Merge branch '2.3' into 2.4

BUILD/install_build_deps.sh

@@ -8,9 +8,56 @@ tmpdir=$(mktemp -d)
 
 cd $tmpdir
 
-command -v apt-get
+distro_id=`cat /etc/*-release | grep "^ID_LIKE=" | sed "s/ID=//"`
 
-if [ $? == 0 ]
+unset packager_type
+
+if [[ ${distro_id} =~ "suse" ]]
+then
+   packager_type="zypper"
+fi
+
+if [[ ${distro_id} =~ "rhel" ]]
+then
+   packager_type="yum"
+fi
+
+if [[ ${distro_id} =~ "debian" ]]
+then
+   packager_type="apt"
+fi
+
+if [[ ${packager_type} == "" ]]
+then
+    command -v apt-get
+
+    if [ $? == 0 ]
+    then
+        packager_type="apt"
+    fi
+
+    command -v yum
+
+    if [ $? == 0 ]
+    then
+        packager_type="yum"
+    fi
+
+    command -v zypper
+
+    if [ $? == 0 ]
+    then
+        packager_type="zypper"
+    fi
+fi
+
+if [[ ${packager_type} == "" ]]
+then
+    echo "Can not determine package manager type, exiting"
+    exit 1
+fi
+
+if [[ ${packager_type} == "apt" ]]
 then
   # DEB-based distro
   install_libdir=/usr/lib
@@ -48,29 +95,11 @@ then
          sudo apt-get install -y --force-yes libgcrypt11-dev
      fi
   fi
-else
+fi
-  ## RPM-based distro
+
+if [[ ${packager_type} == "yum" ]]
+then
     install_libdir=/usr/lib64
-  command -v yum
-
-  if [ $? != 0 ]
-  then
-    # We need zypper here
-    sudo zypper -n refresh
-    sudo zypper -n update
-    sudo zypper -n install gcc gcc-c++ ncurses-devel bison glibc-devel libgcc_s1 perl \
-         make libtool libopenssl-devel libaio libaio-devel flex \
-         pcre-devel git wget tcl tcl-devel libuuid-devel \
-         xz-devel sqlite3 sqlite3-devel pkg-config lua lua-devel \
-         gnutls-devel libgcrypt-devel pam-devel systemd-devel libcurl-devel
-    sudo zypper -n install rpm-build
-    cat /etc/*-release | grep "SUSE Linux Enterprise Server 11"
-
-    if [ $? != 0 ]
-    then
-      sudo zypper -n install libedit-devel
-    fi
-  else
     # YUM!
     sudo yum clean all
     sudo yum update -y
@@ -110,6 +139,25 @@ else
         sudo sed -i 's/--selinux-enabled/--selinux-enabled=false/' /etc/sysconfig/docker
         sudo systemctl start docker
     fi
+fi
+
+if [[ ${packager_type} == "zypper" ]]
+then
+    install_libdir=/usr/lib64
+    # We need zypper here
+    sudo zypper -n refresh
+    sudo zypper -n update
+    sudo zypper -n install gcc gcc-c++ ncurses-devel bison glibc-devel libgcc_s1 perl \
+         make libtool libopenssl-devel libaio libaio-devel flex \
+         pcre-devel git wget tcl tcl-devel libuuid-devel \
+         xz-devel sqlite3 sqlite3-devel pkg-config lua lua-devel \
+         gnutls-devel libgcrypt-devel pam-devel systemd-devel
+    sudo zypper -n install rpm-build
+    cat /etc/*-release | grep "SUSE Linux Enterprise Server 11"
+
+    if [ $? != 0 ]
+    then
+      sudo zypper -n install libedit-devel
     fi
 fi
 

Documentation/Routers/ReadWriteSplit.md

@@ -574,6 +574,14 @@ modifications done by the client itself.
   addition to this, the `session_track_system_variables` parameter must be set
   to `last_gtid`.
 
+**Note:** This feature does not work with Galera or any other non-standard
+  replication mechanisms. As Galera does not update the `gtid_slave_pos`
+  variable when events are replicated via the Galera library, the
+  [`MASTER_GTID_WAIT`](https://mariadb.com/kb/en/library/master_gtid_wait/)
+  function used by MaxScale to synchronize reads will wait until the
+  timeout. With Galera this is not a serious issue as it, by nature, is a
+  mostly-synchronous replication mechanism.
+
 A practical example can be given by the following set of SQL commands executed
 with `autocommit=1`.
 

maxctrl/lib/show.js

@@ -34,6 +34,11 @@ const server_fields = [
         path: 'attributes.state',
         description: 'Server state'
     },
+    {
+        name: 'Version',
+        path: 'attributes.version_string',
+        description: 'Server version'
+    },
     {
         name: 'Last Event',
         path: 'attributes.last_event',