package common import ( "net" "github.com/containers/libpod/pkg/domain/entities" "github.com/containers/libpod/pkg/rootless" "github.com/spf13/cobra" "github.com/spf13/pflag" ) func getDefaultNetwork() string { if rootless.IsRootless() { return "slirp4netns" } return "bridge" } func GetNetFlags() *pflag.FlagSet { netFlags := pflag.FlagSet{} netFlags.StringSlice( "add-host", []string{}, "Add a custom host-to-IP mapping (host:ip) (default [])", ) netFlags.StringSlice( "dns", []string{}, "Set custom DNS servers", ) netFlags.StringSlice( "dns-opt", []string{}, "Set custom DNS options", ) netFlags.StringSlice( "dns-search", []string{}, "Set custom DNS search domains", ) netFlags.String( "ip", "", "Specify a static IPv4 address for the container", ) netFlags.String( "mac-address", "", "Container MAC address (e.g. 92:d0:c6:0a:29:33)", ) netFlags.String( "network", getDefaultNetwork(), "Connect a container to a network", ) netFlags.StringSliceP( "publish", "p", []string{}, "Publish a container's port, or a range of ports, to the host (default [])", ) netFlags.Bool( "no-hosts", false, "Do not create /etc/hosts within the container, instead use the version from the image", ) return &netFlags } func NetFlagsToNetOptions(cmd *cobra.Command) (*entities.NetOptions, error) { var ( err error ) opts := entities.NetOptions{} opts.AddHosts, err = cmd.Flags().GetStringSlice("add-host") if err != nil { return nil, err } servers, err := cmd.Flags().GetStringSlice("dns") if err != nil { return nil, err } for _, d := range servers { if d == "none" { opts.DNSHost = true break } opts.DNSServers = append(opts.DNSServers, net.ParseIP(d)) } opts.DNSSearch, err = cmd.Flags().GetStringSlice("dns-search") if err != nil { return nil, err } m, err := cmd.Flags().GetString("mac-address") if err != nil { return nil, err } if len(m) > 0 { mac, err := net.ParseMAC(m) if err != nil { return nil, err } opts.StaticMAC = &mac } inputPorts, err := cmd.Flags().GetStringSlice("publish") if err != nil { return nil, err } if len(inputPorts) > 0 { opts.PublishPorts, err = createPortBindings(inputPorts) if err != nil { return nil, err } } opts.NoHosts, err = cmd.Flags().GetBool("no-hosts") return &opts, err }