Using Ansible to modify files. Managing many configuration files can be tedious. There may be vast differences between OS and service. This page is intended to show how to modify configuration and other files on systems. Ansible template module. Ansible Templates are very useful for configuring a system with lots of changes per configuration file.
Jul 06, 2020 · When the playbook is executed, the variables in the template file get replaced by the actual values and a new file is either created or replaces an already existing file.txt in the destination path. From the playbook execution, view the destination and notice that the variables have been replaced by the values defined in the Ansible playbook file.

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Jul 29, 2017 · Ansible find module is used when you need to retrieve a list of files in the remote server which matches some conditions like name, size, etc. You will have to provide the path(s) to the remote server where the search should be done. It also supports searching for directories and links. The module returns the list of […] -
Ansible variable with find ... name: Create a file in the /opt folder called program1.sh ... But how does it differentiate between just the text user, and the ...
Dec 13, 2019 · An inventory is a file in INI format that contains all the hosts to be managed by Ansible. In inventories, you can assign a variable to a host system and later use it in a playbook. [web_servers] web_server_1 ansible_user=centos http_port=80 web_server_2 ansible_user=ubuntu http_port=8080

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Sep 19, 2020 · In this post, we are going to see the various methods to search for string in a file or in other words we are going to check if string exists in a file using ansible modules such as lineinfile and shell. the post provides three methods and playbooks. check for a string in the file before proceeding with the next task.
Thanks a lot for teaching the complete Ansible . I would suggest to have separate additional video on with_items and With_ operators. I have covered all of your 69 videos. If in case they are covered please share the video number. Thanks ...

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I want to uncomment a line in file sshd_config by using Ansible and I have the following working configuration: - name: Uncomment line from /etc/ssh/sshd_config lineinfile: dest: /etc/ssh/
Nov 24, 2017 · Ansible Vault can encrypt anything inside of a YAML file, using a password of your choice. Using Ansible Vault. A typical use of Ansible Vault is to encrypt variable files. Vault can encrypt any YAML file, but the most common files to encrypt are: Files within the group_vars directory; A role's defaults/main.yml file; A role's vars/main.yml file

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Dec 31, 2017 · Let’s now see how to perform them in Ansible 2.4. Our example – list all network interfaces. As our example list we want to transform in ansible, let’s use a list of local network interfaces that Ansible discovers during setup and stores in “ansible_interfaces” list. A simple play that just fetches and prints the list can look like this: -
Sep 19, 2020 · In this post, we are going to see the various methods to search for string in a file or in other words we are going to check if string exists in a file using ansible modules such as lineinfile and shell. the post provides three methods and playbooks. check for a string in the file before proceeding with the next task.
Thanks a lot for teaching the complete Ansible . I would suggest to have separate additional video on with_items and With_ operators. I have covered all of your 69 videos. If in case they are covered please share the video number. Thanks ...

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Then, type in the search string (hostname in my case) and press <Enter>. As you can see, the Ansible facts variable that matched the search string is ansible_hostname. You may press N to go to the next match and P to go to the previous match from the pager. This is how you find the Ansible facts variable that you need for your Ansible project. -
Sep 17, 2019 · Introduction I recently came across a situation wherein I needed to search for a string/word in a file and then append some piece of text after the matched string. I’m sure that there are many ways to accomplish this using Ansible but in this post, I’ll demonstrate what I used to get this done.
Oct 26, 2017 · When working with variables in Ansible, sometimes you don’t need the whole string, just a part of it. For example, we have a variable like ansible_nodename containing the fqdn: server1.example ...

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After the file is written, users will only see a string of encrypted text, rather than the file contents, if they try to view it with cat or another command. To view the contents of the file, use the ansible-vault view <filename> command, which will prompt you for the protected file's password. -
Dec 31, 2017 · Let’s now see how to perform them in Ansible 2.4. Our example – list all network interfaces. As our example list we want to transform in ansible, let’s use a list of local network interfaces that Ansible discovers during setup and stores in “ansible_interfaces” list. A simple play that just fetches and prints the list can look like this:
Hello. I tried the playbook below but it does not work.. I know that the IP is not on the /var/tmp/file.. but the debug task is not skipped. - name: check file hosts: all become: yes tasks: - name: Slurp file slurp: src: /var/tmp/file register: files - name: Find Ip in files set_fact: a_hosts_ip="{{ files['content']|b64decode | regex_findall(ansible_default_ipv4.address) }}" - name: print /var ...

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Then, type in the search string (hostname in my case) and press <Enter>. As you can see, the Ansible facts variable that matched the search string is ansible_hostname. You may press N to go to the next match and P to go to the previous match from the pager. This is how you find the Ansible facts variable that you need for your Ansible project. -
ISSUE TYPE Bug Report COMPONENT NAME ansible core ANSIBLE VERSION ansible 2.1.0.0 config file = configured module search path = Default w/o overrides CONFIGURATION N/A OS / ENVIRONMENT N/A SUMMARY ...
Using Ansible to modify files. Managing many configuration files can be tedious. There may be vast differences between OS and service. This page is intended to show how to modify configuration and other files on systems. Ansible template module. Ansible Templates are very useful for configuring a system with lots of changes per configuration file.

