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1
Develop Operation, Operate Development:
A journey towards delivery at large scale
Behrooz Nobakht
@behruz
Pavel Bushmelev

2.
✓ fun, simple, effective
✓ what a shopper experiences until
the order is delivered
✓ comprehend in context the
shopper’s intentions – implicit
and explicit
✓ personal without ever crossing
into the individual
Online Shopping

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3
Service
Deployment
Environment
Query
API
Data
API
Business
Configuratio
n API
PIM
Analytics
CRM

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4
When it started
Chef
2005
Puppet
2008
Fredhopper
Managed
Services
2009
OpsWorks
2013

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5
App
How we have evolved
App App Scripts
Deploy
HTTP
API
On-Premise
Deployment
AppApp Scripts
Deploy
HTTP
API
Managed
Service
Deployment

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How to operate massive deployments with JVM?
Magnitude of Scale

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What is a server?
Development
● Um, huh?!
● … pause …
● We deliver to Ops.
● They deploy!
Operations
● What version to install
● What process to start
● Which data to use
● How to access logs
● How to monitor
● How to sync load
balancers

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8
What is a server?
Development
● Um, huh?!
● … pause …
● We deliver to Ops.
● They deploy!
Operations
● What version to install
● What process to start
● Which data to use
● How to access logs
● How to monitor
● How to sync load
balancers

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“Server” abstraction
is too low-level for our
development and operation

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Server as a Service
A server as an HTTP API
1. /install
2. /data
3. /process
4. /logs
5. /monitor
6. /resources

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Server as a Service
A server as an HTTP API
1. /install
2. /data
3. /process
4. /logs
5. /monitor
6. /resources

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JVM Management with JVM
Service Provider Interfaces (SPI)
● A factory for an installation
● A factory for an running application
instance
● A factory for processes of an instance
● Generic RESTful operations
● Generic and standard endpoints: logs,
monitors, resources
App
java.lang.ProcessSPI
Implementations
http://IP:14777/

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JVM Management with JVM
Service Provider Interfaces (SPI)
● A factory for an installation
● A factory for an running application
instance
● A factory for processes of an instance
● Generic RESTful operations
● Generic and standard endpoints: logs,
monitors, resources
App
java.lang.ProcessSPI
Implementations
http://IP:14777/

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Deployment is a development responsibility
Development
● Does it have //:14777/?
● SPI implemented?
● Tested and Integrated?
● Locally Deployable?
● Deliver to Ops.
● They Deploy!
Operations
● What version to install
● What process to start
● Which data to use
● How to access logs
● How to monitor
● How to sync load
balancers
Does it really matter now what’s beneath //:14777/ ?!

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Deployment is a development responsibility
Development
● Does it have //:14777/?
● SPI implemented?
● Tested and Integrated?
● Locally Deployable?
● Deliver to Ops.
● They Deploy!
Operations
● What version to install
● What process to start
● Which data to use
● How to access logs
● How to monitor
● How to sync load
balancers
Does it really matter now what’s beneath //:14777/ ?!

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● Infrastructure provides servers
● Every server boots with one //:14777/
● Auto-register server with Controller
● Controller synchronizes servers with
load balancers
● Controller manages the state of
servers
● Controller automates workflows
Load Balancer
Monitoring
Infrastructure
Controller

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● Orchestration becomes automatic
● Relieve from small operation details
● Focus on a higher-level
○ Automation Process
○ Disaster Recovery
○ Failure Mitigation
○ Monitoring
○ Horizontal Scaling
Load Balancer
Monitoring
Infrastructure
Controller

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Development Operations
Modularization
via
Self-Contained
Services
Service
Cluster
Management
Infrastructure
Abstraction
Uniform
Deployment
Horizontal
Scalability
Decentralized
Governance
Infrastructure
Automation
Unified
Operations

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Operating
≅ 2000 AWS servers
with an
awesome small
DevOps team

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