Ability to add Pod securityContext for controller-manager and dashboard

[alekczapski]

Signed-off-by: Aleksander Czapski alekczapski@gmail.com

What problem does this PR solve?

This PR allows for configuring Pod securityContext for controller-manager and dashboard in Helm template (closes #3598
)

What's changed and how it works?

A new controller.securityContext and dashboard.securityContext configuration option in values.yaml is used for controler-manager and dashboard securityContext field.
For more details refer to Kubernetes documentation.

Related changes

• This change also requires further updates to the website (e.g. docs)
• This change also requires further updates to the UI interface
• Need to cheery-pick to release branches
  • release-2.3
  • release-2.2

Checklist

CHANGELOG

• I have updated the CHANGELOG.md
• I have labeled this PR with "no-need-update-changelog"

Tests

• Unit test
• E2E test
• No code
• Manual test (add steps below)

Side effects

• Breaking backward compatibility

DCO

If you find the DCO check fails, please run commands like below (Depends on the actual situations. For example, if the failed commit isn't the most recent) to fix it:

git commit --amend --signoff
git push --force

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• STRRL

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[ti-chi-bot]

Welcome @alekczapski!

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[STRRL]

Hi @alekczapski, thanks for your contribution!!!

There are several files that need updates. You could execute make check on your local machine, then commit the changes. :)

[alekczapski]

Hi @STRRL
the missing file has been updated :)

[STRRL]

LGTM!

[STRRL]

/merge

[ti-chi-bot]

@STRRL: /merge in this pull request requires 2 approval(s).

In response to this:

/merge

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[STRRL]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 03452ff

[ti-chi-bot]

@alekczapski: Your PR was out of date, I have automatically updated it for you.

At the same time I will also trigger all tests for you:

/run-all-tests

If the CI test fails, you just re-trigger the test that failed and the bot will merge the PR for you after the CI passes.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the ti-community-infra/tichi repository.