From 55e9084a46c4244ca1daa9fcfda06c504974e692 Mon Sep 17 00:00:00 2001
From: shizhendong <shizhendong@zdjizhi.com>
Date: Wed, 26 Apr 2023 15:08:13 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20NEZ-2138=20nz-talon=20=E6=89=93?=
 =?UTF-8?q?=E5=8C=85=20telegraf=20=E5=BC=80=E6=BA=90=E7=BB=84=E4=BB=B6?=
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Content-Type: text/plain; charset=UTF-8
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1、nz-talon 编译打包时，打包 telegraf-1.26.2 （当前最新版本）
2、内置 cpu，mem，disk ，io 等默认监控配置
3、telegraf service 名称： nz-telegraf
4、promtail service 名称改为： nz-promtail
5、nz-talon 更新时确保原有 telegraf 配置不丢失
---
 .../controller/PromtailController.java        |   6 +-
 tools/afterinstall.sh                         | 135 +++++++++++++-----
 tools/afterremove.sh                          |  31 +++-
 tools/beforeinstall.sh                        |  35 ++++-
 tools/package.sh                              |  11 +-
 tools/telegraf.conf                           |  24 ++++
 tools/telegraf.d/cpu.conf                     |  12 ++
 tools/telegraf.d/disk.conf                    |  13 ++
 tools/telegraf.d/diskio.conf                  |  30 ++++
 tools/telegraf.d/kernel.conf                  |   4 +
 tools/telegraf.d/mem.conf                     |   3 +
 tools/telegraf.d/net.conf                     |  14 ++
 tools/telegraf.d/processes.conf               |   6 +
 tools/telegraf.d/swap.conf                    |   3 +
 tools/telegraf.d/system.conf                  |   3 +
 tools/telegraf.d/systemd_units.conf           |  16 +++
 16 files changed, 302 insertions(+), 44 deletions(-)
 create mode 100644 tools/telegraf.conf
 create mode 100644 tools/telegraf.d/cpu.conf
 create mode 100644 tools/telegraf.d/disk.conf
 create mode 100644 tools/telegraf.d/diskio.conf
 create mode 100644 tools/telegraf.d/kernel.conf
 create mode 100644 tools/telegraf.d/mem.conf
 create mode 100644 tools/telegraf.d/net.conf
 create mode 100644 tools/telegraf.d/processes.conf
 create mode 100644 tools/telegraf.d/swap.conf
 create mode 100644 tools/telegraf.d/system.conf
 create mode 100644 tools/telegraf.d/systemd_units.conf

diff --git a/src/main/java/net/geedge/confagent/controller/PromtailController.java b/src/main/java/net/geedge/confagent/controller/PromtailController.java
index 3e7ac0e..ddeaf6e 100644
--- a/src/main/java/net/geedge/confagent/controller/PromtailController.java
+++ b/src/main/java/net/geedge/confagent/controller/PromtailController.java
@@ -40,16 +40,16 @@ public class PromtailController extends BaseController{
     @Value("${confagent.promtail.query.auth:true}")
     private Boolean queryAuth;
 
-    @Value("${confagent.promtail.restart:systemctl restart promtail}")
+    @Value("${confagent.promtail.restart:systemctl restart nz-promtail}")
     private String restartCmd;
     
     @Value("${confagent.versionFile:promtail.version}")
     private String versionFile;
     
-    @Value("${confagent.promtail.startCmd:systemctl start promtail.service}")
+    @Value("${confagent.promtail.startCmd:systemctl start nz-promtail.service}")
     private String startCmd;
     
-    @Value("${confagent.promtail.stopCmd:systemctl stop promtail.service}")
+    @Value("${confagent.promtail.stopCmd:systemctl stop nz-promtail.service}")
     private String stopCmd;
     
     private final String[] QUERY_API_SUFFIX = {"query","query_range","series","labels","label","values"};
diff --git a/tools/afterinstall.sh b/tools/afterinstall.sh
index 6715ff3..afbce06 100644
--- a/tools/afterinstall.sh
+++ b/tools/afterinstall.sh
@@ -32,7 +32,7 @@ Restart=always
 WantedBy=multi-user.target
 EOF
 
