Merge pull request #318 from acekingke/livenessMysql

sysbench press the database, Pod is recreated by k8s #305

Author: andyli029

mysqlcluster/container/mysql.go

@@ -88,11 +88,7 @@ func (c *mysql) getLivenessProbe() *corev1.Probe {
 	return &corev1.Probe{
 		Handler: corev1.Handler{
 			Exec: &corev1.ExecAction{
-				Command: []string{
-					"sh",
-					"-c",
-					fmt.Sprintf("mysqladmin --defaults-file=%s ping", utils.ConfClientPath),
-				},
+				Command: []string{"pgrep", "mysqld"},
 			},
 		},
 		InitialDelaySeconds: 30,

mysqlcluster/container/mysql_test.go

@@ -107,7 +107,7 @@ func TestGetMysqlLivenessProbe(t *testing.T) {
 	livenessProbe := &corev1.Probe{
 		Handler: corev1.Handler{
 			Exec: &corev1.ExecAction{
-				Command: []string{"sh", "-c", "mysqladmin --defaults-file=/etc/mysql/client.conf ping"},
+				Command: []string{"pgrep", "mysqld"},
 			},
 		},
 		InitialDelaySeconds: 30,