CloudEvents sandbox proposal
Signed-off-by: Doug Davis <dug@us.ibm.com>
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proposals/cloudevents.md
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# CloudEvents
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**Name of project**: CloudEvents
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**Description**:
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Last year the CNCF TOC created the Serverless Working Group to investigate
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the Serverless landscape. The outputs of the WG included:
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- a [whitepaper](https://github.com/cncf/wg-serverless#whitepaper) that:
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- defines Serverless and its terminology
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- describes common use cases for the technology
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- compares it with other Cloud Native technologies and \*aaS environments
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- describes the common architecture of Serverless platforms
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- a [landscape document](https://docs.google.com/spreadsheets/d/10rSQ8rMhYDgf_ib3n6kfzwEuoE88qr0amUPRxKbwVCk/edit#gid=0)
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that lists well-known open-source and proprietary Serverless platforms
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and tools
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- a set of recommended next steps for the WG, as part of the whitepaper:
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- encourage more Serverless technology vendors and open source developers
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to join the CNCF
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- foster an open ecosystem by establishing interoperable APIs, in particular
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around: Events, Deployments and Workflows
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- provide additional education as needed
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One of the recommendations, interoperability around Events, was agreed to
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by the TOC and the WG began to develop a new specification for how
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Events that are transferred between an event producer and an event consumer
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should be formalized. The purpose of this would be to better enable
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interoperability between these components such that basic processing of
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the events (such as routing) can be achieved without having to require
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knowledge of the event's structure in advance, or without understanding
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the application specific data of the event.
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The work on this specification is currently being done within the
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CNCF's Serverless Working Group, but with the release of our first
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milestone (v0.1), it would make sense for this work to be more
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formalized as a new sandbox project under the CNCF.
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The goals/roadmap of the project include:
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- moving the specification to v1.0. A baseline format for an Event
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to enable broad adoption within the Cloud community, and in particular
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for Serverless/FaaS implementations
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- define protocol mappings for popular transports, such as HTTP
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- define serialization mappings for popular formats, such as JSON
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**Statement on alignment with CNCF mission**:
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Being born out of the CNCF's Serverless Working Group, the CloudEvents
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project (and its members) share the CNCF's goals of promoting Cloud Native
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technologies, and offering choice to our consumers through an open
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interoperability specification, as shown by the significant participation
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from key industry companies.
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We believe that the CNCF provides the proper home for this due to its
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commitment to the promotion and development of open, vendor-neutral projects.
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Additionally, the wide breadth of the CNCF members will provide the feedback
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necessary to ensure the CloudEvents specification isn't too limited in its
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scope and appeals to as many constituents of the cloud native community
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as possible.
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**Sponsor / Advisor from TOC**:
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- Ken Owens <ken.owens @ mastercard.com>
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- Brian Grant <briangrant @ google.com>
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**Preferred maturity level**: Sandbox
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**License**: Apache License v2.0
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**Source control repositories**:
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CloudEvents org: https://github.com/cloudevents
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CloudEvents repo for the specification: https://github.com/cloudevents/spec
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**External dependencie**: None
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**Initial Maintainers**:
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The CloudEvents group does not have "maintainers" that approve
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Pull Requests (PRs) like traditional GitHub projects. Rather, the group
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discusses/reviews PRs in the PRs themselves and then when consensus is reached
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they are approved during our weekly calls. If concensus can not be reached
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then a formal vote is taken.
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Voting rights: each member company designates a "primary" and "alternate"
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member whose attendance at the weekly calls is tracked. Any member company
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that attends three out of the last four meetings (current meeting not included)
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has voting rights.
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We also have this
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[GOVERNANCE](https://github.com/cloudevents/spec/blob/master/GOVERNANCE.md)
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doc which explains the processes we follow.
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**Infrastructure Requests**: None
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**Communication Channels**:
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Mailing list: CloudEvents uses the CNCF Serverless WG mailing list:
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https://groups.google.com/forum/#!forum/cncf-wg-serverless but we may
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move to our own dedicated mailing list when/if the Serverless WG starts
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a second project.
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Slack: There is a #cloudevents Slack channel under CNCF's Slack workspace.
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We have weekly zoom calls (9am PT on Thursdays):
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https://zoom.us/my/cncfserverlesswg
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**Issue tracker**:
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Issues are tracked with GitHub Issues:https://github.com/cloudevents/spec/issues
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Changes are tracked with GitHub PRs: https://github.com/cloudevents/spec/pulls
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**Website**:
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CloudEvents has its own website at: https://cloudevents.io
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**Release Methodology and Mechanics**
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CloudEvents has a set of milestones defined in its
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[roadmap](https://github.com/cloudevents/spec/blob/master/roadmap.md)
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document. Beyond what is defined there, the group will decide when
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significate progress has been made to warrant a new release.
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**Social Media Accounts**:
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Twitter: @CloudEventsDemo
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**Contributor statistics**:
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Attendance is tracked [here](https://docs.google.com/spreadsheets/d/1bw5s9sC2ggYyAiGJHEk7xm-q2KG6jyrfBy69ifkdmt0/edit?pli=1#gid=0).
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As can been seen in that document, CloudEvents weekly calls have regular
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attendance from most major cloud vendors, averaging nearly 30 people
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each week.
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Without implying endorsement, the following companies have attended at least
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one meeting:
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Accenture, Alibaba, Amazon, Bitnami/Kubeless, Cisco, Clay, CNCF,
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Collinson Group, Cuemby, Google, Hauwei, Honeycomb.io, Huawei, IBM, iguazio,
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infraCloud, Intel, JP Morgan, JS Foundation, Mastercard, Microsoft, NAIC,
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Nordstrom, OpenFaaS, Oracle, Particular Software, Pivotal, Progress, Red Hat,
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RX-M, SAP, Serverless, Singlepoint, Solar Winds, solo.io, Splunk, VMWare
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And the following have voting rights (today), which means they regularly
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attend the weekly calls:
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Alibaba, CNCF, Google, Huawei, IBM, iguazio, Intel, JS Foundation, Microsoft,
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NAIC, Nordstrom, Oracle, Red Hat, SAP, Serverless, VMWare
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In terms of adoption, the following companies participated in the KubeCon
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EU CloudEvents demo:
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Alibaba, Google, Hauwei, IBM, iguazio, Microsoft, Oracle, Red Hat, SAP,
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Serverless, VMWare
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Azure recently announced official support for CloudEvents in their
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[Event Grid](https://docs.microsoft.com/en-us/azure/event-grid/cloudevents-schema),
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and Serverless announced support for it in their
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[Event Gateway](https://serverless.com/learn/event-gateway/).
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