37 lines
994 B
Bash
37 lines
994 B
Bash
#!/usr/bin/env bash
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if [ "$(id -u)" = "0" ]; then
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echo "Switching to dedicated user 'mysql'"
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exec gosu mysql "$BASH_SOURCE" "$@"
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fi
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mysql_get_config() {
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local conf="$1"; shift
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mysqld --verbose --help 2>/dev/null \
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| awk -v conf="$conf" '$1 == conf && /^[^ \t]/ { sub(/^[^ \t]+[ \t]+/, ""); print; exit }'
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}
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DATADIR="$(mysql_get_config 'datadir')"
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SOCKET="$(mysql_get_config 'socket')"
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echo "Starting temporary MariaDB server..."
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mysqld --skip-networking --skip-grant-tables --socket="${SOCKET}" &
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echo "Waiting for server startup"
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for i in {30..0}; do
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if mysql --protocol=socket -hlocalhost -uroot --socket="${SOCKET}" --database=mysql <<<'SELECT 1'; then
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break
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fi
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sleep 1
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done
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if [ "$i" = 0 ]; then
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echo "Unable to start temporary server."
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exit 1
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fi
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echo "Upgrading instance (if necessary)..."
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mariadb-upgrade --verbose --protocol=socket -hlocalhost -uroot --socket="${SOCKET}"
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echo "Upgrade complete; Shutting down temporary MariaDB server..." |