nydusify: fix the issue of blob not found when modifying image name d…

[ymydb]

Relevant Issue (if applicable)

If there are Issues related to this PullRequest, please list it.

Details

There are some bugs in nydusify commit image, following bugs are fixed in this:

• commit image on rename repository
  Use the mount blob api in the same repository
  
  
  

Types of changes

What types of changes does your PullRequest introduce? Put an x in all the boxes that apply:

• 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

Go over all the following points, and put an x in all the boxes that apply.

• I have updated the documentation accordingly.
• I have added tests to cover my changes.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 60.41%. Comparing base (dd9ba54) to head (9f51b6c).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1667      +/-   ##
==========================================
- Coverage   60.42%   60.41%   -0.01%     
==========================================
  Files         146      146              
  Lines       48943    48943              
  Branches    46380    46380              
==========================================
- Hits        29573    29571       -2     
- Misses      17906    17907       +1     
- Partials     1464     1465       +1     

see 2 files with indirect coverage changes