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utils.go
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/
utils.go
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// Copyright 2019 Antrea Authors
//
// 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 testing
import (
"net"
"strings"
"github.com/containernetworking/cni/pkg/types"
current "github.com/containernetworking/cni/pkg/types/100"
)
func GenerateIPAMResult(ipConfig []string, routeConfig []string, dnsConfig []string) *current.Result {
ipamResult := ¤t.Result{CNIVersion: current.ImplementedSpecVersion}
ipamResult.IPs = parseIPs(ipConfig)
ipamResult.Routes = parseRoute(routeConfig)
ipamResult.DNS = types.DNS{Nameservers: dnsConfig}
return ipamResult
}
func parseRoute(routeConfig []string) []*types.Route {
routes := make([]*types.Route, 0)
for _, rt := range routeConfig {
route := strings.Split(rt, ",")
_, dst, _ := net.ParseCIDR(strings.Trim(route[0], " "))
routeCfg := &types.Route{Dst: *dst}
if len(route) == 2 {
gw := net.ParseIP(strings.Trim(route[1], " "))
routeCfg.GW = gw
}
routes = append(routes, routeCfg)
}
return routes
}
func parseIPs(ips []string) []*current.IPConfig {
ipConfigs := make([]*current.IPConfig, 0)
for _, ipc := range ips {
configs := strings.Split(ipc, ",")
addr := strings.Trim(configs[0], " ")
gw := strings.Trim(configs[1], " ")
version := strings.Trim(configs[2], " ")
ipConfigs = append(ipConfigs, parseIPConfig(addr, gw, version))
}
return ipConfigs
}
func parseIPConfig(ipAddress string, gw string, version string) *current.IPConfig {
ip, ipv4Net, _ := net.ParseCIDR(ipAddress)
ipv4Net.IP = ip
ipConfig := ¤t.IPConfig{Address: *ipv4Net}
if gw != "" {
gateway := net.ParseIP(gw)
ipConfig.Gateway = gateway
}
return ipConfig
}