TEST-55-OOMD: Switch to stress-ng

stress-ng is available in OpenSUSE and in CentOS Stream without needing
EPEL so let's switch to it instead of stress.

mkosi.conf.d/10-arch/mkosi.conf

@@ -54,7 +54,7 @@ Packages=
         shadow
         softhsm
         squashfs-tools
-        stress
+        stress-ng
         tgt
         tpm2-tools
         tpm2-tss

mkosi.conf.d/10-centos-fedora/mkosi.conf

@@ -62,7 +62,7 @@ Packages=
         sbsigntools
         softhsm
         squashfs-tools
-        stress
+        stress-ng
         tpm2-tools
         util-linux
         veritysetup

mkosi.conf.d/10-debian-ubuntu/mkosi.conf

@@ -78,7 +78,7 @@ Packages=
         quota
         softhsm2
         squashfs-tools
-        stress
+        stress-ng
         tgt
         tpm2-tools
         tzdata

mkosi.conf.d/10-opensuse/mkosi.conf

@@ -79,6 +79,7 @@ Packages=
         shadow
         softhsm
         squashfs
+        stress-ng
         tgt
         timezone
         tpm2.0-tools

test/TEST-55-OOMD/test.sh

@@ -14,7 +14,7 @@ TEST_NO_NSPAWN=1
 test_append_files() {
     local workspace="${1:?}"
 
-    image_install mkswap swapon swapoff stress
+    image_install mkswap swapon swapoff stress-ng
     image_install -o btrfs
 
     mkdir -p "${workspace:?}/etc/systemd/system/init.scope.d/"

test/units/TEST-55-OOMD-testbloat.service

@@ -3,8 +3,8 @@
 Description=Create a lot of memory pressure
 
 [Service]
-# A VERY small memory.high will cause the 'stress' (trying to use a lot of memory)
+# A VERY small memory.high will cause the 'stress-ng' (trying to use a lot of memory)
 # to throttle and be put under heavy pressure.
 MemoryHigh=3M
 Slice=TEST-55-OOMD-workload.slice
-ExecStart=stress --timeout 3m --vm 10 --vm-bytes 200M --vm-keep --vm-stride 1
+ExecStart=stress-ng --timeout 3m --vm 10 --vm-bytes 200M --vm-keep

test/units/TEST-55-OOMD-testmunch.service

@@ -5,4 +5,4 @@ Description=Create some memory pressure
 [Service]
 MemoryHigh=12M
 Slice=TEST-55-OOMD-workload.slice
-ExecStart=stress --timeout 3m --vm 10 --vm-bytes 200M --vm-keep --vm-stride 1
+ExecStart=stress-ng --timeout 3m --vm 10 --vm-bytes 200M --vm-keep

test/units/TEST-55-OOMD.sh

@@ -6,14 +6,6 @@ set -o pipefail
 # shellcheck source=test/units/util.sh
  . "$(dirname "$0")"/util.sh
 
-. /etc/os-release
-# OpenSUSE does not have the stress tool packaged. It does have stress-ng but the stress-ng does not support
-# --vm-stride which this test uses.
-if [[ "$ID" =~ "opensuse" ]]; then
-    echo "Skipping due to missing stress package in OpenSUSE" >>/skipped
-    exit 77
-fi
-
 systemd-analyze log-level debug
 
 # Ensure that the init.scope.d drop-in is applied on boot