Added optional IPMI support for CPU temperatures

get_hdd_temp.sh

@@ -1,8 +1,32 @@
 #!/bin/sh
 
+# Display current temperature of CPU(s) and all SMART-enabled drives
+
+# Optionally uses IPMI to report temperatures of the system CPU(s)
+#
+# If IPMI is disabled (see 'use_ipmi' below) then the script uses
+# sysctl to report the CPU temperatures. To use IPMI, you must
+# provide the IPMI host, user name, and user password file.
+
+# Full path to 'smartctl' program:
 smartctl=/usr/local/sbin/smartctl
 
-# Display current temperature of all SMART-enabled drives
+# IPMI support: set to a postive value to use IPMI for CPU temp
+# reporting, set to zero to disable IPMI and use 'sysctl' instead:
+use_ipmi=0
+
+# IP address or DNS-resolvable hostname of IPMI server:
+ipmihost=192.168.1.x
+
+# IPMI username:
+ipmiuser=root
+
+# IPMI password file. This is a file containing the IPMI user's password
+# on a single line and should have 0600 permissions:
+ipmipwfile=/root/.ssh/password
+
+# Full path to 'ipmitool' program:
+ipmitool=/usr/local/bin/ipmitool
 
 # We need a list of the SMART-enabled drives on the system. Choose one of these
 # three methods to provide the list. Comment out the two unused sections of code.
@@ -16,45 +40,68 @@ smartctl=/usr/local/sbin/smartctl
 #then printf ${drive}" "; fi done | awk '{for (i=NF; i!=0 ; i--) print $i }')
 
 # 3. A smartctl-based function:
+
 get_smart_drives()
 {
-  gs_drives=$("${smartctl}" --scan | grep "dev" | awk '{print $1}' | sed -e 's/\/dev\///' | tr '\n' ' ')
-
   gs_smartdrives=""
+  gs_drives=$("$smartctl" --scan | awk '{print $1}')
 
   for gs_drive in $gs_drives; do
-    gs_smart_flag=$("${smartctl}" -i /dev/"$gs_drive" | grep "SMART support is: Enabled" | awk '{print $4}')
+    gs_smart_flag=$("$smartctl" -i "$gs_drive" | grep "SMART support is: Enabled" | awk '{print $4}')
     if [ "$gs_smart_flag" = "Enabled" ]; then
-      gs_smartdrives=$gs_smartdrives" "${gs_drive}
+      gs_smartdrives="$gs_smartdrives $gs_drive"
     fi
   done
-
-  eval "$1=\$gs_smartdrives"
+  echo "$gs_smartdrives"
 }
 
-drives=""
-get_smart_drives drives
+drives=$(get_smart_drives)
 
 # end of method 3.
 
 #############################
 # CPU temperatures:
 #############################
-
-cores=$(sysctl -a | grep "hw.ncpu" | awk '{print $2}')
-printf "=== CPU (%s) ===\n" "${cores}"
-cores=$((cores - 1))
-for core in $(seq 0 $cores); do
-#  temp="$(sysctl -a | grep "cpu.${core}.temp" | cut -c24-25 | tr -d "\n")"
-  temp=$(sysctl -a | grep "cpu.${core}.temperature" | awk '{print $2}')
-  if [ "$temp" -eq '-1' ]; then
-    temp="--n/a--"
+ 
+if [ "$use_ipmi" -eq 0 ]; then
+  cpucores=$(sysctl -n hw.ncpu)
+  printf '=== CPU (%s) ===\n' "$cpucores"
+  cpucores=$((cpucores - 1))
+  for core in $(seq 0 $cpucores); do
+    temp=$(sysctl -n dev.cpu."$core".temperature)
+    if [ "$temp" -lt 0 ]; then
+      temp="--n/a--"
+    else
+      temp="${temp}C"
+    fi
+    printf 'CPU %2.2s: %5s\n' "$core" "$temp"
+  done
+  echo ""
+else
+  cpucores=$("$ipmitool" -I lanplus -H "$ipmihost" -U "$ipmiuser" -f "$ipmipwfile" sdr elist all | grep -c -i "cpu.*temp")
+  
+  printf '=== CPU (%s) ===\n' "$cpucores"
+  if [ "$cpucores" -eq 1 ]; then
+    temp=$("$ipmitool" -I lanplus -H "$ipmihost" -U "$ipmiuser" -f "$ipmipwfile" sdr elist all | grep "CPU Temp" | awk '{print $10}')
+    if [ "$temp" -lt 0 ]; then
+       temp="-n/a-"
+    else
+       temp="${temp}C"
+    fi
+    printf 'CPU %2s: %5s\n' "$core" "$temp"
   else
-    temp="${temp}C"
+    for core in $(seq 1 "$cpucores"); do
+      temp=$("$ipmitool" -I lanplus -H "$ipmihost" -U "$ipmiuser" -f "$ipmipwfile" sdr elist all | grep "CPU${core} Temp" | awk '{print $10}')
+      if [ "$temp" -lt 0 ]; then
+         temp="-n/a-"
+       else
+         temp="${temp}C"
+      fi
+      printf 'CPU %2s: [%s]\n' "$core" "$temp"
+    done
   fi
-  printf "CPU %2.2s: %5s\n" "$core" "$temp"
-done
-echo ""
+  echo ""
+fi
 
 #############################
 # Drive temperatures:
@@ -63,21 +110,21 @@ echo ""
 echo "=== DRIVES ==="
 
 for drive in $drives; do
-  serial=$("${smartctl}" -i /dev/${drive} | grep "Serial Number" | awk '{print $3}')
-  capacity=$("${smartctl}" -i /dev/${drive} | grep "User Capacity" | awk '{print $5 $6}')
-  temp=$("${smartctl}" -A /dev/${drive} | grep "194 Temperature" | awk '{print $10}')
+  serial=$("$smartctl" -i "$drive" | grep "Serial Number" | awk '{print $3}')
+  capacity=$("$smartctl" -i "$drive" | grep "User Capacity" | awk '{print $5 $6}')
+  temp=$("$smartctl" -A "$drive" | grep "194 Temperature" | awk '{print $10}')
   if [ -z "$temp" ]; then
-    temp=$("${smartctl}" -A /dev/"${drive}" | grep "190 Airflow_Temperature" | awk '{print $10}')
+    temp=$("$smartctl" -A "$drive" | grep "190 Airflow_Temperature" | awk '{print $10}')
   fi
   if [ -z "$temp" ]; then
     temp="-n/a-"
   else
     temp="${temp}C"
   fi
-  brand=$("${smartctl}" -i /dev/${drive} | grep "Model Family" | awk '{print $3, $4, $5, $6, $7}')
+  brand=$("$smartctl" -i "$drive" | grep "Model Family" | awk '{print $3, $4, $5, $6, $7}')
   if [ -z "$brand" ]; then
-    brand=$("${smartctl}" -i /dev/${drive} | grep "Device Model" | awk '{print $3, $4, $5, $6, $7}')
+    brand=$("$smartctl" -i "$drive" | grep "Device Model" | awk '{print $3, $4, $5, $6, $7}')
   fi
-  printf "%6.6s: %5s %-8s %-20.20s %s\n" "$drive" "$temp" "$capacity" "$serial" "$brand" 
+  printf '%6.6s: %5s %-8s %-20.20s %s\n' "$(basename "$drive")" "$temp" "$capacity" "$serial" "$brand" 
 done