327 lines
7.8 KiB
Bash
327 lines
7.8 KiB
Bash
#!/bin/sh
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#############################################################################
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#
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# exchange-bmc-os-info: Set OS and BMC (Baseboard Management Controller)
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# parameters during system startup.
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#
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# version: 0.72
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#
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# Authors: Charles Rose <charles_rose@dell.com>
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# Jordan Hargrave <jordan_hargrave@dell.com>
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#
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# Description: Script to set OS information in the BMC; fetch BMC IP/URL
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# and set in the OS for use by other scripts/user.
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#
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# BMC IP and URL are made available in /var/run/bmc-info
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#
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# Example to launch BMC web-interface:
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# # . /var/run/bmc-info
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# # xdg-open $BMC_URL
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#
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# See here for details:
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# https://fedoraproject.org/wiki/Features/AgentFreeManagement
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#
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# OEM Specific: OEM specific ipmi commands go in:
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# 'oem_set_os_version' and 'oem_get_bmc_url'
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#############################################################################
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#
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# chkconfig: 345 99 00
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# description: Set OS name, hostname in BMC; make BMC IP/URL available in OS
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# processname: exchange-bmc-os-info
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# config: /etc/sysconfig/exchange-bmc-os-info
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#
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### BEGIN INIT INFO
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# Provides: exchange-bmc-os-info
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# Required-Start: ipmi
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# Default-Start: 3 4 5
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# Default-Stop: 0 1 2 6
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#############################################################################
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# GLOBALS
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#############################################################################
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CONFIGFILE=/etc/sysconfig/exchange-bmc-os-info
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IPMI_TOOL=/usr/bin/ipmitool
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BMC_INFO=/var/run/bmc-info
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# BMC Manufacturer ID used in 'oem_set_os_version' and 'oem_get_bmc_url'
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DELL="674"
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#OTHER_OEM="123"
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# Defaults for ${CONFIGFILE}
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SET_OS_INFO="yes"
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RESET_OS_INFO="no"
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SET_BMC_INFO="yes"
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# getsysinfo and setsysinfo commands
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IPMI_SET_SYSINFO="${IPMI_TOOL} mc setsysinfo"
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IPMI_GET_SYSINFO="${IPMI_TOOL} mc getsysinfo"
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#############################################################################
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SCRIPT_NAME=$(basename $0)
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# source config
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[ -r ${CONFIGFILE} ] && . ${CONFIGFILE}
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RETVAL=0
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if [ -f /bin/gettext.sh ]; then
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GETTEXT=1
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. /bin/gettext.sh
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OUTPUT="eval_gettext"
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else
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GETTEXT=0
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OUTPUT="echo"
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fi
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#############################################################################
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# Get Vendor ID of BMC for use in 'oem_set_os_version' and 'oem_get_bmc_url'
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#
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get_bmc_vendor_id()
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{
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BMC_VENDOR=$(${IPMI_TOOL} mc info 2>/dev/null | \
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sed -n "s#^Manufacturer ID.*: ##p")
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[ -z "${BMC_VENDOR}" ] && RETVAL=4
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}
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# set/getsysinfo support was added to ipmitool post v1.8.12 via this patch
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# http://sourceforge.net/mailarchive/message.php?msg_id=29647222
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check_ipmitool()
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{
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if [ -x ${IPMI_TOOL} ]; then
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[ ! ${IPMI_GET_SYSINFO} >/dev/null 2>&1 ] && \
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RETVAL=3
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else
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RETVAL=2
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fi
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}
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bmc_exists()
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{
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check_ipmitool
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[ $RETVAL -eq 0 ] && get_bmc_vendor_id
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return $RETVAL
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}
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#############################################################################
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get_os_info()
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{
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OS_HOSTNAME=$(hostname)
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KERNEL_VERSION=$(uname -r -m)
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if [ -e /etc/lsb-release ] ; then
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. /etc/lsb-release
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NAME=${DISTRIB_ID}
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VERSION="${DISTRIB_RELEASE} ${DISTRIB_CODENAME}"
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fi
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# we prefer systemd's /etc/os-release over other sources
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[ -e /etc/os-release ] && . /etc/os-release
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OS_NAME=${NAME}
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OS_VERSION="${VERSION} kernel ${KERNEL_VERSION}"
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}
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oem_set_os_version()
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{
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# OS Version setting is not standard yet
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# we need per vendor oem commands
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case "${BMC_VENDOR}" in
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$DELL) ${IPMI_SET_SYSINFO} delloem_os_version \
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"${OS_VERSION}" > /dev/null 2>&1
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return $?
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;;
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# Add OEM specific commands.
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# Example:
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# $OTHER_OEM) ${IPMI_SET_SYSINFO} otheroem_os_version \
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# "${OS_VERSION}" > /dev/null 2>&1
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# return $?
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# ;;
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*) return 0
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;;
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esac
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}
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set_os_info()
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{
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# Set and reset OS info in the BMC
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if [ "$1" = "reset" ]; then
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OS_NAME=""
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OS_HOSTNAME=""
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OS_VERSION=""
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fi
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${IPMI_SET_SYSINFO} os_name "${OS_NAME}" >/dev/null 2>&1 \
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|| RETVAL=6
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${IPMI_SET_SYSINFO} primary_os_name "${OS_NAME}" >/dev/null 2>&1 \
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|| RETVAL=6
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${IPMI_SET_SYSINFO} system_name "${OS_HOSTNAME}" >/dev/null 2>&1 \
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|| RETVAL=6
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oem_set_os_version || RETVAL=6
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}
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#############################################################################
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valid_url()
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{
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url="(https?|http)://[a-z0-9-]+(\.[a-z0-9-]+)+([/?].*)?"
