Files
warewulf/internal/pkg/overlay/funcmap.go
2021-12-29 16:11:25 -08:00

51 lines
1.5 KiB
Go

package overlay
import (
"io/ioutil"
"path"
"strings"
"github.com/hpcng/warewulf/internal/pkg/container"
"github.com/hpcng/warewulf/internal/pkg/util"
"github.com/hpcng/warewulf/internal/pkg/wwlog"
)
func templateFileInclude(path string) string {
wwlog.Printf(wwlog.DEBUG, "Including file into template: %s\n", path)
content, err := ioutil.ReadFile(path)
if err != nil {
wwlog.Printf(wwlog.VERBOSE, "Could not include file into template: %s\n", err)
}
return strings.TrimSuffix(string(content), "\n")
}
func templateContainerFileInclude(containername string, filepath string) string {
wwlog.Printf(wwlog.VERBOSE, "Including file from Container into template: %s:%s\n", containername, filepath)
if containername == "" {
wwlog.Printf(wwlog.WARN, "Container is not defined for node: %s\n", filepath)
return ""
}
if !container.ValidSource(containername) {
wwlog.Printf(wwlog.WARN, "Template requires file(s) from non-existant container: %s:%s\n", containername, filepath)
return ""
}
containerDir := container.RootFsDir(containername)
wwlog.Printf(wwlog.DEBUG, "Including file from container: %s:%s\n", containerDir, filepath)
if !util.IsFile(path.Join(containerDir, filepath)) {
wwlog.Printf(wwlog.WARN, "Requested file from container does not exist: %s:%s\n", containername, filepath)
return ""
}
content, err := ioutil.ReadFile(path.Join(containerDir, filepath))
if err != nil {
wwlog.Printf(wwlog.ERROR, "Template include failed: %s\n", err)
}
return strings.TrimSuffix(string(content), "\n")
}