feat:add check port before start sqlness test

[Gump9]

I hereby agree to the terms of the GreptimeDB CLA

What's changed and what's your intention?

add check port before start sqlness test

Checklist

• I have written the necessary rustdoc comments.
• I have added the necessary unit tests and integration tests.

Refer to a related PR or issue link (optional)

#1602

[v0y4g3r]

Thanks! Please fix the format issue by running cargo fmt --all and I'm ok to approve it.

[codecov]

Codecov Report

Merging #1895 (89ff9b7) into develop (783a794) will decrease coverage by 0.57%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop    #1895      +/-   ##
===========================================
- Coverage    86.47%   85.91%   -0.57%     
===========================================
  Files          589      614      +25     
  Lines        95647    99346    +3699     
===========================================
+ Hits         82714    85351    +2637     
- Misses       12933    13995    +1062     

[v0y4g3r]

LGTM

[Gump9]

@waynexia Hi,I have removed the redundant check_port,but there are still somethings confused me,As we did in the second check_port,we use stop_server,i understand it as killing zombie process(although this check_port will never run),and my doubt is that if the spawn() return error,will it cause zombie process?if it is,should we handle the zombie process?and how to?😥

[waynexia]

For the port unavailable case, our program will terminate by itself. We only need to check the result of Command to make sure the process is running rather than being terminated. For other cases we need to kill it by stop_server.

[Gump9]

For the port unavailable case, our program will terminate by itself. We only need to check the result of Command to make sure the process is running rather than being terminated. For other cases we need to kill it by stop_server.

thx!what can I do for this feat next?Is it done?😳

[waynexia]

test failed, can you fix it?

[Gump9]

test failed, can you fix it?

i will