From 04c3331953840e784a1ea829df41b24286e9d4f0 Mon Sep 17 00:00:00 2001
From: anadahz <andz@torproject.org>
Date: Thu, 1 Sep 2016 17:19:30 -0300
Subject: [PATCH 1/2] Add a daily cronjob emergency deletion of logs/files

This script checks the root filesystem disk usage and delete log files
and a number of files upon a critical or critical disk space usage of
the root filesystem.
---
 .../etc/cron.daily/emergency_cleanup          | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 lepidopter-fh/etc/cron.daily/emergency_cleanup

diff --git a/lepidopter-fh/etc/cron.daily/emergency_cleanup b/lepidopter-fh/etc/cron.daily/emergency_cleanup
new file mode 100644
index 0000000..aa6eb9e
--- /dev/null
+++ b/lepidopter-fh/etc/cron.daily/emergency_cleanup
@@ -0,0 +1,23 @@
+#!/bin/bash
+# This script will cleanup old log files and apt cache if a specific warning or
+# critical percentage of used disk space is triggered for the root filesystem
+set -e
+
+# Critical percentage of root filesystem usage
+CRITICAL_PCENT=98
+# Warning percentage of root filesystem usage
+WARNING_PCENT=93
+ROOTFS_USE=$(df --sync --output=pcent / |tail -n1 |cut -d'%')
+
+if [ "$ROOTFS_USE" -ge "$CRITICAL_PCENT" ] ; then
+    apt-get clean
+    echo "Removing documentation..." >&2
+    find /usr/share/doc -depth -type f ! -name copyright|xargs rm || true
+    find /usr/share/doc -empty|xargs rmdir || true
+    rm -rf /usr/share/man /usr/share/groff /usr/share/info /usr/share/lintian \
+        /usr/share/linda /var/cache/man /usr/share/locale
+    find /var/log/ -type f -mtime +1 -exec rm -f -- '{}' \;
+elif [ "$ROOTFS_USE" -ge "$WARNING_PCENT" ] ; then
+    # Remove the same set of files and directories
+    find /var/log/ -type f -mtime +2 -exec rm -f -- '{}' \;
+fi

From e54403da0af4c321c25a1d55a6dc307f6a4dab5f Mon Sep 17 00:00:00 2001
From: anadahz <andz@torproject.org>
Date: Thu, 1 Sep 2016 17:44:41 -0300
Subject: [PATCH 2/2] Fix remove whitespace from variable, set execute
 permissions

---
 lepidopter-fh/etc/cron.daily/emergency_cleanup | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
 mode change 100644 => 100755 lepidopter-fh/etc/cron.daily/emergency_cleanup

diff --git a/lepidopter-fh/etc/cron.daily/emergency_cleanup b/lepidopter-fh/etc/cron.daily/emergency_cleanup
old mode 100644
new mode 100755
index aa6eb9e..c99b5cb
--- a/lepidopter-fh/etc/cron.daily/emergency_cleanup
+++ b/lepidopter-fh/etc/cron.daily/emergency_cleanup
@@ -7,7 +7,7 @@ set -e
 CRITICAL_PCENT=98
 # Warning percentage of root filesystem usage
 WARNING_PCENT=93
-ROOTFS_USE=$(df --sync --output=pcent / |tail -n1 |cut -d'%')
+ROOTFS_USE=$(df --sync --output=pcent / |tail -n1 |cut -d'%' -f1 |tr -d ' ')
 
 if [ "$ROOTFS_USE" -ge "$CRITICAL_PCENT" ] ; then
     apt-get clean