Files
warewulf/internal/app/wwctl/overlay/chmod/main.go
2021-09-13 22:30:49 -07:00

92 lines
2.4 KiB
Go

package chmod
import (
"os"
"path"
"strconv"
"github.com/hpcng/warewulf/internal/pkg/config"
"github.com/hpcng/warewulf/internal/pkg/node"
"github.com/hpcng/warewulf/internal/pkg/overlay"
"github.com/hpcng/warewulf/internal/pkg/util"
"github.com/hpcng/warewulf/internal/pkg/wwlog"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
func CobraRunE(cmd *cobra.Command, args []string) error {
var overlaySourceDir string
overlayKind := args[0]
overlayName := args[1]
fileName := args[2]
if overlayKind != "system" && overlayKind != "runtime" {
return errors.New("overlay kind must be of type 'system' or 'runtime'")
}
permissionMode, err := strconv.ParseInt(args[3], 8, 32)
if err != nil {
wwlog.Printf(wwlog.ERROR, "Could not convert requested mode: %s\n", err)
os.Exit(1)
}
if overlayKind == "system" {
overlaySourceDir = config.SystemOverlaySource(overlayName)
} else if overlayKind == "runtime" {
overlaySourceDir = config.RuntimeOverlaySource(overlayName)
}
if !util.IsDir(overlaySourceDir) {
wwlog.Printf(wwlog.ERROR, "Overlay does not exist: %s\n", overlayName)
os.Exit(1)
}
overlayFile := path.Join(overlaySourceDir, fileName)
if !util.IsFile(overlayFile) && !util.IsDir(overlayFile) {
wwlog.Printf(wwlog.ERROR, "File does not exist within overlay: %s:%s\n", overlayName, fileName)
os.Exit(1)
}
err = os.Chmod(overlayFile, os.FileMode(permissionMode))
if err != nil {
wwlog.Printf(wwlog.ERROR, "Could not set permission: %s\n", err)
os.Exit(1)
}
if !NoOverlayUpdate {
n, err := node.New()
if err != nil {
wwlog.Printf(wwlog.ERROR, "Could not open node configuration: %s\n", err)
os.Exit(1)
}
nodes, err := n.FindAllNodes()
if err != nil {
wwlog.Printf(wwlog.ERROR, "Could not get node list: %s\n", err)
os.Exit(1)
}
var updateNodes []node.NodeInfo
for _, node := range nodes {
if overlayKind == "system" && node.SystemOverlay.Get() == overlayName {
updateNodes = append(updateNodes, node)
} else if overlayKind == "runtime" && node.RuntimeOverlay.Get() == overlayName {
updateNodes = append(updateNodes, node)
}
}
if overlayKind == "system" {
wwlog.Printf(wwlog.INFO, "Updating System Overlays...\n")
return overlay.BuildSystemOverlay(updateNodes)
} else if overlayKind == "runtime" {
wwlog.Printf(wwlog.INFO, "Updating Runtime Overlays...\n")
return overlay.BuildRuntimeOverlay(updateNodes)
}
}
return nil
}