Introduction to DevOps

• What is DevOps?
• IT Evolution
• History of DevOps
• Different Teams Involved
• DevOps definitions
• DevOps and Software Development Life Cycle
• Waterfall Model
• Agile Model
• DevOps main objectives
• Prerequisites for DevOps
• Continuous Testing and Integration
• Continuous Release and Deployment
• Continuous Configuration Management
• Continuous Application Monitoring
• DevOps Toolsets

Overview of Linux 

• Linux OS – Overview 
• LAB: Setup CentOS/RHEL Linux in AWS 
• user management and password less login
• cronjobs–editing, setting, deleting
• software/package installation —different ways (assuming on CentOS/RHEL)
• Logging in/out and the su command
• Configure sudo accounts and permissions 

Overview of Linux 

• Transferring files 
• Linux Directory Structure 
• Basic linux commands (awk, sed, grep, piping of commands etc, disk usage commands, 
• Basic troubleshooting including network troubleshooting
• Shell scripting
• LAB: Write a shell script in Git and run it on AWS Linux 

GIT

• Version Control System
• Centralized & Distributed Version Control System
• Anatomy of GIT
• GIT Features
• Git Commands
• 3-Tree Architecture
• GITHUB Projects
• Git Repositories
• GITHUB Management and Commands
• Clone
• Checkout
• Commit
• Push
• Merge
• Pull Request
• Fork/Pull
• Git Branches
• Remote branch
• Local branch
• Advantages of Git

Build Tools – Maven

• Java Compiler
• Maven Life Cycle
• Maven Installation
• Maven build requirements
• Maven POM XML File

Jenkins

• Getting started with Jenkins
• Overview
• How to Take this Course and How to Get Support
• About Continuous Integration
• Introduction to Jenkins and the History of Jenkins
• Install Java
• Install Jenkins
• Jenkins’ Architecture and Terms of Jenkins
• Overview of Jenkins UI:
• Dashboard and Menus
• Create Our First Jenkins Job
• Run our First Jenkins Job
• Email configuration, Global Security, Master-Slave Architecture.

CI Basics 

• • Overview of Microservices
  • Overview of Sonarqube
  • OWASP Vulnerabilties
  • Running a ZAP scan
  • Quick overview of DOJO services: 
    • BitBucket
    • Bamboo
    • Jira
    • Sonarqube
    • Confluence

• MS Build, Octopus Deploy

Continuous Integration (CI) with Jenkins

• Install Git and Jenkins GitHub Plugin
• Install Maven on Our Local Box
• Configure Jenkins to Work with Java, Git and Maven
• Text Direction: Create our First Maven-based Jenkins Project
• Create our First Maven-based Jenkins Project
• CI Pipeline
• Compile
• CodeReview
• UnitTest
• CodeCoverage
• Package
• Integration with JFrog and Sonar
• Run our First Jenkins Build and Jenkins Workspace
• Trouble Shooting: Run our First Jenkins Build and Jenkins Workspace
• Triggers in Jenkins

Continuous Delivery with Jenkins

• Archive Build Artifacts
• Install and Configure Tomcat as the Staging Environment
• The latest Deploy to Container plug-in
• Jenkins Build Pipeline
• Parallel Jenkins Build
• Master and slave
• Deployment

LAB: Installation of SonarQube and Jenkins Integration 

Networking 

• TCP/IP concepts:  bitmasks, subnetting, gateways, IP addresses composition
• VLANs
• NAT and Private IP Addressing
• Firewalls
• How does Subnetting work?
• CIDR
• VPN 
• Firewalls – Host-based, network-based and virtual
• Windows – Host Based Firewalls – Windows Firewall
• LAB: Setting Firewall in Windows and Linux 

AWS 

• Introduction to cloud computing
• Essential Characteristics of Cloud Computing
• Service Models in Cloud computing
• Deployment models in Cloud Computing
• Introduction to AWS
• LAB: AWS console overview  
• AWS Account creation &free tier limitations overview
• Identity Access Management
• Root Account Vs IAM user

Azure 

• Understanding VM architecture
• Types of OS supported Images by Azure
• Virtual Machine instances
• Understanding Custom Image
• Load balancing, Availability Set and Auto-Scaling
• LAB: Creating VMs for diff. OS

