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wsrep_sst_common.sh
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# Copyright (C) 2017-2024 MariaDB
# Copyright (C) 2012-2015 Codership Oy
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; see the file COPYING. If not, write to the
# Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston
# MA 02110-1335 USA.
# This is a common command line parser and common functions to
# be sourced by other SST scripts.
trap 'exit 32' HUP PIPE
trap 'exit 3' INT QUIT TERM
OS="$(uname)"
# Setting the paths for some utilities on CentOS
export PATH="${PATH:+$PATH:}/usr/local/bin:/usr/local/sbin:/usr/bin:/bin:/usr/sbin:/sbin"
if [ "$OS" != 'Darwin' ]; then
export LD_LIBRARY_PATH="${LD_LIBRARY_PATH:+$LD_LIBRARY_PATH:}/usr/local/lib:/usr/lib:/lib:/opt/lib"
fi
commandex()
{
if [ -n "$BASH_VERSION" ]; then
command -v "$1" || :
elif [ -x "$1" ]; then
echo "$1"
else
which "$1" || :
fi
}
with_bash_42=0
with_printf=1
if [ -z "$BASH_VERSION" ]; then
[ -z "$(commandex printf)" ] && with_printf=0
else
[ "${BASH_VERSINFO[0]}" -eq 4 -a "${BASH_VERSINFO[1]}" -ge 2 -o \
"${BASH_VERSINFO[0]}" -gt 4 ] && with_bash_42=1
fi
wsrep_log()
{
local t
# echo everything to stderr so that it gets into common error log
# deliberately made to look different from the rest of the log
if [ "$OS" = 'Linux' ]; then
t=$(date '+%Y%m%d %H:%M:%S.%3N')
elif [ $with_bash_42 -ne 0 ]; then
printf -v t '%(%Y%m%d %H:%M:%S)T.000'
else
t=$(date '+%Y%m%d %H:%M:%S.000')
fi
echo "WSREP_SST: $* ($t)" >&2
}
wsrep_log_error()
{
wsrep_log "[ERROR] $*"
}
wsrep_log_warning()
{
wsrep_log "[WARNING] $*"
}
wsrep_log_info()
{
wsrep_log "[INFO] $*"
}
trim_string()
{
if [ -n "$BASH_VERSION" ]; then
local pattern="[![:space:]${2:-}]"
local x="${1#*$pattern}"
local z=${#1}
x=${#x}
if [ $x -ne $z ]; then
local y="${1%$pattern*}"
y=${#y}
x=$(( z-x-1 ))
y=$(( y-x+1 ))
echo "${1:$x:$y}"
else
echo ''
fi
else
local pattern="[[:space:]${2:-}]"
echo "$1" | sed -E "s/^$pattern+|$pattern+\$//g"
fi
}
trim_dir()
{
if [ -n "$BASH_VERSION" ]; then
local pattern="![:space:]${2:-}"
local x="${1#*[$pattern]}"
local z=${#1}
x=${#x}
if [ $x -ne $z ]; then
local y="${1%[$pattern/]*}"
y=${#y}
x=$(( z-x-1 ))
y=$(( y-x+1 ))
x="${1:$x:$y}"
[ -z "$x" ] && x='.'
echo "$x"
else
echo ''
fi
else
local pattern="[:space:]${2:-}"
local x=$(echo "$1" | sed -E "s/^[$pattern]+|[$pattern/]+\$//g")
if [ -n "$x" ]; then
echo "$x"
elif "${1#*/}" != "$1"; then
echo '.'
