Adding upstream version 1:10.5.12.upstream/1%10.5.12upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1077 insertions, 0 deletions

diff --git a/scripts/mysqld_safe.sh b/scripts/mysqld_safe.sh
new file mode 100644
index 00000000..75a613b2
--- /dev/null
+++ b/scripts/mysqld_safe.sh
@@ -0,0 +1,1077 @@
+#!/bin/sh
+# Copyright Abandoned 1996 TCX DataKonsult AB & Monty Program KB & Detron HB
+# This file is public domain and comes with NO WARRANTY of any kind
+#
+# Script to start the MySQL daemon and restart it if it dies unexpectedly
+#
+# This should be executed in the MySQL base directory if you are using a
+# binary installation that is not installed in its compile-time default
+# location
+#
+# mysql.server works by first doing a cd to the base directory and from there
+# executing mysqld_safe
+
+# Initialize script globals
+KILL_MYSQLD=1;
+MYSQLD=
+niceness=0
+nowatch=0
+mysqld_ld_preload=
+mysqld_ld_library_path=
+flush_caches=0
+numa_interleave=0
+wsrep_on=0
+dry_run=0
+defaults_group_suffix=
+
+# Initial logging status: error log is not open, and not using syslog
+logging=init
+want_syslog=0
+syslog_tag=
+user='@MYSQLD_USER@'
+pid_file=
+err_log=
+err_log_base=
+skip_err_log=0
+
+syslog_tag_mysqld=mysqld
+syslog_tag_mysqld_safe=mysqld_safe
+
+trap '' 1 2 3 15			# we shouldn't let anyone kill us
+
+# MySQL-specific environment variable. First off, it's not really a umask,
+# it's the desired mode. Second, it follows umask(2), not umask(3) in that
+# octal needs to be explicit. Our shell might be a proper sh without printf,
+# multiple-base arithmetic, and binary arithmetic, so this will get ugly.
+# We reject decimal values to keep things at least half-sane.
+umask 007                               # fallback
+UMASK="${UMASK-0640}"
+fmode=`echo "$UMASK" | sed -e 's/[^0246]//g'`
+octalp=`echo "$fmode"|cut -c1`
+fmlen=`echo "$fmode"|wc -c|sed -e 's/ //g'`
+if [ "x$octalp" != "x0" -o "x$UMASK" != "x$fmode" -o "x$fmlen" != "x5" ]
+then
+  fmode=0640
+  echo "UMASK must be a 3-digit mode with an additional leading 0 to indicate octal." >&2
+  echo "The first digit will be corrected to 6, the others may be 0, 2, 4, or 6." >&2
+fi
+fmode=`echo "$fmode"|cut -c3-4`
+fmode="6$fmode"
+if [ "x$UMASK" != "x0$fmode" ]
+then
+  echo "UMASK corrected from $UMASK to 0$fmode ..."
+fi
+
+defaults=
+case "$1" in
+    --no-defaults|--defaults-file=*|--defaults-extra-file=*)
+      defaults="$1"; shift
+      ;;
+esac
+
+usage () {
+        cat <<EOF
+Usage: $0 [OPTIONS]
+  --no-defaults              Don't read the system defaults file
+  --defaults-file=FILE       Use the specified defaults file
+  --defaults-extra-file=FILE Also use defaults from the specified file
+  --defaults-group-suffix=X  Additionally read default groups with X appended
+                             as a suffix
+  --ledir=DIRECTORY          Look for mysqld in the specified directory
+  --open-files-limit=LIMIT   Limit the number of open files
+  --crash-script=FILE        Script to call when mysqld crashes
+  --core-file-size=LIMIT     Limit core files to the specified size
+  --timezone=TZ              Set the system timezone
+  --malloc-lib=LIB           Preload shared library LIB if available
+  --mysqld=FILE              Use the specified file as mysqld
+  --mysqld-version=VERSION   Use "mysqld-VERSION" as mysqld
+  --dry-run                  Simulate the start to detect errors but don't start
+  --nice=NICE                Set the scheduling priority of mysqld
+  --no-auto-restart          Exit after starting mysqld
+  --nowatch                  Exit after starting mysqld
+  --plugin-dir=DIR           Plugins are under DIR or DIR/VERSION, if
+                             VERSION is given
+  --skip-kill-mysqld         Don't try to kill stray mysqld processes
+  --syslog                   Log messages to syslog with 'logger'
+  --skip-syslog              Log messages to error log (default)
+  --syslog-tag=TAG           Pass -t "mysqld-TAG" to 'logger'
+  --flush-caches             Flush and purge buffers/caches before
+                             starting the server
+  --numa-interleave          Run mysqld with its memory interleaved
+                             on all NUMA nodes
+
+All other options are passed to the mysqld program.
