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package main
import (
"time"
"github.com/containers/libpod/cmd/podman/cliconfig"
"github.com/containers/libpod/pkg/adapter"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
var (
waitCommand cliconfig.WaitValues
waitDescription = `Block until one or more containers stop and then print their exit codes.
`
_waitCommand = &cobra.Command{
Use: "wait [flags] CONTAINER [CONTAINER...]",
Short: "Block on one or more containers",
Long: waitDescription,
RunE: func(cmd *cobra.Command, args []string) error {
waitCommand.InputArgs = args
waitCommand.GlobalFlags = MainGlobalOpts
return waitCmd(&waitCommand)
},
Example: `podman wait --latest
podman wait --interval 5000 ctrID
podman wait ctrID1 ctrID2`,
}
)
func init() {
waitCommand.Command = _waitCommand
waitCommand.SetHelpTemplate(HelpTemplate())
waitCommand.SetUsageTemplate(UsageTemplate())
flags := waitCommand.Flags()
flags.UintVarP(&waitCommand.Interval, "interval", "i", 250, "Milliseconds to wait before polling for completion")
flags.BoolVarP(&waitCommand.Latest, "latest", "l", false, "Act on the latest container podman is aware of")
markFlagHiddenForRemoteClient("latest", flags)
}
func waitCmd(c *cliconfig.WaitValues) error {
args := c.InputArgs
if len(args) < 1 && !c.Latest {
return errors.Errorf("you must provide at least one container name or id")
}
if c.Interval == 0 {
return errors.Errorf("interval must be greater then 0")
}
interval := time.Duration(c.Interval) * time.Millisecond
runtime, err := adapter.GetRuntime(&c.PodmanCommand)
if err != nil {
return errors.Wrapf(err, "error creating runtime")
}
defer runtime.Shutdown(false)
ok, failures, err := runtime.WaitOnContainers(getContext(), c, interval)
if err != nil {
return err
}
return printCmdResults(ok, failures)
}
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