ARTH — Task 12 👨‍💻

Task Description 📃

12.1 Use Ansible playbook to Configure Reverse Proxy i.e. Haproxy and update it’s configuration file automatically on each time new Managed node (Configured With Apache Webserver) join the inventory.

Saranya S on LinkedIn: ARTH - Task 12 👨‍💻

12.2 Configure the same setup as 12.1 over AWS using instance over there.

TASK BEGINS……

|| NOTE: Create an AWS account

https://portal.aws.amazon.com/billing/signup#/start

STEP:1: To download the dynamic inventory requirements…

STEP:1.1:Download ec2.ini and ec2.py files

To download ec2.ini file:
wget https://raw.githubusercontent.com/ansible/ansible/stable-2.9/contrib/inventory/ec2.ini
To download ec2.py file:
wget https://raw.githubusercontent.com/ansible/ansible/stable-2.9/contrib/inventory/ec2.py

STEP:1.2: Install packages

pip3 install boto
pip3 install boto3
pip3 install ec2

STEP:1.3:To make it executable

chmod +x ec2.py
chmod +x ec2.ini

STEP:2:Access key and Secret key….

STEP:2.1:Get IAM user access key and secret key

1.Go to Security, Identity, & Compliance → IAM
2.IAM Resources -> users -> Add User 
3.set permissions -> Attach existing policies directly -> PowerUserAccess -> Create user

STEP:2.2:Create a file with the extension (.yml) and save these two key

cmd: <filename>.yml

key.yml

STEP:2.3:Update ec2.ini and ec2.py files

1.create a inventory path(for easy access) : mkdir /inventory
2.cd /inventory
3.move the files (ec2.ini,ec2.py) into this dir.
      cmd: mv ec2.ini /inventory
           mv ec2.py /inventory

||STEP:2.3.1:Open ec2.ini file

cmd: vim ec2.ini

Now, update the access key and secret key in “[credentials]” part

||STEP:2.3.2:Open ec2.py file

cmd: vim ec2.py

STEP:2.4:Now export both the key

export AWS_ACCESS_KEY_ID=’XXXXXXXXXXXXXXXXXXX’ 
export AWS_SECRET_ACCESS_KEY=’XXXXXXXXXXXXXXXXXXXXXX’

Now, change access permission

cmd: chmod 400 <filename>.yml

STEP:3:Set your ansible configuration file…

Note:

1. Create the private key file using puttygen.
2. Copy the private key file to the os in which your gonna run the ansible-playbook.[using winSCP]

STEP:4:Install haproxy and update config file…

||Install haproxy

cmd: yum install haproxy

||update configuration file

cmd: vim /etc/haproxy/haproxy.cfg

STEP:5:Write the ansible-playbook…

STEP:5.1: to launch web server and load balancers over AWS…

||vim ec2.yml

STEP:5.2: to do necessary work within launched webserver and load balancer

||vim haproxy.yml

STEP:5.3: to provide necessary instances details

||vim variable.yml

STEP:6: Run the ansible-playbook…

STEP:6.1: Run ec2.yml :: to launch ec2 instances

Note ::

To check:
        *ansible all --list-hosts 
        *ansible all -m ping

STEP:6.2: Run haproxy.yml

STEP:7: Final step -to check the website….

cmd: <loadbalancer_ip>:8080

TASK ENDS….