71 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			71 lines
		
	
	
		
			1.5 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/pkg/errors"
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	"github.com/urfave/cli"
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)
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var (
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	waitDescription = `
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	podman wait
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	Block until one or more containers stop and then print their exit codes
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`
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	waitFlags   = []cli.Flag{LatestFlag}
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	waitCommand = cli.Command{
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		Name:        "wait",
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		Usage:       "Block on one or more containers",
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		Description: waitDescription,
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		Flags:       waitFlags,
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		Action:      waitCmd,
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		ArgsUsage:   "CONTAINER-NAME [CONTAINER-NAME ...]",
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	}
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)
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func waitCmd(c *cli.Context) error {
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	args := c.Args()
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	if len(args) < 1 && !c.Bool("latest") {
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		return errors.Errorf("you must provide at least one container name or id")
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	}
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	runtime, err := getRuntime(c)
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	if err != nil {
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		return errors.Wrapf(err, "error creating libpod runtime")
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	}
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	defer runtime.Shutdown(false)
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	if err != nil {
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		return errors.Wrapf(err, "could not get config")
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	}
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	var lastError error
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	if c.Bool("latest") {
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		latestCtr, err := runtime.GetLatestContainer()
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		if err != nil {
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			return errors.Wrapf(err, "unable to wait on latest container")
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		}
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		args = append(args, latestCtr.ID())
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	}
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	for _, container := range args {
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		ctr, err := runtime.LookupContainer(container)
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		if err != nil {
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			return errors.Wrapf(err, "unable to find container %s", container)
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		}
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		returnCode, err := ctr.Wait()
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		if err != nil {
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			if lastError != nil {
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				fmt.Fprintln(os.Stderr, lastError)
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			}
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			lastError = errors.Wrapf(err, "failed to wait for the container %v", container)
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		} else {
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			fmt.Println(returnCode)
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		}
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	}
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	return lastError
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}
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