Change Global Catalog Namespace for OpenShift

[alecmerdler]

Description

Changes the -namespace and -global-namespace flags for catalog-operator and packageserver respectively. This allows creating Subscriptions directly to CatalogSources in the openshift-marketplace namespace without the indirection of creating a CatalogSourceConfig.

Addresses https://jira.coreos.com/browse/OLM-1080
Unblocks https://jira.coreos.com/browse/MKTPLC-367

[alecmerdler]

@njhale Do you foresee any issues with this change?

[njhale]

@njhale Do you foresee any issues with this change?

@alecmerdler I may be wrong, but if marketplace is still using CatalogSources for storage in that namespace, couldn't they be resolved over for any Subscription?

[ecordell]

I thought what we wanted to do was have a new global namespace, that OLM and marketplace would both read/write from. I think we may have issues with the caching the marketplace does if we just point OLM to the marketplace namespace.

[ecordell]

Just discussed with marketplace and it sounds like this will be fine!

[ecordell]

/lgtm

[tkashem]

lgtm

[jpeeler]

/lgtm

[openshift-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

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