[WIP] Feature: Radius In-Place Upgrade

[ytimocin]

Description

Please don't review yet

Feature: Radius In-Place Upgrade

Type of change

• This pull request adds or changes features of Radius and has an approved issue (issue link required).
  Fixes: Radius upgrades #8095

Contributor checklist

Please verify that the PR meets the following requirements, where applicable:

• An overview of proposed schema changes is included in a linked GitHub issue.
  • Yes
  • Not applicable
• A design document PR is created in the design-notes repository, if new APIs are being introduced.
  • Yes
  • Not applicable
• The design document has been reviewed and approved by Radius maintainers/approvers.
  • Yes
  • Not applicable
• A PR for the samples repository is created, if existing samples are affected by the changes in this PR.
  • Yes
  • Not applicable
• A PR for the documentation repository is created, if the changes in this PR affect the documentation or any user facing updates are made.
  • Yes
  • Not applicable
• A PR for the recipes repository is created, if existing recipes are affected by the changes in this PR.
  • Yes
  • Not applicable

[github-actions]

Unit Tests

3 624 tests  +1   3 622 ✅ +1   6m 24s ⏱️ -1s
  296 suites +2       2 💤 ±0 
    1 files   ±0       0 ❌ ±0 

Results for commit f010b22. ± Comparison against base commit f8b7080.

♻️ This comment has been updated with latest results.

[codecov]

Codecov Report

Attention: Patch coverage is 9.29487% with 283 lines in your changes missing coverage. Please review.

Project coverage is 59.51%. Comparing base (f8b7080) to head (f010b22).
Report is 43 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/cli/cmd/upgrade/kubernetes/kubernetes.go	0.00%	88 Missing ⚠️
...g/components/database/postgres/postgressnapshot.go	0.00%	88 Missing ⚠️
pkg/cli/helm/cluster.go	0.00%	27 Missing ⚠️
pkg/cli/helm/contourclient.go	0.00%	25 Missing ⚠️
pkg/cli/helm/helmclient.go	0.00%	25 Missing ⚠️
...nents/database/apiserverstore/apiserversnapshot.go	47.82%	20 Missing and 4 partials ⚠️
pkg/cli/cmd/upgrade/upgrade.go	0.00%	6 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8776      +/-   ##
==========================================
- Coverage   59.91%   59.51%   -0.40%     
==========================================
  Files         595      599       +4     
  Lines       40481    40780     +299     
==========================================
+ Hits        24254    24271      +17     
- Misses      14403    14680     +277     
- Partials     1824     1829       +5     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.