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![Write a function
// Handle a serverless request
func Handle(req []byte) string {
return fmt.Sprintf("Hello, Go. You
said: %s", string(req))
}
handler.go
Use tools like dep for vendoring
faas new hello-paris --lang go -p ewilde
Go
Template
Docker
Image
$ faas up1. 2.
Handler
Registry
+
Gateway](https://image.slidesharecdn.com/openfaasintro-181221173624/85/Serverless-when-functions-and-GitOps-collide-11-320.jpg)
Uploaded byEdward Wilde
Serverless: when functions and GitOps collide
The document is a presentation by Edward Wilde on OpenFaaS, a serverless functions platform, highlighting its installation, functionalities like autoscaling, and a live demo. It emphasizes the developer-first approach of OpenFaaS, its portability, and open-source nature, making it suitable for various environments like Kubernetes and Docker. Additionally, it discusses community engagement and the features of OpenFaaS Cloud, which supports CI/CD and multi-user access.
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Serverless: when functions and GitOps collide
- 1. Edward Wilde -Core Contributor - @ewilde Platform Architect, Form3 Serverless: when functions and GitOps collide Cloud Native Computing Paris 2018
- 2. What we aregoing to cover? • Installing OpenFaaS in 60s 📈 • Your first function • Autoscaling • GitOps + Functions = OpenFaaS Cloud • Live demo 🔥 💳 • Get involved 👍 Tweet @openfaas 🤳 📸 @ewilde
- 3. OpenFaaS - Functionsas a Service • Started in Nov 2016 • Containers, Alexa, Swarm 🐳 • Full time team @ VMware • Production users 💻 • Bossie awards 🥇🥈
- 4. Serverless Functions MadeSimple Easy to use
- 5. Serverless Functions MadeSimple Easy to use Any code Anywhere Any scale You decide the limits
- 6. Developer-first Gets out yourway • 📄 • 💬 • 🕸
- 7. Templates for mostpopular languages* * DigitalOcean Currents report https://do.co/2wjzUyR
- 8. Templates for mostpopular languages* * DigitalOcean Currents report https://do.co/2wjzUyR
- 9. Installing OpenFaaS democratically LIBERTY,EQUALITY, FRATERNITY • Raspberry Pi ARM (docker swarm) • Docker swarm x86-64 • Kubernetes x86-64 ▪ List
- 10. Demo What you saw: •Installing OpenFaaS • Function Store • Machine-learning • Creating a new function
- 11. Write a function //Handle a serverless request func Handle(req []byte) string { return fmt.Sprintf("Hello, Go. You said: %s", string(req)) } handler.go Use tools like dep for vendoring faas new hello-paris --lang go -p ewilde Go Template Docker Image $ faas up1. 2. Handler Registry + Gateway
- 12. Stack files (YAML) functions: move-money: lang:go handler: ./move-money image: move-money:0.1 register-user: lang: go handler: ./register-user image: register-user:0.2 environment: http_proxy: http://corp.ad.com:3128 secrets: - bank-api-key
- 13. Stack files (YAML) functions: move-money: lang:go handler: ./move-money image: move-money:0.1 register-user: lang: go handler: ./register-user image: register-user:0.2 environment: http_proxy: http://corp.ad.com:3128 secrets: - bank-api-key
- 14. Stack files (YAML) functions: move-money: lang:go handler: ./move-money image: move-money:0.1 register-user: lang: go handler: ./register-user image: register-user:0.2 environment: http_proxy: http://corp.ad.com:3128 secrets: - bank-api-key
- 15. Stack files (YAML) functions: move-money: lang:go handler: ./move-money image: move-money:0.1 register-user: lang: go handler: ./register-user image: register-user:0.2 environment: http_proxy: http://corp.ad.com:3128 secrets: - bank-api-key
- 20.
- 21. Why OpenFaaS? • Buildand deployment pipeline
- 22. Why OpenFaaS? • Buildand deployment pipeline
- 23. Why OpenFaaS? • Buildand deployment pipeline
- 24. Why OpenFaaS? • Buildand deployment pipeline • Portability
- 25. Why OpenFaaS? • Buildand deployment pipeline • Portability • Open-source
- 26. Why OpenFaaS? • Buildand deployment pipeline • Portability • Open-source
- 27. Why OpenFaaS? • Buildand deployment pipeline • Portability • Open-source
- 28. Why OpenFaaS? • Buildand deployment pipeline • Portability • Open-source • Fits our engineering tao a Chinese word signifying 'way', 'path', 'route', ‘road' #fancy
- 29. Why OpenFaaS? • Buildand deployment pipeline • Portability • Open-source • Fits our engineering tao • Open vs closed source a Chinese word signifying 'way', 'path', 'route', ‘road' #fancy
- 30. Why OpenFaaS? • Buildand deployment pipeline • Portability • Open-source • Fits our engineering tao • Open vs closed source • Loosely coupled systems a Chinese word signifying 'way', 'path', 'route', ‘road' #fancy
- 31. Why OpenFaaS? • Buildand deployment pipeline • Portability • Open-source • Fits our engineering tao • Open vs closed source • Loosely coupled systems • Unix philosophy a Chinese word signifying 'way', 'path', 'route', ‘road' #fancy
- 32. Why OpenFaaS? • Buildand deployment pipeline • Portability • Open-source • Fits our engineering tao • Open vs closed source • Loosely coupled systems • Unix philosophy • Vendor neutral a Chinese word signifying 'way', 'path', 'route', ‘road' #fancy
- 35. Kubernetes FaaS compared OpenFaaSKubeless Knative Vendor Community Bitnami Google Maturity 2.5yr 2.5yr 6mo Stable ✅ ✅ ❌ Docker ✅ ❌ ✅ YAML Stack/CRD CRD CRD Lightweight ✅✅ ✅ ❌ Code limits ✅ No limit ❌50kb/1mb ✅ No limit Zero-scale ✅ ❌ ✅
- 37.
- 38. GitOps + Functions =OpenFaaS Cloud
- 39.
- 41. Initial Funding +100GBP Move 1GBP Charity Pot Pledged Pot Main Account 90/100 GBP 10/100GBP Personal Account Working with my bank’s API
- 42. https://www.msf.org.uk/ You register withthe App and I’ll pledge
- 43. Pledge via thisURL: https://pledge-app.mini.o6s.io https://bit.ly/2PffyBy
- 44.
- 45. OpenFaaS Cloud ☁ -Managed - Multi-user - Personal dashboard - CI/CD (git push) - Feedback via GitHub/ GitLab
- 46. OpenFaaS Cloud ☁ -Managed - Multi-user - Personal dashboard - CI/CD (git push) - Feedback via GitHub/ GitLab Free Community Cluster*
- 47.
- 48. Summing up Don’t getlocked-in: • Kubernetes & Docker • Existing microservices and functions • OpenFaaS/Cloud with GitHub or GitLab Serverless 2.0
- 49.
- 50.
- 51. Get involved 1. JoinSlack 👌 https://docs.openfaas.com/community 2. Try the self-paced workshop! 💻 https://github.com/openfaas/workshop 3. Pickup a small PR 💻 https://docs.openfaas.com/contributing/get-started/
- 53.
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- 57.
- 58. working and/or We only hirenice people! Cloud native yay! https://form3.tech
- 59.