94 lines
2.0 KiB
Go
94 lines
2.0 KiB
Go
package main
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"github.com/hpcng/warewulf/internal/pkg/config"
|
|
"github.com/hpcng/warewulf/internal/pkg/oci"
|
|
"github.com/hpcng/warewulf/internal/pkg/vnfs"
|
|
"log"
|
|
"os"
|
|
"path"
|
|
"sync"
|
|
)
|
|
|
|
const (
|
|
OciCacheDir = config.LocalStateDir + "/oci"
|
|
VnfsHashDir = config.LocalStateDir + "/oci/vnfs/hash/"
|
|
)
|
|
|
|
func vnfsOciBuild(OciPath string, wg *sync.WaitGroup) {
|
|
v := vnfs.New(OciPath)
|
|
|
|
// 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(OciCacheDir))
|
|
if err != nil {
|
|
fmt.Printf("ERROR: %s\n", err)
|
|
os.Exit(1)
|
|
}
|
|
log.Printf("Downloading OCI container layers\n")
|
|
sourcePath, err := c.Pull(context.Background(), OciPath, nil)
|
|
if err != nil {
|
|
fmt.Printf("ERROR: %s\n", err)
|
|
os.Exit(1)
|
|
}
|
|
|
|
hashDestination := VnfsHashDir + path.Base(sourcePath)
|
|
|
|
name, err := os.Readlink(v.Image())
|
|
if err == nil {
|
|
if name == hashDestination {
|
|
log.Printf("Container already built, no update available\n")
|
|
return
|
|
}
|
|
}
|
|
|
|
err = os.MkdirAll(VnfsHashDir, 0755)
|
|
if err != nil {
|
|
fmt.Printf("ERROR: %s\n", err)
|
|
return
|
|
}
|
|
err = os.MkdirAll(path.Dir(v.Image()), 0755)
|
|
if err != nil {
|
|
fmt.Printf("ERROR: %s\n", err)
|
|
return
|
|
}
|
|
err = os.MkdirAll(path.Dir(v.Root()), 0755)
|
|
if err != nil {
|
|
fmt.Printf("ERROR: %s\n", err)
|
|
return
|
|
}
|
|
|
|
log.Printf("Building bootable VNFS image\n")
|
|
|
|
err = buildVnfs(sourcePath, hashDestination)
|
|
if err != nil {
|
|
fmt.Printf("ERROR: %s\n", err)
|
|
os.Exit(1)
|
|
}
|
|
|
|
log.Printf("Finalizing Build\n")
|
|
|
|
_ = os.Remove(v.Image() + "-link")
|
|
err = os.Symlink(hashDestination, v.Image()+"-link")
|
|
if err != nil {
|
|
fmt.Printf("ERROR: %s\n", err)
|
|
os.Exit(1)
|
|
}
|
|
err = os.Rename(v.Image()+"-link", v.Image())
|
|
|
|
err = buildLinks(v, sourcePath)
|
|
if err != nil {
|
|
fmt.Printf("ERROR: %s\n", err)
|
|
os.Exit(1)
|
|
}
|
|
|
|
log.Printf("Completed building VNFS: %s\n", path.Base(OciPath))
|
|
|
|
return
|
|
}
|