740 lines
29 KiB
Bash
740 lines
29 KiB
Bash
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#!/bin/bash
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set -eo pipefail
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shopt -s nullglob
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# logging functions
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mysql_log() {
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local type="$1"
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shift
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printf '%s [%s] [Entrypoint]: %s\n' "$(date --rfc-3339=seconds)" "$type" "$*"
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}
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mysql_note() {
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mysql_log Note "$@"
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}
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mysql_warn() {
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mysql_log Warn "$@" >&2
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}
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mysql_error() {
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mysql_log ERROR "$@" >&2
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exit 1
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}
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# usage: file_env VAR [DEFAULT]
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# ie: file_env 'XYZ_DB_PASSWORD' 'example'
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# (will allow for "$XYZ_DB_PASSWORD_FILE" to fill in the value of
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# "$XYZ_DB_PASSWORD" from a file, especially for Docker's secrets feature)
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file_env() {
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local var="$1"
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local fileVar="${var}_FILE"
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local def="${2:-}"
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if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
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mysql_error "Both $var and $fileVar are set (but are exclusive)"
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fi
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local val="$def"
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if [ "${!var:-}" ]; then
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val="${!var}"
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elif [ "${!fileVar:-}" ]; then
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val="$(<"${!fileVar}")"
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fi
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export "$var"="$val"
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unset "$fileVar"
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}
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# set MARIADB_xyz from MYSQL_xyz when MARIADB_xyz is unset
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# and make them the same value (so user scripts can use either)
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_mariadb_file_env() {
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local var="$1"
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shift
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local maria="MARIADB_${var#MYSQL_}"
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file_env "$var" "$@"
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file_env "$maria" "${!var}"
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if [ "${!maria:-}" ]; then
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export "$var"="${!maria}"
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fi
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}
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# check to see if this file is being run or sourced from another script
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_is_sourced() {
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# https://unix.stackexchange.com/a/215279
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[ "${#FUNCNAME[@]}" -ge 2 ] &&
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[ "${FUNCNAME[0]}" = '_is_sourced' ] &&
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[ "${FUNCNAME[1]}" = 'source' ]
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}
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# usage: docker_process_init_files [file [file [...]]]
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# ie: docker_process_init_files /always-initdb.d/*
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# process initializer files, based on file extensions
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docker_process_init_files() {
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# mysql here for backwards compatibility "${mysql[@]}"
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# ShellCheck: mysql appears unused. Verify use (or export if used externally)
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# shellcheck disable=SC2034
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mysql=(docker_process_sql)
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echo
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local f
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for f; do
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case "$f" in
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*.sh)
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# https://github.com/docker-library/postgres/issues/450#issuecomment-393167936
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# https://github.com/docker-library/postgres/pull/452
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if [ -x "$f" ]; then
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mysql_note "$0: running $f"
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"$f"
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else
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mysql_note "$0: sourcing $f"
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# ShellCheck can't follow non-constant source. Use a directive to specify location.
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# shellcheck disable=SC1090
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. "$f"
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fi
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;;
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*.sql)
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mysql_note "$0: running $f"
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docker_process_sql <"$f"
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echo
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;;
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*.sql.gz)
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mysql_note "$0: running $f"
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gunzip -c "$f" | docker_process_sql
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echo
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;;
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*.sql.xz)
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mysql_note "$0: running $f"
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xzcat "$f" | docker_process_sql
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echo
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;;
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*.sql.zst)
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mysql_note "$0: running $f"
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zstd -dc "$f" | docker_process_sql
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echo
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;;
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*) mysql_warn "$0: ignoring $f" ;;
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esac
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echo
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done
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}
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# arguments necessary to run "mariadbd --verbose --help" successfully (used for testing configuration validity and for extracting default/configured values)
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_verboseHelpArgs=(
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--verbose --help
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)
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mysql_check_config() {
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local toRun=("$@" "${_verboseHelpArgs[@]}") errors
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if ! errors="$("${toRun[@]}" 2>&1 >/dev/null)"; then
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mysql_error $'mariadbd failed while attempting to check config\n\tcommand was: '"${toRun[*]}"$'\n\t'"$errors"
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fi
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}
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# Fetch value from server config
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# We use mariadbd --verbose --help instead of my_print_defaults because the
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# latter only show values present in config files, and not server defaults
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mysql_get_config() {
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local conf="$1"
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shift
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"$@" "${_verboseHelpArgs[@]}" 2>/dev/null |
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awk -v conf="$conf" '$1 == conf && /^[^ \t]/ { sub(/^[^ \t]+[ \t]+/, ""); print; exit }'
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# match "datadir /some/path with/spaces in/it here" but not "--xyz=abc\n datadir (xyz)"
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}
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# Do a temporary startup of the MariaDB server, for init purposes
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docker_temp_server_start() {
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"$@" --skip-networking --default-time-zone=SYSTEM --socket="${SOCKET}" --wsrep_on=OFF \
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--expire-logs-days=0 \
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--loose-innodb_buffer_pool_load_at_startup=0 \
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--skip-ssl --ssl-cert='' --ssl-key='' --ssl-ca='' \
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&
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declare -g MARIADB_PID
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MARIADB_PID=$!
