mirror of
https://github.com/MariaDB/server.git
synced 2025-01-16 12:02:42 +01:00
411 lines
13 KiB
Bash
411 lines
13 KiB
Bash
# Copyright (C) 2012-2015 Codership Oy
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; version 2 of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; see the file COPYING. If not, write to the
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# Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston
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# MA 02110-1335 USA.
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# This is a common command line parser to be sourced by other SST scripts
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set -u
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WSREP_SST_OPT_BYPASS=0
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WSREP_SST_OPT_BINLOG=""
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WSREP_SST_OPT_BINLOG_INDEX=""
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WSREP_SST_OPT_DATA=""
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WSREP_SST_OPT_AUTH=${WSREP_SST_OPT_AUTH:-}
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WSREP_SST_OPT_USER=${WSREP_SST_OPT_USER:-}
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WSREP_SST_OPT_PSWD=${WSREP_SST_OPT_PSWD:-}
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WSREP_SST_OPT_DEFAULT=""
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WSREP_SST_OPT_EXTRA_DEFAULT=""
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WSREP_SST_OPT_SUFFIX_DEFAULT=""
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WSREP_SST_OPT_SUFFIX_VALUE=""
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WSREP_SST_OPT_MYSQLD=""
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INNODB_DATA_HOME_DIR_ARG=""
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INNODB_LOG_GROUP_HOME_ARG=""
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INNODB_UNDO_DIR_ARG=""
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LOG_BIN_ARG=""
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while [ $# -gt 0 ]; do
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case "$1" in
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'--address')
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readonly WSREP_SST_OPT_ADDR="$2"
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#
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# Break address string into host:port/path parts
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#
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case "${WSREP_SST_OPT_ADDR}" in
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\[*)
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# IPv6
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# Remove the starting and ending square brackets, if present:
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addr_no_bracket=${WSREP_SST_OPT_ADDR#\[}
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readonly WSREP_SST_OPT_HOST_UNESCAPED=${addr_no_bracket%%\]*}
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# Square brackets are needed in most cases:
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readonly WSREP_SST_OPT_HOST="[${WSREP_SST_OPT_HOST_UNESCAPED}]"
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# Some utilities and subsequent code require an address
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# without square brackets:
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readonly WSREP_SST_OPT_HOST_ESCAPED="\\[${WSREP_SST_OPT_HOST_UNESCAPED}\\]"
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readonly WSREP_SST_OPT_HOST_IPv6=1
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;;
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*)
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readonly WSREP_SST_OPT_HOST=${WSREP_SST_OPT_ADDR%%[:/]*}
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readonly WSREP_SST_OPT_HOST_UNESCAPED=$WSREP_SST_OPT_HOST
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readonly WSREP_SST_OPT_HOST_ESCAPED=$WSREP_SST_OPT_HOST
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readonly WSREP_SST_OPT_HOST_IPv6=0
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;;
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esac
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# Let's remove the leading part that contains the host address:
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remain=${WSREP_SST_OPT_ADDR#${WSREP_SST_OPT_HOST_ESCAPED}}
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# Let's remove the ":" character that separates the port number
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# from the hostname:
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remain=${remain#:}
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# Extract the port number from the address - all characters
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# up to "/" (if present):
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readonly WSREP_SST_OPT_ADDR_PORT=${remain%%/*}
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# If the "/" character is present, then the path is not empty:
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if [ "${remain#*/}" != "${remain}" ]; then
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# This operation removes everything up to the "/" character,
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# effectively removing the port number from the string:
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readonly WSREP_SST_OPT_PATH=${remain#*/}
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else
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readonly WSREP_SST_OPT_PATH=""
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fi
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# The rest of the string is the same as the path (for now):
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remain=${WSREP_SST_OPT_PATH}
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# If there is one more "/" in the string, then everything before
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# it will be the module name, otherwise the module name is empty:
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if [ "${remain%%/*}" != "${remain}" ]; then
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# This operation removes the tail after the very first
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# occurrence of the "/" character (inclusively):
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readonly WSREP_SST_OPT_MODULE=${remain%%/*}
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else
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readonly WSREP_SST_OPT_MODULE=""
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fi
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# Remove the module name part from the string, which ends with "/":
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remain=${WSREP_SST_OPT_PATH#*/}
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# If the rest of the string does not match the original, then there
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# was something else besides the module name:
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if [ "$remain" != "${WSREP_SST_OPT_PATH}" ]; then
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# Extract the part that matches the LSN by removing all
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# characters starting from the very first "/":
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readonly WSREP_SST_OPT_LSN=${remain%%/*}
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# Exctract everything after the first occurrence of
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# the "/" character in the string:
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remain=${remain#*/}
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# If the remainder does not match the original string,
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# then there is something else (the version number in
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# our case):
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if [ "$remain" != "${WSREP_SST_OPT_LSN}" ]; then
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# Let's extract the version number by removing the tail
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# after the very first occurence of the "/" character
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# (inclusively):
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readonly WSREP_SST_OPT_SST_VER=${remain%%/*}
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else
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readonly WSREP_SST_OPT_SST_VER=""
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fi
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else
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readonly WSREP_SST_OPT_LSN=""
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readonly WSREP_SST_OPT_SST_VER=""
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fi
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shift
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;;
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'--bypass')
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WSREP_SST_OPT_BYPASS=1
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;;
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'--datadir')
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readonly WSREP_SST_OPT_DATA="$2"
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shift
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;;
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'--innodb-data-home-dir')
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readonly INNODB_DATA_HOME_DIR_ARG="$2"
