Puppet File resource runs despite Exec unless. Mar 25, 2015 at 21:56 @Fr3edom21 if this answer is acceptable, please accept it as the answer. Any command in an exec resource must be able to run multiple times without causing harm — that is, it must be idempotent. Publish a module; Topics. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. If Puppet is managing the user that an exec should. unless => 'bash -c "test -d /home/user/tmp/new_directory"', Should work too. If none of the cases match, Puppet will do nothing and move on. 3 puppet exec returned 1 instead of [0] 0 Puppet strange behaviour of execs. This can be used with bash on Linux,. This release documents the noop behavior of the onlyif and unless parameters of the exec resource. Create exec resources with metadata to ensure it is idempotent. Any recommendations on running. 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. As far as I know, the basic file type in Puppet only handles discretionary permissions that only allow for one group and one owner. Having chosen an Exec instead, it was unnecessary to introduce sudo into the command. a sysadmin might manually run it. Puppet check if a nagios resource exists. Puppet provides a built-in exec type that is capable of executing commands. 2. Puppet Exec tag onlyif troubles. If. This means a resource with noop => false will be changed if necessary, even when. To run an exec task, use the task command, specifying the command to be executed. "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 ). Remove the leading . sudo -u fred /usr/bin/echo "hola dan" Note that I used sudo -u in favor of sudo su -. The difference between platform engineering and DevOps is pretty nuanced. pp in the Puppet command prompt. 4. In addition I need to run only if it detects an older version of the and is not on a certain server and then install the new version. exe /s "$ {timezone}"", unless => "cmd. If you do need to do it via say the exec resource, then @16c7x's statement is correct. Share. Adds a new exec provider for executing PowerShell commands. See the Puppet Type Reference for the exec resource and look for unless and onlyif. The commands in an Exec resource either have to be fully qualified (i. “Unless” statements Syntax Behavior Conditions Case Statements Syntax Behavior Selectors Location Syntax Behavior Expand Conditional statements let your Puppet. 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. Puppet Defines Desired State. Puppet File resource runs despite Exec unless. Yet when I run puppet agent -td I see that the puppet agent IS executing pkill -SIGQUIT mysqld; sleep 5; systemctl restart mysqld. 1. Modules that are supported by Puppet, Inc. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. This tells Puppet to run aspnet_regiis. 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. Yet when I run puppet agent -td I see that the puppet agent IS executing pkill -SIGQUIT mysqld; sleep 5; systemctl restart mysqld. Puppet advanced default params. Visit Stack ExchangeYes, you'd put a script into your modules path under a facts. (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. "Unless" statements work like reversed if statements. John. Installing servers with Puppet is a real plus compared to shell (yeah captain Obvious!). 0. e. exe only when the aspnet_banking_app is created or changed. Resource default for the exec type A resource default statement set default attribute values for a given resource type. } @choover Unfortunately that won't work. Puppet exec unless doesn't appear to work how I expect. Default: Undefined. Exec type's onlyif and unless in --noop documented. 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. Because the Exec requires the File to (conditionally) be applied first, its own unless parameter would not be evaluated in time to affect that, even if there were a way it could do. As a result, the chown in the main command always is run, and that is reported. You can use the unless parameter to only execute the statement in certain states. Q&A for work. How to ensure Service is restarted before commands from Exec resource execute? 0. However, when I clean my /tmp and apply the manifest again, it fails because the first exec doesn't executed. refreshonly => true on an Exec resource requests that its command be run only in the event that the resource is refreshed. He just built and performed the lead puppet for a Toronto television pilot. domain. ##Development. 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. I read the message you ask about as saying that the Exec was not refreshed, so the command will not be run. The Puppet exec resource has OnlyIf and Unless attributes which can be used to limit when the command is invoked; e. This means you. Puppet is an open-source configuration management tool from Puppet Labs. 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. The default behavior is to report the exit code only for the last command in the pipeline. The simplest solution is to use the shell provisioner to install Puppet modules via module install after the Puppet installation (unless you are using a Vagrant box with Puppet baked in,. I am struggling with how to pass a puppet variable through to powershell. exe create MyService start= auto binPath= "C:path oyour. 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. Adds a new exec provider for executing PowerShell commands. 1 Answer. 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. NORTHWEST LIBRARY FEDERATION. Learn more about TeamsPuppet provides a built-in exec type that is capable of executing commands. As per the exec documentation, the onlyif/unless exec command result will override the receipt of refresh. Puppet provides a built-in exec type that is capable of executing commands. This says "get-chocolatey" should happen before any package resource with a Chocolatey provider. Puppet Resources are the building blocks that puppet uses to model system configurations. 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. 2. 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. Your best bet is to run the action as a script and set up the PATH inside the actual script. If invoked by a normal user, it checks against the list of unprivileged containers stored for this particular user. You can validate that a manifest's syntax is correct by using the command puppet parser validate. 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. Then, you can install the Nuget package via the package resource in Puppet. puppet agent -td --evaltrace --profile > agent_debug. Puppet: deploy file unless it exists. In conjunction with Facter, which makes details of a machine available as variables. This style guide promotes consistent formatting in the Puppet language, giving you a common pattern, design, and style to follow when developing modules. So in. So in. 3. 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. 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. Validate your manifest with puppet parser validate. Tags. But, only deploy the scripts when certain file exists, one that would only exist on the first puppet run after build. A statement to determine if the wls_exec must execute. exe -NoProfile -NoLogo . I am trying to set some powershell inline cmdlets within puppet recipes in order to install other msi packages and powershell scripts. Modules that are supported by Puppet, Inc. Only supported on Windows Server 2003 and above, and Windows 7 and above. If the query specified in the unless parameter returns one or. exec { 'mysql post cmd1': command => 'whatever', require => Mysql::Db['cosmed'], unless => 'command to check that this exec has been applied. Among them, notice (), info (), and debug () seem the. g. So in pseudocode: IF postfix is installed DO touch /tmp/wehavepostfix DONE. To run an exec task, use the task command, specifying the command to be executed. 2. config/autostart ]' is not qualified and no path was specified. All modules; Supported modules; Modules with tasks; Contribute. puppet exec command issue. exec. supported Adds a new exec provider for executing PowerShell commands. 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. Sequence of Execs in Puppet. # Setting Powershell Execution Policy to unrestricted exec { 'Set PowerShell execution policy unrestricted': command => 'Set-ExecutionPolicy Unrestricted', unless. 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. 3 I am experiencing puppet exit code 1 when running any powershell script that starts or invokes a process. Or even better, split the shells parts into separate exec resources with dependencies and unless parameters. exec { ‘SETHELLO’: command => ‘Add-Content -Path c:\test. 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. On Windows, most exit codes are integers between 0 and 2147483647. When you share a folder on your computer, other users on the same network can access the files and folders inside it. You can use onlyif, unless, creates and refreshonly to manage the case when you want the command to execute. Puppet Exec tag onlyif troubles. where read = 4, write = 2, and execute/search = 1. refresh: Command to execute if the resource is refreshed due to a notify or subscribe. The logoutput parameter just logs the output to the. If Puppet were running without privilege then sudo would not help, because Puppet would not provide a. Puppet does not know about the files which are been modified by the shell 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. Sorted by: 18. Expand. execute (command, options = NoOptionsSpecified) ⇒ Puppet::Util::Execution::ProcessOutput (also: util_execute) Executes the desired command, and return the status and output. Discover. exec command unless directory exists in puppet. Here's an example: @user { 'foo': groups => ['somegroup'], membership => minimum, } Then realize that virtual user with then collection syntax: User <| title == foo |>. Try again and this time show the failure. EPP has two tags for Puppet code, optional tags for parameters and comments, and a way to escape tag delimiters. I want to check if the file exists in the client. exec command unless directory exists in puppet. This runs the first-exec, and unless /var/exists it runs the second-exec. This means that if a file is currently a directory,. 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. Welcome to the Puppet CookBook. 1. Since I don't have Puppet 4. Description. Create this file only if it does not exist, or Start this windows service unless it’s already running. '". PUP-11199. Manage local groups . 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. (See the notes on refreshing below. 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. refreshonly: Only run the command if the resource is refreshed due to a notify or subscribe metaparameter; cwd: Sets the working directory. Purging resources in Puppet requires two conditions: a type which supports listing instances (at least one provider has a self. the unless attribute provides a condition. E. Plans. if exec joins the domain, it should have an unless condition that tests whether or not the machine is part of the domain. If the path isn’t set, you must fully qualify the command’s name. Puppet Exec resource to apply only when a File changes. Your fact could be something like this: #!/bin/bash if [ -f /my/file. Puppet exec unless doesn't appear to work how I expect. I don't think there is an exception handling in a programmatic way you would like in Puppet. 