Tags. The script remaps several legacy user id's that conflict with local system users. Puppet exec unless doesn't appear to work how I expect. Publish a module; Topics. Unless you are sharing with the world, you don’t need most. 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. 20. {"payload":{"allShortcutsEnabled":false,"fileTree":{"lib/puppet/type":{"items":[{"name":"file","path":"lib/puppet/type/file","contentType":"directory"},{"name. For example, the value String represents the data type of strings. If you are using Puppet 3. 1. 0powershell. Teams. Puppet: 'creates' does not create. Usage. 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 documentation for Exec's onlyif tag says this: onlyifThe exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. you have no choice (to my knownledge) currently than to use the exec resource with creates + onlyif or unless directives. You can use the unless parameter to only execute the statement in certain states. For. Plans are sets of tasks that can be combined with other logic. Explanation. However, this manifest will exec the command every time the puppet client checks in with the puppet master. I read the message you ask about as saying that the Exec was not refreshed, so the command will not be run. Important: This API has severe problems — most notably, functions that use it will leak between environments. }Puppet: Conditional exec using unless-option. /usr/bin/test instead of test) or the path attribute of that Exec resource has to be set. 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. This consistency in code and module structure makes it easier to update and maintain the code. Puppet provides a built-in exec type that is capable of executing commands. } Puppet: Conditional exec using unless-option. Puppet: exec onlyif value is not equal. Modules that are supported by Puppet, Inc. The script remaps several legacy user id's that conflict with local system users. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. Node examples. You can also set variables within the manifest, which can change the. notify is set on the user, and refreshonly is set on the exec. Adds a new exec provider for executing PowerShell commands. execute update-grub, which would look for avaliable kernels and would add related configs to the menu. The Puppet “exec” resource allows users to run commands and scripts on nodes. For example, command => 'cmd. 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 release documents the noop behavior of the onlyif and unless parameters of the exec resource. 0. at deployment time, but figured it would be best to have Puppet manage it. Adds a new exec provider for executing PowerShell commands. 0\powershell. I don't think there is an exception handling in a programmatic way you would like in Puppet. Setting noop=>false means your file resource will always be applied, even in a noop run. 2 but are only using architecture-appropriate. unless => 'bash -c "test -d /home/user/tmp/new_directory"', Should work too. And as for the title of this question which I originally overlooked. You need to put the rabbitmqctl list_vhosts | grep sensu in a separate task and register the result to use it in the when clause. This means that if a file is currently a directory,. Aside from being good. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. 0. However currently I am struggling to figure out how to do this. This differs from some other languages where looping constructs are special keywords. You can validate that a manifest's syntax is correct by using the command puppet parser validate. I am just putting small snippet here to show you what its doing. Modules that are compatible with Puppet Development Kit (PDK) validation and testing tools. And, since that file will no longer exist after the first reboot, subsequent puppet runs would NOT deploy these 2 scripts unless the host was rebuilt. How to set environment variables in Ubuntu OS using Puppet. d/pgsql. As per the exec documentation, the onlyif/unless exec command result will override the receipt of refresh. Alternaitve 2: Use Augeas: seems overkill for a simple search & replace. This can be used with bash on Linux, but with the PowerShell provider, it can run PowerShell on Windows and Linux nodes as well. Plans. Puppet Exec with no command attribute. Windows puppet exec command file path. Here is my code (Puppet): exec { 'Download mediawiki to temp': cwd. He just built and performed the lead puppet for a Toronto television pilot. exe invocation: exec { 'test': command => 'C:\Windows\System32\WindowsPowerShell\v1. Modules that are supported by Puppet, Inc. Right now, I have the bit below for certain nodes:open-vm-tools. To run an exec task, use the task command, specifying the command to be executed. I would like to simply set a few environment variables in the . John. Another way to control an exec resource is to add a refreshonly => true attribute. exe invocation as the command. The Puppet “exec” resource allows users to run commands and scripts on nodes. 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. 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. d directory, then puppet agents pull it down and execute it on every run and provide the fact. This can have severe impacts to the machines, especially if security settings are defined in a wrong way. 0 Output on one command cause next one to fails. The risk of course is that Puppet runs more than once in that hour, e. 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. 163k 8 82 159. I am getting different errors and i was thinking on changing the approach and add those inline cmdlets into a . puppet seems to execute the command in a way that means it never runs successfully. 0 and above would look like this: exec { "apt-update": command => "/usr/bin/apt-get update" } Exec["apt-update"] -> Package <| |> Every time a package command is executed, the dependency (in our case 'apt-update') will be triggered fist. The Forge is an online community of Puppet modules submitted by Puppet and community members. onlyif and unless in --noop documented. Without one of these conditions, the exec will run on every run of the puppet file which is generally undesirable. 