[Dashboard] Do not fail the whole k8s infra table if some contexts are not available

[DanielZhangQD]

Do not fail the whole k8s infra table if some contexts are not available

Tested (run the relevant ones):

• Code formatting: install pre-commit (auto-check on commit) or bash format.sh
• Any manual or new tests for this PR (please specify below)
• All smoke tests: /smoke-test (CI) or pytest tests/test_smoke.py (local)
• Relevant individual tests: /smoke-test -k test_name (CI) or pytest tests/test_smoke.py::test_name (local)
• Backward compatibility: /quicktest-core (CI) or pytest tests/smoke_tests/test_backward_compat.py (local)

[DanielZhangQD]

• 3 contexts with two not available:

• 3 contexts with 1 not available:

[aylei]

LGTM, thanks @DanielZhangQD !

[Michaelvll]

can we also show the error message for the failed context? For example, when the mouse hover on the 0 row, we should show the reason it fails.

[DanielZhangQD]

can we also show the error message for the failed context? For example, when the mouse hover on the 0 row, we should show the reason it fails.

Now it will show the hint when hovering on the 0 node:

[Michaelvll]

can we also show the error message for the failed context? For example, when the mouse hover on the 0 row, we should show the reason it fails.

Now it will show the hint when hovering on the 0 node:

Oh, I mean is it possible to see the actual underlying error, so that it is easier to debug for the reason?

[DanielZhangQD]

can we also show the error message for the failed context? For example, when the mouse hover on the 0 row, we should show the reason it fails.

Now it will show the hint when hovering on the 0 node:

Oh, I mean is it possible to see the actual underlying error, so that it is easier to debug for the reason?

OK, let me do it in another PR.