Onlyif puppet file However, some of your Puppet managed applications might require symlinks. A file system path; all files loaded by Augeas are loaded underneath root. 8. ) The exec has an onlyif, unless, or creates if File["/some/path"] always returns true, and if defined(File["/some/path"]) only returns true if the resource is defined in puppet, regardless of whether it actually exists. Puppet replaces files that don't match what the puppet master says should be there. Ask Question Asked 8 years, 5 months ago. S. This parameter is useful for files that may contain passwords or other secret data, which might otherwise be included in Puppet reports or other insecure outputs. 2 CentOS servers that I'd like to apply the same manifest to. puppet onlyif specified nodes. , or an affiliate. txt file that i want to change : [default] #puppet=no abc=123 [nova] #puppet=no I want to change "#puppet=no" to "puppet=yes" Puppet file_line only if file exists. Create this file only if it does not exist, or Start this windows service unless it’s already running. The parameter onlyif limits process execution to when the command pointed by onlyif returns success (0). Viewed 746 times i dont use execs for dir or file creation often. Share. You can't use exec resources as conditional logic for other resources like this. There is also new content that shows off all the current features in greater detail, as well as new ways to use the Puppet VSCode Extension with other technologies like the exec Attributes: name: (namevar); command: Command to execute. Variables EDIT: The below works if you're using puppet apply but not otherwise, because the find_file function is evaluated during catalog compilation. t. 0. If Puppet has no checker available for the given syntax, it silently ignores the Important: Code management purges any content in your control repo's module directory that is not listed in your Puppetfile. and other countries and regions. Visit Stack Exchange The easiest way to avoid problems with symlinks in file resources in Puppet is to avoid managing symlinks with Puppet. However, if the evaluation order is flipped, the catalog will fail to compile, as the ensure_resource function already added the File['/tmp/shared'] resource to the catalog before the file resource declaration is Before running Puppet interactively (on Windows Vista or 2008 and later versions), start the command prompt window with elevated privileges by right-clicking on the start menu and choosing “Run as Administrator. If it's not already present the file will be created as per the file types parameters and then left alone - even if its content changes on either the puppet master or client side. For example, a professional tennis player pretending to be an amateur tennis player or a famous singer smurfing as an unknown singer. However i don't want to uncompress it if the directory already exists. For example: path => 1) An Exec resource with 'onlyif' and make the File resource depend on it. And i want to notify an exec resource if there is a change in any one of the template files. 627. Adding the replace property with the value of 'no' (or the uglier 'false') to a file will stop puppet managing 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. How to pass sensitive value to file_line without appearing in log. txt exists in /root path then puppet will execute shell script, onlyif will execute the command in Exec if and only if the command executed(in the onlyif) has return code 0. For such conditional situations, facter facts are best. You can use the puppet resource tool to verify the results. x) does not have an onlyif parameter, that is part of the exec type (3. Fully qualified paths to locally available files (including files on NFS shares or Windows mapped drives). Checking if a directory exists before copying in Puppet. Hot Network Questions Is it legal to send a modified version of a GPL 3. Run puppet exec command only if output file has changed. 1) Recommendation for a short term solution. If you remove a package resource from your manifests, Puppet doesn't uninstall the package; instead, it just ignores it. The whole idea of I've got a file_line that I'd like to execute on any system where a given file exists, but be ignored on all where the file doesn't. Use the namespaced function inifile::create_ini_settings instead. Modified 12 years, Could not create resources for managing Puppet's files and directories in sections [:main, :agent, :ssl] 2. Puppet file_line only if file exists. There is no way to test client-side existence of arbitrary files during catalog building when using a master / agent arrangement. puppet file to the other user via shared link or any other sharing method. 2. ini_setting: ini_settings is used to manage a single setting in an INI file; ini_subsetting: ini_subsettings is used to manage multiple values in a setting in an INI file; Functions. ; inifile::create_ini_settings: This function is used to create a Puppet : file resource only if file exists. gz file and uncompress it on /tmp/apps. , Perforce Software, Inc. However currently I am struggling to figure out how to do this. An unless statement takes a condition and a We would like to show you a description here but the site won’t allow us. If needed, you can relink the puppet to a shared instance of the artwork. ) would have the same result and be much simpler (and a My goal is to have a class in a Puppet Manifest apply conditionally to each Windows Server depending on whether or not a file is present. Modified 5 years, 8 months ago. I have several files which I need to be created by Puppet, all based on templates. Puppet : file resource only if file exists Now go ahead and run a puppet apply --noop on your test manifest without setting the environment variable. 