0 through 3. 2. Share Puppet can execute binaries (exe, com, bat, etc. In many cases, such commands get only one chance to fire. 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. , for example, the Exec resource being. 1. Googling unless ansible showed this document about when. Re-writing scripts into manifests is time-consModules that are compatible with Puppet Development Kit (PDK) validation and testing tools. As an example I have a powershell script that opens notepad:. You can use expressions almost anywhere a value is required. However, I strongly recommend that you do not use any kind of non-conditional exec with puppet. This is a textbook case where you should write the test first, and the code after. 2 Answers Sorted by: 6 test work for me at /usr/bin, so adding it to path could solve error. 12 behavior got changed to match the intention. exec { ‘SETHELLO’: command => ‘Add-Content -Path c:\test. That command will always return 0 (true): it just tests whether the given string is nonempty. Publish a module; Topics. See the Puppet Type Reference for the exec resource and look for unless and onlyif. STILL REALLY WEIRD, but ok. To use the BoltSpec library functions, include them in either the spec_helper. 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. 1. escape. 1. Puppet check if a nagios resource exists. 1. Sorted by: 18. Puppet Exec resource to apply only when a File changes. Chaining arrows. In this blog post, we'll make it simple with definitions and examples to explain the basics of platform engineering vs. Since Puppet uses the same exec resource type on both *nix and Windows systems, there are a few Windows-specific caveats to keep in mind. The Puppet Design Philosophy Before we begin to explore best practices with Puppet, it’s valuable to understand the reasoning behind these recommendations. In any given case, you should use whichever approach makes sense. e. exec command unless directory exists in puppet. 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. cmd. if you want execute a powershell file:. The onlyif parameter is defined as. Tasks use Scripts to execute them on remote machines. It sounds like this is exactly what you need: exec { 'test_cmd': path => $::path, command => 'cmd. Since Puppet 2. Let's also assume that you're puppet module knows when do delete these files. This module adds a powershell provider to the exec type, which enables all of the exec parameters, such as creates, onlyif, unless, etc. group. Puppet File resource runs despite Exec unless. Puppet Exec Resource. I have Puppet master 3. 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. txt ]; then echo "my_fileexists=yes" else echo "my_filexists=no" fi. There are a few important parameters to use when writing an exec resource with PowerShell. refreshonly => true on an Exec resource requests that its command be run only in the event that the resource is refreshed. 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. Note: Data sources can use the special lookup_options metadata key to request a specific merge behavior for a key. 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 will not work because the Package resource type does not have an 'unless' parameter -- that's a feature specific to Exec resources. Service ['x'] will be applied either way, but if the physical service is already in its target state (stopped), then Puppet won't take any. 4. There's a generalizable form of this dependency that might be helpful in reducing the repetition of the require statement. Puppet does not execute statements in linear order (as is the code written) unless you define some constraints. 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. . Sort by Year. you can check this quickly with the telnet command. Usage. The setuid/setgid/sticky digit is also a. Note: PowerShell variables (such as $_) must be escaped in Puppet manifests either using backslashes or single quotes. You can set different levels of permissions for different users or groups, allowing them to read, change, or even delete. Puppet Development Kit. 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. I have a script that really only needs to be run one time on a server, i. 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. I want to check if the file exists in the client. The exec has refreshonly => true , which only allows Puppet to run the command when some other resource is changed. Selector statement. But because a dependency failed, Exec['Y'] will be skipped during this transaction. 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. 0 or later must be installed on the machine from which you are running task commands. e. The command specified causes the exec to be triggered unless the command specified returns a success (zero) exit status. Background: I am upgrading our lxc puppet module to support the emerging unprivileged LXC technology. Adds a new exec provider for executing PowerShell commands. 1. 🔩 Tip: Unless your module also includes tests for manifest code, add the BoltSpec helpers and configure Puppet and Bolt in spec_helper. ps1 script. Adds a new exec provider for executing PowerShell commands. 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). Adds a new exec provider for executing PowerShell commands. It logs all diagnostic messages during a Puppet run. Just. Puppet's if statement allows you to change the manifest behavior based on the value of a variable or an expression. 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. 1. You can use Puppet variables in an EPP template to customize its output. ” There is also a set of values whose data type is “data type. Adds a new exec provider for executing PowerShell commands. Puppet supports a few different ways of implementing conditional logic: ; if statements, ; unless statements, ; case statements, and ; selectors. 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. This means you. e. Case statement. I can fix this manually. 