go-ethereum/statediff/indexer/postgres/config.go
Roy Crihfield 51d20540ff Implement WriteStateDiffAt
Writes state diffs directly to postgres

Adds CLI flags to configure PG

Refactors builder output with callbacks

Copies refactored postgres handling code from ipld-eth-indexer
2020-10-23 21:47:44 +08:00

60 lines
1.9 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 postgres
import (
"fmt"
)
// 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 ConnectionParams struct {
Hostname string
Name string
User string
Password string
Port int
}
type ConnectionConfig struct {
MaxIdle int
MaxOpen int
MaxLifetime int
}
func DbConnectionString(params ConnectionParams) string {
if len(params.User) > 0 && len(params.Password) > 0 {
return fmt.Sprintf("postgresql://%s:%s@%s:%d/%s?sslmode=disable",
params.User, params.Password, params.Hostname, params.Port, params.Name)
}
if len(params.User) > 0 && len(params.Password) == 0 {
return fmt.Sprintf("postgresql://%s@%s:%d/%s?sslmode=disable",
params.User, params.Hostname, params.Port, params.Name)
}
return fmt.Sprintf("postgresql://%s:%d/%s?sslmode=disable", params.Hostname, params.Port, params.Name)
}