taleintervenor dfaef9d393 syscontainer-tools: update license to Mulan PSL v2
reason: update license to Mulan PSL v2

Signed-off-by: taleintervenor <taleintervenor@aliyun.com>
2020-04-27 14:54:17 +08:00

50 lines
1.6 KiB
Go

// Copyright (c) Huawei Technologies Co., Ltd. 2018-2019. All rights reserved.
// syscontainer-tools is licensed under the Mulan PSL v2.
// You can use this software according to the terms and conditions of the Mulan PSL v2.
// You may obtain a copy of Mulan PSL v2 at:
// http://license.coscl.org.cn/MulanPSL2
// THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
// PURPOSE.
// See the Mulan PSL v2 for more details.
// Description: init bridge driver
// Author: zhangwei
// Create: 2018-01-18
package bridge
import (
"os/exec"
"isula.org/syscontainer-tools/libnetwork/bridge/api"
"isula.org/syscontainer-tools/libnetwork/bridge/linux"
"isula.org/syscontainer-tools/libnetwork/bridge/ovs"
)
var supportedDrivers map[string]api.BridgeDriver = make(map[string]api.BridgeDriver)
func init() {
type initFunction func() api.BridgeDriver
for name, initFunc := range map[string]initFunction{
"linux": linux.Init,
"ovs": ovs.Init,
} {
supportedDrivers[name] = initFunc()
}
}
// GetDriver will return the bridge driver by name
func GetDriver(bridgeName string) api.BridgeDriver {
_, err := exec.Command("ovs-vsctl", "br-exists", bridgeName).CombinedOutput()
if err == nil {
// bridgeName is detected as an ovs bridge, return ovs driver
return supportedDrivers["ovs"]
}
// error happens, use linux bridge as default:
// 1. ovs-vsctl doesn't exist, or ovs not supported
// 2. bridgeName isn't ovs bridge
// whatever, fallthrough to default linux driver
return supportedDrivers["linux"]
}