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Signed-off-by: Balaji Vijayakumar <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "errors" | ||
| "fmt" | ||
| "os" | ||
| "strconv" | ||
|
|
||
| "github.com/lima-vm/lima/pkg/networks/usernet" | ||
| "github.com/spf13/cobra" | ||
| ) | ||
|
|
||
| func newUsernetCommand() *cobra.Command { | ||
| var hostagentCommand = &cobra.Command{ | ||
| Use: "usernet", | ||
| Short: "run usernet", | ||
| Args: cobra.ExactArgs(0), | ||
| RunE: usernetAction, | ||
| Hidden: true, | ||
| } | ||
| hostagentCommand.Flags().StringP("pidfile", "p", "", "write pid to file") | ||
| hostagentCommand.Flags().StringP("endpoint", "e", "", "exposes usernet api(s) on this endpoint") | ||
| hostagentCommand.Flags().String("listen-qemu", "", "listen for qemu connections") | ||
| hostagentCommand.Flags().String("listen", "", "listen on a Unix socket and receive Bess-compatible FDs as SCM_RIGHTS messages") | ||
| hostagentCommand.Flags().Int("mtu", 1500, "mtu") | ||
| return hostagentCommand | ||
| } | ||
|
|
||
| func usernetAction(cmd *cobra.Command, args []string) error { | ||
| pidfile, err := cmd.Flags().GetString("pidfile") | ||
| if err != nil { | ||
| return err | ||
| } | ||
| if pidfile != "" { | ||
| if _, err := os.Stat(pidfile); !errors.Is(err, os.ErrNotExist) { | ||
| return fmt.Errorf("pidfile %q already exists", pidfile) | ||
| } | ||
| if err := os.WriteFile(pidfile, []byte(strconv.Itoa(os.Getpid())+"\n"), 0644); err != nil { | ||
| return err | ||
| } | ||
| defer os.RemoveAll(pidfile) | ||
| } | ||
| endpoint, err := cmd.Flags().GetString("endpoint") | ||
| if err != nil { | ||
| return err | ||
| } | ||
| qemuSocket, err := cmd.Flags().GetString("listen-qemu") | ||
| if err != nil { | ||
| return err | ||
| } | ||
| fdSocket, err := cmd.Flags().GetString("listen") | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| mtu, err := cmd.Flags().GetInt("mtu") | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| os.RemoveAll(endpoint) | ||
| os.RemoveAll(qemuSocket) | ||
| os.RemoveAll(fdSocket) | ||
|
|
||
| return usernet.StartGVisorNetstack(cmd.Context(), &usernet.GVisorNetstackOpts{ | ||
| MTU: mtu, | ||
| Endpoint: endpoint, | ||
| QemuSocket: qemuSocket, | ||
| FdSocket: fdSocket, | ||
| }) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| # Example to run vz instance with experimental user-v2 network enabled | ||
| vmType: "vz" | ||
| images: | ||
| - location: "https://cloud-images.ubuntu.com/releases/22.04/release/ubuntu-22.04-server-cloudimg-amd64.img" | ||
| arch: "x86_64" | ||
| - location: "https://cloud-images.ubuntu.com/releases/22.04/release/ubuntu-22.04-server-cloudimg-arm64.img" | ||
| arch: "aarch64" | ||
|
|
||
| mounts: | ||
| - location: "~" | ||
| - location: "/tmp/lima" | ||
| writable: true | ||
| mountType: "virtiofs" | ||
| networks: | ||
| - lima: user-v2 |
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