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os/config/cloudinit/network/packet.go
2018-09-19 17:18:49 +08:00

121 lines
3.1 KiB
Go

// Copyright 2015 CoreOS, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package network
import (
"net"
"github.com/rancher/os/pkg/netconf"
)
func ProcessPacketNetconf(netdata netconf.NetworkConfig) ([]InterfaceGenerator, error) {
var nameservers []net.IP
for _, v := range netdata.DNS.Nameservers {
nameservers = append(nameservers, net.ParseIP(v))
}
if len(nameservers) == 0 {
nameservers = append(nameservers, net.ParseIP("8.8.8.8"), net.ParseIP("8.8.4.4"))
}
generators, err := parseNetwork(netdata, nameservers)
if err != nil {
return nil, err
}
return generators, nil
}
func parseNetwork(netdata netconf.NetworkConfig, nameservers []net.IP) ([]InterfaceGenerator, error) {
var interfaces []InterfaceGenerator
var addresses []net.IPNet
var routes []route
// TODO: commented out because we don't use it - should combine with the code we do use...
/* for _, netblock := range netdata.Netblocks {
addresses = append(addresses, net.IPNet{
IP: netblock.Address,
Mask: net.IPMask(netblock.Netmask),
})
if netblock.Public == false {
routes = append(routes, route{
destination: net.IPNet{
IP: net.IPv4(10, 0, 0, 0),
Mask: net.IPv4Mask(255, 0, 0, 0),
},
gateway: netblock.Gateway,
})
} else {
if netblock.AddressFamily == 4 {
routes = append(routes, route{
destination: net.IPNet{
IP: net.IPv4zero,
Mask: net.IPMask(net.IPv4zero),
},
gateway: netblock.Gateway,
})
} else {
routes = append(routes, route{
destination: net.IPNet{
IP: net.IPv6zero,
Mask: net.IPMask(net.IPv6zero),
},
gateway: netblock.Gateway,
})
}
}
}
*/
bond := bondInterface{
logicalInterface: logicalInterface{
name: "bond0",
config: configMethodStatic{
addresses: addresses,
nameservers: nameservers,
routes: routes,
},
},
options: map[string]string{
"Mode": "802.3ad",
"LACPTransmitRate": "fast",
"MIIMonitorSec": ".2",
"UpDelaySec": ".2",
"DownDelaySec": ".2",
},
}
//bond.hwaddr, _ = net.ParseMAC(netdata.Interfaces[0].Mac)
index := 0
for name := range netdata.Interfaces {
bond.slaves = append(bond.slaves, name)
interfaces = append(interfaces, &physicalInterface{
logicalInterface: logicalInterface{
name: name,
config: configMethodStatic{
nameservers: nameservers,
},
children: []networkInterface{&bond},
configDepth: index,
},
})
index = index + 1
}
interfaces = append(interfaces, &bond)
return interfaces, nil
}