05-success

Ansible Lab #05 - Handlers

實習重點

Pursue for idempotence with handlers

• Handler for "reload nginx"
• Handler for "reload php-fpm"
• Verb: notify

Stages

Common stages:

• dev, test, staging, production
• initialize, update, rollback

Be open for surprise...

Different IaaS/VM providers may have different pre-installed packages. For example, even with the same "Ubuntu 14.04 LTS" VM image:

• In Vagrant box ubuntu/trusty64, the Python library httplib2 is pre-installed.
• In Google Compute Engine Ubuntu 14.04 LTS (amd64 trusty image built on 2015-11-13), the Python library httplib2 is not pre-installed.

用到的 module(s)

• Files modules / template: Templates a file out to a remote server.

• System modules / service: Manage services.

• Packaging modules / apt: Manages apt-packages.

• Network modules / uri: Interacts with webservices.

想接受挑戰嗎？

Try to automate the following software stack?

• https://github.com/rocodev/guides/wiki/setup-production-development

• https://ihower.tw/rails4/deployment.html

• https://realpython.com/blog/python/kickstarting-flask-on-ubuntu-setup-and-deployment/