From b29e9c0e458446307a11578f57ad5a00d7889976 Mon Sep 17 00:00:00 2001
From: Jeltz <tom.barthe+aurore@ens-paris-saclay.fr>
Date: Fri, 30 Apr 2021 16:49:00 +0200
Subject: [PATCH] Configure a disk-assisted queue for output actions

---
 roles/rsyslog_common/defaults/main.yml        |  1 +
 .../templates/10-common.conf.j2               | 22 +++++++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/roles/rsyslog_common/defaults/main.yml b/roles/rsyslog_common/defaults/main.yml
index e5e6024..f175014 100644
--- a/roles/rsyslog_common/defaults/main.yml
+++ b/roles/rsyslog_common/defaults/main.yml
@@ -1,3 +1,4 @@
 ---
 rsyslog_outputs: []
+rsyslog_high_density: false
 ...
diff --git a/roles/rsyslog_common/templates/10-common.conf.j2 b/roles/rsyslog_common/templates/10-common.conf.j2
index 36cd4dc..74969ac 100644
--- a/roles/rsyslog_common/templates/10-common.conf.j2
+++ b/roles/rsyslog_common/templates/10-common.conf.j2
@@ -91,6 +91,28 @@ ruleset(name="sendLogsToRemote") {
         port="{{ output.port }}"
 {% endif %}
 
+        queue.type="LinkedList"
+        queue.spoolDirectory="/var/spool/rsyslog"
+        queue.fileName="queue_{{ loop.index }}"
+        queue.saveOnShutdown="on"
+
+{% if rsyslog_high_density %}
+        queue.highWatermark="20000"
+        queue.lowWatermark="5000"
+        queue.checkpointInterval="10000"
+        queue.maxDiskSpace="4g"
+{% else %}
+        queue.highWatermark="500"
+        queue.lowWatermark="100"
+        queue.checkpointInterval="200"
+        queue.syncqueuefiles="on"
+        queue.maxDiskSpace="500m"
+{% endif %}
+
+        action.resumeRetryCount="-1"
+        action.reportSuspension="on"
+        action.reportSuspensionContinuation="on"
+
 {% if loop.index > 1 and output.fallback %}
         action.execOnlyWhenPreviousIsSuspended="on"
 {% endif %}