proposal of yurtadm join refactoring

[YTGhost]

Signed-off-by: HIHIA [email protected]

What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespace from that line:
/kind documentation
/kind design

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #889

Special notes for your reviewer:

Does this PR introduce a user-facing change?

other Note

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In response to this:

Signed-off-by: HIHIA [email protected]

What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespace from that line:
/kind documentation
/kind design

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #889

Special notes for your reviewer:

Does this PR introduce a user-facing change?

other Note

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[YTGhost]

/assign @rambohe-ch

[codecov]

Codecov Report

Merging #1048 (a415082) into master (23f45da) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1048   +/-   ##
=======================================
  Coverage   49.47%   49.47%           
=======================================
  Files          96       96           
  Lines       13054    13054           
=======================================
  Hits         6458     6458           
  Misses       6060     6060           
  Partials      536      536           

Flag	Coverage Δ
unittests	49.47% <ø> (ø)

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[rambohe-ch]

/lgtm
/approve

[openyurt-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: rambohe-ch, YTGhost

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