Modify spec for multi cluster deployment

[ffjlabo]

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #

Does this PR introduce a user-facing change?:

• How are users affected by this change:
• Is this breaking change:
• How to migrate (if breaking change):

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 22.82%. Comparing base (5d3e17d) to head (35ff8ed).
Report is 4 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #5219   +/-   ##
=======================================
  Coverage   22.82%   22.82%           
=======================================
  Files         420      419    -1     
  Lines       45302    45297    -5     
=======================================
+ Hits        10340    10341    +1     
+ Misses      34166    34161    -5     
+ Partials      796      795    -1     

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