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mysql_note "Waiting for server startup"
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# only use the root password if the database has already been initialized
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# so that it won't try to fill in a password file when it hasn't been set yet
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extraArgs=()
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if [ -z "$DATABASE_ALREADY_EXISTS" ]; then
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extraArgs+=('--dont-use-mysql-root-password')
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fi
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local i
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for i in {30..0}; do
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if docker_process_sql "${extraArgs[@]}" --database=mysql \
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--skip-ssl --skip-ssl-verify-server-cert \
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<<<'SELECT 1' &>/dev/null; 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 [ "$i" = 0 ]; then
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mysql_error "Unable to start server."
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fi
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}
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# Stop the server. When using a local socket file mariadb-admin will block until
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# the shutdown is complete.
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docker_temp_server_stop() {
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kill "$MARIADB_PID"
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wait "$MARIADB_PID"
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}
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# Verify that the minimally required password settings are set for new databases.
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docker_verify_minimum_env() {
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# Restoring from backup requires no environment variables
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declare -g DATABASE_INIT_FROM_BACKUP
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for file in /docker-entrypoint-initdb.d/*.tar{.gz,.xz,.zst}; do
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if [ -f "${file}" ]; then
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DATABASE_INIT_FROM_BACKUP='true'
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return
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fi
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done
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if [ -z "$MARIADB_ROOT_PASSWORD" ] && [ -z "$MARIADB_ROOT_PASSWORD_HASH" ] && [ -z "$MARIADB_ALLOW_EMPTY_ROOT_PASSWORD" ] && [ -z "$MARIADB_RANDOM_ROOT_PASSWORD" ]; then
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mysql_error $'Database is uninitialized and password option is not specified\n\tYou need to specify one of MARIADB_ROOT_PASSWORD, MARIADB_ROOT_PASSWORD_HASH, MARIADB_ALLOW_EMPTY_ROOT_PASSWORD and MARIADB_RANDOM_ROOT_PASSWORD'
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fi
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# More preemptive exclusions of combinations should have been made before *PASSWORD_HASH was added, but for now we don't enforce due to compatibility.
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if [ -n "$MARIADB_ROOT_PASSWORD" ] || [ -n "$MARIADB_ALLOW_EMPTY_ROOT_PASSWORD" ] || [ -n "$MARIADB_RANDOM_ROOT_PASSWORD" ] && [ -n "$MARIADB_ROOT_PASSWORD_HASH" ]; then
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mysql_error "Cannot specify MARIADB_ROOT_PASSWORD_HASH and another MARIADB_ROOT_PASSWORD* option."
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fi
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if [ -n "$MARIADB_PASSWORD" ] && [ -n "$MARIADB_PASSWORD_HASH" ]; then
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mysql_error "Cannot specify MARIADB_PASSWORD_HASH and MARIADB_PASSWORD option."
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fi
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if [ -n "$MARIADB_REPLICATION_USER" ]; then
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if [ -z "$MARIADB_MASTER_HOST" ]; then
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# its a master, we're creating a user
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if [ -z "$MARIADB_REPLICATION_PASSWORD" ] && [ -z "$MARIADB_REPLICATION_PASSWORD_HASH" ]; then
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mysql_error "MARIADB_REPLICATION_PASSWORD or MARIADB_REPLICATION_PASSWORD_HASH not found to create replication user for master"
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fi
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else
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# its a replica
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if [ -z "$MARIADB_REPLICATION_PASSWORD" ]; then
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mysql_error "MARIADB_REPLICATION_PASSWORD is mandatory to specify the replication on the replica image."
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fi
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if [ -n "$MARIADB_REPLICATION_PASSWORD_HASH" ]; then
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mysql_warn "MARIADB_REPLICATION_PASSWORD_HASH cannot be specified on a replica"
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fi
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fi
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fi
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if [ -n "$MARIADB_MASTER_HOST" ] && { [ -z "$MARIADB_REPLICATION_USER" ] || [ -z "$MARIADB_REPLICATION_PASSWORD" ]; }; then
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mysql_error "For a replica, MARIADB_REPLICATION_USER and MARIADB_REPLICATION is mandatory."
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fi
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}
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# creates folders for the database
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# also ensures permission for user mysql of run as root
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docker_create_db_directories() {
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local user
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user="$(id -u)"
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# TODO other directories that are used by default? like /var/lib/mysql-files
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# see https://github.com/docker-library/mysql/issues/562
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mkdir -p "$DATADIR"
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if [ "$user" = "0" ]; then
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# this will cause less disk access than `chown -R`
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find "$DATADIR" \! -user mysql \( -exec chown mysql: '{}' + -o -true \)
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# See https://github.com/MariaDB/mariadb-docker/issues/363
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if [ "${SOCKET:0:1}" != '@' ]; then # not abstract sockets
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find "${SOCKET%/*}" -maxdepth 0 \! -user mysql \( -exec chown mysql: '{}' \; -o -true \)
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fi
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# memory.pressure
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local cgroup
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cgroup=$(</proc/self/cgroup)
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local mempressure="/sys/fs/cgroup/${cgroup:3}/memory.pressure"
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if [ -w "$mempressure" ]; then
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chown mysql: "$mempressure" || mysql_warn "unable to change ownership of $mempressure, functionality unavailable to MariaDB"
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else
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mysql_warn "$mempressure not writable, functionality unavailable to MariaDB"
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fi
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fi
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}
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_mariadb_version() {
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echo -n "11.5.2-MariaDB"
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}
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# initializes the database directory
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docker_init_database_dir() {
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mysql_note "Initializing database files"
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installArgs=(--datadir="$DATADIR" --rpm --auth-root-authentication-method=normal)
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# "Other options are passed to mariadbd." (so we pass all "mariadbd" arguments directly here)
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local mariadbdArgs=()
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for arg in "${@:2}"; do
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# Check if the argument contains whitespace
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if [[ "$arg" =~ [[:space:]] ]]; then
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mysql_warn "Not passing argument \'$arg\' to mariadb-install-db because mariadb-install-db does not support arguments with whitespace."
