From 69d357a03bb3908a974e021a3f8f40bd4325a097 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michael=20H=C3=B6=C3=9F?= <hoess@gmx.net>
Date: Tue, 29 Sep 2020 12:45:47 +0000
Subject: [PATCH] SMART-Discovery+Monitoring: Add bash version

---
 zbx-smart.bash | 146 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 146 insertions(+)
 create mode 100644 zbx-smart.bash

diff --git a/zbx-smart.bash b/zbx-smart.bash
new file mode 100644
index 0000000..a5a0750
--- /dev/null
+++ b/zbx-smart.bash
@@ -0,0 +1,146 @@
+#!/bin/bash
+
+# By MH 2020, MIT-License
+
+
+_smart_is_usb() 
+{
+  rem=$(lsblk -d "$1" -o SUBSYSTEMS | grep "usb" | wc -l)
+  if [[ "${rem}" == "0" ]]; then
+    echo 0
+  else
+    echo 1
+  fi 
+}
+
+_smart_getval() 
+{
+	echo -e "$1" | grep -i "^${2} = " | cut -d "=" -f 2 | cut -d '"' -f 2
+}
+
+_smart_getval_i() 
+{
+	res=$(echo -e "$1" | grep -i "^${2} = " | cut -d "=" -f 2 | cut -d ' ' -f 2 | tr -d ";")
+	if [[ "$res" == "" ]]; then
+		res=0
+	fi
+	echo "${res}"
+}
+
+
+smart_disco() {
+    c=0
+    devs=""
+    while read ln; do
+      dev=$(echo ${ln} | cut -d " " -f 1 | sed -e "s/\/dev\///g")
+      typ=$(echo ${ln} | cut -d " " -f 3)
+ 
+
+     # Removable
+      # rem=$(lsblk -d /dev/${dev} -o SUBSYSTEMS | grep "usb" | wc -l)
+	  rem=$(_smart_is_usb "/dev/${dev}")	
+
+      if [[ "${rem}" == "0" ]]; then
+          smart="$(smartctl -n standby -a /dev/${dev} --json=g)"     
+          model="$(_smart_getval "${smart}" "json.model_name")"
+          sn="$(_smart_getval "${smart}" "json.serial_number")"
+          rot="$(_smart_getval_i "${smart}" "json.rotation_rate")"
+          lbs="$(_smart_getval_i "${smart}" "json.logical_block_size")"
+
+          #SSD: TODO
+          isSSD=0
+      fi
+
+          if (( c == 1 )); then
+            devs="${devs},\n"
+          fi
+          c=1
+
+      devs="${devs}   {\n"
+     
+      if [[ "${rem}" == "0" ]]; then
+        devs="${devs}      \"name\": \"${dev}\",\n"
+        devs="${devs}      \"type\": \"${typ}\",\n"
+        devs="${devs}      \"model\": \"${model}\",\n"
+        devs="${devs}      \"sn\": \"${sn}\",\n"
+        devs="${devs}      \"rotations\": ${rot},\n"
+        devs="${devs}      \"lbs\": ${lbs},\n"
+        devs="${devs}      \"isExternal\": ${rem},\n"
+        devs="${devs}      \"isSSD\": ${isSSD}\n"
+      else
+        devs="${devs}      \"name\": \"${dev}\",\n"
+        devs="${devs}      \"isExternal\": ${rem}\n"
+      fi
+      devs="${devs}   }"
+
+    done < <(smartctl -n standby --scan)
+    
+
+
+    json2="\n{"
+    json2="${json2}  \"devices\": [\n"
+    json2="${json2}   ${devs}\n"
+    json2="${json2}  ]\n"
+    json2="${json2}}"
+    echo -e "$json2"
+
+    # Remove newline for use as parameter		    
+    sentval="$(echo -e $json2)"
+
+    #json=$(smartctl --json --scan)
+    #json=$(echo "${json}" | sed -e "s/\/dev\///g")
+    #echo $json
+
+    zabbix_sender -vv -k "8o_smartcheck.disco_devs" -o "${sentval}"  -c /etc/zabbix/zabbix_agentd.conf 2>&1 | logger -t "zabbix-smart_disco"
+}
+
+
+smart_check() {
+    (for dev in $(smartctl --scan | sed -e "s/\/dev\///g" | cut -d " " -f 1 ); do
+ 
+        rem=$(_smart_is_usb "/dev/${dev}")	
+        if [[ "${rem}" == "1" ]] && [[ "${SMART_WITH_EXTERNAL}" == "0" ]]; then
+            #echo "X" 1>&2
+            continue;
+        fi
+
+        smartctl -s on /dev/${dev} > /dev/null
+        status="$(smartctl -n standby -q errorsonly -H /dev/${dev})"         
+        if [[ "${status}" == "" ]]; then
+            status="OK"
+        fi
+        
+        smart="$(smartctl -n standby -a /dev/${dev} --json=g)"
+        
+        poh="$(_smart_getval_i "${smart}" "json.power_on_time.hours")"
+        poc="$(_smart_getval_i "${smart}" "json.power_cycle_count")"
+        temp="$(_smart_getval_i "${smart}" "json.temperature.current")"
+                
+        
+        
+        #zabbix_sender -vv -k "8o_smartcheck.[${dev}.health]" -o "${status}"  -c /etc/zabbix/zabbix_agentd.conf \
+        #    2>&1 | logger -t "zabbix-smart_health"
+        
+        echo "- 8o_smartcheck.[${dev}.health] ${status}"
+        echo "- 8o_smartcheck.[${dev}.power_on_hours] ${poh}"
+        echo "- 8o_smartcheck.[${dev}.power_cycle_count] ${poc}"
+        echo "- 8o_smartcheck.[${dev}.temperature] ${temp}"
+        
+        #echo "8o_smartcheck.[${dev}.health]"                     
+        #echo ${dev}       
+    done) | zabbix_sender -vv -i -  -c /etc/zabbix/zabbix_agentd.conf 2>&1 | logger -t "zabbix-smart_health"
+
+}
+
+
+SMART_WITH_EXTERNAL=0
+
+if [ "$1" == "--smart-with-external" ]; then
+    SMART_WITH_EXTERNAL=1
+fi
+
+if [ "$1" == "--disco" ]; then
+    smart_disco
+else
+    smart_check
+fi