+
+EOF
+        exit 1
+}
+
+find_in_bin() {
+  if test -x "$MY_BASEDIR_VERSION/bin/$1"
+  then
+    echo "$MY_BASEDIR_VERSION/bin/$1"
+  elif test -x "@bindir@/$1"
+  then
+    echo "@bindir@/$1"
+  else
+    echo "$1"
+  fi
+}
+
+log_generic () {
+  [ $dry_run -eq 1 ] && return
+  priority="$1"
+  shift
+
+  msg="`date +'%y%m%d %H:%M:%S'` mysqld_safe $*"
+  echo "$msg"
+  case $logging in
+    init) ;;  # Just echo the message, don't save it anywhere
+    file)
+      if [ "$helper_exist" -eq "0" ]; then
+        echo "$msg" | "$helper" "$user" log "$err_log"
+      fi
+    ;;
+    syslog) logger -t "$syslog_tag_mysqld_safe" -p "$priority" "$*" ;;
+    *)
+      echo "Internal program error (non-fatal):" \
+           " unknown logging method '$logging'" >&2
+      ;;
+  esac
+}
+
+log_error () {
+  log_generic daemon.error "$@" >&2
+}
+
+log_notice () {
+  log_generic daemon.notice "$@"
+}
+
+eval_log_error () {
+  local cmd="$1"
+  case $logging in
+    file)
+     if [ "$helper_exist" -eq "0" ]; then
+        cmd="$cmd 2>&1 | "`shell_quote_string "$helper"`" $user log "`shell_quote_string "$err_log"`
+     fi
+     ;;
+    syslog)
+      # mysqld often prefixes its messages with a timestamp, which is
+      # redundant when logging to syslog (which adds its own timestamp)
+      # However, we don't strip the timestamp with sed here, because
+      # sed buffers output (only GNU sed supports a -u (unbuffered) option)
+      # which means that messages may not get sent to syslog until the
+      # mysqld process quits.
+      cmd="$cmd 2>&1 | logger -t '$syslog_tag_mysqld' -p daemon.error"
+      ;;
+    *)
+      echo "Internal program error (non-fatal):" \
+           " unknown logging method '$logging'" >&2
+      ;;
+  esac
+
+  if test $nowatch -eq 1
+  then
+    # We'd prefer to exec $cmd here, but SELinux needs to be fixed first
+    #/usr/bin/logger "Running mysqld: $cmd"
+    eval "$cmd &"
+    exit 0
+  else
+    #echo "Running mysqld: [$cmd]"
+    eval "$cmd"
+  fi
+}
+
+shell_quote_string() {
+  # This sed command makes sure that any special chars are quoted,
+  # so the arg gets passed exactly to the server.
+  echo "$1" | sed -e 's,\([^a-zA-Z0-9/_.=-]\),\\\1,g'
+}
+
+wsrep_pick_url() {
+  [ $# -eq 0 ] && return 0
+
+  log_error "WSREP: 'wsrep_urls' is DEPRECATED! Use wsrep_cluster_address to specify multiple addresses instead."
+
+  if ! command -v nc >/dev/null
+  then
+    log_error "ERROR: nc tool not found in PATH! Make sure you have it installed."
+    return 1
+  fi
+
+  local url
+  # Assuming URL in the form scheme://host:port
+  # If host and port are not NULL, the liveness of URL is assumed to be tested
+  # If port part is absent, the url is returned literally and unconditionally
+  # If every URL has port but none is reachable, nothing is returned
+  for url in `echo $@ | sed s/,/\ /g` 0; do
+    local host=`echo $url | cut -d \: -f 2 | sed s/^\\\/\\\///`
+    local port=`echo $url | cut -d \: -f 3`
+    [ -z "$port" ] && break
+    nc -z "$host" $port >/dev/null && break
+  done
+
+  if [ "$url" == "0" ]; then
+    log_error "ERROR: none of the URLs in '$@' is reachable."
+    return 1
+  fi
+
+  echo $url
+}
+
+# Run mysqld with --wsrep-recover and parse recovered position from log.
+# Position will be stored in wsrep_start_position_opt global.
+wsrep_start_position_opt=""
+wsrep_recover_position() {
+  local mysqld_cmd="$@"
+  local euid=$(id -u)
+  local ret=0
+
+  local wr_logfile=$(mktemp /tmp/wsrep_recovery.XXXXXX)
+
+  # safety checks
+  if [ -z $wr_logfile ]; then
+    log_error "WSREP: mktemp failed"
+    return 1
+  fi
+
+  if [ -f $wr_logfile ]; then
+    # NOTE! Do not change ownership of the temporary file, as on newer kernel
+    # versions fs.protected_regular is set to '2' and redirecting output with >
+    # as root to a file not owned by root will fail with "Permission denied"
+    chmod 600 $wr_logfile
+  else
+    log_error "WSREP: mktemp failed"
+    return 1
+  fi
+
+  local wr_pidfile="$DATADIR/"`@HOSTNAME@`"-recover.pid"
+
+  local wr_options="--disable-log-error  --pid-file='$wr_pidfile'"
+
+  log_notice "WSREP: Running position recovery with $wr_options"
+
+  eval "$mysqld_cmd --wsrep_recover $wr_options 2> $wr_logfile"
+
+  if [ ! -s "$wr_logfile" ]; then
+    log_error "Log file $wr_logfile was empty, cannot proceed. Is system running fs.protected_regular?"
