add tap test for flush logs

test/tap/tests/Makefile

@@ -175,6 +175,7 @@ debug: tests
 tests: tests-cpp \
 	tests-php \
 	tests-py \
+	tests-sh \
 	setparser_test \
 	reg_test_3504-change_user_libmariadb_helper \
 	reg_test_3504-change_user_libmysql_helper \
@@ -191,6 +192,7 @@ tests: tests-cpp \
 tests-cpp: $(patsubst %.cpp,%,$(wildcard *-t.cpp))
 tests-php: $(patsubst %,php-%,$(wildcard *-t.php))
 tests-py: $(patsubst %,py-%,$(wildcard *-t.py))
+tests-sh: $(patsubst %,sh-%,$(wildcard *-t.sh))
 testgalera: galera_1_timeout_count galera_2_timeout_no_count
 testaurora: aurora
 
@@ -222,6 +224,10 @@ py-%:
 	cp $(patsubst py-%,%,$@) $(patsubst py-%.py,%,$@)
 	chmod +x $(patsubst py-%.py,%,$@)
 
+sh-%:
+	cp $(patsubst sh-%,%,$@) $(patsubst sh-%.sh,%,$@)
+	chmod +x $(patsubst sh-%.sh,%,$@)
+
 %-t: %-t.cpp $(TAP_LDIR)/libtap.so
 	$(CXX) $< $(IDIRS) $(LDIRS) $(OPT) $(MYLIBS) $(STATIC_LIBS) -o $@
 #	$(CXX) $< $(IDIRS) $(LDIRS) $(OPT) $(MYLIBS) -lpthread -ldl $(STATIC_LIBS) $(TAP_LDIR)/libtap.so -o $@

test/tap/tests/test_flush_logs-t.sh

@@ -0,0 +1,86 @@
+#!/usr/bin/env bash
+#
+# test proxysql log flushing mechanisms
+# - PROXYSQL FLUSH LOGS command
+# - SIGUSR1 signal
+#
+
+# change plan here, 0 means auto plan
+PLAN=0
+DONE=0
+FAIL=0
+
+trap fn_exit EXIT
+trap fn_exit SIGINT
+
+PROXYSQL_PATH=$(while [ ! -f ./src/proxysql_global.cpp ]; do cd ..; done; pwd)
+PROXYSQL_LOGS=${REGULAR_INFRA_DATADIR:-$PROXYSQL_PATH/logs}
+
+fn_getenv () {
+	source .env 2>/dev/null
+	source $(basename $(dirname $0)).env 2>/dev/null
+	source $(basename $0 | sed 's/.sh//').env 2>/dev/null
+}
+
+fn_plan () {
+	PLAN=$([[ -z $1 ]] && echo $PLAN || echo $1)
+	echo "msg: 1..$([[ $PLAN -ne 0 ]] && echo $PLAN)"
+}
+
+fn_exit () {
+	if [[ $DONE -eq $PLAN ]] && [[ $FAIL -eq 0 ]]; then
+		echo "msg: Test took $SECONDS sec"
+		exit 0
+	else
+		echo "msg: plan was $PLAN - done $DONE"
+		echo "msg: from $DONE done - $FAIL failed"
+		echo "msg: Test took $SECONDS sec"
+		exit -1
+	fi
+}
+
+fn_padmin () {
+	mysql -u${TAP_ADMINUSERNAME:-admin} -p${TAP_ADMINPASSWORD:-admin} -h${TAP_ADMINHOST:-127.0.0.1} -P${TAP_ADMINPORT:-6032} -e "${1}" 2>&1 | grep -vP "mysql: .?Warning"
+}
+
+fn_signal () {
+	# send signal to all - watchdog and worker processes
+	ps aux | grep -P 'proxysql\W' | grep -v grep | awk '{ print $2 }' | xargs -n1 sudo kill -${1}
+	# send signal only to worker processes
+#	ps aux | grep -P 'proxysql\W' | grep -v grep | awk '{ print $2 }' | sort -n | sed '1 !d' | xargs -n1 sudo kill -${1}
+}
+
+fn_get_rotations () {
+	cat $PROXYSQL_LOGS/proxysql.log | grep '\[INFO\] ProxySQL version' | wc -l
+}
+
+fn_check_res () {
+	DONE=$(( $DONE + 1 ))
+	PLAN=$([[ $PLAN -lt $DONE ]] && echo $DONE || echo $PLAN)
+	if [[ $RES -ne $(( $BASELINE + 1)) ]]; then
+		echo "msg: not ok $DONE - command '$1' - initial BASELINE: $BASELINE - expected BASELINE + 1 : got $RES"
+		FAIL=$(( $FAIL + 1 ))
+	else
+		echo "msg: ok $DONE - command '$1' - initial BASELINE: $BASELINE - expected BASELINE + 1 : got $RES"
+	fi
+}
+
+# test init
+fn_getenv
+fn_plan
+
+
+# test PROXYSQL FLUSH LOGS
+BASELINE=$(fn_get_rotations)
+fn_padmin "PROXYSQL FLUSH LOGS;"
+RES=$(fn_get_rotations)
+fn_check_res "PROXYSQL FLUSH LOGS;"
+
+# test USR1 signal
+BASELINE=$(fn_get_rotations)
+fn_signal "USR1"
+RES=$(fn_get_rotations)
+fn_check_res "kill -USR1 \$PID"
+
+
+# test done