Ansible lineinfile comment out line. , ChatGPT) is banned .
Ansible lineinfile comment out line. [ Ansible ] - How to comment (add #) all lines in file.
Ansible lineinfile comment out line . Does anyone have a snipet I can use to do that. It's a simple concept with infinite forms and uses. #VCS="hg" VCS="git" #VCS="bzr" Ansible lineinfile examples - Add, Modify, Delete, Replace lines. conf line: '# lineinfile の backrefs を使うのだがあまり記事がなかったので。やりたいこと## Allow root to run any commands anywhereroot AL Apparently ansible has matured and now (version >2. line }}" loop: #with_item: or loop: - I am new to ansible. Say I have a config file and I want to insert one line of text into the file on what is currently a blank line inside that file. conf # look a comment state: present regexp: '^hosts:' line: 'hosts: files dns' # another comment '^hosts:' line: 'hosts: files dns' # another comment Side effect: Gives nicer diffs; Increases line count Note. Ansible "lineinfile": add new line (with PATH=) or append to existing line (with PATH=) 0. To my understanding backrefs would possibly be able to do that ? I don’t wanna template up grub. Ansible Navigator. I use the below code - name: insert line lineinfile: path: /etc/config regexp: '^(. You do this by providing the line argument and the file path. I was converting an existing multi-line shell command that had \ line endings to escape newlines and had indented every row below the Here is my play. So in your case you would have something like: Commenting out multiple lines should work with a standard loop [1] like this: - name: "Allow /srv folder accessed by default. conf regexp: '^127\. #HEAP_SIZE=2g How do I remove the comment character, "#" in this case, with the Ansible replace module? - name: Uncomment out HEAP_SIZE replace: dest: //etc/some_path/app. This module is part of ansible-base and included in all Ansible installations. This lookup plugin is part of ansible-core and included in all Ansible installations. I want to add the lines that don't exist, without deleting the comments of the lines that already exist. regexp: '^#AuthorizedKeysFile' line: how do i use ansible to remotely comment out a line in a docker-compose file and add a line like this #image: gralog/graylog:4. insertbefore Used with state=present. One common use case for the lineinfile module is adding a line to a configuration file. You can reuse and modify the matched line using the back reference parameter. 3. However, if you want to solve the more general problem of how you loop through multiple lists of things then you should be using the with_nested loop. - name: “Update text in the file” lineinfile: path: /path-to-the-file/ I have a question. Note. builtin. In my playbook I configured that some of the config lines that are commented, should I'm using the Ansible Lineinfile module to remove the line. Ajout d’une ligne dans un fichier; Le module ansible copy est l’un des plus simples et les plus couramment utilisés dans Ansible pour transférer des fichiers depuis l’hôte de contrôle (machine exécutant Ansible) vers les hôtes distants. win_lineinfile – Ensure a particular line is in a file, or replace an existing line using a back-referenced regular expression Today we’re talking about the Ansible module lineinfile. deny’ I would have expected ansible to create the file instead of erroring out. Example: Ansible lineinfile - modify a line. It will become hidden in your post, but will still be Add a comment | 1 Answer Sorted by: Reset to default 2 . This module is used when you need to ensure a specific line exists in a file or modify an what do you consider best practice when you want to comment out (or in) a certain line in a configuration file? The "lineinfile" module does not seem flexible enough for my taste. Dans la plupart des cas, vous pouvez utiliser le nom de module court lineinfile même sans spécifier le mot-clé collections:. I could have one Ansible block that deletes the line followed by one Ansible block that re-adds the line to the end of the file. conf contains 127. ansible; Share. 0\. To add multiple Lines in a configuration file you can use " "instead of ' ' and escape sequence \n for the new line in lineinfile ansible module But, what if you want to have the comment at the end of the line (an inline comment)? 