Systemd compatibility.

lib/main.sh

@@ -1,7 +1,7 @@
 #!/bin/sh
 
 # load utils
-for util in ./lib/utils/*.sh; do
+for util in ${DIR}/lib/utils/*.sh; do
   . $util
 done
 
@@ -16,10 +16,10 @@ main_defaults () {
     DEFAULT_REPORTER=stdout
   fi
   if [ -z $CUSTOM_REPORTERS_PATH ]; then
-    CUSTOM_REPORTERS_PATH=./reporters/custom
+    CUSTOM_REPORTERS_PATH=${DIR}/reporters/custom
   fi
   if [ -z $CUSTOM_METRICS_PATH ]; then
-    CUSTOM_METRICS_PATH=./metrics/custom
+    CUSTOM_METRICS_PATH=${DIR}/metrics/custom
   fi
 }
 

lib/utils/loader.sh

@@ -2,7 +2,7 @@
 
 get_available_reporters () {
   local result
-  for file in `ls ./reporters/*.sh $CUSTOM_REPORTERS_PATH/*.sh 2> /dev/null`; do
+  for file in `ls ${DIR}/reporters/*.sh $CUSTOM_REPORTERS_PATH/*.sh 2> /dev/null`; do
     local filename=$(basename $file)
     local reporter=${filename%.*}
     result=$(echo "$result $reporter")
@@ -12,7 +12,7 @@ get_available_reporters () {
 
 get_available_metrics () {
   local result
-  for file in `ls ./metrics/*.sh $CUSTOM_METRICS_PATH/*.sh 2> /dev/null`; do
+  for file in `ls ${DIR}/metrics/*.sh $CUSTOM_METRICS_PATH/*.sh 2> /dev/null`; do
     local filename=$(basename $file)
     local metric=${filename%.*}
     # register metric
@@ -26,7 +26,7 @@ load_reporter_with_prefix () {
   local name=$2
 
   local file
-  for dir in $CUSTOM_REPORTERS_PATH ./reporters; do
+  for dir in $CUSTOM_REPORTERS_PATH ${DIR}/reporters; do
     if [ -f $dir/$name.sh ]; then
       file=$dir/$name.sh
       break
@@ -53,7 +53,7 @@ load_metric_with_prefix () {
   local name=$2
 
   local file
-  for dir in $CUSTOM_METRICS_PATH ./metrics; do
+  for dir in $CUSTOM_METRICS_PATH ${DIR}/metrics; do
     if [ -f $dir/$name.sh ]; then
       file=$dir/$name.sh
       break

metrics.sh

@@ -4,6 +4,7 @@
 LC_ALL=en_US.UTF-8
 LANG=en_US.UTF-8
 LANGUAGE=en_US.UTF-8
+DIR=$(dirname "$(readlink -f "$0")")
 
 usage () {
   echo "  Usage: $0 [-d] [-h] [-v] [-c] [-m] [-r] [-i] [-C] [-u]"
@@ -90,7 +91,7 @@ while [ $# -gt 0 ]; do
 done
 
 # run
-. ./lib/main.sh
+. ${DIR}/lib/main.sh
 
 if [ $opt_do_update = true ]; then
   if ! command_exists git; then

systemd/metrics.sh.service

@@ -0,0 +1,8 @@
+[Unit]
+Description=Server metrics collector
+
+[Service]
+ExecStart=/opt/metrics.sh/metrics.sh -c /etc/metrics.sh/metrics.ini
+
+[Install]
+WantedBy=multi-user.target