Q&A for work. #####unless Runs the exec, unless the command returns 0. Menu Log In List your. If Puppet is managing the user that an exec should run as. The Puppet exec resource has OnlyIf and Unless attributes which can be used to limit when the command is invoked; e. Puppet exec unless doesn't appear to work how I expect. So on a fresh installation, a refresh event will be received but the resource will. See the Puppet Type Reference for the exec resource and look for unless and onlyif. Sequence of Execs in Puppet. Alternaitve 2: Use Augeas: seems overkill for a simple search & replace. DevOps. PUP-11199. Puppet’s behavior when declaring or assigning a class with both styles is undefined, and will sometimes work and sometimes cause compilation failures. To use the BoltSpec library functions, include them in either the spec_helper. Try checking the puppet master log at /var/log/puppetmaster. Sends an arbitrary message, specified as a string, to the agent run-time log. yml] &. Puppet File resource runs despite Exec unless. The code that creates the container is executed unless the following test if the container exists succeeds: lxc-info -n $ {lxcname} >/dev/null. Puppet File resource runs despite Exec unless. Only supported on Windows Server 2003 and above, and Windows 7 and above. So if you put an exec without conditions, it will execute the command on every run. Examples An if statement evaluates the given condition and, if the condition resolves to true, executes the given code. The command parameter is the PowerShell code you want to run on your node. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. 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. You can also set variables within the manifest, which can change the. I am struggling with how to pass a puppet variable through to powershell. If this parameter is set, then this exec will only run if the command has an exit code. 1st - 2nd Smithers Midsummer Festival Smithers BC. Adds a new exec provider for executing PowerShell commands. do, line 50) cannot accept an array of options. you have no choice (to my knownledge) currently than to use the exec resource with creates + onlyif or unless directives. Your fact could be something like this: #!/bin/bash if [ -f /my/file. Related questions. Try again and this time show the failure. To do this in Puppet you would have to use an Exec and invoke setfacl (if you were on Linux, for example) directly. txt ]; then echo "my_fileexists=yes" else echo "my_filexists=no" fi. 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. This says "get-chocolatey" should happen before any package resource with a Chocolatey provider. To run tasks with Puppet Bolt, Bolt 1. 0. Installing servers with Puppet is a real plus compared to shell (yeah captain Obvious!). 0. String comparison using in doesn't work with unless. Following code updating file /etc/sysctl. bundle exec rake dir_server:run [config/dea. Manage local groups . Tasks use Scripts to execute them on remote machines. It is a limitation of the underlying system. I am poorly familiar with the puppet language but would guess something like this to execute the jar file: exec { 'jar_execution': command => 'cmd. 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 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. e. 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. if exec joins the domain, it should have an unless condition that tests whether or not the machine is part of the domain. Running Powershell in Puppet. The setuid/setgid/sticky digit is also a. The script remaps several legacy user id's that conflict with local system users. Puppet can run binary files (such as exe, com, or bat), and can log the child process output and exit status. Code so far (which is not working) is: Hiera snippet:By default, Puppet agent runs as the Administrator account, which has this privilege. 2. jar file is actually an update for an application which is running as a service. 3 I am experiencing puppet exit code 1 when running any powershell script that starts or invokes a process. I will show how these work in the example below. Puppet does not execute statements in linear order (as is the code written) unless you define some constraints. Execute installers from shared (samba) folder instead of copy it first to agent system does not solve the issue. Sometimes I want to run a command one time on all servers, e. 12, but from 5. 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. 0. 3 puppet exec returned 1 instead of [0] 0 Puppet strange behaviour of execs. So I assume when the puppet agent runs on my node I should NOT see pkill -SIGQUIT mysqld; sleep 5; systemctl restart mysqld execute. Remove the leading . unless => "powershell. The exec resources will only refresh themselves when they receive a notification. 1. Puppet Exec resource to apply only when a File changes. PUP-11199. Project. Valid options: String. How do I make make puppet module break if condition not met. The first one downloads ZIP file with binary (unless the binary has already been installed) and saves it to /tmp. Sequence of Execs in Puppet. But I think the correct way is to use creates: The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. 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. d/ Prevents Puppet from considering. 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. Plans. 