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# This was an attempt to keep rolling updates with very little downtime.
# I don't think it's worth it, and the nature of update_config provides
# little flexibility to use here.
#!/bin/bash
set -e
function log() {
echo "[startup] $@"
}
LOCKFILE="/var/mail-state/lib-postfix/master.lock"
MAX_TRIES=30
TRY=0
while [ -f "$LOCKFILE" ]; do
if [ "$TRY" -eq "$MAX_TRIES" ]; then
log "[$TRY/$MAX_TRIES] Max tries, failing."
exit 1
fi
log "[$TRY/$MAX_TRIES] Lockfile exists, waiting for it to be cleaned up by previous container..."
sleep 2
TRY=$((TRY + 1))
done
log "Lock check done. Starting DMS."
supervisord -c /etc/supervisor/supervisord.conf
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