else
echo ''
fi
fi
}
trim_right()
{
if [ -n "$BASH_VERSION" ]; then
local pattern="[![:space:]${2:-}]"
local z=${#1}
local y="${1%$pattern*}"
y=${#y}
if [ $y -ne $z ]; then
y=$(( y+1 ))
echo "${1:0:$y}"
else
echo ''
fi
else
local pattern="[[:space:]${2:-}]"
echo "$1" | sed -E "s/$pattern+\$//g"
fi
}
trim_left()
{
if [ -n "$BASH_VERSION" ]; then
local pattern="[![:space:]${2:-}]"
local x="${1#*$pattern}"
local z=${#1}
x=${#x}
if [ $x -ne $z ]; then
x=$(( z-x-1 ))
echo "${1:$x:$z}"
else
echo ''
fi
else
local pattern="[[:space:]${2:-}]"
echo "$1" | sed -E "s/^$pattern+//g"
fi
}
to_minuses()
{
local x="$1"
local t="${1#*_}"
local r=""
while [ "$t" != "$x" ]; do
r="$r${x%%_*}-"
x="$t"
t="${t#*_}"
done
echo "$r$x"
}
WSREP_SST_OPT_BYPASS=0
WSREP_SST_OPT_PROGRESS=0
WSREP_SST_OPT_BINLOG=""
WSREP_SST_OPT_BINLOG_INDEX=""
WSREP_SST_OPT_LOG_BASENAME=""
WSREP_SST_OPT_DATA=""
WSREP_SST_OPT_AUTH="${WSREP_SST_OPT_AUTH:-}"
WSREP_SST_OPT_USER="${WSREP_SST_OPT_USER:-}"
WSREP_SST_OPT_PSWD="${WSREP_SST_OPT_PSWD:-}"
WSREP_SST_OPT_DEFAULT=""
WSREP_SST_OPT_DEFAULTS=""
WSREP_SST_OPT_EXTRA_DEFAULT=""
WSREP_SST_OPT_EXTRA_DEFAULTS=""
WSREP_SST_OPT_SUFFIX_DEFAULT=""
WSREP_SST_OPT_SUFFIX_VALUE=""
WSREP_SST_OPT_MYSQLD=""
WSREP_SST_OPT_PORT=""
WSREP_SST_OPT_ADDR=""
WSREP_SST_OPT_ADDR_PORT=""
WSREP_SST_OPT_HOST=""
WSREP_SST_OPT_HOST_UNESCAPED=""
ARIA_LOG_DIR=""
INNODB_DATA_HOME_DIR=$(trim_dir "${INNODB_DATA_HOME_DIR:-}")
INNODB_LOG_GROUP_HOME=$(trim_dir "${INNODB_LOG_GROUP_HOME:-}")
INNODB_UNDO_DIR=$(trim_dir "${INNODB_UNDO_DIR:-}")
INNODB_BUFFER_POOL=""
INNODB_BUFFER_POOL_SIZE=""
INNODB_FORCE_RECOVERY=""
INNOEXTRA=""
while [ $# -gt 0 ]; do
case "$1" in
'--address')
WSREP_SST_OPT_ADDR=$(trim_string "$2")
#
# Break address string into host:port/path parts
#
case "$WSREP_SST_OPT_ADDR" in
\[*)
# IPv6
# Remove the starting and ending square brackets, if present:
addr="${WSREP_SST_OPT_ADDR#\[}"
addr=$(trim_right "${addr%%\]*}")
# Some utilities and subsequent code require an address
# without square brackets:
readonly WSREP_SST_OPT_HOST_UNESCAPED="$addr"
# Square brackets are needed in most cases:
readonly WSREP_SST_OPT_HOST="[$addr]"
# Mark this address as IPv6:
readonly WSREP_SST_OPT_HOST_IPv6=1
# Let's remove the leading part that contains the host address:
remain="${WSREP_SST_OPT_ADDR#*\]}"
;;
*)
addr=$(trim_right "${WSREP_SST_OPT_ADDR%%[:/]*}")
readonly WSREP_SST_OPT_HOST="$addr"
readonly WSREP_SST_OPT_HOST_UNESCAPED="$addr"
readonly WSREP_SST_OPT_HOST_IPv6=0
# Let's remove the leading part that contains the host address:
remain="${WSREP_SST_OPT_ADDR#*[:/]}"
;;
esac
# If there is nothing but the address, then the remainder is empty:
[ "$remain" = "$WSREP_SST_OPT_ADDR" ] && remain=""
# Let's remove the ":" character that separates the port number
# from the hostname:
remain="${remain#:}"
# Extract the port number from the address - all characters
# up to "/" (if present):
WSREP_SST_OPT_ADDR_PORT="${remain%%/*}"
# If the "/" character is present, then the path is not empty:
if [ "$WSREP_SST_OPT_ADDR_PORT" != "$remain" ]; then
# This operation removes everything up to the "/" character,
# effectively removing the port number from the string:
readonly WSREP_SST_OPT_PATH="${remain#*/}"
else
readonly WSREP_SST_OPT_PATH=""
fi
WSREP_SST_OPT_ADDR_PORT=$(trim_right "$WSREP_SST_OPT_ADDR_PORT")
# Remove the module name part from the string, which ends with "/":
remain="${WSREP_SST_OPT_PATH#*/}"
# This operation removes the tail after the very first occurrence
# of the "/" character, inclusively:
readonly WSREP_SST_OPT_MODULE=$(trim_right "${WSREP_SST_OPT_PATH%%/*}")
