TEST-17-UDEV: acquire SYS_UID_MAX/SYS_GID_MAX from userdbctl

Suse build systemd with -Dsystem-uid-max=499 -Dsystem-gid-max=499,
and seems to not provide /etc/login.defs file. See
https://github.com/bmwiedemann/openSUSE/blob/2dc224ae5d446e928519315f4d46f76d1e34b8a8/packages/s/systemd/systemd.spec

diff --git a/test/units/TEST-17-UDEV.verify.sh b/test/units/TEST-17-UDEV.verify.sh
index 3117bc86be0c28f8932e8b7f18e9e4d94bb17db2..f9ec6612b44a8ccc73279ce6930ced5d6cfff591 100755 (executable)
--- a/test/units/TEST-17-UDEV.verify.sh
+++ b/test/units/TEST-17-UDEV.verify.sh
@@ -293,8 +293,13 @@ test_syntax_error 'OWNER!="b"' 'Invalid operator for OWNER.'
 test_syntax_error 'OWNER+="0"' "OWNER key takes '=' or ':=' operator, assuming '='."
 # numeric system UID is valid even if it does not exist
 SYS_UID_MAX=999
-if [[ -e /etc/login.defs ]]; then
+if command userdbctl >/dev/null; then
+    # For the case if non-default setting is used. E.g. OpenSUSE uses 499.
+    SYS_UID_MAX="$(userdbctl user -S --no-legend --no-pager | grep 'end system' | awk '{print $8}')"
+    echo "SYS_UID_MAX=$SYS_UID_MAX acquired from userdbctl"
+elif [[ -e /etc/login.defs ]]; then
     SYS_UID_MAX=$(awk '$1 == "SYS_UID_MAX" { print $2 }' /etc/login.defs)
+    echo "SYS_UID_MAX=$SYS_UID_MAX acquired from /etc/login.defs"
 fi
 for ((i=0;i<=SYS_UID_MAX;i++)); do
     echo "OWNER=\"$i\""
@@ -318,8 +323,13 @@ test_syntax_error 'GROUP!="b"' 'Invalid operator for GROUP.'
 test_syntax_error 'GROUP+="0"' "GROUP key takes '=' or ':=' operator, assuming '='."
 # numeric system GID is valid even if it does not exist
 SYS_GID_MAX=999
-if [[ -e /etc/login.defs ]]; then
+if command userdbctl >/dev/null; then
+    # For the case if non-default setting is used. E.g. OpenSUSE uses 499.
+    SYS_GID_MAX="$(userdbctl group -S --no-legend --no-pager | grep 'end system' | awk '{print $8}')"
+    echo "SYS_GID_MAX=$SYS_GID_MAX acquired from userdbctl"
+elif [[ -e /etc/login.defs ]]; then
     SYS_GID_MAX=$(awk '$1 == "SYS_GID_MAX" { print $2 }' /etc/login.defs)
+    echo "SYS_GID_MAX=$SYS_GID_MAX acquired from /etc/login.defs"
 fi
 for ((i=0;i<=SYS_GID_MAX;i++)); do
     echo "GROUP=\"$i\""