Capture QEMU core dumps when possible
Some of the hardest-to-debug issues are qemu crashes deep in a nova
workflow that can't be reproduced locally. This adds a post task to
the playbook so that we capture the most recent qemu core dump, if
there is one.
Change-Id: I48a2ea883325ca920b7e7909edad53a9832fb319
diff --git a/.zuul.yaml b/.zuul.yaml
index 001ac84..fdcee59 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -377,6 +377,7 @@
'{{ devstack_log_dir }}/devstacklog.txt.summary': logs
'{{ devstack_log_dir }}/tcpdump.pcap': logs
'{{ devstack_log_dir }}/worlddump-latest.txt': logs
+ '{{ devstack_log_dir }}/qemu.coredump': logs
'{{ devstack_full_log}}': logs
'{{ stage_dir }}/verify_tempest_conf.log': logs
'{{ stage_dir }}/performance.json': logs
diff --git a/playbooks/post.yaml b/playbooks/post.yaml
index d8d5f68..0047d78 100644
--- a/playbooks/post.yaml
+++ b/playbooks/post.yaml
@@ -17,6 +17,12 @@
dest: "{{ stage_dir }}/verify_tempest_conf.log"
state: hard
when: tempest_log.stat.exists
+ - name: Capture most recent qemu crash dump, if any
+ shell:
+ executable: /bin/bash
+ cmd: |
+ coredumpctl -o {{ devstack_log_dir }}/qemu.coredump dump /usr/bin/qemu-system-x86_64
+ ignore_errors: yes
roles:
- export-devstack-journal
- apache-logs-conf