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package main
import (
"github.com/urfave/cli"
"github.com/mudler/docker-companion/api"
jww "github.com/spf13/jwalterweatherman"
)
func squashImage(c *cli.Context) error {
var sourceImage string
var outputImage string
client, err := api.NewDocker()
if err != nil {
return cli.NewExitError("could not connect to the Docker daemon", 87)
}
if c.NArg() == 2 {
sourceImage = c.Args()[0]
outputImage = c.Args()[1]
jww.DEBUG.Println("sourceImage " + sourceImage + " outputImage: " + outputImage)
} else if c.NArg() == 1 {
sourceImage = c.Args()[0]
outputImage = sourceImage
jww.WARN.Println("You didn't specified a second image, i'll squash the one you supplied.")
if c.Bool("remove") == false {
jww.WARN.Println("!!! Be careful, docker will leave an image tagged as <none> which is your old one. Use the --remove option to remove it automatically")
}
jww.DEBUG.Println("sourceImage " + sourceImage + " outputImage: " + outputImage)
oldImage, err := client.InspectImage(sourceImage)
if c.Bool("remove") == true && err == nil {
defer func(id string) {
jww.INFO.Println("Removing the untagged image left by the overwrite ID: " + id)
client.RemoveImage(id)
}(oldImage.ID)
}
} else {
return cli.NewExitError("This command requires two arguments: squash source-image output-image", 86)
}
if c.GlobalBool("pull") == true {
api.PullImage(client, sourceImage)
}
jww.INFO.Println("Squashing " + sourceImage + " in " + outputImage)
err = api.Squash(client, sourceImage, outputImage)
if err == nil {
jww.INFO.Println("Done")
}
return err
}
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