+    exit 1
+  fi
+
+  local rp="$(grep 'WSREP: Recovered position:' $wr_logfile)"
+  if [ -z "$rp" ]; then
+    local skipped="$(grep WSREP $wr_logfile | grep 'skipping position recovery')"
+    if [ -z "$skipped" ]; then
+      log_error "WSREP: Failed to recover position: '`cat $wr_logfile`'"
+      ret=1
+    else
+      log_notice "WSREP: Position recovery skipped"
+    fi
+  else
+    local start_pos="$(echo $rp | sed 's/.*WSREP\:\ Recovered\ position://' \
+        | sed 's/^[ \t]*//')"
+    log_notice "WSREP: Recovered position $start_pos"
+    wsrep_start_position_opt="--wsrep_start_position=$start_pos"
+  fi
+
+  if [ $ret -eq 0 ] ; then
+    local wr_logfile_permanent="$DATADIR/wsrep_recovery.ok"
+  else
+    local wr_logfile_permanent="$DATADIR/wsrep_recovery.fail"
+  fi
+  touch $wr_logfile_permanent
+  [ "$euid" = "0" ] && chown $user $wr_logfile_permanent
+  chmod 600 $wr_logfile_permanent
+  cat "$wr_logfile" >> $wr_logfile_permanent
+  rm -f "$wr_logfile"
+
+  return $ret
+}
+
+parse_arguments() {
+  for arg do
+    val=`echo "$arg" | sed -e "s;--[^=]*=;;"`
+    case "$arg" in
+      # these get passed explicitly to mysqld
+      --basedir=*) MY_BASEDIR_VERSION="$val" ;;
+      --datadir=*|--data=*) DATADIR="$val" ;;
+      --pid[-_]file=*) pid_file="$val" ;;
+      --plugin[-_]dir=*) PLUGIN_DIR="$val" ;;
+      --user=*) user="$val"; SET_USER=1 ;;
+      --log[-_]basename=*|--hostname=*|--loose[-_]log[-_]basename=*)
+        pid_file="$val.pid";
+	err_log_base="$val";
+	;;
+
+      # these might have been set in a [mysqld_safe] section of my.cnf
+      # they are added to mysqld command line to override settings from my.cnf
+      --skip[-_]log[-_]error)
+        err_log=;
+        skip_err_log=1;
+        ;;
+      --log[-_]error=*)
+        err_log="$val";
+        skip_err_log=0;
+        ;;
+      --port=*) mysql_tcp_port="$val" ;;
+      --socket=*) mysql_unix_port="$val" ;;
+
+      # mysqld_safe-specific options - must be set in my.cnf ([mysqld_safe])!
+      --core[-_]file[-_]size=*) core_file_size="$val" ;;
+      --ledir=*) ledir="$val" ;;
+      --malloc[-_]lib=*) set_malloc_lib "$val" ;;
+      --crash[-_]script=*) crash_script="$val" ;;
+      --mysqld=*) MYSQLD="$val" ;;
+      --mysqld[-_]version=*)
+        if test -n "$val"
+        then
+          MYSQLD="mysqld-$val"
+          PLUGIN_VARIANT="/$val"
+        else
+          MYSQLD="mysqld"
+        fi
+        ;;
+      --dry[-_]run) dry_run=1 ;;
+      --nice=*) niceness="$val" ;;
+      --nowatch|--no[-_]watch|--no[-_]auto[-_]restart) nowatch=1 ;;
+      --open[-_]files[-_]limit=*) open_files="$val" ;;
+      --skip[-_]kill[-_]mysqld*) KILL_MYSQLD=0 ;;
+      --syslog) want_syslog=1 ;;
+      --skip[-_]syslog) want_syslog=0 ;;
+      --syslog[-_]tag=*) syslog_tag="$val" ;;
+      --timezone=*) TZ="$val"; export TZ; ;;
+      --flush[-_]caches) flush_caches=1 ;;
+      --numa[-_]interleave) numa_interleave=1 ;;
+      --wsrep[-_]on)
+        wsrep_on=1
+        append_arg_to_args "$arg"
+        ;;
+      --skip[-_]wsrep[-_]on)
+        wsrep_on=0
+        append_arg_to_args "$arg"
+        ;;
+      --wsrep[-_]on=*)
+        if echo $val | grep -iq '\(ON\|1\)'; then
+          wsrep_on=1
+        else
+          wsrep_on=0
+        fi
+        append_arg_to_args "$arg"
+        ;;
+      --wsrep[-_]urls=*) wsrep_urls="$val"; ;;
+      --wsrep[-_]provider=*)
+        if test -n "$val" && test "$val" != "none"
+        then
+          wsrep_restart=1
+        fi
+        append_arg_to_args "$arg"
+        ;;
+
+      --defaults-group-suffix=*) defaults_group_suffix="$arg" ;;
+
+      --help) usage ;;
+
+      *)
+        case "$unrecognized_handling" in
+          collect) append_arg_to_args "$arg" ;;
+          complain) log_error "unknown option '$arg'" ;;
+        esac
+    esac
+  done
+}
+
+
+# Add a single shared library to the list of libraries which will be added to
+# LD_PRELOAD for mysqld
+#
+# Since LD_PRELOAD is a space-separated value (for historical reasons), if a
+# shared lib's path contains spaces, that path will be prepended to
+# LD_LIBRARY_PATH and stripped from the lib value.
+add_mysqld_ld_preload() {
+  lib_to_add="$1"
+  log_notice "Adding '$lib_to_add' to LD_PRELOAD for mysqld"
+
+  case "$lib_to_add" in
+    *' '*)
+      # Must strip path from lib, and add it to LD_LIBRARY_PATH
+      lib_file=`basename "$lib_to_add"`
+      case "$lib_file" in
+        *' '*)
+          # The lib file itself has a space in its name, and can't
+          # be used in LD_PRELOAD
+          log_error "library name '$lib_to_add' contains spaces and can not be used with LD_PRELOAD"
+          exit 1
+          ;;
+      esac
+      lib_path=`dirname "$lib_to_add"`
+      lib_to_add="$lib_file"
+      [ -n "$mysqld_ld_library_path" ] && mysqld_ld_library_path="$mysqld_ld_library_path:"
+      mysqld_ld_library_path="$mysqld_ld_library_path$lib_path"
+      ;;
+  esac
+
+  # LD_PRELOAD is a space-separated
+  [ -n "$mysqld_ld_preload" ] && mysqld_ld_preload="$mysqld_ld_preload "
+  mysqld_ld_preload="${mysqld_ld_preload}$lib_to_add"
+}
+
+
+# Returns LD_PRELOAD (and LD_LIBRARY_PATH, if needed) text, quoted to be
+# suitable for use in the eval that calls mysqld.
+#
+# All values in mysqld_ld_preload are prepended to LD_PRELOAD.
+mysqld_ld_preload_text() {
+  text=
+
+  if [ -n "$mysqld_ld_preload" ]; then
+    new_text="$mysqld_ld_preload"
+    [ -n "$LD_PRELOAD" ] && new_text="$new_text $LD_PRELOAD"
+    text="${text}LD_PRELOAD="`shell_quote_string "$new_text"`' '
+  fi
+
+  if [ -n "$mysqld_ld_library_path" ]; then
+    new_text="$mysqld_ld_library_path"
+    [ -n "$LD_LIBRARY_PATH" ] && new_text="$new_text:$LD_LIBRARY_PATH"
+    text="${text}LD_LIBRARY_PATH="`shell_quote_string "$new_text"`' '
+  fi
+
+  echo "$text"
+}
+
+# set_malloc_lib LIB
+# - If LIB is empty, do nothing and return
+# - If LIB starts with 'tcmalloc' or 'jemalloc', look for the shared library
+#   using `ldconfig`.
+#   tcmalloc is part of the Google perftools project.
+# - If LIB is an absolute path, assume it is a malloc shared library
+#
+# Put LIB in mysqld_ld_preload, which will be added to LD_PRELOAD when
+# running mysqld.  See ld.so for details.
+set_malloc_lib() {
+  malloc_lib="$1"
+  if expr "$malloc_lib" : "\(tcmalloc\|jemalloc\)" > /dev/null ; then
+    export PATH=$PATH:/sbin
+    if ! command -v ldconfig > /dev/null 2>&1
+    then
+      log_error "ldconfig command not found, required for ldconfig -p"
+      exit 1
+    fi
+    # format from ldconfig:
+    # "libjemalloc.so.1 (libc6,x86-64) => /usr/lib/x86_64-linux-gnu/libjemalloc.so.1"
+    libmalloc_path="$(ldconfig -p | sed -n "/lib${malloc_lib}/p" | cut -d '>' -f2)"
+
+    if [ -z "$libmalloc_path" ]; then
+      log_error "no shared library for lib$malloc_lib.so.[0-9] found."
+      exit 1
+    fi
+
+    for f in $libmalloc_path; do
+      if [ -f "$f" ]; then
+        malloc_lib=$f # get the first path if many
+        break
+      fi
+    done
+  fi
+  # Allow --malloc-lib='' to override other settings
+  [ -z  "$malloc_lib" ] && return
+
+  case "$malloc_lib" in
+    /*)
+      if [ ! -r "$malloc_lib" ]; then
+        log_error "--malloc-lib '$malloc_lib' can not be read and will not be used"
+        exit 1
+      fi
+      ;;
+    *)
+      log_error "--malloc-lib must be an absolute path, 'tcmalloc' or " \
+      "'jemalloc'; ignoring value '$malloc_lib'"
+      exit 1
+      ;;
+  esac
+  add_mysqld_ld_preload "$malloc_lib"
+}
+
+
+#
+# First, try to find BASEDIR and ledir (where mysqld is)
+#
+
+MY_PWD=`dirname $0`
+MY_PWD=`cd "$MY_PWD"/.. && pwd`
+# Check for the directories we would expect from a binary release install
+if test -n "$MY_BASEDIR_VERSION" -a -d "$MY_BASEDIR_VERSION"
+then
+  # BASEDIR is already overridden on command line.  Do not re-set.
