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package network
import (
"fmt"
"net"
"github.com/containers/libpod/v2/cmd/podman/registry"
"github.com/containers/libpod/v2/libpod/define"
"github.com/containers/libpod/v2/pkg/domain/entities"
"github.com/containers/libpod/v2/pkg/network"
"github.com/pkg/errors"
"github.com/spf13/cobra"
"github.com/spf13/pflag"
)
var (
networkCreateDescription = `create CNI networks for containers and pods`
networkCreateCommand = &cobra.Command{
Use: "create [flags] [NETWORK]",
Short: "network create",
Long: networkCreateDescription,
RunE: networkCreate,
Example: `podman network create podman1`,
Annotations: map[string]string{
registry.ParentNSRequired: "",
},
}
)
var (
networkCreateOptions entities.NetworkCreateOptions
)
func networkCreateFlags(flags *pflag.FlagSet) {
flags.StringVarP(&networkCreateOptions.Driver, "driver", "d", "bridge", "driver to manage the network")
flags.IPVar(&networkCreateOptions.Gateway, "gateway", nil, "IPv4 or IPv6 gateway for the subnet")
flags.BoolVar(&networkCreateOptions.Internal, "internal", false, "restrict external access from this network")
flags.IPNetVar(&networkCreateOptions.Range, "ip-range", net.IPNet{}, "allocate container IP from range")
flags.StringVar(&networkCreateOptions.MacVLAN, "macvlan", "", "create a Macvlan connection based on this device")
// TODO not supported yet
//flags.StringVar(&networkCreateOptions.IPamDriver, "ipam-driver", "", "IP Address Management Driver")
// TODO enable when IPv6 is working
//flags.BoolVar(&networkCreateOptions.IPV6, "IPv6", false, "enable IPv6 networking")
flags.IPNetVar(&networkCreateOptions.Subnet, "subnet", net.IPNet{}, "subnet in CIDR format")
flags.BoolVar(&networkCreateOptions.DisableDNS, "disable-dns", false, "disable dns plugin")
}
func init() {
registry.Commands = append(registry.Commands, registry.CliCommand{
Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
Command: networkCreateCommand,
Parent: networkCmd,
})
flags := networkCreateCommand.Flags()
networkCreateFlags(flags)
}
func networkCreate(cmd *cobra.Command, args []string) error {
var (
name string
)
if err := network.IsSupportedDriver(networkCreateOptions.Driver); err != nil {
return err
}
if len(args) > 1 {
return errors.Errorf("only one network can be created at a time")
}
if len(args) > 0 && !define.NameRegex.MatchString(args[0]) {
return define.RegexError
}
if len(args) > 0 {
name = args[0]
}
response, err := registry.ContainerEngine().NetworkCreate(registry.Context(), name, networkCreateOptions)
if err != nil {
return err
}
fmt.Println(response.Filename)
return nil
}
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