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initial implementation of network create. we only support bridging networks with this first pass. Signed-off-by: baude <bbaude@redhat.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| // +build !remoteclient | ||
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| package main | ||
|
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| import ( | ||
| "fmt" | ||
| "github.com/containers/libpod/pkg/network" | ||
| "net" | ||
|
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| "github.com/containers/libpod/cmd/podman/cliconfig" | ||
| "github.com/containers/libpod/pkg/adapter" | ||
| "github.com/containers/libpod/pkg/rootless" | ||
| "github.com/pkg/errors" | ||
| "github.com/spf13/cobra" | ||
| ) | ||
|
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| var ( | ||
| networkCreateCommand cliconfig.NetworkCreateValues | ||
| networkCreateDescription = `create CNI networks for containers and pods` | ||
| _networkCreateCommand = &cobra.Command{ | ||
| Use: "create [flags] [NETWORK]", | ||
| Short: "network create", | ||
| Long: networkCreateDescription, | ||
| RunE: func(cmd *cobra.Command, args []string) error { | ||
| networkCreateCommand.InputArgs = args | ||
| networkCreateCommand.GlobalFlags = MainGlobalOpts | ||
| networkCreateCommand.Remote = remoteclient | ||
| return networkcreateCmd(&networkCreateCommand) | ||
| }, | ||
| Example: `podman network create podman1`, | ||
| } | ||
| ) | ||
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| func init() { | ||
| networkCreateCommand.Command = _networkCreateCommand | ||
| networkCreateCommand.SetHelpTemplate(HelpTemplate()) | ||
| networkCreateCommand.SetUsageTemplate(UsageTemplate()) | ||
| flags := networkCreateCommand.Flags() | ||
| flags.StringVarP(&networkCreateCommand.Driver, "driver", "d", "bridge", "driver to manage the network") | ||
| flags.IPVar(&networkCreateCommand.Gateway, "gateway", nil, "IPv4 or IPv6 gateway for the subnet") | ||
| flags.BoolVar(&networkCreateCommand.Internal, "internal", false, "restrict external access from this network") | ||
| flags.IPNetVar(&networkCreateCommand.IPRange, "ip-range", net.IPNet{}, "allocate container IP from range") | ||
| // TODO not supported yet | ||
| //flags.StringVar(&networkCreateCommand.IPamDriver, "ipam-driver", "", "IP Address Management Driver") | ||
| // TODO enable when IPv6 is working | ||
| //flags.BoolVar(&networkCreateCommand.IPV6, "IPv6", false, "enable IPv6 networking") | ||
| flags.IPNetVar(&networkCreateCommand.Network, "subnet", net.IPNet{}, "subnet in CIDR format") | ||
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| } | ||
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| func networkcreateCmd(c *cliconfig.NetworkCreateValues) error { | ||
| if err := network.IsSupportedDriver(c.Driver); err != nil { | ||
| return err | ||
| } | ||
| if rootless.IsRootless() && !remoteclient { | ||
| return errors.New("network create is not supported for rootless mode") | ||
| } | ||
| if len(c.InputArgs) > 1 { | ||
| return errors.Errorf("only one network can be created at a time") | ||
| } | ||
| runtime, err := adapter.GetRuntimeNoStore(getContext(), &c.PodmanCommand) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| fileName, err := runtime.NetworkCreate(c) | ||
| if err == nil { | ||
| fmt.Println(fileName) | ||
| } | ||
| return err | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| % podman-network-create(1) | ||
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| ## NAME | ||
| podman\-network-create - Create a Podman CNI network | ||
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| ## SYNOPSIS | ||
| **podman network create** [*options*] name | ||
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| ## DESCRIPTION | ||
| Create a CNI-network configuration for use with Podman. At the time of this writing, the only network | ||
| type that can be created is a *bridge* network. | ||
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| If no options are provided, Podman will assign a free subnet and name for your network. | ||
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| Upon completion of creating the network, Podman will display the path to the newly added network file. | ||
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| ## OPTIONS | ||
| **-d**, , **--driver** | ||
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| Driver to manage the network (default "bridge"). Currently on `bridge` is supported. | ||
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| **--gateway** | ||
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| Define a gateway for the subnet. If you want to provide a gateway address, you must also provide a | ||
| *subnet* option. | ||
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| **--internal** | ||
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| Restrict external access of this network | ||
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| **--ip-range** | ||
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| Allocate container IP from a range. The range must be a complete subnet and in CIDR notation. The *ip-range* option | ||
| must be used with a *subnet* option. | ||
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| **--subnet** | ||
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| The subnet in CIDR notation. | ||
|
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| ## EXAMPLE | ||
|
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| Create a network with no options | ||
| ``` | ||
| # podman network create | ||
| /etc/cni/net.d/cni-podman-4.conflist | ||
| ``` | ||
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| Create a network named *newnet* that uses *192.5.0.0/16* for its subnet. | ||
| ``` | ||
| # podman network create --subnet 192.5.0.0/16 newnet | ||
| /etc/cni/net.d/newnet.conflist | ||
| ``` | ||
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| Create a network named *newnet* that uses *192.168.33.0/24* and defines a gateway as *192.168.133.3* | ||
| ``` | ||
| # podman network create --subnet 192.168.33.0/24 --gateway 192.168.33.3 newnet | ||
| /etc/cni/net.d/newnet.conflist | ||
| ``` | ||
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| Create a network that uses a *192.168.55.0/24** subnet and has an IP address range of *192.168.55.129 - 192.168.55.254*. | ||
| ``` | ||
| # podman network create --subnet 192.168.55.0/24 --ip-range 192.168.55.128/25 | ||
| /etc/cni/net.d/cni-podman-5.conflist | ||
| ``` | ||
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| ## SEE ALSO | ||
| podman(1), podman-network(1), podman-network-inspect(1) | ||
|
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| ## HISTORY | ||
| August 2019, Originally compiled by Brent Baude <bbaude@redhat.com> |
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