rewrite to use mariadb instead of mysql

check_galera_cluster

@@ -29,15 +29,15 @@ print_help() {
   echo ""
   echo "Options:"
   echo "  u)"
-  echo "    MySQL user."
+  echo "    MariaDB user."
   echo "  p)"
-  echo "    MySQL password."
+    echo "    MariaDB password."
   echo "  H)"
-  echo "    MySQL host."
+    echo "    MariaDB host."
   echo "  P)"
-  echo "    MySQL port."
+    echo "    MariaDB port."
   echo "  m)"
-  echo "    MySQL extra my.cnf configuration file."
+    echo "    MariaDB extra my.cnf configuration file."
   echo "  w)"
   echo "    Sets minimum number of nodes in the cluster when WARNING is raised. (default is same as critical)."
   echo "  c)"
@@ -67,7 +67,7 @@ check_executable() {
     fi
 }
 
-check_executable mysql
+check_executable mariadb
 check_executable bc
 
 while getopts “hvu:p:H:P:w:c:f:m:s:0” OPTION; do
@@ -81,19 +81,19 @@ while getopts “hvu:p:H:P:w:c:f:m:s:0” OPTION; do
       exit $ST_UK
       ;;
     u)
-      mysqluser=$OPTARG
+      mariadbuser=$OPTARG
       ;;
     p)
       password=$OPTARG
       ;;
     H)
-      mysqlhost=$OPTARG
+      mariadbhost=$OPTARG
       ;;
     P)
       port=$OPTARG
       ;;
     m)
-      myconfig=$OPTARG
+      mariadbconfig=$OPTARG
       ;;
     w)
       warn=$OPTARG
@@ -128,49 +128,49 @@ create_param() {
   fi
 }
 
-param_mysqlhost=$(create_param -h "$mysqlhost")
+param_mariadbhost=$(create_param -h "$mariadbhost")
 param_port=$(create_param -P "$port")
-param_mysqluser=$(create_param -u "$mysqluser")
+param_mariadbuser=$(create_param -u "$mariadbuser")
 param_password=$(create_param -p "$password")
-param_configfile=$(create_param --defaults-extra-file= "$myconfig")
+param_configfile=$(create_param --defaults-extra-file= "$mariadbconfig")
-export MYSQL_PWD=$password
+export MARIADB_PWD=$password
 
-param_mysql="$param_mysqlhost $param_port $param_mysqluser $param_configfile"
+param_mariadb="$param_mariadbhost $param_port $param_mariadbuser $param_configfile"
 
 #
 # verify the database connection
 #
 
-mysql $param_mysql -B -N  -e '\s;' >/dev/null 2>&1 || {
+mariadb $param_mariadb -B -N  -e '\s;' >/dev/null 2>&1 || {
-  echo "CRITICAL: mysql connection check failed"
+  echo "CRITICAL: mariadb connection check failed"
   exit $ST_CR
 }
 
 #
-# retrieve the mysql status
+# retrieve the mariadb status
 #
 
-rMysqlStatus=$(mysql $param_mysql -B -N -e "show status like 'wsrep_%';")
+rMariadbStatus=$(mariadb $param_mariadb -B -N -e "show status like 'wsrep_%';")
 
 #
 # verify that the node is part of a cluster
 #
 
-rClusterStateUuid=$(echo "$rMysqlStatus" | awk '/wsrep_cluster_state_uuid/ {print $2}')
+rClusterStateUuid=$(echo "$rMariadbStatus" | awk '/wsrep_cluster_state_uuid/ {print $2}')
 
 if [ -z "$rClusterStateUuid" ]; then
   echo "CRITICAL: node is not part of a cluster"
   exit $ST_CR
 fi
 
-rClusterSize=$(echo "$rMysqlStatus" | awk '/wsrep_cluster_size/ {print $2}')
+rClusterSize=$(echo "$rMariadbStatus" | awk '/wsrep_cluster_size/ {print $2}')
-rClusterStatus=$(echo "$rMysqlStatus" | awk '/wsrep_cluster_status/ {print $2}') # Primary
+rClusterStatus=$(echo "$rMariadbStatus" | awk '/wsrep_cluster_status/ {print $2}') # Primary
-rFlowControl=$(echo "$rMysqlStatus" | awk '/wsrep_flow_control_paused\t/ {print $2}') # < 0.1
+rFlowControl=$(echo "$rMariadbStatus" | awk '/wsrep_flow_control_paused\t/ {print $2}') # < 0.1
 rFlowControl=$(printf "%.14f" $rFlowControl) # issue #4
-rReady=$(echo "$rMysqlStatus" | awk '/wsrep_ready/ {print $2}') # ON
+rReady=$(echo "$rMariadbStatus" | awk '/wsrep_ready/ {print $2}') # ON
-rConnected=$(echo "$rMysqlStatus" | awk '/wsrep_connected/ {print $2}') # ON
+rConnected=$(echo "$rMariadbStatus" | awk '/wsrep_connected/ {print $2}') # ON
-rLocalStateComment=$(echo "$rMysqlStatus" | awk '/wsrep_local_state_comment/ {print $2}') # Synced
+rLocalStateComment=$(echo "$rMariadbStatus" | awk '/wsrep_local_state_comment/ {print $2}') # Synced
-rIncommingAddresses=$(echo "$rMysqlStatus" | awk '/wsrep_incoming_addresses/ {print $2}') 
+rIncommingAddresses=$(echo "$rMariadbStatus" | awk '/wsrep_incoming_addresses/ {print $2}') 
   
 if [ -z "$rFlowControl" ]; then
   echo "UNKNOWN: wsrep_flow_control_paused is empty"