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else
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mariadbdArgs+=("$arg")
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fi
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done
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mariadb-install-db "${installArgs[@]}" "${mariadbdArgs[@]}" \
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--cross-bootstrap \
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--skip-test-db \
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--old-mode='UTF8_IS_UTF8MB3' \
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--default-time-zone=SYSTEM --enforce-storage-engine= \
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--skip-log-bin \
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--expire-logs-days=0 \
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--loose-innodb_buffer_pool_load_at_startup=0 \
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--loose-innodb_buffer_pool_dump_at_shutdown=0
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mysql_note "Database files initialized"
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}
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# Loads various settings that are used elsewhere in the script
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# This should be called after mysql_check_config, but before any other functions
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docker_setup_env() {
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# Get config
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declare -g DATADIR SOCKET PORT
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DATADIR="$(mysql_get_config 'datadir' "$@")"
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SOCKET="$(mysql_get_config 'socket' "$@")"
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PORT="$(mysql_get_config 'port' "$@")"
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# Initialize values that might be stored in a file
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_mariadb_file_env 'MYSQL_ROOT_HOST' '%'
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_mariadb_file_env 'MYSQL_DATABASE'
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_mariadb_file_env 'MYSQL_USER'
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_mariadb_file_env 'MYSQL_PASSWORD'
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_mariadb_file_env 'MYSQL_ROOT_PASSWORD'
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# No MYSQL_ compatibility needed for new variables
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file_env 'MARIADB_PASSWORD_HASH'
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file_env 'MARIADB_ROOT_PASSWORD_HASH'
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# env variables related to replication
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file_env 'MARIADB_REPLICATION_USER'
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file_env 'MARIADB_REPLICATION_PASSWORD'
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file_env 'MARIADB_REPLICATION_PASSWORD_HASH'
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# env variables related to master
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file_env 'MARIADB_MASTER_HOST'
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file_env 'MARIADB_MASTER_PORT' 3306
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# set MARIADB_ from MYSQL_ when it is unset and then make them the same value
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: "${MARIADB_ALLOW_EMPTY_ROOT_PASSWORD:=${MYSQL_ALLOW_EMPTY_PASSWORD:-}}"
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export MYSQL_ALLOW_EMPTY_PASSWORD="$MARIADB_ALLOW_EMPTY_ROOT_PASSWORD" MARIADB_ALLOW_EMPTY_ROOT_PASSWORD
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: "${MARIADB_RANDOM_ROOT_PASSWORD:=${MYSQL_RANDOM_ROOT_PASSWORD:-}}"
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export MYSQL_RANDOM_ROOT_PASSWORD="$MARIADB_RANDOM_ROOT_PASSWORD" MARIADB_RANDOM_ROOT_PASSWORD
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: "${MARIADB_INITDB_SKIP_TZINFO:=${MYSQL_INITDB_SKIP_TZINFO:-}}"
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export MYSQL_INITDB_SKIP_TZINFO="$MARIADB_INITDB_SKIP_TZINFO" MARIADB_INITDB_SKIP_TZINFO
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declare -g DATABASE_ALREADY_EXISTS
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if [ -d "$DATADIR/mysql" ]; then
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DATABASE_ALREADY_EXISTS='true'
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fi
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}
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# Execute the client, use via docker_process_sql to handle root password
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docker_exec_client() {
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# args sent in can override this db, since they will be later in the command
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if [ -n "$MYSQL_DATABASE" ]; then
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set -- --database="$MYSQL_DATABASE" "$@"
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fi
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mariadb --protocol=socket -uroot -hlocalhost --socket="${SOCKET}" "$@"
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}
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# Execute sql script, passed via stdin
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# usage: docker_process_sql [--dont-use-mysql-root-password] [mysql-cli-args]
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# ie: docker_process_sql --database=mydb <<<'INSERT ...'
|
||
|
|
# ie: docker_process_sql --dont-use-mysql-root-password --database=mydb <my-file.sql
|
||
|
|
docker_process_sql() {
|
||
|
|
if [ '--dont-use-mysql-root-password' = "$1" ]; then
|
||
|
|
shift
|
||
|
|
MYSQL_PWD='' docker_exec_client "$@"
|
||
|
|
else
|
||
|
|
MYSQL_PWD=$MARIADB_ROOT_PASSWORD docker_exec_client "$@"