192. The answers aren't necessarily wrong from a certain perspective (if you are managing lines in a config file, you are doing config management and long term that's easier to manage with jinja2 templates), but they are also not immediately helpful. PLease help me how I can comment out. , ChatGPT) is banned Running ansible lineinfile twice is adding a line at the end of the file. 2,184 views. Just comment out the lines to allow. watch out for (the sudoers file is another common place to see this problem). Managing many configuration files can be tedious. conf state=present regexp='^(splashimage=. All help is appreciated, thank you! I assumed it's good enough. line in file test lineinfile: dest: /tmp/nsswitch. This is where Ansible's lineinfile module proves invaluable. conf effectively. Is there a simple way to replace the line starting with option domain-name-servers in /etc/dhcp/interface-br0. in host_vars/localhost When running the below playbook for the first tile, all is OK. But anyway I've already added the \s{7} option to my comment – GalAbra. If the content of the file is not under your control you might want to try and set the markers with I want to uncomment a line in file sshd_config by using Ansible and I have the following working configuration: lineinfile: dest: /etc/ssh/sshd_config. You must either add a leading zero so that Ansible's YAML parser knows it is an octal number (like 0644 or 01777) Template a file out to a remote server The official documentation on the template module. To match the exact File “”, line 1037, in set_mode_if_different. Despite that, we recommend you use the FQCN for easy linking to the module documentation and to avoid conflicting with other collections that may have the same module name. Unlike modules that replace entire files, lineinfile allows you to make surgical modifications to specific lines while preserving the rest of the file's content. 184. What is Ansible Lineinfile Module? Ansible's Lineinfile module saves you time while working with files and modifying their content on the fly, such as adding a new line or updating, replacing a line in the file when a specified text is detected, and much more. js backrefs: true regexp: Ansible Lineinfile Module: Manage Lines in Text Files Adding a Line Before a Specific Pattern hosts: all tasks: - name: Add a comment line before the server block in nginx config ansible. Follow asked Jan 25, 2019 at 5:18. lineinfile can be looped until changed is false, but that messes with a lot more things replace is the right way Use backrefs=yes: Used with state=present. Used with state=present. my /tmp/file line1 line2 #comment2 line3 #comment3 my playbook --- - hosts: all vars: Commenting out a line with Ansible lineinfile module. g. 8 then do a docker Learn how to use Ansible's `lineinfile` module with regex to comment out specific lines in lvm. Hi, I followed lineinfile for sometime till will we had backrefs, but latest code seems to have changed so wanted to understand will this still work if i want to comment a line out ? lineinfile dest=/tmp/grub. Alternatively you could try using the blockinfile role to first remove can lineinfile append at the end of a line ? I have a kernel line in my grub. When you're handling files with lines in Ansible, there's one go-to module that covers most use cases. 5 image: graylog/graylog4. This filter plugin is part of ansible-core and included in all Ansible installations. I have added lines to files, and removed lines from files using ansible playbook, but I have not added a comment line to each line of a file. 0. 116. " lineinfile: dest=/etc/apache2/a You must either add a leading zero so that Ansible's YAML parser knows it is an octal number (like 0644 or 01777) Template a file out to a remote server. If the regexp does match, the last matching line will be replaced Ansible’s lineinfile module is used to add, change or remove a single line in a file. You can also use conditions to match the line before modifying or removing using the regular expressions. How can I pass variable to ansible playbook in the command line #is the actual way of commenting out a variable in a yaml file and I do not see any problem with what you have described in your question. lineinfile module deletes all matching lines when regexp To remove a specific line from a file with the Ansible lineinfile module, you can use the state: absent option, along with regexp, to match the line you want to remove. If you don't want to override the line you first need to test the content and then apply that condition to the lineinfile module. If your Ansible automation includes modifying an existing configuration file (versus managing your own fully templatized version of the config), then you will need to account for variations in that existing file when using ‘lineinfile‘ for key/value pairs. This is primarily useful when you want to change a single line in a file only. This page is intended to show how to modify configuration and other files on systems If the line is in the file, Ansible will remove it. conf i would like to append “pcie_aspm=off” to if it’s not there. 