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printf -- "%s" "${TMP_URL}"| grep -Eq "^${url}"
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return $?
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}
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oem_get_bmc_url()
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{
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# BMC URL is not standard yet
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# we need per vendor oem commands
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case "$BMC_VENDOR" in
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$DELL) TMP_URL=$(${IPMI_GET_SYSINFO} delloem_url 2> /dev/null)
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;;
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# Add OEM specific commands
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# Example:
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# $OTHER_OEM)
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# TMP_URL=$(${IPMI_GET_SYSINFO} otheroem_url 2> /dev/null)
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# ;;
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*) TMP_URL="" ;;
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esac
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valid_url && BMC_URL=${TMP_URL} || BMC_URL=""
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}
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valid_ip()
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{
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#Thanks to mkyong.com
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octet="([01]?[[:digit:]][[:digit:]]?|2[0-4][[:digit:]]|25[0-5])"
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printf -- "%s" "${TMP_IPv4}"| grep -Eq "^${octet}\\.${octet}\\.${octet}\\.${octet}$"
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return $?
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}
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get_bmc_ip()
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{
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#Thanks to http://ingvar.blog.redpill-linpro.com
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for CHANNEL in `seq 1 14`
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do
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[ $(${IPMI_TOOL} lan print ${CHANNEL} 2>/dev/null \
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| grep -q "^Set") ] || break
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done
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# Get BMC_IPv4 and BMC_URL from BMC
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TMP_IPv4=$(${IPMI_TOOL} lan print ${CHANNEL} 2>/dev/null \
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| sed -n "s#^IP Address .*: ##p")
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valid_ip && BMC_IPv4=${TMP_IPv4} || BMC_IPv4=""
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}
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get_bmc_info()
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{
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get_bmc_ip
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if [ -z "${BMC_IPv4}" ] || [ "${BMC_IPv4}" = "0.0.0.0" ]; then
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BMC_IPv4=""
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RETVAL=5
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else
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# URL makes sense only if there is an IP
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oem_get_bmc_url
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fi
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}
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set_bmc_info()
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{
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if [ ! $(touch "${BMC_INFO}" && chmod 600 "${BMC_INFO}") ]; then
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printf "BMC_IPv4=%s\n" "${BMC_IPv4}" > "${BMC_INFO}"
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[ -n "${BMC_URL}" ] && \
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printf "BMC_URL=%s\n" "${BMC_URL}" >> "${BMC_INFO}"
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else
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RETVAL=5
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fi
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}
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unset_bmc_info()
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{
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[ -f ${BMC_INFO} ] && rm -f ${BMC_INFO} > /dev/null 2>&1
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}
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#############################################################################
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start()
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{
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if bmc_exists; then
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[ "${SET_OS_INFO}" = "yes" ] && \
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get_os_info && set_os_info
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if [ "${SET_BMC_INFO}" = "yes" ]; then
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get_bmc_info
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if [ ${RETVAL} -eq 0 ]; then
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set_bmc_info
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fi
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fi
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fi
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}
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#############################################################################
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stop()
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{
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if bmc_exists; then
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# reset OS info while system reboots
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# aids with debugging OS boot-up issues
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if [ "${RESET_OS_INFO}" = "yes" ]; then
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set_os_info reset
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fi
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unset_bmc_info
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fi
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}
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#############################################################################
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restart()
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{
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stop
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[ $RETVAL -eq 0 ] && start
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}
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#############################################################################
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status()
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{
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[ -r ${BMC_INFO} ] && \
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grep -q "BMC_IPv4" "${BMC_INFO}" >/dev/null 1>&2 && \
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BMC_STATUS="ok" || BMC_STATUS="inactive"
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${OUTPUT} "${SCRIPT_NAME}: ${BMC_STATUS}" 1>&2
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[ ${GETTEXT} -eq 1 ] && echo
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}
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#############################################################################
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usage()
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{
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${OUTPUT} "Usage: ${SCRIPT_NAME} {start|stop|restart|status}" 1>&2
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[ ${GETTEXT} -eq 1 ] && echo
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RETVAL=1
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}
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#############################################################################
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# MAIN
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#############################################################################
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case "$1" in
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start) start ;;
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stop) stop ;;
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restart) restart ;;
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status) status ;;
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*) usage ;;
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esac
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case "$RETVAL" in
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0|1) ;;
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2) ${OUTPUT} "${SCRIPT_NAME}: ipmitool(1) not found." 1>&2 ;;
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3) ${OUTPUT} "${SCRIPT_NAME}: this version of ipmitool does not support getsysinfo." 1>&2 ;;
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4) ${OUTPUT} "${SCRIPT_NAME}: failed to communicate with BMC." 1>&2 ;;
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5) ${OUTPUT} "${SCRIPT_NAME}: failed to set OS information in BMC." 1>&2 ;;
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6) ${OUTPUT} "${SCRIPT_NAME}: failed to get BMC information." 1>&2 ;;
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*) ${OUTPUT} "${SCRIPT_NAME}: unexpected error." 1>&2 ;;
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esac
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if [ ${RETVAL} -gt 1 ]; then
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${OUTPUT} " Return code: ${RETVAL}" 1>&2
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[ ${GETTEXT} -eq 1 ] && echo
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fi
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exit ${RETVAL}
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#############################################################################
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# end of file
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#############################################################################
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