprivileged LXC technology. Running Powershell command directly using Puppet exec resource. Puppet Labs modules on the Puppet Forge are open projects, and community contributions are essential for keeping them great. exec command unless directory exists in puppet. sh', onlyif => systemctl service_trendmicro, # which system should return 0 or 1 for pass. The command should only be run as a refresh mechanism for when a dependent object is changed. Depending on the complexity of the script, and if you want to run it with tools other than Puppet, I'd generally create it as a file-on-disk with a file type, then have an exec run the scripts. my theme is puppet should only execute if this if $::facts['memorysize'] >= '4. Puppet avoids destroying directories unless the force attribute is set to true. Puppet can run binary files (such as exe, com, or bat), and can log the child process output and exit status. I have a script that really only needs to be run one time on a server, i. The command is only executed if the Guest account does not exist, as indicated by unless returning 0. Share Puppet can execute binaries (exe, com, bat, etc. 4. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. ;) – ferventcoder. onlyif and unless in --noop documented. Try adding -Scope LocalMachine to your unless statement. } Puppet: Conditional exec using unless-option. Plans. As best I can tell by reading the source code the "holdable" feature is fundamentally flawed. What is Puppet? | How Puppet Works? | Puppet Tutorial For. If a manifest has no syntax errors, the tool outputs nothing. But if you want specifically to use the unless or onlyif property of an Exec resource to control whether to run that Exec's command, then you have to understand that those properties specify operating system commands to run to perform the evaluation. 1. . The first one downloads ZIP file with binary (unless the binary has already been installed) and saves it to /tmp. So in. NORTHWEST LIBRARY FEDERATION. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. do, line 50) cannot accept an array of options. Certainly, Notify is right out. 2. Improve this answer. 4. Adds a new exec provider for executing PowerShell commands. 1. I am new to Puppet, and I am trying to install a file if a package is installed. Let's assume that you can write a find command to list all of your files that you want deleted. Control expressions unless => 'ls /somefile' ls will return with a non-zero return code if the file does not exist and unless will only let the exec it is under execute if its test returns a non-zero return code. 1. Alternatively, if that is valid, call the prior script through the latter's onlyif or unless parameter, instead of as its own exec resource. Your exec will run only if pgrep returns 0. However currently I am struggling to figure out how to do this. Using onlyif allows you to use the return value of one or more commands as your. 1 on CentOS, and Puppet clients 3. Puppet Exec with no command attribute. Puppet: Conditional exec using unless-option. The risk of course is that Puppet runs more than once in that hour, e. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. However, when I clean my /tmp and apply the manifest again, it fails because the first exec doesn't executed. Try again and this time show the failure. However, this manifest will exec the command every time the puppet client checks in with the puppet master. Discover. The exec resources will only refresh themselves when they receive a notification. Remove the leading . Puppet includes two Ruby APIs for writing custom functions. exe /c C:/test. ps1 script. refreshonly: Only run the command if the resource is refreshed due to a notify or subscribe metaparameter; cwd: Sets the working directory. We explore practical examples and best practices for handling procedural requirements when we look at the exec resource type in Chapter 5. With Bolt on the command line, run bolt task run exec command=<COMMAND>. 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. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. txt –Value “Hello”’, logoutput => true, provider => powershell, } } The three parameters I use in this manifest are command, logoutput and provider. Explanation Sometimes a simple creates isn't enough to determine if an exec should run or not. Puppet Defines Desired State. Puppet lookup uses a hierarchy of data sources, and a given key might have values in multiple sources. I am trying to create Puppet exec that would only execute if certain Windows registry value does not exist. This runs the first-exec, and unless /var/exists it runs the second-exec. . Puppet File resource runs despite Exec unless. JULY . Puppet Exec resource to apply only when a File changes. Learn more about TeamsIt's just not something you can do with vcsrepo unless you can override path (you can in exec). Sends an arbitrary message, specified as a string, to the agent run-time log. Local user accounts are often desirable for isolating applications requiring unique permissions. unless: A shell command that is run as a test to determine if the command should not run. Your best bet is to run the action as a script and set up the PATH inside the actual script. Taking the baseline time away, the old module took 20 seconds (32 - 12) and the new module took 10 seconds (22 - 12). Puppet File resource runs despite Exec unless. This means a resource with noop => false will be changed if necessary, even when. It will execute the block of code associated with the first matching case, and ignore the remainder of the statement. Expand. They take a control expression and a list of cases and code blocks, and. Resource default for the exec type A resource default statement set default attribute values for a given resource type. He just built and performed the lead puppet for a Toronto television pilot. 