2. The service will detect it is not running and start itself if required. – tom. This example specifies defaults for the exec resource type attributes path , environment , logoutput , and timeout . 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. 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. exec. It am trying to add 'replica' user to my postgres server though puppet so i can use it in my master-salve cluster. 1 run Exec only if another Exec ran. indicates that the shell tried to execute '3' as a command, and, unsurprisingly, did not find it. If /etc/init. password is not getting changed to the default password and also. 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. refreshonly: Only run the command if the resource is refreshed due to a notify or subscribe metaparameter; cwd: Sets the working directory. 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. 17 also improves the way typed class parameters are checked. 0. Topics. Teams. The default behavior is to report the exit code only for the last command in the pipeline. Over the years of using puppet I've noticed that people often come up with the same kind of. Other built-in types. That is always handled by the service resource. Puppet File resource runs despite Exec unless. Here is the service file springboot. supported Adds a new exec provider for executing PowerShell commands. 4. {"payload":{"allShortcutsEnabled":false,"fileTree":{"manifests":{"items":[{"name":"fcontext","path":"manifests/fcontext","contentType":"directory"},{"name":"boolean. 0, to 5. When a lambda requires extra information, pass it to a function that provides the information and to evaluate the code, possibly multiple times. If a manifest has no syntax errors, the tool outputs nothing. 0 a new feature "relationship syntax" was introduced. Back to overview of wls_exec. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. ;) – ferventcoder. The ordering arrow is a hyphen and a greater-than sign ( -> ). This runs the first-exec, and unless /var/exists it runs the second-exec. Only supported on Windows Server 2003 and above, and Windows 7 and above. Adds a new exec provider for executing PowerShell commands. 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. However, I only want to apply the 'netsh advfirewall reset' exec if firewall rules other than what I have specified in Hiera exist. You should never use this API unless you absolutely must support Puppet 3. Connect and share knowledge within a single location that is structured and easy to search. 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. If it would be sufficient to emit the message into the master 's log, then there is a set of functions for that purpose. By default, Puppet returns the first value it finds, but it can also continue searching and merge all the values together. execs will always run. This means that if a file is currently a directory, setting ensure to anything but directory or present will cause Puppet to skip managing the resource and log either a notice or. See “Case Matching” below for details on how Puppet matches different kinds of cases. . And if you do intend to resolve it as a. If. In this case specifying a directory is done by setting ensure to (unsurprisingly) directory. puppet exec returned 1 instead of [0] 1. (See the notes on refreshing below. Since Puppet 2. loki77. Puppet: Exec from class when Exec from another class is successful. By using find to execute whatever commands you mean by "manage files" you should be able to accomplish your goal. After changing topology strategy, cassandra should rebuild keyspace - this is where puppet comes. Puppet exec unless doesn't appear to work how I expect. a sysadmin might manually run it. This page is about the legacy API, which uses the Puppet::Parser::Functions namespace. Puppet File resource runs despite Exec unless. exe utility (note the space after and lack thereof before the = character): exec { "install_service" : command => "$ {Sys32}sc. 2. So, in order to avoid this I am adding the refreshonly parameter as follows. Menu Log In List your. command => '/path/to/script. puppet and I'm running into some issues. Expressions can be compounded with other expressions, and the entire combined expression resolves to a single value. Or even better, split the shells parts into separate exec resources with dependencies and unless parameters. 1. 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. 0 on RHEL 6 and am doing package management via the exec resource. 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. supported. puppet agent -td --evaltrace --profile > agent_debug. exe /c C:/test. 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. 2. It is. First I would like to use booleans as defined in Hiera [ auto lookup function ]. E. . However the in function seems to work with if only, when I use unless I get the following e. 0 Puppet strange behaviour of execs. Despite the -ExecutionPolicy parameter the PowerShell command will fail if execution is restricted via group policy. Running Powershell in Puppet. Your best bet is to run the action as a script and set up the PATH inside the actual script. But this configuration does not detect when any of the configuration files have been modified outside of puppet. 6. It is not possible to use bash here. 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. JULY . "Unless" statements work like reversed if statements. 1', } Puppet supports if and unless statements, case statements, and selectors. To run tasks with Puppet Bolt, Bolt 1. supported Adds a new exec provider for executing PowerShell commands. 0. 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. But either way the trailing exit statement in the command will return a non-zero exit code if that happens. If the path isn’t set, you must fully qualify the command’s name. So I assume when the puppet agent runs on my node I should NOT see pkill -SIGQUIT mysqld; sleep 5; systemctl restart mysqld execute. 1. Detecting if windows service is already installed using puppet exec. 