Merge pull request #1755 from giuseppe/expose-get-rootless-gid

unshare: export rootless GID

Author: openshift-merge-bot[bot]

pkg/unshare/unshare_darwin.go

@@ -25,6 +25,11 @@ func GetRootlessUID() int {
 	return os.Getuid()
 }
 
+// GetRootlessGID returns the GID of the user in the parent userNS
+func GetRootlessGID() int {
+	return os.Getgid()
+}
+
 // RootlessEnv returns the environment settings for the rootless containers
 func RootlessEnv() []string {
 	return append(os.Environ(), UsernsEnvName+"=")

pkg/unshare/unshare_linux.go

@@ -441,6 +441,16 @@ func GetRootlessUID() int {
 	return os.Getuid()
 }
 
+// GetRootlessGID returns the GID of the user in the parent userNS
+func GetRootlessGID() int {
+	gidEnv := getenv("_CONTAINERS_ROOTLESS_GID")
+	if gidEnv != "" {
+		u, _ := strconv.Atoi(gidEnv)
+		return u
+	}
+	return os.Getgid()
+}
+
 // RootlessEnv returns the environment settings for the rootless containers
 func RootlessEnv() []string {
 	return append(os.Environ(), UsernsEnvName+"=done")

pkg/unshare/unshare_unsupported.go

@@ -25,6 +25,11 @@ func GetRootlessUID() int {
 	return os.Getuid()
 }
 
+// GetRootlessGID returns the GID of the user in the parent userNS
+func GetRootlessGID() int {
+	return os.Getgid()
+}
+
 // RootlessEnv returns the environment settings for the rootless containers
 func RootlessEnv() []string {
 	return append(os.Environ(), UsernsEnvName+"=")