DevOps Boot Camp

CHAPTER 1. WHAT IS DEVOPS

• Dev and Ops Views
• Leading By Example …
• What is DevOps?
• More DevOps Definitions
• DevOps and Software Delivery Life Cycle
• Main DevOps’ Objectives
• The Term “DevOps” is Evolving!
• Infrastructure as Code
• Agile IT in the Cloud
• DevOps on the Cloud
• Prerequisites for DevOps Success
• Alignment with the Business Needs
• Collaborative Development
• Continuous Testing and Integration
• Continuous Release and Deployment
• Continuous Application Monitoring
• Benefits of DevOps
• What is Involved in DevOps
• Summary

CHAPTER 2. CONFIGURATION MANAGEMENT

• What is Chef?
• Deployment / License
• Who uses Chef
• Chef Architecture
• Chef Components
• Workstation
• Recipe
• Cookbook
• Ruby
• Knife
• Node
• Chef-client
• Chef Server
• Chef Analytics
• Chef Supermarket
• Salient Features of Chef
• Supported Platforms
• Chef Components
• Chef Server
• Chef Server prerequisites
• Install Configuration Scenarios
• Standalone Installation
• Installing Optional Chef Server Components
• Workstation
• Chef DK
• Chef DK Prerequisites
• Chef Repository
• Installing Chef DK
• Install Git
• Set up chef-rep
• Create the chef-repo
• Create .chef Directory
• Move .pem Files
• Create knife.rb File
• Add Ruby to Path
• Get SSL Certificates
• Verify Install
• Bootstrapping a Node
• Ohai
• Ohai Attributes
• Cookbooks
• Components of a Cookbook
• Attributes
• Metadata
• Recipes
• Resources
• Directory Resource
• Package Resource
• Service Resource
• File Resource
• Template Resource
• Script Resource
• User Resource
• Additional Chef Advanced Features
• Summary

CHAPTER 3. CONTAINERIZATION

• Containerization (Virtualization)
• Hypervisors
• Hypervisor Types
• Type 1 hypervisors
• Type 2 hypervisors
• Type 1 vs Type 2 Processing
• Paravirtualization
• Virtualization Qualities (1/2)
• Virtualization Qualities (2/2)
• Disadvantages of Virtualization
• Containerization
• Virtualization vs Containerization
• Where to Use Virtualization and Containerization
• Popular Containerization Systems
• What are Linux Containers
• Docker
• OpenVZ
• Solaris Zones (Containers)
• What is Docker
• Where Can I Ran Docker?
• Docker and Containerization on Linux
• Linux Kernel Features: cgroups and namespaces
• The Docker-Linux Kernel Interfaces
• Docker Containers vs Traditional Virtualization
• Docker as Platform-as-a-Service
• Docker Integration
• Docker Services
• Docker Application Container Public Repository
• Competing Systems
• Docker Command-line
• Starting, Inspecting, and Stopping Docker Containers
• Docker Benefits
• Summary

CHAPTER 4. CONTINUOUS INTEGRATION

• What is Continuous Integration
• What is Continuous Integration (cont’d)
• What is Continous Integration (cont’d)
• Integration Tools
• Typical Setup for Continuous Integration
• Jenkins Continuous Integration
• Jenkins Features
• Running Jenkins
• Chef Delivery
• Chef Delivery Pipeline
• Chef Delivery Pipeline (Contd.)
• Continuous Integration (Perforce Plugin for Jenkins)
• Jenkins Integration with various Version Control Solutions
• Jenkins Job
• Perforce Plugin Installation
• Apache Maven
• Goals of Maven
• What is Apache Maven?
• What is Apache Maven (cont’d)
• Why Use Apache Maven?
• The Maven EcoSystem
• Consistent Easy-to-Understand Project Layout
• Convention Over Configuration
• Maven is Different
• Maven Projects have a Standardized Build
• Effect of Convention Over Configuration
• Importance of Plugins
• A Key Point on Maven!
• Summary

CHAPTER 5. VERSION CONTROL

• What is Version Control
• What is Version Control (cont’d)
• History of Version Control
• “Undo” Capability
• Collaboration
• Collaboration (Cont’d)
• Communication and Sharing
• Auditing and Tracking
• Release Engineering, Maintenance, SDLC
• Diagnostics
• Distributed Version Control
• Integrating Version Control into Jenkins
• Perforce
• Important Perforce Terms
• Perforce Clients
• SVN
• SVN vs CVS
• SVN Installation
• SVN Life Cycle
• Some Useful Commands
• Some Useful Commands (Contd.)
• What is Git
• Git’s Design Goals
• Git’s Design Goals (cont’d)
• Branching and Merging
• Branching and Merging (cont’d)
• Centralized Version Control
• Distributed Version Control
• Git Basics
• Git Basics (Cont’d)
• Git Basics (cont’d)
• Getting Git
• Git on the Server
• Git Repository Managers
• Git on Somebody Else’s Server
• Using Git
• Definitions
• Definitions (cont’d)
• Repository (cont’d)
• Definitions (cont’d)
• Commit
• Commit (continued)
• How to Think About Commits
• Viewing History
• Configuring Git
• Configuration Scope
• User Identification
• User Identification (cont’d)
• GPG Signing
• Gnu Privacy Guard
• GPG Basics
• GPG and Git
• .gitignore
• Other Useful Configurations
• Mercurial
• Installation
• Some Useful Commands
• Some Useful Commands (Contd.)
• Team Foundation Version Control
• TFVC Workspaces
• TFVC Capablities
• Atomic Check-In
• Check-In Policies
• Shelving
• Team Visiblity
• Locks
• Labeling
• Branching
• Branch Visualization and Tracking
• Cross-Platform Support
• Disconnected Work
• Summary

