We choose not to integrate our cluster with CloudWatch. Actually, I chose not to use it, and you blindly followed my example. Therefore, I guess that an explanation is in order. It's going to be a short one. I don't like CloudWatch. I think it is a bad solution that is way behind the competition and, at the same time, it can become quite expensive when dealing with large quantities of data. More importantly, I believe that we should use services coming from hosting vendors only when they are essential or provide an actual benefit. Otherwise, we'd run a risk of entering the trap called vendor locking. Docker Swarm allows us to deploy services in the same way, no matter whether they are running in AWS or anywhere else. The only difference would be a volume driver we choose to plug in. Similarly, all the services we decided to deploy...
The DevOps 2.2 Toolkit
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The DevOps 2.2 Toolkit
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Overview of this book
Building on The DevOps 2.0 Toolkit and The DevOps 2.1 Toolkit: Docker Swarm, Viktor Farcic brings his latest exploration of the Docker technology as he records his journey to explore two new programs, self-adaptive and self-healing systems within Docker.
The DevOps 2.2 Toolkit: Self-Sufficient Docker Clusters is the latest book in Viktor Farcic’s series that helps you build a full DevOps Toolkit. This book in the series looks at Docker, the tool designed to make it easier in the creation and running of applications using containers. In this latest entry, Viktor combines theory with a hands-on approach to guide you through the process of creating self-adaptive and self-healing systems.
Within this book, Viktor will cover a wide-range of emerging topics, including what exactly self-adaptive and self-healing systems are, how to choose a solution for metrics storage and query, the creation of cluster-wide alerts and what a successful self-sufficient system blueprint looks like.
Work with Viktor and dive into the creation of self-adaptive and self-healing systems within Docker.
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The DevOps 2.2 Toolkit
Table of Contents (18 chapters)
Preface
Free Chapter
Introduction to Self-Adapting and Self-Healing Systems
Choosing a Solution for Metrics Storage and Query
Deploying and Configuring Prometheus
Scraping Metrics
Defining Cluster-Wide Alerts
Alerting Humans
Alerting the System
Self-Healing Applied to Services
Self-Adaptation Applied to Services
Painting the Big Picture – The Self-Sufficient System Thus Far
Instrumenting Services
Self-Adaptation Applied to Instrumented Services
Setting Up a Production Cluster
Self-Healing Applied to Infrastructure
Self-Adaptation Applied to Infrastructure
Blueprint of a Self-Sufficient System
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