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. There are times when you have a complex script that you just need to get into configuration management. I think this is due to how the PowerShell module calls PowerShell - it passes -ExecutionPolicy Bypass as part of the powershell. The problem is Exec['apt-update'] is always performed (i. – Note that Puppet issue 8083 should not affect you in the case that the Application-Server feature is installed, but it is unclear (to a non-initiate in Powershell) what the exit code of that 'unless' command will be in the alternative case. 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. There are a few important parameters to use when writing an exec resource with PowerShell. Secondly I would like to use booleans from a bash script running diff <() <(). 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. Like, from scratch. The command of an exec resource, unless the executable requires backslashes, e. Puppet Exec resource to apply only when a File changes. The way I check this is if the gopher user has the default uid of 13. "exec / onlyif" and "exec / unless" are kind of measures-of-last-resort in the Puppet world (now, having said that, I must admit that I'm completely guilty of using it myself on occasion :p ). Resource default for the exec type A resource default statement set default attribute values for a given resource type. config/autostart ]' is not qualified and no path was specified. 3. 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. unless. Puppet does not execute statements in linear order (as is the code written) unless you define some constraints. This says "get-chocolatey" should happen before any package resource with a Chocolatey provider. 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. config/autostart ]' is not qualified and no path was specified. If I try creating it as my process user, I get permission denied. . 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. exe only when the aspnet_banking_app is created or changed. password is not getting changed to the default password and also. Puppet strange behaviour of execs. NORTHWEST LIBRARY FEDERATION. I want to check, if a given string is inside an array and if it isn't, I want to execute the code inside. txt ]; then echo "my_fileexists=yes" else echo "my_filexists=no" fi. supported Adds a new exec provider for executing PowerShell commands. But it when I try it, it is. command => '/path/to/script. 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. Case statement. ) I am running Puppet v3. ), and can log the child process output and exit status. 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. Running Powershell command directly using Puppet exec resource. As a result, the chown in the main command always is run, and that is reported. EPP has two tags for Puppet code, optional tags for parameters and comments, and a way to escape tag delimiters. Or even better, split the shells parts into separate exec resources with dependencies and unless parameters. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. An 'unless' statement could be used to avoid declaring the package at all in the event that a custom fact. 6. you should get something like -. This consistency in code and module structure makes it easier to update and maintain the code. To use sudo non-interactively, the invoking user needs a NOPASSWD: entry in sudoers %wheel ALL=(fred) NOPASSWD: /usr/bin/echo "hola dan" Then. Modules that are compatible with Puppet Development Kit (PDK) validation and testing tools. Puppet: Conditional exec using unless-option. 0powershell. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. You are missing my points: (1) you need to establish what grep's exit status actually is when Puppet runs it. You might want to use the refreshonly parameter on your exec. They take a Boolean condition and an arbitrary block of Puppet code, evaluate the condition, and if it is false, execute. 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. = (assignment) Expand. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. 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. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. 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. This tells Puppet to run aspnet_regiis. PUP-11199. Follow#####unless Runs the exec, unless the command returns 0. Puppet's if statement allows you to change the manifest behavior based on the value of a variable or an expression. This release documents the noop behavior of the onlyif and unless parameters of the exec resource. Note also that Exec has other parameters that can lead to instances being applied successfully without their commands being run. 0. }Puppet: Conditional exec using unless-option. You can use these special values to examine a piece. 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. All groups and messages. Hot Network Questions tcpdump -vvv is not verbose enough. 2. Discover. Yet when I run puppet agent -td I see that the puppet agent IS executing pkill -SIGQUIT mysqld; sleep 5; systemctl restart mysqld. silent way to import registry file via puppet module. 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/. h ), and the sub-processes it spawns. Hot Network QuestionsOn this site you can find information about supported enterprise-grade puppet modules. 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. Adds a new exec provider for executing PowerShell commands. Windows shared folder is a folder that has been configured to be accessed by multiple users over a network. Puppet : How to use "defined" type as requirement inside exec. This can be used with bash on Linux, but with the PowerShell provider , it can run PowerShell on Windows and Linux nodes as well. This release documents the noop behavior of the onlyif and unless parameters of the exec resource. 