Implement krshaped for sources types

[whaught]

Issue #3221

Proposed Changes

• implement krshaped for sources types

Release Note

Docs

[lberk]

/assign

[knative-metrics-robot]

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

File	Old Coverage	New Coverage	Delta
pkg/apis/sources/v1alpha2/apiserver_lifecycle.go	82.4%	83.3%	1.0
pkg/apis/sources/v1alpha2/apiserver_types.go	Do not exist	100.0%
pkg/apis/sources/v1alpha2/container_lifecycle.go	83.3%	84.2%	0.9
pkg/apis/sources/v1alpha2/ping_lifecycle.go	85.7%	86.4%	0.6
pkg/apis/sources/v1alpha2/ping_types.go	Do not exist	0.0%
pkg/apis/sources/v1alpha2/sinkbinding_lifecycle.go	97.8%	97.8%	0.0
pkg/apis/sources/v1alpha2/sinkbinding_types.go	Do not exist	100.0%

[knative-prow-robot]

@whaught: The following test failed, say /retest to rerun all failed tests:

Test name	Commit	Details	Rerun command
pull-knative-eventing-go-coverage	86266df	link	/test pull-knative-eventing-go-coverage

Full PR test history. Your PR dashboard.

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. I understand the commands that are listed here.

[lberk]

/lgtm
(I can follow up with a ping_types_test shortly)

[whaught]

/assign @Harwayne

[lionelvillard]

/lgtm
/approve

[knative-prow-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: lionelvillard, whaught

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [lionelvillard]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment