From a14a7a1ae02fa70270af62093e6d60af91077824 Mon Sep 17 00:00:00 2001
From: Ian Wienand <iwienand@redhat.com>
Date: Wed, 29 Mar 2017 18:14:07 +1100
Subject: [PATCH] Enable libvirt coredumps & save to logs

With this flag devstack will enable coredumps for libvirt, which are
saved to /var/core.  Compress and save them to the logs.

Change-Id: I381ba3b540c57b2ca5d73087473c8be4b5b32cad
Partial-Bug: 1643911
Depends-On: If7cd54e804a5a389a0d82a325b58f5b41b8ef0db
---
 devstack-vm-gate.sh | 3 +++
 functions.sh        | 6 ++++++
 2 files changed, 9 insertions(+)

diff --git a/devstack-vm-gate.sh b/devstack-vm-gate.sh
index 502932e3..7e69109a 100755
--- a/devstack-vm-gate.sh
+++ b/devstack-vm-gate.sh
@@ -384,6 +384,9 @@ function setup_localrc {
     # set this until all testing platforms have libvirt >= 1.2.11
     # see bug #1501558
     localrc_set "$localrc_file" "EBTABLES_RACE_FIX" "True"
+    # This will put libvirt coredumps into /var/core
+    #   https://bugs.launchpad.net/nova/+bug/1643911
+    localrc_set "$localrc_file" DEBUG_LIBVIRT_COREDUMPS "True"
 
     if [[ "$DEVSTACK_GATE_TOPOLOGY" == "multinode" ]] && [[ $DEVSTACK_GATE_NEUTRON -eq "1" ]]; then
         # Reduce the MTU on br-ex to match the MTU of underlying tunnels
diff --git a/functions.sh b/functions.sh
index d6964c63..a1379ab8 100644
--- a/functions.sh
+++ b/functions.sh
@@ -834,6 +834,12 @@ function cleanup_host {
     fi
     save_file /etc/glusterfs/glusterd.vol glusterd.vol
 
+    # gzip and save any coredumps in /var/core
+    if [ -d /var/core ]; then
+        sudo gzip -r /var/core
+        sudo cp -r /var/core $BASE/logs/
+    fi
+
     # Make sure the current user can read all the logs and configs
     sudo chown -RL $USER:$USER $BASE/logs/
     # (note X not x ... execute/search only if the file is a directory