# If there is one more "/" in the string, then everything before
# it will be the LSN, otherwise the LSN is empty:
if [ "$remain" != "$WSREP_SST_OPT_PATH" ]; then
# Extract the part that matches the LSN by removing all
# characters starting from the very first "/":
readonly WSREP_SST_OPT_LSN=$(trim_right "${remain%%/*}")
# Exctract everything after the first occurrence of
# the "/" character in the string:
source="$remain"
remain="${remain#*/}"
# If the remainder does not match the original string,
# then there is something else (the version number in
# our case):
if [ "$remain" != "$source" ]; then
# Let's extract the version number by removing the tail
# after the very first occurence of the "/" character
# (inclusively):
readonly WSREP_SST_OPT_SST_VER=$(trim_right "${remain%%/*}")
else
readonly WSREP_SST_OPT_SST_VER=""
fi
else
readonly WSREP_SST_OPT_LSN=""
readonly WSREP_SST_OPT_SST_VER=""
fi
shift
;;
'--bypass')
readonly WSREP_SST_OPT_BYPASS=1
;;
'--progress')
readonly WSREP_SST_OPT_PROGRESS=$(( $2 ))
shift
;;
'--datadir')
# Let's remove the trailing slash:
readonly WSREP_SST_OPT_DATA=$(trim_dir "$2")
shift
;;
'--aria-log-dir-path')
# Let's remove the trailing slash:
readonly ARIA_LOG_DIR=$(trim_dir "$2")
shift
;;
'--innodb-data-home-dir')
# Let's remove the trailing slash:
readonly INNODB_DATA_HOME_DIR=$(trim_dir "$2")
shift
;;
'--innodb-log-group-home-dir')
# Let's remove the trailing slash:
readonly INNODB_LOG_GROUP_HOME=$(trim_dir "$2")
shift
;;
'--innodb-undo-directory')
# Let's remove the trailing slash:
readonly INNODB_UNDO_DIR=$(trim_dir "$2")
shift
;;
'--innodb-buffer-pool-filename')
readonly INNODB_BUFFER_POOL=$(trim_string "$2")
shift
;;
'--innodb-buffer-pool-size')
readonly INNODB_BUFFER_POOL_SIZE=$(trim_string "$2")
shift
;;
'--defaults-file')
file=$(trim_string "$2")
readonly WSREP_SST_OPT_DEFAULT="$1=$file"
readonly WSREP_SST_OPT_DEFAULTS="$1='$file'"
shift
;;
'--defaults-extra-file')
file=$(trim_string "$2")
readonly WSREP_SST_OPT_EXTRA_DEFAULT="$1=$file"
readonly WSREP_SST_OPT_EXTRA_DEFAULTS="$1='$file'"
shift
;;
'--defaults-group-suffix')
suffix=$(trim_string "$2")
readonly WSREP_SST_OPT_SUFFIX_DEFAULT="$1=$suffix"
readonly WSREP_SST_OPT_SUFFIX_VALUE="$suffix"
shift
;;
'--host')
addr=$(trim_string "$2")
case "$addr" in
\[*)
# IPv6
# Remove the starting and ending square brackets, if present:
addr="${addr#\[}"
addr=$(trim_right "${addr%%\]*}")
# Some utilities and subsequent code require an address
# without square brackets:
readonly WSREP_SST_OPT_HOST_UNESCAPED="$addr"
# Square brackets are needed in most cases:
readonly WSREP_SST_OPT_HOST="[$addr]"
# Mark this address as IPv6:
readonly WSREP_SST_OPT_HOST_IPv6=1
;;
*)
readonly WSREP_SST_OPT_HOST="$addr"
readonly WSREP_SST_OPT_HOST_UNESCAPED="$addr"
readonly WSREP_SST_OPT_HOST_IPv6=0
;;
esac
WSREP_SST_OPT_ADDR="$addr"
shift
;;
'--local-port')
readonly WSREP_SST_OPT_LPORT=$(( $2 ))
shift
;;
'--parent')
readonly WSREP_SST_OPT_PARENT=$(( $2 ))
shift
;;
'--password')
WSREP_SST_OPT_PSWD="$2"
shift
;;
'--port')
readonly WSREP_SST_OPT_PORT=$(( $2 ))
shift
;;
'--role')
readonly WSREP_SST_OPT_ROLE=$(trim_string "$2")
shift
;;
'--socket')
readonly WSREP_SST_OPT_SOCKET=$(trim_string "$2")
shift
;;
'--user')
WSREP_SST_OPT_USER="$2"
shift
;;
'--gtid')
readonly WSREP_SST_OPT_GTID=$(trim_string "$2")
shift
;;
'--binlog'|'--log-bin')
readonly WSREP_SST_OPT_BINLOG=$(trim_string "$2")
shift
;;
'--binlog-index'|'--log-bin-index')
WSREP_SST_OPT_BINLOG_INDEX=$(trim_string "$2")
shift
;;
'--log-basename')
readonly WSREP_SST_OPT_LOG_BASENAME=$(trim_string "$2")
shift
;;
'--gtid-domain-id')
readonly WSREP_SST_OPT_GTID_DOMAIN_ID=$(trim_string "$2")
shift
;;
'--mysqld-args')
original_cmd=""
shift
cmd_tail=0
while [ $# -gt 0 ]; do
lname="${1#--}"
# "--" is interpreted as the end of the list of options:
if [ -z "$lname" ]; then
shift
if [ $# -gt 0 ]; then
# copy "--" to the output string:
original_cmd="$original_cmd --"
# All other arguments must be copied unchanged:
while [ $# -gt 0 ]; do
original_cmd="$original_cmd '$1'"
shift
done
fi
break
fi
# Make sure the argument does not start with "--", otherwise it
# is a long option, which is processed after this "if":
if [ "$lname" = "$1" ]; then
# Check if the argument is the short option or the short
# options list, starting with "-":
options="${1#-}"
if [ "$options" != "$1" -a -n "$options" ]; then
slist=""
while [ -n "$options" ]; do
# Let's separate the first character as the current
# option name:
if [ -n "$BASH_VERSION" ]; then
option="${options:0:1}"
elif [ $with_printf -ne 0 ]; then
option=$(printf '%.1s' "$options")
else
# If it's not bash and without printf,
# then we need to use slow external utilities:
option=$(echo "$options" | cut -c1)
fi
# And the subsequent characters consider option value:
value=""
if [ ${#options} -gt 0 ]; then
value="${options#?}"
fi
# Check for options without argument:
if [ "$option" != '?' -a \
"$option" != 'a' -a \
"$option" != 's' -a \
"$option" != 'v' ]
then
# If the option value is absent, then check
# the following argument:
if [ -z "$value" -a $# -gt 1 ]; then
# if the next argument does not start with
# the "-" character, then next argument is
# the current option value:
if [ "${2#-}" = "$2" ]; then
shift
value="$1"
elif [ "$2" = '--' ]; then
shift
if [ $# -gt 1 ]; then
cmd_tail=1
shift
value="$1"
fi
fi
fi
if [ "$option" = 'h' ]; then
if [ -z "$WSREP_SST_OPT_DATA" ]; then
MYSQLD_OPT_DATADIR=$(trim_dir "$value")
fi
elif [ "$option" != 'u' -a \
"$option" != 'P' ]
then
if [ $cmd_tail -ne 0 ]; then
option="$option --"
fi
if [ -z "$value" ]; then
slist="$slist$option"
elif [ -z "$slist" ]; then
slist="$option '$value'"
else
slist="$slist -$option '$value'"
fi
break
fi
if [ $cmd_tail -ne 0 ]; then
if [ -n "$slist" ]; then
slist="$slist --"
else
slist='-'
fi
fi
break
else
slist="$slist$option"
fi
options="$value"
done
if [ -n "$slist" ]; then
original_cmd="$original_cmd -$slist"
fi
elif [ -z "$options" ]; then
# We found an minus sign without any characters after it:
original_cmd="$original_cmd -"
else
# We found a value that does not start with a minus -
# it is a positional argument or the value of previous
# option. Copy it to output string (as is):
original_cmd="$original_cmd '$1'"
fi
shift
if [ $cmd_tail -ne 0 ]; then
# All other arguments must be copied unchanged:
while [ $# -gt 0 ]; do
original_cmd="$original_cmd '$1'"
shift
done
break
fi
continue
fi
# Now we are sure that we are working with an option
# that has a "long" name, so remove all characters after
# the first equal sign:
option="${1%%=*}"
# If the option name contains underscores, then replace
# them to minuses:
if [ "${option#*_}" != "$option" ]; then
option=$(to_minuses "$option")
fi
# The "--loose-" prefix should not affect the recognition
# of the option name:
if [ "${option#--loose-}" != "$option" ]; then
option="--${option#--loose-}"
fi
# Some options just need to be removed from the list:
if [ "$option" != '--defaults-file' -a \
"$option" != '--defaults-extra-file' -a \
"$option" != '--defaults-group-suffix' -a \
"$option" != '--user' -a \
"$option" != '--port' -a \
"$option" != '--socket' ]; then
value="${1#*=}"
if [ "$value" = "$1" ]; then
value=""
fi
