Saturday, December 31, 2022

How to run Ansible playbook from Jenkins pipeline job | Automate EC2 provisioning in AWS using Jenkins and Ansible Playbook | Create new EC2 instance in AWS cloud using Ansible Playbook and Jenkins Pipeline

We will learn how to create new EC2 instance using Ansible playbook and automate using Jenkins Pipeline. 

Watch Steps in YouTube Channel:

Pre-requisites:

  • Ansible is installed and Boto is also installed on Jenkins instance
  • Ansible plug-in is installed in Jenkins. 
  • Make sure you create an IAM role with AmazonEC2FullAccess policy and attach the role to Jenkins EC2 instance.
  • Playbook for creating new EC2 instance needs to be created but you can refer my GitHub Repo
Steps:

Create Ansible playbook for provisioning EC2 instance

(Sample playbook is available in my GitHub Repo, you can use that as a reference)

Create Jenkins Pipeline 
pipeline {
    agent any

    stages {
        
        stage ("checkout") {
            steps {
                        checkout([$class: 'GitSCM', branches: [[name: '*/master']], extensions: [],                                                     userRemoteConfigs: [[url: 'https://github.com/akannan1087/myAnsibleInfraRepo']]])         
            }
        }
        stage('execute') {
            steps {
                //to suppress warnings when you execute playbook    
                sh "pip install --upgrade requests==2.20.1"
                // execute ansible playbook
                ansiblePlaybook playbook: 'create-EC2.yml'
            }
        }
    }
}

Execute Pipeline


Pipeline Console output


Tuesday, December 27, 2022

Ansible playbook for LAMP Installation on Ubuntu | How to Install LAMP stack using Ansible on Ubuntu 18.0.4

LAMP Stack comprises the following open-source software applications.

    • Linux – This is the operating system hosting the Applications.
    • Apache – Apache HTTP is a free and open-source cross-platform web server.
    • MySQL– Open Source relational database management system.
    • PHP – Programming/Scripting Language used for developing Web applications.
    Watch the steps in YouTube Channel:

    Pre-requisites:
    Steps to setup SSH keys:
    1. Login to Ansible management server/machine. Create SSH keys in Ansible host machine by executing the below command: (if you already have keys created, please skip this step)
    ssh-keygen 

    enter three times..now you will see keys successfully created.
    2.  Execute the below command on Ansible management node and copy the public key content:
    sudo cat ~/.ssh/id_rsa.pub

    copy the above output.
    3. Now login into target node where you want to install LAMP stack, execute the below command to open the file
    sudo vi /home/ubuntu/.ssh/authorized_keys
    type shift A and then enter now 
        and paste the key in the above file. please do not delete any existing values in this file.

    4. Now go back to Ansible mgmt node, do changes in /etc/ansible/hosts file to include the node you will be installing software. Make sure you add public or private IP address of target node as highlighted below in red color:
    sudo vi /etc/ansible/hosts
    [My_Group]  
    xx.xx.xx.xx ansible_ssh_user=ubuntu ansible_ssh_private_key_file=~/.ssh/id_rsa  ansible_python_interpreter=/usr/bin/python3

    Ansible playbook for installing LAMP(Linux Apache MySQL PHP) stack on Ubuntu

    sudo vi installLAMP.yml
    ---
    - hosts: My_Group
      tasks:
        - name: Task # 1 - Update APT package manager repositories cache
          become: true
          apt:
            update_cache: yes
        - name: Task # 2 - Install LAMP stack using Ansible
          become: yes
          apt:
            name: "{{ packages }}"
            state: present
          vars:
            packages:
               - apache2
               - mysql-server
               - php

    sudo ansible-playbook installLAMP.yml


    This is the execution result of the playbook.

    Now go to browser and use target node DNS to confirm if Apache is installed. make sure port 80 is opened in security firewall rules.