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. 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. exec { ‘SETHELLO’: command => ‘Add-Content -Path c: est. 1. When using cmd. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. 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. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. So for your example, it would probably be better to extend the exec to add an unless or onlyif parameter, so the command only runs if the database doesn't already exist. 1 Answer. I am using vagrant with puppet to set up virtual machines for development environments. Create this file only if it does not exist, or Start this windows service unless it’s already running. Discover. It will also restart itself if exec['Do Stuf'] runs because of the way the relationship is defined. In the code that Womble shows, there are no variables, so all the " should instead be '. As best I can tell by reading the source code the "holdable" feature is fundamentally flawed. All groups and messagesConditional execution of puppet defined resource type through 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. I am trying to create Puppet exec that would only execute if certain Windows registry value does not exist. 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. As long as the file / directory specified in creates exists puppet won't run the exec. Wow. Do you have reason to think that there's something wrong with. Puppet File resource runs despite Exec unless. My notes on how to make it work for complex multi-exec configurations. 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. The Win32 APIs define exit. Adding a / to the end of a file name isn't enough to tell puppet to. 0. Node examples. Puppet: Exec from class when Exec from another class is successful. Adds a new exec provider for executing PowerShell commands. Is there a way to tell puppet to only execute command if one of the files does not exist? 0. Teams. 0 how to ensure puppet exec run on every event triggered? 0 Puppet: How to execute a Exec resource if another Exec resource failed. Creating a directory is another task that is handled by the powerful and flexible file type. I am trying to run a Powershell command directly using Puppet exec resource instead of specifying path to the Powershell script. Puppet for Windows and Powershell Recipes. Since Puppet 2. 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. How do I make a puppet class dependent on all of the resources it defines? 1. The onlyif parameter is defined as. It will execute the block of code associated with the first matching case, and ignore the remainder of the statement. Scripts file serving mount. exe /c C:/test. Adds a new exec provider for executing PowerShell commands. 0powershell. If a manifest has no syntax errors, the tool outputs nothing. 9]: FAILED! => {"failed": true, "msg": "The conditional check 'rabbitmqctl. 6. if statement, with in expression. Find can exclude Named Pipes:-type c File is of type c: b block (buffered) special c character (unbuffered) special d directory p named. TJL. Provides integrated testing tools and a command line interface to help you. exec { 'nagios-permissions': command => "/usr/bin/chown -R nagios:nagios $ {confdir}", onlyif. exec command unless directory exists in puppet. 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. This consistency in code and module structure makes it easier to update and maintain the code. supported Adds a new exec provider for executing PowerShell commands. There are three main ways for an exec to be idempotent:Conversations. sh', onlyif => systemctl service_trendmicro, # which system should return 0 or 1 for pass. Puppet Exec Resource. You should never use this API unless you absolutely must support Puppet 3. Expand. The command should only be run as a refresh mechanism for when a dependent object is changed. The exec has refreshonly => true , which only allows Puppet to run the command when some other resource is changed. 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. It would be better to explicitly "exit 0" whenever you do not "exit 1". Depending on your client's platform you can use ACLs to grant varied permissions to more than one group or user. If this parameter is set, then this exec will only run if the command has an exit code. The second one unzips it. Tim Gosley’s four decades in puppetry include a wide spectrum of projects. Detecting if windows service is already installed using puppet exec. In your case, the Exec is always successfully applied. They take a control expression and a list of cases and code. 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/. Discover. 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. lst contents. Need to copy a file via puppet only if a Windows MSI package is not installed. 2 Answers Sorted by: 6 test work for me at /usr/bin, so adding it to path could solve error. Let's assume that you can write a find command to list all of your files that you want deleted. Like, from scratch. Usage. 5. Puppet is an open-source configuration management tool from Puppet Labs. 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. Usage. exec command unless directory exists in puppet. 2. I think this is due to how the PowerShell module calls PowerShell - it passes -ExecutionPolicy Bypass as part of the powershell. I'm not sure what the problem is, and I need more information. 