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shift
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;;
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'--innodb-log-group-home-dir')
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readonly INNODB_LOG_GROUP_HOME_ARG="$2"
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shift
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;;
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'--innodb-undo-directory')
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readonly INNODB_UNDO_DIR_ARG="$2"
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shift
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;;
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'--log-bin')
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readonly LOG_BIN_ARG="$2"
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shift
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;;
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'--defaults-file')
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readonly WSREP_SST_OPT_DEFAULT="$1=$2"
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shift
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;;
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'--defaults-extra-file')
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readonly WSREP_SST_OPT_EXTRA_DEFAULT="$1=$2"
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shift
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;;
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'--defaults-group-suffix')
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readonly WSREP_SST_OPT_SUFFIX_DEFAULT="$1=$2"
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readonly WSREP_SST_OPT_SUFFIX_VALUE="$2"
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shift
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;;
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'--host')
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readonly WSREP_SST_OPT_HOST="$2"
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shift
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;;
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'--local-port')
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readonly WSREP_SST_OPT_LPORT="$2"
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shift
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;;
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'--parent')
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readonly WSREP_SST_OPT_PARENT="$2"
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shift
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;;
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'--password')
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WSREP_SST_OPT_PSWD="$2"
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shift
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;;
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'--port')
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readonly WSREP_SST_OPT_PORT="$2"
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shift
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;;
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'--role')
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readonly WSREP_SST_OPT_ROLE="$2"
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shift
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;;
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'--socket')
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readonly WSREP_SST_OPT_SOCKET="$2"
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shift
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;;
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'--user')
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WSREP_SST_OPT_USER="$2"
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shift
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;;
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'--gtid')
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readonly WSREP_SST_OPT_GTID="$2"
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shift
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;;
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'--binlog')
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WSREP_SST_OPT_BINLOG="$2"
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shift
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;;
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'--binlog-index')
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WSREP_SST_OPT_BINLOG_INDEX="$2"
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shift
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;;
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'--gtid-domain-id')
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readonly WSREP_SST_OPT_GTID_DOMAIN_ID="$2"
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shift
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;;
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'--mysqld-args')
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original_cmd=""
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shift
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while [ $# -gt 0 ]; do
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option=${1%%=*}
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if [[ "$option" != "--defaults-file" && \
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"$option" != "--defaults-extra-file" && \
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"$option" != "--defaults-group-suffix" && \
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"$option" != "--port" && \
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"$option" != "--socket" ]]; then
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value=${1#*=}
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case "$option" in
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'--innodb-data-home-dir')
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if [ -z "$INNODB_DATA_HOME_DIR_ARG" ]; then
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readonly INNODB_DATA_HOME_DIR_ARG="$value"
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fi
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;;
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'--innodb-log-group-home-dir')
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if [ -z "$INNODB_LOG_GROUP_HOME_ARG" ]; then
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readonly INNODB_LOG_GROUP_HOME_ARG="$value"
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fi
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;;
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'--innodb-undo-directory')
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if [ -z "$INNODB_UNDO_DIR_ARG" ]; then
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readonly INNODB_UNDO_DIR_ARG="$value"
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fi
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;;
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'--log-bin')
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if [ -z "$LOG_BIN_ARG" ]; then
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readonly LOG_BIN_ARG="$value"
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fi
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;;
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esac
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if [ -z "$original_cmd" ]; then
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original_cmd="$1"
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else
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original_cmd="$original_cmd $1"
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fi
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fi
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shift
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done
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readonly WSREP_SST_OPT_MYSQLD="$original_cmd"
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break
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;;
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*) # must be command
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# usage
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# exit 1
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;;
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esac
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shift
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done
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readonly WSREP_SST_OPT_BYPASS
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readonly WSREP_SST_OPT_BINLOG
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readonly WSREP_SST_OPT_BINLOG_INDEX
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if [ -n "${WSREP_SST_OPT_ADDR_PORT:-}" ]; then
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if [ -n "${WSREP_SST_OPT_PORT:-}" ]; then
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if [ "$WSREP_SST_OPT_PORT" != "$WSREP_SST_OPT_ADDR_PORT" ]; then
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echo "WSREP_SST: [ERROR] port in --port=$WSREP_SST_OPT_PORT differs from port in --address=$WSREP_SST_OPT_ADDR" >&2
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exit 2
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fi
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else
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readonly WSREP_SST_OPT_PORT="$WSREP_SST_OPT_ADDR_PORT"
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fi
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fi