|
||
|
|
fi
|
||
|
|
}
|
||
|
|
|
||
|
|
# SQL escape the string $1 to be placed in a string literal.
|
||
|
|
# escape, \ followed by '
|
||
|
|
docker_sql_escape_string_literal() {
|
||
|
|
local newline=$'\n'
|
||
|
|
local escaped=${1//\\/\\\\}
|
||
|
|
escaped="${escaped//$newline/\\n}"
|
||
|
|
echo "${escaped//\'/\\\'}"
|
||
|
|
}
|
||
|
|
|
||
|
|
# Creates replication user
|
||
|
|
create_replica_user() {
|
||
|
|
if [ -n "$MARIADB_REPLICATION_PASSWORD_HASH" ]; then
|
||
|
|
echo "CREATE USER '$MARIADB_REPLICATION_USER'@'%' IDENTIFIED BY PASSWORD '$MARIADB_REPLICATION_PASSWORD_HASH';"
|
||
|
|
else
|
||
|
|
# SQL escape the user password, \ followed by '
|
||
|
|
local userPasswordEscaped
|
||
|
|
userPasswordEscaped=$(docker_sql_escape_string_literal "${MARIADB_REPLICATION_PASSWORD}")
|
||
|
|
echo "CREATE USER '$MARIADB_REPLICATION_USER'@'%' IDENTIFIED BY '$userPasswordEscaped';"
|
||
|
|
fi
|
||
|
|
echo "GRANT REPLICATION REPLICA ON *.* TO '$MARIADB_REPLICATION_USER'@'%';"
|
||
|
|
}
|
||
|
|
|
||
|
|
# Create healthcheck users
|
||
|
|
create_healthcheck_users() {
|
||
|
|
local healthCheckGrant=USAGE
|
||
|
|
local healthCheckConnectPass
|
||
|
|
local healthCheckConnectPassEscaped
|
||
|
|
healthCheckConnectPass="$(pwgen --numerals --capitalize --symbols --remove-chars="=#'\\" -1 32)"
|
||
|
|
healthCheckConnectPassEscaped=$(docker_sql_escape_string_literal "${healthCheckConnectPass}")
|
||
|
|
if [ -n "$MARIADB_HEALTHCHECK_GRANTS" ]; then
|
||
|
|
healthCheckGrant="$MARIADB_HEALTHCHECK_GRANTS"
|
||
|
|
fi
|
||
|
|
for host in 127.0.0.1 ::1 localhost; do
|
||
|
|
echo "CREATE USER IF NOT EXISTS healthcheck@'$host' IDENTIFIED BY '$healthCheckConnectPassEscaped';"
|
||
|
|
# doing this so if the users exists, we're just setting the password, and not replacing the existing grants
|
||
|
|
echo "SET PASSWORD FOR healthcheck@'$host' = PASSWORD('$healthCheckConnectPassEscaped');"
|
||
|
|
echo "GRANT $healthCheckGrant ON *.* TO healthcheck@'$host';"
|
||
|
|
done
|
||
|
|
local maskPreserve
|
||
|
|
maskPreserve=$(umask -p)
|
||
|
|
umask 0077
|
||
|
|
echo -e "[mariadb-client]\\nport=$PORT\\nsocket=$SOCKET\\nuser=healthcheck\\npassword=$healthCheckConnectPass\\n" >"$DATADIR"/.my-healthcheck.cnf
|
||
|
|
$maskPreserve
|
||
|
|
}
|
||
|
|
|
||
|
|
# Initializes database with timezone info and root password, plus optional extra db/user
|
||
|
|
docker_setup_db() {
|
||
|
|
# Load timezone info into database
|
||
|
|
if [ -z "$MARIADB_INITDB_SKIP_TZINFO" ]; then
|
||
|
|
# --skip-write-binlog usefully disables binary logging
|
||
|
|
# but also outputs LOCK TABLES to improve the IO of
|
||
|
|
# Aria (MDEV-23326) for 10.4+.
|
||
|
|
mariadb-tzinfo-to-sql --skip-write-binlog /usr/share/zoneinfo |
|
||
|
|
docker_process_sql --dont-use-mysql-root-password --database=mysql
|
||
|
|
# tell docker_process_sql to not use MYSQL_ROOT_PASSWORD since it is not set yet
|
||
|
|
fi
|
||
|
|
# Generate random root password
|
||
|
|
if [ -n "$MARIADB_RANDOM_ROOT_PASSWORD" ]; then
|
||
|
|
MARIADB_ROOT_PASSWORD="$(pwgen --numerals --capitalize --symbols --remove-chars="'\\" -1 32)"
|
||
|
|
export MARIADB_ROOT_PASSWORD MYSQL_ROOT_PASSWORD=$MARIADB_ROOT_PASSWORD
|
||
|
|
mysql_note "GENERATED ROOT PASSWORD: $MARIADB_ROOT_PASSWORD"
|
||
|
|
fi
|
||
|
|
|
||
|
|
# Creates root users for non-localhost hosts
|
||
|
|
local rootCreate=
|
||
|
|
local rootPasswordEscaped=
|
||
|
|
if [ -n "$MARIADB_ROOT_PASSWORD" ]; then
|
||
|
|
# Sets root password and creates root users for non-localhost hosts
|
||
|
|
rootPasswordEscaped=$(docker_sql_escape_string_literal "${MARIADB_ROOT_PASSWORD}")
|
||
|
|
fi
|
||
|
|
|
||
|
|
# default root to listen for connections from anywhere
|
||
|
|
if [ -n "$MARIADB_ROOT_HOST" ] && [ "$MARIADB_ROOT_HOST" != 'localhost' ]; then
|
||
|
|
