Builds a highly available AWS infrastructure from Terraform for a php web application communicating with a database.
More informations here
| name | usage |
|---|---|
vpc |
Creates VPC with two public subnets for your ELB and two private subnets for your EC2 instances and your RDS service on different AZs |
alb_asg |
Creates an Auto Scaling group with ELB of type "application" |
cloudwatch_cpu_alarms |
Creates a cloudwatch alarms depending on the CPU usage and triggering ASG operations |
s3 |
Creates an S3 bucket on which the sources of your application will be put |
ec2_role_allow_s3 |
Creates an instance profile using an iam role authorizing access to S3 from your EC2 instances |
rds |
Creates a mariadb relational database used for our EC2 web instances |
To use this project, you must first indicate the root password of our database. In my case, I chose to define it in a file called terraform.tfvars (this file name is automatically considered by Terraform during the execution of your configuration). Example :
db_password = "your-password"Second, you must then create your ssh key pair in the keys folder. In my case, I use the ssh-keygen command as follows :
ssh-keygen -t rsa
Generating public/private rsa key pair.
Enter file in which to save the key (/home/hatim/.ssh/id_rsa): ./keys/terraform
Enter passphrase (empty for no passphrase):
Enter same passphrase again: Then add the path of your public key in your root module in the path_to_public_key parameter of the my_alb_asg module. In my case it will be :
module "my_alb_asg" {
...
...
path_to_public_key = "/home/hatim/Documents/tmp/terraform/sources/keys/terraform.pub"
...
...
}You can then launch your configuration with the following command
terraform init && terraform applyResult :
...
...
Outputs:
alb_dns_name = [DNS OF YOUR ELB]
Finally open your browser and test your application from the dns name of your ELB :
