109 lines
3.8 KiB
Bash
Executable File
109 lines
3.8 KiB
Bash
Executable File
#!/bin/sh
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#
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### entrypoint script for mariadb container
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#
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# instantiate variables
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sqlCmd='/tmp/cmd.sql'
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# generate root password if not specified
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if [ -z "$MYSQL_ROOT_PASSWORD" ]; then
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MYSQL_ROOT_PASSWORD="$( head /dev/urandom | tr -dc A-Za-z0-9 | head -c32 )"
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export MYSQL_ROOT_PASSWORD=$MYSQL_ROOT_PASSWORD
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fi
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# change mysql UID & GID
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sed -i "s/mysql:x:100:101/mysql:x:${MYSQL_UID}:${MYSQL_GID}/" /etc/passwd
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sed -i "s/mysql:x:101/mysql:x:${MYSQL_GID}/" /etc/group
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chown -R mysql:mysql /var/lib/mysql
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# execute pre-init scripts: /docker-entrypoint-preinit.d/*.sh
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for f in /docker-entrypoint-preinit.d/*.sh; do
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if [ -s "$f" ]; then
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printf "PRE-INIT: Executing %s\n" "$f"
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/bin/sh "$f"
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fi
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done
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# create socket file
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mkdir -p /run/mysqld > /dev/null 2>&1
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touch /run/mysqld/mysqld.dock
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chown -R mysql:mysql /run/mysqld
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# create database if one does not already exist
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if [ -z "$(ls -A /var/lib/mysql/ 2> /dev/null)" ]; then
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# create SQL cmd file
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touch "$sqlCmd"
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# create system tables
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printf "DB-CREATE: Setting up mySQL system tables\n"
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mysql_install_db --user=mysql --ldata=/var/lib/mysql > /dev/null
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# statement to create new SQL database
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printf "DB-CREATE: Generating SQL database create statement for '%s'\n" "$MYSQL_DATABASE"
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echo "CREATE DATABASE IF NOT EXISTS '$MYSQL_DATABASE' CHARACTER SET $MYSQL_CHARSET COLLATE $MYSQL_COLLATION;" >> "$sqlCmd"
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# statements to:
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# cleanup permissions:
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# leave root@localhost as root-account integrated,
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# add root@% with password authentication
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# create SQL user if requested
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# remove 'test' table
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echo 'USE mysql;' >> "$sqlCmd"
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echo 'FLUSH PRIVILEGES;' >> "$sqlCmd"
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printf "DB-CREATE: Generating SQL permissions statement for 'root@%%'\n"
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echo "GRANT ALL ON *.* TO 'root'@'%' IDENTIFIED BY '$MYSQL_ROOT_PASSWORD' WITH GRANT OPTION;" >> "$sqlCmd"
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if [ -n "$MYSQL_USER" ] && [ -n "$MYSQL_PASSWORD" ]; then
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printf "DB-CREATE: Generating SQL permissions statement for '%s'\n" "$MYSQL_USER"
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echo "GRANT ALL ON '$MYSQL_DATABASE'.* TO '$MYSQL_USER'@'%' IDENTIFIED BY '$MYSQL_PASSWORD';" >> "$sqlCmd"
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fi
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printf "DB-CREATE: Generating statement to drop 'test' table\n"
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echo 'DROP DATABASE IF EXISTS test;' >> "$sqlCmd"
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echo 'FLUSH PRIVILEGES;' >> "$sqlCmd"
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# execute statements against mariadb and cleanup
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printf "DB-CREATE: Bootstrapping mySQL database\n"
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mysqld --user=mysql --bootstrap --verbose=0 --skip-name-resolve --skip-networking=0 < "$sqlCmd"
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rm -f "$sqlCmd"
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else
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# files exist, ignore the request to create a database
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printf "DB-CREATE: NOT creating %s\n" "$MYSQL_DATABASE"
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printf "DB-CREATE: Using existing database\n"
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fi
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# process supplied SQL files in /docker-entrypoint-initdb.d/*.(sql|sql.gz)
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for f in /docker-entrypoint-initdb.d/*.sh; do
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case "$f" in
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*.sql)
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if [ -s "$f" ]; then
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printf "IMPORT-SQL: Importing %s\n" "$f"
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mysqld --user=mysql --bootstrap --verbose=0 --skip-name-resolve --skip-networking=0 < "$f"
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printf "\n"
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fi
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;;
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*.sql.gz)
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if [ -s "$f" ]; then
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printf "IMPORT-SQL: Importing %s\n" "$f"
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gunzip -c "$f" | mysqld --user=mysql --bootstrap --verbose=0 --skip-name-resolve --skip-networking=0 < "$f"
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printf "\n"
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fi
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;;
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*)
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printf "IMPORT-SQL: Cannot import %s\n" "$f"
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;;
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esac
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done
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# execute post-init scripts: /docker-entrypoint-postinit.d/*.sh
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for f in /docker-entrypoint-postinit.d/*.sh; do
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if [ -s "$f" ]; then
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printf "POST-INIT: Executing %s\n" "$f"
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/bin/sh "$f"
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fi
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done
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# execute commands passed to this container
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printf "\nInitialization complete... Container ready...\n"
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exec "$@"
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#EOF |