Azure DevOps

• Understanding DevOps in Azure 
• Create simple pipeline 
• Integrate/migrate disparate source control systems (e.g. GitHub, Azure Repos)
• Implement workflow hooks
• Configure permissions in the source control repository
• Organize the repository with git-tags
• LAB: setting a pipeline to deploy website on a VM

Containerization Concepts using Docker

• Introduction to Docker
• What are containers
• Why use containers
• Docker Support for Different OS
• Docker installation 
• Container’s overview
• Container Management commands
• LAB: Install Docker in Linux environment and running containers 

Introduction to Docker Components

• Docker Hub (public repo)
• Docker Trusted Registry (Private repo)
• Docker Engine
• Docker Container
• Docker Image
• Docker Compose
• Docker Swarm
• Docker Services
• Docker networking
• Volumes in containers 
• Basic docker file scanning tools

o   Snyk

o   ECR scanning

o   Docker image scan

• LAB: Deploy a website with Database on Docker 
• Image registry
• Setup Repository

o   ECR

o   JFrog

o   Nexus

o   Dockerhub

• AWS Elastic Container Service
• Docker compose

Docker Images

• Image? What is it in Docker World?
• Official Docker Image Specification
• Centre for Images: The Docker Hub (Public)
• List of Official Docker Images
• Working with Images: image layers, tagging, Pushing to Docker Hub
• Building Images: The Dockerfile Basics
• Build Your Own Dockerfile and Run Containers

DOCKER NETWORKING

• Overview
• Data-Link Layer Details
• Network Layer Details
• Hostnames and DNS
• Local Host <–> Container
• Container <–> Container
• Container <–> Container: Links
• Remote Host <–> Container

DOCKER VOLUMES

• Volume Concepts
• Creating and Using Volumes
• Changing Data in Volumes
• Removing Volumes
• Backing up Volumes
• SELinux Considerations
• Mapping Devices

Docker Containers & Internals

• Container VS. VM
• Detached and Interactive Modes
• What Happens When We Run a Container?
• What`s Going on In Containers: CLI Process Monitoring
• Getting a Shell Inside Containers
• Container Lifetime & Persistent Data Using Volumes
• Docker container Networking, default & user defined networks

Docker Compose

• Spin up multiple containers with Single command
• Docker Compose and the docker-compose.yml File
• Running Compose Commands
• Adding Image Building to Compose Files

Docker Swarm 

• Introduction to Swarm & Advantages
• How to create a swarm (cluster of nodes)
• How to add nodes to swarm
• How to deploy services/containers to swarm
• Docker stack deploy
• Introduction to UCP (universal control pane)

Kubernetes 

• Introduction of Kubernetes
• What Is Kubernetes?
• Kubernetes What and Why
• Kubernetes Architecture
• Kubernetes Big Picture View
• Kubernetes Masters
• Kubernetes Nodes
• LAB: Install and configure Minikube 

Kubernetes  cont..

• The Declarative Model and Desired State
• Kubernetes Pods
• Stable Networking with Kubernetes Services
• Game Changing Deployments
• The Kubernetes API and API Server
• Getting kubectl
• LAB: Setup Kubernetes with Kubeadm and create resources 
• Api Server
• Scheduler
• Controller Manager
• etcd – the cluster brain
• Getting K8s in the Cloud
• Working with Pods
• App Deployment Workflow
• Creating a Pod Manifest
• Deploying a Pod
• Deployment vs StatefulSet
• LAB: Creating PODs, Deployments and Stateful 

Kubernetes  cont..1

• Scaling database applications: Master and Worker Pods
• Pod state, Pod Identifier
• 2 Pod endpoints
• Introduction to YAML
• Kubernetes Deployment Theory
• Creating a Deployment YAML
• Deploying a Deployment
• Self-healing and Scaling
• Rolling Updates and Rollbacks
• LAB: Creating Deployments using YAML files 

Kubernetes cont..2

• ClusterIP Services
• Multi-Port Services
• Headless Services
• NodePort Services
• LoadBalancer Services
• Helm – Package Manager
• Introduction to ECS, EKS  
• Kubernetes container security
• LAB: Creating k8s services and custom helm charts 

Terraform (IaC)

