display disaggregated mode

[hehechen]

What problem does this PR solve?

What is changed and how it works?

#2135
When the label of TiFlash contains engine-role:write, it means that This TiFlash is a tiflash_write node. So tiflash_write should be displayed in tiup cluster display. But we don't support -R tiflash_write or tiflash_compute now, so just display tiflash (write) or tiflash (compute).

Check List

Tests

• Unit test

• Integration test

• Manual test (add detailed scripts or steps below)
  

• No code

Code changes

• Has exported function/method change
• Has exported variable/fields change
• Has interface methods change
• Has persistent data change

Side effects

• Possible performance regression
• Increased code complexity
• Breaking backward compatibility

Related changes

• Need to cherry-pick to the release branch
• Need to update the documentation

Release notes:

NONE

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• AstroProfundis

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[codecov-commenter]

Codecov Report

Patch coverage has no change and project coverage change: -0.06 ⚠️

Comparison is base (c3c127f) 56.39% compared to head (afab5b8) 56.34%.

❗ Current head afab5b8 differs from pull request most recent head abbb58d. Consider uploading reports for the commit abbb58d to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2133      +/-   ##
==========================================
- Coverage   56.39%   56.34%   -0.06%     
==========================================
  Files         313      313              
  Lines       33257    33290      +33     
==========================================
  Hits        18755    18755              
- Misses      12275    12308      +33     
  Partials     2227     2227              

Flag	Coverage Δ
tiup	15.90% <0.00%> (-0.03%)	⬇️
unittest	22.71% <0.00%> (-0.03%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
pkg/cluster/manager/display.go	49.42% <0.00%> (-0.50%)	⬇️
pkg/cluster/spec/tiflash.go	67.55% <0.00%> (-2.96%)	⬇️

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[AstroProfundis]

We need to test if -R/--role argument is working with the new patch.

[AstroProfundis]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: abbb58d