-	cat > /usr/lib/systemd/system/promtail.service <<"EOF"
+	cat > /usr/lib/systemd/system/nz-promtail.service <<"EOF"
 [Unit]
 Description=nz-talon
 After=network.target
@@ -42,23 +42,99 @@ EnvironmentFile=/opt/nezha/promtail/config.conf
 ExecStart=/opt/nezha/promtail/promtail $OPTION
 RestartSec=5s
 Restart=always
+[Install]
+WantedBy=multi-user.target
+EOF
+
+	cat > /usr/lib/systemd/system/nz-telegraf.service <<"EOF"
+[Unit]
+Description=Telegraf
+Documentation=https://github.com/influxdata/telegraf
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+WorkingDirectory=/opt/nezha/telegraf
+Type=notify
+EnvironmentFile=/opt/nezha/telegraf/config.conf
+ExecStart=/opt/nezha/telegraf/telegraf $OPTION
+ExecReload=/bin/kill -HUP $MAINPID
+Restart=on-failure
+RestartForceExitStatus=SIGPIPE
+KillMode=control-group
+LimitMEMLOCK=8M:8M
+
 [Install]
 WantedBy=multi-user.target
 EOF
 
 	systemctl daemon-reload
 	systemctl enable nz-talon && systemctl restart nz-talon
-	systemctl enable promtail && systemctl restart promtail
+	systemctl enable nz-promtail && systemctl restart nz-promtail
+	systemctl enable nz-telegraf && systemctl restart nz-telegraf
 	echo 'install nz-talon success !'
 fi
-compareMD5()
-{
-  if [ ! -f $1 ] || [ ! -f $2 ];then
-		echo 1
-		return 1
-	fi
 
-	local f1MD5=`md5sum $1|awk '{print $1}'`
+# update
+if [ 2 -eq $1 ];then
+	TALON_PATH=/opt/nezha/nz-talon
+	TMP_PATH=/tmp/nezha/nz-talon
+	PROMTAIL_PATH=/opt/nezha/promtail
+	TELEGRAF_PATH=/opt/nezha/telegraf
+	echo 'move backup config file...'
+	if [ -d $TMP_PATH ];then
+		# nz-talon config
+	    restoreComponentConfig $TALON_PATH/config $TMP_PATH/config
+
+		# promtail config
+		restoreComponentConfig $PROMTAIL_PATH $TMP_PATH/promtail
+
+		# telegraf config
+		restoreComponentConfig $TELEGRAF_PATH $TMP_PATH/telegraf
+		restoreComponentConfig $TELEGRAF_PATH/telegraf.d $TMP_PATH/telegraf/telegraf.d
+	fi
+	systemctl restart nz-talon
+
+	# nz-promtail.service
+    if service_exists nz-promtail; then
+        systemctl restart nz-promtail
+    else
+        echo 'service nz-promtail not exists,add this service'
+	cat > /usr/lib/systemd/system/nz-promtail.service <<"EOF"
+[Unit]
+Description=nz-talon
+After=network.target
+[Service]
+WorkingDirectory=/opt/nezha/promtail
+EnvironmentFile=/opt/nezha/promtail/config.conf
+ExecStart=/opt/nezha/promtail/promtail $OPTION
+RestartSec=5s
+Restart=always
+[Install]
+WantedBy=multi-user.target
+EOF
+
+	    systemctl daemon-reload
+	    systemctl enable nz-promtail && systemctl restart nz-promtail
+    fi
+fi
+
+service_exists(){
+    local n=$1
+    if [[ $(systemctl list-units --all -t service --full --no-legend "$n.service" | sed 's/^\s*//g' | cut -f1 -d' ') == $n.service ]]; then
+        return 0
+    else
+        return 1
+    fi
+}
+
+compareMD5(){
+  if [ ! -f $1 ] || [ ! -f $2 ];then
+    echo 1
+    return 1
+  fi
+
+  local f1MD5=`md5sum $1|awk '{print $1}'`
   local f2MD5=`md5sum $2|awk '{print $1}'`
 
