Merge pull request #1797 from dezgeg/userns-tests-fix

Fix tests using user namespaces on kernels that don't have it

1 files changed, 18 insertions, 0 deletions

diff --git a/tests/common.sh.in b/tests/common.sh.in
index 83643d8b06bb..186f9d6b9553 100644
--- a/tests/common.sh.in
+++ b/tests/common.sh.in
@@ -87,6 +87,24 @@ killDaemon() {
     trap "" EXIT
 }
 
+canUseSandbox() {
+    if [[ $(uname) != Linux ]]; then return 1; fi
+
+    if [ ! -L /proc/self/ns/user ]; then
+        echo "Kernel doesn't support user namespaces, skipping this test..."
+        return 1
+    fi
+
+    if [ -e /proc/sys/kernel/unprivileged_userns_clone ]; then
+        if [ "$(cat /proc/sys/kernel/unprivileged_userns_clone)" != 1 ]; then
+            echo "Unprivileged user namespaces disabled by sysctl, skipping this test..."
+            return 1
+        fi
+    fi
+
+    return 0
+}
+
 fail() {
     echo "$1"
     exit 1