2. For detailed information about built-in types, see the Resource type reference. exec { 'foobar': command => 'foo | bar', } However, there are occasions where foo fails. The --debug flag enables verbose logging. The file is not being created because the Puppet agent is never actually applying your catalog because you have a compilation error: Error: Failed to apply catalog: Validation of Exec. Puppet File resource runs despite Exec unless. If this parameter is set, then this exec will only run if the command has an exit code. I have a script that really only needs to be run one time on a server, i. 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. The one thing the exec doesn't need to do is put the service in a started state. Is there a way to tell puppet to only execute command if one of the files does not exist? 1. Modules that are supported by Puppet, Inc. Exec ['get-chocolatey'] -> Package<| provider == 'chocolatey' |>. 2 Handling names with spaces. Like, from scratch. e. John. Puppet: Conditional exec using unless-option. Publish a module; Topics. You might want to use the refreshonly parameter on your exec. To use sudo non-interactively, the invoking user needs a NOPASSWD: entry in sudoers %wheel ALL=(fred) NOPASSWD: /usr/bin/echo "hola dan" Then. The db has already been created in the vm, and if it's already been cloned, the count returned from the query gives me something other than a ' 0 ', and the grep because. Note also that Exec has other parameters that can lead to instances being applied successfully without their commands being run. Machines receiving task requests must have SSH or. Is this the best way to do this?. 0 or later must be installed on the machine from which you are running task commands. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple. 168. gz packages are copied to the remote systems during every puppet run, while these files where removed after installation and software has been. Let’s take a look there: ls -la /etc/puppet. If you remove the parameter it will also fail if the regular execution policy is set to Restricted. A second option would be to use the schedule metaparameter: schedule { 'everyday': period => daily, range => '1:00 - 1:59', } exec { 'do your thing': schedule => 'everyday', } That assumes that Puppet really will run only once per hour. The third example is a (semi-)common mistake made by people coming from certain other tools. 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. Adds a new exec provider for executing PowerShell commands. Understand the syntax and function of the if, unless, case, and selector statements. Please qualify the command or specify a path. Puppet can run binary files (such as exe, com, or bat), and can log the child process output and exit status. You can use expressions almost anywhere a value is required. command => '/path/to/script. Detecting if windows service is already installed using puppet exec. Puppet Exec Resource. The . 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. powershell conditional IsNullorEmpty not working as planned. Puppet : How to use "defined" type as requirement inside exec. 0. Puppet File resource runs despite Exec unless. The way I check this is if the gopher user has the default uid of 13. 1. Depending on your client's platform you can use ACLs to grant varied permissions to more than one group or user. Another way to control an exec resource is to add a refreshonly => true attribute. The exec has refreshonly => true , which only allows Puppet to run the command when some other resource is changed. 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. If this parameter is set, then this exec will only run if the command has an exit code. As a result, the chown in the main command always is run, and that is reported. 6. Their exit codes convey whether to proceed with running the main command. 00 GiB'and $::facts['processorcount'] >= 2 and Exec['port_connectivity'] condition was successful. Any recommendations on running. Puppet check if a nagios resource exists. To run an exec task, use the task command, specifying the command to be executed. This example includes an elsif condition, and gives a warning if you try to include the ntp class on a virtual machine or on machine running macOS: 2 Answers Sorted by: 6 test work for me at /usr/bin, so adding it to path could solve error. , unless you really intend to resolve that path against the working directory. In conjunction with Facter, which makes details of a machine available as variables, this lets you write Puppet code that flexibly accommodates different platforms, operating systems. Problem with "if" is that it expects the file on the puppet server not on the client. For example, the value String represents the data type of strings. Yet when I run puppet agent -td I see that the puppet agent IS executing pkill -SIGQUIT mysqld; sleep 5; systemctl restart mysqld. This says "get-chocolatey" should happen before any package resource with a Chocolatey provider. So then intention and documentation has always been the same since 4. Classes generally configure large or medium-sized chunks of functionality, such as all of. Note that the example uses the unless parameter to make the resource idempotent. The only plausible source of such an issue in the code you presented is your Exec's unless command: unless => "`ps -eaf | grep service | grep -v grep | wc -l` -eq 3" When the command there is executed by the shell, it first executes unless: A shell command that is run as a test to determine if the command should not run. g. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. I have Puppet master 3. Tags.