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Breeze: bind api-server dual-stack so http://localhost works in Chrome/Safari #67320

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Merged
pierrejeambrun merged 2 commits into from
May 22, 2026
+18 −5
Merged

Breeze: bind api-server dual-stack so http://localhost works in Chrome/Safari #67320

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b21bf48
Breeze: bind api-server dual-stack so localhost works in Chrome/Safari
pierrejeambrun May 22, 2026
9beeddf
Apply the same dual-stack bind in the tmux startup script
pierrejeambrun May 22, 2026
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14 changes: 12 additions & 2 deletions scripts/in_container/bin/generate_mprocs_config.py
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Original file line number Diff line number Diff line change
Expand Up @@ -66,12 +66,22 @@ def generate_mprocs_config() -> str:
use_airflow_version = get_env("USE_AIRFLOW_VERSION", "")
if not use_airflow_version.startswith("2."):
# API Server (Airflow 3.x+)
# Bind dual-stack (IPv6 + IPv4) so http://localhost:28080 works from browsers that
# resolve `localhost` to ::1 first (e.g. Chrome/Safari on macOS with OrbStack, which
# forwards both IPv4 and IPv6 host ports into the container). The default `0.0.0.0`
# binds IPv4 only, causing the IPv6 attempt to land inside the container with no
# listener and TCP RST → opaque chrome-error://chromewebdata/ page.
api_host_arg = "--host '::'"
if get_env_bool("BREEZE_DEBUG_APISERVER"):
port = get_env("BREEZE_DEBUG_APISERVER_PORT", "5679")
api_cmd = f"debugpy --listen 0.0.0.0:{port} --wait-for-client -m airflow api-server -d"
api_cmd = (
f"debugpy --listen 0.0.0.0:{port} --wait-for-client -m airflow api-server {api_host_arg} -d"
)
else:
dev_mode = get_env_bool("DEV_MODE")
api_cmd = "airflow api-server -d" if dev_mode else "airflow api-server"
api_cmd = (
f"airflow api-server {api_host_arg} -d" if dev_mode else f"airflow api-server {api_host_arg}"
)
procs["api_server"] = {"shell": api_cmd, "restart": "always", "scrollback": 100000}
else:
# Webserver (Airflow 2.x)
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9 changes: 6 additions & 3 deletions scripts/in_container/bin/run_tmux
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Original file line number Diff line number Diff line change
Expand Up @@ -65,15 +65,18 @@ fi
if [[ ! ${USE_AIRFLOW_VERSION=} =~ ^2\..* ]]; then
tmux split-window -h
tmux select-pane -t 2
# Bind dual-stack (IPv6 + IPv4) so http://localhost:28080 works from browsers that resolve
# `localhost` to ::1 first (e.g. Chrome/Safari on macOS with OrbStack, which forwards both
# IPv4 and IPv6 host ports into the container). The default `0.0.0.0` binds IPv4 only.
if [[ ${BREEZE_DEBUG_APISERVER} == "true" ]]; then
tmux set-option -p @airflow_component "API Server(Debug Mode)"
tmux send-keys "debugpy --listen 0.0.0.0:${BREEZE_DEBUG_APISERVER_PORT} --wait-for-client -m airflow api-server -d" C-m
tmux send-keys "debugpy --listen 0.0.0.0:${BREEZE_DEBUG_APISERVER_PORT} --wait-for-client -m airflow api-server --host '::' -d" C-m
else
tmux set-option -p @airflow_component "API Server"
if [[ ${DEV_MODE=} == "true" ]]; then
tmux send-keys 'airflow api-server -d' C-m
tmux send-keys "airflow api-server --host '::' -d" C-m
else
tmux send-keys 'airflow api-server' C-m
tmux send-keys "airflow api-server --host '::'" C-m
fi
fi
else
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