/
rethinkdb.go
56 lines (51 loc) · 1.04 KB
/
rethinkdb.go
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package rethinkdb
import (
"github.com/synw/goregraph/lib-r/state"
"github.com/synw/terr"
r "gopkg.in/dancannon/gorethink.v3"
)
var conn *r.Session
func InitDb() *terr.Trace {
cn, tr := connect()
if tr != nil {
tr := terr.Pass("db.rethinkdb.InitDb", tr)
return tr
}
conn = cn
return nil
}
func GetDbs() ([]string, *terr.Trace) {
var dbs []string
res, err := r.DBList().Run(conn)
if err != nil {
tr := terr.New("db.rethinkdb.GetDbs", err)
return dbs, tr
}
var row interface{}
for res.Next(&row) {
dbs = append(dbs, row.(string))
}
if res.Err() != nil {
tr := terr.New("db.rethinkdb.GetDbs", err)
return dbs, tr
}
return dbs, nil
}
func connect() (*r.Session, *terr.Trace) {
user := state.Conf.User
pwd := state.Conf.Pwd
addr := state.Conf.Addr
// connect to Rethinkdb
session, err := r.Connect(r.ConnectOpts{
Address: addr,
Username: user,
Password: pwd,
InitialCap: 10,
MaxOpen: 10,
})
if err != nil {
tr := terr.New("db.rethinkdb.connect()", err)
return session, tr
}
return session, nil
}