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SOFTWARE FACTORY:
LES CHALLENGES ET NOS
PRATIQUES
Johanne Sebaux – IBM - Architecte QA
Rémi Lejeune – IBM – Développeur
Mars 2019
AGENDA
1. INTRODUCTION
2. NOTRE CONTEXTE: LE DÉVELOPPEMENT D’ODM
3. NOTRE PARCOURS
4. DÉMONSTRATION
1. INTRODUCTION
IBM FRANCE LAB : DECISION ENGINEERING AT THE HEART OF AI
IBM France Lab
350 développeurs
250 experts service/support
100 PhDs
5 Phd students
1 Center for Advanced Studies
100+ brevets déposés depuis 2011
Paris-GentillyParis-Saclay
Sofia-Antipolis
• Correlations
(Predictive
Models)
• Classifiers
(Descriptive
Models)
• Rules
(Prescriptive
Models)
Decide
Outside
World
DescribePredict
Machine Learning, Deep learning,
NLP, Vision
Big Data
& Analytics
Decision
Engineering
Pornichet
C’ÉTAIT AVANT…
• Processus hérités d’industries
plus anciennes
• Modèle rigide et lent
… ET MAINTENANT
• Méthodologies agiles
• Intégration continue
• Livraison continue
• Devops
NOTRE FOCUS : LA SOFTWARE FACTORY
Bugfix Feature
Updated software
2. NOTRE CONTEXTE : LE
DÉVELOPPEMENT D’ODM
© 2016 IBM
ODM : UN PROJET DE DÉVELOPPEMENT XXL
• 10,000,000 lignes de code
• 15 ans d’historique
• 300 bugs internes / mois
• 10+ branches maintenues en permanence
• 60 composants principaux
• Environ 100 développeurs dans une dizaine d’équipes
UNE FORÊT DE COMPOSANTS INTERDÉPENDANTS
EXPÉRIENCE: "REMPLISSAGE D'ENVELOPPE"
- EXERCICE 1 (MODE BATCH)
- EXERCICE 2 (MODE BOUT EN BOUT)
1ère enveloppe 6e enveloppe
Équipe 1 2’20’’ 2’58’’
Équipe 2 1’21’’ 2’24’’
Équipe 3 2’13’’ 3’31’’
1ère enveloppe 6e enveloppe
Équipe 1 28’’ 2’35’’
Équipe 2 26’’ 2’31’’
Équipe 3 22’’ 2’32’’
3. NOTRE PARCOURS DANS LA
FABRICATION DE LOGICIEL
PRODUCTION LOGICIELLE POUR ODM
Bugfix Feature
Updated software
POINT DE DÉPART
Dev Dev Dev Dev Dev Dev Stabilization Stabilization RC1 RC2 RC3 GM
6-12 months 2 months 2 months
Dev Dev Dev DevDev
C
B
A
EXEMPLE: MYSOFT
A B C
MODE SÉQUENTIEL
A B C
MODE SÉQUENTIEL
Dev Dev Dev Dev Dev Dev Stabilization Stabilization RC1 RC2 RC3 GM
6-12 months 2 months 2 months
Dev Dev Dev DevDev
A
B
C
Beta Version
C
B
A
C
B
A
Version officielle
LIVRAISON SÉQUENTIELLE
EFFET TUNNEL
PROBLÈME 1
Automatisation
AUTOMATISATION - CÔTÉ TECHNIQUE
Gestionnaire
de Source
RTC / GitHub
A
B
C
Dev Dev Dev Dev Dev Dev Stabilization Stabilization RC1 RC2 RC3 GM
6 months 2 months 2 months
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
AUTOMATISATION - CÔTÉ ORGANISATIONNEL
RIGIDITÉ
PROBLÈME 2
INTÉGRATION MANUELLE &
DISCRÈTE
FIN DU PROCESSUS MANUEL
Automatisation
Orchestration
Intégration Continue
Bamboo
Travis
Gestionnaire
de Source
RTC / GitHub
Conteneur d’artéfact
Nexus/Maven
Artifactory
Agent
Agent
Agent
INTÉGRATION CONTINUE - CÔTÉ TECHNIQUE
INTÉGRATION CONTINUE - CÔTÉ CULTUREL
Dev Dev Dev Dev Dev Dev RC1 RC2 RC3 GM
6 months 2 months
Sta
biliz
atio
n
Sta
biliz
atio
n
Sta
biliz
atio
n
Sta
biliz
atio
n
Sta
biliz
atio
n
Sta
biliz
atio
n
Dev Dev Dev Dev Dev Dev Stabilization Stabilization RC1 RC2 RC3 GM
6 months 2 months 2 months
INTÉGRATION CONTINUE - CÔTÉ ORGANISATIONNEL
AVANT L'INTÉGRATION CONTINUE
APRÈS L'INTÉGRATION CONTINUE
CONSISTANCE
PROBLÈME 3
B1(A1)A1
A2 B2(A2)
C1(B1)
Automatisation
Orchestration
Livraison
Continue
LIVRAISON CONTINUE - CÔTÉ TECHNIQUE
Dev Dev Dev Dev Dev Dev RC1 RC2 RC3 GM
6 months 2 months
Sta
biliz
atio
n
Sta
biliz
atio
n
Sta
biliz
atio
n
Sta
biliz
atio
n
Sta
biliz
atio
n
Sta
biliz
atio
n
Dev Dev Dev Dev Dev Dev GM
6 months 3
weeks
Bu
ild
Bu
ild
Bu
ild
Bu
ild
Bu
ild
Bu
ild
LIVRAISON CONTINUE - CÔTÉ ORGANISATIONNEL
AVANT LA LIVRAISON CONTINUE
APRÈS LA LIVRAISON CONTINUE
ADOPTION
PROBLÈME 4
Automatisation
Orchestration
Livraison
Continue
DevOps
Dev Dev Dev Dev Dev Dev GM
6 months 3
weeks
Bu
ild
Bu
ild
Bu
ild
Bu
ild
Bu
ild
Bu
ild
Dev Dev Dev Refesh
3 months
Bu
ild
Bu
ild
Bu
ild
DEVOPS - CÔTÉ ORGANISATIONNEL
AVANT DEVOPS
APRÈS DEVOPS
Dev Refesh
1 month
Build
APRÈS DEVOPS AU MIEUX
DÉMONSTRATION
BACKUP
AGILITÉ: DÉFINITION
CULTURE & TECHNIQUE
Release
planning
•Critical function
that drive
release
roadmap,
project plan,
delivery
schedule
•Avoid waterfall
processes —>
Agile processes
•Small, frequent
releases —>
focus on quality
Collaboration
•Development,
QA, and
operations
organizations
need to
coordinate
Automation
•Tooling to
automate the
E2E software
development
and deployment
process
Continuous
integration
•Forcing
developers to
integrate their
work with other
developers
frequently
Continuous
Delivery
•Release more
rapidly, more
frequently
specifically on
Cloud and
Bluemix.
Get customer
feedback faster.
Continuous
testing
•Is not a just
about QA
people (Dev &
Infrastructure
needed)
Continuous
monitoring &
feedback
•Failures must be
found and fixed
asap  Tooling
Continuous
improvement
•On going
process for
improvement
inspired by
Toyota Kata and
iteration
retrospectives
•What are our
impediments ?
•How can we
accelerate this
?
IBM OPERATIONAL DECISION
MANAGER
39
ODM is platform for
• Capturing
• Governing
• Executing
frequent, repeatable business decisions
A
B (A1)
C (A2)
D
Itération 1 Itération 2 Itération 3 Livraison
A : feature a.3 +
bug fix
A : feature a.2 +
bug fix
A : feature a.1
B: feature b.2 +
Bug fix
B : feature b.1
Développement Agile
A : bug fix
B: bug fix

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IBM Cloud Bordeaux Meetup - 20190325 - Software Factory

  • 1. SOFTWARE FACTORY: LES CHALLENGES ET NOS PRATIQUES Johanne Sebaux – IBM - Architecte QA Rémi Lejeune – IBM – Développeur Mars 2019
  • 2. AGENDA 1. INTRODUCTION 2. NOTRE CONTEXTE: LE DÉVELOPPEMENT D’ODM 3. NOTRE PARCOURS 4. DÉMONSTRATION
  • 4. IBM FRANCE LAB : DECISION ENGINEERING AT THE HEART OF AI IBM France Lab 350 développeurs 250 experts service/support 100 PhDs 5 Phd students 1 Center for Advanced Studies 100+ brevets déposés depuis 2011 Paris-GentillyParis-Saclay Sofia-Antipolis • Correlations (Predictive Models) • Classifiers (Descriptive Models) • Rules (Prescriptive Models) Decide Outside World DescribePredict Machine Learning, Deep learning, NLP, Vision Big Data & Analytics Decision Engineering Pornichet
  • 5. C’ÉTAIT AVANT… • Processus hérités d’industries plus anciennes • Modèle rigide et lent
  • 6. … ET MAINTENANT • Méthodologies agiles • Intégration continue • Livraison continue • Devops
  • 7. NOTRE FOCUS : LA SOFTWARE FACTORY Bugfix Feature Updated software
  • 8. 2. NOTRE CONTEXTE : LE DÉVELOPPEMENT D’ODM
  • 9. © 2016 IBM ODM : UN PROJET DE DÉVELOPPEMENT XXL • 10,000,000 lignes de code • 15 ans d’historique • 300 bugs internes / mois • 10+ branches maintenues en permanence • 60 composants principaux • Environ 100 développeurs dans une dizaine d’équipes
  • 10. UNE FORÊT DE COMPOSANTS INTERDÉPENDANTS
  • 11. EXPÉRIENCE: "REMPLISSAGE D'ENVELOPPE" - EXERCICE 1 (MODE BATCH) - EXERCICE 2 (MODE BOUT EN BOUT) 1ère enveloppe 6e enveloppe Équipe 1 2’20’’ 2’58’’ Équipe 2 1’21’’ 2’24’’ Équipe 3 2’13’’ 3’31’’ 1ère enveloppe 6e enveloppe Équipe 1 28’’ 2’35’’ Équipe 2 26’’ 2’31’’ Équipe 3 22’’ 2’32’’
  • 12. 3. NOTRE PARCOURS DANS LA FABRICATION DE LOGICIEL
  • 13. PRODUCTION LOGICIELLE POUR ODM Bugfix Feature Updated software
  • 14. POINT DE DÉPART Dev Dev Dev Dev Dev Dev Stabilization Stabilization RC1 RC2 RC3 GM 6-12 months 2 months 2 months Dev Dev Dev DevDev
  • 16. A B C MODE SÉQUENTIEL
  • 17. A B C MODE SÉQUENTIEL Dev Dev Dev Dev Dev Dev Stabilization Stabilization RC1 RC2 RC3 GM 6-12 months 2 months 2 months Dev Dev Dev DevDev
  • 21. AUTOMATISATION - CÔTÉ TECHNIQUE Gestionnaire de Source RTC / GitHub
  • 22. A B C Dev Dev Dev Dev Dev Dev Stabilization Stabilization RC1 RC2 RC3 GM 6 months 2 months 2 months A B C A B C A B C A B C A B C AUTOMATISATION - CÔTÉ ORGANISATIONNEL
  • 23. RIGIDITÉ PROBLÈME 2 INTÉGRATION MANUELLE & DISCRÈTE FIN DU PROCESSUS MANUEL
  • 25. Intégration Continue Bamboo Travis Gestionnaire de Source RTC / GitHub Conteneur d’artéfact Nexus/Maven Artifactory Agent Agent Agent INTÉGRATION CONTINUE - CÔTÉ TECHNIQUE
  • 26. INTÉGRATION CONTINUE - CÔTÉ CULTUREL
  • 27. Dev Dev Dev Dev Dev Dev RC1 RC2 RC3 GM 6 months 2 months Sta biliz atio n Sta biliz atio n Sta biliz atio n Sta biliz atio n Sta biliz atio n Sta biliz atio n Dev Dev Dev Dev Dev Dev Stabilization Stabilization RC1 RC2 RC3 GM 6 months 2 months 2 months INTÉGRATION CONTINUE - CÔTÉ ORGANISATIONNEL AVANT L'INTÉGRATION CONTINUE APRÈS L'INTÉGRATION CONTINUE
  • 30. LIVRAISON CONTINUE - CÔTÉ TECHNIQUE
  • 31. Dev Dev Dev Dev Dev Dev RC1 RC2 RC3 GM 6 months 2 months Sta biliz atio n Sta biliz atio n Sta biliz atio n Sta biliz atio n Sta biliz atio n Sta biliz atio n Dev Dev Dev Dev Dev Dev GM 6 months 3 weeks Bu ild Bu ild Bu ild Bu ild Bu ild Bu ild LIVRAISON CONTINUE - CÔTÉ ORGANISATIONNEL AVANT LA LIVRAISON CONTINUE APRÈS LA LIVRAISON CONTINUE
  • 34. Dev Dev Dev Dev Dev Dev GM 6 months 3 weeks Bu ild Bu ild Bu ild Bu ild Bu ild Bu ild Dev Dev Dev Refesh 3 months Bu ild Bu ild Bu ild DEVOPS - CÔTÉ ORGANISATIONNEL AVANT DEVOPS APRÈS DEVOPS Dev Refesh 1 month Build APRÈS DEVOPS AU MIEUX
  • 38. CULTURE & TECHNIQUE Release planning •Critical function that drive release roadmap, project plan, delivery schedule •Avoid waterfall processes —> Agile processes •Small, frequent releases —> focus on quality Collaboration •Development, QA, and operations organizations need to coordinate Automation •Tooling to automate the E2E software development and deployment process Continuous integration •Forcing developers to integrate their work with other developers frequently Continuous Delivery •Release more rapidly, more frequently specifically on Cloud and Bluemix. Get customer feedback faster. Continuous testing •Is not a just about QA people (Dev & Infrastructure needed) Continuous monitoring & feedback •Failures must be found and fixed asap  Tooling Continuous improvement •On going process for improvement inspired by Toyota Kata and iteration retrospectives •What are our impediments ? •How can we accelerate this ?
  • 39. IBM OPERATIONAL DECISION MANAGER 39 ODM is platform for • Capturing • Governing • Executing frequent, repeatable business decisions
  • 40.
  • 42. Itération 1 Itération 2 Itération 3 Livraison A : feature a.3 + bug fix A : feature a.2 + bug fix A : feature a.1 B: feature b.2 + Bug fix B : feature b.1 Développement Agile A : bug fix B: bug fix