# ref "read -d ''", no, we don't care if read finds a terminating character in this heredoc
|
||
|
|
# https://unix.stackexchange.com/questions/265149/why-is-set-o-errexit-breaking-this-read-heredoc-expression/265151#265151
|
||
|
|
if [ -n "$MARIADB_ROOT_PASSWORD_HASH" ]; then
|
||
|
|
read -r -d '' rootCreate <<-EOSQL || true
|
||
|
|
CREATE USER 'root'@'${MARIADB_ROOT_HOST}' IDENTIFIED BY PASSWORD '${MARIADB_ROOT_PASSWORD_HASH}' ;
|
||
|
|
GRANT ALL ON *.* TO 'root'@'${MARIADB_ROOT_HOST}' WITH GRANT OPTION ;
|
||
|
|
GRANT PROXY ON ''@'%' TO 'root'@'${MARIADB_ROOT_HOST}' WITH GRANT OPTION;
|
||
|
|
EOSQL
|
||
|
|
else
|
||
|
|
read -r -d '' rootCreate <<-EOSQL || true
|
||
|
|
CREATE USER 'root'@'${MARIADB_ROOT_HOST}' IDENTIFIED BY '${rootPasswordEscaped}' ;
|
||
|
|
GRANT ALL ON *.* TO 'root'@'${MARIADB_ROOT_HOST}' WITH GRANT OPTION ;
|
||
|
|
GRANT PROXY ON ''@'%' TO 'root'@'${MARIADB_ROOT_HOST}' WITH GRANT OPTION;
|
||
|
|
EOSQL
|
||
|
|
fi
|
||
|
|
fi
|
||
|
|
|
||
|
|
local mysqlAtLocalhost=
|
||
|
|
local mysqlAtLocalhostGrants=
|
||
|
|
# Install mysql@localhost user
|
||
|
|
if [ -n "$MARIADB_MYSQL_LOCALHOST_USER" ]; then
|
||
|
|
read -r -d '' mysqlAtLocalhost <<-EOSQL || true
|
||
|
|
CREATE USER mysql@localhost IDENTIFIED VIA unix_socket;
|
||
|
|
EOSQL
|
||
|
|
if [ -n "$MARIADB_MYSQL_LOCALHOST_GRANTS" ]; then
|
||
|
|
if [ "$MARIADB_MYSQL_LOCALHOST_GRANTS" != USAGE ]; then
|
||
|
|
mysql_warn "Excessive privileges ON *.* TO mysql@localhost facilitates risks to the confidentiality, integrity and availability of data stored"
|
||
|
|
fi
|
||
|
|
mysqlAtLocalhostGrants="GRANT ${MARIADB_MYSQL_LOCALHOST_GRANTS} ON *.* TO mysql@localhost;"
|
||
|
|
fi
|
||
|
|
fi
|
||
|
|
|
||
|
|
local createHealthCheckUsers
|
||
|
|
createHealthCheckUsers=$(create_healthcheck_users)
|
||
|
|
|
||
|
|
local rootLocalhostPass=
|
||
|
|
if [ -z "$MARIADB_ROOT_PASSWORD_HASH" ]; then
|
||
|
|
# handle MARIADB_ROOT_PASSWORD_HASH for root@localhost after /docker-entrypoint-initdb.d
|
||
|
|
rootLocalhostPass="SET PASSWORD FOR 'root'@'localhost'= PASSWORD('${rootPasswordEscaped}');"
|
||
|
|
fi
|
||
|
|
|
||
|
|
local createDatabase=
|
||
|
|
# Creates a custom database and user if specified
|
||
|
|
if [ -n "$MARIADB_DATABASE" ]; then
|
||
|
|
mysql_note "Creating database ${MARIADB_DATABASE}"
|
||
|
|
createDatabase="CREATE DATABASE IF NOT EXISTS \`$MARIADB_DATABASE\`;"
|
||
|
|
fi
|
||
|
|
|
||
|
|
local createUser=
|
||
|
|
local userGrants=
|
||
|
|
if [ -n "$MARIADB_PASSWORD" ] || [ -n "$MARIADB_PASSWORD_HASH" ] && [ -n "$MARIADB_USER" ]; then
|
||
|
|
mysql_note "Creating user ${MARIADB_USER}"
|
||
|
|
if [ -n "$MARIADB_PASSWORD_HASH" ]; then
|
||
|
|
createUser="CREATE USER '$MARIADB_USER'@'%' IDENTIFIED BY PASSWORD '$MARIADB_PASSWORD_HASH';"
|
||
|
|
else
|
||
|
|
# SQL escape the user password, \ followed by '
|
||
|
|
local userPasswordEscaped
|
||
|
|
userPasswordEscaped=$(docker_sql_escape_string_literal "${MARIADB_PASSWORD}")
|
||
|
|
createUser="CREATE USER '$MARIADB_USER'@'%' IDENTIFIED BY '$userPasswordEscaped';"
|
||
|
|
fi
|
||
|
|
|
||
|
|
if [ -n "$MARIADB_DATABASE" ]; then
|
||
|
|
mysql_note "Giving user ${MARIADB_USER} access to schema ${MARIADB_DATABASE}"
|
||
|
|
userGrants="GRANT ALL ON \`${MARIADB_DATABASE//_/\\_}\`.* TO '$MARIADB_USER'@'%';"
|
||
|
|
fi
|
||
|
|
fi
|
||
|
|
|
||
|
|
# To create replica user
|
||
|
|
local createReplicaUser=
|
||
|
|
local changeMasterTo=
|
||
|
|
local startReplica=
|
||
|
|
if [ -n "$MARIADB_REPLICATION_USER" ]; then
|
||
|
|
if [ -z "$MARIADB_MASTER_HOST" ]; then
|
||
|
|
# on master
|
||
|
|
mysql_note "Creating user ${MARIADB_REPLICATION_USER}"
|
||
|
|
createReplicaUser=$(create_replica_user)
|
||
|
|
else
|
||
|
|
# on replica
|
||
|
|
local rplPasswordEscaped
|
||
|
|
rplPasswordEscaped=$(docker_sql_escape_string_literal "${MARIADB_REPLICATION_PASSWORD}")
