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joshsiv-mulga
8e38faaede
E2E NLB suites timed out at "0/2 healthy" while ALB suites on the same target instances went healthy in ~5s. The host daemon journal shows the NLB agent reporting an empty server list (no probe results at all), which happens when the lb-agent never enters nginx mode — i.e. `nginx -t`/start fails closed inside the LB microVM, so the agent never probes and reports nothing. The data plane itself is verified working; this is purely the active-health-check pathway failing to converge in CI. - lbagent: pre-create nginx runtime prefix dirs (pid dir + /var/lib/nginx, /var/lib/nginx/tmp, /var/log/nginx) before `nginx -t`, mirroring reloadHAProxy's socket-dir pre-create. A stripped Alpine initramfs may lack these, dead-ending the whole NLB health path. - build-microvm-image.sh: assert the nginx binary and ngx_stream_module.so are present in the image and fail the build loudly, instead of surfacing as an opaque e2e health timeout. - e2e: capture the LB VM serial console to the artifact bundle on NLB health-wait failure. The agent's engine activation and any `reload nginx:` error land on the guest console, which the host journal never sees.