0, but there were a number of issues with auditing that only really got hammered out with the 2. d. Code management uses the Puppetfile to install, update, and At Puppet, open source software is in our DNA. Stack Exchange Network. However, keep in mind that floating point values created by division are inexact, so mathematically equal values can be slightly unequal when turned into floating point The puppet file is a ready-to-import, self-contained file that includes all the artwork associated with the puppet. ; creates - A file to look for before running the command. I have two similar Exec[] in a class, both with the onlyif parameter, as you can see below. What you present has no chance of working anything like how you intend. The require metaparameter declares the order in which resources should be applied. Optionally, an if statement can include elsif and else Sometimes a simple creates isn't enough to determine if an exec should run or not. Network access. Puppet conditional only if file exists in a particular directory. That means that the time that the file content is incomplete is a single syscall. In order to workaround the issue I want to remove the file before puppet is applying any changes to that file. Puppet 3. Invest smaller lump sum vs investing (larger) monthly amount The puppet. Hot Network Questions What do American people call the classes that students go to after school for SATs? I have a puppet-master and a few puppet-agents and they all must be divided. If you have /tmp/test with the content "this is a test" on the client, but the master says it should have the content "a test this is", puppet will replace the file if the content ever doesn't match "a test this is" I want to use Augeas to modify "/etc/inittab", but this should only happen when the package "sysvinit" is installed. For more complicated pre-exec checks see exec onlyif So when the Puppet run happens the list of log files will be returned to Puppet via the facts and then each file listed is defined as a resource with the correct permissions. Ask Question Asked 12 years, 5 months ago. Note that the example uses the unless parameter to make the resource idempotent. I want to deploy certs in default keystore using puppet. ensure => file implies ensure => present. My goal is to have a 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. Is there a way to update file on agent only if it is update ? I have found an option "replace" that do not write updated file to the given location if that file already exist. Follow edited Mar 7 Puppet : file resource only if file exists. I am using Windows Server 2012 with Puppet Enterprise 4. I want to use puppet to do this : First puppet run, extract contents of tarball (which is stored on some server) Subsequent puppet runs, extract contents of the tarball only if the tarball is different from the earlier run; Any suggestions on how to do this in Puppet ? I am struggling with how to use the "onlyif" clause in Puppet to achieve this. We've noted file system redirector and workarounds in troubleshooting. In the Project panel, select or open the puppet. Your require parameter is only indicating that the exec resources should be handled before the file resources, not that their "return value" should indicate whether to create the resource or not. Puppet File resource runs despite Exec unless. And I can't use ensure => 'present' because that This is such a common requirement that puppet has a single property that "does the right thing". Here is more about relationships and ordering in Puppet. It parses configuration files in their native formats and transforms them into a tree. 1. puppet-service should be stopped only if file exists. Check if service is running prior to install using Puppet. Given that files aren't being replaced, is it possible that replace => false has If the checksum_value parameter is not specified for puppet and file sources, Puppet computes a checksum based on its Puppet[:digest_algorithm]. puppet need to call file resource from exec resource only. d/x' is present. It would be very annoying if puppet allowed you to deploy a new config file without providing a way to restart a service to take advantage of the change. You can delay adding resources to the catalog. The whole idea of adding this step is to check and execute the command- makeswap only if the swap is not in place puppet onlyif with pgrep does not work. The creates parameter of an Exec does not cause Puppet to create the designated file. To check if a resource is already defined in the catalog or not: To install packages into a directory controlled by a non-root user, you can either use an exec to unzip a tarball or use a recursive file resource to copy a directory into place. Several resource types (including file, exec, and package) take file paths as values for various attributes. Puppet and other identified trademarks are the property of Puppet, Inc. Puppet: How to execute a Exec resource if another Exec resource failed. It means apply a File['/tmp/wehavepostfix'] resource after Package['postfix'] resource. If you need help with the product itself, visit Puppet Support or ask in Puppet Community on Slack. and only if You agree to indemnify, defend, and hold each Contributor harmless for any liability incurred by, or claims asserted against, such The puppet. Is there a way to do this An "if" statement takes a Boolean condition and an arbitrary block of Puppet code, and executes the code block only if the condition is true. Hot Network Questions UPDATE: After i tried wrapping the onlyif statement in powershell command, i was able to successfully run the powershell command directly using exec. The video has to be an activity that the person is known for. It doesn't even cause clutter in the logs! See also. 6+: file { '/path/to/myfile': ensure => 'present', audit => 'all', } (This functionality exists since Puppet 2. The built-in function find_file allows you to check if a certain file or a directory on the operating system exists. When using this syntax, every Puppet run will result in a file_metadata HTTP request to the Puppetserver for each file managed, just to get the metadata necessary to decide whether the file needs to be replaced or not. Notify implies that it is run BEFORE nginx. It was reported against Puppet 6, and it is documented in the release notes for Puppet 6. This example shows how to execute a command only if a certain condition is met. (aka, effectively never) Run puppet exec command only if output file has changed. That's often used with commands that naturally create a file or directory, but you can do it synthetically, too. The manifest creates a user with a custom home directory location under /var/username. So simply running ensure => 'directory', would attempt to overwrite the symlink. Hot Network Questions Find a fraction's parent in the Stern-Brocot tree What's a Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I am trying to maintain a nonstandard hosts location using puppet's hosts resource type. g. ensure => present just means that the resource should be a file, directory, or link; if it does not exist, create a file. conf file is Puppet ’s main config file. Puppet Open Source. Puppet Forge. 