85 lines
1.8 KiB
Go
85 lines
1.8 KiB
Go
package main
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import (
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"fmt"
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"os"
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"github.com/BurntSushi/toml"
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"github.com/urfave/cli"
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)
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type runConfig struct {
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Image string `toml:"image"`
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Process struct {
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Args []string `toml:"args"`
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Env []string `toml:"env"`
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Cwd string `toml:"cwd"`
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Uid int `toml:"uid"`
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Gid int `toml:"gid"`
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Tty bool `toml:"tty"`
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} `toml:"process"`
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Network struct {
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Type string `toml:"type"`
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IP string `toml:"ip"`
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Gateway string `toml:"gateway"`
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} `toml:"network"`
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}
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var runCommand = cli.Command{
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Name: "run",
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Usage: "run a container",
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Action: func(context *cli.Context) error {
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var config runConfig
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if _, err := toml.DecodeFile(context.Args().First(), &config); err != nil {
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return err
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}
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id := context.Args().Get(1)
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if id == "" {
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return fmt.Errorf("containerd must be provided")
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}
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client, err := getClient(context)
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if err != nil {
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return err
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}
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clone, err := client.Images.Clone(config.Image)
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if err != nil {
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return err
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}
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container, err := client.Containers.Create(CreateRequest{
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Id: id,
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Mounts: clone.Mounts,
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Process: Process{
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Args: config.Args,
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Env: config.Env,
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Cwd: config.Cwd,
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Uid: config.Uid,
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Gid: config.Gid,
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Tty: config.Tty,
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Stdin: os.Stdin.Name(),
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Stdout: os.Stdout.Name(),
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Stderr: os.Stderr.Name(),
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},
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Tags: []string{
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"ctr",
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},
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})
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defer client.Containers.Delete(container)
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if err := client.Networks.Attach(config.Network, container); err != nil {
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return err
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}
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if err := client.Containers.Start(container); err != nil {
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return err
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}
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go forwarSignals(client.Containers.SignalProcess, container.Process)
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events, err := client.Containers.Events(container.Id)
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if err != nil {
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return err
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}
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for event := range events {
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if event.Type == "exit" {
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os.Exit(event.Status)
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}
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}
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return nil
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},
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}
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