func (*UtilsSuite) TestGetBridgePorts(c *gc.C) {
fakeSysPath := filepath.Join(c.MkDir(), network.SysClassNetPath)
err := os.MkdirAll(fakeSysPath, 0700)
c.Check(err, jc.ErrorIsNil)
writeFakePorts := func(bridgeName string, portNames ...string) {
fakePortsPath := filepath.Join(fakeSysPath, bridgeName, "brif")
err := os.MkdirAll(fakePortsPath, 0700)
c.Check(err, jc.ErrorIsNil)
for _, portName := range portNames {
portPath := filepath.Join(fakePortsPath, portName)
err = ioutil.WriteFile(portPath, []byte(""), 0644)
c.Check(err, jc.ErrorIsNil)
}
}
result := network.GetBridgePorts(fakeSysPath, "missing")
c.Check(result, gc.IsNil)
writeFakePorts("br-eth0")
result = network.GetBridgePorts(fakeSysPath, "br-eth0")
c.Check(result, gc.IsNil)
writeFakePorts("br-eth0", "eth0")
result = network.GetBridgePorts(fakeSysPath, "br-eth0")
c.Check(result, jc.DeepEquals, []string{"eth0"})
writeFakePorts("br-ovs", "eth0", "eth1", "eth2")
result = network.GetBridgePorts(fakeSysPath, "br-ovs")
c.Check(result, jc.DeepEquals, []string{"eth0", "eth1", "eth2"})
}
func updateParentForBridgePorts(bridgeName, sysClassNetPath string, nameToConfigs map[string][]params.NetworkConfig) {
ports := network.GetBridgePorts(sysClassNetPath, bridgeName)
for _, portName := range ports {
portConfigs, ok := nameToConfigs[portName]
if ok {
portConfigs[0].ParentInterfaceName = bridgeName
} else {
portConfigs = []params.NetworkConfig{{ParentInterfaceName: bridgeName}}
}
nameToConfigs[portName] = portConfigs
}
}