fix: gocyclo issues in go report

[zhuangqh]

Ⅰ. Describe what this PR did

1. fix the gocyclo part of goreport
2. fix bug: the no-proxy's environment name should be 'NO_PROXY' or 'no_proxy', not 'noProxy'.

Ⅱ. Does this pull request fix one issue?

fixes #964

Ⅲ. Describe how you did it

Ⅳ. Describe how to verify it

Ⅴ. Special notes for reviews

[pouchrobot]

@zhuangqh Thanks for your contribution. 🍻
Please sign off in each of your commits.

[CLAassistant]

All committers have signed the CLA.

[pouchrobot]

We found this is your first time to contribute to Pouch, @zhuangqh
👏 We really appreciate it.
Just remind that you have read the contribution guide: https://github.com/alibaba/pouch/blob/master/CONTRIBUTING.md
If you didn't, you should do that first. If done, welcome again and please enjoy hacking! 🍻

[codecov-io]

Codecov Report

Merging #1084 into master will decrease coverage by 0.05%.
The diff coverage is 90%.

@@            Coverage Diff             @@
##           master    #1084      +/-   ##
==========================================
- Coverage    16.2%   16.15%   -0.06%     
==========================================
  Files         161      158       -3     
  Lines        8850     8842       -8     
==========================================
- Hits         1434     1428       -6     
+ Misses       7312     7310       -2     
  Partials      104      104

Impacted Files	Coverage Δ
ctrd/image_proxy_util.go	0% <ø> (ø)	⬆️
pkg/utils/utils.go	78.15% <90%> (-4.03%)	⬇️
daemon/mgr/image.go	32.12% <0%> (-0.34%)	⬇️
client/container.go	0% <0%> (ø)	⬆️
pkg/errtypes/errors.go	35.29% <0%> (ø)	⬆️
client/container_unpause.go
client/container_pause.go
client/client.go

[allencloud]

Thanks a lot for your contribution. @zhuangqh
Also cc @zeppp Could you help to review this?

[allencloud]

Could you help to confirm this? Since I think it is introduced by your part. @Ace-Tang

[allencloud]

have communicated with @Ace-Tang offline. The change is totally reasonable.

[zeppp]

LGTM

[allencloud]

LGTM

[allencloud]

Thank @zhuangqh for your first contribution.

[allencloud]

Oh, I have forgotten to squash the four commits into a single one. My fault.
And please submit a pull request with only a single commit in the following pull request. Thanks a lot. @zhuangqh

[zhuangqh]

Sorry my fault. I have read the contributing guide carefully. 😅 @allencloud