update
This commit is contained in:
218
mysql/ADD/ccmd
Executable file
218
mysql/ADD/ccmd
Executable file
@@ -0,0 +1,218 @@
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#!/bin/bash
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##################################################
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# EVN #
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# - SERVER_ID #
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# - GROUP_REPLICATION #
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# - GROUP_REPLICATION_LOCAL_ADDRESS #
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# - GROUP_REPLICATION_GROUP_SEEDS #
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# - EXTRA_SCRIPTS #
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# Mount file #
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# - /etc/my.cnf #
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# Mount dir #
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# - LOG_DIR #
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# - DATA_DIR #
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# - BINLOG_DIR #
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##################################################
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set -euo pipefail
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export LANG=en_US.UTF-8
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trap Quit EXIT
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PIDS=
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GOT_SIGTERM=
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LOG_DIR='/var/log/mysql'
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DATA_DIR='/var/lib/mysql'
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BINLOG_DIR='/var/lib/mysql-bin'
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SOCK_FILE='/run/mysqld/mysqld.sock'
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PID_FILE='/run/mysqld/mysqld.pid'
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INIT_FLAG=
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GROUP_REPLICATION="${GROUP_REPLICATION:+1}"
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EXTRA_SCRIPTS="${EXTRA_SCRIPTS:+1}"
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if [ -n "$GROUP_REPLICATION" ]; then
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SERVER_ID=${SERVER_ID:?}
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GROUP_REPILCATION_GROUP_NAME="${GROUP_REPILCATION_GROUP_NAME:-aaaabbbb-7777-8888-9999-ccccddddeeee}"
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GROUP_REPLICATION_LOCAL_ADDRESS="${GROUP_REPLICATION_LOCAL_ADDRESS}"
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GROUP_REPLICATION_GROUP_SEEDS="${GROUP_REPLICATION_GROUP_SEEDS}"
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BOOTSTRAP_GROUP=1
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fi
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function Print {
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local file=/dev/null
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[ '-f' = "$1" ] && file=$2 && shift && shift
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date +"[%F %T] $*" | tee -a $file
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}
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function Quit {
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Print killing mysqld ...
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mysqladmin shutdown || true
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while :; do
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pkill -f mysqld && Print killing mysqld ... || break
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sleep 1
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done
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Print Container stopped.
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test -n "$GOT_SIGTERM"
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}
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function ProbeSeeds {
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local all_seeds=" ${GROUP_REPLICATION_GROUP_SEEDS//,/ } "
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local other_seeds="${all_seeds/ $GROUP_REPLICATION_LOCAL_ADDRESS / }"
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local seed= seed_return=0
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[ "$all_seeds" = "$other_seeds" ] \
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&& Print Not found local_address in group_seeds! \
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&& exit 1
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Print Probe connection to other seeds ...
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for seed in $other_seeds; do
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echo -n "Connecting $seed ... "
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curl -s --connect-timeout 8 ftp://$seed || seed_return=$?
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[ 6 = "$seed_return" ] && echo failed to resolve host:"${seed%:*}"! && exit 1
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[ 7 = "$seed_return" ] && echo offline. && continue
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echo online.
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BOOTSTRAP_GROUP=
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break
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done
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}
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function Init {
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rm -f ${SOCK_FILE}* ${PID_FILE}
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chown -R mysql.mysql $LOG_DIR $BINLOG_DIR $DATA_DIR
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if [ ! -d "$DATA_DIR/mysql" ]; then
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Print Write essential server config to /etc/mysql/my.cnf ...
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Print Init mysql db files ...
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mysqld_pre_systemd
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INIT_FLAG=1
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fi
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}
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function InitGroupReplication {
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if ! grep -i '^group[-_]replication' /etc/my.cnf; then
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Print Write advisable group replication config to /etc/my.cnf ...
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grep -i '^binlog[-_]expire[-_]logs[-_]seconds' /etc/my.cnf \
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|| echo 'binlog-expire-logs-seconds = 172800' >> /etc/my.cnf
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echo 'group-replication-consistency = BEFORE_ON_PRIMARY_FAILOVER
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group-replication-member-expel-timeout = 2
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group-replication-unreachable-majority-timeout = 2
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group-replication-autorejoin-tries = 0
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group-replication-exit-state-action = OFFLINE_MODE
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' >> /etc/my.cnf
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fi
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if ! grep -i '^group[-_]replication' /etc/mysql/my.cnf; then
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Print Write essential group replication config to /etc/mysql/my.cnf ...
