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#!/bin/bash
set -e
usage() {
cat <<EOF
$(basename $0) [--force] [--verbose] ...
All unrecognised arguments will be passed through to the 'mysql' command.
Accepts environment variables:
- MYSQL_ROOT_USER: A user with sufficient rights to create/reset the CT
database (default: root).
- MYSQL_ROOT_PASSWORD: The password for \$MYSQL_ROOT_USER (default: none).
- MYSQL_HOST: The hostname of the MySQL server (default: localhost).
- MYSQL_PORT: The port the MySQL server is listening on (default: 3306).
- MYSQL_DATABASE: The name to give to the new CT user and database
(default: cttest).
- MYSQL_USER: The name to give to the new CT user (default: cttest).
- MYSQL_PASSWORD: The password to use for the new CT user
(default: beeblebrox).
- MYSQL_USER_HOST: The host that the CT user will connect from; use '%' as
a wildcard (default: localhost).
EOF
}
die() {
echo "$*" > /dev/stderr
exit 1
}
collect_vars() {
# set unset environment variables to defaults
[ -z ${MYSQL_ROOT_USER+x} ] && MYSQL_ROOT_USER="root"
[ -z ${MYSQL_HOST+x} ] && MYSQL_HOST="localhost"
[ -z ${MYSQL_PORT+x} ] && MYSQL_PORT="3306"
[ -z ${MYSQL_DATABASE+x} ] && MYSQL_DATABASE="cttest"
[ -z ${MYSQL_USER+x} ] && MYSQL_USER="cttest"
[ -z ${MYSQL_PASSWORD+x} ] && MYSQL_PASSWORD="beeblebrox"
[ -z ${MYSQL_USER_HOST+x} ] && MYSQL_USER_HOST="localhost"
FLAGS=()
# handle flags
FORCE=false
VERBOSE=false
while [[ $# -gt 0 ]]; do
case "$1" in
--force) FORCE=true ;;
--verbose) VERBOSE=true ;;
--help) usage; exit ;;
*) FLAGS+=("$1")
esac
shift 1
done
FLAGS+=(-u "${MYSQL_ROOT_USER}")
FLAGS+=(--host "${MYSQL_HOST}")
FLAGS+=(--port "${MYSQL_PORT}")
# Optionally print flags (before appending password)
[[ ${VERBOSE} = 'true' ]] && echo "- Using MySQL Flags: ${FLAGS[@]}"
# append password if supplied
[ -z ${MYSQL_ROOT_PASSWORD+x} ] || FLAGS+=(-p"${MYSQL_ROOT_PASSWORD}")
}
main() {
collect_vars "$@"
readonly CT_GO_PATH=$(go list -f '{{.Dir}}' github.com/google/certificate-transparency-go)
echo "Warning: about to destroy and reset database '${MYSQL_DATABASE}'"
[[ ${FORCE} = true ]] || read -p "Are you sure? [Y/N]: " -n 1 -r
echo # Print newline following the above prompt
if [ -z ${REPLY+x} ] || [[ $REPLY =~ ^[Yy]$ ]]
then
echo "Resetting DB..."
mysql "${FLAGS[@]}" -e "DROP DATABASE IF EXISTS ${MYSQL_DATABASE};" || \
die "Error: Failed to drop database '${MYSQL_DATABASE}'."
mysql "${FLAGS[@]}" -e "CREATE DATABASE ${MYSQL_DATABASE};" || \
die "Error: Failed to create database '${MYSQL_DATABASE}'."
mysql "${FLAGS[@]}" -e "CREATE USER IF NOT EXISTS ${MYSQL_USER}@'${MYSQL_USER_HOST}' IDENTIFIED BY '${MYSQL_PASSWORD}';" || \
die "Error: Failed to create user '${MYSQL_USER}@${MYSQL_USER_HOST}'."
mysql "${FLAGS[@]}" -e "GRANT ALL ON ${MYSQL_DATABASE}.* TO ${MYSQL_USER}@'${MYSQL_USER_HOST}';" || \
die "Error: Failed to grant '${MYSQL_USER}' user all privileges on '${MYSQL_DATABASE}'."
mysql "${FLAGS[@]}" -e "FLUSH PRIVILEGES;" || \
die "Error: Failed to flush privileges."
mysql "${FLAGS[@]}" -D ${MYSQL_DATABASE} < ${CT_GO_PATH}/trillian/ctfe/storage/mysql/schema.sql || \
die "Error: Failed to import schema in '${MYSQL_DATABASE}' database."
echo "Reset Complete"
fi
}
main "$@"
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