"On-premises" FaaS on Kubernetes
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Transcript of "On-premises" FaaS on Kubernetes
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clda.co/faas-‐kubernetes2/23/2017
"On-‐premises" FaaS on Kubernetes
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About Me
@alex_casalboni
clda.co/faas-‐kubernetes
Bachelor in Computer Science
Master in Sound & Music Engineering
SoBware Engineer & Web Developer
Cloud Evangelist @ Cloud Academy
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Agenda
clda.co/faas-‐kubernetes
What does FaaS mean?
FaaS in the Open-‐source World
FaaS frameworks for Kubernetes
Pros & Cons of “On-‐premises” FaaS
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Func;on as a Service
clda.co/faas-‐kubernetes
h"ps://en.wikipedia.org/wiki/Func5on_as_a_Service
Core component of Serverless
No infrastructure management
Microservices approach
FuncOon as the unit of delivery
MulO-‐language support (BYOC)
Transparent scaling (PAYG)
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How do you FaaS?
clda.co/faas-‐kubernetes
Independent FuncOons
Versioning & Staging
Cross-‐team CollaboraOon
Triggers/Events
Local unit tesOng
IntegraOon tests
Automated Workflow CI/CD
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Open-‐source FaaS
clda.co/faas-‐kubernetes
openwhisk.org open.iron.iogithub.com/bfirsh/funker
Apache OpenWhisk Funker IronFunctions
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Open-‐source FaaS -‐ OpenWhisk
clda.co/faas-‐kubernetes
openwhisk.org
Apache OpenWhisk
github.com/openwhisk/openwhisk/issues/1402
IniOally developed by IBM
FaaS component of IBM Bluemix
Doesn’t run on Kubernetes yet (open issue)
cloudacademy.com/blog/ibm-bluemix
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github.com/bfirsh/funker
Open-‐source FaaS -‐ Funker
clda.co/faas-‐kubernetes
FunkerDeveloped by @bfirsh
Based on Docker Swarm
Support for Node, Python and Go
cloudacademy.com/blog/docker
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Open-‐source FaaS -‐ IronFunc;ons
clda.co/faas-‐kubernetes
git.io/ironfunctions-kubernetes
FaaS component of Iron.io
Runs on Docker
Runs on Kubernetesopen.iron.io
IronFunctions
git.io/ironfunctions-docker
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FaaS on Kubernetes
clda.co/faas-‐kubernetes
Kubeless by Skippbox
FunkOon by Fabric8
Fission by Pla_orm9
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Kubeless
clda.co/faas-‐kubernetes
“Only” a POC (wriaen in Go)
Both HTTP and PubSub
Based on Zookeeper and Kada+
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Funk;on
clda.co/faas-‐kubernetes
@funk;onio
funktion.fabric8.io
Backed by Red Hat (wriaen in Go)
Integrated with fabric8’s Developer Pla_orm
Only Python is supported
Based on connectors (200+)
camel.apache.org/components
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Fission
clda.co/faas-‐kubernetes
@fissionio
fission.io
Extensible and Fast by design (wriaen in Go)
Reduced cold starts (warm pool)
Only HTTP triggers for now, but…
Only Node and Python for now, but…
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Pros of “On-‐premises” FaaS
clda.co/faas-‐kubernetes
Kubernetes abstracOon for devs
Open-‐source soluOon
Fewer non-‐funcOonal limitaOons
More control over infrastructure
Might be cheaper overall
Might be faster (dedicated cluster)
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Cons of “On-‐premises” FaaS
clda.co/faas-‐kubernetes
Many missing features
Versioning, staging, env. vars, Omeouts
TesOng, monitoring, logging
Responsibility & Ownership
Provisioning & configuraOon
UpOme & monitoringPermissions & auth, orchestraOon
More naOve triggers (storage, db, streams) OperaOonal complexity
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Addi;onal Resources
clda.co/faas-‐kubernetes
cloudacademy.com/webinars/kubernetes-38
Webinar: Hands on Kubernetes (Part 1)
cloudacademy.com/webinars/kubernetes-41
Webinar: Ecosystem & ProducOon OperaOons (Kubernetes Part 2)
cloudacademy.com/webinars/docker-31
Webinar: Docker -‐ From Dev to ProducOon
cloudacademy.com/webinars/docker-34
Webinar: Docker -‐ ProducOon & Beyond
by Adam Hawkins (@adman65)