shanshanzhong
68c7b0a8ec
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42 lines
1.5 KiB
Bash
42 lines
1.5 KiB
Bash
#!/bin/sh
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set -eu
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: "${MYSQL_ROOT_PASSWORD:?MYSQL_ROOT_PASSWORD is required}"
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: "${MASTER_MYSQL_HOST:?MASTER_MYSQL_HOST is required}"
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: "${MYSQL_REPLICATION_USER:?MYSQL_REPLICATION_USER is required}"
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: "${MYSQL_REPLICATION_PASSWORD:?MYSQL_REPLICATION_PASSWORD is required}"
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MASTER_MYSQL_PORT="${MASTER_MYSQL_PORT:-3306}"
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REPLICA_MYSQL_HOST="${REPLICA_MYSQL_HOST:-mysql-replica}"
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REPLICA_MYSQL_PORT="${REPLICA_MYSQL_PORT:-3306}"
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echo "Waiting for MySQL source ${MASTER_MYSQL_HOST}:${MASTER_MYSQL_PORT}..."
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until mysqladmin ping -h"${MASTER_MYSQL_HOST}" -P"${MASTER_MYSQL_PORT}" -u"${MYSQL_REPLICATION_USER}" -p"${MYSQL_REPLICATION_PASSWORD}" --silent; do
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sleep 2
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done
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echo "Waiting for local replica ${REPLICA_MYSQL_HOST}:${REPLICA_MYSQL_PORT}..."
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until mysqladmin ping -h"${REPLICA_MYSQL_HOST}" -P"${REPLICA_MYSQL_PORT}" -uroot -p"${MYSQL_ROOT_PASSWORD}" --silent; do
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sleep 2
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done
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echo "Configuring GTID replication..."
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mysql -h"${REPLICA_MYSQL_HOST}" -P"${REPLICA_MYSQL_PORT}" -uroot -p"${MYSQL_ROOT_PASSWORD}" <<SQL
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STOP REPLICA;
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RESET REPLICA ALL;
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SET GLOBAL super_read_only = OFF;
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SET GLOBAL read_only = OFF;
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CHANGE REPLICATION SOURCE TO
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SOURCE_HOST='${MASTER_MYSQL_HOST}',
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SOURCE_PORT=${MASTER_MYSQL_PORT},
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SOURCE_USER='${MYSQL_REPLICATION_USER}',
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SOURCE_PASSWORD='${MYSQL_REPLICATION_PASSWORD}',
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SOURCE_AUTO_POSITION=1,
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GET_SOURCE_PUBLIC_KEY=1;
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START REPLICA;
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SET GLOBAL read_only = ON;
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SET GLOBAL super_read_only = ON;
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SQL
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mysql -h"${REPLICA_MYSQL_HOST}" -P"${REPLICA_MYSQL_PORT}" -uroot -p"${MYSQL_ROOT_PASSWORD}" -e "SHOW REPLICA STATUS\\G"
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