318 lines
11 KiB
Bash
Executable File
318 lines
11 KiB
Bash
Executable File
#!/bin/sh
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# This script will check:
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## every 10 hours if upgrade is available for local Maco script (green or yellow)
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## if normal upgrade is planned (green or yellow)
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## if urgent upgrade is planned (green or yellow)
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## status of the last update (green, yellow or red)
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# Vars {{{
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readonly PROGNAME=$(basename "${0}")
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[ -z "${DEBUG}" ] && DEBUG=1
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## Xymon
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readonly TEST="maco"
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readonly PLUGIN_RESULT="${XYMONTMP}/${MACHINEDOTS}.${TEST}.plugin_result"
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readonly PLUGIN_STATE="${XYMONTMP}/${MACHINEDOTS}.${TEST}.plugin_state"
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readonly XYMON_USERNAME="xymon"
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readonly XYMON_GROUPNAME="xymon"
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readonly MACO_VERSION_RESULT="${XYMONTMP}/${MACHINEDOTS}.${TEST}.maco_version"
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# By default, don't empty files newer than 10hours (600 minutes)
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readonly DEFAULT_MTIME_MINUTES="600"
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# Maco
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readonly MACO_LOCAL_DIR="/opt/maco"
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readonly MACO_PENDING_UPDATE_FILE="${MACO_LOCAL_DIR}/.maco.upgrade"
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readonly MACO_PENDING_URGENT_UPDATE_FILE="${MACO_LOCAL_DIR}/.maco.urgent.upgrade"
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readonly MACO_STATUS_FILE="/var/fr.univ-rennes1.ipr.maco.machinestate.txt"
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# define colours for graphics {{{
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# Comment these out if using older BB versions
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CLEAR_PIC="&clear"
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RED_PIC="&red"
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YELLOW_PIC="&yellow"
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GREEN_PIC="&green"
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UNKNOWN_PIC="&purple"
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# }}}
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# }}}
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# Print message with DEBUG prefix and color {{{
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debug_message() {
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local_debug_message="${1}"
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## Print message if DEBUG is enable (=0)
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[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6b\e[m\n' "DEBUG − ${PROGNAME} : ${local_debug_message}"
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}
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# }}}
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# Create or empty a file if it's too old {{{
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## First argument (required): Absolut path to the file
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## Second argument (optionnal): Maximum number of minutes since last modification
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regenerate_if_too_old() {
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## Set variables according to the number of passed arguments {{{
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case $# in
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0 )
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debug_message "regenerate_if_too_old − \
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Need at least 1 argument."
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exit 1
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;;
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1 )
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_file="${1}"
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debug_message "regenerate_if_too_old − \
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Use DEFAULT_MTIME_MINUTES value: ${DEFAULT_MTIME_MINUTES}."
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_max_mtime_minutes="${DEFAULT_MTIME_MINUTES}"
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;;
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2 )
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_file="${1}"
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_max_mtime_minutes="${2}"
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;;
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esac
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## }}}
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## If the file exists
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if [ -f "${_file}" ]; then
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_current_timestamp=$(date "+%s")
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_file_mtime_timestamp=$(stat --format="%Y" -- "${_file}")
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## Substract last modification timestamp of the file to current timestamp
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: $(( _file_mtime_seconds=_current_timestamp-_file_mtime_timestamp ))
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## Get maximum allowed mtime in seconds
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: $(( _max_mtime_seconds=_max_mtime_minutes*60 ))
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## Compare last modification mtime with the maximum allowed
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if [ "${_file_mtime_seconds}" -gt "${_max_mtime_seconds}" ]; then
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debug_message "regenerate_if_too_old − \
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Need to empty ${_file} last modification happened ${_file_mtime_seconds} seconds ago (maximum is ${_max_mtime_seconds})."
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true > "${_file}"
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chown -- "${XYMON_USERNAME}":"${XYMON_GROUPNAME}" "${_file}"
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else
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debug_message "regenerate_if_too_old − \
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Don't need to empty ${_file} last modification happened ${_file_mtime_seconds} seconds ago (maximum is ${_max_mtime_seconds})."
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fi
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else ## Else if the file don't exists, just create it
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debug_message "regenerate_if_too_old − \
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Need to create ${_file}."
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true > "${_file}"
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fi
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}
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# }}}
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# Test if a file is empty {{{
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is_file_empty() {
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_file_empty=$1
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if [ ! -s "${_file_empty}" ]; then
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debug_message "is_file_empty − \
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${_file_empty} file is empty."
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return 0
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else
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debug_message "is_file_empty − \
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${_file_empty} file is not empty."
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return 1
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fi
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}
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# }}}
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# Add HTML header {{{
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add_header()
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{
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echo ""
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#echo "<FONT SIZE=+2><b>$1</b></FONT> ($2)<BR>"
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echo "<FONT SIZE=+2><b>$1</b></FONT> <BR>"
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# If you do not want the header in a bigger font use line below instead
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#echo "<b>$1</b> ($2)"
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# If you want the "Paul Luzzi" look uncomment this section and comment
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# out the above sections:
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#echo "<P><DIV ALIGN=\"CENTER\"><HR>"
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#echo "<B>============== $1 ==============</B>"
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#echo "<B>--- ($2) ---</B>"
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#echo "<HR></DIV>"
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#echo "<BLOCKQUOTE>"
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}
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# }}}
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# Compare current Maco version to last available version {{{
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check_maco_version() {
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maco_update_script_path="/opt/repos/ipr.scripts/cluster/maco.check.update.sh"
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maco_update_script_options="--simulate"
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## Run update_script and store result in MACO_VERSION_RESULT file
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debug_message "check_maco_version − \
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Run \"${maco_update_script_path}\" script with \"${maco_update_script_options}\" options."
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sh "${maco_update_script_path}" "${maco_update_script_options}" >> "${MACO_VERSION_RESULT}"
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}
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# }}}
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# Analyze maco result to define colors to send to Xymon {{{
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analyze_maco_update() {
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debug_message "analyze_maco_update − \
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Try to detect Maco update with ${MACO_VERSION_RESULT} content."
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if grep -qE '^Local.* up to date.*' "${MACO_VERSION_RESULT}"
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then
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## Add color and message to PLUGIN_RESULT for detailed informations
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sed "s/^/\&${GREEN_PIC} /" "${MACO_VERSION_RESULT}" >> "${PLUGIN_RESULT}"
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## Add information to PLUGIN_STATE
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echo "36${GREEN_PIC} Maco is uptodate" >> "${PLUGIN_STATE}"
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elif grep -qE '^Latest.* available.*' "${MACO_VERSION_RESULT}"
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then
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sed "s/^/\&${YELLOW_PIC} /" "${MACO_VERSION_RESULT}" >> "${PLUGIN_RESULT}"
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echo "26${YELLOW_PIC} Maco needs upgrade" >> "${PLUGIN_STATE}"
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elif grep -qE '^Urgent.* available.*' "${MACO_VERSION_RESULT}"
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then
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sed "s/^/\&${YELLOW_PIC} /" "${MACO_VERSION_RESULT}" >> "${PLUGIN_RESULT}"
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echo "25${YELLOW_PIC} Maco needs urgent upgrade" >> "${PLUGIN_STATE}"
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else
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sed "s/^/\&${CLEAR_PIC} /" "${MACO_VERSION_RESULT}" >> "${PLUGIN_RESULT}"
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echo "46${CLEAR_PIC} Maco update state is unknown" >> "${PLUGIN_STATE}"
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fi
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}
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# }}}
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# Verify if a normal Maco update is planned {{{
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check_pending_update() {
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if [ -f "${MACO_PENDING_UPDATE_FILE}" ]; then
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debug_message "check_pending_update − \
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A normal Maco update is planned."
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## Add color and message to PLUGIN_RESULT for detailed informations
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echo "${YELLOW_PIC} A normal update is planned (${MACO_PENDING_UPDATE_FILE} file exists)." >> "${PLUGIN_RESULT}"
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## Add information to PLUGIN_STATE
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echo "24${YELLOW_PIC} A normal update is planned" >> "${PLUGIN_STATE}"
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else
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debug_message "check_pending_update − \
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No Maco normal update is planned."
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## Add color and message to PLUGIN_RESULT for detailed informations
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echo "${GREEN_PIC} No Maco normal update is planned (${MACO_PENDING_UPDATE_FILE} file doesn't exists)." >> "${PLUGIN_RESULT}"
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## No need to add information to PLUGIN_STATE
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fi
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}
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# }}}
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# Verify if a urgent Maco update is planned {{{
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check_pending_urgent_update() {
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if [ -f "${MACO_PENDING_URGENT_UPDATE_FILE}" ]; then
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debug_message "check_pending_urgent_update − \
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An urgent Maco update is planned."
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## Add color and message to PLUGIN_RESULT for detailed informations
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echo "${YELLOW_PIC} An urgent update is planned (${MACO_PENDING_URGENT_UPDATE_FILE} file exists)." >> "${PLUGIN_RESULT}"
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## Add information to PLUGIN_STATE
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echo "23${YELLOW_PIC} An urgent update is planned" >> "${PLUGIN_STATE}"
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else
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debug_message "check_pending_urgent_update − \
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No Maco urgent update is planned."
