Files
warewulf/internal/app/wwctl/container/pull/main.go

60 lines
1.3 KiB
Go

package pull
import (
"fmt"
"github.com/hpcng/warewulf/internal/pkg/container"
"github.com/hpcng/warewulf/internal/pkg/util"
"github.com/hpcng/warewulf/internal/pkg/wwlog"
"github.com/spf13/cobra"
"os"
"path"
)
func CobraRunE(cmd *cobra.Command, args []string) error {
var name string
uri := args[0]
if len(args) == 2 {
name = args[1]
} else {
name = path.Base(uri)
fmt.Printf("Setting VNFS name: %s\n", name)
}
if container.ValidName(name) == false {
wwlog.Printf(wwlog.ERROR, "VNFS name contains illegal characters: %s\n", name)
os.Exit(1)
}
fullPath := container.SourceDir(name)
if util.IsDir(fullPath) == true {
if SetForce == true {
wwlog.Printf(wwlog.WARN, "Overwriting existing VNFS\n")
err := os.RemoveAll(fullPath)
if err != nil {
wwlog.Printf(wwlog.ERROR, "%s\n", err)
os.Exit(1)
}
} else if SetUpdate == true {
wwlog.Printf(wwlog.WARN, "Updating existing VNFS\n")
} else {
wwlog.Printf(wwlog.ERROR, "VNFS Name exists, specify --force, --update, or choose a different name: %s\n", name)
os.Exit(1)
}
}
err := container.PullURI(uri, name)
if err != nil {
wwlog.Printf(wwlog.ERROR, "Could not pull image: %s\n", err)
os.Exit(1)
}
if SetBuild == true {
fmt.Printf("Building container: %s\n", name)
container.Build(name, false)
}
return nil
}