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. execute (command, options = NoOptionsSpecified) ⇒ Puppet::Util::Execution::ProcessOutput (also: util_execute) Executes the desired command, and return the status and output. 0. 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. Try adding -Scope LocalMachine to your unless statement. But it is certainly worth verifying the type and value of your variable. 0. exe utility (note the space after and lack thereof before the = character): exec { "install_service" : command => "$ {Sys32}sc. Note also that Exec has other parameters that can lead to instances being applied successfully without their commands being run. 26th - 28th Surrey Sparks Stages - Puppet-making workshops Surrey BC. The Puppet exec will not run unless the "unless" command exits with status 0. 1. Let's also assume that you're puppet module knows when do delete these files. Selector statement. The Puppet “exec” resource allows users to run commands and scripts on nodes. 1. 1. The onlyif parameter is defined as. Setting the umask only has effect within the process that does it (see umask in sys/stat. This can have severe impacts to the machines, especially if security settings are defined in a wrong way. 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. Teams. You can use not filter to get unless like behavior. I will show how these work in the example below. There's a generalizable form of this dependency that might be helpful in reducing the repetition of the require statement. Create exec resources with metadata to ensure it is idempotent. Puppet can run binary files (such as exe, com, or bat), and can log the child process output and exit status. There are a few important parameters to use when writing an exec resource with PowerShell. Share Puppet can execute binaries (exe, com, bat, etc. The Forge is an online community of Puppet modules submitted by Puppet and community members. 5. This seems to work just fine. puppet-modules; puppet-motd; puppet-ntp; puppet-perl; puppet-php; puppet-ssh; puppet-timezone; python-cloudlb; rackspace-monitoring-agent-plugins;. You can use the unless parameter to only execute the statement in certain states. exe /s "$ {timezone}"", unless => "cmd. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. These are command. The way I check this is if the gopher user has the default uid of 13. 0. require means that the the resource passed to require must be applied before the calling resource. Welcome to the Puppet CookBook. 0 on RHEL 6 and am doing package management via the exec resource. There's a generalizable form of this dependency that might be helpful in reducing the repetition of the require statement. Q&A for work. I am trying to use code like this: exec { 'example':. Puppet Exec tag onlyif troubles. 1. my theme is puppet should only execute if this if $::facts['memorysize'] >= '4. Search. Puppet check if a nagios resource exists. For example, command => 'cmd. 1. 1. Validate your manifest with puppet parser validate. All modules; Supported modules; Modules with tasks; Contribute. refresh: Command to execute if the resource is refreshed due to a notify or subscribe metaparameter. It is not possible to use bash here. g. Currently, he experiments. config/autostart ]' is not qualified and no path was specified. Puppet File resource runs despite Exec unless. ##Limitations. refresh: Command to execute if the resource is refreshed due to a notify or subscribe. When evaluated, these tagged expressions can modify text in the template. Alternative 1: create a bash script: ugly Exec resources and temp files. Expand. When you use any of the four so-called metaparameters for relationships in Puppet - those being: require , before , subscribe & notify - you tell Puppet that you want the application. Is there a way to tell puppet to only execute command if one of the files does not exist? 1. You can use onlyif, unless, creates and refreshonly to manage the case when you want the command to execute. Install Puppet Agent on bulk windows server. Connect and share knowledge within a single location that is structured and easy to search. 0. The command specified causes the exec to be triggered unless the command specified returns a success (zero) exit status. I am trying to use code like this: exec { 'example': path => 'C:\Windows\System32', command => 'something', unless => 'reg query "HKEY_LOCAL_MACHINE\Software\My key" /f 5. Larger exit codes on Windows behave inconsistently across different tools. in. Any command in an exec resource must be able to run multiple times without causing harm — that is, it must be idempotent. Taking the baseline time away, the old module took 20 seconds (32 - 12) and the new module took 10 seconds (22 - 12). rb in the Puppet source code. run this on your node -. exe /c C:/test. Autorequires: If Puppet is managing an exec’s cwd or the executable file used in an exec’s command, the exec resource will autorequire those files. {"payload":{"allShortcutsEnabled":false,"fileTree":{"lib/puppet/type":{"items":[{"name":"file","path":"lib/puppet/type/file","contentType":"directory"},{"name. 168. It applies the resource on the left before the resource on the right. puppet agent -td --evaltrace --profile > agent_debug. Here is my code (Puppet): exec { 'Download mediawiki to temp': cwd. If this parameter is set to true all necessary changes are made to make a server compliant to the security baseline rules. exe only when the aspnet_banking_app is created or changed. I am wondering whether it is possible to have Puppet only stop and disable a Windows service if it exists. Execute create_resource after everything has finished or after exec has finished. Setting noop=>false means your file resource will always be applied, even in a noop run. I have a script that really only needs to be run one time on a server, i. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple. , for example, the Exec resource being. John. e. Puppet provides a built-in exec type that is capable of executing commands. Puppet exec unless doesn't appear to work how I expect. how do I tell 'puppet apply' that the package is already installed)You are misunderstanding the 'require' line and the nature of relationships in Puppet, and also how Puppet uses the return code of the command executed in an Exec. Adds a new exec provider for executing PowerShell commands. 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. There are a number of parameters you can set. 2. exe invocation as the command. But, only deploy the scripts when certain file exists, one that would only exist on the first puppet run after build. Modules. Conversations. 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. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. As an example I have a powershell script that opens notepad:. Thanks!. 2. Thus:I only want to execute that if the hostname is not what it should be: exec { 'update hostname': command => 'sudo hostname VM01', unless =>. 2. Exec type's onlyif and unless in --noop documented. Puppet - How to purge a directory. The CentOS/Puppet installation process should already have created a directory called /etc/puppet (If it hasn’t, create it with mkdir /etc/puppet ). You can validate that a manifest's syntax is correct by using the command puppet parser validate. 0 Puppet strange behaviour of execs. So in. The problem is the line when: rabbitmqctl list_vhosts | grep sensu. Share. The logoutput parameter just logs the output to the. Glossary. 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. On Windows, most exit codes should be integers between 0 and 2147483647. wow! My recommendation is: throw it away and start over. g. Adds a new exec provider for executing PowerShell commands. As a result, the chown in the main command always is run, and that is reported. group. telnet < puppetmaster ip address dns name> 8140. Adds a new exec provider for executing PowerShell commands. Improve this answer. exec { 'chkconfig': command => "/sbin/chkconfig --add $ {shutdown_script}", require => File ['shutdown-script'] } This is actually your root cause here. Puppet can take an existing PowerShell Module and build a Puppet module out of it. Generally speaking, details of machines' current state on which Puppet is to base decisions about the contents of that machine's catalog must be communicated to the. onlyif and unless in --noop documented. Puppet exec - fails to execute command as user. The statement itself is simple but the class doesn't contain any built-in conditional checks (similar to "unless =>" in exec class). ” These values represent the other data types. See “Case Matching” below for details on how Puppet matches different kinds of cases. --Puppet::Type. 17 also improves the way typed class parameters are checked. 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. If Puppet were running without privilege then sudo would not help, because Puppet would not provide a. Exec ['get-chocolatey'] -> Package<| provider == 'chocolatey' |>. Unix: exec { 'delete_files': command => "/bin/find [your find command arguments here] -delete", } Some find commands don't have -delete, so. 0. We explore practical examples and best practices for handling procedural requirements when we look at the exec resource type in Chapter 5. 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. 0. For example, to view the free disk space of a host, run: With. 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. exe and specifying a file path in the command line, be sure to use backslashes. That is always handled by the service resource. 2. From the puppetlabs docs: The noop metaparameter allows you to apply individual resources in noop mode, and will override the global value of the noop setting. Running Powershell command directly using Puppet exec resource. You might want to use the refreshonly parameter on your exec. 0. notify. domain. Puppet has two main ways to declare classes: include-like and resource-like. Modules. Since I don't have Puppet 4. My understanding is that if the second exec fails, the defined resource type should NOT be refreshed. 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. Manage local groups . Maybe. 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. You are missing my points: (1) you need to establish what grep's exit status actually is when Puppet runs it. Puppet can execute binaries (exe, com, bat, etc. I am trying to set some powershell inline cmdlets within puppet recipes in order to install other msi packages and powershell scripts. Puppet is an amazingly powerful and flexible tool. 6. g. Note: Data sources can use the special lookup_options metadata key to request a specific merge behavior for a key. -- Peter Bukowinski.