# Let's fill in the variables containing important paths
# that might not have been passed through explicit parameters
# (+ removing the trailing slash in these paths). Many of these
# options are processed internally within scripts or passed
# explicitly to other programs, so we need to remove them
# from mysqld's argument list:
skip_mysqld_arg=0
case "$option" in
'--aria-log-dir-path')
if [ -z "$ARIA_LOG_DIR" ]; then
MYSQLD_OPT_ARIA_LOG_DIR=$(trim_dir "$value")
fi
skip_mysqld_arg=1
;;
'--innodb-data-home-dir')
if [ -z "$INNODB_DATA_HOME_DIR" ]; then
MYSQLD_OPT_INNODB_DATA_HOME_DIR=$(trim_dir "$value")
fi
skip_mysqld_arg=1
;;
'--innodb-log-group-home-dir')
if [ -z "$INNODB_LOG_GROUP_HOME" ]; then
MYSQLD_OPT_INNODB_LOG_GROUP_HOME=$(trim_dir "$value")
fi
skip_mysqld_arg=1
;;
'--innodb-undo-directory')
if [ -z "$INNODB_UNDO_DIR" ]; then
MYSQLD_OPT_INNODB_UNDO_DIR=$(trim_dir "$value")
fi
skip_mysqld_arg=1
;;
'--innodb-buffer-pool-filename')
if [ -z "$INNODB_BUFFER_POOL" ]; then
MYSQLD_OPT_INNODB_BUFFER_POOL=$(trim_string "$value")
fi
skip_mysqld_arg=1
;;
'--innodb-buffer-pool-size')
if [ -z "$INNODB_BUFFER_POOL_SIZE" ]; then
MYSQLD_OPT_INNODB_BUFFER_POOL_SIZE=$(trim_string "$value")
fi
skip_mysqld_arg=1
;;
'--innodb-force-recovery')
if [ -n "$value" -a "$value" != "0" ]; then
INNODB_FORCE_RECOVERY=$(trim_string "$value")
fi
skip_mysqld_arg=1
;;
'--log-bin')
if [ -z "$WSREP_SST_OPT_BINLOG" ]; then
MYSQLD_OPT_LOG_BIN=$(trim_string "$value")
fi
skip_mysqld_arg=1
;;
'--log-bin-index')
if [ -z "$WSREP_SST_OPT_BINLOG_INDEX" ]; then
MYSQLD_OPT_LOG_BIN_INDEX=$(trim_string "$value")
fi
skip_mysqld_arg=1
;;
'--log-basename')
if [ -z "$WSREP_SST_OPT_LOG_BASENAME" ]; then
MYSQLD_OPT_LOG_BASENAME=$(trim_string "$value")
fi
skip_mysqld_arg=1
;;
'--datadir')
if [ -z "$WSREP_SST_OPT_DATA" ]; then
MYSQLD_OPT_DATADIR=$(trim_dir "$value")
fi
skip_mysqld_arg=1
;;
esac
if [ $skip_mysqld_arg -eq 0 ]; then
original_cmd="$original_cmd '$1'"
fi
fi
shift
done
WSREP_SST_OPT_MYSQLD="${original_cmd# *}"
break
;;
*) # Must be command usage
# exit 1
;;
esac
shift
done
WSREP_TRANSFER_TYPE='SST'
[ $WSREP_SST_OPT_BYPASS -ne 0 ] && readonly WSREP_TRANSFER_TYPE='IST'
# Let's take the name of the current script as a base,
# removing the directory, extension and "wsrep_sst_" prefix:
WSREP_METHOD="${0##*/}"
WSREP_METHOD="${WSREP_METHOD%.*}"
readonly WSREP_METHOD="${WSREP_METHOD#wsrep_sst_}"
if [ -n "${WSREP_SST_OPT_ROLE+x}" ]; then
if [ "$WSREP_SST_OPT_ROLE" != 'donor' -a \
"$WSREP_SST_OPT_ROLE" != 'joiner' ]
then
wsrep_log_error "Unrecognized role: '$WSREP_SST_OPT_ROLE'"
exit 22 # EINVAL
fi
else
readonly WSREP_SST_OPT_ROLE='donor'
fi
readonly WSREP_SST_OPT_PROGRESS
# The same argument can be present on the command line several
# times, in this case we must take its last value:
if [ -n "${MYSQLD_OPT_ARIA_LOG_DIR:-}" -a \
-z "$ARIA_LOG_DIR" ]; then
readonly ARIA_LOG_DIR="$MYSQLD_OPT_ARIA_LOG_DIR"
fi
if [ -n "${MYSQLD_OPT_INNODB_DATA_HOME_DIR:-}" -a \
-z "$INNODB_DATA_HOME_DIR" ]; then
readonly INNODB_DATA_HOME_DIR="$MYSQLD_OPT_INNODB_DATA_HOME_DIR"
fi
if [ -n "${MYSQLD_OPT_INNODB_LOG_GROUP_HOME:-}" -a \
-z "$INNODB_LOG_GROUP_HOME" ]; then
readonly INNODB_LOG_GROUP_HOME="$MYSQLD_OPT_INNODB_LOG_GROUP_HOME"
fi
if [ -n "${MYSQLD_OPT_INNODB_UNDO_DIR:-}" -a \
-z "$INNODB_UNDO_DIR" ]; then
readonly INNODB_UNDO_DIR="$MYSQLD_OPT_INNODB_UNDO_DIR"
fi
if [ -n "${MYSQLD_OPT_INNODB_BUFFER_POOL:-}" -a \
-z "$INNODB_BUFFER_POOL" ]; then
readonly INNODB_BUFFER_POOL="$MYSQLD_OPT_INNODB_BUFFER_POOL"
fi
if [ -n "${MYSQLD_OPT_INNODB_BUFFER_POOL_SIZE:-}" -a \
-z "$INNODB_BUFFER_POOL_SIZE" ]; then
readonly INNODB_BUFFER_POOL_SIZE="$MYSQLD_OPT_INNODB_BUFFER_POOL_SIZE"