3 puppet exec returned 1 instead of [0] 0 Puppet strange behaviour of execs. With Bolt on the command line, run bolt task run exec command=<COMMAND>. There's a generalizable form of this dependency that might be helpful in reducing the repetition of the require statement. Puppet Exec with no command attribute. It's one that can change your daily work flow for the better once you start using it, but like all open ended tools, it can take a little while to become familiar with. Puppet can take an existing PowerShell Module and build a Puppet module out of it. a sysadmin might manually run it. So it will likely work better if the command you are trying to pass will actually execute outside of Puppet. Code so far (which is not working) is: Hiera snippet:By default, Puppet agent runs as the Administrator account, which has this privilege. Chaining arrows. 20. Plans. 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. This example specifies defaults for the exec resource type attributes path , environment , logoutput , and timeout . As per the exec documentation, the onlyif/unless exec command result will override the receipt of refresh. 3. Puppet Exec with no command attribute. 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. . my theme is puppet should only execute if this if $::facts['memorysize'] >= '4. Another way to control an exec resource is to add a refreshonly => true attribute. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. If this parameter is set, then this exec will only run if the command has an exit code. 2. Puppet: Exec from class when Exec from another class is successful. 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. Puppet can run binary files (such as exe, com, or bat), and can log the child process output and exit status. It is not possible to use bash here. Puppet: Conditional exec using unless-option. All modules; Supported modules; Modules with tasks; Contribute. This can have severe impacts to the machines, especially if security settings are defined in a wrong way. 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. Share. 1. code. 1. Manage local groups . However, when I clean my /tmp and apply the manifest again, it fails because the first exec doesn't executed. 0. 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/. It's important to note that the notify resource type is not idempotent. puppet exec command issue. This allows you to do more complex task operations, such as. 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. 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. Puppet File resource runs despite Exec unless. 0. This differs from some other languages where looping constructs are special keywords. Adds a new exec provider for executing PowerShell commands. How to set Powershell ExecutionPolicy via Puppet exec command with unless property on Windows?. The onlyif parameter is defined as. This example specifies defaults for the exec resource type attributes path , environment , logoutput , and timeout . Classes generally configure large or medium-sized chunks of functionality, such as all of. Puppet - Not able to find a declared class. exe"", path. 1. Sequence of Execs in Puppet. Long answer The scheme you have in mind is not compatible with Puppet's master/agent paradigm. Rename("new-guest")', unless => 'if (Get-WmiObject. The 'unless' and/or 'ifonly' commands must run every time, though. exe create MyService start= auto binPath= "C:path oyour. My question is: I want to check if a file exists in the /tmp folder, and delete it before it starts downloading again. 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. The one thing the exec doesn't need to do is put the service in a started state. By using find to execute whatever commands you mean by "manage files" you should be able to accomplish your goal. Having chosen an Exec instead, it was unnecessary to introduce sudo into the command. Puppet exec command runs in shell, but not via puppet. To run an exec task, use the task command, specifying the command to be executed. Your exec will run only if pgrep returns 0. Please qualify the command or specify a path. 1 run Exec only if another Exec ran. Puppet PowerShell Execution. if statement, with in expression. 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. Aside from being good. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. d directory, then puppet agents pull it down and execute it on every run and provide the fact. The second one unzips it. Puppet Exec tag onlyif troubles. 2. 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. The Puppet “exec” resource allows users to run commands and scripts on nodes. Based on that documentation, a when statement was added: - name: add vhost sensu command: rabbitmqctl add_vhost /sensu when: rabbitmqctl list_vhosts | grep sensu. Puppet exec unless doesn't appear to work how I expect. We explore practical examples and best practices for handling procedural requirements when we look at the exec resource type in Chapter 5. Best practices with exec is to use onlyif and unless to test for whatever action the exec is supposed to have performed. "Unless" statements work like reversed if statements. Puppet runs executed on multiple external systems. To use the BoltSpec library functions, include them in either the spec_helper. Adds a new exec provider for executing PowerShell commands. sudo -u fred /usr/bin/echo "hola dan" Note that I used sudo -u in favor of sudo su -. They take a Boolean condition and an arbitrary block of Puppet code, evaluate the condition, and if it is false, execute. But Puppet is quite hard to learn. Unless you tell your exec not to run for some reason or another, it will always run. Default: Undefined. sh', } Keep in mind that puppet is for enforcing the state defined in the manifests rather than running chains of. How do I make a puppet class dependent on all of the resources it defines? 1. As a suggestion:I am using Puppet installed with the powershell module. puppet exec returned 1 instead of [0] 1. Remove the leading . 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. ), and can log the child process output and exit status. rb instead of including them in the individual test files. 