unless: A shell command that is run as a test to determine if the command should not run. Sequence of Execs in Puppet. Puppet: how to remove a directory and everything in it. Puppet exec unless doesn't appear to work how I expect. The Forge is an online community of Puppet modules submitted by Puppet and community members. Unless you tell your exec not to run for some reason or another, it will always run. Puppet: Conditional exec using unless-option. Puppeteer Script Works Local But Not On EC2 AWS. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. 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. command => '/path/to/script. The problem is Exec['apt-update'] is always performed (i. (2) it is unclear from your description whether the Exec's command is actually run (vs. I am getting different errors and i was thinking on changing the approach and add those inline cmdlets into a . 2. 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. 2. TJL. Sorted by: 0. For example, to view the free disk space of a host, run: With. You can set different levels of permissions for different users or groups, allowing them to read, change, or even delete. 7. 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. Connect and share knowledge within a single location that is structured and easy to search. The Windows module pack is a group of modules available on the Forge curated to help you complete common Windows tasks. My first idea came in the lines of (within a class):One minor nitpick regarding Womble's answer: the puppet style guide recommends using single quotes unless you need double quotes for variable interpolation. The strange thing is that when I reboot my machine and re-run puppet apply, it reruns the creation of this directory on every reboot. When using cmd. Puppet File resource runs despite Exec unless. Another way to control an exec resource is to add a refreshonly => true attribute. Puppet’s behavior when declaring or assigning a class with both styles is undefined, and will sometimes work and sometimes cause compilation failures. sudo -u fred /usr/bin/echo "hola dan" Note that I used sudo -u in favor of sudo su -. 1. when i do it manually ("CREATE ROLE replica ENCRYPTED PASSWORD '123';") it does work, but for some reason it does not work from the puppet. Sends an arbitrary message, specified as a string, to the agent run-time log. 1. Adds a new exec provider for executing PowerShell commands. refreshonly => true on an Exec resource requests that its command be run only in the event that the resource is refreshed. It's important to note that the notify resource type is not idempotent. exe /C: exec { 'configure_timezone': command => "tzutil. txt –Value “Hello”’, logoutput => true, provider => powershell, } } The three parameters I use in this manifest are command, logoutput and provider. Backslashes MUST be used in:. silent way to import registry file via puppet module. exec { 'mysql post cmd1': command => 'whatever', require => Mysql::Db['cosmed'], unless => 'command to check that this exec has been applied. where read = 4, write = 2, and execute/search = 1. ##Limitations. 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. This example specifies defaults for the exec resource type attributes path , environment , logoutput , and timeout . Learn more See the exec documentation for the command, unless, and onlyif. If you remove the parameter it will also fail if the regular execution policy is set to Restricted. ), and can log the child process output and exit status. Check your syntax by entering puppet parser validate c:\myfiles\file. If this parameter is set, then this exec will only run if the command has an exit code. 0. exec power shell script having corrective action every time. I read the message you ask about as saying that the Exec was not refreshed, so the command will not be run. ) I am running Puppet v3. 🔩 Tip: Unless your module also includes tests for manifest code, add the BoltSpec helpers and configure Puppet and Bolt in spec_helper. 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. Puppet exec unless doesn't appear to work how I expect. The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the command unless some condition is met. This can have severe impacts to the machines, especially if security settings are defined in a wrong way. The logoutput parameter just logs the output to the. 2. 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. 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. 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. unless => "powershell. 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. unless => 'bash -c "test -d /home/user/tmp/new_directory"', Should work too. In the modified question, the resources involved have such a relationship already. You should never use this API unless you absolutely must support Puppet 3. 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. First I would like to use booleans as defined in Hiera [ auto lookup function ]. When a lambda requires extra information, pass it to a function that provides the information and to evaluate the code, possibly multiple times. Understand the syntax and function of the if, unless, case, and selector statements. Puppet exec - fails to execute command as user. I am poorly familiar with the puppet language but would guess something like this to execute the jar file: exec { 'jar_execution': command => 'cmd. Following code updating file /etc/sysctl. Puppet Exec resource to apply only when a File changes. In particular, if you ensure the file absent then it is probably incorrect for the Exec to be triggered when the file is brouught into that state. Puppet Exec with no command attribute. d/pgsql. Wow. Windows puppet exec command file path. 