0 config file = /Use ISSUE TYPE Documentation Report Note: I'm not sure whether this is desired behavior or a bug. So no matter what value your setting already has, it will be overridden by your new line. From the link to the module manual you included in the question:. I prefer the blockinfile instead of the lineinfile method because it takes a lot of that out of your hands and also gives you the option to warn the next editor of the file. Example: I want to change my etckeeper. conf file, you might need to adjust specific parameters for system tuning or testing purposes. yml in the ~/ansible_lineinfile_module_demo directory and paste in the following YAML playbook contents. 1 ansible. 100 nas # This is for my NAS Ansible Comment. Ansible, a widely used IT automation tool, offers modules like lineinfile to streamline this modification process. Ansible's lineinfile module does precisely just that, it deals with single lines in files and has no support for multiple lines. In the example2 we have seen how to add a new line with lineinfile module. The official documentation on the template module. However, we recommend you use the FQCN for easy linking to the module documentation and to avoid conflicting with other collections that may have the same module name. bashrc_path} ]] && source {pythonbrew. regexp }}" line: "{{ item. The xml module might be able to ensure that the <Manager is in place, but it doesn't appear to be able to delete the commented out version. lineinfile: dest: /etc/lvm/lvm. The replace module will replace all instances of a regular expression pattern within a file. Using Ansible to modify files. 2017 · 5 comments · Fixed by #23857. Instead of replacing an entire configuration file, it allows you to search for and how do i use ansible to remotely comment out a line in a docker-compose file and add a line like this #image: gralog/graylog:4. Using the lineinfile Module, you can add a new line to a file. Then replace the block as you wish. There may be vast differences between OS and service. 168. Depending on this, this is a documentation report or a bug report. Adding a comment with Ansible is easy. yml. Master the Ansible lineinfile module to enhance your playbooks with our expert guide. I’m stuck at lineinfile module. 4. I could write a script to do this with sed if I have to, but I find it is better to use ansible modules when Managing multiple lines with lineinfile involves specifying multiple tasks in your Ansible playbook, each targeting a specific line or set of lines in your configuration file. The Ansible lineinfile module is designed to help you make specific changes to a line or multiple lines in your Ansible host's configuration files. If specified regular expression has no matches, the line will be inserted at the end of the file. Ansible: append a string to an existing line in a file. Improve this question. In most cases, you can use the short plugin name comment. This guide provides detailed steps and explanations for handling Set the BEGIN and END markers in the file. If the file does exist but is empty or contains comments (and not the “ALL : ALL” line), ansible just reports an “ok” without adding the line. To comment out or uncomment all the lines in a file matching the particular string: - name: "Comment out the line" replace: Ensure a particular line is in a file, or replace an existing line using a back-referenced regular expression. Commented Jan 19 (or just one of them) to be sure it matches only the exact line (not a commented-out line, for example). realm}}\\vm_admins ALL=(ALL) 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 The problem is the task's regex only matches the commented out line, #bar. This module is part of ansible-core and included in all Ansible installations. Ce module fait partie du ansible-core et est inclus dans toutes les installations du Ansible . If set, line can contain backreferences (both positional and named) that will get populated if the regexp matches. This leaves you with a couple of options to tackle this problem instead. Lineinfile allows you to manage lines inside files, without having to rewrite entire configs. Now we are going to see how to replace a line when a Certain line is found. And when adding a comment in a Linux config file, you need to use the # character. However, we recommend you use the Fully Qualified Collection Name (FQCN) ansible. Ansible’s lineinfile module allows you to manage lines in text files on remote hosts. Add a line. In most cases, you can use the short module name lineinfile even without specifying the collections: keyword. Le module ansible lineinfile. comment for easy linking to the plugin documentation and to avoid conflicting with other collections that may Note. 1. The full name is ansible. If it exists and is already commented out, do nothing. Create another file called my_playbook. A command-line tool and a TUI that provides a