+
+  # Use BASEDIR to discover le.
+  if test -x "$MY_BASEDIR_VERSION/libexec/mariadbd"
+  then
+    ledir="$MY_BASEDIR_VERSION/libexec"
+  elif test -x "$MY_BASEDIR_VERSION/sbin/mariadbd"
+  then
+    ledir="$MY_BASEDIR_VERSION/sbin"
+  else
+    ledir="$MY_BASEDIR_VERSION/bin"
+  fi
+elif test -x "$MY_PWD/bin/mariadbd"
+then
+  MY_BASEDIR_VERSION="$MY_PWD"		# Where bin, share and data are
+  ledir="$MY_PWD/bin"			# Where mysqld is
+# Check for the directories we would expect from a source install
+elif test -x "$MY_PWD/libexec/mariadbd"
+then
+  MY_BASEDIR_VERSION="$MY_PWD"		# Where libexec, share and var are
+  ledir="$MY_PWD/libexec"		# Where mysqld is
+elif test -x "$MY_PWD/sbin/mariadbd"
+then
+  MY_BASEDIR_VERSION="$MY_PWD"		# Where sbin, share and var are
+  ledir="$MY_PWD/sbin"			# Where mysqld is
+# Since we didn't find anything, used the compiled-in defaults
+else
+  MY_BASEDIR_VERSION='@prefix@'
+  ledir='@libexecdir@'
+fi
+
+helper=`find_in_bin mysqld_safe_helper`
+print_defaults=`find_in_bin my_print_defaults`
+# Check if helper exists
+command -v $helper --help >/dev/null 2>&1
+helper_exist=$?
+#
+# Second, try to find the data directory
+#
+
+# Try where the binary installs put it
+if test -d $MY_BASEDIR_VERSION/data/mysql
+then
+  DATADIR=$MY_BASEDIR_VERSION/data
+# Next try where the source installs put it
+elif test -d $MY_BASEDIR_VERSION/var/mysql
+then
+  DATADIR=$MY_BASEDIR_VERSION/var
+# Or just give up and use our compiled-in default
+else
+  DATADIR=@localstatedir@
+fi
+
+if test -z "$MYSQL_HOME"
+then
+  if test -r "$DATADIR/my.cnf"
+  then
+    log_error "WARNING: Found $DATADIR/my.cnf
+The data directory is not a valid location for my.cnf, please move it to
+$MY_BASEDIR_VERSION/my.cnf"
+  fi
+  MYSQL_HOME=$MY_BASEDIR_VERSION
+fi
+export MYSQL_HOME
+
+append_arg_to_args () {
+  args="$args "`shell_quote_string "$1"`
+}
+
+args=
+
+# Get first arguments from the my.cnf file, groups [mysqld] and [server]
+# (and related) and then merge with the command line arguments
+
+SET_USER=2
+parse_arguments `$print_defaults $defaults --loose-verbose --mysqld`
+if test $SET_USER -eq 2
+then
+  SET_USER=0
+fi
+
+# If arguments come from [mysqld_safe] section of my.cnf
+# we complain about unrecognized options
+unrecognized_handling=complain
+parse_arguments `$print_defaults $defaults --loose-verbose mysqld_safe safe_mysqld mariadb_safe mariadbd-safe`
+
+# We only need to pass arguments through to the server if we don't
+# handle them here.  So, we collect unrecognized options (passed on
+# the command line) into the args variable.
+unrecognized_handling=collect
+parse_arguments "$@"
+
+
+#
+# Try to find the plugin directory
+#
+
+# Use user-supplied argument
+if [ -n "${PLUGIN_DIR}" ]; then
+  plugin_dir="${PLUGIN_DIR}"
+else
+  # Try to find plugin dir relative to basedir
+  for dir in lib64/mysql/plugin lib64/plugin lib/mysql/plugin lib/plugin
+  do
+    if [ -d "${MY_BASEDIR_VERSION}/${dir}" ]; then
+      plugin_dir="${MY_BASEDIR_VERSION}/${dir}"
+      break
+    fi
+  done
+  # Give up and use compiled-in default
+  if [ -z "${plugin_dir}" ]; then
+    plugin_dir='@pkgplugindir@'
+  fi
+fi
+plugin_dir="${plugin_dir}${PLUGIN_VARIANT}"
+
+# Determine what logging facility to use
+
+# Ensure that 'logger' exists, if it's requested
+if [ $want_syslog -eq 1 ]
+then
+  if ! command -v logger > /dev/null
+  then
+    log_error "--syslog requested, but no 'logger' program found.  Please ensure that 'logger' is in your PATH, or do not specify the --syslog option to mysqld_safe."