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. But, only deploy the scripts when certain file exists, one that would only exist on the first puppet run after build. It is a limitation of the underlying system. 0. Project. Puppet: Conditional exec using unless-option. Puppet is about describing state and making sure things only have to run once. The Puppet exec resource has OnlyIf and Unless attributes which can be used to limit when the command is invoked; e. at deployment time, but figured it would be best to have Puppet manage it. The whole idea of adding this step is to check and execute the command- makeswap only if the swap is not in place. 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. 5. Unless you are sharing with the world, you don’t need most. Since I don't have Puppet 4. Hot Network Questions Cause-effect definition of fictitious forcesAdds a new exec provider for executing PowerShell commands. 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. txt ]; then echo "my_fileexists=yes" else echo "my_filexists=no" fi. 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. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. As a suggestion:I am using Puppet installed with the powershell module. You may need to reboot the system after enabling if SELinux was. Validate your manifest with puppet parser validate. ##Development. 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 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. 0. 1. If the query specified in the unless parameter returns one or. My understanding is that if the second exec fails, the defined resource type should NOT be refreshed. All modules; Supported modules; Modules with tasks; Contribute. This differs from some other languages where looping constructs are special keywords. Resource default for the exec type A resource default statement set default attribute values for a given resource type. Platform Engineering. Usage. Puppet running exec. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. The command specified causes the exec to be triggered unless the command specified returns a success (zero) exit status. When I apply the manifest for the first time, it works correctly. The command specified causes the exec to be triggered unless the command specified returns a success (zero) exit status. 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. 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. sh', } Keep in mind that puppet is for enforcing the state defined in the manifests rather than running chains of. Puppet exec - fails to execute command as user. Do you have reason to think that there's something wrong with. Discover. The shortest path to creating better Puppet modules. ¯_ (ツ)_/¯. exe /c java -jar foo. if statement, using expressions and facts. 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. In conjunction with Facter, which makes details of a machine available as variables, this lets you write Puppet code that flexibly accommodates different platforms, operating systems. This tells Puppet to run aspnet_regiis. onlyif and unless in --noop documented. As an example I have a powershell script that opens notepad:. 0 Puppet strange behaviour of execs. My notes on how to make it work for complex multi-exec configurations. Shell built-ins. Puppet strange behaviour of execs. Puppet File resource runs despite Exec unless. Only supported on Windows Server 2003 and above, and Windows 7 and above. The risk of course is that Puppet runs more than once in that hour, e. This module adds a powershell and pwsh provider to the exec type, which enables exec parameters, listed below. 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. –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. 163k 8 82 159. The onlyif parameter is defined as. Which it looks like it doesn't. For example, to view the free disk space of a host, run: With. Puppet Inc modules on the Puppet Forge are open projects, and community contributions are essential for keeping them great. 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 noop When Executable does not exist yet. However, when I clean my /tmp and apply the manifest again, it fails because the first exec doesn't executed. my theme is puppet should only execute if this if $::facts['memorysize'] >= '4. Adds a new exec provider for executing PowerShell commands. – tom. ##Development. How to pass multiple values in exec command resource in puppet? 0. 0. Alternately, you can put the PowerShell code. It is. If it always returns a false (non-zero) exit code then the two. Aside from being good. I would like to simply set a few environment variables in the . I want to check if the file exists in the client. 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. 5. 1. 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. Installing servers with Puppet is a real plus compared to shell (yeah captain Obvious!). To use commands with pipe |, you must use the shell builtins work around with cmd. Certainly, Notify is right out. 3 I am experiencing puppet exit code 1 when running any powershell script that starts or invokes a process. How do I make a puppet class dependent on all of the resources it defines? 1. 4. g. 1. Create this file only if it does not exist, or Start this windows service unless it’s already running. All groups and messagesConditional execution of puppet defined resource type through exec. Execute create_resource after everything has finished or after exec has finished. 0. This statement will execute the sql statement drop table application_users on the database named db in the instance named instance. telnet < puppetmaster ip address dns name> 8140. 