From dc8c788e058c06151e42c0db27b1a5110a5db605 Mon Sep 17 00:00:00 2001
From: Nathan Huizinga <nathan.huizinga@gmail.com>
Date: Sat, 16 Dec 2017 18:25:58 +0100
Subject: [PATCH] Added logrotate support

---
 install.sh        |  2 ++
 log2ram           | 17 +++++++++++++----
 log2ram.logrotate | 13 +++++++++++++
 uninstall.sh      |  1 +
 4 files changed, 29 insertions(+), 4 deletions(-)
 create mode 100644 log2ram.logrotate

diff --git a/install.sh b/install.sh
index 32ce69d..fa7de75 100644
--- a/install.sh
+++ b/install.sh
@@ -14,6 +14,8 @@ then
   systemctl enable log2ram
   cp log2ram.hourly /etc/cron.hourly/log2ram
   chmod +x /etc/cron.hourly/log2ram
+  cp log2ram.logrotate /etc/logrotate.d/log2ram
+  chmod 644 /etc/logrotate.d/log2ram
 
   # Remove a previous log2ram version
   if [ -d /var/log.hdd]; then
diff --git a/log2ram b/log2ram
index a925062..a793311 100755
--- a/log2ram
+++ b/log2ram
@@ -6,6 +6,7 @@ HDD_LOG=/var/hdd.log
 RAM_LOG=/var/log
 
 LOG_NAME="log2ram.log"
+LOGROTATE_PATTERN="${LOG_NAME}*"
 LOG2RAM_LOG="${HDD_LOG}/${LOG_NAME}"
 LOG_OUTPUT="tee -a $LOG2RAM_LOG"
 
@@ -18,7 +19,7 @@ syncToDisk () {
     isSafe
 
     if [ "$USE_RSYNC" = true ]; then
-        rsync -aXWv --delete --exclude $LOG_NAME --links $RAM_LOG/ $HDD_LOG/ 2>&1 | $LOG_OUTPUT
+        rsync -aXWv --delete --exclude $LOGROTATE_PATTERN --links $RAM_LOG/ $HDD_LOG/ 2>&1 | $LOG_OUTPUT
     else
         cp -rfup $RAM_LOG/ -T $HDD_LOG/ 2>&1 | $LOG_OUTPUT
     fi
@@ -38,7 +39,7 @@ syncFromDisk () {
     fi
 
     if [ "$USE_RSYNC" = true ]; then
-        rsync -aXWv --delete --exclude $LOG_NAME --links $HDD_LOG/ $RAM_LOG/ 2>&1 | $LOG_OUTPUT
+        rsync -aXWv --delete --exclude $LOGROTATE_PATTERN --links $HDD_LOG/ $RAM_LOG/ 2>&1 | $LOG_OUTPUT
     else
         cp -rfup $HDD_LOG/ -T $RAM_LOG/ 2>&1 | $LOG_OUTPUT
     fi
@@ -51,12 +52,20 @@ wait_for () {
 }
 
 case "$1" in
+  clean-rotate)
+      rm -f $HDD_LOG/$LOGROTATE_PATTERN
+      rm -f $RAM_LOG/$LOGROTATE_PATTERN
+      ;;
+
+  rotate)
+      rm -f $LOG2RAM_LOG
+      ;;
+
   start)
       [ -d $HDD_LOG/ ] || mkdir $HDD_LOG/
       mount --bind $RAM_LOG/ $HDD_LOG/
       mount --make-private $HDD_LOG/
       wait_for $HDD_LOG
-      rm -f $LOG2RAM_LOG
       mount -t tmpfs -o nosuid,noexec,nodev,mode=0755,size=$SIZE log2ram $RAM_LOG/
       wait_for $RAM_LOG
       syncFromDisk
@@ -73,7 +82,7 @@ case "$1" in
       ;;
 
   *)
-      echo "Usage: log2ram {start|stop|write}" >&2
+      echo "Usage: log2ram {clean-rotate|rotate|start|stop|write}" >&2
       exit 1
       ;;
 esac
diff --git a/log2ram.logrotate b/log2ram.logrotate
new file mode 100644
index 0000000..9cb844d
--- /dev/null
+++ b/log2ram.logrotate
@@ -0,0 +1,13 @@
+/var/hdd.log/log2ram.log
+{
+  rotate 7
+  daily
+  missingok
+  notifempty
+  delaycompress
+  compress
+  postrotate
+    log2ram rotate > /dev/null
+  endscript
+}
+
diff --git a/uninstall.sh b/uninstall.sh
index a4d9244..791bf91 100644
--- a/uninstall.sh
+++ b/uninstall.sh
@@ -8,6 +8,7 @@ then
   rm /usr/local/bin/log2ram
   rm /etc/log2ram.conf
   rm /etc/cron.hourly/log2ram
+  rm /etc/logrotate.d/log2ram
 
   if [ -d /var/hdd.log ]; then
     rm -r /var/hdd.log