Mainflux.mainflux/readers/cassandra/init.go

32 lines
674 B
Go

// Copyright (c) Mainflux
// SPDX-License-Identifier: Apache-2.0
package cassandra
import (
"github.com/gocql/gocql"
)
// DBConfig contains Cassandra DB specific parameters.
type DBConfig struct {
Hosts []string
Keyspace string
User string
Pass string
Port int
}
// Connect establishes connection to the Cassandra cluster.
func Connect(cfg DBConfig) (*gocql.Session, error) {
cluster := gocql.NewCluster(cfg.Hosts...)
cluster.Keyspace = cfg.Keyspace
cluster.Consistency = gocql.Quorum
cluster.Authenticator = gocql.PasswordAuthenticator{
Username: cfg.User,
Password: cfg.Pass,
}
cluster.Port = cfg.Port
return cluster.CreateSession()
}