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. Re-writing scripts into manifests is time-consModules that are compatible with Puppet Development Kit (PDK) validation and testing tools. We need to set setfacl -R -m u:foreman:rwx /etc/dhcp /var/lib/dhcpd via our puppet installer instead of modifying standard UNIX owner and permissions. if exec joins the domain, it should have an unless condition that tests whether or not the machine is part of the domain. Installing servers with Puppet is a real plus compared to shell (yeah captain Obvious!). Over the years of using puppet I've noticed that people often come up with the same kind of. ##Limitations. Puppet avoids destroying directories unless the force attribute is set to true. These are command. 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. 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. Classes are named blocks of Puppet code that are stored in modules and applied later when they are invoked by name. This says "get-chocolatey" should happen before any package resource with a Chocolatey provider. Adds a new exec provider for executing PowerShell commands. notify. Case statements will execute a maximum of one code block. I need puppet to execute a script that is inside an installed app. exe -executionpolicy remotesigned -file C:\test. Check your syntax by entering puppet parser validate c:\myfiles\file. 2) that no other resource is set to 'notify' Exec ['command_two']. The whole idea of adding this step is to check and execute the command- makeswap only if the swap is not in place. 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). 1. When evaluated, these tagged expressions can modify text in the template. You can read more about it here. Unix: exec { 'delete_files': command => "/bin/find [your find command arguments here] -delete", } Some find commands don't have -delete, so. if you want execute a powershell file:. how do I tell 'puppet apply' that the package is already installed) 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 only change if they need correcting. In the Puppet language, nearly everything is an expression, including. He just built and performed the lead puppet for a Toronto television pilot. To do this in Puppet you would have to use an Exec and invoke setfacl (if you were on Linux, for example) directly. 2. 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. Right now I have: exec { 'first command': command => "some command" path => '/usr/bin', notify => Exec ["second command"], } exec {. Currently, he experiments. exe /g | findstr /C:"$ {timezone}"", } Well, I ended up not needing to do this as I found a config file I could just manage as a template. exec command unless directory exists in puppet. Create this file only if it does not exist, or Start this windows service unless it’s already running. Your best bet is to run the action as a script and set up the PATH inside the actual script. To use commands with pipe |, you must use the shell builtins work around with cmd. The ensure (see ensurable. Puppet File resource runs despite Exec unless. 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. Following code updating file /etc/sysctl. Learn more about TeamsPuppet provides a built-in exec type that is capable of executing commands. As far as I know, the basic file type in Puppet only handles discretionary permissions that only allow for one group and one owner. 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. Puppet is an amazingly powerful and flexible tool. Exec type's onlyif and unless in --noop documented. Puppet: deploy file unless it exists. Puppet exec unless doesn't appear to work how I expect. if statement, using expressions and facts. 0. 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. Iteration features are implemented as functions that accept blocks of code ( lambdas ). The issue is, while first two are correctly executed under "user", third command is executed in. Sep 13, 2012 at 15:51. 0, to 5. Sorted by: 0. . I will show how these work in the example below. So I assume when the puppet agent runs on my node I should NOT see pkill -SIGQUIT mysqld; sleep 5; systemctl restart mysqld execute. Exec ['get-chocolatey'] -> Package<| provider == 'chocolatey' |>. Sequence of Execs in Puppet. I want to check if the file exists in the client. So in. Puppet Labs modules on the Puppet Forge are open projects, and community contributions are essential for keeping them great. 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. 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. 9]: FAILED! => {"failed": true, "msg": "The conditional check 'rabbitmqctl. 1. As for a "more intelligent way of excluding", I think you need to couch the question differently. notify is set on the user, and refreshonly is set on the exec. The Puppet “exec” resource allows users to run commands and scripts on nodes. And elsewhere you can add to the parameters for. A statement to determine if the wls_exec must execute. I am just putting small snippet here to show you what its doing. Is this the best way to do this?. So then intention and documentation has always been the same since 4. Adds a new exec provider for executing PowerShell commands. I am trying to set some powershell inline cmdlets within puppet recipes in order to install other msi packages and powershell scripts. 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. 1 Answer. When I apply the manifest for the first time, it works correctly. Puppet: Conditional exec using unless-option. Puppet can take an existing PowerShell Module and build a Puppet module out of it. unless: A shell command that is run as a test to determine if the command should not run. 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. Sorted by: 18. {"payload":{"allShortcutsEnabled":false,"fileTree":{"manifests":{"items":[{"name":"fcontext","path":"manifests/fcontext","contentType":"directory"},{"name":"boolean. Just. I am using vagrant with puppet to set up virtual machines for development environments. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. 2. ” These values represent the other data types. 0. 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. g. However currently I am struggling to figure out how to do this. 0. 1. Something like this should work: - name: Get rabbitmq vhosts. you can check this quickly with the telnet command. 