|
||
|
|
# SC cannot follow how MARIADB_MASTER_PORT is assigned a default value.
|
||
|
|
# shellcheck disable=SC2153
|
||
|
|
changeMasterTo="CHANGE MASTER TO MASTER_HOST='$MARIADB_MASTER_HOST', MASTER_USER='$MARIADB_REPLICATION_USER', MASTER_PASSWORD='$rplPasswordEscaped', MASTER_PORT=$MARIADB_MASTER_PORT, MASTER_CONNECT_RETRY=10;"
|
||
|
|
startReplica="START REPLICA;"
|
||
|
|
fi
|
||
|
|
fi
|
||
|
|
|
||
|
|
mysql_note "Securing system users (equivalent to running mysql_secure_installation)"
|
||
|
|
# tell docker_process_sql to not use MARIADB_ROOT_PASSWORD since it is just now being set
|
||
|
|
# --binary-mode to save us from the semi-mad users go out of their way to confuse the encoding.
|
||
|
|
docker_process_sql --dont-use-mysql-root-password --database=mysql --binary-mode <<-EOSQL
|
||
|
|
-- Securing system users shouldn't be replicated
|
||
|
|
SET @orig_sql_log_bin= @@SESSION.SQL_LOG_BIN;
|
||
|
|
SET @@SESSION.SQL_LOG_BIN=0;
|
||
|
|
-- we need the SQL_MODE NO_BACKSLASH_ESCAPES mode to be clear for the password to be set
|
||
|
|
SET @@SESSION.SQL_MODE=REPLACE(@@SESSION.SQL_MODE, 'NO_BACKSLASH_ESCAPES', '');
|
||
|
|
|
||
|
|
DROP USER IF EXISTS root@'127.0.0.1', root@'::1';
|
||
|
|
EXECUTE IMMEDIATE CONCAT('DROP USER IF EXISTS root@\'', @@hostname,'\'');
|
||
|
|
|
||
|
|
${rootLocalhostPass}
|
||
|
|
${rootCreate}
|
||
|
|
${mysqlAtLocalhost}
|
||
|
|
${mysqlAtLocalhostGrants}
|
||
|
|
${createHealthCheckUsers}
|
||
|
|
-- end of securing system users, rest of init now...
|
||
|
|
SET @@SESSION.SQL_LOG_BIN=@orig_sql_log_bin;
|
||
|
|
-- create users/databases
|
||
|
|
${createDatabase}
|
||
|
|
${createUser}
|
||
|
|
${createReplicaUser}
|
||
|
|
${userGrants}
|
||
|
|
|
||
|
|
${changeMasterTo}
|
||
|
|
${startReplica}
|
||
|
|
EOSQL
|
||
|
|
}
|
||
|
|
|
||
|
|
# create a new installation
|
||
|
|
docker_mariadb_init() {
|
||
|
|
|
||
|
|
# check dir permissions to reduce likelihood of half-initialized database
|
||
|
|
ls /docker-entrypoint-initdb.d/ >/dev/null
|
||
|
|
|
||
|
|
if [ -n "$DATABASE_INIT_FROM_BACKUP" ]; then
|
||
|
|
shopt -s dotglob
|
||
|
|
for file in /docker-entrypoint-initdb.d/*.tar{.gz,.xz,.zst}; do
|
||
|
|
mkdir -p "$DATADIR"/.init
|
||
|
|
tar --auto-compress --extract --file "$file" --directory="$DATADIR"/.init
|
||
|
|
mariadb-backup --target-dir="$DATADIR"/.init --datadir="$DATADIR"/.restore --move-back
|
||
|
|
|
||
|
|
mv "$DATADIR"/.restore/** "$DATADIR"/
|
||
|
|
if [ -f "$DATADIR/.init/backup-my.cnf" ]; then
|
||
|
|
mv "$DATADIR/.init/backup-my.cnf" "$DATADIR/.my.cnf"
|
||
|
|
mysql_note "Adding startup configuration:"
|
||
|
|
my_print_defaults --defaults-file="$DATADIR/.my.cnf" --mariadbd
|
||
|
|
fi
|
||
|
|
rm -rf "$DATADIR"/.init "$DATADIR"/.restore
|
||
|
|
if [ "$(id -u)" = "0" ]; then
|
||
|
|
# this will cause less disk access than `chown -R`
|
||
|
|
find "$DATADIR" \! -user mysql \( -exec chown mysql: '{}' + -o -true \)
|
||
|
|
fi
|
||
|
|
done
|
||
|
|
if _check_if_upgrade_is_needed; then
|
||
|
|
docker_mariadb_upgrade "$@"
|
||
|
|
fi
|
||
|
|
return
|
||
|
|
fi
|
||
|
|
docker_init_database_dir "$@"
|
||
|
|
|
||
|
|
mysql_note "Starting temporary server"
|
||
|
|
docker_temp_server_start "$@"
|
||
|
|
mysql_note "Temporary server started."
