ipld-eth-server/pkg/config/database.go
2020-05-11 10:50:05 -05:00

79 lines
2.8 KiB
Go

// VulcanizeDB
// Copyright © 2019 Vulcanize
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package config
import (
"fmt"
"github.com/spf13/viper"
)
// Env variables
const (
DATABASE_NAME = "DATABASE_NAME"
DATABASE_HOSTNAME = "DATABASE_HOSTNAME"
DATABASE_PORT = "DATABASE_PORT"
DATABASE_USER = "DATABASE_USER"
DATABASE_PASSWORD = "DATABASE_PASSWORD"
DATABASE_MAX_IDLE_CONNECTIONS = "DATABASE_MAX_IDLE_CONNECTIONS"
DATABASE_MAX_OPEN_CONNECTIONS = "DATABASE_MAX_OPEN_CONNECTIONS"
DATABASE_MAX_CONN_LIFETIME = "DATABASE_MAX_CONN_LIFETIME"
)
type Database struct {
Hostname string
Name string
User string
Password string
Port int
MaxIdle int
MaxOpen int
MaxLifetime int
}
func DbConnectionString(dbConfig Database) string {
if len(dbConfig.User) > 0 && len(dbConfig.Password) > 0 {
return fmt.Sprintf("postgresql://%s:%s@%s:%d/%s?sslmode=disable",
dbConfig.User, dbConfig.Password, dbConfig.Hostname, dbConfig.Port, dbConfig.Name)
}
if len(dbConfig.User) > 0 && len(dbConfig.Password) == 0 {
return fmt.Sprintf("postgresql://%s@%s:%d/%s?sslmode=disable",
dbConfig.User, dbConfig.Hostname, dbConfig.Port, dbConfig.Name)
}
return fmt.Sprintf("postgresql://%s:%d/%s?sslmode=disable", dbConfig.Hostname, dbConfig.Port, dbConfig.Name)
}
func (d *Database) Init() {
viper.BindEnv("database.name", DATABASE_NAME)
viper.BindEnv("database.hostname", DATABASE_HOSTNAME)
viper.BindEnv("database.port", DATABASE_PORT)
viper.BindEnv("database.user", DATABASE_USER)
viper.BindEnv("database.password", DATABASE_PASSWORD)
viper.BindEnv("database.maxIdle", DATABASE_MAX_IDLE_CONNECTIONS)
viper.BindEnv("database.maxOpen", DATABASE_MAX_OPEN_CONNECTIONS)
viper.BindEnv("database.maxLifetime", DATABASE_MAX_CONN_LIFETIME)
d.Name = viper.GetString("database.name")
d.Hostname = viper.GetString("database.hostname")
d.Port = viper.GetInt("database.port")
d.User = viper.GetString("database.user")
d.Password = viper.GetString("database.password")
d.MaxIdle = viper.GetInt("database.maxIdle")
d.MaxOpen = viper.GetInt("database.maxOpen")
d.MaxLifetime = viper.GetInt("database.maxLifetime")
}