   if [ ${f1MD5} = ${f2MD5} ];then
@@ -70,28 +146,19 @@ compareMD5()
   fi
 }
 
-# update
-if [ 2 -eq $1 ];then
-	TALON_PATH=/opt/nezha/nz-talon
-	TMP_PATH=/tmp/nezha/nz-talon
-	PROMTAIL_PATH=/opt/nezha/promtail
-	echo 'move backup config file...'
-	if [ -d $TMP_PATH ];then
-		# 恢复 nz-talon 配置文件
-		for i in $(ls $TALON_PATH/config);do
-			if [ 1 -eq `compareMD5 $WEB_PATH/config/$i $TMP_PATH/config/$i` ];then
-				echo 'return config file '${i}
-				cp -f $TMP_PATH/config/$i $TALON_PATH/config/$i
-			fi
-		done
-		# 恢复 promtail 配置文件
-		for n in $(ls $TMP_PATH/promtail);do
-			if [ -f "$PROMTAIL_PATH/$n" ];then
-				echo 'return config file '${n}
-				cp -f $TMP_PATH/promtail/$n $PROMTAIL_PATH/$n
-			fi
-		done
-	fi
-	systemctl restart nz-talon
-	systemctl restart promtail
-fi
+# 还原配置文件
+# $1 需要还原的文件目录 /opt/nezha/nz-talon/config  /opt/nezha/nz-talon/promtail ...
+# $2 备份文件目录       /tmp/nezha/nz-talon/config /tmp/nezha/nz-talon/promtail ...
+restoreComponentConfig(){
+  if [ ! -d $1 ] || [ ! -d $2 ];then
+    echo "Directory does not exist"
+    return 1
+  fi
+
+  for i in $(ls $2);do
+    if [ 1 -eq `compareMD5 $1/$i $2/$i` ];then
+      echo 'return config file '$1/${i}
+      cp -f $2/$i $1/$i
+    fi
+  done
+}
diff --git a/tools/afterremove.sh b/tools/afterremove.sh
index 39cf06b..8ac5395 100644
--- a/tools/afterremove.sh
+++ b/tools/afterremove.sh
@@ -4,17 +4,40 @@ if [ 0 -eq $1 ];then
 	echo 'start remove nz-talon module from disk...'
 
 	systemctl stop nz-talon.service
-	systemctl stop promtail.service
+	systemctl stop nz-telegraf.service
 
 	rm -rf /opt/nezha/nz-talon
-	rm -rf /opt/nezha/promtail
+	rm -rf /opt/nezha/telegraf
 
 	systemctl disable nz-talon.service
-	systemctl disable promtail.service
+	systemctl disable nz-telegraf.service
 
-	rm -rf /usr/lib/systemd/system/{nz-talon.service,promtail.service}
+	# promtail.service
+    if service_exists promtail; then
+        systemctl stop promtail.service
+        rm -rf /opt/nezha/promtail
+        systemctl disable promtail.service
+    fi
+
+    # nz-promtail.service
+    if service_exists nz-promtail; then
+        systemctl stop nz-promtail.service
+        rm -rf /opt/nezha/promtail
+        systemctl disable nz-promtail.service
+    fi
+
+	rm -rf /usr/lib/systemd/system/{nz-talon.service,promtail.service,nz-promtail.service,nz-telegraf.service}
 
 	systemctl daemon-reload
 
 	echo 'uninstall success!'
 fi
+
+service_exists(){
+    local n=$1
+    if [[ $(systemctl list-units --all -t service --full --no-legend "$n.service" | sed 's/^\s*//g' | cut -f1 -d' ') == $n.service ]]; then
+        return 0
+    else
+        return 1
+    fi
+}
diff --git a/tools/beforeinstall.sh b/tools/beforeinstall.sh
index d272c6e..84da859 100644
--- a/tools/beforeinstall.sh
+++ b/tools/beforeinstall.sh
@@ -2,6 +2,7 @@
 
 TALON_PATH=/opt/nezha/nz-talon
 PROMTAIL_PATH=/opt/nezha/promtail
+TELEGRAF_PATH=/opt/nezha/telegraf
 
 if [ 2 -eq $1 ];then
 	
@@ -10,23 +11,53 @@ if [ 2 -eq $1 ];then
 	fi
 	
 	systemctl stop nz-talon
-	systemctl stop promtail
-	
+	systemctl stop nz-telegraf
+
+	# promtail.service, deprecated
+    if service_exists promtail; then
+        echo 'service promtail exists, close the service'
+        systemctl stop promtail
+        systemctl disable promtail
+        rm /usr/lib/systemd/system/promtail.service
+        systemctl daemon-reload
+        systemctl reset-failed
+    fi
+
+    # nz-promtail.service
+    if service_exists nz-promtail; then
+        systemctl stop nz-promtail
+    fi
+
 	TMP_PATH=/tmp/nezha/nz-talon
 	rm -rf $TMP_PATH
 
