Support multinamespace informer filtering

[jkhelil]

Changes

Support of specifying a list of namespaces to restrict the informer. You can provide a list of namespaces as an argument to the controller, and it will only watch objects (PipelineRuns and TaskRuns) within these specified namespaces. If no list is provided, the controller will default to watching all namespaces.

Submitter Checklist

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

• [x] Has Docs included if any changes are user facing
• [x] Has Tests included if any functionality added or changed
• [x] Follows the commit message standard
• [x] Meets the Tekton contributor standards (including functionality, content, code)
• [x] Release notes block below has been updated with any user facing changes (API changes, bug fixes, changes requiring upgrade notices or deprecation warnings)
• [ ] Release notes contains the string "action required" if the change requires additional action from users switching to the new release

Release Notes

The Chains controller now supports specifying a list of namespaces to restrict the informer. 
You can provide a list of namespaces as an argument to the controller, and it will only watch objects (PipelineRuns and TaskRuns) within these specified namespaces. 
If no list is provided, the controller will default to watching all namespaces.

[tekton-robot]

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

File	Old Coverage	New Coverage	Delta
pkg/reconciler/filter.go	Do not exist	0.0%

[tekton-robot]

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

File	Old Coverage	New Coverage	Delta
pkg/reconciler/filter.go	Do not exist	2.6%
pkg/reconciler/filter.go	Do not exist	3.8%
pkg/reconciler/pipelinerun/controller.go	86.4%	87.0%	0.6
pkg/reconciler/taskrun/controller.go	88.9%	89.5%	0.6

[tekton-robot]

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

File	Old Coverage	New Coverage	Delta
pkg/reconciler/filter.go	Do not exist	1.3%
pkg/reconciler/filter.go	Do not exist	7.7%
pkg/reconciler/pipelinerun/controller.go	86.4%	87.0%	0.6
pkg/reconciler/taskrun/controller.go	88.9%	89.5%	0.6

[tekton-robot]

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

File	Old Coverage	New Coverage	Delta
pkg/reconciler/filter.go	Do not exist	2.6%
pkg/reconciler/filter.go	Do not exist	3.8%
pkg/reconciler/pipelinerun/controller.go	86.4%	87.0%	0.6
pkg/reconciler/taskrun/controller.go	88.9%	89.5%	0.6

[tekton-robot]

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

File	Old Coverage	New Coverage	Delta
pkg/reconciler/filter.go	Do not exist	100.0%
pkg/reconciler/pipelinerun/controller.go	86.4%	87.0%	0.6
pkg/reconciler/taskrun/controller.go	88.9%	89.5%	0.6

[tekton-robot]

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

File	Old Coverage	New Coverage	Delta
pkg/reconciler/filter.go	Do not exist	100.0%
pkg/reconciler/pipelinerun/controller.go	86.4%	87.0%	0.6
pkg/reconciler/taskrun/controller.go	88.9%	89.5%	0.6

[tekton-robot]

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

File	Old Coverage	New Coverage	Delta
pkg/reconciler/filter.go	Do not exist	100.0%
pkg/reconciler/pipelinerun/controller.go	86.4%	87.0%	0.6
pkg/reconciler/taskrun/controller.go	88.9%	89.5%	0.6

[tekton-robot]

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

File	Old Coverage	New Coverage	Delta
pkg/reconciler/filter.go	Do not exist	100.0%
pkg/reconciler/pipelinerun/controller.go	86.4%	87.0%	0.6
pkg/reconciler/taskrun/controller.go	88.9%	89.5%	0.6

[tekton-robot]

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

File	Old Coverage	New Coverage	Delta
pkg/reconciler/filter.go	Do not exist	100.0%
pkg/reconciler/pipelinerun/controller.go	86.4%	87.0%	0.6
pkg/reconciler/taskrun/controller.go	88.9%	89.5%	0.6

[tekton-robot]

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

File	Old Coverage	New Coverage	Delta
pkg/reconciler/filter.go	Do not exist	100.0%
pkg/reconciler/pipelinerun/controller.go	86.4%	87.0%	0.6
pkg/reconciler/taskrun/controller.go	88.9%	89.5%	0.6

[tekton-robot]

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

File	Old Coverage	New Coverage	Delta
pkg/reconciler/filter.go	Do not exist	100.0%

[tekton-robot]

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

File	Old Coverage	New Coverage	Delta
pkg/reconciler/filter.go	Do not exist	100.0%
pkg/reconciler/pipelinerun/controller.go	86.4%	87.0%	0.6
pkg/reconciler/taskrun/controller.go	88.9%	89.5%	0.6

[tekton-robot]

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

File	Old Coverage	New Coverage	Delta
pkg/reconciler/filter.go	Do not exist	100.0%
pkg/reconciler/pipelinerun/controller.go	86.4%	87.0%	0.6
pkg/reconciler/taskrun/controller.go	88.9%	89.5%	0.6

[PuneetPunamiya]

/test pull-tekton-chains-integration-tests

[PuneetPunamiya]

/test pull-tekton-chains-integration-tests

[tekton-robot]

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

File	Old Coverage	New Coverage	Delta
pkg/reconciler/filter.go	Do not exist	100.0%
pkg/reconciler/pipelinerun/controller.go	82.1%	82.8%	0.6
pkg/reconciler/taskrun/controller.go	83.3%	84.0%	0.7

[tekton-robot]

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

File	Old Coverage	New Coverage	Delta
pkg/reconciler/filter.go	Do not exist	100.0%
pkg/reconciler/pipelinerun/controller.go	82.1%	82.8%	0.6
pkg/reconciler/taskrun/controller.go	83.3%	84.0%	0.7

[tekton-robot]

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

File	Old Coverage	New Coverage	Delta
pkg/reconciler/filter.go	Do not exist	100.0%
pkg/reconciler/pipelinerun/controller.go	82.1%	82.8%	0.6
pkg/reconciler/taskrun/controller.go	83.3%	84.0%	0.7

[lcarva]

/lgtm

[tekton-robot]

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

File	Old Coverage	New Coverage	Delta
pkg/reconciler/filter.go	Do not exist	100.0%
pkg/reconciler/pipelinerun/controller.go	82.1%	82.8%	0.6
pkg/reconciler/taskrun/controller.go	83.3%	84.0%	0.7

[lcarva]

@wlynch, I believe your comments have been addressed. Could you have another look?

[tekton-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: lcarva, wlynch

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