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package main
import (
"strconv"
"time"
"github.com/urfave/cli"
"github.com/mudler/docker-companion/api"
jww "github.com/spf13/jwalterweatherman"
)
func unpackImage(c *cli.Context) error {
var sourceImage string
var output string
if c.NArg() == 2 {
sourceImage = c.Args()[0]
output = c.Args()[1]
} else {
return cli.NewExitError("This command requires to argument: source-image output-folder(absolute)", 86)
}
client, err := api.NewDocker()
if err != nil {
return cli.NewExitError("could not connect to the Docker daemon", 87)
}
if c.GlobalBool("pull") == true {
api.PullImage(client, sourceImage)
}
if c.Bool("squash") == true {
jww.INFO.Println("Squashing and unpacking " + sourceImage + " in " + output)
time := strconv.Itoa(int(makeTimestamp()))
api.Squash(client, sourceImage, sourceImage+"-tmpsquashed"+time)
sourceImage = sourceImage + "-tmpsquashed" + time
defer func() {
jww.INFO.Println("Removing squashed image " + sourceImage)
client.RemoveImage(sourceImage)
}()
}
jww.INFO.Println("Unpacking " + sourceImage + " in " + output)
err = api.Unpack(client, sourceImage, output, c.GlobalBool("fatal"))
if err == nil {
jww.INFO.Println("Done")
}
return err
}
func makeTimestamp() int64 {
return time.Now().UnixNano() / (int64(time.Millisecond) / int64(time.Nanosecond))
}
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