+    exit 1
+  fi
+fi
+
+if [ $skip_err_log -eq 1 ]
+then
+  append_arg_to_args "--skip-log-error"
+fi
+
+if [ -n "$err_log" -o $want_syslog -eq 0 ]
+then
+  if [ -n "$err_log" ]
+  then
+    # mysqld adds ".err" if there is no extension on the --log-error
+    # argument; must match that here, or mysqld_safe will write to a
+    # different log file than mysqld
+
+    # mysqld does not add ".err" to "--log-error=foo."; it considers a
+    # trailing "." as an extension
+
+    if expr "$err_log" : '.*\.[^/]*$' > /dev/null
+    then
+        :
+    else
+      err_log="$err_log".err
+    fi
+
+    case "$err_log" in
+      /* ) ;;
+      * ) err_log="$DATADIR/$err_log" ;;
+    esac
+  else
+    if [ -n "$err_log_base" ]
+    then
+      err_log=$err_log_base.err
+      case "$err_log" in
+        /* ) ;;
+        * ) err_log="$DATADIR/$err_log" ;;
+      esac
+    else
+      err_log=$DATADIR/`@HOSTNAME@`.err
+    fi
+  fi
+
+  append_arg_to_args "--log-error=$err_log"
+
+  if [ $want_syslog -eq 1 ]
+  then
+    # User explicitly asked for syslog, so warn that it isn't used
+    log_error "Can't log to error log and syslog at the same time.  Remove all --log-error configuration options for --syslog to take effect."
+    want_syslog=0
+  fi
+
+  # Log to err_log file
+  log_notice "Logging to '$err_log'."
+  logging=file
+
+else
+  if [ -n "$syslog_tag" ]
+  then
+    # Sanitize the syslog tag
+    syslog_tag=`echo "$syslog_tag" | sed -e 's/[^a-zA-Z0-9_-]/_/g'`
+    syslog_tag_mysqld_safe="${syslog_tag_mysqld_safe}-$syslog_tag"
+    syslog_tag_mysqld="${syslog_tag_mysqld}-$syslog_tag"
+  fi
+  log_notice "Logging to syslog."
+  logging=syslog
+fi
+
+USER_OPTION=""
+if test -w / -o "$USER" = "root"
+then
+  if test "$user" != "root" -o $SET_USER = 1
+  then
+    USER_OPTION="--user=$user"
+  fi
+  if test -n "$open_files"
+  then
+    ulimit -n $open_files
+  fi
+fi
+
+if test -n "$open_files"
+then
+  append_arg_to_args "--open-files-limit=$open_files"
+fi
+
+safe_mysql_unix_port=${mysql_unix_port:-${MYSQL_UNIX_PORT:-@MYSQL_UNIX_ADDR@}}
+# Make sure that directory for $safe_mysql_unix_port exists
+mysql_unix_port_dir=`dirname $safe_mysql_unix_port`
+if [ ! -d $mysql_unix_port_dir -a $dry_run -eq 0 ]
+then
+  if ! mkdir -p $mysql_unix_port_dir
+  then
+    log_error "Fatal error Can't create database directory '$mysql_unix_port'"
+    exit 1
+  fi
+  chown $user $mysql_unix_port_dir
+  chmod 755 $mysql_unix_port_dir
+fi
+
+# If the user doesn't specify a binary, we assume name "mariadbd"
+if test -z "$MYSQLD"
+then
+  MYSQLD=mariadbd
+fi
+
+if test ! -x "$ledir/$MYSQLD"
+then
+  log_error "The file $ledir/$MYSQLD
+does not exist or is not executable. Please cd to the mysql installation
+directory and restart this script from there as follows:
+./bin/mysqld_safe&
+See https://mariadb.com/kb/en/mysqld_safe for more information"
+  exit 1
+fi
+
+if test -z "$pid_file"
+then
+  pid_file="`@HOSTNAME@`.pid"
+fi
+# MariaDB wants pid file without datadir
+append_arg_to_args "--pid-file=$pid_file"
+case "$pid_file" in
+  /* ) ;;
+  * )  pid_file="$DATADIR/$pid_file" ;;
+esac
+
+if test -n "$mysql_unix_port"
+then
+  append_arg_to_args "--socket=$mysql_unix_port"
+fi
+if test -n "$mysql_tcp_port"
+then
+  append_arg_to_args "--port=$mysql_tcp_port"
+fi
+
+if test $niceness -eq 0
+then
+  NOHUP_NICENESS="nohup"
+else
+  NOHUP_NICENESS="nohup nice -$niceness"
+fi
+
+# Using nice with no args to get the niceness level is GNU-specific.
+# This check could be extended for other operating systems (e.g.,
+# BSD could use "nohup sh -c 'ps -o nice -p $$' | tail -1").
