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Advanced Deployment techniques with Kubernetes

@rafabene

http://bit.ly/thedeploymaster

Link

@rafabene

rafael.benevides@oracle.com

rafael.benevides@gmail.com

@rafabene

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apiVersion: oracle/v1

kind: PrincipalProductManager

metadata:

name: Rafael Benevides

namespace: Oracle Linux team

annotations:

apache/contributor: Apache DeltaSpike PMC

labels:

developer: Java, NodeJS

hobby: 4x4, drones

spec:

replicas: 1

containers:

image: benevides/rafael:latest

Rafael Benevides

“Now, every company is a software company” — Forbes, 2011.

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@rafabene

Our IT World Morphs

@rafabene

developers.redhat.com

developers.redhat.com

@rafabene

3 Month

Deployment Cycle

3 Months BEFORE you gain Feedback and Learn

Plan

Dev

QA

UAT

Deploy

@rafabene

Feedback

Loop

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@rafabene

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@rafabene

Batch Size

3 Months

Vs

1 Week

@rafabene

January

Time

April

Innovation

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Learning

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Feedback

February

March

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Maintenance

Window

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Zero Downtime

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@rafabene

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Blue

Green

Deployments

@rafabene

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Blue

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Blue

Proxy

@rafabene

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Blue

Proxy

Green

@rafabene

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Blue

Proxy

Green

@rafabene

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Blue

Proxy

Green

@rafabene

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Blue

Proxy

Green

@rafabene

Demo

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Rolling

Upgrade

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Proxy

@rafabene

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Proxy

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Proxy

@rafabene

30

Proxy

@rafabene

Demo

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Canary

Deployments

@rafabene

@rafabene

Canary Resuscitator

http://www.openculture.com/2018/05/the-device-invented-to-resuscitate-canaries-in-coal-mines-circa-1896.html

Thanks to Paolo Antinori!

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Proxy

@rafabene

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Proxy

@rafabene

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Proxy

@rafabene

Canaries with Kubernetes

Service

Route/

Ingress

50%

50%

Canaries with Istio

Service

Route/

Ingress

90%

10%

Istio - Sail

@rafabene

Microservices embedding Capabilities

@rafabene

Container

JVM

Service B

Discovery

Load-balancer

Resiliency

Metrics

Tracing

Container

JVM

Service A

Discovery

Load-balancer

Resiliency

Metrics

Tracing

Container

JVM

Service C

Discovery

Load-balancer

Resiliency

Metrics

Tracing

Before Istio

Microservices externalizing Capabilities

@rafabene

After Istio

Microservices externalizing Capabilities

@rafabene

Pod

Container

JVM

Service B

Sidecar Container

After Istio

The sidecar intercepts all network traffic

Envoy is the current sidecar

@rafabene

Pod

Container

JVM

Service B

Sidecar Container

Demo

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A/B Testing

@rafabene

⅓ Positive Value-Add

“Our experience at Microsoft is no different: only about 1/3 of ideas improve the metrics they were designed to improve.”

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Ronny Kohavi

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Microsoft (formerly Amazon)

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http://ai.stanford.edu/~ronnyk/ExPThinkWeek2009Public.pdf

What is your�

Hypothesis?

@rafabene

@rafabene

@rafabene

@rafabene

Development

QA

Staging

Production

commit

SCM

Router

Users

A/B Testing

Hypothesis - Experiment - two variants: check-out button placement increase sales conversions for iOS users?

@rafabene

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Dark

Launch

@rafabene

Dark Launches with Istio

Service

Route/

Ingress

100%

100%

@rafabene

Mirror requests

Application State during deployments

• A methodology
• Manifesto
• Best practices
• Principles

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Created by

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@rafabene

VI. Processes

Execute the app as one or more stateless processes

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"Sticky sessions are a violation of twelve-factor and should never be used or relied upon. Session state data is a good candidate for a datastore that offers time-expiration, such as Memcached or Redis."

@rafabene

Demo

CI/CD Pipelines

Jez Humble Continuous Delivery

Continuous Delivery is the ability to get changes of all types—including new features, configuration changes, bug fixes and experiments—into production, or into the hands of users, safely and quickly in a sustainable way.

Purpose Of Pipeline

Jez Humble

“Job of deployment pipeline is to prove that the release candidate is unreleasable”

build

Development

buildbuild

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Staging

commit

SCM

Router

Users

CI/CD Pipeline

Starts with a “git commit and git push”

build

build

buildbuild

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Choose your deployment pattern

@rafabene

Demo

@RAFABENE

@rafabene

Run them on Linux

Oracle Linux

Master

API Server

SCM�(Git/Svn)

CI/CD

Automation

Controllers

- Scheduler

- Replication

- Services

- Builds

- Routes

- Deployment

Kubernetes

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https://developer.oracle.com

Copyright © 2019, Oracle and/or its affiliates. All rights reserved. |

@rafabene - bit.ly/quarkus

68

https://cloudnative.oracle.com

Copyright © 2019, Oracle and/or its affiliates. All rights reserved. |

@rafabene - bit.ly/quarkus