[Alpha] External Istiod - APPROVED

[linsun]

Alpha Feature Requirements

This page lists the requirements for promoting a feature to alpha. Please check off and document the steps as they are completed.

Feature Name:
External Istiod (formerly called central istiod)

RFC:
https://docs.google.com/document/d/1r58al52otp1uvB7YFHh8ifA_78hYeyd0hNLq4qPDSUM/edit

Design doc:
https://docs.google.com/document/d/1EymnzMqa7hdmKn8sEoaf1elajyp4gXEDSUavxzXB3jw/edit#

Relevant Documentation:
https://preliminary.istio.io/latest/docs/setup/additional-setup/external-controlplane/

Requirements:

Design

• RFC has been approved describing the intention of the feature as well as the user stories behind the feature.

Config

• Explicit user action is required to enable this feature (e.g. a config field, config resource, or installation action).

Link to instructions for enabling

Docs

• Reference docs are published to preliminary.istio.io or the Istio wiki (https://preliminary.istio.io/latest/docs/setup/additional-setup/external-controlplane/)
• Basic feature docs are published on preliminary.istio.io describing what the feature does, how to use it, and any caveats.
• [] Release notes entries added as appropriate - WIP
• [] Upgrade notes entries added as appropriate - doesn't apply

Tests

• Automated integration tests cover core use cases with the feature enabled.
• When disabled, the feature does not affect system stability or performance.

API

• Initial API review. (No API added in 1.8)

Approvals

• The appropriate work group(s) have reviewed and approved promotion of the feature.
• The TOC has reviewed and approved promotion of the feature as part of the
  roadmap for a release.

[linsun]

@sdake @ostromart @costinm could I get approval on this?

The docs section is lacking, but being actively worked on:

istio/istio.io#8403
Preview: https://deploy-preview-8403--preliminary-istio.netlify.app/latest/docs/setup/additional-setup/external-istiod/

Release notes/upgrade notes entry was added as experimental in 1.7 and will be added as an alpha feature as soon as the promotion to alpha is approved.

[ostromart]

LGTM

[sdake]

LGTM.

[linsun]

Thanks @ostromart @sdake. Doc is also published, I've updated the checklist earlier with WG approval.

[linsun]

@istio/technical-oversight-committee seeking TOC approval, PTAL

[nrjpoddar]

@linsun can you add the prelim doc links so I can take a look?

[linsun]

@nrjpoddar here you go - https://preliminary.istio.io/latest/docs/setup/additional-setup/external-controlplane/

[nrjpoddar]

This looks good, approved from my end!

[sdake]

@linsun would you be kind enough to submit a feature status page update as @bianpengyuan has done here for this feature promotion?

istio/istio.io#8453 (review)

Cheers,
-steve

[linsun]

@smawson @dcberg @louiscryan @duderino another friendly ping - seeking TOC approval, PTAL

[smawson]

Approved from me! A couple minor nits:

• RFC needs to be marked as approved and missing a few official signoffs.
• istio.io docs should indicate this is in alpha

Otherwise looks good, this is a great feature.

[dcberg]

+1

[louiscryan]

+1

[linsun]

Thank you all, much appreciated, I'll mark this as approved!!