[2/X][Pipeline] Add basic deployment generation in python

[jiaodong]

This PR is not fully ready with all tests added and passed yet, but putting it up for initial review to speed up landing process.

Why are these changes needed?

Related issue number

Checks

• I've run scripts/format.sh to lint the changes in this PR.
• I've included any doc changes needed for https://docs.ray.io/en/master/.
• I've made sure the tests are passing. Note that there might be a few flaky tests, see the recent failures at https://flakey-tests.ray.io/
• Testing Strategy
  • Unit tests
  • Release tests
  • This PR is not tested :(

[jiaodong]

Current dependencies on/for this PR:

• master
  • PR [2/X][Pipeline] Add basic deployment generation in python #45 (this PR)

This comment was auto-generated by Graphite.

[edoakes]

opened this on the wrong repo my dude

[jiaodong]

yeah ... I might did something weird dabbling graphite again and gt stack submit produces to my origin =.= but the one you just reviewed is created from this via a few more UI clicks.