Files
Brent Baude 5e0b449736 podmanv2 start
add the ability to start containers

Signed-off-by: Brent Baude <bbaude@redhat.com>
2020-04-06 09:26:11 -05:00

88 lines
2.8 KiB
Go

package containers
import (
"fmt"
"os"
"github.com/containers/libpod/cmd/podmanV2/common"
"github.com/containers/libpod/cmd/podmanV2/registry"
"github.com/containers/libpod/cmd/podmanV2/utils"
"github.com/containers/libpod/libpod/define"
"github.com/containers/libpod/pkg/domain/entities"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
var (
startDescription = `Starts one or more containers. The container name or ID can be used.`
startCommand = &cobra.Command{
Use: "start [flags] CONTAINER [CONTAINER...]",
Short: "Start one or more containers",
Long: startDescription,
RunE: start,
PreRunE: preRunE,
Args: cobra.MinimumNArgs(1),
Example: `podman start --latest
podman start 860a4b231279 5421ab43b45
podman start --interactive --attach imageID`,
}
)
var (
startOptions entities.ContainerStartOptions
)
func init() {
registry.Commands = append(registry.Commands, registry.CliCommand{
Mode: []entities.EngineMode{entities.ABIMode},
Command: startCommand,
})
flags := startCommand.Flags()
flags.BoolVarP(&startOptions.Attach, "attach", "a", false, "Attach container's STDOUT and STDERR")
flags.StringVar(&startOptions.DetachKeys, "detach-keys", common.GetDefaultDetachKeys(), "Select the key sequence for detaching a container. Format is a single character `[a-Z]` or a comma separated sequence of `ctrl-<value>`, where `<value>` is one of: `a-z`, `@`, `^`, `[`, `\\`, `]`, `^` or `_`")
flags.BoolVarP(&startOptions.Interactive, "interactive", "i", false, "Keep STDIN open even if not attached")
flags.BoolVarP(&startOptions.Latest, "latest", "l", false, "Act on the latest container podman is aware of")
flags.BoolVar(&startOptions.SigProxy, "sig-proxy", false, "Proxy received signals to the process (default true if attaching, false otherwise)")
if registry.IsRemote() {
_ = flags.MarkHidden("latest")
_ = flags.MarkHidden("sig-proxy")
}
}
func start(cmd *cobra.Command, args []string) error {
var errs utils.OutputErrors
if len(args) > 1 && startOptions.Attach {
return errors.Errorf("you cannot start and attach multiple containers at once")
}
sigProxy := startOptions.SigProxy || startOptions.Attach
if cmd.Flag("sig-proxy").Changed {
sigProxy = startOptions.SigProxy
}
if sigProxy && !startOptions.Attach {
return errors.Wrapf(define.ErrInvalidArg, "you cannot use sig-proxy without --attach")
}
if startOptions.Attach {
startOptions.Stdin = os.Stdin
startOptions.Stderr = os.Stderr
startOptions.Stdout = os.Stdout
}
responses, err := registry.ContainerEngine().ContainerStart(registry.GetContext(), args, startOptions)
if err != nil {
return err
}
for _, r := range responses {
if r.Err == nil {
fmt.Println(r.Id)
} else {
errs = append(errs, r.Err)
}
}
// TODO need to understand an implement exitcodes
return errs.PrintErrors()
}