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Archies Gurav

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End-to-End DevOps Automation for Meet Application

#kubernetes #devops #ansible #automation

Meet

Meet is a web-based video conferencing service that allows users to hold real-time face-to-face meetings for free. It is ideal for various use cases such as company meetings, job training sessions, or board member discussions.

meet-app-link

Features

  • Join Meet: Easily join an existing meeting using a provided link or code.
  • Create Meet: Host your own meeting and invite participants.
  • Audio Controls: Mute and unmute your microphone during the meeting.
  • Video Controls: Turn your camera on or off as needed.
  • In-Call Chatting: Communicate with participants via text chat during the meeting.
  • Link Sharing: Share the meeting link with others for easy access.
  • Meet Code Sharing: Provide a unique meeting code for participants to join.
  • Participants List: View a list of all attendees.
  • Leave Meet: Exit the meeting when you are done.

Meet Project End-to-End Implementation

In this demo, we will deploy a fully functional Meet application on an AWS EKS (Elastic Kubernetes Service) cluster.

Project Deployment Flow:

project-development-flow

Tech Stack Used in this Project

The following technologies are used in this project for deployment, monitoring, and management:

  • GitHub (Source Code Management)
  • Docker (Containerization)
  • Jenkins (Continuous Integration - CI)
  • OWASP Dependency Check (Security Scanning)
  • SonarQube (Code Quality Analysis)
  • Trivy (File System Security Scan)
  • Argo CD (Continuous Deployment - CD)
  • AWS EKS (Kubernetes Orchestration)
  • Terraform (Infrastructure Provisioning)
  • Ansible (Configuration Management)
  • Helm (Monitoring using Grafana and Prometheus)

CI/CD Pipelines

CI Pipeline (Build & Push)

jenkins-ci-pipeline

CD Pipeline (Application Deployment)

jenkins-cd-pipeline

Argo CD Application Deployment on EKS

argocd-deployment

Prerequisites to Implement This Project

Why Use Google Cloud?

Google Cloud offers a $300 free credit for three months, making it an excellent choice for provisioning heavy instances without incurring costs. This allows us to set up and test our EKS infrastructure efficiently.

Master Node Setup

Note:
This instance will act as the master node and will be used for all EKS cluster operations using Kubectl. It will also be used for Jenkins and Argo CD operations.

  1. Create a new Ubuntu 22.04 LTS instance on Google Cloud
  • Machine Type: e2-standard-2
  • RAM: 8GB
  • vCPUs: 2

  • Storage: 30GB

    1. Open the required ports in firewall rules for the master node gcp-firewalls
    2. Add Public Key to the instance before creation

  • Navigate to Security > Scroll Down to Manage Access > Add Key

  • Paste the Public Key and save it

Ansible Provisioner VM Setup

Note:
This instance is used only for configuration and package installations via Ansible. It is not recommended to run any other workloads on this instance.

  1. Create a new Ubuntu 22.04 LTS instance on Google Cloud
  • Machine Type: e2-medium
  • RAM: 4GB
  • vCPUs: 2

  • Storage: 10GB

    1. Install Ansible on the instance

  • Use the following script to install Ansible:

#!/bin/bash

# Exit immediately if a command fails
set -e

run_silent() {
    "$@" >/dev/null 2>&1
}

echo "🔄 Updating package lists..."
run_silent sudo apt update -y

echo "📦 Installing required dependencies..."
run_silent sudo apt install -y software-properties-common

echo "➕ Adding Ansible PPA repository..."
run_silent sudo apt-add-repository --yes --update ppa:ansible/ansible

echo "🚀 Installing Ansible..."
run_silent sudo apt install -y ansible

# Verify installation
echo "✅ Ansible installed successfully!"
ansible --version
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  1. Clone the Meet repository 
git clone https://github.com/rcheeez/meet.git
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  1. Create an SSH key pair for secure remote access

To enable Ansible to connect and configure the master instance properly, generate an SSH key pair and add the public key to the master instance.

cd ~/.ssh
ssh-keygen
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This creates an SSH key pair. The public key must be added to the master node to allow secure connections.

