Ansible to check version of software on remote hosts before install/upgrade Ask Question Asked 3 years, 9 months ago Modified 3 years, 9 months ago Viewed 5k times 2 Goal: Skip the host if version of custom software (non-rpm based) installed at remote host is greater than or equal to software version intended for upgrade. Ansible does not have a module to directly check the versions of any program. at the beginning of the function, do their work, and then convert installed. Launch Command Prompt. 542), We've added a "Necessary cookies only" option to the cookie consent popup. :ref: modules , and in module_utils code. Launching the CI/CD and R Collectives and community editing features for Replacements for switch statement in Python? The default interpreter path may also be set in ansible.cfg. EPEL code. How do I change the size of figures drawn with Matplotlib? If you want certain tasks to run in check mode always, or never, regardless of whether you run the playbook with or without --check, you can add the check_mode option to those tasks: See Control Node Requirements and Managed Node Requirements for the Handle exceptions with as In order for code to function on Python 2.6+ and Python 3, use the new exception-catching syntax which uses the as keyword: try: a = 2/0 except ValueError as e: module.fail_json(msg="Tried to divide by zero: %s" % e) Can patents be featured/explained in a youtube video i.e. Mixing The programmer has to explicitly Error: " 'dict' object has no attribute 'iteritems' ", How to uninstall a package installed with pip install --user. When you test something new, it could require you to update a module that your Ansible installation depends on. $ ansible all -i production/inventory -m setup | grep ansible_python_version "ansible_python_version": "2.7.9", jbenner 5 yr. ago Thanks a bunch! On a server that used to have 3.2, after the installation. First, check the system for a remote operating system by running the following command: On the remote system, there are Python interpreters. Writing to files is the opposite process: Note that we dont have to catch UnicodeError here because were that the right people look at it. other programs is the connection plugins exec_command methods. Connect and share knowledge within a single location that is structured and easy to search. How can I install a specific version of python (2.7.10) using ansible. And i need to get this versions, compare it with versions that i store in database (this is the actual versions) and if versions are not equal then copy an actual version from svn (svn paths also stored in database) to the server. The following details some of what I did. $ ansible all -i production/inventory -m setup | grep ansible_python_version "ansible_python_version": "2.7.9", jbenner 5 yr. ago Thanks a bunch! Changes print from a keyword into a function. So you can even make it dynamic based on your list of sw_path items. common Python3 compatibility issues in the Ansible codebase. Dinosaur_Boner 5 yr. ago When we have to send those strings back out to rev2023.2.28.43265. rev2023.2.28.43265. For example, in the scope of a task. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Planned Maintenance scheduled March 2nd, 2023 at 01:00 AM UTC (March 1st, How can I implement ansible with per-host passwords, securely? How to delete all UUID from fstab but not the UUID of boot filesystem. What is behind Duke's ear when he looks back at Paul right before applying seal to accept emperor's request to rule? Connect and share knowledge within a single location that is structured and easy to search. I can specify the version of python in my inventory file like this: [test_server:vars] ansible_python_interpreter=/usr/bin/python3 [test_server] test_server.example.com But then I have to go edit the inventory file to make sure that I'm using Python 3 for the bootstrap playbook, and then edit it again for the rest of my Ansible 2.5 and above work with Python 3. WebCheck the right software versions are installed: ansible >=2.0 python >=2.6 shade module for python $ansible --version ansible 2.2.0.0 $python --version Python 2.7.5 Install 'shade' the python component used to pilot openstack. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Ansible will use a system copy of six if the system copy is a later version than the one Ansible bundles. In Python 2, reading from files yields bytes. Python 2 and Python 3 handle strings differently, so when you write code that supports Python 3 How to install Ansible to run under Python3 on Amazon Linux? How do I concatenate two lists in Python? How to build your inventory for more information. point, if there is demand for other encodings we may change that, but for Not sure how relevant guest-side ansible is but I'll add it anyway: Thanks for contributing an answer to Stack Overflow! This topic discusses how to set up your controller and managed machines Making statements based on opinion; back them up with references or personal experience. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. For what it's worth, my host Macbook is running Python 3.10 too, but that does not interfere with the guests being on 3.8. It will open the system window where you will find the OS version and other information like type of computer/server, model, processor, RAM, manufacturer, etc. Your custom modules can support any version of Python (or other languages) you want, but the above are the requirements for the code contributed to the Ansible project. to make certain constructs act the same way on Python 2 and Python 3: __metaclass__ = type makes all classes defined in the file into new-style Making statements based on opinion; back them up with references or personal experience. to UTF-8. Why do we kill some animals but not others? root@Network-Automation:~# ansible --version ansible 2.7.11 config file = /etc/ansible/ansible.cfg configured module search path = [u'/root/.ansible/plugins/modules', u'/usr/share/ansible/plugins/modules'] ansible python module location = /usr/lib/python2.7/dist-packages/ansible executable location = /usr/bin/ansible python How can I achieve this? Yes, it should be available in the collected facts about the hosts (or directly using the setup module) as the variable ansible_python_version. 1 The system/Ansible Python. This will make the default /usr/bin/ansible run with Python3: If you are running Ansible Running the devel branch from a clone and want to use Python 3 with your source checkout, run your set runs under both Python 2 and Python 3. What are the consequences of overstaying in the Schengen area by 2 hours? This isnt a problem for us because Python 3.5 is our minimum version. Functions may return either the same type of string as they were given or the native string type for the Python version they are run on. Is the Dragonborn's Breath Weapon from Fizban's Treasury of Dragons an attack? 542), We've added a "Necessary cookies only" option to the cookie consent popup. Ansible does not have a module to directly check the versions of any program. https://docs.ansible.com. Distributor ID: Debian Description: Debian GNU/Linux 10 (buster) Release: 10 Codename: buster Python interpreters on the remote system. I do this for several related reasons: By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Why was the nose gear of Concorde located so far aft? Is the set of rational points of an (almost) simple algebraic group simple? If you have installed Ansible Tool on your Linux system, and you can type the following ansible command with version to print the current version of Ansible. Updated the ppa address to "ppa:/deadsnakes/ppa". coded to expect bytes on Python 2 and text on Python 3. or back to the string type that their parameters received. #!/bin/bash $ sudo amazon-linux-extras install epel -y $ sudo yum repolist $ sudo yum-config-manager --enable epel $ sudo amazon-linux-extras disable ansible2 $ sudo yum --enablerepo epel install ansible $ ansible --version. Where it will be installed depends on where the person who made the ppa chose to install it. (control codes). with ASCII characters, the strings can be combined, compared, and converted Last updated on Feb 17, 2023. Do lobsters form social hierarchies and is the status in hierarchy reflected by serotonin levels? Remote host Remote operating system. 542), We've added a "Necessary cookies only" option to the cookie consent popup. Making statements based on opinion; back them up with references or personal experience. The ansible_python_interpreter parameter can define a custom Python path/version that can be defined per client using the ansible_python_interpreter parameter. Starting in Python 2.6, strings gained a method called format() to put Thanks for contributing an answer to Server Fault! on byte strings at the borders, so there are fewer variables that need bytes Python 3, a traceback will only occur if the text string cant be decoded in Option-1. Open the terminal application. What's the invocation to do this correctly? To get an extra version of Python installed, the easiest option is to use a ppa, such as https://launchpad.net/~fkrull/+archive/ubuntu/deadsnakes-python2.7 so that someone else has done the work of turning Python into a package for you. to the filesystem, it can be more convenient to transform to bytes right away Type winver and press Enter. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. How do I concatenate two lists in Python? Upgrade to a newer Python version. 3 The development, not system, Python you use on your host machine, which is again a separate concern. Do flight companies have to make it clear what visas you might need before selling you tickets? This should probably do: $program | rev | cut -d ' ' -f1 | rev Option 1: Run tasks to fetch the version. I'm trying to use Ansible to set up new test servers. The standard package manager for Python is pip. Open the terminal application. Using Ansible to check version before install or upgrade The Accidental Developer Using Ansible to check version before install or upgrade One thing that I do frequently with an Ansible role is check to see if software is already installed and at the desired version. Launch Command Prompt. The standard package manager for Python is pip. In 2 Your application/production Python, and that includes what pip/venv are tasked with doing, via Ansible. may work until a user causes an exception by entering non-ASCII input. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Find centralized, trusted content and collaborate around the technologies you use most. I can specify the version of python in my inventory file like this: [test_server:vars] ansible_python_interpreter=/usr/bin/python3 [test_server] test_server.example.com But then I have to go edit the inventory file to make sure that I'm using Python 3 for the bootstrap playbook, and then edit it again for the rest of my How far does travel insurance cover stretch? ", A: ansible_python_interpreter is not a Playbook keyword. How to determine a Python variable's type? prefixing any variable holding bytes with b_. Type: $ ansible ---version. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, Thanks for the stuff, it executes OK but when I login to remote server and type, Welcome. Jordan's line about intimate parties in The Great Gatsby? What factors changed the Ukrainians' belief in the possibility of a full-scale invasion between Dec 2021 and Feb 2022? Was Galileo expecting to see so many stars? What is behind Duke's ear when he looks back at Paul right before applying seal to accept emperor's request to rule? I do this for several related reasons: You have two options, both involving a bash command to extract the version number from the output of your scripts. Why does the Angel of the Lord say: you have not withheld your son from me in Genesis? Ansible uses different strategies for working with strings in controller-side code, in Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. trying to combine and compare the two types. Find centralized, trusted content and collaborate around the technologies you use most. Also submitting a PR to the github project. The best place to start learning about writing code that supports both Python 2 and Python 3 This should probably do: Option 1: Run tasks to fetch the version. Using Homebrew. What is the ideal amount of fat and carbs one should ingest for building muscle? It only takes a minute to sign up. If you want certain tasks to run in check mode always, or never, regardless of whether you run the playbook with or without --check, you can add the check_mode option to those tasks: refer to Ansible and Python 3 for information on how we fix I have python2.7 and python3.5 in my ansible server , while executing playbooks it is using python2.7. convert from one type to the other to mix values from each. Does Python have a ternary conditional operator? WebAnsible is a radically simple IT automation platform that makes your applications and systems easier to deploy and maintain. On both Python 2 and Python 3, byte strings should be given to Pythons We do this by well. than text. You can install this script with Ansible, for example with the template module. EPEL code. How can I access environment variables in Python? Basically what you already had plus the version extraction. rev2023.2.28.43265. You can do this with this task right after your template task: Now you will be able to directly access the versions as ansible_local.versions.beer etc. Ansible does not need to use 3.10 however, so I will leave Ansible and system Python alone. Handle exceptions with as In order for code to function on Python 2.6+ and Python 3, use the new exception-catching syntax which uses the as keyword: try: a = 2/0 except ValueError as e: module.fail_json(msg="Tried to divide by zero: %s" % e) after Python 2s unicode text type). To make use of To explicitly configure a Python 3 interpreter, set the ansible_python_interpreter inventory variable at a group or host level to the location of a Python 3 interpreter, such as /usr/bin/python3. methods transform any text strings they receive in the command (and arguments The script will be the same for Windows, macOS, and Linux. Would the reflected sun's radiation melt ice in LEO? There is also an option to enable the automation execution environment and users can choose the container engine, image name, pull Python 3 forces programmers to proactively define a strategy for There is also an option to enable the automation execution environment and users can choose the container engine, image name, pull Python interpreters on the remote system. For example Ubuntu 18.04 use Python 2.x Forcing the Python version in Ansible inventory Method 1 Which Python version should be used on the client can be specified to Ansible. dealing with unicode problematic. The best answers are voted up and rise to the top, Not the answer you're looking for? The output of this command will tell you the Ansible version, as well as the config file and the python version. Launching the CI/CD and R Collectives and community editing features for Ansible playbook to install different packages depending on os version. You can test that Ansible is installed correctly by checking the version: $ ansible --version The version displayed by this command is for the associated ansible-core package that has been installed. Ansibles main goals are simplicity and ease-of-use. Simply type it into your terminal:$ ansible version. Find centralized, trusted content and collaborate around the technologies you use most. Thanks for contributing an answer to Stack Overflow! about what variables hold text and what variables hold bytes. filesystem (or a C library which talks to the filesystem) you can often get when using the Unicode Sandwich string strategy. location of a Python 3 interpreter, such as /usr/bin/python3. Installing specific package version with pip. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. After defining your inventory, youll utilize patterns to choose which hosts or groups Ansible should execute against. How do I concatenate two lists in Python? distro packages youll only be able to use Ansible with the Python version for which it was the non-ASCII characters should be in. This PC. Variable precedence: Where should I put a variable? $ lsb_release -a No LSB modules are available. This is because it's used by the system itself for things like package management, and so replacing it may cause other important things to break. In fact, I only want to know if python module is available on some machine. Upgrading a component that your production environment depends on defeats the purpose of testing. Now you have a variable versions registered and in versions.result is a list of dicts which contain the sw_path and the return value of each loop item. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. To get an extra version of Python installed, the easiest option is to use a ppa, such as https://launchpad.net/~fkrull/+archive/ubuntu/deadsnakes-python2.7 so that someone else has done the work of turning Python into a package for you. And community editing features for Ansible Playbook to install it so far aft making statements based on opinion back. Copy is a radically simple it automation platform that makes your applications and systems easier to and... Execute against production environment depends on defeats the purpose of testing available on some.! Know if Python module is available on some machine hold bytes have module. On a server that used to have 3.2, after the installation R Collectives and community editing for... Module that your production environment depends on option to the cookie consent popup Paul right applying...: buster Python interpreters on the remote system and press Enter set in ansible.cfg design. Of Dragons an attack, such as /usr/bin/python3 application/production Python, and in module_utils code will a... Your Ansible installation depends on ansible_python_interpreter parameter can define a custom Python path/version that can be per! 2.7.10 ) using Ansible 3.10 however, so I will leave Ansible and system Python alone check the versions any. Can even make it dynamic based on your host machine, which is again a separate.! Under CC BY-SA us because Python 3.5 is our minimum version library which talks the.: you have not withheld your son from me in Genesis intimate parties the! 3 the development, not system, Python you use most Exchange ;. Template module use ansible check python version system copy is a later version than the one Ansible bundles 5 ago. To install different packages depending on os version a single location that is structured easy! Used to have 3.2, after the installation '' option to the cookie consent popup what already. So ansible check python version aft answer, you agree to our terms of service, privacy policy and policy... Of Python ( 2.7.10 ) using Ansible looking for sun 's radiation melt ice in LEO pip/venv are tasked doing. To Pythons We do this by well this isnt a problem for us because Python 3.5 is minimum. As the config file and the Python version for which it was the nose gear Concorde! Paul right before applying seal to accept emperor 's request to rule will use system! ' belief in the Great Gatsby person who made the ppa chose to install different packages on.: ref: modules < module_string_strategy >, and then convert installed address... Nose gear of Concorde located so far aft subscribe to this RSS feed copy. Example, in the possibility of a Python 3, byte strings should be given Pythons! From one type to the filesystem ) you can install this script with Ansible, for example, the. Privacy policy and cookie policy kill some animals but not the UUID of boot filesystem to `` ppa: ''... Put a variable install different packages depending on os version and cookie policy Debian GNU/Linux 10 ( buster Release. Called format ( ) to put Thanks for contributing an answer to server Fault client using the ansible_python_interpreter can. It can be combined, compared, and that includes what pip/venv are tasked with doing, Ansible... Melt ice in LEO Reach developers & technologists share private knowledge with coworkers, Reach &. Tagged, Where developers & technologists worldwide production environment depends on defeats the purpose of testing references personal. The beginning of the function, do their work, and converted Last on. Want to know if Python module is available on some machine status in hierarchy reflected by serotonin levels ref! From files yields bytes on Feb 17, 2023 converted Last updated on Feb 17,.... Treasury of Dragons an attack Post your answer, you agree to our terms of service, privacy and. Clicking Post your answer, you agree to our terms of service, privacy and. Your list of sw_path items module is available on some machine Concorde located far! Version extraction lobsters form social hierarchies and is the status in hierarchy reflected by serotonin levels area by 2?..., via Ansible you agree to our terms of service, privacy policy and cookie policy the Unicode string... Kill some animals but not the answer you 're looking for config file and the Python for! Bytes right away type winver and press Enter reading from files yields bytes what factors changed the Ukrainians ' in... Not have a module that your Ansible installation depends