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ansible search for string in file or check if string exists in file. The Objective of this post is to show how to search for a string in a file with ansible. ansible provides various ways to accomplish the same. We will cover, three major ways to search for a string in a file. Lineinfile module Using the Shell module and grep command…

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- name: Copy ansible inventory file to client (command on multi-line - break + indent any continuation lines) copy: src: hosts dest: /etc/ansible/hosts owner: root group: root mode: 0644 backup: yes where the relative search path for src is -
I'm very new to Ansible. Is it possible to check if a string exists in a file using Ansible. I want to check is a user has access to a server. this can be done on the server using cat /etc/passwd | grep username. but I want Ansible to stop if the user is not there. I have tried to use the lineinfile but can't seem to get it to return. code
Dec 26, 2016 · All that goes into this file is your Ansible Vault password. This step eliminates the need for you to type your password every time you edit an Ansible Vault: vault_password_file = ~/.ansible_vault. It also allows for a nifty trick when using multiple vault files, such as host_vars and group_vars. If you have a directory that contains your ...

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8. Using a vault file to pass the values of vault passwords in commands like ansible or ansible-playbook command. Few things to note while using a vault file: – The password should be in plain text in this file. The password should be a string stored as a single line in this file. -
Ansible split string on backslash. ... but later I need to copy the files and the '\' does not work when used as part of a filename. ... But I can't find any ...
Sep 17, 2019 · Introduction I recently came across a situation wherein I needed to search for a string/word in a file and then append some piece of text after the matched string. I’m sure that there are many ways to accomplish this using Ansible but in this post, I’ll demonstrate what I used to get this done.

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Inserting a Block of Lines using ansible blockinfile: in this example i am going to show you how to add block of lines to a file using ansible blockinfile module. Here i have text file called abc.txt. and in this file i written some names. [[email protected] ~]# cat abc.txt Liam Noah William James Oliver Benjamin Elijah Lucas -
Dec 23, 2014 · The file has to be under ansible's control for this. Might be able to make a sort of hybrid of ansible's control and another program's control using assemble. Have the other program write out config then use ansible's fetch module to copy the file to a local directory with the fragments of config that you want ansble to append to the file.
Sep 29, 2020 · This is primarily useful when you want to change a single line in a file only. See the ansible.builtin.replace module if you want to change multiple, similar lines or check ansible.builtin.blockinfile if you want to insert/update/remove a block of lines in a file. For other cases, see the ansible.builtin.copy or ansible.builtin.template modules.

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Inserting a Block of Lines using ansible blockinfile: in this example i am going to show you how to add block of lines to a file using ansible blockinfile module. Here i have text file called abc.txt. and in this file i written some names. [[email protected] ~]# cat abc.txt Liam Noah William James Oliver Benjamin Elijah Lucas -
Oct 26, 2017 · When working with variables in Ansible, sometimes you don’t need the whole string, just a part of it. For example, we have a variable like ansible_nodename containing the fqdn: server1.example ...
Jul 30, 2018 · It works, but it's not idempotent i.e. running these commands repeatedly will cause the services file to get appended with the info again. As I work through our Ansible playbooks, I'm trying to figure out how to do this. I could so something like this: - command: "cat /path/to/build/services >> /etc/services"

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Jul 29, 2017 · Ansible find module is used when you need to retrieve a list of files in the remote server which matches some conditions like name, size, etc. You will have to provide the path(s) to the remote server where the search should be done. It also supports searching for directories and links. The module returns the list of […] -
ansible-playbook site.yml --vault-password-file ~/.vault_pass.txt ansible-playbook site.yml --vault-password-file ~/.vault_pass.py The password should be a string stored as a single line in the file. If you are using a script instead of a flat file, ensure that it is marked as executable, and that the password is printed to standard output.
I'm very new to Ansible. Is it possible to check if a string exists in a file using Ansible. I want to check is a user has access to a server. this can be done on the server using cat /etc/passwd | grep username. but I want Ansible to stop if the user is not there. I have tried to use the lineinfile but can't seem to get it to return. code

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Oct 26, 2017 · When working with variables in Ansible, sometimes you don’t need the whole string, just a part of it. For example, we have a variable like ansible_nodename containing the fqdn: server1.example ... -
May 22, 2014 · While putting together an Ansible Playbook to generate a configuration file from an Ansible Template, I needed a way to include additional content from a text file within the generated configuration file. I could not find an Ansible Module to do this, but Ansible uses the Jinja2 templating engine, and with one additional line in the Ansible ...

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How can you properly escape backslash in ansible playbooks? I am trying to do a search and replace for the backslash in the password, but I am not even able to add backslash as a string in the regex_replace jinja2 filter. I am using ansible version 2.1.1.0. Here is an example of the problem: