Expose Resolvers Controller performance tuning configurations

[khrm]

This changes the resolvers controllers to start with a config. We expose ThreadsPerController, QPS and Burst for performance tuning as we do for pipelines controller.

Changes

Submitter Checklist

As the author of this PR, please check off the items in this checklist:

• Has Docs if any changes are user facing, including updates to minimum requirements e.g. Kubernetes version bumps
• Has Tests included if any functionality added or changed
• pre-commit Passed
• Follows the commit message standard
• Meets the Tekton contributor standards (including functionality, content, code)
• Has a kind label. You can add one by adding a comment on this PR that contains /kind <type>. Valid types are bug, cleanup, design, documentation, feature, flake, misc, question, tep
• Release notes block below has been updated with any user facing changes (API changes, bug fixes, changes requiring upgrade notices or deprecation warnings). See some examples of good release notes.
• Release notes contains the string "action required" if the change requires additional action from users switching to the new release

Release Notes

We can specify custom performance tuning values in the watcher's deployment - controller container via threads-per-controller, kube-api-qps and kube-api-burst flags.

[khrm]

/kind feature

[khrm]

/assign @vdemeester

[tekton-robot]

The following is the coverage report on the affected files.
Say /test pull-tekton-pipeline-go-coverage to re-run this coverage report

File	Old Coverage	New Coverage	Delta
cmd/resolvers/main.go	55.6%	29.4%	-26.1

[tekton-robot]

The following is the coverage report on the affected files.
Say /test pull-tekton-pipeline-go-coverage-df to re-run this coverage report

File	Old Coverage	New Coverage	Delta
cmd/resolvers/main.go	55.6%	29.4%	-26.1

[vdemeester]

/approve
/cc @afrittoli

we probably want to cherry pick this one 🙏🏼

[tekton-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: vdemeester

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[dibyom]

/lgtm

[vdemeester]

/cherry-pick release-v0.65.x

[vdemeester]

/cherry-pick release-v0.62.x

[vdemeester]

/cherry-pick release-v0.59.x

[vdemeester]

/cherry-pick release-v0.56.x

[tekton-robot]

@vdemeester: new pull request created: #8364

In response to this:

/cherry-pick release-v0.65.x

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 kubernetes/test-infra repository.

[tekton-robot]

@vdemeester: new pull request created: #8365

In response to this:

/cherry-pick release-v0.62.x

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 kubernetes/test-infra repository.

[tekton-robot]

@vdemeester: #8344 failed to apply on top of branch "release-v0.59.x":

Applying: Expose Resolvers Controller performance tuning configurations
Using index info to reconstruct a base tree...
M	cmd/resolvers/main.go
Falling back to patching base and 3-way merge...
Auto-merging cmd/resolvers/main.go
CONFLICT (content): Merge conflict in cmd/resolvers/main.go
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Patch failed at 0001 Expose Resolvers Controller performance tuning configurations
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".

In response to this:

/cherry-pick release-v0.59.x

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 kubernetes/test-infra repository.

[tekton-robot]

@vdemeester: #8344 failed to apply on top of branch "release-v0.56.x":

Applying: Expose Resolvers Controller performance tuning configurations
Using index info to reconstruct a base tree...
M	cmd/resolvers/main.go
Falling back to patching base and 3-way merge...
Auto-merging cmd/resolvers/main.go
CONFLICT (content): Merge conflict in cmd/resolvers/main.go
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Patch failed at 0001 Expose Resolvers Controller performance tuning configurations
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".

In response to this:

/cherry-pick release-v0.56.x

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 kubernetes/test-infra repository.