Support generic cr in mesh

[jiangpengcheng]

(If this PR fixes a github issue, please add Fixes #<xyz>.)

Fixes #753

(or if this PR is one task of a github issue, please add Master Issue: #<xyz> to link to the master issue.)

Master Issue: #

Motivation

Explain here the context, and why you're making that change. What is the problem you're trying to solve.

Modifications

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Verifying this change

• [x] Make sure that the change passes the CI checks.

(Please pick either of the following options)

This change is a trivial rework / code cleanup without any test coverage.

(or)

This change is already covered by existing tests, such as (please describe tests).

(or)

This change added tests and can be verified as follows:

(example:)

• Added integration tests for end-to-end deployment with large payloads (10MB)
• Extended integration test for recovery after broker failure

Documentation

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• [ ] no-need-doc

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• [ ] doc

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[jiangpengcheng]

Just one question on this. Also, is there a ticket number associated with this change?

not yet, I will create one to track