add timeout for curl to prevent from hanging

[sunyuan3]

Signed-off-by: Yuan Sun [email protected]

Ⅰ. Describe what this PR did

In centos7.2, "curl localhost:9999" hangs. This PR is to prevent from hanging.

Ⅱ. Does this pull request fix one issue?

Yes

Ⅲ. Why don't you add test cases (unit test/integration test)?

This PR fixed the test case issue.

Ⅳ. Describe how to verify it

add timeout command

Ⅴ. Special notes for reviews

NA

[codecov-io]

Codecov Report

Merging #2169 into master will decrease coverage by 0.04%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #2169      +/-   ##
==========================================
- Coverage    64.3%   64.26%   -0.05%     
==========================================
  Files         209      209              
  Lines       16725    16725              
==========================================
- Hits        10755    10748       -7     
- Misses       4639     4644       +5     
- Partials     1331     1333       +2

Flag	Coverage Δ
#criv1alpha1test	32.94% <ø> (+0.01%)	⬆️
#criv1alpha2test	33.56% <ø> (-0.06%)	⬇️
#integrationtest	39.22% <ø> (+0.02%)	⬆️
#unittest	23.9% <ø> (ø)	⬆️

Impacted Files	Coverage Δ
ctrd/image.go	75% <0%> (-3.95%)	⬇️
cri/v1alpha2/cri.go	63.71% <0%> (-0.33%)	⬇️
daemon/mgr/container.go	56.77% <0%> (ø)	⬆️
daemon/mgr/system.go	79.33% <0%> (+1.65%)	⬆️
apis/server/utils.go	66.66% <0%> (+4.76%)	⬆️

[allencloud]

LGTM