[ansible-project] How to install the packages using EC2 user data at the launch time

[Arbab Nazar]

I want to install the nginx by passing it as the user data to the ec2
instance at the launch time. I am passing it like this

- name: WebServer | Create the WebServer Instance(s)
local_action:
module: ec2
region: "{{ vpc_region }}"
group: "{{ ec2_security_groups[1].sg_name }}"
keypair: "{{ key_name }}"
instance_type: "{{ web_instance_type }}"
*user_data: "sudo apt-get install nginx -y"*
image: "{{ imgae_id.ami }}"
vpc_subnet_id: "{{ public_subnet }}"
#private_ip: "{{ nat_private_ip }}"
assign_public_ip: True
wait: True
wait_timeout: 600

But the above method didn't work for me although it has created the EC2
instance successfully but didn't install the nginx.

Can you please point me in the right direction. Thanks

[Jon Hadfield]

I had the same issue on Centos, i.e. I added a script and nothing happened.
Not tried on Debian based distros, but I found building a base AMI with
cloud-init installed and, in /etc/cloud/cloud.cfg set 'disable_root:
false', solved it for me. Then launch an instance of that base AMI, setting
the user-data.
In my case it wasn't an ansible issue, but a limitation of the AMI I chose.

[Timothy Gerla]

It's been a long time since I've used cloud-init, but I believe that your
script needs to start with a bangline (#!/bin/sh) for cloud-init to
interpret it as an on-boot script.

Regardless, I think a better approach would be to use Ansible and the apt
module to ensure that the package is installed post-boot, not just running
a script on boot.

-Tim

Post by Jon Hadfield
I had the same issue on Centos, i.e. I added a script and nothing
happened. Not tried on Debian based distros, but I found building a base
AMI with cloud-init installed and, in /etc/cloud/cloud.cfg set
'disable_root: false', solved it for me. Then launch an instance of that
base AMI, setting the user-data.
In my case it wasn't an ansible issue, but a limitation of the AMI I chose.
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