convenient user interface for most of the native Ansible command-line utilities and allows to run Ansible automation content inside containers (Execution Environments) As far as I understand that fits only if GRUB_CMDLINE_LINE value post installation is the same for every machine, but since you could want to install a particular system in a different way resulting in different GRUB_CMD_LINE value, the risk is that you override system specific settings. If set, line can contain backreferences (both positional and named) that will get populated if the regexp Comment Out & Uncomment Lines using Ansible. This way you don’t Add a new key-value to a JSON file using Ansible; and as already mentioned in the other given answer here, as well. *)password root(. That allows you to extract values on a found line when constructing the output line. 2. You can use it to ensure specific settings, insert new directives, delete deprecated lines, and more – all from Ansible playbooks. win_lineinfile – Ensure a particular line is in a file, or replace an existing line using a back-referenced regular expression When you ask an ansible question, get a bit used to getting an answer about the "correct" way to do what you are asking. lineinfile - テキストファイルの内容を行単位で編集する. *)$' line="#" A quick caveat about the folding > operator that had me scratching my head for a while: the rows indented beneath it have to be at the same indentation level for the folding to happen correctly, at least when using Ansible. 306. Can an item inside “with_items” or “loop” be skipped? using condition “when some_variable is not defined” ? If I comment out the variable MAX_MEM from the defaults > main. The Ansible lineinfile module is designed to help you make specific changes to a line or multiple lines in your Ansible host’s configuration files. conf replace="what to put here to remove #???" a # this is the end line of the original file # BEGIN ANSIBLE MANAGED BLOCK line 1 line 2 # END ANSIBLE MANAGED BLOCK { my_marker }}' line: 'empty line' when: ansible_loop. 2. win_lineinfile – Ensure a particular line is in a file, or replace an existing line using a back-referenced regular expression Note. Write a task to match the AllowUsers line and replace it with the original line appended with the user name. In most cases, you can use the short plugin name lines. - name: Comment out elasticsearch the config. *)$' line: password root {{ hello }} so in above case, when even i run the ansible task it just inserts a new line, but never modifies the line. If specified, the line will be inserted before the last match of specified regular expression. This flag changes the operation of the module slightly; insertbefore and insertafter will be ignored, and if the regexp doesn't match anywhere in the file, the file will be left unchanged. OSError: [Errorno 2] No such file or directory: ‘/etc/hosts. #VCS="hg" #VCS="git" VCS="bzr" #VCS="darcs" to # The VCS to use. - name: Editing text multiple lines with loop and variables from list lineinfile: path: /usr/local/bin/xxx/test regexp: "{{ item. I have a file and want to insert in the beginning of each line the # character; No matter if it has 10 lines or 1000 lines; Indeed that suggestion worked out in replacement of using `shell` module (or similar). As with most tricky things around lineinfile you might be best replacing this with a template instead. The playbook below contains the following Example3: Replace a line in a file with ansible lineinfile. To ensure the task is idempotent, a negative lookahead assertion in the regular expression checks if the user name already appears in the line. *whatever' state: absent check_mode: yes changed_when: false register: out - debug: msg: "Yes, line You must either add a leading zero so that Ansible's YAML parser knows it is an octal number (like 0644 or 01777) Template a file out to a remote server. Cependant, nous vous recommandons d'utiliser le FQCN pour faciliter la création de liens vers la documentation du module et pour éviter tout conflit avec The Ansible lineinfile module. This targeted User robo's regexp & absent method is quite clean, so I've fleshed it out here for easy use and added improvements from comments by @assylias and @Olivier: - name: Ensure /tmp/my. You must either add a leading zero so that Ansible's YAML parser knows it is an octal number (like 0644 or 01777) Template a file out to a remote server. Ansible lineinfile module is helpful when you want to add, remove, modify a single line in a file. lineinfile for easy linking to the module documentation and to avoid conflicting I am trying to make sure that a particular line is commented out in a source file. In Ansible, how to move an existing line to the end of a file? 0. Ansible Lineinfile has some parameters to make your task fast. A value is available; BOF for inserting the line at the beginning of the file. name: Change Sudo Timeout become: yes lineinfile: path: /etc/sudoers regexp: ^Defaults env_reset line: Defaults env_reset,timestamp_timeout=60 序号 参数 描述; 1: attributes string: 修改完文件后，文件的属性，类似使用chattr修改文件属性: 2: backrefs boolean: 与state=present一起使用，默认no。