feature: populate empty volumes when creating container

[shaloulcy]

Signed-off-by: Eric Li [email protected]

Ⅰ. Describe what this PR did

if the volume is empty and image path is not empty, we will populate the volume with the image data

Ⅱ. Does this pull request fix one issue?

fixes #1739

Ⅲ. Describe how you did it

Ⅳ. Describe how to verify it

Ⅴ. Special notes for reviews

[codecov-io]

Codecov Report

Merging #1745 into master will decrease coverage by 0.01%.
The diff coverage is 43.24%.

@@            Coverage Diff             @@
##           master    #1745      +/-   ##
==========================================
- Coverage   14.14%   14.13%   -0.02%     
==========================================
  Files         281      281              
  Lines       56728    56797      +69     
==========================================
- Hits         8027     8026       -1     
- Misses      47777    47838      +61     
- Partials      924      933       +9

Impacted Files	Coverage Δ
daemon/mgr/container.go	51.43% <43.24%> (-1.03%)	⬇️
pkg/meta/store.go	54.76% <0%> (-4.77%)	⬇️
daemon/containerio/cio.go	58.73% <0%> (-4.77%)	⬇️
daemon/containerio/container_io.go	53.59% <0%> (-4.42%)	⬇️
daemon/mgr/container_utils.go	54.97% <0%> (-1.74%)	⬇️
daemon/mgr/system.go	73.27% <0%> (-1.73%)	⬇️
daemon/logger/jsonfile/utils.go	71.54% <0%> (-1.63%)	⬇️
ctrd/image.go	81.18% <0%> (+1.98%)	⬆️

[YaoZengzeng]

I've tested this PR on my local machine, it works fine.

[allencloud]

I think this could definitely add an integration test. WDYT? @shaloulcy @YaoZengzeng

[shaloulcy]

@YaoZengzeng Are you interested to add an integration test? thanks~

[YaoZengzeng]

@shaloulcy After this PR being merged, I'll write a test for it.

[rudyfly]

LGTM