 	mkdir -p $TMP_PATH
 	mkdir -p $TMP_PATH/promtail
+	mkdir -p $TMP_PATH/telegraf
+
 	cp -rf $TALON_PATH/config $TMP_PATH
 	[ -f "$PROMTAIL_PATH/promtail.yaml" ] && cp -rf $PROMTAIL_PATH/promtail.yaml  $TMP_PATH/promtail
 	[ -f "$PROMTAIL_PATH/config.conf" ] && cp -rf $PROMTAIL_PATH/config.conf  $TMP_PATH/promtail
+
+	[ -f "$TELEGRAF_PATH/config.conf" ] && cp -rf $TELEGRAF_PATH/config.conf  $TMP_PATH/telegraf
+	[ -f "$TELEGRAF_PATH/telegraf.conf" ] && cp -rf $TELEGRAF_PATH/telegraf.conf  $TMP_PATH/telegraf
+	[ -d "$TELEGRAF_PATH/telegraf.d" ] && cp -rf $TELEGRAF_PATH/telegraf.d $TMP_PATH/telegraf
 	echo 'backup config file from '${TALON_PATH}
 	
 	if [ 0 -lt $(rpm -aq nz-talon|wc -w) ];then
 		echo 'clean before install...'
 		rm -rf $TALON_PATH
 		rm -rf $PROMTAIL_PATH
+		rm -rf $TELEGRAF_PATH
 	fi
 fi
 
 
+service_exists(){
+    local n=$1
+    if [[ $(systemctl list-units --all -t service --full --no-legend "$n.service" | sed 's/^\s*//g' | cut -f1 -d' ') == $n.service ]]; then
+        return 0
+    else
+        return 1
+    fi
+}
diff --git a/tools/package.sh b/tools/package.sh
index c9fa564..20ce179 100644
--- a/tools/package.sh
+++ b/tools/package.sh
@@ -21,9 +21,10 @@ mc alias set nz $MINIO_HOST $MINIO_USER $MINIO_PWD
 BUILD_PATH=$CUR_PWD/build
 RPM_TALON_PATH=$BUILD_PATH/opt/nezha/nz-talon
 RPM_PROMTAIL_PATH=$BUILD_PATH/opt/nezha/promtail
+RPM_TELEGRAF_PATH=$BUILD_PATH/opt/nezha/telegraf
 RPM_JDK_PATH=$RPM_TALON_PATH/jdk
 
-mkdir -p $RPM_TALON_PATH $RPM_PROMTAIL_PATH
+mkdir -p $RPM_TALON_PATH $RPM_PROMTAIL_PATH $RPM_TELEGRAF_PATH
 mkdir -p $RPM_TALON_PATH/config
 mkdir -p $RPM_JDK_PATH
 
@@ -56,6 +57,14 @@ mv $RPM_PROMTAIL_PATH/promtail-linux-amd64 $RPM_PROMTAIL_PATH/promtail
 cp -f ./tools/config.conf $RPM_PROMTAIL_PATH
 cp -f ./tools/promtail.yaml $RPM_PROMTAIL_PATH
 
+# telegraf
+mc cp nz/depends/telegraf/telegraf-1.26.2.tar.gz
+tar -xzf telegraf-1.26.2.tar.gz -C $RPM_TELEGRAF_PATH
+cat > $RPM_TELEGRAF_PATH/config.conf <<EOF
+OPTION=" -config /opt/nezha/telegraf/telegraf.conf -config-directory /opt/nezha/telegraf/telegraf.d "
+EOF
+cp -f ./tools/telegraf.conf $RPM_TELEGRAF_PATH
+cp -rf ./tools/telegraf.d $RPM_TELEGRAF_PATH
 
