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Self service build and deployment at Netflix (Agile 2013)
 

Self service build and deployment at Netflix (Agile 2013)

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How Netflix lets all of our engineers build and deploy their own code to production.

How Netflix lets all of our engineers build and deploy their own code to production.

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    Self service build and deployment at Netflix (Agile 2013) Self service build and deployment at Netflix (Agile 2013) Presentation Transcript

    • Tweet @garethbowles with feedback! Self-Service Build & Deployment @Netflix Monday, August 5, 13
    • Tweet @garethbowles with feedback! • How would your organization be different if all of your engineers could build, test and deploy their own code ... • ... and were responsible for fixing what they broke at 3am ? Monday, August 5, 13
    • Tweet @garethbowles with feedback! Gareth Bowles Monday, August 5, 13
    • Tweet @garethbowles with feedback! Monday, August 5, 13
    • Tweet @garethbowles with feedback! Netflix is the world’s leading Internet television network with more than 36 million members in 40 countries enjoying more than one billion hours ofTV shows and movies per month, including original series. Source: http://ir.netflix.com Monday, August 5, 13
    • Tweet @garethbowles with feedback! The Challenge • We need to innovate rapidly, driven by: • Global competition • New connected devices • Continuous customer feedback • And we need fast rollback Monday, August 5, 13
    • Tweet @garethbowles with feedback! The Challenge • We need to scale to cope with: • Growing customer base • Peaks in demand: • Special events: holidays, Oscars • Daily fluctuations (weekdays vs. weekends, daytime vs. evening) Monday, August 5, 13
    • Tweet @garethbowles with feedback! Things That Help • We can push out updates whenever we like • Company culture Monday, August 5, 13
    • Tweet @garethbowles with feedback! Things That Got in Our Way Monday, August 5, 13
    • Tweet @garethbowles with feedback! A Few ShortYears Ago ... • Monolithic web app • Single points of failure • Releases were done by following runbooks • DC-based infrastructure • Different teams used different tools Monday, August 5, 13
    • Tweet @garethbowles with feedback! Meeting the Challenge Monday, August 5, 13
    • Tweet @garethbowles with feedback! http://www.slideshare.net/reed2001/culture-1798664 Monday, August 5, 13
    • Tweet @garethbowles with feedback! Freedom and Responsibility • Hire mature people who work well with others • Give them the context for company success • Then get out of their way • But hold them responsible for results Monday, August 5, 13
    • Tweet @garethbowles with feedback! Context, not Control • Be transparent about what the company needs to succeed • Minimize the processes people need to go through to achieve success • Value results, not planning and process Monday, August 5, 13
    • Tweet @garethbowles with feedback! Highly Aligned, Loosely Coupled • Clear strategy and goals • Team interactions focus on strategy, not tactics • Minimal cross-functional meetings • Occasional post-mortems to increase alignment Monday, August 5, 13
    • Tweet @garethbowles with feedback! What This Helped Us Achieve • DVD to Streaming • DC to cloud • US-only to 40-plus countries Monday, August 5, 13
    • Tweet @garethbowles with feedback! Architecture Credit: Steve Somers Monday, August 5, 13
    • Tweet @garethbowles with feedback! Key Changes • Service oriented architecture • Many small teams, each providing their own interconnected service • Deploy on Amazon Web Services • Increased reliance on open source Monday, August 5, 13
    • Tweet @garethbowles with feedback! Highly aligned, loosely coupled • Services are built by different teams who work together to figure out what each service will provide. • The service owner publishes an API that anyone can use. Monday, August 5, 13
    • Tweet @garethbowles with feedback! What AWS Provides • Machine Images (AMI) • Instances (EC2) • Elastic IPs • Load Balancers • Security groups / Autoscaling groups Monday, August 5, 13
    • Tweet @garethbowles with feedback! Freedom and Responsibility • Developers deploy when they want • They also manage their own capacity and autoscaling • And fix anything that breaks at 3am! Monday, August 5, 13
    • Tweet @garethbowles with feedback! Personaliza-­‐ Eon  Engine User  Info Movie   Metadata Movie   RaEngs Similar   Movies API Reviews A/B  Test   Engine 2B  requests   per  day   into  the  Ne3lix   API 12B  outbound   requests  per   day  to  API   dependencies Monday, August 5, 13
    • Tweet @garethbowles with feedback! Personaliza-­‐ Eon  Engine User  Info Movie   Metadata Movie   RaEngs Similar   Movies API Reviews A/B  Test   Engine 2B  requests   per  day   into  the  Ne3lix   API 12B  outbound   requests  per   day  to  API   dependencies Monday, August 5, 13
    • Tweet @garethbowles with feedback! Build and Deployment Monday, August 5, 13
    • Tweet @garethbowles with feedback! The Audience • ~700 engineers • Large majority are developers • Test engineers • Delivery teams • Operations & reliability engineering Monday, August 5, 13
    • Tweet @garethbowles with feedback! Our Goal • Lower the barriers to build, test and deployment until the entire process is accessible to every developer. Monday, August 5, 13
    • Tweet @garethbowles with feedback! The Team • 11 engineers and 1 director (but we’re hiring !) • Developers, build / release engineers, DevOps • Specialize, but understand the full stack • Service oriented Monday, August 5, 13
    • Tweet @garethbowles with feedback! Self-Service Build & Deployment • Channel best practices Monday, August 5, 13
    • Tweet @garethbowles with feedback! Self-Service Build & Deployment • Channel best practices • Promote, don’t dictate Monday, August 5, 13