  1. Configure the Ansible hosts file
  • Open the hosts file: 
   sudo vim /etc/ansible/hosts
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  • Add the following configuration: 
   [master]
   master_server ansible_host=<public-ip-address>

   [master:vars]
   ansible_python_interpreter=/usr/bin/python3
   ansible_user=<vm-username>
   ansible_ssh_private_key_file=/home/<vm-username>/.ssh/<key-name>
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  1. Set proper permissions for the private key 
sudo chmod 600 /home/<vm-username>/.ssh/<key-name>
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  1. Install the required Ansible collections 
ansible-galaxy collection install community.docker
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  1. Run the Ansible playbook to configure the master node 
ansible-playbook -i /etc/ansible/hosts master_server_tools_play.yml
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NOTE
Make sure the Master Node is up and running and also make sure the Public key is added to the Master Node.

This will setup all the configuration on the Master Node.

🌍 Terraform Configuration for EKS on Google Cloud Shell

We will use Google Cloud Shell to provision our AWS EKS infrastructure using Terraform. Since Terraform is already installed in Google Cloud Shell, we can directly execute our infrastructure provisioning commands without any additional setup.
This approach eliminates the need for external applications and leverages Google's free cloud credits for cost-effective provisioning.

🛠 Steps to Set Up Terraform on Google Cloud Shell

1️⃣ Launch Google Cloud Shell

2️⃣ Clone the Terraform Repository 

git clone https://github.com/rcheeez/meet.git
cd meet/terraform/
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3️⃣ Initialize Terraform 

terraform init
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4️⃣ Apply Terraform Configuration to Provision EKS Cluster 

terraform plan
terraform apply --auto-approve
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terraform-apply

🚀 Setting Up Jenkins & Installing Required Plugins

1️⃣ Install Required Plugins

  • Navigate to Jenkins > Manage Jenkins > Plugins > Available Plugins
  • Install the following plugins:
  1. OWASP Dependency Check
  2. Docker Pipeline
  3. Pipeline: Stage View Plugin
  4. SonarQube Scanner
    • After installing these plugins, restart Jenkins to apply the changes.

⚙️ Setting Up Tools

Navigate to Jenkins > Manage Jenkins > Tools and configure the required tools:

1️⃣ Add SonarQube Scanner

  • Name: sonarqube
  • Installation: Install Automatically

2️⃣ Add OWASP Dependency Check

  • Name: OWASP
  • Installation: Install Automatically from GitHub

3️⃣ Add Docker

  • Name: docker
  • Installation: Install Automatically from Docker (latest version)

🔧 Configuring SonarQube for Jenkins Integration

After adding the required tools, we need to integrate SonarQube with Jenkins by creating an authentication token and setting up a webhook for automated analysis.

1️⃣ Generating a SonarQube Token for Jenkins

  • Navigate to SonarQube > User > Security > Tokens
  • Click on Generate Token and provide a name (e.g., jenkins-sonar-token)
  • Copy the generated token and save it securely

2️⃣ Adding SonarQube Token in Jenkins

  • Navigate to Jenkins > Manage Jenkins > Credentials
  • Add a new credential with:
    • ID: sonar-token
    • Type: Secret Text
    • Secret: Paste the copied SonarQube token

(Refer to the next section for detailed steps on adding credentials in Jenkins.)

3️⃣ Setting Up a SonarQube Webhook for Jenkins

  • Login to SonarQube and navigate to Administration > Webhooks
  • Click Create and configure the webhook to point to your Jenkins server URL
  • This enables automatic triggering of SonarQube analysis after each Jenkins build

🔐 Configuring Credentials for the Pipeline

Navigate to Jenkins > Manage Jenkins > Credentials > Credentials Provider and add the following credentials:

1️⃣ Git Credentials

  • ID: git-creds
  • Description: Git Credentials
  • Type: Username with Password
  • Username: Your Git Username
  • Password: Your Git Personal Access Token

2️⃣ Docker Credentials

  • ID: docker-creds
  • Description: Docker Credentials
  • Type: Username with Password
  • Username: Your Docker Hub Username
  • Password: Your Docker Personal Access Token