 #修改日志地址 2021_08_26
 sed -i 's/<property name="log.path" value=".*"/<property name="log.path" value="\/var\/log\/nezha\/nz-talon\/"/g' ${RPM_TALON_PATH}/config/logback-spring.xml
diff --git a/tools/telegraf.conf b/tools/telegraf.conf
new file mode 100644
index 0000000..aad4d03
--- /dev/null
+++ b/tools/telegraf.conf
@@ -0,0 +1,24 @@
+# Configuration for the Prometheus client to spawn
+[[outputs.prometheus_client]]
+  ## Address to listen on.
+  listen = ":19273"
+  namepass = ["cpu", "disk", "diskio", "mem", "net", "processes", "swap", "system", "systemd_units", "kernel"]
+  ## Metric version controls the mapping from Prometheus metrics into Telegraf metrics.
+  ## See "Metric Format Configuration" in plugins/inputs/prometheus/README.md for details.
+  ## Valid options: 1, 2
+  # metric_version = 1  ## Use HTTP Basic Authentication.
+  # basic_username = "Foo"
+  # basic_password = "Bar"  ## If set, the IP Ranges which are allowed to access metrics.
+  ##   ex: ip_range = ["192.168.0.0/24", "192.168.1.0/30"]
+  # ip_range = []  ## Path to publish the metrics on.
+  # path = "/metrics"  ## Expiration interval for each metric. 0 == no expiration
+  # expiration_interval = "60s"  ## Collectors to enable, valid entries are "gocollector" and "process".
+  ## If unset, both are enabled.
+  # collectors_exclude = ["gocollector", "process"]  ## Send string metrics as Prometheus labels.
+  ## Unless set to false all string metrics will be sent as labels.
+  # string_as_label = true  ## If set, enable TLS with the given certificate.
+  # tls_cert = "/etc/ssl/telegraf.crt"
+  # tls_key = "/etc/ssl/telegraf.key"  ## Set one or more allowed client CA certificate file names to
+  ## enable mutually authenticated TLS connections
+  # tls_allowed_cacerts = ["/etc/telegraf/clientca.pem"]  ## Export metric collection time.
+  # export_timestamp = false 
\ No newline at end of file
diff --git a/tools/telegraf.d/cpu.conf b/tools/telegraf.d/cpu.conf
new file mode 100644
index 0000000..3b53a2d
--- /dev/null
+++ b/tools/telegraf.d/cpu.conf
@@ -0,0 +1,12 @@
+# Read metrics about cpu usage
+[[inputs.cpu]]
+  ## Whether to report per-cpu stats or not
+  percpu = true
+  ## Whether to report total system cpu stats or not
+  totalcpu = true
+  ## If true, collect raw CPU time metrics
+  collect_cpu_time = false
+  ## If true, compute and report the sum of all non-idle CPU states
+  report_active = false
+  ## If true and the info is available then add core_id and physical_id tags
+  core_tags = false
\ No newline at end of file
diff --git a/tools/telegraf.d/disk.conf b/tools/telegraf.d/disk.conf
new file mode 100644
index 0000000..f0a9864
--- /dev/null
+++ b/tools/telegraf.d/disk.conf
@@ -0,0 +1,13 @@
+# Read metrics about disk usage by mount point
+[[inputs.disk]]
+  ## By default stats will be gathered for all mount points.
+  ## Set mount_points will restrict the stats to only the specified mount points.
+  # mount_points = ["/"]
+
+  ## Ignore mount points by filesystem type.
+  ignore_fs = ["tmpfs", "devtmpfs", "devfs", "iso9660", "overlay", "aufs", "squashfs"]
+
+  ## Ignore mount points by mount options.
+  ## The 'mount' command reports options of all mounts in parathesis.
+  ## Bind mounts can be ignored with the special 'bind' option.
+  # ignore_mount_opts = []
\ No newline at end of file
diff --git a/tools/telegraf.d/diskio.conf b/tools/telegraf.d/diskio.conf
new file mode 100644
index 0000000..57565a3
--- /dev/null
+++ b/tools/telegraf.d/diskio.conf
@@ -0,0 +1,30 @@
+# Read metrics about disk IO by device
+# This plugin ONLY supports Linux
+[[inputs.diskio]]
+  ## By default, telegraf will gather stats for all devices including
+  ## disk partitions.
+  ## Setting devices will restrict the stats to the specified devices.
+  ## NOTE: Globbing expressions (e.g. asterix) are not supported for
+  ##       disk synonyms like '/dev/disk/by-id'.
+  # devices = ["sda", "sdb", "vd*", "/dev/disk/by-id/nvme-eui.00123deadc0de123"]
+  ## Uncomment the following line if you need disk serial numbers.
+  # skip_serial_number = false
+  #
+  ## On systems which support it, device metadata can be added in the form of
+  ## tags.
+  ## Currently only Linux is supported via udev properties. You can view