fi
if [ -n "${MYSQLD_OPT_LOG_BIN:-}" -a \
-z "$WSREP_SST_OPT_BINLOG" ]; then
readonly WSREP_SST_OPT_BINLOG="$MYSQLD_OPT_LOG_BIN"
fi
if [ -n "${MYSQLD_OPT_LOG_BIN_INDEX:-}" -a \
-z "$WSREP_SST_OPT_BINLOG_INDEX" ]; then
WSREP_SST_OPT_BINLOG_INDEX="$MYSQLD_OPT_LOG_BIN_INDEX"
fi
if [ -n "${MYSQLD_OPT_DATADIR:-}" -a \
-z "$WSREP_SST_OPT_DATA" ]; then
readonly WSREP_SST_OPT_DATA="$MYSQLD_OPT_DATADIR"
fi
if [ -n "${MYSQLD_OPT_LOG_BASENAME:-}" -a \
-z "$WSREP_SST_OPT_LOG_BASENAME" ]; then
readonly WSREP_SST_OPT_LOG_BASENAME="$MYSQLD_OPT_LOG_BASENAME"
fi
# If the --log-bin option is present without a value, then
# set WSREP_SST_OPT_BINLOG value using other arguments:
if [ -z "$WSREP_SST_OPT_BINLOG" -a -n "${MYSQLD_OPT_LOG_BIN+x}" ]; then
if [ -n "$WSREP_SST_OPT_LOG_BASENAME" ]; then
# If the WSREP_SST_OPT_BINLOG variable is not set, but
# --log-basename is present among the arguments to mysqld,
# then set WSREP_SST_OPT_BINLOG equal to the base name
# with the "-bin" suffix:
readonly WSREP_SST_OPT_BINLOG="$WSREP_SST_OPT_LOG_BASENAME-bin"
else
# Take the default name:
readonly WSREP_SST_OPT_BINLOG='mysql-bin'
fi
fi
# Reconstructing the command line arguments that control the innodb
# and binlog options:
if [ -n "$WSREP_SST_OPT_LOG_BASENAME" ]; then
if [ -n "$WSREP_SST_OPT_MYSQLD" ]; then
WSREP_SST_OPT_MYSQLD="--log-basename='$WSREP_SST_OPT_LOG_BASENAME' $WSREP_SST_OPT_MYSQLD"
else
WSREP_SST_OPT_MYSQLD="--log-basename='$WSREP_SST_OPT_LOG_BASENAME'"
fi
fi
if [ -n "$ARIA_LOG_DIR" ]; then
INNOEXTRA="$INNOEXTRA --aria-log-dir-path='$ARIA_LOG_DIR'"
fi
if [ -n "$INNODB_DATA_HOME_DIR" ]; then
INNOEXTRA="$INNOEXTRA --innodb-data-home-dir='$INNODB_DATA_HOME_DIR'"
fi
if [ -n "$INNODB_LOG_GROUP_HOME" ]; then
INNOEXTRA="$INNOEXTRA --innodb-log-group-home-dir='$INNODB_LOG_GROUP_HOME'"
fi
if [ -n "$INNODB_UNDO_DIR" ]; then
INNOEXTRA="$INNOEXTRA --innodb-undo-directory='$INNODB_UNDO_DIR'"
fi
if [ -n "$INNODB_BUFFER_POOL" ]; then
INNOEXTRA="$INNOEXTRA --innodb-buffer-pool-filename='$INNODB_BUFFER_POOL'"
fi
if [ -n "$INNODB_BUFFER_POOL_SIZE" ]; then
INNOEXTRA="$INNOEXTRA --innodb-buffer-pool-size='$INNODB_BUFFER_POOL_SIZE'"
fi
if [ -n "$WSREP_SST_OPT_BINLOG" ]; then
INNOEXTRA="$INNOEXTRA --log-bin='$WSREP_SST_OPT_BINLOG'"
if [ -n "$WSREP_SST_OPT_BINLOG_INDEX" ]; then
if [ -n "$WSREP_SST_OPT_MYSQLD" ]; then
WSREP_SST_OPT_MYSQLD="--log-bin-index='$WSREP_SST_OPT_BINLOG_INDEX' $WSREP_SST_OPT_MYSQLD"
else
WSREP_SST_OPT_MYSQLD="--log-bin-index='$WSREP_SST_OPT_BINLOG_INDEX'"
fi
fi
fi
readonly INNODB_FORCE_RECOVERY
readonly WSREP_SST_OPT_MYSQLD
get_binlog()
{
# if no command line argument and WSREP_SST_OPT_BINLOG is not set,
# try to get it from my.cnf:
if [ -z "$WSREP_SST_OPT_BINLOG" ]; then
WSREP_SST_OPT_BINLOG=$(parse_cnf '--mysqld' 'log-bin')
fi
# if no command line argument and WSREP_SST_OPT_BINLOG_INDEX is not set,
# try to get it from my.cnf:
if [ -z "$WSREP_SST_OPT_BINLOG_INDEX" ]; then
WSREP_SST_OPT_BINLOG_INDEX=$(parse_cnf '--mysqld' 'log-bin-index')
fi
# if no command line argument and WSREP_SST_OPT_LOG_BASENAME is not set,
# then try to get it from my.cnf:
if [ -z "$WSREP_SST_OPT_LOG_BASENAME" ]; then
WSREP_SST_OPT_LOG_BASENAME=$(parse_cnf '--mysqld' 'log-basename')
fi
if [ -z "$WSREP_SST_OPT_BINLOG" ]; then
# If the log-bin option is specified without a parameter,
# then we need to build the name of the index file according
# to the rules described in the server documentation:
if [ $(in_config '--mysqld' 'log-bin') -ne 0 ]; then
if [ -n "$WSREP_SST_OPT_LOG_BASENAME" ]; then
