94 lines
2.0 KiB
Go
94 lines
2.0 KiB
Go
package container
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import (
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"io/ioutil"
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"os"
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"path"
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"github.com/hpcng/warewulf/internal/pkg/config"
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"github.com/hpcng/warewulf/internal/pkg/errors"
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"github.com/hpcng/warewulf/internal/pkg/util"
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"github.com/hpcng/warewulf/internal/pkg/wwlog"
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)
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func ValidName(name string) bool {
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if util.ValidString(name, "^[a-zA-Z0-9.:-_]+$") == false {
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wwlog.Printf(wwlog.WARN, "VNFS name has illegal characters: %s\n", name)
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return false
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}
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return true
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}
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func SourceParentDir() string {
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return path.Join(config.LocalStateDir, "chroots")
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}
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func SourceDir(name string) string {
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return path.Join(SourceParentDir(), name)
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}
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func RootFsDir(name string) string {
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return path.Join(SourceDir(name), "rootfs")
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}
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func ImageParentDir() string {
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return path.Join(config.LocalStateDir, "provision/container/")
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}
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func ImageFile(name string) string {
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return path.Join(ImageParentDir(), name+".img.gz")
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}
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func ListSources() ([]string, error) {
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var ret []string
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err := os.MkdirAll(SourceParentDir(), 0755)
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if err != nil {
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return ret, errors.New("Could not create VNFS source parent directory: " + SourceParentDir())
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}
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wwlog.Printf(wwlog.DEBUG, "Searching for VNFS Rootfs directories: %s\n", SourceParentDir())
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sources, err := ioutil.ReadDir(SourceParentDir())
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if err != nil {
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return ret, err
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}
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for _, source := range sources {
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wwlog.Printf(wwlog.VERBOSE, "Found VNFS source: %s\n", source.Name())
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if ValidName(source.Name()) == false {
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continue
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}
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if ValidSource(source.Name()) == false {
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continue
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}
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ret = append(ret, source.Name())
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}
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return ret, nil
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}
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func ValidSource(name string) bool {
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fullPath := RootFsDir(name)
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if ValidName(name) == false {
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return false
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}
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if util.IsDir(fullPath) == false {
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wwlog.Printf(wwlog.VERBOSE, "Location is not a VNFS source directory: %s\n", name)
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return false
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}
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return true
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}
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func DeleteSource(name string) error {
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fullPath := SourceDir(name)
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wwlog.Printf(wwlog.VERBOSE, "Removing path: %s\n", fullPath)
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return os.RemoveAll(fullPath)
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}
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