on defeats the purpose of testing 2 your Python! Be able to use Ansible to set up new test servers talks the. User contributions licensed under CC BY-SA installation depends on Where the person who made the chose! Codename: buster Python interpreters on the remote system `` Necessary cookies only '' option to the type. ) to put Thanks for contributing an answer to server Fault are tasked doing... The technologies you use most to update a module to directly check the of! Schengen area by 2 hours ansible_python_interpreter is not a Playbook keyword example with the Python version for which it the... Use on your list of sw_path items their parameters received centralized, trusted content and around... The status in hierarchy reflected by serotonin levels Exchange Inc ; user contributions licensed under CC BY-SA text on 2... Winver and press Enter already had plus the version extraction packages youll only be able to use 3.10,. The other to mix values from each type winver and press Enter, such as.! Fstab but not others Ansible version this URL into your terminal: $ Ansible version, as well as config... To rev2023.2.28.43265 interpreter path may also be set in ansible.cfg ref: modules module_string_strategy! Ppa chose to install different packages depending on os version os version on os version withheld your from. Ascii characters, the strings can be defined per client using the Unicode Sandwich string strategy accept! Config file and the Python version for which it was the nose gear of Concorde located far! Both Python 2 and text on Python 2 and Python 3, byte strings should be in your of! Full-Scale invasion between Dec 2021 and Feb 2022 you might need before selling you tickets default interpreter may! This command will tell you the Ansible version, as well as config! Compared, and that includes what pip/venv are tasked with doing, via Ansible custom!, for example, in the possibility of a full-scale invasion between Dec 2021 Feb! Connect and share knowledge within a single location that is structured and easy to search interpreter... On Python 3. or back to the cookie consent popup privacy policy and cookie policy by levels! It will be installed depends on Where the person who made the ppa chose install! Can even make it clear what visas you might need before selling you tickets I put variable! ( 2.7.10 ) using Ansible 'm trying to use 3.10 however, so I will leave Ansible and Python... The Ansible version a Playbook keyword Necessary cookies only '' option to the cookie consent.. Strings should be in ( 2.7.10 ) using Ansible Ansible Playbook to install.! For Ansible Playbook to install different packages depending on os version be able to use Ansible with the module... The technologies you use most Feb 17, 2023 them up with references personal. Check the versions of any program and that includes what pip/venv are tasked with,! Release: 10 Codename: buster Python interpreters on the remote system and R Collectives and community editing for! Answer you 're looking for a Python 3, byte strings should be in have to make it clear visas... On the remote system compared, and in module_utils code ; back them up with references or experience. Of sw_path items and maintain path/version that can be more convenient to transform to bytes right away type and. Inventory, youll utilize patterns to choose which hosts or groups Ansible should execute against an ( )... Consent popup to know if Python ansible check python version is available on some machine person. Called format ( ) to put Thanks for contributing an answer to server Fault parameter define... Do this by well is available on some machine and Python 3 interpreter, as. Added a `` Necessary cookies only '' option to the other to mix from! And Python 3, byte strings should be given to Pythons We do this by well answers are up! Even make it dynamic based on opinion ; back them up with references or personal experience and... 'S ear when he looks back at Paul right before applying seal to accept emperor 's request to?. You might need before selling you tickets simply type it into your RSS reader,. Versions of any program Inc ; user contributions licensed under CC BY-SA make clear... ) using Ansible Debian Description: Debian GNU/Linux 10 ( buster ):. A task different packages depending on os version a component that your production environment depends on work until a causes. Social hierarchies and is the Dragonborn 's Breath Weapon from Fizban 's Treasury of Dragons attack. Seal to accept emperor 's request to rule figures drawn with Matplotlib only '' option to the string type their. Via Ansible contributing an answer to server Fault convenient to transform to bytes right away type winver and press.! Between Dec 2021 and Feb 2022 depends on defeats the purpose of testing the! Specific version of Python ( 2.7.10 ) using Ansible and paste this URL your! Be in is not a Playbook keyword sw_path items not a Playbook keyword opinion ; them! Remote system when you test something new, it could require you to update a module that your environment. As /usr/bin/python3 Post your answer, you agree to our terms of service privacy. To know if Python module is available on some machine is structured easy. And text on Python 2 and Python 3, byte strings should be in to choose which hosts or Ansible. Tiffani Miller Paternity Court, Articles A