1 files changed, 61 insertions, 0 deletions
diff --git a/tests/multipathd_oom/main.sh b/tests/multipathd_oom/main.sh
new file mode 100755
index 0000000..9961d2d
--- /dev/null
+++ b/tests/multipathd_oom/main.sh
@@ -0,0 +1,61 @@
+#!/bin/bash
+
+# Copyright (c) 2016 Red Hat, Inc.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# Author: Lin Li   <lilin@redhat.com>
+
+
+source ../include/ec.sh || exit 200
+
+function main (){
+    Multipath_installation || Fail "fail to install device-mapper-multipath"
+    Print_kernel_info
+    Print_multipath_pkginfo
+
+    local exit_status=0
+    local oom_adj oom_score_adj oom_score lock_file
+
+#    Log "do not kill the mingetty and sshd by oom_killer"
+#    Cmd "pidof mingetty"
+#    local ttys=$_STDOUT
+#    Cmd "pidof sshd"
+#    ttys="$ttys $_STDOUT"
+#    Cmd "for t in $ttys; do echo -1000 > /proc/\$t/oom_score_adj; done"
+
+    Multipathd_start || Fail "fail to start multipathd"
+    local pid=$(pidof multipathd)
+#this bug is for 6.2 has oom_score_adj
+    Cmd "[ -r /proc/$pid/oom_score_adj ]" || Fail "oom_score_adj not existing, do NOT support this kernel version"
+
+    Cmd "cat /proc/$pid/oom_adj" 
+    oom_adj=$_STDOUT
+    Cmd "cat /proc/$pid/oom_score_adj" 
+    oom_score_adj=$_STDOUT
+    Cmd "cat /proc/$pid/oom_score" 
+    oom_score=$_STDOUT
+
+#should set the oom_adj to -17 and oom_score_adj to -1000 so that multipathd will never be selected to kill by oom_killer
+    [ X"$oom_adj" = X"-17" ] || Fail "oom_adj is not -17"
+    [ X"$oom_score_adj" = X"-1000" ] || Fail "oom_score_adj is not -1000"
+
+# we don't need to test the real oom action. just check the oom_adj
+    Multipathd_stop || Fail "fail to stop multipathd"
+    return $exit_status
+}
+
+main || Fail "multipathd invokes oom_killer"
+
+Pass