chore(controller): make host path for pip cache optional

[jialeicui]

Description

Make host path for pip cache optional

Modules

• UI
• Controller
• Agent
• Client
• Python-SDK
• Others

Checklist

• run code format and lint check
• add unit test
• add necessary doc

[codecov]

Codecov Report

Merging #1306 (e7403a5) into main (204976b) will decrease coverage by 10.79%.
The diff coverage is 87.50%.

@@              Coverage Diff              @@
##               main    #1306       +/-   ##
=============================================
- Coverage     75.90%   65.10%   -10.80%     
  Complexity     1287     1287               
=============================================
  Files           289      226       -63     
  Lines         13413     6374     -7039     
  Branches        655      657        +2     
=============================================
- Hits          10181     4150     -6031     
+ Misses         3009     2000     -1009     
- Partials        223      224        +1     

Flag	Coverage Δ
controller	65.10% <87.50%> (+0.01%)	⬆️
standalone	?
unittests	?

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

Impacted Files	Coverage Δ
...i/starwhale/mlops/schedule/k8s/K8sJobTemplate.java	84.61% <87.50%> (-0.17%)	⬇️
client/starwhale/utils/fs.py
client/starwhale/base/uri.py
client/starwhale/api/_impl/dataset/loader.py
client/starwhale/base/bundle_copy.py
client/starwhale/base/mixin.py
client/starwhale/core/eval/store.py
client/starwhale/api/dataset.py
client/starwhale/core/dataset/store.py
client/starwhale/consts/env.py
... and 54 more

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

[anda-ren]

lgtm