From 174b9684c3f48c7f7f845b14d9452d0bf1ceaece Mon Sep 17 00:00:00 2001
From: Elena Gryaznova <elena.gryaznova@hpe.com>
Date: Thu, 3 Sep 2020 16:00:09 +0300
Subject: [PATCH] LU-13944 tests: add ability to set clients parameters

Patch adds the ability to set clients parameters via
CLIENT_LCTL_SETPARAM_PARAM.
Example:
  CLIENT_LCTL_SETPARAM_PARAM="lbug_on_eviction=1 debug=-1 "
sets lbug_on_eviction=1 and debug=-1 on all clients.

Test-Parameters: trivial
HPE-bug-id: LUS-9052
Signed-off-by: Elena Gryaznova <elena.gryaznova@hpe.com>
Reviewed-by: Vladimir Saveliev <c17830@cray.com>
Reviewed-by: Andriy Skulysh <c17819@cray.com>
Change-Id: Ifb06e7992c2f1db94f0a1503cfc31e00d4674804
Reviewed-on: https://review.whamcloud.com/39816
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
---
 lustre/tests/test-framework.sh | 39 +++++++++++++++++++++++++++++----------
 1 file changed, 29 insertions(+), 10 deletions(-)

diff --git a/lustre/tests/test-framework.sh b/lustre/tests/test-framework.sh
index 9354b38..06a81f6 100755
--- a/lustre/tests/test-framework.sh
+++ b/lustre/tests/test-framework.sh
@@ -1617,6 +1617,22 @@ set_default_debug_facet () {
 	set_default_debug_nodes $node "$debug" "$subsys" $debug_size
 }
 
+set_params_nodes () {
+	[[ $# -ge 2 ]] || return 0
+
+	local nodes=$1
+	shift
+	do_nodes $nodes $LCTL set_param $@
+}
+
+set_params_clients () {
+	local clients=${1:-$CLIENTS}
+	local params=${2:-$CLIENT_LCTL_SETPARAM_PARAM}
+
+	[[ -n $params ]] || return 0
+	set_params_nodes $clients $params
+}
+
 set_hostid () {
     local hostid=${1:-$(hostid)}
 
@@ -2329,6 +2345,7 @@ zconf_mount() {
 	fi
 
 	set_default_debug_nodes $client
+	set_params_clients $client
 
 	return 0
 }
@@ -2555,6 +2572,7 @@ exit \\\$rc" || return ${PIPESTATUS[0]}
 	do_nodes $clients "mount | grep $mnt' '"
 
 	set_default_debug_nodes $clients
+	set_params_clients $clients
 
 	return 0
 }
@@ -5448,17 +5466,18 @@ check_and_setup_lustre() {
         export I_MOUNTED2=yes
     fi
 
-    if $do_check; then
-        # FIXME: what to do if check_config failed?
-        # i.e. if:
-        # 1) remote client has mounted other Lustre fs?
-        # 2) lustre is mounted on remote_clients atall ?
-        check_config_clients $MOUNT
-        init_facets_vars
-        init_param_vars
+	if $do_check; then
+		# FIXME: what to do if check_config failed?
+		# i.e. if:
+		# 1) remote client has mounted other Lustre fs?
+		# 2) lustre is mounted on remote_clients atall ?
+		check_config_clients $MOUNT
+		init_facets_vars
+		init_param_vars
 
-        set_default_debug_nodes $(comma_list $(nodes_list))
-    fi
+		set_default_debug_nodes $(comma_list $(nodes_list))
+		set_params_clients
+	fi
 
 	if [ -z "$CLIENTONLY" -a $(lower $OSD_TRACK_DECLARES_LBUG) == 'yes' ]; then
 		local facets=""
-- 
1.8.3.1