# If the WSREP_SST_OPT_BINLOG variable is not set, but
# --log-basename is present among the arguments of mysqld,
# then set WSREP_SST_OPT_BINLOG equal to the base name
# with the "-bin" suffix:
readonly WSREP_SST_OPT_BINLOG="$WSREP_SST_OPT_LOG_BASENAME-bin"
else
# Take the default name:
readonly WSREP_SST_OPT_BINLOG='mysql-bin'
fi
fi
fi
if [ -n "$WSREP_SST_OPT_BINLOG" ]; then
# If the name of the index file is not specified, then we will build
# it according to the specifications for the server:
if [ -z "$WSREP_SST_OPT_BINLOG_INDEX" ]; then
if [ -n "$WSREP_SST_OPT_LOG_BASENAME" ]; then
# If the WSREP_SST_OPT_BINLOG_INDEX variable is not set, but
# --log-basename is present among the arguments of mysqld,
# then set WSREP_SST_OPT_BINLOG_INDEX equal to the base name
# with the "-bin" suffix:
readonly WSREP_SST_OPT_BINLOG_INDEX="$WSREP_SST_OPT_LOG_BASENAME-bin.index"
else
# Use the default name (note that base of this name
# is already defined above):
readonly WSREP_SST_OPT_BINLOG_INDEX="$WSREP_SST_OPT_BINLOG.index"
fi
else
# Remove all directories from the index file path:
local filename="${WSREP_SST_OPT_BINLOG_INDEX##*/}"
# Check if the index file name contains the extension:
if [ "${filename%.*}" = "$filename" ]; then
# Let's add the default extension (".index"):
readonly WSREP_SST_OPT_BINLOG_INDEX="$WSREP_SST_OPT_BINLOG_INDEX.index"
else
readonly WSREP_SST_OPT_BINLOG_INDEX
fi
fi
fi
}
# Check the presence of the port value and, if necessary, transfer
# the port number from the address to the WSREP_SST_OPT_PORT variable
# or vice versa, and also, if necessary, substitute the missing port
# value into the address value:
if [ -n "$WSREP_SST_OPT_ADDR_PORT" ]; then
if [ -n "$WSREP_SST_OPT_PORT" ]; then
if [ "$WSREP_SST_OPT_PORT" != "$WSREP_SST_OPT_ADDR_PORT" ]; then
echo "WSREP_SST: [ERROR] port in --port=$WSREP_SST_OPT_PORT" \
"differs from port in --address=$WSREP_SST_OPT_ADDR" >&2
exit 2
fi
else
# If the address contains a port number, assign it to
# the corresponding variable:
readonly WSREP_SST_OPT_PORT="$WSREP_SST_OPT_ADDR_PORT"
fi
else
# If the port is missing, take the default port:
if [ -z "$WSREP_SST_OPT_PORT" ]; then
readonly WSREP_SST_OPT_PORT=4444
fi
WSREP_SST_OPT_ADDR_PORT="$WSREP_SST_OPT_PORT"
fi
# Let's construct a new value for the address with the port:
sst_path="${WSREP_SST_OPT_PATH:+/}$WSREP_SST_OPT_PATH"
WSREP_SST_OPT_ADDR="$WSREP_SST_OPT_HOST:$WSREP_SST_OPT_PORT$sst_path"
readonly WSREP_SST_OPT_ADDR
readonly WSREP_SST_OPT_ADDR_PORT
# try to use my_print_defaults, mysql and mysqldump that come
# with the sources (for MTR suite):
script_binary=$(dirname "$0")
SCRIPTS_DIR=$(cd "$script_binary"; pwd)
EXTRA_DIR="$SCRIPTS_DIR/../extra"
if [ -x "$SCRIPTS_DIR/my_print_defaults" ]; then
MY_PRINT_DEFAULTS="$SCRIPTS_DIR/my_print_defaults"
elif [ -x "$EXTRA_DIR/my_print_defaults" ]; then
MY_PRINT_DEFAULTS="$EXTRA_DIR/my_print_defaults"
else
MY_PRINT_DEFAULTS=$(commandex 'my_print_defaults')
if [ -z "$MY_PRINT_DEFAULTS" ]; then
wsrep_log_error "my_print_defaults not found in path"
exit 2
fi
fi
readonly MY_PRINT_DEFAULTS
wsrep_defaults="$WSREP_SST_OPT_DEFAULTS"
wsrep_defaults="$wsrep_defaults${WSREP_SST_OPT_EXTRA_DEFAULTS:+ }$WSREP_SST_OPT_EXTRA_DEFAULTS"
wsrep_defaults="$wsrep_defaults${WSREP_SST_OPT_SUFFIX_DEFAULT:+ }$WSREP_SST_OPT_SUFFIX_DEFAULT"
readonly WSREP_SST_OPT_CONF="${wsrep_defaults:+ }$wsrep_defaults"
wsrep_defaults="$WSREP_SST_OPT_DEFAULT"
wsrep_defaults="$wsrep_defaults${WSREP_SST_OPT_EXTRA_DEFAULT:+ }$WSREP_SST_OPT_EXTRA_DEFAULT"
wsrep_defaults="$wsrep_defaults${WSREP_SST_OPT_SUFFIX_DEFAULT:+ }$WSREP_SST_OPT_SUFFIX_DEFAULT"
readonly WSREP_SST_OPT_CONF_UNQUOTED="${wsrep_defaults:+ }$wsrep_defaults"
