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d99ad131f1
Signed-off-by: Will Pfleger <pfleger.will@gmail.com> Signed-off-by: Will Pfleger <wpfleger@block.xyz> Signed-off-by: Will Pfleger <wpfleger@squareup.com> Signed-off-by: Will Pfleger <wpfleger96@gmail.com> Co-authored-by: npub1mn7jgtj4w2pd0g0zeuhxsa6jy6p0rewxz4kujt98my82ahfmp72sxjexk7 <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@sprout-oss.stage.blox.sqprod.co> Co-authored-by: npub1fgdl5qqnh3k3f2xkqrvt7cujalhm623x4s7fdjdj5yrtp5fzjl9qrjpucw <4a1bfa0013bc6d14a8d600d8bf6392efefbd2a26ac3c96c9b2a106b0d12297ca@sprout-oss.stage.blox.sqprod.co> Co-authored-by: npub16v54tttfqacx9ycvc3k0ut0npj564ahcuajzy6qjvh57ntmsf4uq4806j2 <d32955ad69077062930cc46cfe2df30ca9aaf6f8e76422681265e9e9af704d78@sprout-oss.stage.blox.sqprod.co> Co-authored-by: Will Pfleger <wpfleger96@gmail.com>
27 lines
950 B
Bash
Executable File
27 lines
950 B
Bash
Executable File
#!/bin/sh
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# CAKE entrypoint — bridge Istio abstract socket to file socket, then exec relay.
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#
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# Traffic flow:
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# Client → Envoy → @istio-proxy.sock (abstract) → socat → /tmp/local.sock → Buzz
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# K8s probes → 0.0.0.0:8080 → Buzz (direct, no Istio)
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# Prometheus → 0.0.0.0:9102/metrics → Buzz
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set -eu
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SIDECAR_SOCKET="${SIDECAR_LISTENER_BIND:-@istio-proxy.sock}"
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LOCAL_SOCKET="/tmp/local.sock"
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# Clean up stale socket file from previous run.
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rm -f "${LOCAL_SOCKET}"
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# Bridge: Envoy writes to abstract socket → socat → app reads from file socket.
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# Only start if SIDECAR_LISTENER_BIND is set (i.e., running in CAKE).
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if [ -n "${SIDECAR_LISTENER_BIND:-}" ]; then
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socat "ABSTRACT-LISTEN:${SIDECAR_SOCKET#@},fork" "UNIX-CONNECT:${LOCAL_SOCKET}" &
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export BUZZ_UDS_PATH="${LOCAL_SOCKET}"
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fi
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export BUZZ_HEALTH_PORT="${BUZZ_HEALTH_PORT:-8080}"
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export BUZZ_METRICS_PORT="${BUZZ_METRICS_PORT:-9102}"
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exec /code/buzz-relay
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