Add CLI tool to build Operator Bundle image

[dinhxuanvu]

1. Add top level CLI command operator-cli
2. Add bundle command to generate annotations.yaml and Dockerfile
3. Add bundle command to build Bundle image

• The build command will generate annotations.yaml and Dockerfile
  as well

Signed-off-by: Vu Dinh vdinh@redhat.com

Description of the change:

Motivation for the change:

Reviewer Checklist

• Implementation matches the proposed design, or proposal is updated to match implementation
• Sufficient unit test coverage
• Sufficient end-to-end test coverage
• Docs updated or added to /docs
• Commit messages sensible and descriptive

[openshift-ci-robot]

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[dinhxuanvu]

/retest

[awgreene]

A few nits but it looks good to me.

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@dinhxuanvu: The following test failed, say /retest to rerun them all:

Test name	Commit	Details	Rerun command
ci/prow/e2e-aws-olm	1ad51f4	link	/test e2e-aws-olm

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[ecordell]

This is a great start @dinhxuanvu !

As discussed offline, we should move this into opm for now.

This PR scaffolds out Dockerfiles for building, which I think is useful.

But, I also think we can make this simpler for users. I think there should be a set of commands that use containerd or other oci libraries to build the image manifest directly.

Something like

opm bundle push --directory /test/0.0.1/ --tag quay.io/coreos/test-operator.v0.0.1:latest

that would build+push. The nice thing is that there is no dependency on docker or buildah for this. It's easy to build these images without tools like that because the images are well-defined and have no steps that require "running" and modifying the working layer and committing changes.

(this PR looks good, but I'm holding off lgtm until we finalize the enhancement - sorry!)

[dinhxuanvu]

This PR is moved and replaced by another PR in operator-registry. Closed.