Fix race conditino in postgres startup/turbod

Use pg_isready in start_turbo to avoid race conditions during startup.

Fix typo in prepd output.

cicd_testing/turbo_docker/start_turbo.sh

@@ -2,16 +2,23 @@
 
 main()
 {
+	# start postgres
 	service postgresql start
+
+	# wait for postres to start
+	while !pg_isready; do sleep 1; done;
+
+
+	# setup connections and env for turbod and prepd
 	export USER=root;
 	cd /turbo
 	source ./set_env_vars 
 
-	sleep 10 # let postgres start
-
+	# start trubo
 	cd /tmp
 	/turbo/bin/turbod.exe  > /tmp/turbod.log 2>&1 &
-	sleep 10 # let turbod start 
+
+	# start prepd
 	/turbo/bin/prepd.exe > /tmp/prepd.log 2>&1 
 
 }

prepd/prepd.cpp

@@ -63,7 +63,7 @@ void do_zafl(pqxx::connection &conn, int32_t log_id, const WorkUnit_t& work)
 	if(file_write != raw.size())
 	{
 		prepare();
-		txn->prepared("update_log")("Could create tmp output file.  Out of disk space?\n")(work.getVersionID()).exec();
+		txn->prepared("update_log")("Couldn't create tmp output file.  Out of disk space?\n")(work.getVersionID()).exec();
 		txn->prepared("mark_err")(work.getVersionID()).exec();
 		txn->commit();
 		txn = make_unique<pqxx::work>(conn);