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. 0. Adds a new exec provider for executing PowerShell commands. txt 2>&1. The one thing the exec doesn't need to do is put the service in a started state. 1 Answer. fail when a file exist in puppet. Windows shared folder is a folder that has been configured to be accessed by multiple users over a network. ;) – ferventcoder. Although that can work, I urge you to consider instead packaging up your service (as an RPM, DEB, or whatever is appropriate for your system), putting it in a suitable repository, and managing its installation via a Package resource. Modules that are supported by Puppet, Inc. execute update-grub, which would look for avaliable kernels and would add related configs to the menu. It would be better to explicitly "exit 0" whenever you do not "exit 1". 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. Puppet provides a built-in exec type that is capable of executing commands. 7. 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. 0. In this blog post, we'll make it simple with definitions and examples to explain the basics of platform engineering vs. Adding a / to the end of a file name isn't enough to tell puppet to. 1. Puppet has two main ways to declare classes: include-like and resource-like. at deployment time, but figured it would be best to have Puppet manage it. Sequence of Execs in Puppet. 1. 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. The code that creates the container is executed unless the following test if the container exists succeeds: lxc-info -n ${lxcname} >/dev/null. 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. Valid options: String. Puppet 7. Explanation. 1. Puppet - Check if package is installed, but do not require it. Without one of these conditions, the exec will run on every run of the puppet file which is generally undesirable. ##Development. My notes on how to make it work for complex multi-exec configurations. Adds a new exec provider for executing PowerShell commands. When a lambda requires extra information, pass it to a function that provides the information and to evaluate the code, possibly multiple times. 4. 1. Since Puppet 2. And as for the title of this question which I originally overlooked. 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. notify. unless => "powershell. This example specifies defaults for the exec resource type attributes path , environment , logoutput , and timeout . –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. From the puppet i get the error:The solution is to invoke bash with the command as an argument, i. (2) it is unclear from your description whether the Exec's command is actually run (vs. password is not getting changed to the default password and also. Understand the syntax and function of the if, unless, case, and selector statements. Puppet File resource runs despite Exec unless. Based on that documentation, a when statement was added: - name: add vhost sensu command: rabbitmqctl add_vhost /sensu when: rabbitmqctl list_vhosts | grep sensu. If you are using Puppet 3. 6. The Win32 APIs. --Puppet::Type. Search. The 'unless' and/or 'ifonly' commands must run every time, though. 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. The command specified causes the exec to be triggered unless the command specified returns a success (zero) 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. #####unless Runs the exec, unless the command returns 0. An example in Puppet 2. Like if statements, case statements choose one of several blocks of arbitrary Puppet code to execute. d/pgsql. You might consider using an 'unless' or 'onlyif' parameter in there so that your resource is only evaluated when first setting up the replica set. This is a textbook case where you should write the test first, and the code after. 9]: FAILED! => {"failed": true, "msg": "The conditional check 'rabbitmqctl. It doesn't even cause clutter in the logs! See also. ), and can log the child process output and exit status. Valid options: String. In Puppet, when using the exec resource, you can specify an "unless" attribute. 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. The Puppet Design Philosophy Before we begin to explore best practices with Puppet, it’s valuable to understand the reasoning behind these recommendations. 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 in Puppet. Publish a module; Topics. g. Since moving to Puppet 5. The file will be generated in the directory you're currently in, unless you specify otherwise. I think this is due to how the PowerShell module calls PowerShell - it passes -ExecutionPolicy Bypass as part of the powershell. In the modified question, the resources involved have such a relationship already. 5. 7. This is where refreshonly backfires rather terribly. log. Share Puppet can execute binaries (exe, com, bat, etc. {"payload":{"allShortcutsEnabled":false,"fileTree":{"manifests":{"items":[{"name":"fcontext","path":"manifests/fcontext","contentType":"directory"},{"name":"boolean. 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. Like if statements, case statements choose one of several blocks of arbitrary Puppet code to execute. I am just putting small snippet here to show you what its doing. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. puppet exec returned 1 instead of [0] 1. 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. 