3️⃣ SonarQube Token

  • ID: sonar-token
  • Description: SonarQube Token
  • Type: Secret Text
  • Secret: Your SonarQube API Token

4️⃣ Gmail Credentials

  • ID: gmail-creds
  • Description: Gmail Credentials
  • Type: Username with Password
  • Username: Your Gmail Email
  • Password: Your Google Account App Password

✅ Final Step

📌 Ensure all credentials are added correctly as shown in the reference image.

jenkins-credentials

Configuring the System in Jenkins

After setting up the credentials, follow these steps to configure the system in Jenkins:

1️⃣ Access Jenkins System Configuration

  • Navigate to Jenkins > Manage Jenkins > System
  • Click on Configure System

2️⃣ Set System Email Address

  • Under Jenkins Location, set the System E-mail address to your Gmail account.

3️⃣ Configure SonarQube Servers

  • Add a new SonarQube Server entry.
  • Provide a name for the server, enter the server URL, and set up authentication credentials.

4️⃣ Set Up Global Trusted Pipeline Libraries

  • Add a new Shared Library entry.
  • Provide:
    • Library name
    • Git repository URL
    • Project repository branch name
    • Credentials (if the Jenkins Shared Library repository is private)

5️⃣ Configure Git Plugin

  • Locate Git Plugin settings in the configuration.
  • Fill in the following fields:
    • Git Global Config user.name → Enter your Git username
    • Git Global Config user.email → Enter your Git email

6️⃣ Set Up Email Notifications

🔹 Extended Email Notification:

  • Configure the SMTP server and port.
  • Add authentication credentials and enable SSL.

🔹 Email Notification:

  • Configure the SMTP server, port, and credentials.
  • Enable SSL.
  • Test the configuration by sending a test email to verify the setup.

🚀 Creating CI and CD Jenkins Pipelines

After configuring the system, follow these steps to create CI and CD Jenkins pipelines for the Meet application.

📌 1️⃣ Creating the Jenkins CI Pipeline (Meet-CI)

Step 1: Create a New Jenkins Pipeline Job

  • Open Jenkins Dashboard → Click on New Item
  • Enter Job Name: Meet-CI
  • Select Pipeline as the project type
  • Click OK to create the job

Step 2: Configure the Pipeline

  • Scroll down to the Pipeline section

  • Under Definition, choose Pipeline script from SCMOption 1: Using SCM (Recommended)

    • SCM: Select Git
    • Repository URL: Add your GitHub repository URL
    • Credentials: Add Git credentials if required(if repository is private)
    • Branch: Select the branch where the Jenkinsfile exists (e.g., main)
    • Script Path: Set it as Jenkinsfile

    Option 2: Manually Copying the Jenkinsfile

    • Select Pipeline script
    • Manually paste the contents of Jenkinsfile from the gitops folder

🖼️ Screenshot: Jenkins CI Pipeline Configuration

Meet-CI Pipeline

📌 2️⃣ Creating the Jenkins CD Pipeline (Meet-CD)

Step 1: Create a New Jenkins Pipeline Job

  • Open Jenkins Dashboard → Click on New Item
  • Enter Job Name: Meet-CD
  • Select Pipeline as the project type
  • Click OK to create the job

Step 2: Configure the Pipeline

  • Scroll down to the Pipeline section
  • Under Definition, choose one of the two options:

Option 1: Using SCM (Recommended)

  • SCM: Select Git
  • Repository URL: Add your GitHub repository URL
  • Credentials: Add Git credentials if required (if repostiory is private)
  • Branch: Select the branch where the Jenkinsfile exists (e.g., main)
  • Script Path: Set it as gitops/Jenkinsfile

Option 2: Manually Copying the Jenkinsfile

  • Select Pipeline script
  • Manually paste the contents of Jenkinsfile from the gitops folder
    • Click Save

🖼️ Screenshot: Jenkins CD Pipeline Configuration

Meet-CD Pipeline

🎯 Now your CI/CD pipelines are ready!

