From a22d70dec66bac358930059ce127131a466b7fdd Mon Sep 17 00:00:00 2001
From: Edward Hope-Morley <edward.hope-morley@canonical.com>
Date: Thu, 26 Sep 2024 14:44:54 +0100
Subject: [PATCH] Add check for oslo.messaging bug LP1934937

---
 .../openstack/oslo_messaging/lp1934937.yaml   | 57 +++++++++++++++++++
 .../openstack/oslo_messaging/lp1934937.yaml   | 20 +++++++
 2 files changed, 77 insertions(+)
 create mode 100644 hotsos/defs/scenarios/openstack/oslo_messaging/lp1934937.yaml
 create mode 100644 hotsos/defs/tests/scenarios/openstack/oslo_messaging/lp1934937.yaml

diff --git a/hotsos/defs/scenarios/openstack/oslo_messaging/lp1934937.yaml b/hotsos/defs/scenarios/openstack/oslo_messaging/lp1934937.yaml
new file mode 100644
index 000000000..2c26a0f49
--- /dev/null
+++ b/hotsos/defs/scenarios/openstack/oslo_messaging/lp1934937.yaml
@@ -0,0 +1,57 @@
+vars:
+  expr: 'greenlet.error: cannot switch to a different thread'
+  msg_part_common: >-
+    service(s) on this host are affected by this bug which is triggered when
+    a non-wsgi service that is using greenthreads and has oslo.messaging
+    heartbeat_in_pthread=True tries to send a heartbeat message to rabbitmq
+checks:
+  # Include non-wsgi services that use oslo.messaging
+  nova_has_1934937:
+    input: var/log/nova/*.log
+    expr: $expr
+  neutron_has_1934937:
+    input: var/log/neutron/*.log
+    expr: $expr
+  cinder_has_1934937:
+    input: var/log/cinder/*.log
+    expr: $expr
+  gnocchi_has_1934937:
+    input: var/log/gnocchi/*.log
+    expr: $expr
+conclusions:
+  nova_1934937:
+    decision: nova_has_1934937
+    raises:
+      type: LaunchpadBug
+      bug-id: 1934937
+      message: >-
+        One or more Nova {msg_part_common}.
+      format-dict:
+        msg_part_common: $msg_part_common
+  neutron_1934937:
+    decision: neutron_has_1934937
+    raises:
+      type: LaunchpadBug
+      bug-id: 1934937
+      message: >-
+        One or more Neutron {msg_part_common}.
+      format-dict:
+        msg_part_common: $msg_part_common
+  cinder_1934937:
+    decision: cinder_has_1934937
+    raises:
+      type: LaunchpadBug
+      bug-id: 1934937
+      message: >-
+        One or more Cinder {msg_part_common}.
+      format-dict:
+        msg_part_common: $msg_part_common
+  gnocchi_1934937:
+    decision: gnocchi_has_1934937
+    raises:
+      type: LaunchpadBug
+      bug-id: 1934937
+      message: >-
+        One or more Gnocchi {msg_part_common}.
+      format-dict:
+        msg_part_common: $msg_part_common
diff --git a/hotsos/defs/tests/scenarios/openstack/oslo_messaging/lp1934937.yaml b/hotsos/defs/tests/scenarios/openstack/oslo_messaging/lp1934937.yaml
new file mode 100644
index 000000000..03543d029
--- /dev/null
+++ b/hotsos/defs/tests/scenarios/openstack/oslo_messaging/lp1934937.yaml
@@ -0,0 +1,20 @@
+data-root:
+  files:
+    var/log/nova/nova-compute.log: |
+      2023-06-18 08:42:58.702 1402787 ERROR oslo.messaging._drivers.impl_rabbit [-] Connection failed: [Errno 101] ENETUNREACH (retrying in 0 seconds): OSError: [Errno 101] ENETUNREACH
+      Traceback (most recent call last):
+        File "/usr/lib/python3/dist-packages/eventlet/hubs/hub.py", line 476, in fire_timers
+          timer()
+        File "/usr/lib/python3/dist-packages/eventlet/hubs/timer.py", line 59, in __call__
+          cb(*args, **kw)
+        File "/usr/lib/python3/dist-packages/eventlet/semaphore.py", line 152, in _do_acquire
+          waiter.switch()
+      greenlet.error: cannot switch to a different thread
+  copy-from-original:
+    - sos_commands/date/date
+raised-bugs:
+  https://bugs.launchpad.net/bugs/1934937: >-
+   One or more Nova service(s) on this host are affected by this bug which is
+   triggered when a non-wsgi service that is using greenthreads and has
+   oslo.messaging heartbeat_in_pthread=True tries to send a heartbeat message
+   to rabbitmq.