New script to check maco's upgrade
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#!/bin/sh
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# This script will check if Maco require an upgrade and
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# will prepare the host in order to apply upgrade :
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# 1. Disable SGE queue
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# This script can be call by a cronjob (eg. weekly)
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# Another script should try to apply upgrades also with cron (eg. hourly)
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# Vars {{{
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readonly PROGNAME=$(basename "${0}")
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readonly PROGDIR=$(readlink -m $(dirname "${0}"))
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readonly ARGS="${*}"
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readonly NBARGS="${#}"
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[ -z "${DEBUG}" ] && readonly DEBUG=0
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## Export DEBUG for sub-script
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export DEBUG
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## Colors
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readonly PURPLE='\033[1;35m'
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readonly RED='\033[0;31m'
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readonly RESET='\033[0m'
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readonly COLOR_DEBUG="${PURPLE}"
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## Maco
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readonly MACO_LOCAL_DIR="/opt/maco"
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readonly MACO_INSTALL_DIR="/mnt/store.ipr/InstallProgs/ipr/maco"
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# }}}
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manage_args() { # {{{
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case "${NBARGS}" in
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0 ) ## Nothing to do
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;;
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* )
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printf '%b\n' "${RED}Don't expect any arguments.${RESET}"
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printf '%b\n' "---"
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usage
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exit 1
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;;
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esac
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}
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# }}}
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usage() { # {{{
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cat <<- EOF
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usage: $PROGNAME
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Compare current version of Maco script with the latest and
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the urgent versions then try to prepare the host by :
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* Disabling SGE queue
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EXAMPLES :
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- Verify Maco's upgrade and prepare the current host
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${PROGNAME}
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EOF
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}
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# }}}
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debug_message() { # {{{
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local_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} : ${local_message}"
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}
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# }}}
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is_maco_urgent_upgrade_require() { # {{{
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return_urgent_upgrade=""
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if [ "${URGENT_TIMESTAMP}" -gt "${CURRENT_TIMESTAMP}" ]; then
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debug_message "is_maco_urgent_upgrade_require − \
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Urgent Maco upgrade is available (from version ${CURRENT_MACO_VERSION} to ${URGENT_MACO_VERSION})."
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return_urgent_upgrade="0"
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else
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debug_message "is_maco_urgent_upgrade_require − \
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Local Maco (${CURRENT_MACO_VERSION}) is newer than urgent upgrade (${URGENT_MACO_VERSION})."
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return_urgent_upgrade="1"
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fi
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return "${return_urgent_upgrade}"
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}
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# }}}
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is_maco_upgrade_require() { # {{{
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return_upgrade=""
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if [ "${LATEST_TIMESTAMP}" -gt "${CURRENT_TIMESTAMP}" ]; then
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debug_message "is_maco_upgrade_require − \
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Latest Maco upgrade is available (from version ${CURRENT_MACO_VERSION} to ${LATEST_MACO_VERSION})."
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return_upgrade="0"
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else
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debug_message "is_maco_upgrade_require − \
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Local Maco (${CURRENT_MACO_VERSION}) seems up to date (latest : ${LATEST_MACO_VERSION})."
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return_upgrade="1"
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fi
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return "${return_upgrade}"
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}
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# }}}
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is_maco_uptodate() { # {{{
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return_uptodate=""
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if [ "${CURRENT_TIMESTAMP}" = "${LATEST_TIMESTAMP}" ]; then
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debug_message "is_maco_uptodate − \
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Local Maco (${CURRENT_MACO_VERSION}) is up to date (latest : ${LATEST_MACO_VERSION})."
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return_uptodate="0"
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else
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debug_message "is_maco_uptodate − \
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Local Maco version (${CURRENT_MACO_VERSION}) is different from latest version (${LATEST_MACO_VERSION})."
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return_uptodate="1"
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fi
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return "${return_uptodate}"
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}
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# }}}
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main() { # {{{
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manage_args "${ARGS}"
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## Get all Maco's versions (date)
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readonly CURRENT_MACO_VERSION=$(< "${MACO_LOCAL_DIR}/maco-version.txt" awk -v FS=. '{ print $1 "-" $2 "-" $3 "T" $4 ":" $5 ":" $6 }' \
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|| exit 1)
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readonly LATEST_MACO_VERSION=$(< "${MACO_INSTALL_DIR}/maco-version.txt" awk -v FS=. '{ print $1 "-" $2 "-" $3 "T" $4 ":" $5 ":" $6 }' \
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|| exit 2)
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readonly URGENT_MACO_VERSION=$(< "${MACO_INSTALL_DIR}/urgent-maco-version.txt" awk -v FS=. '{ print $1 "-" $2 "-" $3 "T" $4 ":" $5 ":" $6 }' \
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|| exit 3)
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## Convert version to timestamp
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readonly CURRENT_TIMESTAMP=$(date -d "${CURRENT_MACO_VERSION}" "+%s")
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readonly LATEST_TIMESTAMP=$(date -d "${LATEST_MACO_VERSION}" "+%s")
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readonly URGENT_TIMESTAMP=$(date -d "${URGENT_MACO_VERSION}" "+%s")
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is_maco_urgent_upgrade_require \
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&& exit 0
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is_maco_upgrade_require \
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&& exit 0
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is_maco_uptodate \
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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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