3. root. Enter your feedback and email. This form is sent to the Puppet docs team. Hot Network Questions The coherence of physicalism: are there any solutions to Hempel's dilemma? If the line is not contained in the given file, Puppet. 0 error: Could not create resources for managing Puppet's files and directories in sections [:main, :agent To open a shared puppet, import the. 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. For example, you can add one last command to touch a file, and use 'cat filename' in your 'unless' parameter. I build a lot of production servers, and rely on a pair of bash scripts I wrote to setup the devices, and, do a health check on the server afterwards. The problem you have is that if the filesystem is mounted read-write and the files match what Puppet expects, it will never mount the filesystem read-only again. file_line {'java_security_random': line => As noted in the docs for the Exec type, there is the refreshonly attribute: refreshonly. The onlyif parameter is defined as. The use case is the following. e. ; user: Sets the user for the command to run as. It uses its local collection of modules for any file sources, and does not submit reports to a central server. This is such a common requirement that puppet has a single property that "does the right thing". ) The exec has an onlyif, unless, or creates attribute, which prevents Puppet from running the This isn't how Puppet works. Puppet can run binary files (such as exe, com, or bat), and can log the child process output and exit status. will append the line to the end of the file to ensure the desired state. – Dominic Cleal Remove files; Select a file based on a fact; Select a template based on a fact; Select an EPP template based on a fact; Only manage absent files; Manage inifile settings; Restart service when config changes; Fetch a file from a website; Manage system limits; Reduce Duplicated File Attributes; Avoid hard coding file paths; Validate managed files I'm experiencing a very strange behavior with Puppet's Exec type. have puppet touch a file when finished ( successfully ), I can then just watch for that file; have puppet write a fact when finished (successfully ), I can check facts through mcollective. Before running Puppet interactively (on Windows Vista or 2008 and later versions), start the command prompt window with elevated privileges by right-clicking on the start menu and choosing “Run as Administrator. From the earliest days of Facter to the latest version of Bolt, we’ve always been firm believers in the power of open source and welcoming community ecosystems. For this reason, if you use Code Manager or r10k, you must not use the puppet module command to install or manage modules. This attribute works best as a resource default in the site manifest (File { backup => main }), so it can affect all file resources. 7. Just to answer the onlyif question, that's only a valid parameter on exec and one or two others. I want to check "if dir exists" condition with puppet how it done here How to do a file/dir exists conditional in Puppet? but then if i write exec { 'check_presence': command => "true", Executes external commands. However, using a file resource with recurse => true is a recipe for disaster. yaml` files to include PuppetDB. In general this isn't the best approach as all The service type (3. Adding the replace property with the value of 'no' (or the uglier 'false') to a file will stop puppet managing its content if the file already exists. The command will only run if the file doesn’t exist. If the file exists or even doesn't exist it is downloaded and uncompressed. Code management uses the Puppetfile to install, update, and If you define a resource (ie, file {}, etc) Puppet will create what you're describing if doesn't already exist (assuming you pass ensure => present, of course). Puppet – Run exec once only . 5. The "onlyif" from Augeas doesn´t seem capable of checking for anything else than Augeas stuff, i. puppet file via File > Import or drag it into the Project panel. Puppet Exec resource to apply only when a File changes. on whatever server is used to compile the catalog, NOT on the host where the catalog is actually applied. Moreover, the test command tests for the existence of a the specified path. Visit Stack Exchange run Exec only if another Exec ran. Choose File > Export > Puppet and name the . – ptierno. Communicating with an API. No release note seems to have been added in the Puppet 5 series, but the timing is right for Puppet 5. You then modify the tree as you like, and write the file back. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Puppet : file resource only if file exists. A couple of things to consider if you go this route: If you are on the 32-bit version of Puppet on a 64-bit machine, C:\Windows\System32 is actually redirected (by Windows' File System Redirector) to C:\Windows\SystemWOW64 where the 32-bit system32 binaries live. Use backslash (\) as an escape character. In general this isn't the best approach as all You are misundersanding how Puppet works. x, 2. ; creates: Specifies a file that if exists the command does not run. Using onlyif allows you to use the return value of one or more commands as your execution criteria; run All groups and messages I am using CentOS 7 with Puppet Enterprise 4. x. remote_file won't download the file if it already exists on your local server AND that file matches a pre-defined hash. What's New in 2. All parameters are optional. I think it's good to do this by the node's hostname. I'm using Puppet 3. The puppet master service includes a file server for tran Puppet Labs Skip navigation. Configure PDF page width using puppeteer. That means this approach checks the existence of /path/to/directory/. To remove a package, manage it as a resource and set ensure => absent. But this isn't Puppet in a Puppet catalog the templates are all erb. txt', Resources are included and applied in the order they are defined in their manifest, but only if the resource has no implicit relationship with another resource, as this can affect the declared order. I am currently working on implementing Puppet in our environment, and I have a request I don’t know if Puppet itself can fulfill: If I have a configuration file at /etc/myconfig. For both single- and double-quoted strings, escape the backslash to remove this special meaning: \\ This means that for every backslash you want to include in the resulting string, use two backslashes. sh', } But this gets executed on every puppet-apply-run. ; group: Sets the group for the command to run as. In the case $latest != true, it won't stop there if there is a chain of statements: exec {} -> And the exec command will execute onlyif the file '/etc/init. 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. Running Powershell command directly using Puppet exec resource. A failure occurs only if the main command is run, and its exit code is not among those accepted as success (by default, only exit code 0 is accepted as successful). If Puppet is managing the user that an exec should run as, the exec resource autorequires that user. Files and paths on Windows Puppet and Windows handle directory separators and line endings in files somewhat differently, so you must be aware of the differences when you are writing manifests to manage Windows systems. Choose which one suits your needs: unless - If this parameter is set, then this exec will run unless the command returns 0. But if that's normal, then the link above suggests you add. Create Windows service from executable. Hot Network Questions Movie where everything turns out to be the test of new VR glasses in helicopter I have following problem with my Puppet installation: I would like to copy (overwrite) a file only, if a new version of RPM package was installed. io/ contains all of the documentation previously held in this README, simplified and organized. Alternately, you can put the PowerShell code for the command, Parsing a file. Puppet regex not match with variable name. Default value: / show_diff. Follow Sometimes we would only want to execute some initialization configurations on Puppet agent only on the first of manifest application. ”. You can also use -C on git to remove the cwd attribute. puppet. If you set boundaries for yourself, you will be okay. Visit Stack Exchange You can use several options to run exec conditionally. By default, Puppet apply does not communicate over the network. The problem with what you have is that you are using require, which only makes sure that the specified resource (in this case each exec) executes before the file resource. puppet. Puppet: conditional restart of service. 0. Basically check to see that the 'flag' file exists with onlyif. On an upgrade we are pushing a new tar-file to the puppet master and let puppet update the server. Puppet Exec tag onlyif troubles. For example: dcs@shadowfax:~/tmp$ ls -l test ls: cannot access test: No such file or directory dcs@shadowfax:~/tmp$ ralsh exec "/bin/echo ok" onlyif="/usr/bin/test -f test" exec { '/bin/echo ok': returns => ['0'], } dcs@shadowfax:~/tmp$ touch test dcs@shadowfax:~/tmp$ I think it is easier to update the configuration file per sed script instead of providing different puppet templates for each particular release. Properties. The main thing you are after, "notify all the services that are subscribed to /etc/nova/nova. Note: This parameter does not create a file, it only looks for one. Even then, it's fundamentally flawed as for this, you could only test that the file existed, rather than a) had the right content, b) had the right mode, owner, group etc. For more complicated pre-exec checks see exec onlyif Running a command using puppet only if it has not been executed earlier. I can't Puppet conditional only if file exists in a particular directory. Hot Network Questions Would Pascal's wager make sense if doxastic involuntarism is true? I want file "run" to be created AFTER Service nginx, but also i want to notify Service nginx if file run changes. The only caveat of this is that it will not add the comment header to the file if the file is 0 bytes, but only if the file is absent entirely. puppet You cannot use an Exec resource to perform the check, because you need to perform the evaluation during catalog building, and resources are not applied until after the catalog is built. I want to check if the file exists in the client. I know that for file transfer, I have to user file resource of puppet and it will overwrite existing file and if given it will also restart the service. and only if You agree to indemnify, defend, and hold each Contributor harmless for any liability incurred by, or claims asserted against, such puppet: URIs, which point to files in modules or Puppet file server mount points. Especially when your Puppet client isn't also a master and compiles the catalog for itself, the master cannot know whether files exist on the client without facts. Glad it worked. This is an erb template, the one place in Puppet where Ruby is used directly, and in fact there is no Puppet language syntax used at all in templates. Gist file of By extending the Puppet file type and using some providers we can merge templated or sourced content and modifications and have puppet treat this content as if it had been passed directly. It configures all of the Puppet commands and services, including Puppet agent, the primary Puppet server, Puppet apply, and puppetserver ca. com/docs/puppet/5. http(s): URIs, which point to files served by common web servers. (Just tested similar configuration with Puppet 2. the probability to land on its "side" is exactly 1/3? I hope this helps anyone with similar problem. Important: Code management purges any content in your control repo's module directory that is not listed in your Puppetfile. But, it works with exec-resources, with refreshonly-parameter. run puppet class only if condition is met. exec { 'nagios-permissions': command => "/usr/bin/chown -R nagios:nagios ${confdir}", onlyif => "/usr/bin/test ! -z \"/usr/bin/find ${confdir} ! -user nagios -o ! -group nagios\"" } Hi @pier4r,. You have already identified the various tools that can do this. puppet-bak, Puppet will use copy the file in the same directory with that value command => '/bin/echo File created by exec-conditional by notify! >/tmp/puppet-exec-only-notify-created. You write that it does not make any sense to you that the following Exec is always reported as changed, apparently because you expect the onlyif to prevent that:. html Only add a file if it isn't already present. I think it is safe to say that facts are your best option in this case. Autorequires: If Puppet is managing an exec’s cwd or the executable file used in an exec’s command, the exec resource autorequires those files. Strongly recommend this. *Autorequires:* If Puppet is managing the file that will contain the line being managed, the file_line resource will autorequire that file. There are three main ways for an exec to be idempotent: The command itself is already idempotent. Once added, or if already there, leave it alone. I cant find my code is missing a parameters on my exec block or if I made a mistake somewhere else. When combined with scheduling and an automated system for pushing manifests, this can be used to implement a This should then flip the refreshonly attribute from true to false (and therefore make your first exec resource unconditionally run if the file needs to be changed. 4. Puppet Visual Studio Code Extension. Hot Network Questions What exactly is the difference between bandwidth and speed? Is there a hypothetical world in which "I" don't exist but can think? Cross platform raw input handling in C/C++ for Linux and Windows Knowledge of aboleth tentacle disease Thanks for your response and clarifications!! What I am trying to solve is this: Our server code (rails) is deployed as a tar file (puppet file resource), tar file is extracted (puppet exec) and database is migrated (puppet exec). script if variable empty not execute command, if variable available execute. I will have many alias and cert file in future How do you configure a Puppet exec to execute another command as part of onlyif. Games/Challenges SoundGasm Link (with brief descriptions) But only if you have addictive or impulsive tendencies. Augeas ; stdlib/file_line; exec + sed; You can alternatively manage the whole file, and do an 'onlyif' so the file isn't overwritten every time. refreshonly not working Reference Table of Contents Resource types. Commented Apr 7, 2014 at Escape characters. conf: Per-environment settings; fileserver. Valid values: true, false, yes, no. Augeas is a powerful configuration editor, actually for their main site:. That package is not under Puppet control (and shall not be). Feedback: Comparison operators take operands of several data types, and resolve to Boolean values. Another puppet-service should be stopped only if file exists. . puppet file resource, how to point to source. Repetitive listening, over a long period, can have a 'brainwash' effect. Hot Network Questions Does length contraction "break the speed limit"? Meaning of "I love my love with an S—" in Richard Burton's "Arabian Nights" Reducing wattage of a portable car heater Stack Exchange Network. Follow edited Mar 7 A normal way to do that is with a file resource and the recurse => true attribute. Explanation. You can read more about refresh It's worth noting that stdlib contains a function called validate_cmd which can be useful in certain circumstances but often does not work in the way people expect. Puppet does not know about the files which are been modified by the shell script. The Puppet File ServerThis guide covers the use of Puppet’s file serving capability. This causes agent runs and performance issues with storing those 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. The second way is a hack that will work too, ideally the the chkconfig of the service should be a separate exec but there's no harm in chkconfiging a service on even if it is already Stack Exchange Network. Running a command line tool. How to get Puppeteer PDF generation to match HTML document exactly, in regards to page breaks? 0. Send the . conf, and I want it to be written only if it does not already exist, then I could achieve that via an This makes use of the Puppetserver's fileserver feature. If the catalog doesn't contain a particular resource, Puppet does nothing with whatever that resource described. Rather it instructs Puppet to use the existence of that file to determine whether the command should be run, on the supposition that the command will create it when it runs. (which is not unintentional) The monitoring system has a command that can be manually run to clear the state and we have to do this each time puppet applies any changes, When we start getting emails! Why do you need to stop the service? To make sure that it doesn’t attempt to open partially written files? When Puppet manages a file, it does it atomically by writing a temp file and then renaming to the desired name. Since it is nonstandard hosts file its content is not "prefetched" by puppet and then it is not possible to do something like purging entries. 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. If this parameter is set, then this exec will only run if the command has an exit code of 0. create_ini_settings: DEPRECATED. This is usually the case - if you are on a 64-bit Windows OS, it is preferred that you use a 64-bit version of Puppet. So I tried the exec-attribute refreshonly. The line to be appended to the file or used to replace matches found by the match attribute. There is another metaparameter, subscribe. 0 == 1 is true. Attributes exec { 'resource title': command => # (namevar) The actual command to execute. You must add a dummy exec-resource:. Then it gives up waiting and assumes the command failed. Hot Network Questions Optimizing Masked Bit Shifts of Gray Code with AND Operation and Parity Count In retrospect, should they have provided more RTG fuel and a more powerful radio for Voyager? How thick would a coin have to be s. A celebrity or professional pretending to be amateur usually under disguise. Asking for help, clarification, or responding to other answers. Enterprise vs. ( Not sure if writing to puppet db from within a puppet run is even possible ) It is not proper way of using Puppet. For http(s) sources, Puppet uses the first HTTP header it recognizes out of the following list: X-Checksum-Sha256, X-Checksum-Sha1, X-Checksum-Md5 or Content-MD5. So likely not what the average user is looking for. You will seldom need to specify this --- Puppet will usually discover the appropriate provider for your platform. 2. Directory separators in file paths. If you want the 64-bit This step would be done post installation (after 15 to 20 mins). The behavior you want corresponds more closely to notify relationships (which create a refresh event), however, file resources do not care about refresh events. That is to say the resource should be a file and if is not a file or does not exist, create a file. How can I skip adding line in a file if it is present in a file using file_line puppet resource. If /my_dir contains 1000's of files, that means Puppet will add 1000's of file resources to the catalog and report. To ensure the resource is idempotent, specify one of the creates, onlyif, or unless attributes. Puppet by default expects your command to finish running in 300 seconds or less. Puppet command depends on another class. Puppet is created the file after every since run because its unable to find the file – I have a scenario wherein i have 5 template files that needs to be copied to the puppet agent machine. Yes, Service['x'] will not be applied if Exec['checkForFile'] is not successfully applied. However, directories should retain the execute permission since that is required to enter the directory. Any command in an exec resource must be able to run multiple times without causing harm --- that is, it must be idempotent. On linux and puppet The documentation for Exec's onlyif tag says this: onlyif. every time Puppet's agent apply its manifests), even when the onlyif condition is false, unlike Exec['install-newrelic-apt-key'] that works fine. The permissions models used by *nix and Windows are quite different. Hot Network Questions What's "the archetypal book" called? Is it safe to install programs other than with a distro's package manager? quantulum abest, quo minus . The command should only be run as a refresh mechanism for when a dependent I am trying to set up a Puppet exec resource for a Windows Server based on a Facter variable. (For example, apt-get update. On packaging systems that can retrieve new packages on their own, you can choose which package to retrieve by specifying a version number or latest as the ensure value. Secondly I would well general solution, pattern, to this kind of question exec onlyif $latest == true. I know nothing about pm2 to help you figure out why your command is taking so long. The general form of an “if” statement is: The if keyword; A condition; A pair of curly braces containing any Puppet code; Optionally: the elsif keyword, another condition, and a pair of curly braces containing Puppet code Optionally: the else keyword and a pair of curly braces containing Puppet code Behavior. The problem is Exec['apt-update'] is always performed (i. our production branch. Visit Stack Exchange 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. Stop trying to clean up those files if you do not need to. All third-party trademarks are the property of their respective Here are some suggestions. ; onlyif: A shell command that is run as a test to determine if the command should run. Commented Jun 7, 2016 at 7:01. It does not know about URLs, and even if it did, it would be unlikely to recognize or handle the puppet: Since there is no easy way in Puppet to check whether a file exists on the agent, I am attempting to write a module that performs this check. I have a manifest the copies the file to the remote server but the since the file gets deleted after agent-server authentication. * Given your manifest, Puppet only promises that the Exec resource - if it is applied at all - will always be applied before the File resource. What is Puppet? Puppet Enterprise. Whether to display differences when the file changes, defaulting to true. 6 release. Problem is on one of the servers /var/username has to be a symlink off to /data/username. crt managed by puppet. command => 'chmod 0644 $(/bin/grep file /tmp/test)', onlyif => '/bin/grep -q file /tmp/test', provider => 'shell', } Share. Comparisons of numbers convert the operands to and from floating point and integer values, such that 1. puppet-bak, Puppet will use copy the file in the same directory with that value Puppet : file resource only if file exists. Such trademarks are claimed and/or registered in the U. But with this, the exec gets not The "native" way to do this without execs if you're on Puppet 2. execute the /bin/true command, if and only if the install path exists; and then it will secondly manage the server_backup_dir File resource. Hot Network Questions How to tune the TikZ marking code more elegant? Can a hyphen be a "letter" in some words? Why did Crimea’s parliament agree to join Ukraine? An almost steam-punk short fiction about robot childcarers Puppet conditional only if file exists in a particular directory. Since result this command is 0 and unless should execute only if result is not 0 the command should not execute. As long as the file / directory specified in creates exists puppet won't run the exec. timeout => 1800, to your puppet definition. exec This involves modifying the `puppet. First I would like to use booleans as defined in Hiera [ auto lookup function ]. Hot Network Questions Using telekinesis to minimize the Here's a quick thought on how you could simulate Chef's remote_file. However, now the issue is that if i try checking for a non-existent Win service in The Puppet exec resource has OnlyIf and Unless attributes which can be used to limit when the command is invoked; e. Additionally line require => Package['postfix'], doesn't mean, create file if package exist. Where your body responds to stimulus automatically, but that takes many pwsh: Adapts the Puppet exec resource to run PowerShell Core commands. This article includes examples of common issues with symlinks in file resources with Puppet and how to avoid them: unexpected file copies, broken Puppet file_line only if file exists. But, it looks like onlyif accepts only command files and not an inline I would like to add a number of control gates into my manifest via onlyif and unless. exec {'dummy-nova-refresh': command => "/bin/true", refreshonly => The above will cause Puppet to initialize the file, but once it exists, it will not replace the contents again until the file does not exist at some future date. We use dj by service i meant the service definition in puppet, we need that provider to reload it on config changes – tommics. 8. Puppet copy file if not empty. conf. It resembles a standard INI file, with a few syntax extensions. You can also use the built-in function find_file: if find_file('path-to-your-file') { # do something here if your file exists } Docs: https://www. Puppet’s “if” statements behave much like those in any other language. One way is to use custom fact but that gets a bit too There are three main ways for an exec to be idempotent: The command itself is already idempotent. This is the only one of the Puppet and Windows handle directory separators and line endings in files somewhat differently, so you must be aware of the differences when you are writing manifests to manage Windows systems. For this reason, if you use r10k, you must not use the puppet module command to install or manage modules. The file resource validate_cmd we detail here is executed on each client and so has all of its environment available. ensure (defaults to: present) Manage the state of this type. Hot Network Questions How should the word, before, in Exodus 20:3 be interpreted? Has anyone proven the Principle of Sufficient Reason? Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Is there an onlyif condition that can apply to a Puppet class or to a file command? Here is what I am trying: I know how to use generate in a Puppet manifest when the Puppet Agent node is Linux. They have the syntax of the file they are generating and pure Ruby for the control syntax – puppet: URIs, which point to files in modules or Puppet file server mount points. Hot Network Questions I try to download a tar. The changes themselves are applied via the XmlLens class, which fakes being augeas. conf: Custom fileserver mount points; but only if the heredoc is static text and does not contain any interpolations. Note: PowerShell variables (such as $_) must be escaped in Puppet manifests either using backslashes or single quotes. conf", doesn't seem to be possible with file-resources. Generally speaking, details of machines' current state on which Puppet is to base decisions about the contents of that Puppet : file resource only if file exists. The Puppet VSCode website https://puppet-vscode. This behaviour is configured by setting recurse to true. By extending the Puppet file type and using some providers we can merge templated or sourced content and modifications and have puppet treat this content as if it had been passed directly. Puppet - Service require package before starting not working Puppet : file resource only if file exists. Note: Shareable puppets are self-contained, including the artwork associated with them. If the file exists, the exec won't run :) Puppet: how to run an exec only if puppet has made changes. and only if You agree to indemnify, defend, and hold each Contributor harmless for any liability incurred by, or claims asserted against, such By extending the Puppet file type and using some providers we can merge templated or sourced content and modifications and have puppet treat this content as if it had been passed directly. If you want to indicate whether those directories exist or not, you should The general form of an “if” statement is: The if keyword; A condition; A pair of curly braces containing any Puppet code; Optionally: the elsif keyword, another condition, and a pair of curly braces containing Puppet code Optionally: the else keyword and a pair of curly braces containing Puppet code Behavior. 6. Instead, you must declare modules in each environment's Puppetfile. To do what you want to do, there are two ways. In the example above, the catalog will compile successfully, as the file resource is evaluated before the ensure_resource function. The normal form of a puppet: URI is: I want to execute a shell command/script using puppet only when a file exists in particular path. Hot Network Questions I am having trouble using an NPN transistor as a switch If puppet updates a package it potentially changes these key files triggering the monitoring system. conf file using puppet file_line resource but it add lines again and again for every puppet run in my agent. As I was playing around with puppet, I also ran into augeas. Is there a bug or intended behavior? Puppet's configuration files. When many files are managed this way on many agents, this results in lots of HTTP So when the Puppet run happens the list of log files will be returned to Puppet via the facts and then each file listed is defined as a resource with the correct permissions. 11). Here is another example written on the Puppet CookBook. I searched for a very long time an easy way to use exists conditions on files and directories. When using a Puppet file resource with recurse=>true is it possible to have directories and files get different permissions? That is we generally want to remove read/execute permissions from group for all non-directory files. If this looks good, drop the --noop flag to apply the catalog generated from your manifest. The normal form of a puppet: URI is: Use class variables when a template is closely tied to the class that uses it, you don’t expect it to be used anywhere else, and you need to use a lot of variables. We ask for your email as we might contact you regarding your feedback. , such as . When provided with a modulepath, via command line or config file, puppet apply can effectively mimic the catalog that would be served by puppet master with access to the same modules, although there are some subtle differences. So to answer your question: no, it does not make sense to do so. Puppet's much richer than what onlyif can provide. For example if a text file test. If a resource subscribes to another resource, then Puppet I'm trying to change configuration file using puppet. conf` and `routes. github. Provide details and share your research! But avoid . Multiple resources may be declared to manage multiple lines in the same file. 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. Better still, have Puppet place a README file in there with them that will explain to your future self and to your fellow admins what they are and why they are there. Open Source. creates. To manage a group of resources in a specific order, explicitly declare such relationships with relationship metaparameters, chaining arrows, and the require function. Improve this answer. Puppet: how to run an exec only if puppet has made changes. How do I uninstall a Windows service if the files do not exist anymore? 0. If it exists puppet will response with a string containing the path to the file or directory. 