如果设置为yes，则可以使用反向引用（位置引用或命名引用），如果正则表达式regexp匹配上，则会填充反向引用。该参数会改变模块的操作，忽略掉insertbefore和 Adding to u/chucky_z 's comment You can make use of delegate_to: in your tasks, if you want to hop between different hosts all within the same play (see docs). Specifically, that can mean pulling information such as hostname/port, file path, or preserving the yaml indentation of an original line as I will show in lineinfile – Manage lines in text files Synopsis Parameters Notes See Also Examples Status Synopsis This module ensures a particular line is in a file, or replace an existing line using a back-referenced regular expression. Let us see how to use the Ansible lineinfile module to add, delete and replace a line in a file. win_lineinfile – Ensure a particular line is in a file, or replace an existing line using a back-referenced regular expression These situations are exactly where Ansible‘s lineinfile module shines. This blog post will focus on utilizing regular expressions (regex) in Ansible's lineinfile module to When managing multiple systems, the ability to make precise, controlled changes to configuration files becomes essential. It’s a module pretty stable and out for years and it supports a large variety of operating systems. 3. conf just for that small addition, but do not want to replace the whole kernel line either as it might not be 100% the same on all my COMPONENT NAME lineinfile ANSIBLE VERSION ansible 2. This can be accomplished using Ansible’s “comment filter“. srihitha sri Commenting out a line with Ansible lineinfile I want to comment out each line of the file which is over 20K lines. Instead of replacing an entire configuration file, it allows you to search for and modify a particular line or add a new one if it’s not there. Example 1: Adding a Line to a Configuration File. like below: # Default Params Values Ansible の lineinfile モジュールは、テキストファイル内の特定の行を管理するための強力なツールです。これにより、ファイル内の特定の行を追加、変更、または削除することができます。主な機能行の削除 指定したパターンに一致する行を削除します。 Hi I have been reading around 'blockinfile' and 'lineinfile' trying to figure this out. 1,10 You must either add a leading zero so that Ansible's YAML parser knows it is an octal number (like 0644 or 01777) Template a file out to a remote server The official documentation on the template module. If you’re modifying your own bashrc and want to make sure it is It's very common for vanilla configurations files to have settings commented out in default configuration files. Before putting it to use, you should make sure that the task you want to accomplish cannot be done more The same way there is a module lineinfile to add one line in a file, is there a way to add several lines? The blockinfile module has worked out wonderfully every time I've chosen to use it. The lineinfile module ensures the line as defined in line is present in the file and the line is identified by your regexp. 8 then do a docker compose down and docker-compose up -d i need to run this on multiple nodes Dear list, what do you consider best practice when you want to comment out (or in) a certain line in a configuration file? The "lineinfile" module does not seem flexible enough for my taste. lineinfile: Here’s a cobbled together example from a script of mine, sed uses regular expressions but can be slightly different how it works depending on your 'nix ‘flavour’, this comments out a specific line: I am attempting to add a group to the sudoers file after the line %wheel ALL=(ALL) ALL example Allows people in group wheel to run all commands %wheel ALL=(ALL) ALL doman\\vm_admins ALL-(ALL) ALL name: add vm_admins to sudoers lineinfile: path: /etc/sudoers regexp: “^%wheel” insertafter: “^%wheel” line: ‘{{realm_name. bashrc line: "[[ -s ${pythonbrew. Ansible lineinfile module could be the saviour of your day when you want to work with files and especially modify their content on the run, like adding a new line These 4 lines I need to comment out using Ansible playbook. win_lineinfile – Ensure a particular line is in a file, or replace an existing line using a back-referenced regular expression I have a line in a config file, to which I would like to modify the line. This is the playbook I wrote, but it doesn't Add a comment | 0 . lines for easy linking to the plugin documentation and to avoid conflicting with other collections that may have the same One of the features of the ‘lineinfile‘ regexp parameter is the ability to use regular expression capture groups in the line