+# But, it also seems that GNU nohup is the only one which messes
+# with the priority, so this is okay.
+if nohup nice > /dev/null 2>&1
+then
+    normal_niceness=`nice`
+    nohup_niceness=`nohup nice 2>/dev/null`
+
+    numeric_nice_values=1
+    for val in $normal_niceness $nohup_niceness
+    do
+        case "$val" in
+            -[0-9] | -[0-9][0-9] | -[0-9][0-9][0-9] | \
+             [0-9] |  [0-9][0-9] |  [0-9][0-9][0-9] )
+                ;;
+            * )
+                numeric_nice_values=0 ;;
+        esac
+    done
+
+    if test $numeric_nice_values -eq 1
+    then
+        nice_value_diff=`expr $nohup_niceness - $normal_niceness`
+        if test $? -eq 0 && test $nice_value_diff -gt 0 && \
+            nice --$nice_value_diff echo testing > /dev/null 2>&1
+        then
+            # nohup increases the priority (bad), and we are permitted
+            # to lower the priority with respect to the value the user
+            # might have been given
+            niceness=`expr $niceness - $nice_value_diff`
+            NOHUP_NICENESS="nice -$niceness nohup"
+        fi
+    fi
+else
+    if nohup echo testing > /dev/null 2>&1
+    then
+        :
+    else
+        # nohup doesn't work on this system
+        NOHUP_NICENESS=""
+    fi
+fi
+
+# Try to set the core file size (even if we aren't root) because many systems
+# don't specify a hard limit on core file size.
+if test -n "$core_file_size"
+then
+  ulimit -c $core_file_size
+fi
+
+#
+# If there exists an old pid file, check if the daemon is already running
+# Note: The switches to 'ps' may depend on your operating system
+if test -f "$pid_file" && [ $dry_run -eq 0 ]
+then
+  PID=`cat "$pid_file"`
+  if @CHECK_PID@
+  then
+    if @FIND_PROC@
+    then    # The pid contains a mysqld process
+      log_error "A mysqld process already exists"
+      exit 1
+    fi
+  fi
+  rm -f "$pid_file"
+  if test -f "$pid_file"
+  then
+    log_error "Fatal error: Can't remove the pid file:
+$pid_file
+Please remove it manually and start $0 again;
+mysqld daemon not started"
+    exit 1
+  fi
+fi
+
+#
+# Flush and purge buffers/caches.
+#
+
+if @TARGET_LINUX@ && test $flush_caches -eq 1
+then
+  # Locate sync, ensure it exists.
+  if ! command -v sync > /dev/null
+  then
+    log_error "sync command not found, required for --flush-caches"
+    exit 1
+  # Flush file system buffers.
+  elif ! sync
+  then
+    # Huh, the sync() function is always successful...
+    log_error "sync failed, check if sync is properly installed"
+  fi
+
+  # Locate sysctl, ensure it exists.
+  if ! command -v sysctl > /dev/null
+  then
+    log_error "sysctl command not found, required for --flush-caches"
+    exit 1
+  # Purge page cache, dentries and inodes.
+  elif ! sysctl -q -w vm.drop_caches=3
+  then
+    log_error "sysctl failed, check the error message for details"
+    exit 1
+  fi
+elif test $flush_caches -eq 1
+then
+  log_error "--flush-caches is not supported on this platform"
+  exit 1
+fi
+
+#
+# Uncomment the following lines if you want all tables to be automatically
+# checked and repaired during startup. You should add sensible key_buffer
+# and sort_buffer values to my.cnf to improve check performance or require
+# less disk space.
+# Alternatively, you can start mysqld with the "myisam-recover" option. See
+# the manual for details.
+#
+# echo "Checking tables in $DATADIR"
+# $MY_BASEDIR_VERSION/bin/myisamchk --silent --force --fast --medium-check $DATADIR/*/*.MYI
+# $MY_BASEDIR_VERSION/bin/isamchk --silent --force $DATADIR/*/*.ISM
+
+# Does this work on all systems?
+#if type ulimit | grep "shell builtin" > /dev/null
+#then
+#  ulimit -n 256 > /dev/null 2>&1		# Fix for BSD and FreeBSD systems
+#fi
+
+cmd="`mysqld_ld_preload_text`$NOHUP_NICENESS"
+[ $dry_run -eq 1 ] && cmd=''
+
+#
+# Set mysqld's memory interleave policy.
+#
+
+if @TARGET_LINUX@ && test $numa_interleave -eq 1
+then
+  # Locate numactl, ensure it exists.
+  if ! command -v numactl > /dev/null
+  then
+    log_error "numactl command not found, required for --numa-interleave"
+    exit 1
+  # Attempt to run a command, ensure it works.
+  elif ! numactl --interleave=all true
+  then
+    log_error "numactl failed, check if numactl is properly installed"
+  fi
+
+  # Launch mysqld with numactl.
