Files
nixos/hosts/amzebs-01/modules/mysql.nix

44 lines
1.1 KiB
Nix

{ pkgs, config, ... }:
{
services.mysql = {
enable = true;
package = pkgs.mariadb;
settings = {
mysqld = {
max_allowed_packet = "64M";
transaction_isolation = "READ-COMMITTED";
binlog_format = "ROW";
# Allow remote connections
bind-address = "0.0.0.0";
};
};
};
# Create read-only user for remote access after MySQL starts
systemd.services.mysql-setup-readonly-user = {
description = "Setup MySQL read-only user";
after = [ "mysql.service" ];
wantedBy = [ "multi-user.target" ];
serviceConfig = {
Type = "oneshot";
RemainAfterExit = true;
User = "root";
};
script = ''
PASSWORD=$(cat ${config.sops.secrets.mysql-readonly-password.path})
${pkgs.mariadb}/bin/mysql -u root <<EOF
CREATE USER IF NOT EXISTS 'api_ebs_amz_at_ro'@'%' IDENTIFIED BY '$PASSWORD';
GRANT SELECT ON api_ebs_amz_at.* TO 'api_ebs_amz_at_ro'@'%';
FLUSH PRIVILEGES;
EOF
'';
};
services.mysqlBackup.enable = true;
sops.secrets.mysql-readonly-password = {
owner = "mysql";
};
}