|
||
|
|
|
||
|
|
docker_setup_db
|
||
|
|
docker_process_init_files /docker-entrypoint-initdb.d/*
|
||
|
|
# Wait until after /docker-entrypoint-initdb.d is performed before setting
|
||
|
|
# root@localhost password to a hash we don't know the password for.
|
||
|
|
if [ -n "${MARIADB_ROOT_PASSWORD_HASH}" ]; then
|
||
|
|
mysql_note "Setting root@localhost password hash"
|
||
|
|
docker_process_sql --dont-use-mysql-root-password --binary-mode <<-EOSQL
|
||
|
|
SET @@SESSION.SQL_LOG_BIN=0;
|
||
|
|
SET PASSWORD FOR 'root'@'localhost'= '${MARIADB_ROOT_PASSWORD_HASH}';
|
||
|
|
EOSQL
|
||
|
|
fi
|
||
|
|
|
||
|
|
mysql_note "Stopping temporary server"
|
||
|
|
docker_temp_server_stop
|
||
|
|
mysql_note "Temporary server stopped"
|
||
|
|
|
||
|
|
echo
|
||
|
|
mysql_note "MariaDB init process done. Ready for start up."
|
||
|
|
echo
|
||
|
|
}
|
||
|
|
|
||
|
|
# backup the mysql database
|
||
|
|
docker_mariadb_backup_system() {
|
||
|
|
if [ -n "$MARIADB_DISABLE_UPGRADE_BACKUP" ] &&
|
||
|
|
[ "$MARIADB_DISABLE_UPGRADE_BACKUP" = 1 ]; then
|
||
|
|
mysql_note "MariaDB upgrade backup disabled due to \$MARIADB_DISABLE_UPGRADE_BACKUP=1 setting"
|
||
|
|
return
|
||
|
|
fi
|
||
|
|
local backup_db="system_mysql_backup_unknown_version.sql.zst"
|
||
|
|
local oldfullversion="unknown_version"
|
||
|
|
if [ -r "$DATADIR"/mariadb_upgrade_info ]; then
|
||
|
|
read -r -d '' oldfullversion <"$DATADIR"/mariadb_upgrade_info || true
|
||
|
|
if [ -n "$oldfullversion" ]; then
|
||
|
|
backup_db="system_mysql_backup_${oldfullversion}.sql.zst"
|
||
|
|
fi
|
||
|
|
fi
|
||
|
|
|
||
|
|
mysql_note "Backing up system database to $backup_db"
|
||
|
|
if ! mariadb-dump --skip-lock-tables --replace --databases mysql --socket="${SOCKET}" | zstd >"${DATADIR}/${backup_db}"; then
|
||
|
|
mysql_error "Unable backup system database for upgrade from $oldfullversion."
|
||
|
|
fi
|
||
|
|
mysql_note "Backing up complete"
|
||
|
|
}
|
||
|
|
|
||
|
|
# perform mariadb-upgrade
|
||
|
|
# backup the mysql database if this is a major upgrade
|
||
|
|
docker_mariadb_upgrade() {
|
||
|
|
if [ -z "$MARIADB_AUTO_UPGRADE" ] ||
|
||
|
|
[ "$MARIADB_AUTO_UPGRADE" = 0 ]; then
|
||
|
|
mysql_note "MariaDB upgrade (mariadb-upgrade or creating healthcheck users) required, but skipped due to \$MARIADB_AUTO_UPGRADE setting"
|
||
|
|
return
|
||
|
|
fi
|
||
|
|
mysql_note "Starting temporary server"
|
||
|
|
docker_temp_server_start "$@" --skip-grant-tables \
|
||
|
|
--loose-innodb_buffer_pool_dump_at_shutdown=0 \
|
||
|
|
--skip-slave-start
|
||
|
|
mysql_note "Temporary server started."
