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How to Implement FaaS in OpenStack for Public Cloud
Lingxian Kong OpenStack Vancouver Summit
Agenda
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❖ Qinling - Why another FaaS project? ❖ Design&Implementation challenges ❖ Demo
How to Implement FaaS in Lingxian Kong OpenStack for Public Cloud - - PowerPoint PPT Presentation
How to Implement FaaS in Lingxian Kong OpenStack for Public Cloud - - PowerPoint PPT Presentation
How to Implement FaaS in Lingxian Kong OpenStack for Public Cloud OpenStack Vancouver Summit 1 Agenda Qinling - Why another FaaS project? Design&Implementation challenges Demo 2 Why FaaS 3 Projects/Products/Platforms 4
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Why FaaS
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Projects/Products/Platforms
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Function execution flow in Qinling
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qinling-api qinling-engine
Keystone Database Orchestrator(k8s, swarm, etc.) worker1 worker2 workerN
runtime sidecar
...
runtime sidecar runtime sidecar
download function package authentication authorization initialize execution status update execution status execute function
RUNNING SUCCESS FAIL
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❖ VM? Container? ❖ Autoscaling ❖ Security ❖ OpenStack matters ❖ Orchestration tooling ❖ ......
Qinling - FaaS in OpenStack
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❖ Container orchestrator, Kubernetes ❖ Kubernetes cluster on top of VMs(Magnum)
Where the function is running
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❖ Request rate/container load/
container IO...
❖ Limit the concurrency ❖ Re-use the orchestrator autoscale
ability
❖ Scale up/scale down API
How the function execution scales
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❖ Be cautious to support image type functions ❖ Container has its own weakness(Enforce Least Privileges) ❖ Kubernetes RBAC/Resource Quota/Network Policy/Pod Security ❖ Container isolation with virtualization ❖ Will Kata containers/gVisor save the world?
Function can not be trusted
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❖ Monitoring CPU & memory usage ❖ Function execution counts ❖ Code level performance ❖ 3rd party APMs: X-Ray for AWS Lambda, Retrace for Azure Functions, IBM
Cloud shell for IBM Cloud Functions...
❖ Running and debugging function locally
Function execution monitoring/debugging
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❖ Mistral ❖ Aodh ❖ Swift ❖ Magnum
Qinling is part of OpenStack
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❖ Function execution autoscaling ❖ Function versioning
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❖ Logs/Billing ❖ Event standardization ❖ Stateful functions ❖ Function orchestration ❖ ...
Are we done yet?
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❖ IRC: #openstack-qinling (@lxkong) ❖ StoryBoard: https://storyboard.openstack.org/#!/project/927 ❖ Doc: https://docs.openstack.org/qinling/latest
Get involved in Qinling
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Qinling - Project Update 10:15am-10:35am Level Two - Room 212 Qinling - Project Onboarding 11:00am-11:40am Level Two - Room 223
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