IF GOVERNMENT CAN DO IT... Gareth Rushgrove (@garethr) Government - - PowerPoint PPT Presentation

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IF GOVERNMENT CAN DO IT... Gareth Rushgrove (@garethr) Government - - PowerPoint PPT Presentation

Dec 03, 2022 130 likes •1.45k views

IF GOVERNMENT CAN DO IT... Gareth Rushgrove (@garethr) Government Digital Service If Government can do it... Technical change in large organisations Gareth Rushgrove GDS Who (Who is this person?) Gareth Rushgrove GDS Gareth Rushgrove

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IF GOVERNMENT CAN DO IT...

Gareth Rushgrove (@garethr)

Government Digital Service

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GDS Gareth Rushgrove

If Government can do it...

Technical change in large

  • rganisations
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Who

(Who is this person?)

GDS Gareth Rushgrove

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GDS Gareth Rushgrove

Gareth Rushgrove Technical Architect Government Digital Service @garethr

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@garethr

GDS Gareth Rushgrove

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GDS Gareth Rushgrove

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GDS Gareth Rushgrove

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GDS Gareth Rushgrove

Last code I wrote

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GDS Gareth Rushgrove

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GDS Gareth Rushgrove

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GDS Gareth Rushgrove

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Background

(A startup in Government)

GDS Gareth Rushgrove

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GDS Gareth Rushgrove

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October 2010

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June 2011

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I joined. Team of about 10 people

August 2011

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January 2012

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GDS

(Government Digital Service)

GDS Gareth Rushgrove

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GDS Gareth Rushgrove

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GDS Gareth Rushgrove

October 2012

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Tools for citizens

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Tools for internal users

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Award winning

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Organisation of about 250 people

October 2013

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What

(What is this talk about again?)

GDS Gareth Rushgrove

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1

Adopting agile in a large organisation

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The importance of rapid releases

2

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Why auditors love infrastructure as code

3

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4

How being open makes everything better

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Work in an agile manner

(Scaling agile)

GDS Gareth Rushgrove

If government can

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GDS Gareth Rushgrove

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http://www.flickr.com/photos/psd/9120523574
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GDS Gareth Rushgrove

http://www.flickr.com/photos/psd/9104280608
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GDS Gareth Rushgrove

http://www.flickr.com/photos/psd/9109319242
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GDS Gareth Rushgrove

An example project

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From one team of about 14

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Product owner Delivery manager Developer Developer Developer Developer Developer Content designer Content designer Content designer Designer Developer Developer Developer
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To 140 people in 14 teams

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GDS Gareth Rushgrove

Product owner Delivery manager Developer Developer Developer Developer Developer Product owner Delivery manager Designer Developer Developer Content designer Developer Content designer Business analyst Product owner Delivery manager Developer Developer Developer Developer Developer Business analyst Product owner Delivery manager Developer Developer Developer Developer Developer Product owner Delivery manager Designer Developer Content designer Content designer Content designer Content designer Business analyst Content designer
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All in about a year

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Web operations team just another product team

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Product owner Delivery manager Developer Developer Developer Developer Developer Product owner Delivery manager Designer Developer Developer Content designer Developer Content designer Business analyst Product owner Delivery manager Developer Developer Developer Developer Developer Business analyst Product owner Delivery manager Developer Developer Developer Developer Developer Product owner Delivery manager Designer Developer Content designer Content designer Content designer Content designer Business analyst Content designer Product owner Delivery manager Web operations Web operations Web operations Web operations Web operations Web operations Web operations
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With web operations people in other teams when required

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Product owner Delivery manager Developer Developer Developer Developer Developer Product owner Delivery manager Designer Developer Developer Content designer Developer Content designer Business analyst Product owner Delivery manager Developer Developer Developer Developer Developer Business analyst Product owner Delivery manager Developer Developer Developer Developer Developer Product owner Delivery manager Designer Developer Content designer Content designer Content designer Content designer Business analyst Content designer Web operations Web operations
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And with developers also working on

  • perations tasks
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Someone in charge

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GDS Gareth Rushgrove

Product owner Delivery manager Developer Developer Developer Developer Developer Product owner Delivery manager Designer Developer Developer Content designer Developer Content designer Business analyst Product owner Delivery manager Developer Developer Developer Developer Developer Business analyst Product owner Delivery manager Developer Developer Developer Developer Developer Product owner Delivery manager Designer Developer Content designer Content designer Content designer Content designer Business analyst Content designer Programme owner Programme owner
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GDS Gareth Rushgrove

Information assurance, legal, procurement, programme support

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GDS Gareth Rushgrove

Product owner Delivery manager Developer Developer Developer Developer Developer Product owner Delivery manager Designer Developer Developer Content designer Developer Content designer Business analyst Product owner Delivery manager Developer Developer Developer Developer Developer Business analyst Product owner Delivery manager Developer Developer Developer Developer Developer Product owner Delivery manager Designer Developer Content designer Content designer Content designer Content designer Business analyst Content designer Programme support Programme support Programme support Programme support Programme support Programme support Programme support Programme suppo Programme support Programme support
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GDS Gareth Rushgrove

Governance

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SLIDE 52 Product owner Delivery manager Developer Developer Developer Developer Developer Product owner Delivery manager Designer Developer Developer Content designer Developer Content designer Business analyst Product owner Delivery manager Developer Developer Developer Developer Developer Business analyst Product owner Delivery manager Developer Developer Developer Developer Developer Product owner Delivery manager Designer Developer Content designer Content designer Content designer Content designer Business analyst Programme owner Board member Board member Board member Board member Board member Board member Board member Board member

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Board member Board member Board member Board member Board member Board member Board member Board member
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To an organisation of 250 people, multiple programmes and a portfolio management team

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GDS Gareth Rushgrove

Product owner Delivery manager Developer Developer Developer Developer Developer Product owner Delivery manager Designer Developer Developer Content designer Developer Content designer Business analyst Product owner Delivery manager Developer Developer Developer Developer Developer Business analyst Product owner Delivery manager Developer Developer Developer Developer Developer Product owner Delivery manager Designer Developer Content designer Content designer Content designer Content designer Business analyst Content designer Programme owner Board member Board member Board member Board member Board member Board member Board member Board member Product owner Delivery manager Developer Developer Developer Developer Developer Product owner Delivery manager Designer Developer Developer Content designer Developer Content designer Business analyst Product owner Delivery manager Developer Developer Developer Developer Developer Business analyst Product owner Delivery manager Developer Developer Developer Developer Developer Product owner Delivery manager Designer Developer Content designer Content designer Content designer Content designer Business analyst Content designer Programme owner Programme support Programme support Programme support Programme support Programme support Board member Board member Board member Board member Board member Board member Board member Board member Content designer Content designer Developer Content designer Content designer Content designer Portfolio manager Portfolio manager Portfolio manager Portfolio board Portfolio board Portfolio board Portfolio board Portfolio board Portfolio board Portfolio board
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Now working out how to scale that across multiple organisations

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Scaling agile

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Things that worked

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Avoiding dependencies

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Understand interfaces

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People AND software

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Multi-disciplinary teams

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Many small services

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Ability to throw things away

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Trust

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Release quickly

(Change control is fun)

GDS Gareth Rushgrove

If government can

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http://www.flickr.com/photos/psd/9099796942
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Average about 6 releases a day over first 6 months

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We changed less software on the day

  • f launch than

probably any day before or since

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One click deploy

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One place to deploy

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Zero click deploy for early parts of pipeline

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One click deploy with suitable processes and access controls

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Talk about operations

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  • 1. Transition planning and support
  • 2. Change management
  • 3. Asset and configuration management
  • 4. Release and deployment management
  • 5. Service validation and testing
  • 6. Change evaluation
  • 7. Knowledge management
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Share language

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Talk about risk

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Regular releases reduce risk

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Because everyone understands practice

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Treat everything as code

(The importance of process)

GDS Gareth Rushgrove

If government can

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Configuration management

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package { 'apache2': ensure => latest, } service { 'apache2': ensure => running, provider => upstart, require => Package['apache2'] }

Infrastructure as code

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class govuk::apps::calendars( $port = 3011 ) { govuk::app { 'calendars': app_type => 'rack', port => $port, health_check_path => ‘/bank-holidays’, } }

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Higher level abstractions

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Infrastructure not just configuration

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{ "role": "client", "platform": "production", "class": "backend", "zone": "backend", "vm_name": "backend-1", "ip": "xx.x.x.x" }

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Virtual machines

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require 'rubygems' require 'nat' nat do snat :interface => "Client Data", :original => { :ip => "10.0.0.0/xx" }, :translated => { :ip => "xx.xx.xx.xx" }, :desc => "Outbound internet traffic" dnat :interface => "Client Data", :original => { :ip => "xx.xx.xx.xx", :port => 22 }, :translated => { :ip => "10.0.0.xx", :port => 22 }, :desc => "jumpbox-1 SSH" dnat :interface => "Client Data", :original => { :ip => "xx.xx.xx.xx", :port => 80 },, :translated => { :ip => "10.0.0.xx", :port => 80 }, :desc => "jenkins, logging, monitoring HTTP"

GDS Gareth Rushgrove

Virtual networks

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require 'rubygems' require 'firewall' firewall do # internal rules rule "ssh access to jumpbox1" do source :ip => "Any" destination :ip => "xx.xx.xx.xx", :port => 22 end rule "http to backend applications" do source :ip => "Any" destination :ip => "xx.xx.xx.xx", :port => 80 end rule "https to backend applications" do

GDS Gareth Rushgrove

Virtual firewalls

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@normal Scenario: check quick answers load When I visit "/vat-rates" Then I should see "VAT rates" GDS Gareth Rushgrove

Smoke tests and monitoring

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@high Scenario: check quick answers load When I visit "/vat-rates" Then I should see "VAT rates" GDS Gareth Rushgrove

Change who responds to issue

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Reuse audited processes

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Code review, pairing, source control, release pipeline, access controls

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Avoiding spreadsheets as a source of truth

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Developers want visibility of deploys

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Organisations want auditability of deploys

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App showing deploys

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CMDB

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Work in the open

(The benefits of openness)

GDS Gareth Rushgrove

If government can

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http://www.flickr.com/photos/psd/9122642253
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Blogging

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Coding in the open

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Publishing tools

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Frontend applications

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Developer environment

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Handy utilities

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Published content

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Testing in the open

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Project backlogs

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Performance data

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Openness inside your organisation

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http://www.flickr.com/photos/psd/8756580339

Lots of information on dashboards

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What did we get from being open?

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Good will

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Validation

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Contributions

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Hiring

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In Summary

(Just remember this)

GDS Gareth Rushgrove

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GDS Gareth Rushgrove

Devops is about the

  • rganisation
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The processes in an

  • rganisation are

based on what is possible

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What is possible is changing all the time

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Find out more

(Lots of reading for everyone)

GDS Gareth Rushgrove

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Even contains a definition of devops

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Questions?

(and thanks for listening)

GDS Gareth Rushgrove

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GDS Gareth Rushgrove

Gareth Rushgrove Technical Architect Government Digital Service @garethr