Use updated config to specify PubSub channel for Brokers

[zargarpur]

Fixes #606

Proposed Changes

• Add ConfigMap to default to PubSub Channels for Brokers
• Update doc instructions to patch in ConfigMap reference

Release Note

Knative has updated the way Brokers determine which default Channel to use. Adding a ConfigMap that includes PubSub as the default. 

action required Follow updated instructions to patch Knative's ConfigMap to point use this configuration.

[knative-prow-robot]

Welcome @zargarpur! It looks like this is your first PR to google/knative-gcp 🎉

[knative-prow-robot]

Hi @zargarpur. Thanks for your PR.

I'm waiting for a google member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

I understand the commands that are listed here.

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.

[zargarpur]

/assign @nachocano

[nachocano]

/ok-to-test

…

On Thu, Mar 5, 2020 at 1:42 PM Al Zargarpur ***@***.***> wrote: ***@***.**** commented on this pull request. ------------------------------ In config/default-broker-channel.yaml <#608 (comment)>: > + name: config-br-default-channel + namespace: cloud-run-events I named this the same as in knative/eventing "config-br-default-channel", but within the cloud-run-events namespace https://github.com/knative/eventing/blob/master/config/core/configmaps/default-broker.yaml — You are receiving this because you were assigned. Reply to this email directly, view it on GitHub <#608?email_source=notifications&email_token=ABD65DH6W6WDSW7DXHJUDDLRGAMF7A5CNFSM4LCSYVH2YY3PNVWWK3TUL52HS4DFWFIHK3DMKJSXC5LFON2FEZLWNFSXPKTDN5WW2ZLOORPWSZGOCYGMPJI#pullrequestreview-369936293>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/ABD65DBDYXVPKLNCBNBHURLRGAMF7ANCNFSM4LCSYVHQ> .

[nachocano]

/lgtm
/approve

[knative-prow-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: nachocano, zargarpur

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 [nachocano]

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

[nachocano]

Thanks for the quick fix @zargarpur!!!