feat: maintain code adjust and default refactor

[daheige]

Please provide issue(s) of this PR:
refactor ##423

[codecov]

Codecov Report

Merging #424 (dc3546e) into main (0bb9d54) will increase coverage by 0.00%.
The diff coverage is n/a.

❗ Current head dc3546e differs from pull request most recent head b626163. Consider uploading reports for the commit b626163 to get more accurate results

@@           Coverage Diff           @@
##             main     #424   +/-   ##
=======================================
  Coverage   21.44%   21.45%           
=======================================
  Files         182      182           
  Lines       24933    24933           
=======================================
+ Hits         5347     5349    +2     
+ Misses      18774    18772    -2     
  Partials      812      812           

Impacted Files	Coverage Δ
store/boltdb/instance.go	53.80% <0.00%> (+0.47%)	⬆️

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[daheige]

From the use of the existing code, the calling place basically initializes the operation, and there is no case of multiple coroutines. If data competition should be considered here, a good design is to add an initialization field to the structure, rather than a global variable. The global variable design itself is not a good design.

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------------------ Original ------------------ From: andrew shan ***@***.***> Date: Tue,Jun 14,2022 3:07 PM To: polarismesh/polaris ***@***.***> Cc: heige ***@***.***>, Author ***@***.***> Subject: Re: [polarismesh/polaris] feat: maintain code adjust and default refactor (PR #424) @andrewshan commented on this pull request. In maintain/default.go: > ) // Initialize 初始化 func Initialize(ctx context.Context, namingService service.DiscoverServer, healthCheckServer *healthcheck.Server) error { -var err error -once.Do(func() { -err = initialize(ctx, namingService, healthCheckServer) -}) +if finishInit { 这个once还是要保留吧，防止多协程的竞争出现重复的初始化 — Reply to this email directly, view it on GitHub, or unsubscribe. You are receiving this because you authored the thread.Message ID: ***@***.***>