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## Add color and message to PLUGIN_RESULT for detailed informations
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echo "${GREEN_PIC} No Maco urgent update is planned (${MACO_PENDING_URGENT_UPDATE_FILE} file doesn't exists)." >> "${PLUGIN_RESULT}"
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## No need to add information to PLUGIN_STATE
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fi
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}
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# }}}
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# Verify the status of last Maco update {{{
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check_last_update_status() {
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## Check if Maco status file is present and readable
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if [ -r "${MACO_STATUS_FILE}" ]; then
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debug_message "check_last_update_status − \
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Maco status file (${MACO_STATUS_FILE}) exists."
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local_maco_status=$(grep --max-count=1 -- MacoStatus "${MACO_STATUS_FILE}" | cut --delimiter="=" --fields=2)
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if [ "${local_maco_status}" = "last-update-succeeded" ]; then
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## Add color and message to PLUGIN_RESULT for detailed informations
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echo "${GREEN_PIC} Last Maco update succeed (MacoStatus=${local_maco_status})." >> "${PLUGIN_RESULT}"
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## Add information to PLUGIN_STATE
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echo "32${GREEN_PIC} Maco is uptodate and last update succeed" >> "${PLUGIN_STATE}"
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elif [ "${local_maco_status}" = "update-process-running" ]; then
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echo "${YELLOW_PIC} Last Maco update is in progress (MacoStatus=${local_maco_status})." >> "${PLUGIN_RESULT}"
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echo "22${YELLOW_PIC} Maco update is running" >> "${PLUGIN_STATE}"
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elif [ "${local_maco_status}" = "waiting-for-additional-maco-run" ]; then
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echo "${YELLOW_PIC} Last Maco update wait for an extra run (MacoStatus=${local_maco_status})." >> "${PLUGIN_RESULT}"
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echo "22${YELLOW_PIC} Maco update needs an extra run" >> "${PLUGIN_STATE}"
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elif [ "${local_maco_status}" = "last-update-failed" ]; then
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echo "${RED_PIC} Last Maco update failed (MacoStatus=${local_maco_status})." >> "${PLUGIN_RESULT}"
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echo "12${RED_PIC} Maco update failed" >> "${PLUGIN_STATE}"
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else
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echo "${RED_PIC} Maco last update status is unknown or absent (MacoStatus=${local_maco_status})." >> "${PLUGIN_RESULT}"
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echo "13${RED_PIC} Maco last update status is unknown or absent" >> "${PLUGIN_STATE}"
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fi
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else
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debug_message "check_last_update_status − \
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Maco status file (${MACO_STATUS_FILE}) doesn't exists."
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echo "${RED_PIC} Maco last update status is unknown (${MACO_STATUS_FILE} doesn't exists or isn't available)." >> "${PLUGIN_RESULT}"
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echo "14${RED_PIC} Maco last update status is unknown" >> "${PLUGIN_STATE}"
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fi
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}
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# }}}
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# Send plugin results to Xymon server {{{
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send_result_to_xymon_server() {
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# Set the main color according to the highest alert
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COLOR=$(< "${PLUGIN_STATE}" awk '{print $1}' | sort | uniq | head -1 | cut -c4-)
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SUBJECT=$(< "${PLUGIN_STATE}" sort | uniq | head -1 | cut -d" " -f2-)
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# Send informations to Xymon server
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$XYMON "${XYMSRV}" "status ${MACHINE}.${TEST} ${COLOR} ${SUBJECT}
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$(cat ${PLUGIN_RESULT})"
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# For testing only
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#echo "$XYMON ${XYMSRV} status ${MACHINE}.${TEST} ${COLOR} ${SUBJECT}
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#$(cat ${PLUGIN_RESULT})" > /tmp/xymon.maco.tmp
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}
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# }}}
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main() { # {{{
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# Create or empty previous file only if too old
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regenerate_if_too_old "${MACO_VERSION_RESULT}"
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## If MACO_VERSION_RESULT file is empty
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if is_file_empty "${MACO_VERSION_RESULT}"; then
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## (re)check Maco update
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check_maco_version
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fi
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## Add HTML header for this part
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add_header "Compare version" >> "${PLUGIN_RESULT}"
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## Analyze Maco update result (add color,…)
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analyze_maco_update
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## Add HTML header for this part
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add_header "Pending update" >> "${PLUGIN_RESULT}"
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## Check for pending update for Maco
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check_pending_update
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## Check for urgent pending update for Maco
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check_pending_urgent_update
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## Add HTML header for this part
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add_header "Last update" >> "${PLUGIN_RESULT}"
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## Check status of last update
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check_last_update_status
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# Send data to Xymon server then
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## delete useless files
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## and exit
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send_result_to_xymon_server \
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&& rm -f -- "${PLUGIN_RESULT}" "${PLUGIN_STATE}" \
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&& exit 0
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}
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# }}}
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main
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exit 255
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