mysql_start.sh

#!/bin/bash
MYSQL_MAJOR_VERSION=8;
MYSQL_MINOR_VERSION=0;
MYSQL_PATCH_VERSION=36;

INSTALLER_HOME=$(dirname "$(realpath "$0")");
MYSQL_BASE="${INSTALLER_HOME}/mysql";

export MYSQL_HOME="${MYSQL_BASE}/server";
export DATADIR="$MYSQL_HOME/data";
MY_CNF="$MYSQL_HOME/my.cnf";
BINDIR="$MYSQL_HOME/bin";

MYSQLD_PID="$DATADIR/mysqld.pid";

#Java
JAVA_VERSION="11.0.22";
JAVA_UPDATE=7;

INSTALLER_HOME=$(dirname "$(realpath "$0")");
JAVA_BASE="${INSTALLER_HOME}/java";
JDK_BASE="${JAVA_BASE}/jdk";
JAVA_HOME=$("${JAVA_BASE}"/java_install.sh "${JAVA_BASE}" "${JAVA_VERSION}" "${JAVA_UPDATE}" "${JDK_BASE}" | tail -n 1);

if [ ! -d "${BINDIR}" ]; then
    "${MYSQL_BASE}"/mysql_install.sh ${MYSQL_MAJOR_VERSION} ${MYSQL_MINOR_VERSION} ${MYSQL_PATCH_VERSION} ${JAVA_HOME};
fi

if [ ! -d "${BINDIR}" ]; then
    echo "Not installed MySQL version ${MYSQL_MAJOR_VERSION}.${MYSQL_MINOR_VERSION}.${MYSQL_PATCH_VERSION} then running stop";
    exit 1;
fi

cd "${BINDIR}";
./mysqld --defaults-file="${MY_CNF}" --datadir "$DATADIR" --console;