From 082d67f5965c69ee72be4bb1e1c44fd9ff5526d5 Mon Sep 17 00:00:00 2001
From: Takashi Kajinami <tkajinam@redhat.com>
Date: Fri, 21 May 2021 19:50:51 +0900
Subject: [PATCH] Deprecate unused [coordination] check_watchers

The [coordination] check_watchers is no longer used in any
implementation. This change deprecates the parameter so that we can
remove it in a future release.

Closes-Bug: #1929178
Change-Id: I973eb15433e66c75366666940a841e5a579bf0e8
---
 aodh/coordination.py                                 | 2 ++
 releasenotes/notes/bug-1929178-46493335946174a5.yaml | 5 +++++
 2 files changed, 7 insertions(+)
 create mode 100644 releasenotes/notes/bug-1929178-46493335946174a5.yaml

diff --git a/aodh/coordination.py b/aodh/coordination.py
index 9826f3c9f..5aaf5f429 100644
--- a/aodh/coordination.py
+++ b/aodh/coordination.py
@@ -38,6 +38,8 @@ OPTS = [
                       'coordination.'),
     cfg.FloatOpt('check_watchers',
                  default=10.0,
+                 deprecated_for_removal=True,
+                 deprecated_reason='This parameter is no longer used.',
                  help='Number of seconds between checks to see if group '
                       'membership has changed'),
     cfg.IntOpt('retry_backoff',
diff --git a/releasenotes/notes/bug-1929178-46493335946174a5.yaml b/releasenotes/notes/bug-1929178-46493335946174a5.yaml
new file mode 100644
index 000000000..4ce215dc9
--- /dev/null
+++ b/releasenotes/notes/bug-1929178-46493335946174a5.yaml
@@ -0,0 +1,5 @@
+---
+deprecations:
+  - |
+    The ``[coordination] check_watchers`` parameter has been deprecated since
+    it has been ineffective.