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Fix modular mode PostgreSQL/Redis connection checks

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Replace raw Python AF_INET socket checks with pg_isready (PostgreSQL) and socket.create_connection (Redis) in modular deployment mode

The raw socket check may fail in some Docker environments depending on networking and DNS configurations, causing indefinite hangs. Replaced database check with native pg_isready
and memstore checck with AF_UNSPEC in the case IPv6 is enabled.

Fixes #952
This commit is contained in:
None 2026-02-10 23:00:35 -06:00
parent 197acddb1d
commit 39646f0b01
1 changed files with 4 additions and 18 deletions
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22
docker/entrypoint.sh
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@ -163,20 +163,9 @@ if [[ "$DISPATCHARR_ENV" != "modular" ]]; then
pids+=("$postgres_pid")
else
echo "🔗 Modular mode: Using external PostgreSQL at ${POSTGRES_HOST}:${POSTGRES_PORT}"
# Wait for external PostgreSQL to be ready using Python (no pg_isready needed)
# Wait for external PostgreSQL to be ready using pg_isready (checks actual protocol readiness)
echo_with_timestamp "Waiting for external PostgreSQL to be ready..."
until python3 -c "
import socket
import sys
try:
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.settimeout(2)
s.connect(('${POSTGRES_HOST}', ${POSTGRES_PORT}))
s.close()
sys.exit(0)
except Exception:
sys.exit(1)
" 2>/dev/null; do
until $PG_BINDIR/pg_isready -h "${POSTGRES_HOST}" -p "${POSTGRES_PORT}" -q >/dev/null 2>&1; do
echo_with_timestamp "Waiting for PostgreSQL at ${POSTGRES_HOST}:${POSTGRES_PORT}..."
sleep 1
done
@ -191,12 +180,9 @@ if [[ "$DISPATCHARR_ENV" == "modular" ]]; then
echo "🔗 Modular mode: Using external Redis at ${REDIS_HOST}:${REDIS_PORT}"
echo_with_timestamp "Waiting for external Redis to be ready..."
until python3 -c "
import socket
import sys
import socket, sys
try:
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.settimeout(2)
s.connect(('${REDIS_HOST}', ${REDIS_PORT}))
s = socket.create_connection(('${REDIS_HOST}', ${REDIS_PORT}), timeout=2)
s.close()
sys.exit(0)
except Exception: