#!/bin/bash
# DMI - OS information collector check_mk script
#

HOSTNAME=$(hostname)
BOARD=$(dmidecode 2>/dev/null | grep "Product Name" | tail -n1 | awk '{print $3}')
OS_VERSION=$(cat /etc/redhat-release)

# check if server is core or managed using minion file
if [ ! -f /etc/salt/minion ] || grep -q "10.10.10.14" /etc/salt/minion; then
  SERVER_TYPE="Core"
else
  SERVER_TYPE="Managed"
fi

#Don't do anything on Xen or KVM
if [ -e /sys/hypervisor/uuid ]; then
  UUID=$(cat /sys/hypervisor/uuid)
  if [ "${UUID}" != "00000000-0000-0000-0000-000000000000" ]; then
    #Xen DomU do nothing
    echo "A2Inventory - Host:${HOSTNAME} OS:${OS_VERSION} Platform:DomU ${BOARD} Type:${SERVER_TYPE}"
    exit 0
  fi
elif [ -e /sys/kernel/debug/kvm-guest ] || [[ $(grep KVM /var/log/dmesg 2>/dev/null) == *"KVM"* ]]; then
  #KVM box do nothing
  echo "A2Inventory - Host:${HOSTNAME} OS:${OS_VERSION} Platform:KVM ${BOARD} Type:${SERVER_TYPE}"
  exit 0
fi

#Load IPMI module which probably isn't loaded
if ! grep -q ipmi_si /proc/kallsyms 2>/dev/null; then
  modprobe -q ipmi_si >/dev/null 2>&1
  if [[ $? -ne 0 ]]; then
    modprobe -q ipmi_devintf >/dev/null 2>&1
    if [[ $? -ne 0 ]]; then
      #Can't load any of the IPMI stuff, do nothing
      echo "A2Inventory - Host:${HOSTNAME} OS:${OS_VERSION} Non-IPMI ${BOARD} Type:${SERVER_TYPE}"
      exit 0
    fi
  else
    #This modules takes a bit to initialize, do nothing until next round
    echo "A2Inventory - Host:${HOSTNAME} OS:${OS_VERSION} IPMIInit ${BOARD} Type:${SERVER_TYPE}"
    exit 0
  fi
elif ! grep -q ipmi_devintf /proc/kallsyms 2>/dev/null; then
  modprobe -q ipmi_devintf >/dev/null 2>&1
  if [[ $? -ne 0 ]]; then
    #Can't load any of the IPMI stuff, do nothing
    echo "A2Inventory - Host:${HOSTNAME} OS:${OS_VERSION} Non-IPMI ${BOARD} Type:${SERVER_TYPE}"
    exit 0
  fi
fi

if [[ -e /opt/bin/ipmicfg ]]; then
        IPMI=$(/opt/bin/ipmicfg -m)
        if [[ "${IPMI}" == *"kcs"* ]]; then
          echo "A2Inventory - ${HOSTNAME} Non-IPMI ${BOARD} Type:${SERVER_TYPE}"
          exit 0
        else
          IPMIIP=$(echo "${IPMI}" | grep IP | cut -d= -f2)
          FRU=$(/opt/bin/ipmicfg -fru PAT)
          if [ "${FRU}" != "A2:${HOSTNAME}:${BOARD}" ]; then
            /opt/bin/ipmicfg -fru PAT "A2:${HOSTNAME}:${BOARD}" >/dev/null
          fi
        fi
fi
echo "A2Inventory - Host:${HOSTNAME} OS:${OS_VERSION} ${IPMIIP} ${BOARD} Type:${SERVER_TYPE}"
exit 0