Containers in OpenStack电子书

Title Page

Copyright

Containers in OpenStack

Credits

About the Authors

About the Reviewers

www.PacktPub.com

Why subscribe?

Customer Feedback

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Downloading the example code

Errata

Piracy

Questions

Working with Containers

The historical context of virtualization

Introduction to containers

Container components

Types of containers

Machine containers

Application containers

Types of container runtime tools

Docker

Rocket

LXD

OpenVZ

Windows Server containers

Hyper-V containers

Clear container

Installation of Docker

Docker hands-on

Working with Docker images

Listing images

Getting new images

Searching Docker images

Deleting images

Working with Docker containers

Creating containers

Listing containers

Checking container's logs

Starting containers

Deleting containers

Summary

Working with Container Orchestration Engines

Introduction to COE

Docker Swarm

Docker Swarm components

Node

Manager node

Worker node

Tasks

Services

Discovery service

Scheduler

Swarm mode

Apache Mesos

Apache Mesos and its components

Master

Slaves

Frameworks

Offer

Tasks

Zookeeper

Kubernetes

Kubernetes architecture

External request

Master node

kube-apiserver

etcd

kube-controller-manager

kube-scheduler

Worker nodes

kubelet

kube-proxy

Container runtime

supervisord

fluentd

Concepts in Kubernetes

Pod

Replica sets and replication controllers

Deployments

Secrets

Labels and selectors

Services

Volumes

Kubernetes installation

Kubernetes hands-on

Summary

OpenStack Architecture

Introduction to OpenStack

OpenStack architecture

Introduction to KeyStone, the OpenStack identity service

Introduction to Nova, the OpenStack compute service

Introduction to Neutron, the OpenStack network service

Introduction to Cinder, the OpenStack block storage service

Introduction to Glance, the OpenStack image service

Introduction to Swift, the OpenStack object store

DevStack installation

Creating a KeyStone user

Assign role to the user

Creating a VM using Nova

Attach volume to VM

Uploading an image to Swift

Summary

Containerization in OpenStack

The need for containers in OpenStack

Efforts within the OpenStack community to support containers

Nova

Heat

Magnum

Zun

Kuryr

Kolla

Murano

Fuxi

OpenStack-Helm

Summary

Magnum – COE Management in OpenStack

Magnum introduction

Concepts

Cluster template

Cluster

Cluster driver

Heat Stack Template

Template definition

Certificate

Service

Stats

Quotas

Key features

External load balancer for Kubernetes

Transport Layer Security

Scaling

Storage

Ephemeral storage

Persistent storage

Notifications

Container monitoring

Components

Magnum API

Magnum conductor

Walk-through

Magnum DevStack installation

Managing COEs

Summary

Zun – Container Management in OpenStack

Introduction to Zun

Concepts

Containers

Images

Services

Hosts

Capsules

Container drivers

Image drivers

Network drivers

Key features

Cinder integration

Container composition

Kuryr networking

Container sandbox

CPU sets

Components

zun-api

Zun scheduler

zun-compute

Zun WebSocket proxy

Walk-through

Zun DevStack installation

Managing containers

Summary

Kuryr – Container Plugin for OpenStack Networking

Introducing Kuryr

Kuryr architecture

Mapping the Docker libnetwork to the neutron API

Providing the generic VIF-Binding infrastructure

Providing containerized images of neutron plugins

Nesting VMs and Magnum use cases

Installation of Kuryr

Walk-through

Summary

Murano – Containerized Application Deployment on OpenStack

Introduction to Murano

Murano concepts

Environment

Package

Session

The environment template

Deployments

Bundle

Categories

Key features

Production-ready applications

Application catalog UI

Distributing workloads

Application development

Murano repository

Cinder volumes

Barbican support

HOT packages

Murano components

The Murano API

The Murano engine

The Murano agent

The Murano dashboard

Walk-through

Murano DevStack installation

Deploying a containerized application

Summary

Kolla – Containerized Deployment of OpenStack

Kolla introduction

Key features

Highly available deployment

Ceph support

Image building

Docker hub support

Local registry support

Multiple build sources

Dockerfile customization

Architecture

Deploying containerized OpenStack services

Setting up a local registry

Automatic host bootstrap

Building images

Deploying images

Summary

Best Practices for Containers and OpenStack

The advantages of different OpenStack projects

Best practices for securing and deploying containers

Summary