mirror of https://github.com/pressly/goose.git
60 lines
1.2 KiB
Go
60 lines
1.2 KiB
Go
package main
|
|
|
|
import (
|
|
"flag"
|
|
"fmt"
|
|
"github.com/bmizerany/pq"
|
|
"github.com/kylelemons/go-gypsy/yaml"
|
|
"os"
|
|
"path/filepath"
|
|
)
|
|
|
|
// global options. available to any subcommands.
|
|
var dbPath = flag.String("path", "db", "folder containing db info")
|
|
var dbEnv = flag.String("env", "development", "which DB environment to use")
|
|
|
|
type DBConf struct {
|
|
MigrationsDir string
|
|
Env string
|
|
Driver string
|
|
OpenStr string
|
|
}
|
|
|
|
// extract configuration details from the given file
|
|
func MakeDBConf() (*DBConf, error) {
|
|
|
|
cfgFile := filepath.Join(*dbPath, "dbconf.yml")
|
|
|
|
f, err := yaml.ReadFile(cfgFile)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
drv, derr := f.Get(fmt.Sprintf("%s.driver", *dbEnv))
|
|
if derr != nil {
|
|
return nil, derr
|
|
}
|
|
|
|
open, oerr := f.Get(fmt.Sprintf("%s.open", *dbEnv))
|
|
if oerr != nil {
|
|
return nil, oerr
|
|
}
|
|
open = os.ExpandEnv(open)
|
|
|
|
// Automatically parse postgres urls
|
|
if drv == "postgres" {
|
|
parsed_open, parse_err := pq.ParseURL(open)
|
|
// Assumption: If we can parse the URL, we should
|
|
if parse_err == nil && parsed_open != "" {
|
|
open = parsed_open
|
|
}
|
|
}
|
|
|
|
return &DBConf{
|
|
MigrationsDir: filepath.Join(*dbPath, "migrations"),
|
|
Env: *dbEnv,
|
|
Driver: drv,
|
|
OpenStr: open,
|
|
}, nil
|
|
}
|