    Now login to target EC2 instance, type below commands to verify PHP and MySql versions:

    php --version

    mysql --version

    Ansible playbook for Tomcat Installation on Ubuntu | Ansible Tomcat Playbook on Ubuntu 18.0.4/20.0.4

    Ansible Playbook for installing Tomcat on Ubuntu 18.0.4

    Pre-requisites:
    Steps to setup SSH keys:
    1. Login to Ansible management server/machine. Create SSH keys in Ansible host machine by executing the below command: (if you already have keys created, please skip this step)
    ssh-keygen 

    enter three times..now you will see keys successfully created.
    2.  Execute the below command on Ansible management node and copy the public key content:
    sudo cat ~/.ssh/id_rsa.pub

    copy the above output.
    3. Now login into target node where you want to install Tomcat, execute the below command to open the file
    sudo vi /home/ubuntu/.ssh/authorized_keys
    type shift A and then enter now 
        and paste the key in the above file. please do not delete any existing values in this file.

    4. Now go back to Ansible mgmt node, do changes in /etc/ansible/hosts file to include the node you will be installing software. Make sure you add public or private IP address of target node as highlighted below in red color:
    sudo vi /etc/ansible/hosts
    [My_Group]  
    xx.xx.xx.xx ansible_ssh_user=ubuntu ansible_ssh_private_key_file=~/.ssh/id_rsa  ansible_python_interpreter=/usr/bin/python3

    5. Create a Playbook for setting up Tomcat 9

    sudo vi installTomcat.yml

    ---
    - hosts: My_Group
      tasks:
        - name: Task # 1 Update APT package manager repositories cache
          become: true
          apt:
            update_cache: yes
        - name: Task # 2 - Install Tomcat using Ansible
          become: yes
          apt:
            name: "{{ packages }}"
            state: present
          vars:
            packages:
               - tomcat9
               - tomcat9-examples
               - tomcat9-docs

    6. Execute Playbook:

    sudo ansible-playbook installTomcat.yml
    This is the execution result of Ansible playbook.


    Now access Tomcat on port 8080 in the target machine where you have installed it.



    Monday, December 5, 2022

    Online DevOps Coaching on AWS and Azure Cloud by Coach AK | Feb 2023 Schedule

    Are you in IT? Tired of your work? Are you not able to make any good progress in your career? 

    Are you not having a job? Looking for a break in IT? Are you interested in learning DevOps? 
     
    Did you get laid off from your previous job due to Covid-19
     
    If the answer is YES to all the above questions, You are in the right place to kick start your career in DevOps. DevOps is one of the top and hot IT skills right now. Currently almost all the employers are struggling to get right resources in their teams who can do the DevOps and automation work..You could be that person by attending this coaching program.

    DevOps Coaching Classes schedules for Feb 2023(currently enrollment is going on)

    DateTimeTypeWhen?
    Feb 11th11:35 AM to 01:30 PM CST on Saturdays
             &
    02:00 PM to 04:00 pm CST on Sundays
    WeekendsSat/Sun
    Feb 27th6:00 to 8:00 PM CSTWeekdaysMondays/Wednedays

    DevOps Coaching Highlights:

    - Comprehensive hands on knowledge on Git, Jenkins, Maven, SonarQube, Nexus, Terraform, Ansible, Puppet, Docker, Kubernetes, AWS IAM, ECR, Docker registry. AWS and Azure cloud platforms.

    - Coach is having about 23+ yrs of professional IT experience, 9+ Yrs in DevOps/Cloud/Automation.

    - Many students already got placed in reputed companies from this coaching program successfully.

    - Working as a Sr.DevOps Coach/Architect in a one of the top IT services companies in USA.

    - Unique program...less theory, more hands on lab exercises
     
    Resume preparation will be done with candidates personally.

    One-to-one Interview coaching.

    - Coaching is purely hands on with 101% job relevant.

    100% Job assistance.

    - Coached about 1300+ students successfully for past five years and many of my students got placed with many large enterprises in DFW, Charlotte, Houston, Austin, Chicago, Florida, Seattle, Bay area, Ohio, NJ and NY areas..

    To join DevOps Coaching classes, contact coach below:

    Contact no # : +1(469)733-5248
    Email id: devops.coaching@gmail.com
    Contact: Coach AK

    If you live in India, please contact assistant coach Gunal to learn about the program:

    Name - Gunal
    Email id: gunal.j0907@gmail.com
    Contact no: +91 87600 02237

    AWS, Azure Cloud and DevOps Coaching Online Classes | Feb 2023 Schedule

    Are you in IT? Tired of your work? Are you not able to make any good progress in your career?  Are you not having a job? Looking for a break...