    • Tweet @garethbowles with feedback! Self-Service Build & Deployment • Channel best practices • Promote, don’t dictate • Make adoption easy Monday, August 5, 13
    • Tweet @garethbowles with feedback! Self-Service Build & Deployment • Channel best practices • Promote, don’t dictate • Make adoption easy • Make tools flexible Monday, August 5, 13
    • Tweet @garethbowles with feedback! Building and Deploying Perforce / Git libraries source Ant targets Ivy Groovy all over snapshot / release libraries / apps Jenkins sync resolve buildcompile report publishtest Artifactory yum Aminator Asgard rpms Monday, August 5, 13
    • Tweet @garethbowles with feedback! Building and Deploying Perforce / Git libraries source Ant targets Ivy Groovy all over snapshot / release libraries / apps Jenkins sync resolve buildcompile report publishtest Artifactory yum Aminator Asgard rpms Monday, August 5, 13
    • Tweet @garethbowles with feedback! Is That Really Self-Service ? Monday, August 5, 13
    • Tweet @garethbowles with feedback! Common Build Framework • Define a build with just a few lines of Ant code • Templates for libraries and webapps • Override standard targets if you need to Monday, August 5, 13
    • Tweet @garethbowles with feedback! Jenkins Job DSL • Define Jenkins build jobs using a domain specific language (based on Groovy) • Loop to create multiple jobs (e.g. for building different branches) • Make one change and rerun to update all jobs • The code is the configuration • https://wiki.jenkins-ci.org/display/JENKINS/Job Monday, August 5, 13
    • Tweet @garethbowles with feedback! Jenkins Dynaslaves • Create build slaves in AWS • Dedicated slave pools for teams • Scale slave pools up and down on demand • https://github.com/Netflix-Skunkworks/ dynaslave-plugin Monday, August 5, 13
    • Tweet @garethbowles with feedback! From Build to Deployment Monday, August 5, 13
    • Tweet @garethbowles with feedback! Aminator • Create (“bake”) AMIs • Image contains a service and everything needed to run it • Can be automatically triggered as a build step • https://github.com/Netflix/aminator Monday, August 5, 13
    • Tweet @garethbowles with feedback! How Baking is Different https://github.com/Netflix/aminator Monday, August 5, 13
    • Tweet @garethbowles with feedback! How Baking is Different Traditional: •launch OS •install packages •install app https://github.com/Netflix/aminator Monday, August 5, 13
    • Tweet @garethbowles with feedback! How Baking is Different Generic AMI Instance Traditional: •launch OS •install packages •install app https://github.com/Netflix/aminator Monday, August 5, 13
    • Tweet @garethbowles with feedback! How Baking is Different Generic AMI Instance Traditional: •launch OS •install packages •install app https://github.com/Netflix/aminator Monday, August 5, 13
    • Tweet @garethbowles with feedback! How Baking is Different Generic AMI Instance Traditional: •launch OS •install packages •install app https://github.com/Netflix/aminator Monday, August 5, 13
    • Tweet @garethbowles with feedback! How Baking is Different Generic AMI Instance Traditional: •launch OS •install packages •install app Netflix: •launch OS+app https://github.com/Netflix/aminator Monday, August 5, 13
    • Tweet @garethbowles with feedback! How Baking is Different Generic AMI Instance Traditional: •launch OS •install packages •install app Netflix: •launch OS+app App AMI Instance https://github.com/Netflix/aminator Monday, August 5, 13
    • Tweet @garethbowles with feedback! Linux Base AMI (CentOS or Ubuntu) Java (JDK 6 or 7) Tomcat Optional Apache Monitoring Log Rotation to S3 Appdynamics Machine Agent Appdynamics App Agent monitoring Application war file, base servlet, platform, interface jars for dependent services GC and thread dump logging Healthcheck, status servlets, JMX interface, Servo autoscale Monday, August 5, 13
    • Tweet @garethbowles with feedback! At Netflix, the AMI is the unit of deployment. Monday, August 5, 13
    • Tweet @garethbowles with feedback! Asgard • Web UI and REST API for service deployment and management • Manage ASGs, ELBs, security groups, ... • Application -> cluster -> ASG • Rapid deployment and rollback • Available to all engineers • https://github.com/Netflix/asgard Monday, August 5, 13
    • Tweet @garethbowles with feedback! Red / Black Deployment Monday, August 5, 13
    • Tweet @garethbowles with feedback! Netflix has moved the granularity from the instance to the cluster. Monday, August 5, 13
    • Tweet @garethbowles with feedback! Simple Service Setup Effort • Write the code (variable :-)) • 15 minutes to write a build file and define dependencies • 15 mins to create a Jenkins build, 2 to 10 mins to run it • 5 mins to bake an AMI • 10 mins to deploy in test, another 10 for prod Monday, August 5, 13
    • Tweet @garethbowles with feedback! Just a quick reminder... (Some of) Netflix is open source: https://github.com/netflix Monday, August 5, 13
    • Tweet @garethbowles with feedback! Why We Open Source • Give back to Apache license OSS community • Motivate, retain, hire top engineers • Benefit from a shared ecosystem • Make Netflix solutions into common standards Monday, August 5, 13
    • Tweet @garethbowles with feedback! The Netflix Platform Discovery (Eureka) Entrypoints (Edda) Configuration (Archaius) Zookeeper (Exhibitor) logging (Blitz4j & Honu) NIWS (Ribbon) Geo Base Hystrix Circuit Breakers (Hystrix) Cassandra (Priam & Astyanax & CassJMeter) Cryptex AKMS EvCache Zuul i18n L10n Open Source Monday, August 5, 13
    • Tweet @garethbowles with feedback! https://github.com/Netflix/Cloud-Prize/wiki Monday, August 5, 13
    • Tweet @garethbowles with feedback! ThankYou ! Email: gbowles@{gmail,netflix}.com Twitter: @garethbowles Linkedin: www.linkedin.com/in/garethbowles Monday, August 5, 13