nb-qbits / tomcataws

Ansible And Tomcat

An ansible playbook to deploy on Amazon AWS a scalable set of instances of Apache Tomcat

ansible playbook will launch:

• 2 EC2 instances tagged as tomcat

  • Security Group with port 8080 and 22
  • Tomcat 7 installed via apt

• 1 EC2 micro instances tagged as harpoxy

  • Security Group with port 80, 8888, 1936 and 22
  • HAProxt and Socat installed via apt
  • the instance will proxy and balance (using Round-Robin strategy) from port 8888 to the Tomcat instances
  • an HAproxy amdin interface is available on port 1936

Prerequisites

• Ansible
• an account on Amazon AWS and a corresponding IAM role

Configuration

###1. AWS Credentials Export system env variables for Amazon AWS IAM role credentials like the following:

export ANSIBLE_HOST_KEY_CHECKING=False
export AWS_ACCESS_KEY_ID='AK123'
export AWS_SECRET_ACCESS_KEY='abc123'

or put the previous commands in a file (e.g. secret_iam.env) and launch form terminal:

source secret_iam.env

###2. AWS regions, vpc, subnets

Fill the configuration file under ec2/var/main.yml

keypair: <<your keipair name>>
region: us-east-1
instance_type: t2.micro
image: ami-9eaa1cf6 # Ubuntu Server 14.04 LTS (HVM), SSD Volume Type
tag_ec2_current: launched
subnets:
- subnet-fbe306d0
vpc_id: vpc-9ed752fb

All the ec2 instances will be configured starting from this file.

Running

Now you are able to launch the playbook

ansible-playbook -i ec2.py --private-key=<path_to_your_aws-pem_key ec2-lauch.yml  -v