func NewUIServer(host string, daemon *daemon.Daemon) (Server, error) {
router := NewUIRouter(daemon)
netStr, listAddr, err := common.ParseHost(host)
if err != nil {
return nil, err
}
listener, err := net.ListenTCP(netStr, listAddr)
if err != nil {
return nil, fmt.Errorf("failed to create listener socket: %s", err)
}
return server{listener, host, router}, nil
}
func (d *Daemon) GetUIIP() (*net.TCPAddr, error) {
_, listAddr, err := common.ParseHost(d.conf.UIServerAddr)
return listAddr, err
}
func initEnv(ctx *cli.Context) error {
config.OptsMU.Lock()
if ctx.GlobalBool("debug") {
common.SetupLOG(log, "DEBUG")
config.Opts.Set(endpoint.OptionDebug, true)
} else {
common.SetupLOG(log, "INFO")
}
config.Opts.Set(endpoint.OptionDropNotify, true)
config.Opts.Set(endpoint.OptionNAT46, true)
config.Opts.Set(daemon.OptionPolicyTracing, enableTracing)
config.Opts.Set(endpoint.OptionConntrack, !disableConntrack)
config.Opts.Set(endpoint.OptionConntrackAccounting, !disableConntrack)
config.Opts.Set(endpoint.OptionPolicy, !disablePolicy)
config.OptsMU.Unlock()
config.ValidLabelPrefixesMU.Lock()
if labelPrefixFile != "" {
var err error
config.ValidLabelPrefixes, err = labels.ReadLabelPrefixCfgFrom(labelPrefixFile)
if err != nil {
log.Fatalf("Unable to read label prefix file: %s\n", err)
}
} else {
config.ValidLabelPrefixes = labels.DefaultLabelPrefixCfg()
}
config.ValidLabelPrefixesMU.Unlock()
_, r, err := net.ParseCIDR(nat46prefix)
if err != nil {
log.Fatalf("Invalid NAT46 prefix %s: %s", nat46prefix, err)
}
config.NAT46Prefix = r
nodeAddress, err := addressing.NewNodeAddress(v6Address, v4Prefix, config.Device)
if err != nil {
log.Fatalf("Unable to parse node address: %s", err)
}
config.NodeAddress = nodeAddress
// Mount BPF Map directory if not already done
args := []string{"-q", common.BPFMapRoot}
_, err = exec.Command("mountpoint", args...).CombinedOutput()
if err != nil {
args = []string{"bpffs", common.BPFMapRoot, "-t", "bpf"}
out, err := exec.Command("mount", args...).CombinedOutput()
if err != nil {
log.Fatalf("Command execution failed: %s\n%s", err, out)
}
}
if config.IsK8sEnabled() && !strings.HasPrefix(config.K8sEndpoint, "http") {
config.K8sEndpoint = "http://" + config.K8sEndpoint
}
if uiServerAddr != "" {
if _, _, err := common.ParseHost(uiServerAddr); err != nil {
log.Fatalf("Invalid UI server address and port address '%s': %s", uiServerAddr, err)
}
config.UIServerAddr = uiServerAddr
}
return nil
}