1 files changed, 67 insertions, 0 deletions
diff --git a/linhes/linhes-system/diskspace.sh b/linhes/linhes-system/diskspace.sh
new file mode 100755
index 0000000..1ab6dd7
--- /dev/null
+++ b/linhes/linhes-system/diskspace.sh
@@ -0,0 +1,67 @@
+#!/bin/sh
+### Monitor free disk space
+# Display alert if the free percentage of space is >= $ALERT
+
+#
+# Static Config Variables
+#
+# free space percentage to trigger an alert
+ALERT=90
+
+#
+# Static Binary Paths
+#
+DF='/usr/bin/df'
+GREP='/usr/bin/grep'
+AWK='/usr/bin/awk'
+CUT='/usr/bin/cut'
+HOSTNAME='/usr/bin/hostnamectl hostname'
+DATE='/usr/bin/date'
+MSG_CLIENT='/usr/bin/lh_notify-send'
+
+#
+# Static System Variables
+#
+THIS_HOST=`${HOSTNAME}`
+
+#
+# Check CLI Options
+#
+VERBOSE=false
+OSD=false
+for ARG in "$@" ; do
+        case $ARG in
+        "-v")
+                VERBOSE=true
+                ;;
+        "-osd")
+                OSD=true
+                ;;
+        esac
+done
+
+[ $VERBOSE = true ] && echo "Checking free disk space on ${THIS_HOST}"
+[ $VERBOSE = true ] && echo "Threshold for warning is ${ALERT}%"
+[ $VERBOSE = true ] && echo "------------------------------------------------------------------"
+
+# Dynamic Variables
+#DATE_STR=`${DATE} "+%d-%B-%y @ %H%Mhrs"`
+
+# Call df to find the used percentages. Grep for only local disks (not remote mounts like nfs or smb)
+# Pipe the output to awk to get the needed columns, then start a while loop to process each line.
+$DF -HPl | $GREP -E "^/dev/" | $AWK '{ print $5 " " $6 " " $1 }' | while read OUTPUT ; do
+    USED_PCENT=$(echo ${OUTPUT} | $AWK '{ print $1}' | $CUT -d'%' -f1  )    # Used space as a percentage
+    PARTITION=$(echo ${OUTPUT} | $AWK '{ print $2 }' )                      # Mount Point (eg, /home)
+    DEVICE=$(echo ${OUTPUT} | $AWK '{ print $3 }' )                         # Device (eg, /dev/sda1 or LABEL or UUID)
+    if [ $VERBOSE = true ] ; then
+        echo -e "${USED_PCENT}% used:\tDevice ${DEVICE} mounted to ${PARTITION}"
+    fi
+    if [ ${USED_PCENT} -ge $ALERT ]; then
+        echo "WARNING: Partition (${PARTITION}) on (${DEVICE}) is ${USED_PCENT}% full on ${THIS_HOST}"
+        if [ $OSD = true ] && { [ ${PARTITION} = / ] || [ ${PARTITION} = /home ] || [ ${PARTITION} = /data/srv/mysql ]; } then
+            $MSG_CLIENT --app-name="Disk Space WARNING" "Partition (${PARTITION}) on (${DEVICE}) is ${USED_PCENT}% full."
+        fi
+    fi
+done
+
+exit 0