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cfg.go
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cfg.go
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// Copyright (c) 2013, 2014 Akamai Technologies, Inc.
package cfg
import (
"database/sql"
"flag"
"github.com/golang/glog"
_ "github.com/mattn/go-sqlite3"
)
var configSqlite = flag.String("config.sqlite", "config.db", "path to config database")
var db *sql.DB
func init() {
var err error
if configSqlite != nil && *configSqlite != "" {
db, err = sql.Open("sqlite3", *configSqlite)
if err != nil {
glog.Fatalf("unable to open config database %q", *configSqlite)
}
}
}
func Int(key string) (int, error) {
var val int
row := db.QueryRow("SELECT val FROM C WHERE key = ?;", key)
err := row.Scan(&val)
return val, err
}
func String(key string) (string, error) {
var val string
row := db.QueryRow("SELECT val FROM C WHERE key = ?;", key)
err := row.Scan(&val)
return val, err
}
func MustInt(key string) int {
val, err := Int(key)
if err != nil {
glog.Fatalf("Unable to retrieve value for key %q", key)
}
return val
}
func MustString(key string) string {
val, err := String(key)
if err != nil {
glog.Fatalf("Unable to retrieve value for key %q", key)
}
return val
}