+  [ $dry_run -eq 0 ] && cmd="$cmd numactl --interleave=all"
+elif test $numa_interleave -eq 1
+then
+  log_error "--numa-interleave is not supported on this platform"
+  exit 1
+fi
+
+for i in  "$ledir/$MYSQLD" "$defaults_group_suffix" "$defaults" "--basedir=$MY_BASEDIR_VERSION" \
+  "--datadir=$DATADIR" "--plugin-dir=$plugin_dir" "$USER_OPTION"
+do
+  cmd="$cmd "`shell_quote_string "$i"`
+done
+cmd="$cmd $args"
+
+if [ $dry_run -eq 1 ]
+then
+  # RETURN or EXIT depending if the script is being sourced or not.
+  (return 2> /dev/null) && return || exit
+fi
+
+
+# Avoid 'nohup: ignoring input' warning
+test -n "$NOHUP_NICENESS" && cmd="$cmd < /dev/null"
+log_notice "Starting $MYSQLD daemon with databases from $DATADIR"
+
+# variable to track the current number of "fast" (a.k.a. subsecond) restarts
+fast_restart=0
+# maximum number of restarts before trottling kicks in
+max_fast_restarts=5
+# flag whether a usable sleep command exists
+have_sleep=1
+
+# close stdout and stderr, everything goes to $logging now
+if expr "${-}" : '.*x' > /dev/null
+then
+  :
+else
+  exec 1>/dev/null
+  exec 2>/dev/null
+fi
+
+# maximum number of wsrep restarts
+max_wsrep_restarts=0
+
+while true
+do
+  rm -f "$pid_file"	# Some extra safety
+
+  start_time=`date +%M%S`
+
+  # Perform wsrep position recovery if wsrep_on=1, skip otherwise.
+  if test $wsrep_on -eq 1
+  then
+    # this sets wsrep_start_position_opt
+    wsrep_recover_position "$cmd"
+
+    [ $? -ne 0 ] && exit 1 #
+
+    [ -n "$wsrep_urls" ] && url=`wsrep_pick_url $wsrep_urls` # check connect address
+
+    if [ -z "$url" ]
+    then
+      eval_log_error "$cmd $wsrep_start_position_opt"
+    else
+      eval_log_error "$cmd $wsrep_start_position_opt --wsrep_cluster_address=$url"
+    fi
+  else
+    eval_log_error "$cmd"
+  fi
+  end_time=`date +%M%S`
+
+  if test ! -f "$pid_file"		# This is removed if normal shutdown
+  then
+    break
+  fi
+
+
+  # sanity check if time reading is sane and there's sleep
+  if test $end_time -gt 0 -a $have_sleep -gt 0
+  then
+    # throttle down the fast restarts
+    if test $end_time -eq $start_time
+    then
+      fast_restart=`expr $fast_restart + 1`
+      if test $fast_restart -ge $max_fast_restarts
+      then
+        log_notice "The server is respawning too fast. Sleeping for 1 second."
+        sleep 1
+        sleep_state=$?
+        if test $sleep_state -gt 0
+        then
+          log_notice "The server is respawning too fast and no working sleep command. Turning off trottling."
+          have_sleep=0
+        fi
+
+        fast_restart=0
+      fi
+    else
+      fast_restart=0
+    fi
+  fi
+
+  if @TARGET_LINUX@ && test $KILL_MYSQLD -eq 1
+  then
+    # Test if one process was hanging.
+    # This is only a fix for Linux (running as base 3 mysqld processes)
+    # but should work for the rest of the servers.
+    # The only thing is ps x => redhat 5 gives warnings when using ps -x.
+    # kill -9 is used or the process won't react on the kill.
+    numofproces=`ps xaww | grep -v "grep" | grep "$ledir/$MYSQLD\>" | grep -c "pid-file=$pid_file"`
+
+    log_notice "Number of processes running now: $numofproces"
+    I=1
+    while test "$I" -le "$numofproces"
+    do
+      PROC=`ps xaww | grep "$ledir/$MYSQLD\>" | grep -v "grep" | grep "pid-file=$pid_file" | sed -n '$p'`
+
+      for T in $PROC
+      do
+        break
+      done
+      #    echo "TEST $I - $T **"
+      if kill -9 $T
+      then
+        log_error "$MYSQLD process hanging, pid $T - killed"
+      else
+        break
+      fi
+      I=`expr $I + 1`
+    done
+  fi
+
+  if [ -n "$wsrep_restart" ]
+  then
+    if [ $wsrep_restart -le $max_wsrep_restarts ]
+    then
+      wsrep_restart=`expr $wsrep_restart + 1`
+      log_notice "WSREP: sleeping 15 seconds before restart"
+      sleep 15
+    else
+      log_notice "WSREP: not restarting wsrep node automatically"
+      break
+    fi
+  fi
+
+  log_notice "mysqld restarted"
+  if test -n "$crash_script"
+  then
+    crash_script_output=`$crash_script 2>&1`
+    log_error "$crash_script_output"
+  fi
+done
+
+log_notice "mysqld from pid file $pid_file ended"