From aef593030f4c4a878f42bd18db30c27ce80a71a5 Mon Sep 17 00:00:00 2001
From: Paul Sinclair <sinclairpaul@hotmail.com>
Date: Sun, 10 May 2020 21:12:52 -0400
Subject: [PATCH] =?UTF-8?q?=F0=9F=94=A8Add=20optional=20configuration=20fo?=
 =?UTF-8?q?r=20history=5Fsize?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 README.md                                 | 5 +++++
 glances/config.json                       | 1 +
 glances/rootfs/etc/cont-init.d/glances.sh | 7 +++++++
 3 files changed, 13 insertions(+)

diff --git a/README.md b/README.md
index 6f6d02a..6fee27e 100644
--- a/README.md
+++ b/README.md
@@ -120,6 +120,11 @@ The private key file to use for SSL.
 
 **Note**: _The file MUST be stored in `/ssl/`, which is the default_
 
+### Option: `history_size`
+
+If specified changes the time Glances will retain data.  Default if not set is
+28800: 1 day with 1 point every 3 seconds.
+
 ### Option group `influxdb`
 
 ---
diff --git a/glances/config.json b/glances/config.json
index 02736dc..68a5813 100755
--- a/glances/config.json
+++ b/glances/config.json
@@ -51,6 +51,7 @@
     "ssl": "bool",
     "certfile": "str",
     "keyfile": "str",
+    "history_size": "int?",
     "influxdb": {
       "enabled": "bool",
       "host": "str",
diff --git a/glances/rootfs/etc/cont-init.d/glances.sh b/glances/rootfs/etc/cont-init.d/glances.sh
index abb50b3..9ac8cb1 100644
--- a/glances/rootfs/etc/cont-init.d/glances.sh
+++ b/glances/rootfs/etc/cont-init.d/glances.sh
@@ -17,6 +17,13 @@ else
     cp /etc/glances.conf /config/glances/
 fi
 
+# Set History Size
+history_size=28800
+  if bashio::config.exists 'history_size'; then
+    history_size=$(bashio::config 'history_size')
+  fi
+sed -i "s#history_size=28800#history_size=${history_size}#g" /etc/glances.conf
+
 # Export Glances data to InfluxDB
 if bashio::config.true 'influxdb.enabled'; then
     protocol='http'