|
||
|
|
|
||
|
|
docker_mariadb_backup_system
|
||
|
|
|
||
|
|
if [ ! -f "$DATADIR"/.my-healthcheck.cnf ]; then
|
||
|
|
mysql_note "Creating healthcheck users"
|
||
|
|
local createHealthCheckUsers
|
||
|
|
createHealthCheckUsers=$(create_healthcheck_users)
|
||
|
|
docker_process_sql --dont-use-mysql-root-password --binary-mode <<-EOSQL
|
||
|
|
-- Healthcheck users shouldn't be replicated
|
||
|
|
SET @@SESSION.SQL_LOG_BIN=0;
|
||
|
|
-- we need the SQL_MODE NO_BACKSLASH_ESCAPES mode to be clear for the password to be set
|
||
|
|
SET @@SESSION.SQL_MODE=REPLACE(@@SESSION.SQL_MODE, 'NO_BACKSLASH_ESCAPES', '');
|
||
|
|
FLUSH PRIVILEGES;
|
||
|
|
$createHealthCheckUsers
|
||
|
|
EOSQL
|
||
|
|
mysql_note "Stopping temporary server"
|
||
|
|
docker_temp_server_stop
|
||
|
|
mysql_note "Temporary server stopped"
|
||
|
|
|
||
|
|
if _check_if_upgrade_is_needed; then
|
||
|
|
# need a restart as FLUSH PRIVILEGES isn't reversable
|
||
|
|
mysql_note "Restarting temporary server for upgrade"
|
||
|
|
docker_temp_server_start "$@" --skip-grant-tables \
|
||
|
|
--loose-innodb_buffer_pool_dump_at_shutdown=0 \
|
||
|
|
--skip-slave-start
|
||
|
|
else
|
||
|
|
return 0
|
||
|
|
fi
|
||
|
|
fi
|
||
|
|
|
||
|
|
mysql_note "Starting mariadb-upgrade"
|
||
|
|
mariadb-upgrade --upgrade-system-tables
|
||
|
|
mysql_note "Finished mariadb-upgrade"
|
||
|
|
|
||
|
|
mysql_note "Stopping temporary server"
|
||
|
|
docker_temp_server_stop
|
||
|
|
mysql_note "Temporary server stopped"
|
||
|
|
}
|
||
|
|
|
||
|
|
_check_if_upgrade_is_needed() {
|
||
|
|
if [ ! -f "$DATADIR"/mariadb_upgrade_info ]; then
|
||
|
|
mysql_note "MariaDB upgrade information missing, assuming required"
|
||
|
|
return 0
|
||
|
|
fi
|
||
|
|
local mariadbVersion
|
||
|
|
mariadbVersion="$(_mariadb_version)"
|
||
|
|
IFS='.-' read -ra newversion <<<"$mariadbVersion"
|
||
|
|
IFS='.-' read -ra oldversion <"$DATADIR"/mariadb_upgrade_info || true
|
||
|
|
|
||
|
|
if [[ ${#newversion[@]} -lt 2 ]] || [[ ${#oldversion[@]} -lt 2 ]] ||
|
||
|
|
[[ ${oldversion[0]} -lt ${newversion[0]} ]] ||
|
||
|
|
[[ ${oldversion[0]} -eq ${newversion[0]} && ${oldversion[1]} -lt ${newversion[1]} ]]; then
|
||
|
|
return 0
|
||
|
|
fi
|
||
|
|
if [ ! -f "$DATADIR"/.my-healthcheck.cnf ]; then
|
||
|
|
mysql_note "MariaDB heathcheck configation file missing, assuming desirable"
|
||
|
|
return 0
|
||
|
|
fi
|
||
|
|
mysql_note "MariaDB upgrade not required"
|
||
|
|
return 1
|
||
|
|
}
|
||
|
|
|
||
|
|
# check arguments for an option that would cause mariadbd to stop
|
||
|
|
# return true if there is one
|
||
|
|
_mysql_want_help() {
|
||
|
|
local arg
|
||
|
|
for arg; do
|
||
|
|
case "$arg" in
|
||
|
|
-'?' | --help | --print-defaults | -V | --version)
|
||
|
|
return 0
|
||
|
|
;;
|
||
|
|
esac
|
||
|
|
done
|
||
|
|
return 1
|
||
|
|
}
|
||
|
|
|
||
|
|
_main() {
|
||
|
|
# if command starts with an option, prepend mariadbd
|
||
|
|
if [ "${1:0:1}" = '-' ]; then
|
||
|
|
set -- mariadbd "$@"
|
||
|
|
fi
|
||
|
|
|
||
|
|
#ENDOFSUBSTITUTIONS
|
||
|
|
# skip setup if they aren't running mysqld or want an option that stops mysqld
|
||
|
|
if [ "$1" = 'mariadbd' ] || [ "$1" = 'mysqld' ] && ! _mysql_want_help "$@"; then
|
||
|
|
mysql_note "Entrypoint script for MariaDB Server ${MARIADB_VERSION} started."
|
||
|
|
|
||
|
|
mysql_check_config "$@"
|
||
|
|
# Load various environment variables
|
||
|
|
docker_setup_env "$@"
|
||
|
|
docker_create_db_directories
|
||
|
|
|
||
|
|
# If container is started as root user, restart as dedicated mysql user
|
||
|
|
if [ "$(id -u)" = "0" ]; then
|
||
|
|
mysql_note "Switching to dedicated user 'mysql'"
|
||
|
|
exec gosu mysql "${BASH_SOURCE[0]}" "$@"
|
||
|
|
fi
|
||
|
|
|
||
|
|
# there's no database, so it needs to be initialized
|
||
|
|
if [ -z "$DATABASE_ALREADY_EXISTS" ]; then
|
||
|
|
docker_verify_minimum_env
|
||
|
|
|
||
|
|
docker_mariadb_init "$@"
|
||
|
|
# MDEV-27636 mariadb_upgrade --check-if-upgrade-is-needed cannot be run offline
|
||
|
|
#elif mariadb-upgrade --check-if-upgrade-is-needed; then
|
||
|
|
elif _check_if_upgrade_is_needed; then
|
||
|
|
docker_mariadb_upgrade "$@"
|
||
|
|
fi
|
||
|
|
fi
|
||
|
|
exec "$@"
|
||
|
|
}
|
||
|
|
|
||
|
|
# If we are sourced from elsewhere, don't perform any further actions
|
||
|
|
if ! _is_sourced; then
|
||
|
|
_main "$@"
|
||
|
|
fi
|