  • Meet-CI will handle building, testing, and pushing images
  • Meet-CD will handle deployments via ArgoCD

Meet-CI-CD-pipelines

🚀 Running the CI/CD Pipelines

Now that Jenkins is set up, let's run the pipelines.

1️⃣ Run the CI Pipeline

  • Navigate to Jenkins > Meet-CI
  • Click Build Now
  • Monitor the pipeline execution to ensure successful build, test, and push steps

2️⃣ Run the CD Pipeline

  • Navigate to Jenkins > Meet-CD
  • Click Build Now
  • This will trigger the deployment process using ArgoCD

Once the pipelines have successfully run, we can now set up ArgoCD on EKS for automated deployments.

🚀 Setting Up ArgoCD on EKS for CI/CD Deployment

Before deploying applications via ArgoCD, we need to connect kubectl to our EKS cluster and install ArgoCD.

🔗 Connecting kubectl to EKS Cluster

1️⃣ Ensure AWS CLI is configured
Before running the following command, make sure you have configured AWS CLI (aws configure). Otherwise, the connection will fail.

2️⃣ Connect kubectl to the EKS Cluster

   aws eks update-kubeconfig --region ap-south-1 --name meet-cluster
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This command connects your EKS cluster to kubectl.

🛠 Installing ArgoCD on EKS

1️⃣ Create ArgoCD Namespace 

kubectl create ns argocd
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2️⃣ Apply ArgoCD Manifest 

kubectl apply -n argocd -f https://raw.githubusercontent.com/argoproj/argo-cd/stable/manifests/install.yaml
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3️⃣ Verify ArgoCD Installation 

kubectl get pods -n argocd
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Ensure that all ArgoCD pods are running.

⚙️ Checking ArgoCD Services 

kubectl get svc -n argocd
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This will list all the services running under the argocd namespace.

Change ArgoCD Service Type to NodePort

By default, ArgoCD runs as a ClusterIP service. We need to change it to NodePort for external access.

kubectl patch svc argocd-server -n argocd -p '{"spec": {"type": "NodePort"}}'
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Confirm the Service is Patched 

kubectl get svc -n argocd
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✅ Ensure the argocd-server service is now of type NodePort.

🌐 Accessing ArgoCD UI

1️⃣ Find Your Public EKS Worker Node IP
2️⃣ Open the ArgoCD UI in a browser using:

   <public-eks-worker-ip>:<node-port>
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3️⃣ Click Advanced and proceed.

argocd-login-page

🔑 Fetching Initial Admin Password 

kubectl -n argocd get secret argocd-initial-admin-secret -o jsonpath="{.data.password}" | base64 -d; echo
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Copy the decoded password and use it to log in to ArgoCD.

🏗 Updating Admin Password

1️⃣ Log in to ArgoCD UI
2️⃣ Go to User Info > Update Password
3️⃣ Set a new secure password.

🔗 Connecting Git Repository to ArgoCD

1️⃣ Go to Repositories section in ArgoCD UI2️⃣ Click Connect Repository3️⃣ Choose Git as repository type4️⃣ Enter the Repository URL and select the Branch5️⃣ Click Connect

📝 Note: The connection must be successful before proceeding.

argocd-repositories

argocd-connect-success

🔐 Logging in to ArgoCD via CLI

📌 The ArgoCD CLI is already installed using Ansible on the Jenkins Master machine.

1️⃣ Login to ArgoCD CLI

argocd login <eks-worker-public-ip>:<node-port> --username admin
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2️⃣ Enter the password fetched earlier.

✅ You are now logged in to ArgoCD via CLI.

argocd-cli-login

📌 Checking Available Clusters in ArgoCD 

argocd cluster list
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🔍 Finding Your EKS Cluster Name 

kubectl config get-contexts
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🔗 Adding EKS Cluster to ArgoCD 

argocd cluster add arn:aws:eks:ap-south-1:034362041947:cluster/meet-cluster --name meet-cluster
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🎯 Verify Cluster in ArgoCD UI

1️⃣ Go to Settings → Clusters
2️⃣ Ensure that the EKS cluster is successfully added

🚀 Deploying an Application in ArgoCD

1️⃣ Go to Applications → New App
2️⃣ Fill in the required details
3️⃣ Enable "Auto-Create Namespace"
4️⃣ Set the Application Name same as Namespace
5️⃣ Click Create

Here's the improved version with better readability and clarity:

argocd-application

✅ Your ArgoCD deployment is now ready! 🎉

argocd-deployment

🔍 Verify Deployment and Access the Application

1️⃣ Check the Deployment Status from Master Instance

Run the following command to check the status of your services and deployments:

kubectl get all -n meetapp
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This will display the pods, services, and deployments running inside the meetapp namespace.

2️⃣ Find the Service NodePort

Look for the NodePort assigned to your service in the output. For example:

meetapp-getall

Here, the NodePort is 31818.

3️⃣ Access the Application in Browser

Open your browser and visit:

http://<public-eks-worker-ip>:31818
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📌 Replace <public-eks-worker-ip> with your actual worker node’s public IP.

🚀 Your application has been successfully deployed and is now accessible! 🎯

🌐 Access the Deployed Application

You can now open the application in your browser using the assigned NodePort.

meet-app-view

📌 Ensure that you are using the correct public IP of your EKS worker node.

📩 Deployment Success Notification

A success email notification has also been sent to the email address configured in the Jenkins pipeline.

success-email

✅ This confirms that the CI/CD pipeline has successfully built and deployed the application! 🚀

📊 Monitoring EKS Cluster & Workloads with Prometheus & Grafana (via HELM)

To effectively monitor your EKS cluster, Kubernetes components, and workloads, we will set up Prometheus and Grafana using HELM.

🛠 Installing HELM on the Master Machine

1️⃣ Download and Install HELM

curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3
chmod 700 get_helm.sh
./get_helm.sh
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2️⃣ Add HELM Chart Repositories

helm repo add stable https://charts.helm.sh/stable
helm repo add prometheus-community https://prometheus-community.github.io/helm-charts
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✅ This adds the required repositories for installing Prometheus and Grafana.

📌 Deploying Prometheus & Grafana on EKS

1️⃣ Create a Namespace for Prometheus

kubectl create ns prometheus
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2️⃣ Install Prometheus and Grafana using HELM

helm install stable prometheus-community/kube-prometheus-stack -n prometheus
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✅ This installs Prometheus for monitoring and Grafana for visualization.

3️⃣ Check Prometheus Services

kubectl get svc -n prometheus
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🌍 Exposing Prometheus & Grafana to External Access

By default, Prometheus and Grafana are only accessible within the cluster.
We need to change their services to NodePort to make them accessible externally.

1️⃣ Expose Prometheus to External Access

kubectl edit svc stable-kube-prometheus-sta-prometheus -n prometheus
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🔹 Modify the type: ClusterIP to type: NodePort
🔹 Save and exit the editor

2️⃣ Verify Prometheus Service is Exposed

kubectl get svc -n prometheus
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3️⃣ Expose Grafana to External Access

kubectl edit svc stable-grafana -n prometheus
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🔹 Modify the type: ClusterIP to type: NodePort
🔹 Save and exit the editor

4️⃣ Verify Grafana Service is Exposed

kubectl get svc -n prometheus
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🔑 Accessing Grafana Dashboard

1️⃣ Get Grafana Admin Password

kubectl get secret --namespace prometheus stable-grafana -o jsonpath="{.data.admin-password}" | base64 --decode ; echo
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📌 The default username is admin. Use the retrieved password to log in.

2️⃣ Open Grafana in Your Browser
Use the EKS worker node’s public IP and the Grafana NodePort to access it.

📊 Grafana Dashboards

Once logged in, explore the pre-configured dashboards to monitor your Kubernetes cluster!

grafana

grafana-dashboard

🧹 Cleaning Up the Infrastructure

When you're done, delete the EKS infrastructure and remove the GCP instances to avoid unnecessary costs.

terraform destroy --auto-approve
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✅ This command will remove all AWS EKS resources.
✅ Manually delete the two instances from GCP.

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