Constructing a long, complex string in Ansible can be achieved quite easily utilising Python string subsitution syntax.
Suppose you have the following variables:
app_protocol: http
app_host: 12.34.56.78
app_port: 8080
app_path: api/v2/testingYou could construct a string with all the component...
When working in a dynamic environment you can use the following syntax to query an instance for information about itself.
I found this very useful when needing to discover which availability zone an instance was running in, for example.
curl http://169.254.169.254/latest/dynamic/instance-identit...
Another Ansible top tip. Suppose you are running an installer or other process via Ansible which expects the user to be present accept a license agreement, enter some information or something. Enter expect, a handy little utility which can listen for certain strings in stdout and react accordingly...
Let's say you are in the midst of writing an Ansible playbook and you need to reference multiple values from an 'item' in different places. Here's a neat code snippet that will allow you to do just that.
hosts: all
vars:
file_path_1: /usr/bin
file_path_2: /example
file_path_3: /opt
tasks:...
Managing multiple machines sucks. No matter how much you automate there are always going to be edge cases where you'd like to perform the same command on multiple machines simultaneously. Enter, ansible-console - my personal favourite tool discovered in 2017.
Ansible console ships with Ansible...