output. Learn 9 powerful uses to streamline file management and boost efficiency. Hello Team, Hope you all are doing well. See the replace module if you want to change multiple, similar lines or check ansible. From the comments above, since your are not totally convinced by the official yaml specification, here is a full MCVE created from your description to prove it absolutely works as expected:. Example 3: Remove a line from a file with regexp parameter - name: Remove a particular line from a file ansible. js to ElasticSearch server lineinfile: dest: /var/www/kibana/config. There is no module for testing the foo=bar is the more suitable format for a one-line directive, but as you're already spanning several lines with your parameters anyway, just change the = to :, and it won't fuss about having a colon in your string. Evolving comments: An experiment to encourage engagement and follow-up questions. But as soon as you re-run it after fome changes in the playbook, it will generage additional result lines on changed lines. When managing configuration files in Linux, such as the lvm. The lineinfile module doesn't appear to be able to help because this is a multi-line section. lineinfile: path: /tmp/my. conf regexp: '^use_lvmetad' line: '# \1' backrefs: yes state: present My goal would then be to do the same thing but for all of the fields I'm interested in Note. lineinfile, which means that is part of the collection of modules “builtin” with ansible and shipped with it. first - name: "insert empty line after EOF" lineinfile: dest: "{{ my_dest }}" insertafter: EOF line: 'empty line' It is generic in that it adds a new line where it I'm a student System and Network administrator and I have to install a syslog server on a linux virtual machine. Just keep in mind that using this trick will keep everything at the perspective of a single host, so the value of {{inventory_hostname}} will be stuck at one server's. In most cases, you can use the short module name lineinfile even without specifying the collections keyword. For a YAML document like that it makes more sense to read it into in-memory data structures, modify the structure of the document, and then serialize it back out. 0) according to the documentation, The defaults when only the line is specified will append a given line to the destination file: - name: Update bashrc for PythonBrew for foo user lineinfile: dest: /home/foo/. See the example below: When the Ansible code runs again, rather than fixing the issue by moving the line to the end of the file, it simply sees that the line exists in the file and therefore doesn't do anything. You might consider using a separate lineinfile task beforehand, but running it in check mode. As tedder42 pointed out in the comments, and as is generally the case when people are using lineinfile, you'd be much better off templating these files instead. how to check if a variable inside each item is defined then add the line in the file, otherwise if the regex found the match in the remote host file but the variable inside an item is not defined then remove only that regex matched line from the file. This playbook has multiple tasks that use Ansible lineinefile module to manage lines of different config files for Apache on the remote machine. A naive lineinfile replacement will not find commented-out keys and might not even find valid keys that Utilizing the lineinfile module, I would like to comment out the following lines to look like this: Comment out the line I'm interested in ansible. Policy: Generative AI (e. But we need to Disable/Comment the Existing ServerAdmin line and add a new entry, Here is the playbook to do both these tasks. Then I can uncomment section by section until we figure out what is bricking my server(s). conf with more IPs? option domain-name-servers 10. conf from # The VCS to use. And continue to the next item (should not terminate the Basic Usage of lineinfile. 11. You would likely want to set serial: 1 at See also. For example. Il permet de copier des fichiers ou des répertoires locaux To do this in Ansible, you just need to add the become flag. The line is like this: CFUNCTYPE(c_int)(lambda: None) If it exists, I want to comment it out: # CFUNCTYPE(c_int)(lambda: None) If it doesn't exist, just ignore it. [ Ansible ] - How to comment (add #) all lines in file. Thanks for the comments, I don't know why but while taking a shower I finally understood it. Commenting out a line with Ansible lineinfile module. Ansible: lineinfile module not saving JSON data to file correctly; as they provide possible solutions. bashrc_path Note. lineinfile: path: /etc/nginx/nginx. If the line is not in the file, Ansible will not do anything. vwpp loqka yvlclm nyhscf doe aqze yyw yrdqw wbckw koke dxji rsnrx hnji xiq lskk