0 on RHEL 6 and am doing package management via the exec resource. The script remaps several legacy user id's that conflict with local system users. This release documents the noop behavior of the onlyif and unless parameters of the exec resource. This can be used with bash on Linux, but with the PowerShell provider , it can run PowerShell on Windows and Linux nodes as well. See “Case Matching” below for details on how Puppet matches different kinds of cases. Here is my code, don't worry about variable which is already set in original code. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. 04; In Puppet, the combined configuration to be applied to a host is called a catalog, and the process of applying it is called a run. user. Thus, a package can not both be installed at a particular version and marked held using dpkg. Follow#####unless Runs the exec, unless the command returns 0. 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. Here is the service file springboot. They take a control expression and a list of cases and code blocks, and. exe only when the aspnet_banking_app is created or changed. After changing topology strategy, cassandra should rebuild keyspace - this is where puppet comes. Puppet Exec resource to apply only when a File changes. , for example, the Exec resource being. Puppet provides a built-in exec type that is capable of executing commands. pp in the Puppet command prompt. 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. 12, but from 5. The difference between platform engineering and DevOps is pretty nuanced. 0 Output on one command cause next one to fails. Modules that are supported by Puppet, Inc. 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. Puppet Exec tag onlyif troubles. 1 run Exec only if another Exec ran. Puppet Exec tag onlyif troubles. However currently I am struggling to figure out how to do this. Puppet File resource runs despite Exec unless. 0. Hot Network QuestionsOn this site you can find information about supported enterprise-grade puppet modules. As best I can tell by reading the source code the "holdable" feature is fundamentally flawed. com I am trying to create Puppet exec that would only execute if certain Windows registry value does not exist. Machines receiving task requests must have SSH or. All groups and messagesCreate A Puppet Configuration File. NORTHWEST LIBRARY FEDERATION. Puppet: deploy file unless it exists. Puppet File resource runs despite Exec unless. you can check this quickly with the telnet command. Exec type's onlyif and unless in --noop documented. For. Without one of these conditions, the exec will run on every run of the puppet file which is generally undesirable. See provider/exec. "Unless" statements work like reversed if statements. Puppet strange behaviour of execs. 1. With PE on the command line, run puppet task run exec command=<COMMAND>. With Bolt on the command line, run bolt task run exec command=<COMMAND>. If executed as root, the lxc-info checks for the name among the root containers. service. g. Puppet: Conditional exec using unless-option. exec { "Test": command => "/bin. Modules that are supported by Puppet, Inc. But Puppet is quite hard to learn. Here is my code (Puppet): exec { 'Download mediawiki to temp': cwd. 0. Modules that are supported by Puppet, Inc. The service will detect it is not running and start itself if required. To use sudo non-interactively, the invoking user needs a NOPASSWD: entry in sudoers %wheel ALL=(fred) NOPASSWD: /usr/bin/echo "hola dan" Then. exe /s "$ {timezone}"", unless => "cmd. This can be used with bash on Linux, but with the PowerShell provider, it can run PowerShell on Windows and Linux nodes as well. exe startup arguments, so local scope will always return Bypass, thus causing it to fail on the unless every time. 00 GiB'and $::facts['processorcount'] >= 2 and Exec['port_connectivity'] condition was successful. I would like to add a number of control gates into my manifest via onlyif and unless. 1. I am trying to set some powershell inline cmdlets within puppet recipes in order to install other msi packages and powershell scripts. Creating a directory is another task that is handled by the powerful and flexible file type. Puppet is an open-source configuration management tool from Puppet Labs. g. 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. When something isn't builtin to file, I generally just to turn to an puppet exec declaration. It looks like you're having Puppet execute a shell script to perform the installation. The Forge makes it easier for you to manage Puppet and can save you time by using pre-written modules, rather than writing. Puppet: Conditional exec using unless-option. 3. How to set environment variables in Ubuntu OS using Puppet. Adds a new exec provider for executing PowerShell commands. 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. Puppet: exec onlyif value is not equal. exec { 'nagios-permissions': command => "/usr/bin/chown -R nagios:nagios $ {confdir}", onlyif. Load 7 more related questions Show fewer. 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. 0 or later must be installed on the machine from which you are running task commands. Puppet exec unless doesn't appear to work how I expect. Tags. That's what the ticket is about. The second one unzips it. Usage. Puppet Exec with no command attribute. exe /C tzutil. 0. If exec command was successful and facter returns true then only it should execute, but following manifest executing individually without checking whether that exec. You can read more about it here. 1. Puppet Exec resource to apply only when a File changes. config/autostart ]' is not qualified and no path was specified. Depending on your client's platform you can use ACLs to grant varied permissions to more than one group or user. 1. 