This is the source code for a tutorial on using the ec2.py dynamic inventory feature of Ansible. This requires the python boto library for Amazon EC2.
WARNING: terminate_instances.yaml terminates all instances in your cloud account! You have been warned.
Install ansible and boto::
pip install -r requirements.txt
Make sure that ec2.py is executable::
chmod a+x inventory/ec2.py
Set AWS_ACCESS_KEY and AWS_SECRET_KEY for Ansible and AWS_SECRET_KEY and AWS_SECRET_ACCESS_KEY for Boto::
export AWS_ACCESS_KEY="AK******************"
export AWS_ACCESS_KEY_ID="AK********************"
export AWS_SECRET_KEY="***************************************"
export AWS_SECRET_ACCESS_KEY="*************************************"
Set the AWS default region::
export AWS_DEFAULT_REGION='us-east-1'
Disable host key checking::
export ANSIBLE_HOST_KEY_CHECKING=False
Sanity test the ec2.py dynamic environment script::
$ cd inventory
$ ./ec2.py --list
{
"_meta": {
"hostvars": {}
}
}
$ cd ..
Note: The ec2.py inventory script fails silently if AWS_ACCESS_KEY_ID is not set.
Grab some external modules from Ansible Galaxy::
mkdir galaxy
$ ansible-galaxy -p galaxy install jdauphant.nginx
- downloading role 'nginx', owned by jdauphant
- downloading role from https://github.com/jdauphant/ansible-role-nginx/archive/v1.1.1.tar.gz
- extracting jdauphant.nginx to galaxy/jdauphant.nginx
- jdauphant.nginx was installed successfully
[ansible-dc-ec2-tutorial] bschott@ironman-2 ~/Source/ansible-dc-ec2-tutorial (master)
$ ansible-galaxy -p galaxy install flmmartins.postgres
- downloading role 'postgres', owned by flmmartins
- downloading role from https://github.com/flmmartins/ansible-postgres/archive/master.tar.gz
- extracting flmmartins.postgres to galaxy/flmmartins.postgres
- flmmartins.postgres was installed successfully
Start the provision_instances playbook::
$ ansible-playbook -i ./inventory provision_instances.yaml
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