Ta-Ching ChenandSoam Vasani
5f14b9b0ae
Switch Fission's storage over to the new CustomResourceDefinitions, from the deprecated ThirdPartyResources. This allows us to be compatible with Kubernets 1.8 and onwards. This also adds a CLI tool for dumping state from an old fission version and restoring state into new CRDs. The storage service is unaffected by this change.
107 lines
3.4 KiB
Markdown
107 lines
3.4 KiB
Markdown
# Fission Roadmap
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## Function features ([area-func](https://github.com/fission/fission/labels/area-func))
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- Secrets, configmaps, env vars
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- Volumes
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- Mem requests and limits
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- Function exec time deadline
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- Expose a regular K8s Service for a function
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## Fission API ([area-api](https://github.com/fission/fission/labels/area-api))
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- CRD-based controller
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- API authentication
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- Aggregated API server
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## Development Workflows ([area-dev](https://github.com/fission/fission/labels/area-dev))
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- Function Versioning
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- Versioning for a group of functions
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- Rolling upgrades
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- for one function
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- for multiple functions
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- for functions + other kubernetes deployments
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- Unit testing
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## API Gateway / Ingress features ([area-ingress](https://github.com/fission/fission/labels/area-ingress))
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- Function authn hooks
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- K8s Ingress flag
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- Bundle an ingress controller?
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## Workflows and Function composition ([area-composition](https://github.com/fission/fission/labels/area-composition))
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- Simple Composition - Sync
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- Simple Composition - Async
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- Hooks (pre, post, on-error)
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- Workflows
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- Testing in the presence of function composition
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## Events ([area-events](https://github.com/fission/fission/labels/area-events))
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- NATS
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- Kafka
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- AWS: SNS, SQS
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- Google PubSub
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- RabbitMQ
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- Other event sources
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- Bundle an event queue (NATS streaming, most probably)
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## Operability ([area-ops](https://github.com/fission/fission/labels/area-ops))
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### Fission Install/Upgrade ([area-install](https://github.com/fission/fission/labels/area-install))
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- Helm Installer for Fission
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- Helm installation for fission functions
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- CLI installer/upgrader? ("fission upgrade")
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- Upgrade checker/reminder (like minikube does)
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- CLI auto-upgrader
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### Function observation ([area-observe](https://github.com/fission/fission/labels/area-observe))
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- Function Logging
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- Tracing -- Opentracing
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- Metrics -- Prometheus
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- Function exception tracking
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- Logging function load errors
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- Tracing fission overheads for each function
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## Function Security
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- Function isolation (is authz hook sufficient or do we need something like mutual TLS?)
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- Function service accounts
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## UX, especially for beginners ([area-ux](https://github.com/fission/fission/labels/area-ux))
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- Fission CLI should include a tutorial
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- Fission CLI should have a way to drop you into the UI
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- Eliminate FISSION_URL, just use kube client to find fission url. Also useful to grab credentials.
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## Documentation ([area-doc](https://github.com/fission/fission/labels/area-doc))
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- Installation guide improvements
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- Troubleshooting guide for common problems
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- FAQ
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- Performance overview
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- Render docs nicely to fission.io
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## Web UI (tracked separately in the fission-ui repo)
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## Performance and Scalability ([area-perf](https://github.com/fission/fission/labels/area-perf))
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- Autoscaling
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- Cold-start optimization -- optimistically choose from pool, save about ~20msec
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- Cold-start optimization -- preload funcs in fetcher
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- Cold-start optimization -- preload libraries in envs (v2) -- mem vs. speed tradeoff
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## Function extensibility ([area-ext](https://github.com/fission/fission/labels/area-ext))
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- Env v2: easy addition of dependencies etc.
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- Integration with Service Broker
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## Multi-area stuff
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- Execution strategies: cold-start pool vs create-pod-on-cold-start -- one size doesn't fit all, at least with current tech; abstract over execution strategies according to requirements
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