• • Introduction to IaC
  • Difference between GUI, CLI and IaC
  • Terraform Overview 
  • LAB: Setting Up Terraform 
  • Deploying Infrastructure with Terraform 
  • Read, Generate, Modify Configurations 
  • Terraform Provisioners 
  • Terraform commands & state files.
  • Destroying Infra with Terraform
  • Understanding Attributes and Output Values in Terraform
  • Understanding Provisioners in Terraform
  • Understanding terraform HCL
  • Terraform Variable 
  • Lab: Passing variables and using same in code
  • Terraform Variable Types
  • Outputting attributes
  • Lab: Checking output attributes
  • Data Sources
  • Terraform Modules
  • Interpolation
  • Conditionals
  • For & For-Each loop

• LAB: For condition and Loops

• Understanding DRY principle
• Remote State Management with Terraform
• Templates
• Terraform Project Structure
• Challenges with State File locking
• Terraform with Configuration management tools

Terraform -CFT

• CloudFormation Introduction 
• Cloud Formation pros and cons
• CloudFormation vs Terraform
• AWS template vs Terraform
• When to choose Cloud Native Solutions over Terraform?
• Managing VPC , Subnets, Parameters And Intrinsic Functions 
• Security Groups, EC2 Instances
• Managing Load Balancer 
• Configuring Route53 
• Managing Auto Scaling Groups 
• LAB: Setting up VPC and EC2 
• Demo and exercises on deploying an n-tier infrastructure 
• Deploy middleware and application on AWS 
• Using terraform, Ansible with Jenkins
• LAB: Setting up Jenkins with terraform and Ansible 

Ansible – Introduction & Implementation

• Overview of Ansible Architecture 
• Overview of Ansible Deployments 
• Describing Ansible Inventory 
• Deploying Ansible 
• Installing Ansible 
• Managing Ansible Configuration Files 
• Running Ad Hoc Commands 
• Managing Dynamic Inventory 
• Writing YAML Files 
• Implementing Modules 
• Implementing Ansible Playbooks 

Managing Variables and Inclusions 

• Managing Variables 
• Managing Facts 
• Managing Inclusions 
• Constructing Flow Control 
• Implementing Handlers 
• Automation with Ansible 
• Implementing Tags 
• Handling Errors 
• Learn about retrieving data from external sources using Lookups.

Implementing Roles 

• Describing Role Structure 
• Creating Roles 
• Develop and re-use custom Roles
• Deploying Roles with Ansible Galaxy 
• Share work with Ansible Community using Ansible Galaxy
• Optimizing Ansible 
• Configuring Connection Types 
• Configuring Delegation 
• Configuring Parallelism 

Ansible Vault

• Implementing Ansible Vault 
• Configuring Ansible Vault 
• Executing with Ansible Vault 

Ansible Tower

• Troubleshooting Ansible 
• Troubleshooting Ansible Managed Hosts 
• Implementing Ansible Tower 
• Describing Ansible Tower 
• Deploying Ansible Tower 
• Managing Jobs in Ansible Tower 
• Implementing Ansible in a DevOps Environment 

Ansible Playbooks

• Develop Ansible Playbooks for advanced use cases
• Nested Playbooks 
• Use Dynamic Inventory in playbooks
• Need Design discussions on Below Topics based on the practical need we can project in Orchestration Area. 
• Creating Playbooks for Kubernetes Cluster Deployment using Ansible 
• Creating Playbooks for Container Orchestration 

SRE 

• What is monitoring and it’s type 
• Observability
• Infrastructure and Network monitoring
• Infrastructure monitoring Tools
• Dashboards for Infrastructure monitoring
• Miscellaneous Configurations for Infrastructure monitoring
• Application Monitoring
• Application Monitoring Tools
• LAB: Install and configure Grafana and Prometheus

SRE cont..

• Dashboards for Application Monitoring
• Configurations and plug-ins
• Serverless Monitoring
• Tools for Serverless Monitoring
• Concepts of serverless monitoring
• How to setup alerts, monitor and take corrective actions
• Synthetic Monitoring
• Tools for Synthetic Monitoring
• Understanding of the user journey and transactions
• Understanding of different application requirements
• Dashboards for Synthetic Monitoring
• Understanding of various configurations and plug-ins
• Logs Monitoring Tools
• LAB: Install and configure ELK stack

SRE cont..2

• Understand how to utilize the tool for monitoring alerts, acknowledge alerts and take action based on alerts
• Knowledge of monitoring tool usage and configuring to capture different log pattern
• Security Monitoring
• Understanding of DoS, DDoS security incidents
• Understanding of IDS/IPS/WAF
• Understanding of security monitoring aspects and what to monitor
• Awareness on PCI/PII, GDPR Compliance
• End User Availability Monitoring 
• Understanding of the end user requirements
• Understanding and configuration of Dashboards
• Understanding of plug-in configuration
• LAB: Demo with Cloudwatch, Splunk, and Datadog

CI Advance 

• What is Build and Release management
• Build and release management tools 
• Continuous Integration, Continuous Delivery and Deployment Concepts 
• Branching strategy: Gitflow
• LAB: Deployment of a website with GitHub 

CI Advance cont..1

• Introduction to Maven & Grunt as build tools with examples and exercises.
• Build process using traditional tomcat based and docker container based
• Build best practices
• Sonarqube integration in CI pipeline, administration
• CI concepts and typical phases and talk on How Jenkins fits 
• Static security check (Checkmarx)
• LAB: Jenkins integration with Sonarquabe for Java Project 

CI Advance cont..2

• Unit testing (junit for java, jasmine for frontend etc)
• Code coverage
• Sonarqube code quality
• Functional testing automation
• Performance testing automation
• Accessibility testing automation
• Dynamic security testing
• Capstone Project: Deploy GitHub java project in Kubernetes cluster using Jenkins. Use Junit and code quality tools for testing.  

DevOps – Monitoring Fundamentals

• What is Monitoring and Importance of same
• Basics of Monitoring
• Some Importance key concepts
• SRE Key Concepts for Monitoring – SLA, SLI, SLO and MTTR
• Event Management
• Monitoring vs Logging
• Importance of Logging
• DevSecOps – Fitment of Monitoring in Automation
• Continuous Monitoring and Logging Architecture
• Various tools availability and overview of same
• Cloud Native Tools vs Opensource
• DevOps IaC (Infrastructure as Code) with Monitoring toolsets
• Effective handling of Monitoring with Configuration Management tools
• Automated responses

Prometheus 

• • Introduction to Prometheus
  • Alternate Monitoring Tools

• Basic Terminologies in Prometheus

• Architecture of Prometheus Server
• Installation and UI Walkthrough
• Exporters – Node and WMI Exporters
• PromQL – Prometheus Query Language
• Data Types in PromQL
• Selectors & Matchers
• Binary Operators
• Aggregation Operators
• Functions – ‘rate’ & ‘irate’
• Functions – changes, deriv, predict_linear

Prometheus Advance 

• Client Libraries
• Exposing Metric from an App to Prometheus
• Counter Metrics Exposition
• Adding and managing Labels to Metrics
• Quantification of Instrumentation
• Recording Rules
  • Writing Recording Rules
  • Best Practices for Writing rules
• Alert Management
  • What is Alerting?
  • Writing & Firing the first Alert
  • ‘for’ clause
  • Adding Labels to Alerts
  • Installing Alert-manager
  • Adding Alert Notifier – Gmail
  • Sending Alert Notifications
  • Templating the Alerts
• Routing Tree for Alerts
• Service Discovery
• Prometheus HTTP API
• Custom Exporters

Cloud Inhouse Monitoring tools

• Cloud In-House Monitoring tools
• Why to use same and why same can’t be avoided?
• AWS Cloudwatch Introduction
• AWS Database Performance monitoring with Performance Insight
• PaaS Monitoring Limitation
• Cloud Monitoring with Prometheus
• Cloudwatch Exporter for Prometheus

Infrastructure Monitoring – Nagios

• Infrastructure monitoring Intro
• Nagios Core vs XI
• Setting up Nagios
• Configuring Windows & Linux Hosts
• Configuring Alerts and Email Notifications
• Plugins
• Introduction to Prometheus and Grafana
• Container monitoring with Prometheus and Grafana

Logging – Splunk

• What Is Splunk
• About Machine Data
• What does Splunk Do?
• Why Splunk
• Understanding Splunk Architecture & its Components
• Installation of Splunk and Forwarder
• Splunk Search
• Use cases and Examples