Files
warewulf/cmd/wwbuild/vnfs-oci.go

67 lines
1.4 KiB
Go

package main
import (
"context"
"fmt"
"github.com/hpcng/warewulf/internal/pkg/oci"
"log"
"os"
"path"
"sync"
)
func vnfsOciBuild(OciPath string, wg *sync.WaitGroup) {
vnfsDestination := fmt.Sprintf("%s/provision/vnfs/%s.img.gz", LocalStateDir, path.Base(OciPath))
defer wg.Done()
log.Printf("Building OCI Container: %s\n", OciPath)
c, err := oci.NewCache(oci.OptSetCachePath("/var/warewulf/oci"))
if err != nil {
fmt.Printf("ERROR: %s\n", err)
os.Exit(1)
}
sourcePath, err := c.Pull(context.Background(), OciPath, nil)
if err != nil {
fmt.Printf("ERROR: %s\n", err)
os.Exit(1)
}
ociDestination := fmt.Sprintf("%s/oci/vnfs/%s", LocalStateDir, path.Base(sourcePath))
name, err := os.Readlink(vnfsDestination)
if err == nil {
if name == ociDestination {
log.Printf("Container already built, no changes from upstream\n")
return
}
}
err = os.MkdirAll(path.Dir(ociDestination), 0755)
if err != nil {
fmt.Printf("ERROR: %s\n", err)
return
}
err = os.MkdirAll(path.Dir(vnfsDestination), 0755)
if err != nil {
fmt.Printf("ERROR: %s\n", err)
return
}
err = buildVnfs(sourcePath, ociDestination)
if err != nil {
fmt.Printf("ERROR: %s\n", err)
os.Exit(1)
}
err = os.Symlink(ociDestination, vnfsDestination+"-link")
if err != nil {
fmt.Printf("ERROR: %s\n", err)
os.Exit(1)
}
err = os.Rename(vnfsDestination+"-link", vnfsDestination)
log.Printf("Completed building VNFS: %s\n", path.Base(OciPath))
return
}