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Add ownership inspection to mount tester image

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This commit is contained in:
Paul Morie 2015-10-19 18:15:37 -04:00
parent b896a66679
commit 2ff043e75f
5 changed files with 35 additions and 3 deletions
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2
hack/verify-flags/excluded-flags.txt
View File

@ -3,6 +3,7 @@ concurrent_rc_syncs
etcd_mutation_timeout
file_content
file_mode
file_owner
file_perm
fs_type
gke_context
@ -12,6 +13,7 @@ kube_master_url
max_in_flight
max_par
new_file_0644
new_file_0660
new_file_0666
new_file_0777
pods_per_node

2
test/images/mount-tester-user/Dockerfile
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@ -12,5 +12,5 @@
# See the License for the specific language governing permissions and
# limitations under the License.
FROM gcr.io/google_containers/mounttest:0.4
FROM gcr.io/google_containers/mounttest:0.5
USER 1001

2
test/images/mount-tester-user/Makefile
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@ -1,6 +1,6 @@
all: push
TAG = 0.2
TAG = 0.3
image:
sudo docker build -t gcr.io/google_containers/mounttest-user:$(TAG) .

2
test/images/mount-tester/Makefile
View File

@ -1,6 +1,6 @@
all: push
TAG = 0.4
TAG = 0.5
mt: mt.go
CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -ldflags '-w' ./mt.go

30
test/images/mount-tester/mt.go
View File

@ -29,8 +29,10 @@ var (
fsTypePath = ""
fileModePath = ""
filePermPath = ""
fileOwnerPath = ""
newFilePath0644 = ""
newFilePath0666 = ""
newFilePath0660 = ""
newFilePath0777 = ""
readFileContentPath = ""
readFileContentInLoopPath = ""
@ -41,8 +43,10 @@ func init() {
flag.StringVar(&fsTypePath, "fs_type", "", "Path to print the fs type for")
flag.StringVar(&fileModePath, "file_mode", "", "Path to print the mode bits of")
flag.StringVar(&filePermPath, "file_perm", "", "Path to print the perms of")
flag.StringVar(&fileOwnerPath, "file_owner", "", "Path to print the owning UID and GID of")
flag.StringVar(&newFilePath0644, "new_file_0644", "", "Path to write to and read from with perm 0644")
flag.StringVar(&newFilePath0666, "new_file_0666", "", "Path to write to and read from with perm 0666")
flag.StringVar(&newFilePath0660, "new_file_0660", "", "Path to write to and read from with perm 0660")
flag.StringVar(&newFilePath0777, "new_file_0777", "", "Path to write to and read from with perm 0777")
flag.StringVar(&readFileContentPath, "file_content", "", "Path to read the file content from")
flag.StringVar(&readFileContentInLoopPath, "file_content_in_loop", "", "Path to read the file content in loop from")
@ -86,6 +90,11 @@ func main() {
errs = append(errs, err)
}
err = readWriteNewFile(newFilePath0660, 0660)
if err != nil {
errs = append(errs, err)
}
err = readWriteNewFile(newFilePath0777, 0777)
if err != nil {
errs = append(errs, err)
@ -101,6 +110,11 @@ func main() {
errs = append(errs, err)
}
err = fileOwner(fileOwnerPath)
if err != nil {
errs = append(errs, err)
}
err = readFileContent(readFileContentPath)
if err != nil {
errs = append(errs, err)
@ -171,6 +185,22 @@ func filePerm(path string) error {
return nil
}
func fileOwner(path string) error {
if path == "" {
return nil
}
buf := syscall.Stat_t{}
if err := syscall.Stat(path, &buf); err != nil {
fmt.Printf("error from stat(%q): %v\n", path, err)
return err
}
fmt.Printf("owner UID of %q: %v\n", path, buf.Uid)
fmt.Printf("owner GID of %q: %v\n", path, buf.Gid)
return nil
}
func readFileContent(path string) error {
if path == "" {
return nil