+  ## available properties for a device by running:
+  ## 'udevadm info -q property -n /dev/sda'
+  ## Note: Most, but not all, udev properties can be accessed this way. Properties
+  ## that are currently inaccessible include DEVTYPE, DEVNAME, and DEVPATH.
+  # device_tags = ["ID_FS_TYPE", "ID_FS_USAGE"]
+  #
+  ## Using the same metadata source as device_tags, you can also customize the
+  ## name of the device via templates.
+  ## The 'name_templates' parameter is a list of templates to try and apply to
+  ## the device. The template may contain variables in the form of '$PROPERTY' or
+  ## '${PROPERTY}'. The first template which does not contain any variables not
+  ## present for the device is used as the device name tag.
+  ## The typical use case is for LVM volumes, to get the VG/LV name instead of
+  ## the near-meaningless DM-0 name.
+  # name_templates = ["$ID_FS_LABEL","$DM_VG_NAME/$DM_LV_NAME"]
\ No newline at end of file
diff --git a/tools/telegraf.d/kernel.conf b/tools/telegraf.d/kernel.conf
new file mode 100644
index 0000000..2bc27a1
--- /dev/null
+++ b/tools/telegraf.d/kernel.conf
@@ -0,0 +1,4 @@
+# Get kernel statistics from /proc/stat
+# This plugin ONLY supports Linux
+[[inputs.kernel]]
+  # no configuration
\ No newline at end of file
diff --git a/tools/telegraf.d/mem.conf b/tools/telegraf.d/mem.conf
new file mode 100644
index 0000000..937a985
--- /dev/null
+++ b/tools/telegraf.d/mem.conf
@@ -0,0 +1,3 @@
+# Read metrics about memory usage
+[[inputs.mem]]
+  # no configuration
\ No newline at end of file
diff --git a/tools/telegraf.d/net.conf b/tools/telegraf.d/net.conf
new file mode 100644
index 0000000..4d4cddc
--- /dev/null
+++ b/tools/telegraf.d/net.conf
@@ -0,0 +1,14 @@
+# Gather metrics about network interfaces
+[[inputs.net]]
+  ## By default, telegraf gathers stats from any up interface (excluding loopback)
+  ## Setting interfaces will tell it to gather these explicit interfaces,
+  ## regardless of status. When specifying an interface, glob-style
+  ## patterns are also supported.
+  ##
+  # interfaces = ["eth*", "enp0s[0-1]", "lo"]
+  ##
+  ## On linux systems telegraf also collects protocol stats.
+  ## Setting ignore_protocol_stats to true will skip reporting of protocol metrics.
+  ##
+  # ignore_protocol_stats = false
+  ##
\ No newline at end of file
diff --git a/tools/telegraf.d/processes.conf b/tools/telegraf.d/processes.conf
new file mode 100644
index 0000000..f5c6a4b
--- /dev/null
+++ b/tools/telegraf.d/processes.conf
@@ -0,0 +1,6 @@
+# Get the number of processes and group them by status
+# This plugin ONLY supports non-Windows
+[[inputs.processes]]
+  ## Use sudo to run ps command on *BSD systems. Linux systems will read
+  ## /proc, so this does not apply there.
+  use_sudo = false
\ No newline at end of file
diff --git a/tools/telegraf.d/swap.conf b/tools/telegraf.d/swap.conf
new file mode 100644
index 0000000..62f198b
--- /dev/null
+++ b/tools/telegraf.d/swap.conf
@@ -0,0 +1,3 @@
+# Read metrics about swap memory usage
+[[inputs.swap]]
+  # no configuration
\ No newline at end of file
diff --git a/tools/telegraf.d/system.conf b/tools/telegraf.d/system.conf
new file mode 100644
index 0000000..0527ccb
--- /dev/null
+++ b/tools/telegraf.d/system.conf
@@ -0,0 +1,3 @@
+# Read metrics about system load & uptime
+[[inputs.system]]
+  # no configuration
\ No newline at end of file
diff --git a/tools/telegraf.d/systemd_units.conf b/tools/telegraf.d/systemd_units.conf
new file mode 100644
index 0000000..b3ae57b
--- /dev/null
+++ b/tools/telegraf.d/systemd_units.conf
@@ -0,0 +1,16 @@
+# Gather systemd units state
+[[inputs.systemd_units]]
+  ## Set timeout for systemctl execution
+  # timeout = "1s"
+  #
+  ## Filter for a specific unit type, default is "service", other possible
+  ## values are "socket", "target", "device", "mount", "automount", "swap",
+  ## "timer", "path", "slice" and "scope ":
+  # unittype = "service"
+  #
+  ## Filter for a specific pattern, default is "" (i.e. all), other possible
+  ## values are valid pattern for systemctl, e.g. "a*" for all units with
+  ## names starting with "a"
+  # pattern = ""
+  ## pattern = "telegraf* influxdb*"
+  ## pattern = "a*"
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