From 9bc447077bce642c25faed9306537b4f1bf57230 Mon Sep 17 00:00:00 2001
From: yatinkarel <ykarel@redhat.com>
Date: Fri, 1 Apr 2022 13:17:55 +0530
Subject: [PATCH] Enable dstat and memory_tracker in functional/fullstack jobs

This Will help in troubleshooting failures related to high
memory or cpu usage.

Related-Bug: #1966394
Change-Id: I74b0d53bfc54b71d3e8b2d46739a944e5f5a6b6f
---
 roles/configure_functional_tests/tasks/main.yaml |  1 +
 tools/configure_for_func_testing.sh              | 15 +++++++++++++++
 zuul.d/base.yaml                                 |  1 +
 3 files changed, 17 insertions(+)

diff --git a/roles/configure_functional_tests/tasks/main.yaml b/roles/configure_functional_tests/tasks/main.yaml
index 11debfb7736..fe629620fb9 100644
--- a/roles/configure_functional_tests/tasks/main.yaml
+++ b/roles/configure_functional_tests/tasks/main.yaml
@@ -16,6 +16,7 @@
         OVS_BRANCH={{ OVS_BRANCH }}
         OVN_BRANCH={{ OVN_BRANCH }}
         Q_BUILD_OVS_FROM_GIT={{ Q_BUILD_OVS_FROM_GIT }}
+        MEMORY_TRACKER={{ MEMORY_TRACKER }}
         INSTALL_OVN={{ INSTALL_OVN }}
         # This is DB USER used in e.g. pgsql db
         DATABASE_USER=openstack_citest
diff --git a/tools/configure_for_func_testing.sh b/tools/configure_for_func_testing.sh
index 25205d982fc..29d514359a9 100755
--- a/tools/configure_for_func_testing.sh
+++ b/tools/configure_for_func_testing.sh
@@ -23,6 +23,7 @@ USE_CONSTRAINT_ENV=${USE_CONSTRAINT_ENV:-True}
 MYSQL_USER=${MYSQL_USER:-root}
 DATABASE_USER=${DATABASE_USER:-openstack_citest}
 DATABASE_NAME=${DATABASE_NAME:-openstack_citest}
+MEMORY_TRACKER=${MEMORY_TRACKER:-False}
 
 
 if [[ "$IS_GATE" != "True" ]] && [[ "$#" -lt 1 ]]; then
@@ -279,6 +280,20 @@ function _install_post_devstack {
     fi
 
     enable_kernel_bridge_firewall
+
+    # install/start memory tracker service if enabled
+    if [[ "$MEMORY_TRACKER" == "True" ]]; then
+        # is_service_enabled checks for service into ENABLED_SERVICES
+        ENABLED_SERVICES+=,dstat,memory_tracker
+        source $DEVSTACK_PATH/lib/dstat
+        if is_ubuntu; then
+            install_package pcp
+        else
+            install_package pcp-system-tools
+        fi
+        install_dstat
+        start_dstat
+    fi
 }
 
 
diff --git a/zuul.d/base.yaml b/zuul.d/base.yaml
index d75011069fc..52733091821 100644
--- a/zuul.d/base.yaml
+++ b/zuul.d/base.yaml
@@ -36,6 +36,7 @@
     vars:
       configure_swap_size: 8192
       Q_BUILD_OVS_FROM_GIT: True
+      MEMORY_TRACKER: True
       INSTALL_OVN: True
       OVN_BRANCH: v21.06.0
       OVS_BRANCH: "a4b04276ab5934d087669ff2d191a23931335c87"