Getting started with Ansible 14 - Roles
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- Опубліковано 31 сер 2020
- Ansible is an incredible configuration management and provisioning utility that enables you to automate all the things. In this series, you'll learn everything you need to know in order to use Ansible for your day-to-day administration duties. In video 14, we get started on roles. Roles in Ansible is one of its most amazing features, that allows you to categorize your hosts based on their intended purpose.
Full series:
Part 1 (Introduction): linux.video/ansible1
Part 2 (SSH Overview & Setup): linux.video/ansible2
Part 3 (Setting up the Git Repository): linux.video/ansible3
Part 4 (Running Commands): linux.video/ansible4
Part 5 (Running Elevated Commands): linux.video/ansible5
Part 6 (Writing our First Playbook): linux.video/ansible6
Part 7 (The 'when' Conditional): linux.video/ansible7
Part 8 (Improving your Playbook): linux.video/ansible8
Part 9 (Targeting Specific Nodes): linux.video/ansible9
Part 10 (Tags): linux.video/ansible10
Part 11 (Managing Files): linux.video/ansible11
Part 12 (Managing Services): linux.video/ansible12
Part 13 (Adding Users): linux.video/ansible13
Part 14 (Roles): This video
Part 15 (Host Variables): linux.video/ansible15
Part 16 (Templates): linux.video/ansible16
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Just a lil tip for making all the folders and files for the structure in his example. Be inside the roles folder and type:
mkdir -p {base,db_servers,web_servers,workstations,file_servers}/tasks
This will make each folder in curly brackets contains a tasks folder in each.
Thanks for the handy tip, Ryan. 🤛
Thanks for the tip.
From the project root folder, the following command can be run to create the roles folder and sub-folders:
mkdir -p roles/{base,db_servers,web_servers,workstations,file_servers}/tasks
for role in base db web workstation file ; do ansible-galaxy role init --offline "${role}" ; done
This is probably the first new thing that I did in ansible after watching this video, which actually worked the first time. Really appreciate your effort in making this series!
I always love how you break things down
give people the basic tools they need to get started to then play around and familiarize themselves with the tool
top quality as always!
Really great, Jay. This brings a lot together, letting me hone my TMUX and VIM skills as well!! Love it!
Fantastic video. I gave a take home assignment for Ansible and your video series is a life saver.
Easy to understand, well spoken, and explains concepts immediately when questions may arise.
Thank you!
Clearly explained and easy to follow. Thank you very much!
Cool stuff, Jay! Thanks for another great part in this series. That makes a much better structure and allows to define custom roles I need in my setup. Now I can't wait to see the further improvements of using host variables. This series was a blast so far! 💪
Glad you enjoyed it!
I was wandering here and there trying to learn proper execution of ansible and my search ended here. Slow, practical explanation and each and every step explained. Thank you so much for this !!!
You're an excellent teacher, and a perfect example of how the FOSS philosophy makes the world a better place.
Definitely clear my confusion about role! Thank you so much!
Excellent, as all the other videos in this series. Thanks!
Thank you Jay !!!. gratitude to you.
Jay. thank you for every videos :) it's definitely best ansible tutorial video.
The best series! This is great!
Very nice and concise explanation for a not so intuitive topic.
Thank you very much for the explanation!
Great, easy to follow
Excellente vidéo. I’m speechless
superb explanation. Thanks a lot sir.
You have been very helpful, thank you sir.
I wish to learn Jenkins from you too, someday.
very good video :)
Worked first time
so useful, thanks for teaching me
You are excellent Jay
Thank so much cant really thank you enough, you rock man
excellent explanation
Thanks for sharing
Thanks Jay!!!
thanks for the video
Well done! Btw, I notice you have a System76 linux laptop. Have you done any videos about it? From purchase to setting it up, to features of both the laptop and popos? I’m currently a Mac user, As more and more apps go subscription, I’m thinking about switching to Linux as my daily driver instead of just a server OS.
Why not simply use "ansible-galaxy init " to setup the folder structure for roles?
/> mkdir -p roles/{first_role,second_role,third_role}/tasks
Hi Jay. Great videos.
BTW, IMHO the “tree” command helps to see the entire role structure.
best Ansible roles explanation/example I have ever seen
Thank you
Hello Jay, I want to create different roles to get status, start and stop supervisorctl. I would like to ask if possible to create one yml file to execute all those roles?
Liked it
This all worked with me leaving my html file inside the original files folder.
not just ansible, i got to learn linux too :)
Hi Jay, I have religiously been following all the steps in all your labs for this Ansible series & have one query. After all the additions: copying & pasting into the relevant main.yml. Does one then remove the plays in the site.yml file that correspond to these copy & pastes. I took the liberty of removing these plays in my site.yml file & when I ran the new site.yml file, I got results not similar to your's. Example apache2 was installed on the other Ubuntu servers.
To reiterate, until this Roles lab, all my previous labs corresponding to yours generate all results like your's
I understand now
So nobody knows the command ansible-galaxy? It creates all the role folder/subfolders/files in one command
i dont see the code for adding roles here
Can u plz tell me , how to execute .sh file in ansible roles .
- name: script execution
command: sh /home/script.sh
explicitly calling sh should not be necessary if the hashbang line is set?
I find it interesting that you start by making a copy so that you have the original when that is precisely why you are using 'git'. You can go back to the original or see your change at any time by using the git commands.
You must be very patient to do this all in nano.
Thanks. You spelled vim wrong.
Seeing you using nano when you'd rather use vim is truly painful!
Great series! I can't see the role where the user simone is created, like in the site_before_roles.yml. Did I miss that? EDIT: Found it, it is in the bootstrap.yml.
Thanks for sharing