The document discusses the Golang skills and projects undertaken by Sofiane Imadali and Ayoub Bousselmi, detailing various open-source projects such as Play-With-Docker, VNF API, Wall API, Clutch, and Prometheus integration. It outlines the progression of Golang versions and their application for Docker projects from 2016 to 2019, along with libraries and goals for each project. Next steps include exploring Kubernetes and collaborating on custom resource definitions (CRDs).

1. Golang Skills
What we know so far…
Sofiane Imadali, Ayoub Bousselmi
21/02/2018

2. Agenda
 When, Why and How ?
 Golang Projects
 Play-with-Docker (open source project)
 VNF API (open source project from scratch)
 Wall and Wall API (open source project, api from scratch)
 Clutch (open source project, from scratch)
 Prometheus Integration (exporters development)
 Next steps…
 Kubernetes and CRD
2/21/2019 Golang Skills 2

3. When, Why and How ?
2/21/2019 Golang Skills 3

4. When, Why and How ?
2/21/2019 Golang Skills 4
When
 2016
 Go version: 1.7
Why
 Docker
 RANaaS project: beego based Swagger API (OpenAPI)
 integrations with MangoDB
 fake data generator like Joke2k/faker in Python:

5. When, Why and How ?
2/21/2019 Golang Skills 5
When
 2017
 Go version: 1.7, 1.8, 1.9
Why
 Docker with Play-with-Docker project
 Wall and Wall API
 VNF API to integrate Dockerized OpenAirInterface
 AccessPoint API to integrate with hostapd and dhcpd

6. When, Why and How ?
2/21/2019 Golang Skills 6
When
 2018
 Go version: 1.8, 1.9, 1.10
Why
 Docker with Play-with-Docker project
 Docker-machine driver for the PlayGround (PWD)
 Clutch: metrics exporter from PCP to Kafka
 All exporters with Prometheus (Web, Postgres),
Alertmanager
 GitTar: git clone from a repo (for CI)

7. Golang Projects
2/21/2019 Golang Skills 7

8. Play-with-Docker
2/21/2019 Golang Skills 8
Goal
 Ephemeral environment to play with docker
 Part of the Plug’in sandbox
Implementation
 Gorilla Mux: API routes and handlers
 Docker SDK (official API from github)
 HTML/CSS/JavaScript/WebSockets
connected to golang backend
Main libraries
 gorilla/mux
 docker/docker/api
 prometheus/promhttp
Links
 https://gitlab.forge.orange-labs.fr/lucy/playground

9. Docker Machine Driver
2/21/2019 Golang Skills 9
Goal
 Use docker-machine to interact with
PlayGround
 Create containers (DINDs) in the PlayGround
Implementation
 Docker-machine SDK
Main libraries
 docker/machine
Links
 https://gitlab.forge.orange-labs.fr/lucy/playground-driver

10. VNF API
2/21/2019 Golang Skills 10
Goal
 Wrap binaries and make them HTTP
attainable
 Inspired by Ligato project
Implementation
 Gin-gonik for swagger API
 Logrus for logging
 Templating for different configurations
Main libraries
 sirupsen/logrus
 gin-gonic/gin
 savaki/swag
Links
 https://www.sdxcentral.com/products/ligato/

11. Wall and Wall API
2/21/2019 Golang Skills 11
Goal
 Make something like Gist (Github) for the
Sandbox users
Implementation
 Jekyll + Nginx
 Golang based API + Templating for posts
Main libraries
 gorilla/mux + gorilla/handlers
 urfave/negroni
Links
 https://gitlab.forge.orange-labs.fr/lucy/wall-api
 https://gitlab.forge.orange-labs.fr/lucy/wall

12. Clutch
2/21/2019 Golang Skills 12
Goal
 Create small probe to extract metrics from
PCP to Kafka
Implementation
 Kafka and PCP integration
 Logrus for logging
 Viper for configuration management
Main libraries
 Shopify/sarama
 sirupsen/logrus
 spf13/viper
Links
 https://gitlab.forge.orange-labs.fr/tqwt7730/clutch

13. Prometheus Integration
2/21/2019 Golang Skills 13
Goal
 Export metrics from PlayGround to
Prometheus
 Create an observable deployment on
OpenWatt
Implementation
 Using official golang Http client
 Rebuild Docker images from source code
Main libraries
 prometheus/promhttp
Links
 https://gitlab.forge.orange-labs.fr/tqwt7730/prom-bbe

14. GitTar
2/21/2019 Golang Skills 14
Goal
 Clone a git project from remote repo
 Use BasicAuth credentials
Implementation
 Swagger REST API
 Combine with AtomDocs (Sandbox) for
documentation CI/CD
Main libraries
 gopkg.in/src-d/go-git.v4
 gin-gonic/gin
 savaki/swag
Links
 https://gitlab.forge.orange-labs.fr/tqwt7730/gittar

15. Beego
2/21/2019 Golang Skills 15
Goal
 Create an API for integration for the Radio
Access Network as a Service (RANaaS) project
Implementation
 Generate basic REST API micro-service
skeleton
Main libraries
 astaxie/beego
Links
 https://beego.me/

16. Next steps…
2/21/2019 Golang Skills 16

17. Kubernetes and CRD
2/21/2019 Golang Skills 17
 Play with Kubernetes
 https://github.com/play-with-docker/play-with-docker/tree/k8s
 Deploy K8S using Vagrant
 https://github.com/sofianinho/vagrant-kube
 CRD: we can collaborate !
 Operator Framework:
https://github.com/operator-framework

18. Thanks
sofiane.imadali@orange.com
ayoub.bousselmi@orange.com