New script to enable host's SGE queue(s)
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#!/bin/sh
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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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## Test if DEBUG is already defined (by parent script,…)
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[ -z "${DEBUG}" ] && readonly DEBUG=0
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## Colors
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readonly PURPLE='\033[1;35m'
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readonly RED='\033[0;31m'
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readonly RESET='\033[0m'
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readonly COLOR_DEBUG="${PURPLE}"
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# }}}
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manage_args() { # {{{
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case "${NBARGS}" in
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0 )
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sge_hostname="$(hostname -f)"
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;;
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1 )
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sge_hostname="${1}"
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;;
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* )
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printf '%b\n' "${RED}Expect 1 or 0 argument.${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: $PROGNAME [hostname]
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Try to enable all SGE queues of the current host (default)
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or the one passed as first argument.
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EXAMPLES :
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- Enable SGE's queue(s) of the current host
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${PROGNAME}
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- Enable SGE's queue(s) of "marvin.domain.tld" host
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${PROGNAME} marvin.domain.tld
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EOF
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}
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# }}}
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debug_message() { # {{{
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local_debug_message="${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} : ${local_debug_message}"
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}
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# }}}
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is_queue_enable() { # {{{
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local_queue_enable_hostname="${1}"
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local_queue_enable_name="${2}"
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## List all queues with 'disable' state and filter to the expected queue name
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## with a fake_user to avoid pending jobs for this queue
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### And count returned lines
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local_queue_enable_test=$(qstat -f -qs d -q "${local_queue_enable_name:=/dev/null}@${local_queue_enable_hostname:=/dev/null}" -u fake_user \
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| wc -l)
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case "${local_queue_enable_test}" in
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0 ) ## No result so the queue is enable
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local_sge_queue_state="enable"
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return_queue_enable="0"
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;;
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3 ) ## Results (header + queue name) so the queue is disable
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local_sge_queue_state="disable"
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return_queue_enable="1"
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;;
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* ) ## Unexpected result
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printf '%b\n' "${RED}Not able to determine the state of ${local_sge_queue_name:=/dev/null}@${local_queue_enable_hostname:=/dev/null} queue (command return ${local_queue_enable_test} lines).${RESET}"
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exit 2
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;;
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esac
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## Simple debug message to valid current variables
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debug_message "is_queue_enable − \
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SGE queue: ${RED}${local_queue_enable_name:=/dev/null}${COLOR_DEBUG} \
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state is: ${RED}${local_sge_queue_state:=/dev/null}${COLOR_DEBUG}."
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return "${return_queue_enable}"
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}
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# }}}
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is_queue_disable() { # {{{
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local_queue_disable_hostname="${1}"
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local_queue_disable_name="${2}"
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## List all queues with 'disable' state and filter to the expected queue name
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## add a fake_user to avoid pending jobs for this queue
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### And count returned lines
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local_queue_disable_test=$(qstat -f -qs d -q "${local_queue_disable_name:=/dev/null}@${local_queue_disable_hostname:=/dev/null}" -u fake_user \
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| wc -l)
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case "${local_queue_disable_test}" in
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0 ) ## No result so the queue is enable
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local_sge_queue_state="enable"
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return_queue_disable="1"
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;;
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3 ) ## Results (header + queue name) so the queue is disable
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local_sge_queue_state="disable"
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return_queue_disable="0"
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;;
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* ) ## Unexpected result
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printf '%b\n' "${RED}Not able to determine the state of ${local_queue_disable_name:=/dev/null}@${local_queue_disable_hostname:=/dev/null} queue (command return ${local_queue_disable_test} lines).${RESET}"
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exit 3
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;;
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esac
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## Simple debug message to valid current variables
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debug_message "is_queue_disable − \
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SGE queue: ${RED}${local_queue_disable_name:=/dev/null}${COLOR_DEBUG} \
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state is: ${RED}${local_sge_queue_state:=/dev/null}${COLOR_DEBUG}."
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return "${return_queue_disable}"
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}
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# }}}
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is_all_queue_enable() { # {{{
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local_all_queue_enable_hostname="${1}"
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local_all_queue_enable_name="${2}"
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## By default, all queues are enable
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return_all_queue_enable="0"
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## Test all queues one by one
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for loop_enable_queue in ${local_all_queue_enable_name}; do
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### If a queue is not enable
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#### Change the return value
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is_queue_enable "${local_all_queue_enable_hostname}" "${loop_enable_queue}" \
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|| return_all_queue_enable="1"
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done
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return "${return_all_queue_enable}"
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}
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# }}}
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enable_sge_queue() { # {{{
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local_sge_hostname="${1}"
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local_sge_queue_name="${2}"
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## Simple debug message to valid current variables
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debug_message "enable_sge_queue − \
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Try to enable SGE queue: ${RED}${local_sge_queue_name:=/dev/null}@${local_sge_hostname:=/dev/null}${COLOR_DEBUG}."
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## SGE command to enable the queue
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qmod --enable "${local_sge_queue_name}@${local_sge_hostname}" \
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&& return_enable_queue="${?}"
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return "${return_enable_queue}"
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}
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# }}}
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main() { # {{{
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manage_args "${ARGS}"
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sge_queues_name="$(qhost -h "${sge_hostname:=/dev/null}" -q -xml \
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| grep "queue name" \
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| cut -d"'" -f2 )"
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sge_queues_name_print="$(qhost -h "${sge_hostname:=/dev/null}" -q -xml \
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| grep "queue name" \
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| cut -d"'" -f2 \
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| tr -s '\n' ' ' )"
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## Simple debug message with color to valid current variables
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debug_message "main − Try to manage \
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SGE queue(s): ${RED}${sge_queues_name_print:=/dev/null}${COLOR_DEBUG}\
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for host: ${RED}${sge_hostname:=/dev/null}${COLOR_DEBUG}."
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## If the queue(s) are already enable
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### Exit
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is_all_queue_enable "${sge_hostname}" "${sge_queues_name}" \
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&& exit 0
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## Test all queues one by one
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for loop_queue in ${sge_queues_name}; do
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## If the queue is disable
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### Try to enable it
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is_queue_disable "${sge_hostname}" "${loop_queue}" \
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&& enable_sge_queue "${sge_hostname}" "${loop_queue}"
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## If the queue is still disable
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### Exit with error
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is_queue_disable "${sge_hostname}" "${loop_queue}" \
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&& printf '%b\n' "${RED}ERROR ${loop_queue}@${sge_hostname} is still disable.${RESET}" \
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&& exit 4
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done
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}
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# }}}
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main
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exit 0
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