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# try to use my_print_defaults, mysql and mysqldump that come with the sources
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# (for MTR suite)
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SCRIPTS_DIR="$(cd $(dirname "$0"); pwd -P)"
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EXTRA_DIR="$SCRIPTS_DIR/../extra"
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CLIENT_DIR="$SCRIPTS_DIR/../client"
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if [ -x "$CLIENT_DIR/mysql" ]; then
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MYSQL_CLIENT="$CLIENT_DIR/mysql"
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else
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MYSQL_CLIENT=mysql
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fi
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if [ -x "$CLIENT_DIR/mysqldump" ]; then
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MYSQLDUMP="$CLIENT_DIR/mysqldump"
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else
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MYSQLDUMP=mysqldump
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fi
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if [ -x "$SCRIPTS_DIR/my_print_defaults" ]; then
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MY_PRINT_DEFAULTS="$SCRIPTS_DIR/my_print_defaults"
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elif [ -x "$EXTRA_DIR/my_print_defaults" ]; then
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MY_PRINT_DEFAULTS="$EXTRA_DIR/my_print_defaults"
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else
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MY_PRINT_DEFAULTS=my_print_defaults
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fi
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wsrep_defaults="$WSREP_SST_OPT_DEFAULT"
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if [ -n "$wsrep_defaults" ]; then
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wsrep_defaults="$wsrep_defaults "
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fi
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wsrep_defaults="$wsrep_defaults$WSREP_SST_OPT_EXTRA_DEFAULT"
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if [ -n "$wsrep_defaults" ]; then
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wsrep_defaults="$wsrep_defaults "
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fi
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readonly WSREP_SST_OPT_CONF="$wsrep_defaults$WSREP_SST_OPT_SUFFIX_DEFAULT"
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readonly MY_PRINT_DEFAULTS="$MY_PRINT_DEFAULTS $WSREP_SST_OPT_CONF"
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wsrep_auth_not_set()
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{
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[ -z "$WSREP_SST_OPT_AUTH" -o "$WSREP_SST_OPT_AUTH" = "(null)" ]
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}
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# State Snapshot Transfer authentication password was displayed in the ps output. Bug fixed #1200727.
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if $MY_PRINT_DEFAULTS sst | grep -q "wsrep_sst_auth"; then
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if wsrep_auth_not_set; then
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WSREP_SST_OPT_AUTH=$($MY_PRINT_DEFAULTS sst | grep -- "--wsrep_sst_auth" | cut -d= -f2)
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fi
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fi
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readonly WSREP_SST_OPT_AUTH
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# Splitting AUTH into potential user:password pair
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if ! wsrep_auth_not_set
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then
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WSREP_SST_OPT_USER="${WSREP_SST_OPT_AUTH%%:*}"
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WSREP_SST_OPT_PSWD="${WSREP_SST_OPT_AUTH##*:}"
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fi
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readonly WSREP_SST_OPT_USER
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readonly WSREP_SST_OPT_PSWD
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if [ -n "${WSREP_SST_OPT_DATA:-}" ]
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then
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SST_PROGRESS_FILE="$WSREP_SST_OPT_DATA/sst_in_progress"
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else
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SST_PROGRESS_FILE=""
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fi
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wsrep_log()
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{
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# echo everything to stderr so that it gets into common error log
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# deliberately made to look different from the rest of the log
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local readonly tst="$(date +%Y%m%d\ %H:%M:%S.%N | cut -b -21)"
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echo "WSREP_SST: $* ($tst)" >&2
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}
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wsrep_log_error()
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{
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wsrep_log "[ERROR] $*"
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}
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wsrep_log_warning()
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{
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wsrep_log "[WARNING] $*"
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}
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wsrep_log_info()
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{
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wsrep_log "[INFO] $*"
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}
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wsrep_cleanup_progress_file()
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{
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[ -n "${SST_PROGRESS_FILE:-}" ] && rm -f "$SST_PROGRESS_FILE" 2>/dev/null || true
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}
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wsrep_check_program()
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{
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local prog=$1
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if ! command -v $prog >/dev/null
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then
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echo "'$prog' not found in PATH"
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exit 2 # ENOENT no such file or directory
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fi
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}
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wsrep_check_programs()
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{
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local ret=0
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while [ $# -gt 0 ]
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do
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wsrep_check_program $1
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shift
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done
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}
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#
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# user can specify mariabackup specific settings that will be used during sst
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# process like encryption, etc.....
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# parse such configuration option. (group for xb settings is [sst] in my.cnf
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#
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# 1st param: group (config file section like sst) or my_print_defaults argument (like --mysqld)
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# 2nd param: var : name of the variable in the section, e.g. server-id
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# 3rd param: - : default value for the param
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parse_cnf()
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{
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local group=$1
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local var=$2
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local reval=""
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# normalize the variable names specified in cnf file (user can use _ or - for example log-bin or log_bin)
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# then search for needed variable
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# finally get the variable value (if variables has been specified multiple time use the last value only)
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reval=$($MY_PRINT_DEFAULTS "${group}" | awk -v var="${var}" 'BEGIN { OFS=FS="=" } { gsub(/_/,"-",$1); if ( $1=="--"var) lastval=substr($0,length($1)+2) } END { print lastval}')
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# use default if we haven't found a value
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if [ -z "$reval" ]; then
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[ -n "$3" ] && reval=$3
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fi
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echo $reval
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}
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