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cat >> /etc/mysql/my.cnf <<-EOF
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server-id = $SERVER_ID
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gtid-mode = ON
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enforce-gtid-consistency = TRUE
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binlog-format = ROW
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binlog-checksum = NONE
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log-bin = /var/lib/mysql-bin/master
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relay-log = /var/lib/mysql-bin/slave
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log-slave-updates = TRUE
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relay-log-recovery = TRUE
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slave-parallel-type = LOGICAL_CLOCK
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slave-preserve-commit-order = ON
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disabled-storage-engines = "MyISAM,BLACKHOLE,FEDERATED,ARCHIVE,MEMORY"
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plugin-load-add = "group_replication.so;mysql_clone.so"
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group-replication-group-name = "$GROUP_REPILCATION_GROUP_NAME"
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group-replication-local-address = "$GROUP_REPLICATION_LOCAL_ADDRESS"
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group-replication-group-seeds = "$GROUP_REPLICATION_GROUP_SEEDS"
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group-replication-bootstrap-group = OFF
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group-replication-start-on-boot = OFF
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EOF
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fi
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}
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function ImportInitSql {
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local sql_file= sql_files=
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mysql -e "CREATE USER docker@localhost IDENTIFIED BY 'China_19\$(10)!'"
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mysql -e "GRANT SHUTDOWN ON *.* TO docker@localhost"
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if sql_files="$(ls $LOG_DIR/init_sql/*.sql 2>/dev/null)"; then
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Print Import the sql files ...
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for sql_file in $sql_files; do
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Print Importing $sql_file ...
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mysql < $sql_file
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done
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Print Imported all sql files successfully.
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fi
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}
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function StartGroupReplication {
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if [ -n "$BOOTSTRAP_GROUP" ]; then
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Print Bootstrap new group replication ...
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mysql -e "
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SET GLOBAL group_replication_bootstrap_group=ON;
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START GROUP_REPLICATION;
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SET GLOBAL group_replication_bootstrap_group=OFF;
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"
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else
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Print Join a running group replication ...
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mysql -e "START GROUP_REPLICATION;"
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fi
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}
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function CreateGroupReplicationChannel {
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Print Create user and channel of group replication ...
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mysql -e "SET SQL_LOG_BIN=0;
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CREATE USER rpl@'%' IDENTIFIED BY 'Rpl_1234';
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GRANT REPLICATION SLAVE ON *.* TO rpl@'%';
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GRANT BACKUP_ADMIN ON *.* TO rpl@'%';
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FLUSH PRIVILEGES;
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SET SQL_LOG_BIN=1;
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CHANGE MASTER TO
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MASTER_USER='rpl',
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MASTER_PASSWORD='Rpl_1234'
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FOR CHANNEL 'group_replication_recovery';
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"
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}
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function StartExtraScripts {
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Print Start extra scripts ...
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while sleep 2; do
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for script in $(find $LOG_DIR/extra_scripts/ -type f -executable \
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2>/dev/null || true); do
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$script &
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done
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done &
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}
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function StartProc {
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Print Start mysql ...
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mysqld -u mysql &
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PIDS="$PIDS $!"
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while sleep 1; do
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[ -e $SOCK_FILE ] && break || echo -n .
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[ ! -e /proc/$! ] && echo && Print unexpected error! && exit
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done
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echo
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if [ -n "$INIT_FLAG" ]; then
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ImportInitSql
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if [ -n "$GROUP_REPLICATION" ]; then
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CreateGroupReplicationChannel
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fi
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fi
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if [ -n "$GROUP_REPLICATION" ]; then
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StartGroupReplication
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fi
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if [ -n "$EXTRA_SCRIPTS" ]; then
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StartExtraScripts
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fi
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Print MySQL is ready for connections.
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}
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function Main {
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local pid=
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[ -n "$GROUP_REPLICATION" ] && ProbeSeeds
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Init
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[ -n "$GROUP_REPLICATION" ] && InitGroupReplication
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StartProc
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trap "GOT_SIGTERM=1; Print Got SIGTERM ..." SIGTERM
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while [ -z "$GOT_SIGTERM" ] && sleep 1; do
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for pid in $PIDS; do
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[ ! -e /proc/$pid ] && Print Unexpected error! && exit
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done
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done
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}
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# Start here
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Main
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