terraform/builtin/providers/postgresql/config.go

58 lines
1.5 KiB
Go

package postgresql
import (
"database/sql"
"fmt"
"log"
_ "github.com/lib/pq" //PostgreSQL db
)
// Config - provider config
type Config struct {
Host string
Port int
Database string
Username string
Password string
SSLMode string
ApplicationName string
Timeout int
ConnectTimeoutSec int
}
// Client struct holding connection string
type Client struct {
username string
connStr string
}
// NewClient returns new client config
func (c *Config) NewClient() (*Client, error) {
// NOTE: dbname must come before user otherwise dbname will be set to
// user.
const dsnFmt = "host=%s port=%d dbname=%s user=%s password=%s sslmode=%s fallback_application_name=%s connect_timeout=%d"
logDSN := fmt.Sprintf(dsnFmt, c.Host, c.Port, c.Database, c.Username, "<redacted>", c.SSLMode, c.ApplicationName, c.ConnectTimeoutSec)
log.Printf("[INFO] PostgreSQL DSN: `%s`", logDSN)
connStr := fmt.Sprintf(dsnFmt, c.Host, c.Port, c.Database, c.Username, c.Password, c.SSLMode, c.ApplicationName, c.ConnectTimeoutSec)
client := Client{
connStr: connStr,
username: c.Username,
}
return &client, nil
}
// Connect will manually connect/disconnect to prevent a large
// number or db connections being made
func (c *Client) Connect() (*sql.DB, error) {
db, err := sql.Open("postgres", c.connStr)
if err != nil {
return nil, fmt.Errorf("Error connecting to PostgreSQL server: %s", err)
}
return db, nil
}