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path: root/vendor/github.com/projectatomic/buildah/util.go
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Diffstat (limited to 'vendor/github.com/projectatomic/buildah/util.go')
-rw-r--r--vendor/github.com/projectatomic/buildah/util.go83
1 files changed, 0 insertions, 83 deletions
diff --git a/vendor/github.com/projectatomic/buildah/util.go b/vendor/github.com/projectatomic/buildah/util.go
index 661221ebc..3e86d8c0e 100644
--- a/vendor/github.com/projectatomic/buildah/util.go
+++ b/vendor/github.com/projectatomic/buildah/util.go
@@ -2,11 +2,8 @@ package buildah
import (
"archive/tar"
- "bufio"
"io"
"os"
- "strconv"
- "strings"
"sync"
"github.com/containers/image/docker/reference"
@@ -41,15 +38,6 @@ func copyStringSlice(s []string) []string {
return t
}
-func stringInSlice(s string, slice []string) bool {
- for _, v := range slice {
- if v == s {
- return true
- }
- }
- return false
-}
-
func convertStorageIDMaps(UIDMap, GIDMap []idtools.IDMap) ([]rspec.LinuxIDMapping, []rspec.LinuxIDMapping) {
uidmap := make([]rspec.LinuxIDMapping, 0, len(UIDMap))
gidmap := make([]rspec.LinuxIDMapping, 0, len(GIDMap))
@@ -178,77 +166,6 @@ func (b *Builder) tarPath() func(path string) (io.ReadCloser, error) {
}
}
-// getProcIDMappings reads mappings from the named node under /proc.
-func getProcIDMappings(path string) ([]rspec.LinuxIDMapping, error) {
- var mappings []rspec.LinuxIDMapping
- f, err := os.Open(path)
- if err != nil {
- return nil, errors.Wrapf(err, "error reading ID mappings from %q", path)
- }
- defer f.Close()
- scanner := bufio.NewScanner(f)
- for scanner.Scan() {
- line := scanner.Text()
- fields := strings.Fields(line)
- if len(fields) != 3 {
- return nil, errors.Errorf("line %q from %q has %d fields, not 3", line, path, len(fields))
- }
- cid, err := strconv.ParseUint(fields[0], 10, 32)
- if err != nil {
- return nil, errors.Wrapf(err, "error parsing container ID value %q from line %q in %q", fields[0], line, path)
- }
- hid, err := strconv.ParseUint(fields[1], 10, 32)
- if err != nil {
- return nil, errors.Wrapf(err, "error parsing host ID value %q from line %q in %q", fields[1], line, path)
- }
- size, err := strconv.ParseUint(fields[2], 10, 32)
- if err != nil {
- return nil, errors.Wrapf(err, "error parsing size value %q from line %q in %q", fields[2], line, path)
- }
- mappings = append(mappings, rspec.LinuxIDMapping{ContainerID: uint32(cid), HostID: uint32(hid), Size: uint32(size)})
- }
- return mappings, nil
-}
-
-// getHostIDs uses ID mappings to compute the host-level IDs that will
-// correspond to a UID/GID pair in the container.
-func getHostIDs(uidmap, gidmap []rspec.LinuxIDMapping, uid, gid uint32) (uint32, uint32, error) {
- uidMapped := true
- for _, m := range uidmap {
- uidMapped = false
- if uid >= m.ContainerID && uid < m.ContainerID+m.Size {
- uid = (uid - m.ContainerID) + m.HostID
- uidMapped = true
- break
- }
- }
- if !uidMapped {
- return 0, 0, errors.Errorf("container uses ID mappings, but doesn't map UID %d", uid)
- }
- gidMapped := true
- for _, m := range gidmap {
- gidMapped = false
- if gid >= m.ContainerID && gid < m.ContainerID+m.Size {
- gid = (gid - m.ContainerID) + m.HostID
- gidMapped = true
- break
- }
- }
- if !gidMapped {
- return 0, 0, errors.Errorf("container uses ID mappings, but doesn't map GID %d", gid)
- }
- return uid, gid, nil
-}
-
-// getHostRootIDs uses ID mappings in spec to compute the host-level IDs that will
-// correspond to UID/GID 0/0 in the container.
-func getHostRootIDs(spec *rspec.Spec) (uint32, uint32, error) {
- if spec.Linux == nil {
- return 0, 0, nil
- }
- return getHostIDs(spec.Linux.UIDMappings, spec.Linux.GIDMappings, 0, 0)
-}
-
// getRegistries obtains the list of registries defined in the global registries file.
func getRegistries() ([]string, error) {
registryConfigPath := ""