Fix version parameter autocompletion

[dheeraj12347]

Fixes #224

The version parameter autocompletion was incorrectly retrieving
registered Kubernetes versions for APIs such as list hosts and
list routers.

This change makes version completion use the current list API's
version response field when available.

Added regression tests for listHosts and listRouters.

Verified with:

• go test ./...
• go vet ./...
• make
• git diff --check

[dheeraj12347]

Hi @nvazquez , @DaanHoogland I’ve worked on CloudMonkey issue #224 regarding the incorrect version parameter autocompletion.

I’ve opened PR #225 with the fix. The change makes version= use the current list API when it exposes a version response field, and adds regression tests for listHosts and listRouters.

I’ve also verified the changes with go test ./..., go vet ./..., and make.

Would appreciate your feedback when you get a chance.

[github-actions]

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[borisstoyanov]

@dheeraj12347 thanks for the fix, I've run a quick verification with claude and it seems that it's not addressing the issue fully. can you please check it out.

============================================================
 PR #225 test report
============================================================
 baseline:  main  efbb895
 under test: pr225 0f0a7da

------------------------------------------------------------
TEST 1  the reported bug: which API does 'list routers version=' use?
------------------------------------------------------------
  Expected: listRouters          (the API's own version field, per issue #224)
  Baseline: listKubernetesSupportedVersions   (main, the bug)
  Actual:   listKubernetesSupportedVersions   (PR #225)
  Verdict:  FAIL

------------------------------------------------------------
TEST 2  does the PR change anything at all? (6886 arguments compared)
------------------------------------------------------------
  Expected: 1 changed row   (only the version argument)
  Actual:   0 changed rows
  Verdict:  FAIL

------------------------------------------------------------
TEST 3  the string the PR compares against "version"
------------------------------------------------------------
  Expected: version     (the literal the PR's == compares with)
  Actual:   version,    (from config/cache.go:198, built with a trailing comma)
  Verdict:  FAIL

------------------------------------------------------------
TEST 4  option list for 3 routers running 2 distinct versions
------------------------------------------------------------
  Expected: 2 options    (4.22.1.0, 4.21.0.0 — de-duplicated)
  Actual:   3 options
    4.22.1.0   (10.0.0.1)
    4.22.1.0   (10.0.0.2)
    4.21.0.0   (10.0.0.3)
  Verdict:  FAIL

============================================================
 SUMMARY: 4 of 4 tests FAIL
============================================================

I don't think this is blocking 6.6.0, I think we can fix it in 6.7.0, thoughts?