0. exec { 'chkconfig': command => "/sbin/chkconfig --add $ {shutdown_script}", require => File ['shutdown-script'] } This is actually your root cause here. You can use these special values to examine a piece. From the puppet i get the error:The solution is to invoke bash with the command as an argument, i. Adding a / to the end of a file name isn't enough to tell puppet to. log. The value that represents the data type of these values is Type. In this case specifying a directory is done by setting ensure to (unsurprisingly) directory. exe /c C:/test. exec { 'update hostname': command => 'hostname VM01', path => '/usr/bin:/usr/sbin/:/bin:/sbin', unless => '[ "$(hostname)" == "VM01" ]', } You need to. Plans are sets of tasks that can be combined with other logic. 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 would be better to explicitly "exit 0" whenever you do not "exit 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. 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. 2) that no other resource is set to 'notify' Exec ['command_two']. Other built-in types. 0. Assignment operator. e. txt –Value “Hello”’, logoutput => true, provider => powershell, } } The three parameters I use in this manifest are command, logoutput and provider. 1. An example in Puppet 2. e. It am trying to add 'replica' user to my postgres server though puppet so i can use it in my master-salve cluster. Puppet : How to use "defined" type as requirement inside exec. 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. I am just putting small snippet here to show you what its doing. 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/. Create exec resources with metadata to ensure it is idempotent. #####unless Runs the exec, unless the command returns 0. if you want execute a powershell file:. A second option would be to use the schedule metaparameter: schedule { 'everyday': period => daily, range => '1:00 - 1:59', } exec { 'do your thing': schedule => 'everyday', } That assumes that Puppet really will run only once per hour. 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. Publish a module; Topics. EPP has two tags for Puppet code, optional tags for parameters and comments, and a way to escape tag delimiters. Yes, you'd put a script into your modules path under a facts. In your case, it sounds like you want the exec to run only when your file changes. Like if statements, case statements choose one of several blocks of arbitrary Puppet code to execute. Improve this answer. 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. Create this file only if it does not exist, or Start this windows service unless it’s already running. To run an exec task, use the task command, specifying the command to be executed. The Puppet “exec” resource allows users to run commands and scripts on nodes. You can use the unless parameter to only execute the statement in certain states. This example includes an elsif condition, and gives a warning if you try to include the ntp class on a virtual machine or on machine running macOS: 2 Answers Sorted by: 6 test work for me at /usr/bin, so adding it to path could solve error. Puppet reboot in stages. Tasks use Scripts to execute them on remote machines. The pgrep manual page tells us that the exit code for pgrep will be zero (0) only when matching processes are found and it'll return one (1) when there are no matching processes. Q&A for work. 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. Puppet Exec resource to apply only when a File changes. Alternatively, if that is valid, call the prior script through the latter's onlyif or unless parameter, instead of as its own exec resource. “Unless” statements Syntax Behavior Conditions Case Statements Syntax Behavior Selectors Location Syntax Behavior Expand Conditional statements let your Puppet. exe invocation as the command. Detecting if windows service is already installed using puppet exec. 2. 2. Node examples. As long as the file / directory specified in creates exists puppet won't run the exec. Valid options: String. Juan. Yet when I run puppet agent -td I see that the puppet agent IS executing pkill -SIGQUIT mysqld; sleep 5; systemctl restart mysqld. Exec ['get-chocolatey'] -> Package<| provider == 'chocolatey' |>. I assume the default behavior of the parser is such that if it receives an array. What is Puppet? | How Puppet Works? | Puppet Tutorial For. , are rigorously tested, will be maintained for the same lifecycle as Puppet Enterprise, and are compatible with multiple platforms. e. The baseline measures how long Puppet takes to just start up, so it’s not even executing powershell then. where read = 4, write = 2, and execute/search = 1. -- Peter Bukowinski. For example, command => 'cmd. 0. h ), and the sub-processes it spawns. Like, from scratch. Puppet exec unless doesn't appear to work how I expect. Bolt docs. Note that Puppet was not really designed to solve automation problems like this one, although using Exec it is possible to do most things anyway. 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. 1. And as for the title of this question which I originally overlooked. password is not getting changed to the default password and also chage. Adds a new exec provider for executing PowerShell commands. 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. 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. Adds a new exec provider for executing PowerShell commands. This module adds a powershell provider to the exec type, which enables exec parameters, listed below. The command should only be run as a refresh mechanism for when a dependent object is changed. The first one downloads ZIP file with binary (unless the binary has already been installed) and saves it to /tmp. And elsewhere you can add to the parameters for. Now that Puppet is installed and ready to run, it’s time to create a Puppet configuration. 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.