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. Share. Unless you are sharing with the world, you don’t need most. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. If this parameter is set, then this exec will only run if the command has an exit code. We explore practical examples and best practices for handling procedural requirements when we look at the exec resource type in Chapter 5. Running Powershell command directly using Puppet exec resource. Alternately, you can put the PowerShell code. How do you configure a Puppet exec to execute another command as part of onlyif. I am trying to run a Powershell command directly using Puppet exec resource instead of specifying path to the Powershell script. 1. Puppet Resources are the building blocks that puppet uses to model system configurations. TJL. 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. Any command in an exec resource must be able to run multiple times without causing harm — that is, it must be idempotent. exe create MyService start= auto binPath= "C:path oyour. how to ensure puppet exec run on every event triggered? 0. , unless you really intend to resolve that path against the working directory. I would like to add a number of control gates into my manifest via onlyif and unless. 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. 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. 2 install on Ubuntu 18. at deployment time, but figured it would be best to have Puppet manage it. When using cmd. The CentOS/Puppet installation process should already have created a directory called /etc/puppet (If it hasn’t, create it with mkdir /etc/puppet ). 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. They take a Boolean condition and an arbitrary block of Puppet code, evaluate the condition, and if it is false,. If invoked by a. 0. How to set Powershell ExecutionPolicy via Puppet exec command with unless property on Windows? 1. Modules that are supported by Puppet, Inc. Puppeteer Script Works Local But Not On EC2 AWS. There are times when you have a complex script that you just need to get into configuration management. log. TJL. config/autostart ]' is not qualified and no path was specified. 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. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. 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. Check your syntax by entering puppet parser validate c:\myfiles\file. Modules that are supported by Puppet, Inc. refreshonly => true on an Exec resource requests that its command be run only in the event that the resource is refreshed. Puppet: how to remove a directory and everything in it. Puppet reboot in stages. Unless required by applicable law or agreed to in writing, Licensor provides the Work (and each Contributor provides its Contributions) on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any. Puppet File resource runs despite Exec unless. [Unit] Description=My Webapp Java REST Service [Service] User=ubuntu # The configuration file application. This tells Puppet to run aspnet_regiis. Puppet PowerShell Execution. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platformsExpand. com I am trying to create Puppet exec that would only execute if certain Windows registry value does not exist. supported Adds a new exec provider for executing PowerShell commands. 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/. Puppet is about describing state and making sure things only have to run once. Follow#####unless Runs the exec, unless the command returns 0. You can also set variables within the manifest, which can change the. This module adds a powershell provider to the exec type, which enables exec parameters, listed below. I assume the default behavior of the parser is such that if it receives an array. Puppet avoids destroying directories unless the force attribute is set to true. However, this manifest will exec the command every time the puppet client checks in with the puppet master. The first one downloads ZIP file with binary (unless the binary has already been installed) and saves it to /tmp. 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. command => '/path/to/script. Like if statements, case statements choose one of several blocks of arbitrary Puppet code to execute. Puppet Inc modules on the Puppet Forge are open projects, and community contributions are essential for keeping them great. powershell conditional IsNullorEmpty not working as planned. Writing some classes for cassandra, one of them is to align clustering settings using puppet exec etc. 7. Manage local groups . If the file does not exist then the Exec succeeds without running /bin/true. 1. Puppet can run binary files (such as exe, com, or bat), and can log the child process output and exit status. 9]: FAILED! => {"failed": true, "msg": "The conditional check 'rabbitmqctl. Q&A for work. Adds a new exec provider for executing PowerShell commands. Share. Unless you tell your exec not to run for some reason or another, it will always run. And after that, run puppet agent with pluginsync enabled, and you can use custom type like this:. There are a few important parameters to use when writing an exec resource with PowerShell. Local user accounts are often desirable for isolating applications requiring unique permissions. Modules that are supported by Puppet, Inc. Puppet for Windows and Powershell Recipes. code. For example, to view the free disk space of a host, run: With. 7. Is there a way to tell puppet to only execute command if one of the files does not exist? 0. Puppet File resource runs despite Exec unless. exe startup arguments, so local scope will always return Bypass, thus causing it to fail on the unless every time. The commands in an Exec resource either have to be fully qualified (i. Puppet can run binary files (such as exe, com, or bat), and can log the child process output and exit status. 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. Like if statements, case statements choose one of several blocks of arbitrary Puppet code to execute. I don't think there's something built into Puppet.