#
# User can specify mariabackup specific settings that will be used during sst
# process like encryption, etc. Parse such configuration option.
#
# 1st parameter: group (config file section like sst) or
# my_print_defaults argument (like --mysqld)
# 2nd parameter: var : name of the variable in the section, e.g. server-id
# 3rd parameter: default value for the parameter
#
parse_cnf()
{
local groups="$1"
local var="$2"
local reval=""
# normalize the variable names specified in the .cnf file
# (user can use '_' or '-', for example, log-bin or log_bin),
# then search for the last instance of the desired variable
# and finally get the value of that variable (if the variable
# was specified several times - we use only its last instance):
local pattern='BEGIN {OFS=FS="="} {sub(/^--loose/,"-",$0); gsub(/_/,"-",$1); if ($1=="--'"$var"'") lastval=substr($0,length($1)+2)} END {print lastval}'
while [ -n "$groups" ]; do
# Remove the largest suffix starting with the '|' character:
local group="${groups%%\|*}"
# Remove the remainder (the group name) from the rest
# of the groups list (as if it were a prefix):
if [ "$group" != "$groups" ]; then
groups="${groups#*\|}"
else
groups=""
fi
# If the group name is the same as the "mysqld" without "--" prefix,
# then try to use it together with the group suffix:
if [ "$group" = 'mysqld' -a -n "$WSREP_SST_OPT_SUFFIX_VALUE" ]; then
reval=$("$MY_PRINT_DEFAULTS" \
${WSREP_SST_OPT_DEFAULT:+"$WSREP_SST_OPT_DEFAULT"} \
${WSREP_SST_OPT_EXTRA_DEFAULT:+"$WSREP_SST_OPT_EXTRA_DEFAULT"} \
${WSREP_SST_OPT_SUFFIX_DEFAULT:+"$WSREP_SST_OPT_SUFFIX_DEFAULT"} \
"mysqld$WSREP_SST_OPT_SUFFIX_VALUE" | awk "$pattern")
if [ -n "$reval" ]; then
break
fi
fi
# Let's try to use the group name as it is:
reval=$("$MY_PRINT_DEFAULTS" \
${WSREP_SST_OPT_DEFAULT:+"$WSREP_SST_OPT_DEFAULT"} \
${WSREP_SST_OPT_EXTRA_DEFAULT:+"$WSREP_SST_OPT_EXTRA_DEFAULT"} \
${WSREP_SST_OPT_SUFFIX_DEFAULT:+"$WSREP_SST_OPT_SUFFIX_DEFAULT"} \
"$group" | awk "$pattern")
if [ -n "$reval" ]; then
break
fi
done
# Use default if we haven't found a value:
[ -z "$reval" ] && reval="${3:-}"
# Truncate spaces:
[ -n "$reval" ] && reval=$(trim_string "$reval")
echo "$reval"
}
#
# This function simply checks for the presence of the parameter
# in the config file, but does not return its value. It returns "1"
# (true) even if the parameter is present in the configuration file
# without a value:
#
in_config()
{
local groups="$1"
local var="$2"
local found=0
# normalize the variable names specified in the .cnf file
# (user can use '_' or '-', for example, log-bin or log_bin),
# then search for the last instance(s) of the desired variable:
local pattern='BEGIN {OFS=FS="="; found=0} {sub(/^--loose/,"-",$0); gsub(/_/,"-",$1); if ($1=="--'"$var"'") found=1} END {print found}'
while [ -n "$groups" ]; do
# Remove the largest suffix starting with the '|' character:
local group="${groups%%\|*}"
# Remove the remainder (the group name) from the rest
# of the groups list (as if it were a prefix):