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. Like if statements, case statements choose one of several blocks of arbitrary Puppet code to execute. If it would be sufficient to emit the message into the master 's log, then there is a set of functions for that purpose. or use the 'resolvconf --disable-updates' exec resource's 'unless' parameter to test for a running unbound daemon prior to installing the package. Valid options: String. local service ntpd start How can I make Puppet run this command once on all servers? I want to Puppet's if statement allows you to change the manifest behavior based on the value of a variable or an expression. exec { ‘SETHELLO’: command => ‘Add-Content -Path c:\test. Sometimes a simple creates isn't enough to determine if an exec should run or not. 1. e. Try checking the puppet master log at /var/log/puppetmaster. Load 7 more related questions Show fewer. 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). For detailed information about built-in types, see the Resource type reference. Alternatively, if that is valid, call the prior script through the latter's onlyif or unless parameter, instead of as its own exec resource. My approach is to build an array (or list) of only the titles in hiera and then iterate over them in a PowerShell 'only if' or 'unless'. Expand. All groups and messagesCreate A Puppet Configuration File. exe /s "$ {timezone}"", unless => "cmd. 4. e. Since I don't have Puppet 4. exe /C: exec { 'configure_timezone': command => "tzutil. You can use Puppet variables in an EPP template to customize its output. exe startup arguments, so local scope will always return Bypass, thus causing it to fail on the unless every time. You may need to reboot the system after enabling if SELinux was. Background: I am upgrading our lxc puppet module to support the emerging unprivileged LXC technology. 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 CentOS/Puppet installation process should already have created a directory called /etc/puppet (If it hasn’t, create it with mkdir /etc/puppet ). Puppet provides a built-in exec type that is capable of executing commands. Adds a new exec provider for executing PowerShell commands. Puppet is about describing state and making sure things only have to run once. exe startup arguments, so local scope will always return Bypass, thus causing it to fail on the unless every time. Learn to use Bolt to execute commands on remote systems, distribute and execute scripts, and run Puppet tasks or task plans on remote systems that don’t have Puppet installed. Puppet provides a built-in exec type that is capable of executing commands. As an example I have a powershell script that opens notepad:. Resource default for the exec type A resource default statement set default attribute values for a given resource type. d/pgsql. The difference between platform engineering and DevOps is pretty nuanced. Puppet File resource runs despite Exec unless. exe invocation as the command. 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. unless => "powershell. In your case, the Exec is always successfully applied. As far as I know, the basic file type in Puppet only handles discretionary permissions that only allow for one group and one owner. Ensure directory tree exists. Hot Network Questions tcpdump -vvv is not verbose enough In which situations or societies do people not take turns to. I am poorly familiar with the puppet language but would guess something like this to execute the jar file: exec { 'jar_execution': command => 'cmd. jar', } Should this be part of the manifest which could look like this?Each value in the Puppet language has a data type, like “string. This tells Puppet to run aspnet_regiis. I have Puppet master 3. Puppet File resource runs despite Exec unless. If you declare users as virtual resources , you can then use 'realize' or the collection syntax ( User <|. Puppet Exec resource to apply only when a File changes. The Win32 APIs define exit. exe; Backslashes only. Puppet - How to purge a directory. The command parameter is the PowerShell code you want to run on your node. Expressions are statements that resolve to values. This can be used with bash on Linux,. Conditional statements allow you to write Puppet code that will return different values or execute different blocks of code depending on conditions you specify. |>). So I assume when the puppet agent runs on my node I should NOT see pkill -SIGQUIT mysqld; sleep 5; systemctl restart mysqld execute. e. I tested using an Exec with an unless parameter that emits the message, but Puppet does not seem to print the output of the unless command. Thus, a package can not both be installed at a particular version and marked held using dpkg. The script remaps several legacy user id's that conflict with local system users. Like if statements, case statements choose one of several blocks of arbitrary Puppet code to execute. 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. My notes on how to make it work for complex multi-exec configurations. 1. If the file does not exist then the Exec succeeds without running /bin/true. However, if all you want is to. You can set different levels of permissions for different users or groups, allowing them to read, change, or even delete. 17 also improves the way typed class parameters are checked. , 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. Usage. 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 in Puppet without the module. On Windows, most exit codes should be integers between 0 and 2147483647. It applies the resource on the left before the resource on the right. So the "cwd" now impacts the path of the "onlyif". Puppet exec - fails to execute command as user. Depending on your client's platform you can use ACLs to grant varied permissions to more than one group or user. Iteration functions. pp in the Puppet command prompt. you have no choice (to my knownledge) currently than to use the exec resource with creates + onlyif or unless directives. They take a Boolean condition and an arbitrary block of Puppet code, evaluate the condition, and if it is false,. exec { 'nagios-permissions': command => "/usr/bin/chown -R nagios:nagios $ {confdir}", onlyif. Adding a / to the end of a file name isn't enough to tell puppet to. Assignment operator. service ntpd stop ntpdate ntp3. Modules.