Consul: Discover your Services Oliver Fischer Jrg Mller - - PowerPoint PPT Presentation

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Consul: Discover your Services Oliver Fischer Jrg Mller - - PowerPoint PPT Presentation

Oct 10, 2022 399 likes •860 views

Consul: Discover your Services Oliver Fischer Jrg Mller @sweblogtweets @JoergM Jrg Mller @JoergM Hypoport AG Oliver Fischer @sweblogtweets E-Post Development GmbH Why are we talking about Consul? Distributed Systems

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Consul: Discover your Services

Oliver Fischer
 @sweblogtweets 
 Jörg Müller
 @JoergM

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Jörg Müller @JoergM Hypoport AG Oliver Fischer @sweblogtweets E-Post Development GmbH

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Why are we talking about Consul?

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Distributed Systems are the new normality

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Problem Areas

Service Discovery Monitoring Orchestration Configuration

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What exactly is Service Discovery?

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Static Configuration

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Semantic DNS

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DNS and Loadbalancer

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Discovery via Registry

Service Registry register

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Using Consul for Service Discovery

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How does this work?

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Local agents everywhere

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Server are cluster 
 state aware

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Jim?

Jim is dead! J i m i s d e a d ! J i m i s d e a d ! J i m i s d e a d !

Communication between cluster nodes

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Interaction of agents

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Complex example

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Real World Use Case

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DNS?

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DNS? -> No

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REST-API?

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REST-API? -> No

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Consul & HAProxy

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Show case

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DEMO

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But there is more…

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Features of Consul

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Consul

Service registry

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Consul

Service registry DNS Server

Example on Github

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Consul

Service registry DNS Server

Example on Github

HTTP API

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Consul

Service registry DNS Server HTTP API Key Value Store

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Consul

Service registry DNS Server HTTP API Key Value Store Locks

Example on Github

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Consul

Service registry DNS Server HTTP API Key Value Store Locks Remote Execution

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Consul

Service registry DNS Server HTTP API Key Value Store Locks Remote Execution Watches & Events

Example on Github

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Consul

Service registry DNS Server HTTP API Key Value Store Locks Remote Execution Watches & Events

Example on Github

Checks

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Consul

Service registry DNS Server HTTP API Key Value Store Locks Remote Execution Watches & Events Checks Encryption and ACLs

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Consul

Service registry DNS Server HTTP API Key Value Store Locks Remote Execution Watches & Events Checks Encryption and ACLs Multiple Datacenters

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Consul

Service registry DNS Server HTTP API Key Value Store Locks Remote Execution Watches & Events Checks Third party integrations Encryption and ACLs Multiple Datacenters

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Summary

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State of Consul

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Difficulties today

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The potential rises while using it

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More on Consul

Getting started: https://consul.io/intro/index.html Documentation: https://consul.io/docs/index.html Our examples: https://github.com/JoergM/consul-examples

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Q & A