2) A custom fact that checks for the existence of the directory, combined with 'if' statements around the File resource. How to apply resource only if content would change. Code comments To add comments to your Puppet code, use shell-style or hash comments. On packaging systems that manage configuration files separately from “normal” system files, you can uninstall config files by specifying purged as the ensure value. Put them in /opt and forget about them. Unless. It is the replace attribute which applies to files. Problem with "if" is that it expects the file on the puppet server not on the client. Hash the file you want to download, and place that hash as a variable in puppet (use hiera, or whatever method you want). Parameters. But this configuration does not detect when any of the configuration files have been modified outside of puppet. Specifies the file to look for before running the command. If the global `show_diff` setting is false, then no diffs will be shown even if this parameter is true. Puppet gem provider on windows. Managing part of a file is a configuration management anti pattern that should be discouraged as much as possible. I have two files root. Puppet: Conditional exec using unless-option. * Ensure Example ``` file_line { 'sudo_rule': path => '/etc/sudoers', The `file` type can manage normal files, directories, and symlinks; the type should be specified in the `ensure` attribute. x for my Puppet Master. Something like: File { '/tmp/foo. That being said if you want to use conditionals to only manage some of the content of some of the files, you can still use file resources with no content option to insure all the files exist and then use exec with By extending the Puppet file type and using some providers we can merge templated or sourced content and modifications and have puppet treat this content as if it had been passed directly. One approach is to create a text file and only skip the execution when that file exists. Managing file permissions: the mode attribute and the acl module. I try to add line in resolv. But, only deploy the scripts when certain file exists, one that would only exist on the first puppet run after build A normal way to do that is with a file resource and the recurse => true attribute. conf: The main config file; environment. # run exec only if command in onlyif returns 0. The first way is the normal and preferred way to do stuff. Hot Network Questions US phone service for long-term travel When to start playing the chord when a measure starts with a rest symbol? Whether (and how) file content should be backed up before being replaced. Using the notify metaparameter we can tell a resource to signal another resource, often a file notifying a service, and cause it to refresh, which in the case of a service causes a restart. The command is only executed if the Guest account does not exist, as indicated by unless returning 0. x for my Puppet Agents. This is my test. Augeas is a configuration editing tool. Even if the file has not changed. 0 Licensed Software to only one person? In the early solar system, were most orbits highly eccentric? Sometimes we would only want to execute some initialization configurations on Puppet agent only on the first of manifest application. The command runs only if the file doesn't exist. An unless statement takes a condition and a So, when Puppet applies a catalog built from your code, it will firstly apply the Exec resource, i. bar': audit => content, } ~> exec { 'deployment': command => 'do_something_meaningful. I'd note the force option only applies to directories. Remove files; Select a file based on a fact; Select a template based on a fact; Select an EPP template based on a fact; Only manage absent files; Manage inifile settings; Restart service when config changes; Fetch a file from a website; Manage system limits; Reduce Duplicated File Attributes; Avoid hard coding file paths; Validate managed files This should then flip the refreshonly attribute from true to false (and therefore make your first exec resource unconditionally run if the file needs to be changed. file: URIs, which behave the same as local file paths. run puppet resource types only when file has changed. Products. This causes agent runs and performance issues with storing those I want to run a puppet exec-resource based on a file update. 5. 5/function. Puppet : file resource only if file exists. If set to false, file content won't be backed up. The comment thread on the ticket reports that the fix was also applied to the Puppet 5 codebase. Your exec will run only if pgrep returns 0. puppet file. Valid options: A string of the path to the file. My goal is to have a class in a Puppet Manifest apply conditionally to each Windows Server depending on whether or not a file is present. When selected in the timeline, parameter changes to a puppet or any recorded takes We would like to show you a description here but the site won’t allow us. Deploy 2 file resources only if a file exists. According to the documentation for the file resource, your configuration is correct and should replace files which don't match the source. File contents can be managed directly with the `content` attribute, or. Find file(s) in a directory on the node by pattern in Puppet. I recently discovered that you can use the built-in function find_file for this. 4 New Platinum Puppet Files . However it still gets executed every time. At Puppet, open source software is in our DNA. crt and intermediateca. ; unless: A shell command that is run as a test to determine if the Whether (and how) file content should be backed up before being replaced. Hot Network Questions Why Lagrangian mechanics cannot find the state of a system at any instant during the entire course of time? But Hamiltonian mechanics does Puppet integrates well with a tool called Augeas: Augeas is a lovely tool that treats config files (well, anything really, but it’s mostly about config files) as trees of values. Supported values: present absent line. 492. Now go ahead and run a puppet apply --noop on your test manifest without setting the environment variable. The unless statement works like a reversed if statement. If set to a string beginning with . Augeas cannot check if file exists. As an example, to include two literal backslashes in the string, you would use four backslashes in total. The stdlib function based version runs on the server, as all functions do, and so gets all its values from Ideally you'd create resource definitions( file using templates for content) for both cases so that Puppet becomes the source of record. Hot Network Questions Manhwa about a man who, right as he is about to die, goes back in time to the day before the zombie apocalypse Puppet file_line only if file exists. Use parameters when a template is used in several different places and you want to keep it flexible. Nearly all of the settings listed in the configuration reference can be set in puppet. kbfj yarjwnw yvmswz kfbp pirmu ghcu zfalac jrd umg mssv