Book Image

Practical OneOps

By : Nilesh Nimkar
Book Image

Practical OneOps

By: Nilesh Nimkar

Overview of this book

Walmart’s OneOps is an open source DevOps platform that is used for cloud and application lifecycle management. It can manage critical and complex application workload on any multi cloud-based infrastructure and revolutionizes the way administrators, developers, and engineers develop and launch new products. This practical book focuses on real-life cases and hands-on scenarios to develop, launch, and test your applications faster, so you can implement the DevOps process using OneOps. You will be exposed to the fundamental aspects of OneOps starting with installing, deploying, and configuring OneOps in a test environment, which will also come in handy later for development and debugging. You will also learn about design and architecture, and work through steps to perform enterprise level deployment. You will understand the initial setup of OneOps such as creating organization, teams, and access management. Finally, you will be taught how to configure, repair, scale, and extend applications across various cloud platforms.

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Practical OneOps
Nilesh Nimkar
Apr, 2017 | 266 pages
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Table of Contents (18 chapters)
Practical OneOps
Practical OneOps
Credits
Credits
About the Author
About the Author
About the Reviewer
About the Reviewer
www.PacktPub.com
www.PacktPub.com
Customer Feedback
Customer Feedback
Preface
Preface
Free Chapter
1
Getting Started with OneOps
Getting Started with OneOps
Amazon AMI
Vagrant
OneOps application key concepts
Summary
2
Understanding the OneOps Architecture
Understanding the OneOps Architecture
The OneOps system architecture
Summary
3
OneOps Application Life Cycle
OneOps Application Life Cycle
Adding a cloud to your organization
A brief note on services
Adding services under your cloud
Designing an assembly
Create an environment and deploy your assembly
Monitoring your assembly
Summary
4
OneOps Enterprise Deployment
OneOps Enterprise Deployment
Considerations for enterprise-level installation
Tips and suggestions for enterprise-level installation
Using OneOps to install OneOps
Summary
5
Practical Deployment Scenario
Practical Deployment Scenario
Deploying a load-balanced website with Apache HTTPD, Tomcat, and MySQL
Adding SSL to your HTTPD
Autoscaling your assembly
Adding autorepair and autoreplace
Deploying to multiple clouds
Understanding and resolving common deployment errors
Best practices
Summary
6
Managing Your OneOps
Managing Your OneOps
Upgrading OneOps with minimal downtime
Configuring database backups
Managing OneOps security
Managing OneOps groups
Managing OneOps teams
Summary
7
Working with Functional Components
Working with Functional Components
Inductor and its structure
What are circuits?
Summary
8
Building Components for OneOps
Building Components for OneOps
A brief recap of the OneOps architecture
What are components?
A look at packs
A look at platforms
What are assemblies?
Summary
9
Adding and Managing OneOps Components
Adding and Managing OneOps Components
Planning your component
Adding a new component
Creating a new platform
Installing and testing the new component
Pack maintenance
Updating CMS
Adding monitoring
Summary
10
Adding Your Own Cloud to OneOps
Adding Your Own Cloud to OneOps
Things to consider when adding support for a cloud
Adding a custom compute instance
Summary
11
Integrating with OneOps Using API
Integrating with OneOps Using API
Prerequisites
Connecting to the REST API using Ruby
Using Ruby to create and transition assembly
Maintaining your assembly
Summary

Connecting to the REST API using Ruby

The beauty of RESTful services and using JSON or XML to communicate over the web is that you can use any modern language (and many not-so-modern languages) to quickly and efficiently talk to OneOps. Since, so far, all our coding has been in Ruby, or to be specific in Chef, we will be using Ruby as an example language for this chapter. However, since the resources are idempotent, the language itself rarely matters. Before we can start using Ruby though, let's make sure that the appropriate dependencies are satisfied. Since we will be building our own custom REST client, we will be using a Ruby gem named rest-client. You can install it using the command:

gem install rest-client

Also, make sure that gem json is installed. You can install it by running the following command:

gem install json

For rest-client, you should have MRI Ruby 2.0 or higher installed. If you are trying this from a OneOps instance, then Ruby 2.0 or higher should already be installed...

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