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. On reboot, the directory doesn't exist, strangely enough. Stack Exchange Network Stack Exchange network consists of 183 Q&A communities including Stack Overflow , the largest, most trusted online community for developers to learn, share their. Node definition. Only supported on Windows Server 2003 and above, and Windows 7 and above. The onlyif and unless commands of an exec are used in the process of determining whether the exec is already in sync, therefore they must be run during a noop Puppet run. Puppet File resource runs despite Exec unless. Puppet does not execute statements in linear order (as is the code written) unless you define some constraints. 0 on RHEL 6 and am doing package management via the exec resource. In the Puppet language, nearly everything is an expression, including. 1. So having Puppet do it automatically will help with that. Try again and this time show the failure. loki77. Code so far (which is not working) is: Hiera snippet:By default, Puppet agent runs as the Administrator account, which has this privilege. For example, the value String represents the data type of strings. 2. Modules that are supported by Puppet, Inc. Puppet can run binary files (such as exe, com, or bat), and can log the child process output and exit status. And if you do intend to resolve it as a. 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. Manage local groups . Thus:I only want to execute that if the hostname is not what it should be: exec { 'update hostname': command => 'sudo hostname VM01', unless =>. I need puppet to execute a script that is inside an installed app. I am wondering whether it is possible to have Puppet only stop and disable a Windows service if it exists. 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. 1. Topics. Conversations. How to pass multiple values in exec command resource in puppet? Hot Network Questions How to extract coefficients and powers from expressions with non integer powers?This is such a common requirement that puppet has a single property that "does the right thing". . com I am trying to create Puppet exec that would only execute if certain Windows registry value does not exist. Improve this answer. telnet < puppetmaster ip address dns name> 8140. Puppet File resource runs despite Exec unless. November 8, 2023. Puppet: Exec from class when Exec from another class is successful. you can check this quickly with the telnet command. 0. exec power shell script having corrective action every time. Windows puppet exec command file path. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. . The Puppet “exec” resource allows users to run commands and scripts on nodes. Puppet have a defined resource fail if a variable is set to undef. 1. exe /c C:/test. 0. A puppet show is a great way to entertain the kiddos at your next event! Find the best puppet shows in Victoria, BC and request free quotes today. Learn more about TeamsUnless puppet supports escaping somehow. Puppet is an amazingly powerful and flexible tool. 00 GiB'and $::facts['processorcount'] >= 2 and Exec['port_connectivity'] condition was successful. Q&A for work. Puppet strange behaviour of execs. There are a few important parameters to use when writing an exec resource with PowerShell. Exec ['get-chocolatey'] -> Package<| provider == 'chocolatey' |>. With Bolt on the command line, run bolt task run exec command=<COMMAND>. After changing topology strategy, cassandra should rebuild keyspace - this is where puppet comes. You can use these special values to examine a piece. exec command unless directory exists in puppet. One thing that you can do (and I don't recommend) and that is not "puppet way" is following:If you want to specify to take a given action if file exists, if file doesn't exist etc. I read the message you ask about as saying that the Exec was not refreshed, so the command will not be run. 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. See the Puppet Type Reference for the exec resource and look for unless and onlyif. 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. Expressions can be compounded with other expressions, and the entire combined expression resolves to a single value. 26th - 28th Surrey Sparks Stages - Puppet-making workshops Surrey BC. 5. My concept is Execute the script if the output from az --help give nothing (which mean there's no Azure install)Puppet exec unless doesn't appear to work how I expect. You can set different levels of permissions for different users or groups, allowing them to read, change, or even delete. The --debug flag enables verbose logging. 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. ” These values represent the other data types. Basically, it makes it so you can use PowerShell Modules exactly like you use Puppet modules. exec { 'nagios-permissions': command => "/usr/bin/chown -R nagios:nagios $ {confdir}", onlyif. 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. Puppet exec - fails to execute command as user. See provider/exec. In any given case, you should use whichever approach makes sense. Do you have reason to think that there's something wrong. Puppet Exec with no command attribute. } Puppet: Conditional exec using unless-option. If the query specified in the unless parameter returns one or more records, the main statement is skipped. An example in Puppet 2. You can also set variables within the manifest, which can change the. Puppet exec unless doesn't appear to work how I expect. The whole idea of adding this step is to check and execute the command- makeswap only if the swap is not in place. I am trying to use code like this: exec { 'example':. 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. Puppeteer Script Works Local But Not On EC2 AWS. Puppet provides a built-in exec type that is capable of executing commands. Puppet’s behavior when declaring or assigning a class with both styles is undefined, and will sometimes work and sometimes cause compilation failures. First, change the require arrow to a notify arrow, from -> to ~>. exec { "Test": command => "/bin. Modules.