feat: if service can not found fqdn, replace fqdn with hostname

[gaius-qi]

Signed-off-by: Gaius [email protected]

Description

• If service can not found fqdn, replace fqdn with hostname.

Related Issue

Motivation and Context

Screenshots (if appropriate)

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation Update (if none of the other choices apply)

Checklist

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.

[KubeStacker]

LGTM

[jim3ma]

LGTM

[codecov-commenter]

Codecov Report

Merging #1435 (5c724d2) into main (e45cdf5) will decrease coverage by 0.06%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main    #1435      +/-   ##
==========================================
- Coverage   44.48%   44.41%   -0.07%     
==========================================
  Files         113      113              
  Lines       10375    10379       +4     
==========================================
- Hits         4615     4610       -5     
- Misses       5297     5304       +7     
- Partials      463      465       +2     

Flag	Coverage Δ
Object-compatibility-e2etests	?
e2etests	?
unittests	44.41% <0.00%> (-0.07%)	⬇️

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

Impacted Files	Coverage Δ
pkg/net/fqdn/fqdn.go	33.33% <0.00%> (-26.67%)	⬇️
...ent/daemon/peer/peertask_piecetask_synchronizer.go	45.45% <0.00%> (-2.17%)	⬇️