CHAPTER 6. AUTOMATION SCRIPTING

• Why Automate
• When to Automate
• Goals for Scripting
• Error Handling
• Logging
• Automating Versioned Builds
• Automating Deployment
• Automating Continuous Integration Tests
• Automated Cleanup
• Introduction to Shell Scripts
• Basic Shell Script
• Return Status
• Variables
• Special Variables
• Arrays
• Operators
• Conditional Statements
• Conditional Statements (contd.)
• Loops
• Loops – while
• Loops – for
• Loops – until
• Loops – select
• Introduction to Python
• Basic Python Script
• Python Comments
• Assignment Not Allowed in Expressions
• Variable Naming
• Variable Assignment
• Numbers
• Strings
• Lists
• Tuples
• Dictionary
• Some Useful Data Type Conversion Functions
• Operators
• Decision Making
• Block Scope
• While Loop
• For Loop
• Break and Continue
• Functions
• Exceptions
• Classes
• Using Classes
• Inheritance
• Modules
• Introduction to Ruby
• Executing a Ruby File
• Ruby Objects
• Creating a Hash
• Setting Value of a Key
• Getting Value of a Key(s)
• Conditionals and Flow
• Methods
• Classes
• Including External Ruby Files
• Introduction to Perl
• Perl and Programmers
• First Perl Script
• Summary

CHAPTER 7. CONTINUOUS CODE QUALITY

• Continuous Code Quality
• What is SonarQube
• SonarQube – Benefits
• SonarQube (Multilingual)
• Seven Axes of Quality
• Potential Bugs
• Tests
• Comments and Duplications
• Architecture and Design
• Complexity
• SonarQube Installation
• SonarQube Components
• Code Quality (LOC, Code Smells)
• Code Quality (Project Files)
• Code Quality (Code)
• Summary

CHAPTER 8. CONTINUOUS MONITORING

• What is Continuous Monitoring
• Monitoring Tools
• Dynatrace Application Monitoring
• Dynatrace Application Monitoring (contd.)
• Dynatrace Application Monitoring
• Splunk
• Splunk Functionalities
• Splunk Searching
• Splunk Functions
• Nagios
• Nagios (contd.)
• Nagios – Installation
• Nagios – Hosts
• Nagios – Web User Interface (Hosts)
• Nagios – Monitoring Services
• Nagios – Monitoring Services (contd.)
• Monitoring HTTP
• Monitoring FTP
• Monitoring SSH
• Monitoring SMTP
• Monitoring POP3
• Monitoring IMAP
• Summary

CHAPTER 9. COLLABORATION

• What is JIRA?
• License
• JIRA Technical Specifications
• Issues
• Who uses JIRA
• JIRA Products
• JIRA Core
• JIRA Software
• JIRA Service Desk
• What a typical project involves?
• JIRA Integration
• Integrating JIRA into Jenkins
• Summary

CHAPTER 10. THE JOURNEY

• Agile Development
• Agile Development (cont’d)
• What is Continuous Integration
• What is Continuous Integration (cont’d)
• What is Continous Integration (cont’d)
• Typical Setup for Continuous Integration
• DevOps in the Enterprise
• Scaling DevOps
• Scaling DevOps (Organization Structure)
• Scaling DevOps (Locality)
• Scaling DevOps (Team Flexiblity)
• Scalling DevOps (Teams: Hiring as Scaling)
• Scaling DevOps (Teams: Employee Retention)
• DevOps Myths
• DevOps Anti-Patterns (Blame Culture)
• DevOps Anti-Patterns (Silos)
• DevOps Anti-Patterns (Root Cause Analsyis)
• DevOps Anti-Patterns (Human Error)
• DevOps Patterns For Success
• DevOps Patterns For Success (Cloud)
• DevOps Patterns For Success (Automation)
• DevOps Patterns For Success (Culture)
• Summary

LAB EXERCISES

Lab 1. Chef
Lab 2. Java, Jenkins, Maven, Tomcat, Perforce, and various SCM plugins for Jenkins
Lab 3. Docker
Lab 4. Version Control
Lab 5. Scripting 101 – Shell Scripting
Lab 6. Scripting 101 – Python
Lab 7. Apache, MySQL, and PHP
Lab 8. SonarQube
Lab 9. Nagios