[aks-preview] Support updating an existing AAD-Integrated cluster to the new AKS-managed AAD experience

[bingosummer]

---

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• Have you run azdev style <YOUR_EXT> locally? (pip install azdev required)
• Have you run python scripts/ci/test_index.py -q locally?

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• My extension description/summary conforms to the Extension Summary Guidelines.

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The precondition is to put your code inside this repo and upgrade the version in the PR but do not modify src/index.json.

[yonzhan]

aks-preview

[arrownj]

Hi @bingosummer , is this PR related to #1887 ? #1887 is waiting for 2020-06-01 version published. Does this also have that dependency ?

[bingosummer]

Hi @bingosummer , is this PR related to #1887 ? #1887 is waiting for 2020-06-01 version published. Does this also have that dependency ?

This PR doesn't need the 2020-06-01 version. But it also need to wait for this week's release. I'll update the PR then.

[bingosummer]

@arrownj Ready for review.

@weinong @karataliu @zqingqing1 Please help review. Thanks!

[arrownj]

Hi @bingosummer , the code is good to me, please ping me when you think it is ready to merge. And don't forget solve the code conflict.

[bingosummer]

@arrownj It's ready to merge.

[zqingqing1]

lgtm

[palma21]

any blockers to merge this?

[bingosummer]

any blockers to merge this?

No blockers. The AKS RP changes have rolled out.

@arrownj Please help merge the PR.